/*
 * Copyright @ 2017 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWAR OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Pengfei Qu <Pengfei.qu@intel.com>
 *    Sreerenj Balachandran <sreerenj.balachandran@intel.com>
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include <va/va.h>

#include "intel_batchbuffer.h"
#include "intel_driver.h"

#include "i965_defines.h"
#include "i965_structs.h"
#include "i965_drv_video.h"
#include "i965_encoder.h"
#include "i965_encoder_utils.h"
#include "intel_media.h"

#include "i965_gpe_utils.h"
#include "i965_encoder_common.h"
#include "i965_avc_encoder_common.h"
#include "i965_avc_encoder_kernels.h"
#include "i965_avc_encoder.h"
#include "i965_avc_const_def.h"

#define MAX_URB_SIZE                    4096 /* In register */
#define NUM_KERNELS_PER_GPE_CONTEXT     1
#define MBENC_KERNEL_BASE GEN9_AVC_KERNEL_MBENC_QUALITY_I
#define GPE_RESOURCE_ALIGNMENT 4  /* 4 means 16 = 1 << 4) */

#define OUT_BUFFER_2DW(batch, bo, is_target, delta)  do {               \
        if (bo) {                                                       \
            OUT_BCS_RELOC64(batch,                                        \
                            bo,                                         \
                            I915_GEM_DOMAIN_INSTRUCTION,                \
                            is_target ? I915_GEM_DOMAIN_RENDER : 0,     \
                            delta);                                     \
        } else {                                                        \
            OUT_BCS_BATCH(batch, 0);                                    \
            OUT_BCS_BATCH(batch, 0);                                    \
        }                                                               \
    } while (0)

#define OUT_BUFFER_3DW(batch, bo, is_target, delta, attr)  do { \
        OUT_BUFFER_2DW(batch, bo, is_target, delta);            \
        OUT_BCS_BATCH(batch, attr);                             \
    } while (0)

/* FEI specific buffer sizes per MB in bytes for gen9 */
#define FEI_AVC_MB_CODE_BUFFER_SIZE      64
#define FEI_AVC_MV_DATA_BUFFER_SIZE      128
#define FEI_AVC_MB_CONTROL_BUFFER_SIZE   16
#define FEI_AVC_MV_PREDICTOR_BUFFER_SIZE 40
#define FEI_AVC_DISTORTION_BUFFER_SIZE   48
#define FEI_AVC_QP_BUFFER_SIZE           1
#define PREENC_AVC_STATISTICS_BUFFER_SIZE 64

#define SCALE_CUR_PIC        1
#define SCALE_PAST_REF_PIC   2
#define SCALE_FUTURE_REF_PIC 3

static const uint32_t qm_flat[16] = {
    0x10101010, 0x10101010, 0x10101010, 0x10101010,
    0x10101010, 0x10101010, 0x10101010, 0x10101010,
    0x10101010, 0x10101010, 0x10101010, 0x10101010,
    0x10101010, 0x10101010, 0x10101010, 0x10101010
};

static const uint32_t fqm_flat[32] = {
    0x10001000, 0x10001000, 0x10001000, 0x10001000,
    0x10001000, 0x10001000, 0x10001000, 0x10001000,
    0x10001000, 0x10001000, 0x10001000, 0x10001000,
    0x10001000, 0x10001000, 0x10001000, 0x10001000,
    0x10001000, 0x10001000, 0x10001000, 0x10001000,
    0x10001000, 0x10001000, 0x10001000, 0x10001000,
    0x10001000, 0x10001000, 0x10001000, 0x10001000,
    0x10001000, 0x10001000, 0x10001000, 0x10001000
};

static const unsigned int slice_type_kernel[3] = {1, 2, 0};

static const gen9_avc_brc_init_reset_curbe_data gen9_avc_brc_init_reset_curbe_init_data = {
    // unsigned int 0
    {
        0
    },

    // unsigned int 1
    {
        0
    },

    // unsigned int 2
    {
        0
    },

    // unsigned int 3
    {
        0
    },

    // unsigned int 4
    {
        0
    },

    // unsigned int 5
    {
        0
    },

    // unsigned int 6
    {
        0
    },

    // unsigned int 7
    {
        0
    },

    // unsigned int 8
    {
        0,
        0
    },

    // unsigned int 9
    {
        0,
        0
    },

    // unsigned int 10
    {
        0,
        0
    },

    // unsigned int 11
    {
        0,
        1
    },

    // unsigned int 12
    {
        51,
        0
    },

    // unsigned int 13
    {
        40,
        60,
        80,
        120
    },

    // unsigned int 14
    {
        35,
        60,
        80,
        120
    },

    // unsigned int 15
    {
        40,
        60,
        90,
        115
    },

    // unsigned int 16
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 17
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 18
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 19
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 20
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 21
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 22
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 23
    {
        0
    }
};

static const gen8_avc_frame_brc_update_curbe_data gen8_avc_frame_brc_update_curbe_init_data = {
    //unsigned int 0
    {
        0
    },

    //unsigned int 1
    {
        0
    },

    //unsigned int 2
    {
        0
    },

    //unsigned int 3
    {

        10,
        50

    },

    //unsigned int 4
    {

        100,
        150

    },

    //unsigned int 5
    {
        0, 0, 0, 0
    },

    //unsigned int 6
    {
        0, 0, 0, 0, 0, 0
    },

    //unsigned int 7
    {
        0
    },

    //unsigned int 8
    {

        1,
        1,
        3,
        2

    },

    //unsigned int 9
    {

        1,
        40,
        5,
        5

    },

    //unsigned int 10
    {

        3,
        1,
        7,
        18

    },

    //unsigned int 11
    {

        25,
        37,
        40,
        75

    },

    //unsigned int 12
    {

        97,
        103,
        125,
        160

    },

    //unsigned int 13
    {

        -3,
        -2,
        -1,
        0

    },

    //unsigned int 14
    {

        1,
        2,
        3,
        0xff

    },

    //unsigned int 15
    {
        0, 0, 0
    },

    //unsigned int 16
    {
        0, 0
    },

    //unsigned int 17
    {
        0, 0
    },

    //unsigned int 18
    {
        0, 0
    },

    //unsigned int 19
    {
        0
    },

    //unsigned int 20
    {
        0
    },

    //unsigned int 21
    {
        0
    },

    //unsigned int 22
    {
        0
    },

    //unsigned int 23
    {
        0
    },
};
static const gen9_avc_frame_brc_update_curbe_data gen9_avc_frame_brc_update_curbe_init_data = {
    // unsigned int 0
    {
        0
    },

    // unsigned int 1
    {
        0
    },

    // unsigned int 2
    {
        0
    },

    // unsigned int 3
    {
        10,
        50
    },

    // unsigned int 4
    {
        100,
        150
    },

    // unsigned int 5
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 6
    {
        0,
        0,
        0,
        0,
        0,
        0
    },

    // unsigned int 7
    {
        0
    },

    // unsigned int 8
    {
        1,
        1,
        3,
        2
    },

    // unsigned int 9
    {
        1,
        40,
        5,
        5
    },

    // unsigned int 10
    {
        3,
        1,
        7,
        18
    },

    // unsigned int 11
    {
        25,
        37,
        40,
        75
    },

    // unsigned int 12
    {
        97,
        103,
        125,
        160
    },

    // unsigned int 13
    {
        -3,
        -2,
        -1,
        0
    },

    // unsigned int 14
    {
        1,
        2,
        3,
        0xff
    },

    // unsigned int 15
    {
        0,
        0,
        0,
        0
    },

    // unsigned int 16
    {
        0
    },

    // unsigned int 17
    {
        0
    },

    // unsigned int 18
    {
        0
    },

    // unsigned int 19
    {
        0
    },

    // unsigned int 20
    {
        0
    },

    // unsigned int 21
    {
        0
    },

    // unsigned int 22
    {
        0
    },

    // unsigned int 23
    {
        0
    },

};

static const gen8_avc_ipcm_threshold gen8_avc_ipcm_threshold_table[5] =
{
    { 2,    3000 },
    { 4,    3600 },
    { 6,    5000 },
    { 10,   7500 },
    { 18,   9000 },
};

static void
gen9_avc_update_misc_parameters(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    int i;

    /* brc */
    generic_state->max_bit_rate = (encoder_context->brc.bits_per_second[0] + 1000 - 1) / 1000;

    if (generic_state->internal_rate_mode == VA_RC_CBR) {
        generic_state->min_bit_rate = generic_state->max_bit_rate;
        generic_state->mb_brc_enabled = encoder_context->brc.mb_rate_control[0] == 1;

        if (generic_state->target_bit_rate != generic_state->max_bit_rate) {
            generic_state->target_bit_rate = generic_state->max_bit_rate;
            generic_state->brc_need_reset = 1;
        }
    } else if (generic_state->internal_rate_mode == VA_RC_VBR) {
        generic_state->min_bit_rate = generic_state->max_bit_rate * (2 * encoder_context->brc.target_percentage[0] - 100) / 100;
        generic_state->mb_brc_enabled = encoder_context->brc.mb_rate_control[0] == 1;

        if (generic_state->target_bit_rate != generic_state->max_bit_rate * encoder_context->brc.target_percentage[0] / 100) {
            generic_state->target_bit_rate = generic_state->max_bit_rate * encoder_context->brc.target_percentage[0] / 100;
            generic_state->brc_need_reset = 1;
        }
    }

    /*  frame rate */
    if (generic_state->internal_rate_mode != VA_RC_CQP) {
        generic_state->frames_per_100s = encoder_context->brc.framerate[0].num * 100 / encoder_context->brc.framerate[0].den ;
        generic_state->frame_rate = encoder_context->brc.framerate[0].num / encoder_context->brc.framerate[0].den ;
        generic_state->frames_per_window_size = (int)(encoder_context->brc.window_size * generic_state->frame_rate / 1000); // brc.windows size in ms as the unit
    } else {
        generic_state->frames_per_100s = 30 * 100;
        generic_state->frame_rate = 30 ;
        generic_state->frames_per_window_size = 30;
    }

    /*  HRD */
    if (generic_state->internal_rate_mode != VA_RC_CQP) {
        generic_state->vbv_buffer_size_in_bit = encoder_context->brc.hrd_buffer_size;//misc->buffer_size;
        generic_state->init_vbv_buffer_fullness_in_bit = encoder_context->brc.hrd_initial_buffer_fullness;//misc->initial_buffer_fullness;
    }

    /* ROI */
    generic_state->num_roi = MIN(encoder_context->brc.num_roi, 3);
    if (generic_state->num_roi > 0) {
        generic_state->max_delta_qp = encoder_context->brc.roi_max_delta_qp;
        generic_state->min_delta_qp = encoder_context->brc.roi_min_delta_qp;

        for (i = 0; i < generic_state->num_roi; i++) {
            generic_state->roi[i].left   = encoder_context->brc.roi[i].left;
            generic_state->roi[i].right  = encoder_context->brc.roi[i].right;
            generic_state->roi[i].top    = encoder_context->brc.roi[i].top;
            generic_state->roi[i].bottom = encoder_context->brc.roi[i].bottom;
            generic_state->roi[i].value  = encoder_context->brc.roi[i].value;

            generic_state->roi[i].left /= 16;
            generic_state->roi[i].right /= 16;
            generic_state->roi[i].top /= 16;
            generic_state->roi[i].bottom /= 16;
        }
    }

}

static bool
intel_avc_get_kernel_header_and_size(void *pvbinary,
                                     int binary_size,
                                     INTEL_GENERIC_ENC_OPERATION operation,
                                     int krnstate_idx,
                                     struct i965_kernel *ret_kernel)
{
    typedef uint32_t BIN_PTR[4];

    char *bin_start;
    gen9_avc_encoder_kernel_header      *pkh_table;
    kernel_header          *pcurr_header, *pinvalid_entry, *pnext_header;
    int next_krnoffset;

    if (!pvbinary || !ret_kernel)
        return false;

    bin_start = (char *)pvbinary;
    pkh_table = (gen9_avc_encoder_kernel_header *)pvbinary;
    pinvalid_entry = &(pkh_table->static_detection) + 1;
    next_krnoffset = binary_size;

    if (operation == INTEL_GENERIC_ENC_SCALING4X) {
        pcurr_header = &pkh_table->ply_dscale_ply;
    } else if (operation == INTEL_GENERIC_ENC_SCALING2X) {
        pcurr_header = &pkh_table->ply_2xdscale_ply;
    } else if (operation == INTEL_GENERIC_ENC_ME) {
        pcurr_header = &pkh_table->me_p;
    } else if (operation == INTEL_GENERIC_ENC_BRC) {
        pcurr_header = &pkh_table->frame_brc_init;
    } else if (operation == INTEL_GENERIC_ENC_MBENC) {
        pcurr_header = &pkh_table->mbenc_quality_I;
    } else if (operation == INTEL_GENERIC_ENC_WP) {
        pcurr_header = &pkh_table->wp;
    } else if (operation == INTEL_GENERIC_ENC_SFD) {
        pcurr_header = &pkh_table->static_detection;
    } else {
        return false;
    }

    pcurr_header += krnstate_idx;
    ret_kernel->bin = (const BIN_PTR *)(bin_start + (pcurr_header->kernel_start_pointer << 6));

    pnext_header = (pcurr_header + 1);
    if (pnext_header < pinvalid_entry) {
        next_krnoffset = pnext_header->kernel_start_pointer << 6;
    }
    ret_kernel->size = next_krnoffset - (pcurr_header->kernel_start_pointer << 6);

    return true;
}

static bool
gen8_avc_get_kernel_header_and_size(void *pvbinary,
                                    int binary_size,
                                    INTEL_GENERIC_ENC_OPERATION operation,
                                    int krnstate_idx,
                                    struct i965_kernel *ret_kernel)
{
    typedef uint32_t BIN_PTR[4];

    char *bin_start;
    gen8_avc_encoder_kernel_header      *pkh_table;
    kernel_header          *pcurr_header, *pinvalid_entry, *pnext_header;
    int next_krnoffset;

    if (!pvbinary || !ret_kernel)
        return false;

    bin_start = (char *)pvbinary;
    pkh_table = (gen8_avc_encoder_kernel_header *)pvbinary;
    pinvalid_entry = &(pkh_table->static_detection) + 1;
    next_krnoffset = binary_size;

    if (operation == INTEL_GENERIC_ENC_SCALING4X) {
        pcurr_header = &pkh_table->ply_dscale_ply;
    } else if (operation == INTEL_GENERIC_ENC_SCALING2X) {
        pcurr_header = &pkh_table->ply_2xdscale_ply;
    } else if (operation == INTEL_GENERIC_ENC_ME) {
        pcurr_header = &pkh_table->me_p;
    } else if (operation == INTEL_GENERIC_ENC_BRC) {
        pcurr_header = &pkh_table->frame_brc_init;
    } else if (operation == INTEL_GENERIC_ENC_MBENC) {
        pcurr_header = &pkh_table->mbenc_quality_I;
    } else if (operation == INTEL_GENERIC_ENC_SFD) {
        pcurr_header = &pkh_table->static_detection;
    } else {
        return false;
    }

    pcurr_header += krnstate_idx;
    ret_kernel->bin = (const BIN_PTR *)(bin_start + (pcurr_header->kernel_start_pointer << 6));

    pnext_header = (pcurr_header + 1);
    if (pnext_header < pinvalid_entry) {
        next_krnoffset = pnext_header->kernel_start_pointer << 6;
    }
    ret_kernel->size = next_krnoffset - (pcurr_header->kernel_start_pointer << 6);

    return true;
}

static bool
intel_avc_fei_get_kernel_header_and_size(
    void                             *pvbinary,
    int                              binary_size,
    INTEL_GENERIC_ENC_OPERATION      operation,
    int                              krnstate_idx,
    struct i965_kernel               *ret_kernel)
{
    typedef uint32_t BIN_PTR[4];

    char *bin_start;
    gen9_avc_fei_encoder_kernel_header      *pkh_table;
    kernel_header          *pcurr_header, *pinvalid_entry, *pnext_header;
    int next_krnoffset;

    if (!pvbinary || !ret_kernel)
        return false;

    bin_start = (char *)pvbinary;
    pkh_table = (gen9_avc_fei_encoder_kernel_header *)pvbinary;
    pinvalid_entry = &(pkh_table->wp) + 1;
    next_krnoffset = binary_size;

    if (operation == INTEL_GENERIC_ENC_SCALING4X) {
        pcurr_header = &pkh_table->ply_dscale_ply;
    } else if (operation == INTEL_GENERIC_ENC_ME) {
        pcurr_header = &pkh_table->me_p;
    } else if (operation == INTEL_GENERIC_ENC_MBENC) {
        pcurr_header = &pkh_table->mbenc_i;
    } else if (operation == INTEL_GENERIC_ENC_PREPROC) {
        pcurr_header =  &pkh_table->preproc;
    } else {
        return false;
    }

    pcurr_header += krnstate_idx;
    ret_kernel->bin = (const BIN_PTR *)(bin_start + (pcurr_header->kernel_start_pointer << 6));

    pnext_header = (pcurr_header + 1);
    if (pnext_header < pinvalid_entry) {
        next_krnoffset = pnext_header->kernel_start_pointer << 6;
    }
    ret_kernel->size = next_krnoffset - (pcurr_header->kernel_start_pointer << 6);

    return true;
}

static void
gen9_free_surfaces_avc(void **data)
{
    struct gen9_surface_avc *avc_surface;

    if (!data || !*data)
        return;

    avc_surface = *data;

    if (avc_surface->scaled_4x_surface_obj) {
        i965_DestroySurfaces(avc_surface->ctx, &avc_surface->scaled_4x_surface_id, 1);
        avc_surface->scaled_4x_surface_id = VA_INVALID_SURFACE;
        avc_surface->scaled_4x_surface_obj = NULL;
    }

    if (avc_surface->scaled_16x_surface_obj) {
        i965_DestroySurfaces(avc_surface->ctx, &avc_surface->scaled_16x_surface_id, 1);
        avc_surface->scaled_16x_surface_id = VA_INVALID_SURFACE;
        avc_surface->scaled_16x_surface_obj = NULL;
    }

    if (avc_surface->scaled_32x_surface_obj) {
        i965_DestroySurfaces(avc_surface->ctx, &avc_surface->scaled_32x_surface_id, 1);
        avc_surface->scaled_32x_surface_id = VA_INVALID_SURFACE;
        avc_surface->scaled_32x_surface_obj = NULL;
    }

    i965_free_gpe_resource(&avc_surface->res_mb_code_surface);
    i965_free_gpe_resource(&avc_surface->res_mv_data_surface);
    i965_free_gpe_resource(&avc_surface->res_ref_pic_select_surface);

    /* FEI specific resources */
    /* since the driver previously taken an extra reference to the drm_bo
     * in case the buffers were supplied by middleware, there shouldn't
     * be any memory handling issue */
    i965_free_gpe_resource(&avc_surface->res_fei_mb_cntrl_surface);
    i965_free_gpe_resource(&avc_surface->res_fei_mv_predictor_surface);
    i965_free_gpe_resource(&avc_surface->res_fei_vme_distortion_surface);
    i965_free_gpe_resource(&avc_surface->res_fei_mb_qp_surface);

    dri_bo_unreference(avc_surface->dmv_top);
    avc_surface->dmv_top = NULL;
    dri_bo_unreference(avc_surface->dmv_bottom);
    avc_surface->dmv_bottom = NULL;

    free(avc_surface);

    *data = NULL;

    return;
}

static VAStatus
gen9_avc_init_check_surfaces(VADriverContextP ctx,
                             struct object_surface *obj_surface,
                             struct intel_encoder_context *encoder_context,
                             struct avc_surface_param *surface_param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;

    struct gen9_surface_avc *avc_surface;
    int downscaled_width_4x, downscaled_height_4x;
    int downscaled_width_16x, downscaled_height_16x;
    int downscaled_width_32x, downscaled_height_32x;
    int size = 0;
    unsigned int frame_width_in_mbs = ALIGN(surface_param->frame_width, 16) / 16;
    unsigned int frame_height_in_mbs = ALIGN(surface_param->frame_height, 16) / 16;
    unsigned int frame_mb_nums = frame_width_in_mbs * frame_height_in_mbs;
    int allocate_flag = 1;
    int width, height;

    if (!obj_surface || !obj_surface->bo)
        return VA_STATUS_ERROR_INVALID_SURFACE;

    if (obj_surface->private_data) {
        return VA_STATUS_SUCCESS;
    }

    avc_surface = calloc(1, sizeof(struct gen9_surface_avc));

    if (!avc_surface)
        return VA_STATUS_ERROR_ALLOCATION_FAILED;

    avc_surface->ctx = ctx;
    obj_surface->private_data = avc_surface;
    obj_surface->free_private_data = gen9_free_surfaces_avc;

    downscaled_width_4x = generic_state->frame_width_4x;
    downscaled_height_4x = generic_state->frame_height_4x;

    i965_CreateSurfaces(ctx,
                        downscaled_width_4x,
                        downscaled_height_4x,
                        VA_RT_FORMAT_YUV420,
                        1,
                        &avc_surface->scaled_4x_surface_id);

    avc_surface->scaled_4x_surface_obj = SURFACE(avc_surface->scaled_4x_surface_id);

    if (!avc_surface->scaled_4x_surface_obj) {
        return VA_STATUS_ERROR_ALLOCATION_FAILED;
    }

    i965_check_alloc_surface_bo(ctx, avc_surface->scaled_4x_surface_obj, 1,
                                VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);

    downscaled_width_16x = generic_state->frame_width_16x;
    downscaled_height_16x = generic_state->frame_height_16x;
    i965_CreateSurfaces(ctx,
                        downscaled_width_16x,
                        downscaled_height_16x,
                        VA_RT_FORMAT_YUV420,
                        1,
                        &avc_surface->scaled_16x_surface_id);
    avc_surface->scaled_16x_surface_obj = SURFACE(avc_surface->scaled_16x_surface_id);

    if (!avc_surface->scaled_16x_surface_obj) {
        return VA_STATUS_ERROR_ALLOCATION_FAILED;
    }

    i965_check_alloc_surface_bo(ctx, avc_surface->scaled_16x_surface_obj, 1,
                                VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);

    if (generic_state->b32xme_supported ||
        generic_state->b32xme_enabled) {
        downscaled_width_32x = generic_state->frame_width_32x;
        downscaled_height_32x = generic_state->frame_height_32x;
        i965_CreateSurfaces(ctx,
                            downscaled_width_32x,
                            downscaled_height_32x,
                            VA_RT_FORMAT_YUV420,
                            1,
                            &avc_surface->scaled_32x_surface_id);
        avc_surface->scaled_32x_surface_obj = SURFACE(avc_surface->scaled_32x_surface_id);

        if (!avc_surface->scaled_32x_surface_obj) {
            return VA_STATUS_ERROR_ALLOCATION_FAILED;
        }

        i965_check_alloc_surface_bo(ctx, avc_surface->scaled_32x_surface_obj, 1,
                                    VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);
    }

    /*mb code and mv data for each frame*/
    if (!encoder_context->fei_enabled) {
        size = frame_mb_nums * 16 * 4;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_surface->res_mb_code_surface,
                                                   ALIGN(size, 0x1000),
                                                   "mb code buffer");
        if (!allocate_flag)
            goto failed_allocation;

        size = frame_mb_nums * 32 * 4;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_surface->res_mv_data_surface,
                                                   ALIGN(size, 0x1000),
                                                   "mv data buffer");
        if (!allocate_flag)
            goto failed_allocation;
    }

    /* ref pic list*/
    if (avc_state->ref_pic_select_list_supported) {
        width = ALIGN(frame_width_in_mbs * 8, 64);
        height = frame_height_in_mbs ;
        allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                      &avc_surface->res_ref_pic_select_surface,
                                                      width, height,
                                                      width,
                                                      "Ref pic select list buffer");
        if (!allocate_flag)
            goto failed_allocation;
    }

    /*direct mv*/
    avc_surface->dmv_top =
        dri_bo_alloc(i965->intel.bufmgr,
                     "direct mv top Buffer",
                     68 * frame_mb_nums,
                     64);
    avc_surface->dmv_bottom =
        dri_bo_alloc(i965->intel.bufmgr,
                     "direct mv bottom Buffer",
                     68 * frame_mb_nums,
                     64);
    assert(avc_surface->dmv_top);
    assert(avc_surface->dmv_bottom);

    return VA_STATUS_SUCCESS;

failed_allocation:
    return VA_STATUS_ERROR_ALLOCATION_FAILED;
}

static void
gen9_avc_generate_slice_map(VADriverContextP ctx,
                            struct encode_state *encode_state,
                            struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct i965_gpe_resource *gpe_resource = NULL;
    VAEncSliceParameterBufferH264 * slice_param = NULL;
    unsigned int * data = NULL;
    unsigned int * data_row = NULL;
    int i, j, count = 0;
    unsigned int pitch = ALIGN((generic_state->frame_width_in_mbs + 1) * 4, 64) / 4;

    if (!avc_state->arbitrary_num_mbs_in_slice)
        return;

    gpe_resource = &(avc_ctx->res_mbenc_slice_map_surface);
    assert(gpe_resource);

    i965_zero_gpe_resource(gpe_resource);

    data_row = (unsigned int *)i965_map_gpe_resource(gpe_resource);
    assert(data_row);

    data = data_row;
    for (i = 0; i < avc_state->slice_num; i++) {
        slice_param = avc_state->slice_param[i];
        for (j = 0; j < slice_param->num_macroblocks; j++) {
            *data++ = i;
            if ((count > 0) && (count % generic_state->frame_width_in_mbs == 0)) {
                data_row += pitch;
                data = data_row;
                *data++ = i;
            }
            count++;
        }
    }
    *data++ = 0xFFFFFFFF;

    i965_unmap_gpe_resource(gpe_resource);
}

static VAStatus
gen9_avc_allocate_resources(VADriverContextP ctx,
                            struct encode_state *encode_state,
                            struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    unsigned int size  = 0;
    unsigned int width  = 0;
    unsigned int height  = 0;
    unsigned char * data  = NULL;
    int allocate_flag = 1;
    int i = 0;

    /*all the surface/buffer are allocated here*/

    /*second level batch buffer for image state write when cqp etc*/
    i965_free_gpe_resource(&avc_ctx->res_image_state_batch_buffer_2nd_level);
    size = INTEL_AVC_IMAGE_STATE_CMD_SIZE ;
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_image_state_batch_buffer_2nd_level,
                                               ALIGN(size, 0x1000),
                                               "second levle batch (image state write) buffer");
    if (!allocate_flag)
        goto failed_allocation;

    /* scaling related surface   */
    if (avc_state->mb_status_supported) {
        i965_free_gpe_resource(&avc_ctx->res_mb_status_buffer);
        size = (generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs * 16 * 4 + 1023) & ~0x3ff;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_mb_status_buffer,
                                                   ALIGN(size, 0x1000),
                                                   "MB statistics output buffer");
        if (!allocate_flag)
            goto failed_allocation;
        i965_zero_gpe_resource(&avc_ctx->res_mb_status_buffer);
    }

    if (avc_state->flatness_check_supported) {
        width = generic_state->frame_width_in_mbs * 4;
        height = generic_state->frame_height_in_mbs * 4;
        i965_free_gpe_resource(&avc_ctx->res_flatness_check_surface);
        allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                      &avc_ctx->res_flatness_check_surface,
                                                      width, height,
                                                      ALIGN(width, 64),
                                                      "Flatness check buffer");
        if (!allocate_flag)
            goto failed_allocation;
    }
    /* me related surface */
    width = generic_state->downscaled_width_4x_in_mb * 8;
    height = generic_state->downscaled_height_4x_in_mb * 4 * 10;
    i965_free_gpe_resource(&avc_ctx->s4x_memv_distortion_buffer);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->s4x_memv_distortion_buffer,
                                                  width, height,
                                                  ALIGN(width, 64),
                                                  "4x MEMV distortion buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->s4x_memv_distortion_buffer);

    width = (generic_state->downscaled_width_4x_in_mb + 7) / 8 * 64;
    height = (generic_state->downscaled_height_4x_in_mb + 1) / 2 * 8;
    i965_free_gpe_resource(&avc_ctx->s4x_memv_min_distortion_brc_buffer);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->s4x_memv_min_distortion_brc_buffer,
                                                  width, height,
                                                  width,
                                                  "4x MEMV min distortion brc buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->s4x_memv_min_distortion_brc_buffer);


    width = ALIGN(generic_state->downscaled_width_4x_in_mb * 32, 64);
    height = generic_state->downscaled_height_4x_in_mb * 4 * 2 * 10;
    i965_free_gpe_resource(&avc_ctx->s4x_memv_data_buffer);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->s4x_memv_data_buffer,
                                                  width, height,
                                                  width,
                                                  "4x MEMV data buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->s4x_memv_data_buffer);


    width = ALIGN(generic_state->downscaled_width_16x_in_mb * 32, 64);
    height = generic_state->downscaled_height_16x_in_mb * 4 * 2 * 10 ;
    i965_free_gpe_resource(&avc_ctx->s16x_memv_data_buffer);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->s16x_memv_data_buffer,
                                                  width, height,
                                                  width,
                                                  "16x MEMV data buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->s16x_memv_data_buffer);


    width = ALIGN(generic_state->downscaled_width_32x_in_mb * 32, 64);
    height = generic_state->downscaled_height_32x_in_mb * 4 * 2 * 10 ;
    i965_free_gpe_resource(&avc_ctx->s32x_memv_data_buffer);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->s32x_memv_data_buffer,
                                                  width, height,
                                                  width,
                                                  "32x MEMV data buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->s32x_memv_data_buffer);


    if (!generic_state->brc_allocated) {
        /*brc related surface */
        i965_free_gpe_resource(&avc_ctx->res_brc_history_buffer);
        size = 864;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_brc_history_buffer,
                                                   ALIGN(size, 0x1000),
                                                   "brc history buffer");
        if (!allocate_flag)
            goto failed_allocation;

        i965_free_gpe_resource(&avc_ctx->res_brc_pre_pak_statistics_output_buffer);
        size = 64;//44
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_brc_pre_pak_statistics_output_buffer,
                                                   ALIGN(size, 0x1000),
                                                   "brc pak statistic buffer");
        if (!allocate_flag)
            goto failed_allocation;

        i965_free_gpe_resource(&avc_ctx->res_brc_image_state_read_buffer);
        size = INTEL_AVC_IMAGE_STATE_CMD_SIZE * 7;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_brc_image_state_read_buffer,
                                                   ALIGN(size, 0x1000),
                                                   "brc image state read buffer");
        if (!allocate_flag)
            goto failed_allocation;

        i965_free_gpe_resource(&avc_ctx->res_brc_image_state_write_buffer);
        size = INTEL_AVC_IMAGE_STATE_CMD_SIZE * 7;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_brc_image_state_write_buffer,
                                                   ALIGN(size, 0x1000),
                                                   "brc image state write buffer");
        if (!allocate_flag)
            goto failed_allocation;

        width = ALIGN(avc_state->brc_const_data_surface_width, 64);
        height = avc_state->brc_const_data_surface_height;
        i965_free_gpe_resource(&avc_ctx->res_brc_const_data_buffer);
        allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                      &avc_ctx->res_brc_const_data_buffer,
                                                      width, height,
                                                      width,
                                                      "brc const data buffer");
        if (!allocate_flag)
            goto failed_allocation;
        i965_zero_gpe_resource(&avc_ctx->res_brc_const_data_buffer);

        if (generic_state->brc_distortion_buffer_supported) {
            width = ALIGN(generic_state->downscaled_width_4x_in_mb * 8, 64);
            height = ALIGN(generic_state->downscaled_height_4x_in_mb * 4, 8);
            width = (generic_state->downscaled_width_4x_in_mb + 7) / 8 * 64;
            height = (generic_state->downscaled_height_4x_in_mb + 1) / 2 * 8;
            i965_free_gpe_resource(&avc_ctx->res_brc_dist_data_surface);
            allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                          &avc_ctx->res_brc_dist_data_surface,
                                                          width, height,
                                                          width,
                                                          "brc dist data buffer");
            if (!allocate_flag)
                goto failed_allocation;
            i965_zero_gpe_resource(&avc_ctx->res_brc_dist_data_surface);
        }

        if (generic_state->brc_roi_enable) {
            width = ALIGN(generic_state->downscaled_width_4x_in_mb * 16, 64);
            height = ALIGN(generic_state->downscaled_height_4x_in_mb * 4, 8);
            i965_free_gpe_resource(&avc_ctx->res_mbbrc_roi_surface);
            allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                          &avc_ctx->res_mbbrc_roi_surface,
                                                          width, height,
                                                          width,
                                                          "mbbrc roi buffer");
            if (!allocate_flag)
                goto failed_allocation;
            i965_zero_gpe_resource(&avc_ctx->res_mbbrc_roi_surface);
        }

        /*mb qp in mb brc*/
        width = ALIGN(generic_state->downscaled_width_4x_in_mb * 4, 64);
        height = ALIGN(generic_state->downscaled_height_4x_in_mb * 4, 8);
        i965_free_gpe_resource(&avc_ctx->res_mbbrc_mb_qp_data_surface);
        allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                      &avc_ctx->res_mbbrc_mb_qp_data_surface,
                                                      width, height,
                                                      width,
                                                      "mbbrc mb qp buffer");
        if (!allocate_flag)
            goto failed_allocation;

        i965_free_gpe_resource(&avc_ctx->res_mbbrc_const_data_buffer);
        size = 16 * AVC_QP_MAX * 4;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_mbbrc_const_data_buffer,
                                                   ALIGN(size, 0x1000),
                                                   "mbbrc const data buffer");
        if (!allocate_flag)
            goto failed_allocation;

        if (avc_state->decouple_mbenc_curbe_from_brc_enable) {
            i965_free_gpe_resource(&avc_ctx->res_mbenc_brc_buffer);
            size = avc_state->mbenc_brc_buffer_size;
            allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                       &avc_ctx->res_mbenc_brc_buffer,
                                                       ALIGN(size, 0x1000),
                                                       "mbenc brc buffer");
            if (!allocate_flag)
                goto failed_allocation;
            i965_zero_gpe_resource(&avc_ctx->res_mbenc_brc_buffer);
        }
        generic_state->brc_allocated = 1;
    }

    /*mb qp external*/
    if (avc_state->mb_qp_data_enable) {
        width = ALIGN(generic_state->downscaled_width_4x_in_mb * 4, 64);
        height = ALIGN(generic_state->downscaled_height_4x_in_mb * 4, 8);
        i965_free_gpe_resource(&avc_ctx->res_mb_qp_data_surface);
        allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                      &avc_ctx->res_mb_qp_data_surface,
                                                      width, height,
                                                      width,
                                                      "external mb qp buffer");
        if (!allocate_flag)
            goto failed_allocation;
    }

    /*     mbenc related surface. it share most of surface with other kernels     */
    if (avc_state->arbitrary_num_mbs_in_slice) {
        width = ALIGN((generic_state->frame_width_in_mbs + 1) * 4, 64);
        height = generic_state->frame_height_in_mbs ;
        i965_free_gpe_resource(&avc_ctx->res_mbenc_slice_map_surface);
        allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                      &avc_ctx->res_mbenc_slice_map_surface,
                                                      width, height,
                                                      width,
                                                      "slice map buffer");
        if (!allocate_flag)
            goto failed_allocation;
        i965_zero_gpe_resource(&avc_ctx->res_mbenc_slice_map_surface);

        /*generate slice map,default one slice per frame.*/
    }

    /* sfd related surface  */
    if (avc_state->sfd_enable) {
        i965_free_gpe_resource(&avc_ctx->res_sfd_output_buffer);
        size = 128;
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_sfd_output_buffer,
                                                   size,
                                                   "sfd output buffer");
        if (!allocate_flag)
            goto failed_allocation;
        i965_zero_gpe_resource(&avc_ctx->res_sfd_output_buffer);

        i965_free_gpe_resource(&avc_ctx->res_sfd_cost_table_p_frame_buffer);
        size = ALIGN(52, 64);
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_sfd_cost_table_p_frame_buffer,
                                                   size,
                                                   "sfd P frame cost table buffer");
        if (!allocate_flag)
            goto failed_allocation;
        data = i965_map_gpe_resource(&(avc_ctx->res_sfd_cost_table_p_frame_buffer));
        assert(data);
        memcpy(data, gen9_avc_sfd_cost_table_p_frame, sizeof(unsigned char) * 52);
        i965_unmap_gpe_resource(&(avc_ctx->res_sfd_cost_table_p_frame_buffer));

        i965_free_gpe_resource(&avc_ctx->res_sfd_cost_table_b_frame_buffer);
        size = ALIGN(52, 64);
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_sfd_cost_table_b_frame_buffer,
                                                   size,
                                                   "sfd B frame cost table buffer");
        if (!allocate_flag)
            goto failed_allocation;
        data = i965_map_gpe_resource(&(avc_ctx->res_sfd_cost_table_b_frame_buffer));
        assert(data);
        memcpy(data, gen9_avc_sfd_cost_table_b_frame, sizeof(unsigned char) * 52);
        i965_unmap_gpe_resource(&(avc_ctx->res_sfd_cost_table_b_frame_buffer));
    }

    /* wp related surfaces */
    if (avc_state->weighted_prediction_supported) {
        for (i = 0; i < 2 ; i++) {
            if (avc_ctx->wp_output_pic_select_surface_obj[i]) {
                continue;
            }

            width = generic_state->frame_width_in_pixel;
            height = generic_state->frame_height_in_pixel ;
            i965_CreateSurfaces(ctx,
                                width,
                                height,
                                VA_RT_FORMAT_YUV420,
                                1,
                                &avc_ctx->wp_output_pic_select_surface_id[i]);
            avc_ctx->wp_output_pic_select_surface_obj[i] = SURFACE(avc_ctx->wp_output_pic_select_surface_id[i]);

            if (!avc_ctx->wp_output_pic_select_surface_obj[i]) {
                goto failed_allocation;
            }

            i965_check_alloc_surface_bo(ctx, avc_ctx->wp_output_pic_select_surface_obj[i], 1,
                                        VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);
        }
        i965_free_gpe_resource(&avc_ctx->res_wp_output_pic_select_surface_list[0]);
        i965_object_surface_to_2d_gpe_resource_with_align(&avc_ctx->res_wp_output_pic_select_surface_list[0], avc_ctx->wp_output_pic_select_surface_obj[0], GPE_RESOURCE_ALIGNMENT);
        i965_free_gpe_resource(&avc_ctx->res_wp_output_pic_select_surface_list[1]);
        i965_object_surface_to_2d_gpe_resource_with_align(&avc_ctx->res_wp_output_pic_select_surface_list[1], avc_ctx->wp_output_pic_select_surface_obj[1], GPE_RESOURCE_ALIGNMENT);
    }

    /* other   */

    i965_free_gpe_resource(&avc_ctx->res_mad_data_buffer);
    size = 4 * 1;
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_mad_data_buffer,
                                               ALIGN(size, 0x1000),
                                               "MAD data buffer");
    if (!allocate_flag)
        goto failed_allocation;

    return VA_STATUS_SUCCESS;

failed_allocation:
    return VA_STATUS_ERROR_ALLOCATION_FAILED;
}

static void
gen9_avc_free_resources(struct encoder_vme_mfc_context * vme_context)
{
    if (!vme_context)
        return;

    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    VADriverContextP ctx = avc_ctx->ctx;
    int i = 0;

    /* free all the surface/buffer here*/
    i965_free_gpe_resource(&avc_ctx->res_image_state_batch_buffer_2nd_level);
    i965_free_gpe_resource(&avc_ctx->res_mb_status_buffer);
    i965_free_gpe_resource(&avc_ctx->res_flatness_check_surface);
    i965_free_gpe_resource(&avc_ctx->s4x_memv_distortion_buffer);
    i965_free_gpe_resource(&avc_ctx->s4x_memv_min_distortion_brc_buffer);
    i965_free_gpe_resource(&avc_ctx->s4x_memv_data_buffer);
    i965_free_gpe_resource(&avc_ctx->s16x_memv_data_buffer);
    i965_free_gpe_resource(&avc_ctx->s32x_memv_data_buffer);
    i965_free_gpe_resource(&avc_ctx->res_brc_history_buffer);
    i965_free_gpe_resource(&avc_ctx->res_brc_pre_pak_statistics_output_buffer);
    i965_free_gpe_resource(&avc_ctx->res_brc_image_state_read_buffer);
    i965_free_gpe_resource(&avc_ctx->res_brc_image_state_write_buffer);
    i965_free_gpe_resource(&avc_ctx->res_brc_const_data_buffer);
    i965_free_gpe_resource(&avc_ctx->res_brc_dist_data_surface);
    i965_free_gpe_resource(&avc_ctx->res_mbbrc_roi_surface);
    i965_free_gpe_resource(&avc_ctx->res_mbbrc_mb_qp_data_surface);
    i965_free_gpe_resource(&avc_ctx->res_mbenc_brc_buffer);
    i965_free_gpe_resource(&avc_ctx->res_mb_qp_data_surface);
    i965_free_gpe_resource(&avc_ctx->res_mbbrc_const_data_buffer);
    i965_free_gpe_resource(&avc_ctx->res_mbenc_slice_map_surface);
    i965_free_gpe_resource(&avc_ctx->res_sfd_output_buffer);
    i965_free_gpe_resource(&avc_ctx->res_sfd_cost_table_p_frame_buffer);
    i965_free_gpe_resource(&avc_ctx->res_sfd_cost_table_b_frame_buffer);
    i965_free_gpe_resource(&avc_ctx->res_wp_output_pic_select_surface_list[0]);
    i965_free_gpe_resource(&avc_ctx->res_wp_output_pic_select_surface_list[1]);
    i965_free_gpe_resource(&avc_ctx->res_mad_data_buffer);

    for (i = 0; i < 2 ; i++) {
        if (avc_ctx->wp_output_pic_select_surface_obj[i]) {
            i965_DestroySurfaces(ctx, &avc_ctx->wp_output_pic_select_surface_id[i], 1);
            avc_ctx->wp_output_pic_select_surface_id[i] = VA_INVALID_SURFACE;
            avc_ctx->wp_output_pic_select_surface_obj[i] = NULL;
        }
    }

    /* free preenc resources */
    i965_free_gpe_resource(&avc_ctx->preproc_mv_predictor_buffer);
    i965_free_gpe_resource(&avc_ctx->preproc_mb_qp_buffer);
    i965_free_gpe_resource(&avc_ctx->preproc_mv_data_out_buffer);
    i965_free_gpe_resource(&avc_ctx->preproc_stat_data_out_buffer);

    i965_free_gpe_resource(&avc_ctx->preenc_past_ref_stat_data_out_buffer);
    i965_free_gpe_resource(&avc_ctx->preenc_future_ref_stat_data_out_buffer);

    i965_DestroySurfaces(ctx, &avc_ctx->preenc_scaled_4x_surface_id, 1);
    avc_ctx->preenc_scaled_4x_surface_id = VA_INVALID_SURFACE;
    avc_ctx->preenc_scaled_4x_surface_obj = NULL;

    i965_DestroySurfaces(ctx, &avc_ctx->preenc_past_ref_scaled_4x_surface_id, 1);
    avc_ctx->preenc_past_ref_scaled_4x_surface_id = VA_INVALID_SURFACE;
    avc_ctx->preenc_past_ref_scaled_4x_surface_obj = NULL;

    i965_DestroySurfaces(ctx, &avc_ctx->preenc_future_ref_scaled_4x_surface_id, 1);
    avc_ctx->preenc_future_ref_scaled_4x_surface_id = VA_INVALID_SURFACE;
    avc_ctx->preenc_future_ref_scaled_4x_surface_obj = NULL;
}

static void
gen9_avc_run_kernel_media_object(VADriverContextP ctx,
                                 struct intel_encoder_context *encoder_context,
                                 struct i965_gpe_context *gpe_context,
                                 int media_function,
                                 struct gpe_media_object_parameter *param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;

    struct intel_batchbuffer *batch = encoder_context->base.batch;
    struct encoder_status_buffer_internal *status_buffer;
    struct gpe_mi_store_data_imm_parameter mi_store_data_imm;

    if (!batch)
        return;

    intel_batchbuffer_start_atomic(batch, 0x1000);
    intel_batchbuffer_emit_mi_flush(batch);

    status_buffer = &(avc_ctx->status_buffer);
    memset(&mi_store_data_imm, 0, sizeof(mi_store_data_imm));
    mi_store_data_imm.bo = status_buffer->bo;
    mi_store_data_imm.offset = status_buffer->media_index_offset;
    mi_store_data_imm.dw0 = media_function;
    gpe->mi_store_data_imm(ctx, batch, &mi_store_data_imm);

    gpe->pipeline_setup(ctx, gpe_context, batch);
    gpe->media_object(ctx, gpe_context, batch, param);
    gpe->media_state_flush(ctx, gpe_context, batch);

    gpe->pipeline_end(ctx, gpe_context, batch);

    intel_batchbuffer_end_atomic(batch);

    intel_batchbuffer_flush(batch);
}

static void
gen9_avc_run_kernel_media_object_walker(VADriverContextP ctx,
                                        struct intel_encoder_context *encoder_context,
                                        struct i965_gpe_context *gpe_context,
                                        int media_function,
                                        struct gpe_media_object_walker_parameter *param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;

    struct intel_batchbuffer *batch = encoder_context->base.batch;
    struct encoder_status_buffer_internal *status_buffer;
    struct gpe_mi_store_data_imm_parameter mi_store_data_imm;

    if (!batch)
        return;

    intel_batchbuffer_start_atomic(batch, 0x1000);

    intel_batchbuffer_emit_mi_flush(batch);

    status_buffer = &(avc_ctx->status_buffer);
    memset(&mi_store_data_imm, 0, sizeof(mi_store_data_imm));
    mi_store_data_imm.bo = status_buffer->bo;
    mi_store_data_imm.offset = status_buffer->media_index_offset;
    mi_store_data_imm.dw0 = media_function;
    gpe->mi_store_data_imm(ctx, batch, &mi_store_data_imm);

    gpe->pipeline_setup(ctx, gpe_context, batch);
    gpe->media_object_walker(ctx, gpe_context, batch, param);
    gpe->media_state_flush(ctx, gpe_context, batch);

    gpe->pipeline_end(ctx, gpe_context, batch);

    intel_batchbuffer_end_atomic(batch);

    intel_batchbuffer_flush(batch);
}

static void
gen9_init_gpe_context_avc(VADriverContextP ctx,
                          struct i965_gpe_context *gpe_context,
                          struct encoder_kernel_parameter *kernel_param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);

    gpe_context->curbe.length = kernel_param->curbe_size; // in bytes

    gpe_context->sampler.entry_size = 0;
    gpe_context->sampler.max_entries = 0;

    if (kernel_param->sampler_size) {
        gpe_context->sampler.entry_size = ALIGN(kernel_param->sampler_size, 64);
        gpe_context->sampler.max_entries = 1;
    }

    gpe_context->idrt.entry_size = ALIGN(sizeof(struct gen8_interface_descriptor_data), 64); // 8 dws, 1 register
    gpe_context->idrt.max_entries = NUM_KERNELS_PER_GPE_CONTEXT;

    gpe_context->surface_state_binding_table.max_entries = MAX_AVC_ENCODER_SURFACES;
    gpe_context->surface_state_binding_table.binding_table_offset = 0;
    gpe_context->surface_state_binding_table.surface_state_offset = ALIGN(MAX_AVC_ENCODER_SURFACES * 4, 64);
    gpe_context->surface_state_binding_table.length = ALIGN(MAX_AVC_ENCODER_SURFACES * 4, 64) + ALIGN(MAX_AVC_ENCODER_SURFACES * SURFACE_STATE_PADDED_SIZE_GEN9, 64);

    if (i965->intel.eu_total > 0)
        gpe_context->vfe_state.max_num_threads = 6 * i965->intel.eu_total;
    else
        gpe_context->vfe_state.max_num_threads = 112; // 16 EU * 7 threads

    gpe_context->vfe_state.curbe_allocation_size = MAX(1, ALIGN(gpe_context->curbe.length, 32) >> 5); // in registers
    gpe_context->vfe_state.urb_entry_size = MAX(1, ALIGN(kernel_param->inline_data_size, 32) >> 5); // in registers
    gpe_context->vfe_state.num_urb_entries = (MAX_URB_SIZE -
                                              gpe_context->vfe_state.curbe_allocation_size -
                                              ((gpe_context->idrt.entry_size >> 5) *
                                               gpe_context->idrt.max_entries)) / gpe_context->vfe_state.urb_entry_size;
    gpe_context->vfe_state.num_urb_entries = CLAMP(1, 127, gpe_context->vfe_state.num_urb_entries);
    gpe_context->vfe_state.gpgpu_mode = 0;
}

static void
gen9_init_vfe_scoreboard_avc(struct i965_gpe_context *gpe_context,
                             struct encoder_scoreboard_parameter *scoreboard_param)
{
    gpe_context->vfe_desc5.scoreboard0.mask = scoreboard_param->mask;
    gpe_context->vfe_desc5.scoreboard0.type = scoreboard_param->type;
    gpe_context->vfe_desc5.scoreboard0.enable = scoreboard_param->enable;

    if (scoreboard_param->walkpat_flag) {
        gpe_context->vfe_desc5.scoreboard0.mask = 0x0F;
        gpe_context->vfe_desc5.scoreboard0.type = 1;

        gpe_context->vfe_desc6.scoreboard1.delta_x0 = 0;
        gpe_context->vfe_desc6.scoreboard1.delta_y0 = -1;

        gpe_context->vfe_desc6.scoreboard1.delta_x1 = 0;
        gpe_context->vfe_desc6.scoreboard1.delta_y1 = -2;

        gpe_context->vfe_desc6.scoreboard1.delta_x2 = -1;
        gpe_context->vfe_desc6.scoreboard1.delta_y2 = 3;

        gpe_context->vfe_desc6.scoreboard1.delta_x3 = -1;
        gpe_context->vfe_desc6.scoreboard1.delta_y3 = 1;
    } else {
        // Scoreboard 0
        gpe_context->vfe_desc6.scoreboard1.delta_x0 = -1;
        gpe_context->vfe_desc6.scoreboard1.delta_y0 = 0;

        // Scoreboard 1
        gpe_context->vfe_desc6.scoreboard1.delta_x1 = 0;
        gpe_context->vfe_desc6.scoreboard1.delta_y1 = -1;

        // Scoreboard 2
        gpe_context->vfe_desc6.scoreboard1.delta_x2 = 1;
        gpe_context->vfe_desc6.scoreboard1.delta_y2 = -1;

        // Scoreboard 3
        gpe_context->vfe_desc6.scoreboard1.delta_x3 = -1;
        gpe_context->vfe_desc6.scoreboard1.delta_y3 = -1;

        // Scoreboard 4
        gpe_context->vfe_desc7.scoreboard2.delta_x4 = -1;
        gpe_context->vfe_desc7.scoreboard2.delta_y4 = 1;

        // Scoreboard 5
        gpe_context->vfe_desc7.scoreboard2.delta_x5 = 0;
        gpe_context->vfe_desc7.scoreboard2.delta_y5 = -2;

        // Scoreboard 6
        gpe_context->vfe_desc7.scoreboard2.delta_x6 = 1;
        gpe_context->vfe_desc7.scoreboard2.delta_y6 = -2;

        // Scoreboard 7
        gpe_context->vfe_desc7.scoreboard2.delta_x6 = -1;
        gpe_context->vfe_desc7.scoreboard2.delta_y6 = -2;
    }
}
/*
VME pipeline related function
*/

/*
scaling kernel related function
*/
static void
gen9_avc_set_curbe_scaling4x(VADriverContextP ctx,
                             struct encode_state *encode_state,
                             struct i965_gpe_context *gpe_context,
                             struct intel_encoder_context *encoder_context,
                             void *param)
{
    gen9_avc_scaling4x_curbe_data *curbe_cmd;
    struct scaling_param *surface_param = (struct scaling_param *)param;

    curbe_cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!curbe_cmd)
        return;

    memset(curbe_cmd, 0, sizeof(gen9_avc_scaling4x_curbe_data));

    curbe_cmd->dw0.input_picture_width  = surface_param->input_frame_width;
    curbe_cmd->dw0.input_picture_height = surface_param->input_frame_height;

    curbe_cmd->dw1.input_y_bti = GEN9_AVC_SCALING_FRAME_SRC_Y_INDEX;
    curbe_cmd->dw2.output_y_bti = GEN9_AVC_SCALING_FRAME_DST_Y_INDEX;


    curbe_cmd->dw5.flatness_threshold = 128;
    curbe_cmd->dw6.enable_mb_flatness_check = surface_param->enable_mb_flatness_check;
    curbe_cmd->dw7.enable_mb_variance_output = surface_param->enable_mb_variance_output;
    curbe_cmd->dw8.enable_mb_pixel_average_output = surface_param->enable_mb_pixel_average_output;

    if (curbe_cmd->dw6.enable_mb_flatness_check ||
        curbe_cmd->dw7.enable_mb_variance_output ||
        curbe_cmd->dw8.enable_mb_pixel_average_output) {
        curbe_cmd->dw10.mbv_proc_stat_bti = GEN9_AVC_SCALING_FRAME_MBVPROCSTATS_DST_INDEX;
    }

    i965_gpe_context_unmap_curbe(gpe_context);
    return;
}

static void
gen95_avc_set_curbe_scaling4x(VADriverContextP ctx,
                              struct encode_state *encode_state,
                              struct i965_gpe_context *gpe_context,
                              struct intel_encoder_context *encoder_context,
                              void *param)
{
    gen95_avc_scaling4x_curbe_data *curbe_cmd;
    struct scaling_param *surface_param = (struct scaling_param *)param;

    curbe_cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!curbe_cmd)
        return;

    memset(curbe_cmd, 0, sizeof(gen95_avc_scaling4x_curbe_data));

    curbe_cmd->dw0.input_picture_width  = surface_param->input_frame_width;
    curbe_cmd->dw0.input_picture_height = surface_param->input_frame_height;

    curbe_cmd->dw1.input_y_bti_frame = GEN9_AVC_SCALING_FRAME_SRC_Y_INDEX;
    curbe_cmd->dw2.output_y_bti_frame = GEN9_AVC_SCALING_FRAME_DST_Y_INDEX;

    if (surface_param->enable_mb_flatness_check)
        curbe_cmd->dw5.flatness_threshold = 128;
    curbe_cmd->dw6.enable_mb_flatness_check = surface_param->enable_mb_flatness_check;
    curbe_cmd->dw6.enable_mb_variance_output = surface_param->enable_mb_variance_output;
    curbe_cmd->dw6.enable_mb_pixel_average_output = surface_param->enable_mb_pixel_average_output;
    curbe_cmd->dw6.enable_block8x8_statistics_output = surface_param->blk8x8_stat_enabled;

    if (curbe_cmd->dw6.enable_mb_flatness_check ||
        curbe_cmd->dw6.enable_mb_variance_output ||
        curbe_cmd->dw6.enable_mb_pixel_average_output) {
        curbe_cmd->dw8.mbv_proc_stat_bti_frame = GEN9_AVC_SCALING_FRAME_MBVPROCSTATS_DST_INDEX;
    }

    i965_gpe_context_unmap_curbe(gpe_context);
    return;
}

static void
gen9_avc_set_curbe_scaling2x(VADriverContextP ctx,
                             struct encode_state *encode_state,
                             struct i965_gpe_context *gpe_context,
                             struct intel_encoder_context *encoder_context,
                             void *param)
{
    gen9_avc_scaling2x_curbe_data *curbe_cmd;
    struct scaling_param *surface_param = (struct scaling_param *)param;

    curbe_cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!curbe_cmd)
        return;

    memset(curbe_cmd, 0, sizeof(gen9_avc_scaling2x_curbe_data));

    curbe_cmd->dw0.input_picture_width  = surface_param->input_frame_width;
    curbe_cmd->dw0.input_picture_height = surface_param->input_frame_height;

    curbe_cmd->dw8.input_y_bti = GEN9_AVC_SCALING_FRAME_SRC_Y_INDEX;
    curbe_cmd->dw9.output_y_bti = GEN9_AVC_SCALING_FRAME_DST_Y_INDEX;

    i965_gpe_context_unmap_curbe(gpe_context);
    return;
}

static void
gen9_avc_send_surface_scaling(VADriverContextP ctx,
                              struct encode_state *encode_state,
                              struct i965_gpe_context *gpe_context,
                              struct intel_encoder_context *encoder_context,
                              void *param)
{
    struct scaling_param *surface_param = (struct scaling_param *)param;
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    unsigned int surface_format;
    unsigned int res_size;

    if (surface_param->scaling_out_use_32unorm_surf_fmt)
        surface_format = I965_SURFACEFORMAT_R32_UNORM;
    else if (surface_param->scaling_out_use_16unorm_surf_fmt)
        surface_format = I965_SURFACEFORMAT_R16_UNORM;
    else
        surface_format = I965_SURFACEFORMAT_R8_UNORM;

    i965_add_2d_gpe_surface(ctx, gpe_context,
                            surface_param->input_surface,
                            0, 1, surface_format,
                            GEN9_AVC_SCALING_FRAME_SRC_Y_INDEX);

    i965_add_2d_gpe_surface(ctx, gpe_context,
                            surface_param->output_surface,
                            0, 1, surface_format,
                            GEN9_AVC_SCALING_FRAME_DST_Y_INDEX);

    /*add buffer mv_proc_stat, here need change*/
    if (IS_GEN8(i965->intel.device_info)) {
        if (surface_param->mbv_proc_stat_enabled) {
            res_size = 16 * (surface_param->input_frame_width / 16) * (surface_param->input_frame_height / 16) * sizeof(unsigned int);

            i965_add_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        surface_param->pres_mbv_proc_stat_buffer,
                                        0,
                                        res_size / 4,
                                        0,
                                        GEN8_SCALING_FRAME_MBVPROCSTATS_DST_CM);
        }
        if (surface_param->enable_mb_flatness_check) {
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           surface_param->pres_flatness_check_surface,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN8_SCALING_FRAME_FLATNESS_DST_CM);
        }
    } else {
        if (surface_param->mbv_proc_stat_enabled) {
            res_size = 16 * (surface_param->input_frame_width / 16) * (surface_param->input_frame_height / 16) * sizeof(unsigned int);

            i965_add_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        surface_param->pres_mbv_proc_stat_buffer,
                                        0,
                                        res_size / 4,
                                        0,
                                        GEN9_AVC_SCALING_FRAME_MBVPROCSTATS_DST_INDEX);
        } else if (surface_param->enable_mb_flatness_check) {
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           surface_param->pres_flatness_check_surface,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_SCALING_FRAME_MBVPROCSTATS_DST_INDEX);
        }
    }
    return;
}

static VAStatus
gen9_avc_kernel_scaling(VADriverContextP ctx,
                        struct encode_state *encode_state,
                        struct intel_encoder_context *encoder_context,
                        int hme_type)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;

    struct i965_gpe_context *gpe_context;
    struct scaling_param surface_param;
    struct object_surface *obj_surface;
    struct gen9_surface_avc *avc_priv_surface;
    struct gpe_media_object_walker_parameter media_object_walker_param;
    struct gpe_encoder_kernel_walker_parameter kernel_walker_param;
    unsigned int downscaled_width_in_mb, downscaled_height_in_mb;
    int media_function = 0;
    int kernel_idx = 0;

    obj_surface = encode_state->reconstructed_object;
    avc_priv_surface = obj_surface->private_data;

    memset(&surface_param, 0, sizeof(struct scaling_param));
    switch (hme_type) {
    case INTEL_ENC_HME_4x : {
        media_function = INTEL_MEDIA_STATE_4X_SCALING;
        kernel_idx = GEN9_AVC_KERNEL_SCALING_4X_IDX;
        downscaled_width_in_mb = generic_state->downscaled_width_4x_in_mb;
        downscaled_height_in_mb = generic_state->downscaled_height_4x_in_mb;

        surface_param.input_surface = encode_state->input_yuv_object ;
        surface_param.input_frame_width = generic_state->frame_width_in_pixel ;
        surface_param.input_frame_height = generic_state->frame_height_in_pixel ;

        surface_param.output_surface = avc_priv_surface->scaled_4x_surface_obj ;
        surface_param.output_frame_width = generic_state->frame_width_4x ;
        surface_param.output_frame_height = generic_state->frame_height_4x ;

        surface_param.enable_mb_flatness_check = avc_state->flatness_check_enable;
        surface_param.enable_mb_variance_output = avc_state->mb_status_enable;
        surface_param.enable_mb_pixel_average_output = avc_state->mb_status_enable;

        surface_param.blk8x8_stat_enabled = 0 ;
        surface_param.use_4x_scaling  = 1 ;
        surface_param.use_16x_scaling = 0 ;
        surface_param.use_32x_scaling = 0 ;
        break;
    }
    case INTEL_ENC_HME_16x : {
        media_function = INTEL_MEDIA_STATE_16X_SCALING;
        kernel_idx = GEN9_AVC_KERNEL_SCALING_4X_IDX;
        downscaled_width_in_mb = generic_state->downscaled_width_16x_in_mb;
        downscaled_height_in_mb = generic_state->downscaled_height_16x_in_mb;

        surface_param.input_surface = avc_priv_surface->scaled_4x_surface_obj ;
        surface_param.input_frame_width = generic_state->frame_width_4x ;
        surface_param.input_frame_height = generic_state->frame_height_4x ;

        surface_param.output_surface = avc_priv_surface->scaled_16x_surface_obj ;
        surface_param.output_frame_width = generic_state->frame_width_16x ;
        surface_param.output_frame_height = generic_state->frame_height_16x ;

        surface_param.enable_mb_flatness_check = 0 ;
        surface_param.enable_mb_variance_output = 0 ;
        surface_param.enable_mb_pixel_average_output = 0 ;

        surface_param.blk8x8_stat_enabled = 0 ;
        surface_param.use_4x_scaling  = 0 ;
        surface_param.use_16x_scaling = 1 ;
        surface_param.use_32x_scaling = 0 ;

        break;
    }
    case INTEL_ENC_HME_32x : {
        media_function = INTEL_MEDIA_STATE_32X_SCALING;
        kernel_idx = GEN9_AVC_KERNEL_SCALING_2X_IDX;
        downscaled_width_in_mb = generic_state->downscaled_width_32x_in_mb;
        downscaled_height_in_mb = generic_state->downscaled_height_32x_in_mb;

        surface_param.input_surface = avc_priv_surface->scaled_16x_surface_obj ;
        surface_param.input_frame_width = generic_state->frame_width_16x ;
        surface_param.input_frame_height = generic_state->frame_height_16x ;

        surface_param.output_surface = avc_priv_surface->scaled_32x_surface_obj ;
        surface_param.output_frame_width = generic_state->frame_width_32x ;
        surface_param.output_frame_height = generic_state->frame_height_32x ;

        surface_param.enable_mb_flatness_check = 0 ;
        surface_param.enable_mb_variance_output = 0 ;
        surface_param.enable_mb_pixel_average_output = 0 ;

        surface_param.blk8x8_stat_enabled = 0 ;
        surface_param.use_4x_scaling  = 0 ;
        surface_param.use_16x_scaling = 0 ;
        surface_param.use_32x_scaling = 1 ;
        break;
    }
    default :
        assert(0);

    }

    gpe_context = &(avc_ctx->context_scaling.gpe_contexts[kernel_idx]);

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    if (surface_param.use_32x_scaling) {
        generic_ctx->pfn_set_curbe_scaling2x(ctx, encode_state, gpe_context, encoder_context, &surface_param);
    } else {
        generic_ctx->pfn_set_curbe_scaling4x(ctx, encode_state, gpe_context, encoder_context, &surface_param);
    }

    if (surface_param.use_32x_scaling) {
        surface_param.scaling_out_use_16unorm_surf_fmt = 1 ;
        surface_param.scaling_out_use_32unorm_surf_fmt = 0 ;
    } else {
        surface_param.scaling_out_use_16unorm_surf_fmt = 0 ;
        surface_param.scaling_out_use_32unorm_surf_fmt = 1 ;
    }

    if (surface_param.use_4x_scaling) {
        if (avc_state->mb_status_supported) {
            surface_param.enable_mb_flatness_check = 0;
            surface_param.mbv_proc_stat_enabled = (surface_param.use_4x_scaling) ? (avc_state->mb_status_enable || avc_state->flatness_check_enable) : 0 ;
            surface_param.pres_mbv_proc_stat_buffer = &(avc_ctx->res_mb_status_buffer);

        } else {
            surface_param.enable_mb_flatness_check = (surface_param.use_4x_scaling) ? avc_state->flatness_check_enable : 0;
            surface_param.mbv_proc_stat_enabled = 0 ;
            surface_param.pres_flatness_check_surface = &(avc_ctx->res_flatness_check_surface);
        }
    }

    generic_ctx->pfn_send_scaling_surface(ctx, encode_state, gpe_context, encoder_context, &surface_param);

    /* setup the interface data */
    gpe->setup_interface_data(ctx, gpe_context);

    memset(&kernel_walker_param, 0, sizeof(kernel_walker_param));
    if (surface_param.use_32x_scaling) {
        kernel_walker_param.resolution_x = downscaled_width_in_mb ;
        kernel_walker_param.resolution_y = downscaled_height_in_mb ;
    } else {
        /* the scaling is based on 8x8 blk level */
        kernel_walker_param.resolution_x = downscaled_width_in_mb * 2;
        kernel_walker_param.resolution_y = downscaled_height_in_mb * 2;
    }
    kernel_walker_param.no_dependency = 1;

    i965_init_media_object_walker_parameter(&kernel_walker_param, &media_object_walker_param);

    gen9_avc_run_kernel_media_object_walker(ctx, encoder_context,
                                            gpe_context,
                                            media_function,
                                            &media_object_walker_param);

    return VA_STATUS_SUCCESS;
}

/*
frame/mb brc related function
*/
static void
gen9_avc_init_mfx_avc_img_state(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context,
                                struct gen9_mfx_avc_img_state *pstate)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    VAEncSequenceParameterBufferH264 *seq_param = avc_state->seq_param;
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;

    memset(pstate, 0, sizeof(*pstate));

    pstate->dw0.dword_length = (sizeof(struct gen9_mfx_avc_img_state)) / 4 - 2;
    pstate->dw0.sub_opcode_b = 0;
    pstate->dw0.sub_opcode_a = 0;
    pstate->dw0.command_opcode = 1;
    pstate->dw0.pipeline = 2;
    pstate->dw0.command_type = 3;

    pstate->dw1.frame_size_in_mbs = generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs ;

    pstate->dw2.frame_width_in_mbs_minus1 = generic_state->frame_width_in_mbs - 1;
    pstate->dw2.frame_height_in_mbs_minus1 = generic_state->frame_height_in_mbs - 1;

    pstate->dw3.image_structure = 0;//frame is zero
    pstate->dw3.weighted_bipred_idc = pic_param->pic_fields.bits.weighted_bipred_idc;
    pstate->dw3.weighted_pred_flag = pic_param->pic_fields.bits.weighted_pred_flag;
    pstate->dw3.brc_domain_rate_control_enable = 0;//0,set for non-vdenc mode;
    pstate->dw3.chroma_qp_offset = pic_param->chroma_qp_index_offset;
    pstate->dw3.second_chroma_qp_offset = pic_param->second_chroma_qp_index_offset;

    pstate->dw4.field_picture_flag = 0;
    pstate->dw4.mbaff_mode_active = seq_param->seq_fields.bits.mb_adaptive_frame_field_flag;
    pstate->dw4.frame_mb_only_flag = seq_param->seq_fields.bits.frame_mbs_only_flag;
    pstate->dw4.transform_8x8_idct_mode_flag = pic_param->pic_fields.bits.transform_8x8_mode_flag;
    pstate->dw4.direct_8x8_interface_flag = seq_param->seq_fields.bits.direct_8x8_inference_flag;
    pstate->dw4.constrained_intra_prediction_flag = pic_param->pic_fields.bits.constrained_intra_pred_flag;
    pstate->dw4.entropy_coding_flag = pic_param->pic_fields.bits.entropy_coding_mode_flag;
    pstate->dw4.mb_mv_format_flag = 1;
    pstate->dw4.chroma_format_idc = seq_param->seq_fields.bits.chroma_format_idc;
    pstate->dw4.mv_unpacked_flag = 1;
    pstate->dw4.insert_test_flag = 0;
    pstate->dw4.load_slice_pointer_flag = 0;
    pstate->dw4.macroblock_stat_enable = 0;        /* disable in the first pass */
    pstate->dw4.minimum_frame_size = 0;
    pstate->dw5.intra_mb_max_bit_flag = 1;
    pstate->dw5.inter_mb_max_bit_flag = 1;
    pstate->dw5.frame_size_over_flag = 1;
    pstate->dw5.frame_size_under_flag = 1;
    pstate->dw5.intra_mb_ipcm_flag = 1;
    pstate->dw5.mb_rate_ctrl_flag = 0;
    pstate->dw5.non_first_pass_flag = 0;
    pstate->dw5.aq_enable = pstate->dw5.aq_rounding = 0;
    pstate->dw5.aq_chroma_disable = 1;
    if (pstate->dw4.entropy_coding_flag && (avc_state->tq_enable)) {
        pstate->dw5.aq_enable = avc_state->tq_enable;
        pstate->dw5.aq_rounding = avc_state->tq_rounding;
    } else {
        pstate->dw5.aq_rounding = 0;
    }

    pstate->dw6.intra_mb_max_size = 2700;
    pstate->dw6.inter_mb_max_size = 4095;

    pstate->dw8.slice_delta_qp_max0 = 0;
    pstate->dw8.slice_delta_qp_max1 = 0;
    pstate->dw8.slice_delta_qp_max2 = 0;
    pstate->dw8.slice_delta_qp_max3 = 0;

    pstate->dw9.slice_delta_qp_min0 = 0;
    pstate->dw9.slice_delta_qp_min1 = 0;
    pstate->dw9.slice_delta_qp_min2 = 0;
    pstate->dw9.slice_delta_qp_min3 = 0;

    pstate->dw10.frame_bitrate_min = 0;
    pstate->dw10.frame_bitrate_min_unit = 1;
    pstate->dw10.frame_bitrate_min_unit_mode = 1;
    pstate->dw10.frame_bitrate_max = (1 << 14) - 1;
    pstate->dw10.frame_bitrate_max_unit = 1;
    pstate->dw10.frame_bitrate_max_unit_mode = 1;

    pstate->dw11.frame_bitrate_min_delta = 0;
    pstate->dw11.frame_bitrate_max_delta = 0;

    pstate->dw12.vad_error_logic = 1;
    /* set paramters DW19/DW20 for slices */
}

static void
gen8_avc_init_mfx_avc_img_state(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context,
                                struct gen8_mfx_avc_img_state *pstate)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    VAEncSequenceParameterBufferH264 *seq_param = avc_state->seq_param;
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;

    memset(pstate, 0, sizeof(*pstate));

    pstate->dw0.dword_length = (sizeof(struct gen8_mfx_avc_img_state)) / 4 - 2;
    pstate->dw0.command_sub_opcode_b = 0;
    pstate->dw0.command_sub_opcode_a = 0;
    pstate->dw0.command_opcode = 1;
    pstate->dw0.command_pipeline = 2;
    pstate->dw0.command_type = 3;

    pstate->dw1.frame_size_in_mbs = generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs ;

    pstate->dw2.frame_width_in_mbs_minus1 = generic_state->frame_width_in_mbs - 1;
    pstate->dw2.frame_height_in_mbs_minus1 = generic_state->frame_height_in_mbs - 1;

    pstate->dw3.image_structure = 0;//frame is zero
    pstate->dw3.weighted_bipred_idc = pic_param->pic_fields.bits.weighted_bipred_idc;
    pstate->dw3.weighted_pred_flag = pic_param->pic_fields.bits.weighted_pred_flag;
    pstate->dw3.inter_mb_conf_flag = 0;
    pstate->dw3.intra_mb_conf_flag = 0;
    pstate->dw3.chroma_qp_offset = pic_param->chroma_qp_index_offset;
    pstate->dw3.second_chroma_qp_offset = pic_param->second_chroma_qp_index_offset;

    pstate->dw4.field_picture_flag = 0;
    pstate->dw4.mbaff_mode_active = seq_param->seq_fields.bits.mb_adaptive_frame_field_flag;
    pstate->dw4.frame_mb_only_flag = seq_param->seq_fields.bits.frame_mbs_only_flag;
    pstate->dw4.transform_8x8_idct_mode_flag = pic_param->pic_fields.bits.transform_8x8_mode_flag;
    pstate->dw4.direct_8x8_interface_flag = seq_param->seq_fields.bits.direct_8x8_inference_flag;
    pstate->dw4.constrained_intra_prediction_flag = pic_param->pic_fields.bits.constrained_intra_pred_flag;
    pstate->dw4.entropy_coding_flag = pic_param->pic_fields.bits.entropy_coding_mode_flag;
    pstate->dw4.mb_mv_format_flag = 1;
    pstate->dw4.chroma_format_idc = seq_param->seq_fields.bits.chroma_format_idc;
    pstate->dw4.mv_unpacked_flag = 1;
    pstate->dw4.insert_test_flag = 0;
    pstate->dw4.load_slice_pointer_flag = 0;
    pstate->dw4.macroblock_stat_enable = 0;        /* disable in the first pass */
    pstate->dw4.minimum_frame_size = 0;
    pstate->dw5.intra_mb_max_bit_flag = 1;
    pstate->dw5.inter_mb_max_bit_flag = 1;
    pstate->dw5.frame_size_over_flag = 1;
    pstate->dw5.frame_size_under_flag = 1;
    pstate->dw5.intra_mb_ipcm_flag = 1;
    pstate->dw5.mb_rate_ctrl_flag = 0;
    pstate->dw5.non_first_pass_flag = 0;
    pstate->dw5.aq_enable = pstate->dw5.aq_rounding = 0;
    pstate->dw5.aq_chroma_disable = 1;
    if (pstate->dw4.entropy_coding_flag && (avc_state->tq_enable)) {
        pstate->dw5.aq_enable = avc_state->tq_enable;
        pstate->dw5.aq_rounding = avc_state->tq_rounding;
    } else {
        pstate->dw5.aq_rounding = 0;
    }

    pstate->dw6.intra_mb_max_size = 2700;
    pstate->dw6.inter_mb_max_size = 4095;

    pstate->dw8.slice_delta_qp_max0 = 0;
    pstate->dw8.slice_delta_qp_max1 = 0;
    pstate->dw8.slice_delta_qp_max2 = 0;
    pstate->dw8.slice_delta_qp_max3 = 0;

    pstate->dw9.slice_delta_qp_min0 = 0;
    pstate->dw9.slice_delta_qp_min1 = 0;
    pstate->dw9.slice_delta_qp_min2 = 0;
    pstate->dw9.slice_delta_qp_min3 = 0;

    pstate->dw10.frame_bitrate_min = 0;
    pstate->dw10.frame_bitrate_min_unit = 1;
    pstate->dw10.frame_bitrate_min_unit_mode = 1;
    pstate->dw10.frame_bitrate_max = (1 << 14) - 1;
    pstate->dw10.frame_bitrate_max_unit = 1;
    pstate->dw10.frame_bitrate_max_unit_mode = 1;

    pstate->dw11.frame_bitrate_min_delta = 0;
    pstate->dw11.frame_bitrate_max_delta = 0;
    /* set paramters DW19/DW20 for slices */
}
void gen9_avc_set_image_state(VADriverContextP ctx,
                              struct encode_state *encode_state,
                              struct intel_encoder_context *encoder_context,
                              struct i965_gpe_resource *gpe_resource)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    char *pdata;
    int i;
    unsigned int * data;
    struct gen9_mfx_avc_img_state cmd;

    pdata = i965_map_gpe_resource(gpe_resource);

    if (!pdata)
        return;

    gen9_avc_init_mfx_avc_img_state(ctx, encode_state, encoder_context, &cmd);
    for (i = 0; i < generic_state->num_pak_passes; i++) {

        if (i == 0) {
            cmd.dw4.macroblock_stat_enable = 0;
            cmd.dw5.non_first_pass_flag = 0;
        } else {
            cmd.dw4.macroblock_stat_enable = 1;
            cmd.dw5.non_first_pass_flag = 1;
            cmd.dw5.intra_mb_ipcm_flag = 1;

        }
        cmd.dw5.mb_rate_ctrl_flag = 0;
        memcpy(pdata, &cmd, sizeof(struct gen9_mfx_avc_img_state));
        data = (unsigned int *)(pdata + sizeof(struct gen9_mfx_avc_img_state));
        *data = MI_BATCH_BUFFER_END;

        pdata += INTEL_AVC_IMAGE_STATE_CMD_SIZE;
    }
    i965_unmap_gpe_resource(gpe_resource);
    return;
}

void gen8_avc_set_image_state(VADriverContextP ctx,
                              struct encode_state *encode_state,
                              struct intel_encoder_context *encoder_context,
                              struct i965_gpe_resource *gpe_resource)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    char *pdata;
    int i;
    unsigned int * data;
    struct gen8_mfx_avc_img_state cmd;

    pdata = i965_map_gpe_resource(gpe_resource);

    if (!pdata)
        return;

    gen8_avc_init_mfx_avc_img_state(ctx, encode_state, encoder_context, &cmd);
    for (i = 0; i < generic_state->num_pak_passes; i++) {

        if (i == 0) {
            cmd.dw4.macroblock_stat_enable = 0;
            cmd.dw5.non_first_pass_flag = 0;
        } else {
            cmd.dw4.macroblock_stat_enable = 1;
            cmd.dw5.non_first_pass_flag = 1;
            cmd.dw5.intra_mb_ipcm_flag = 1;
            cmd.dw3.inter_mb_conf_flag = 1;
            cmd.dw3.intra_mb_conf_flag = 1;
        }
        cmd.dw5.mb_rate_ctrl_flag = 0;
        memcpy(pdata, &cmd, sizeof(struct gen8_mfx_avc_img_state));
        data = (unsigned int *)(pdata + sizeof(struct gen8_mfx_avc_img_state));
        *data = MI_BATCH_BUFFER_END;

        pdata += INTEL_AVC_IMAGE_STATE_CMD_SIZE;
    }
    i965_unmap_gpe_resource(gpe_resource);
    return;
}

void gen9_avc_set_image_state_non_brc(VADriverContextP ctx,
                                      struct encode_state *encode_state,
                                      struct intel_encoder_context *encoder_context,
                                      struct i965_gpe_resource *gpe_resource)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    char *pdata;

    unsigned int * data;
    struct gen9_mfx_avc_img_state cmd;

    pdata = i965_map_gpe_resource(gpe_resource);

    if (!pdata)
        return;

    gen9_avc_init_mfx_avc_img_state(ctx, encode_state, encoder_context, &cmd);

    if (generic_state->curr_pak_pass == 0) {
        cmd.dw4.macroblock_stat_enable = 0;
        cmd.dw5.non_first_pass_flag = 0;

    } else {
        cmd.dw4.macroblock_stat_enable = 1;
        cmd.dw5.non_first_pass_flag = 0;
        cmd.dw5.intra_mb_ipcm_flag = 1;
    }

    cmd.dw5.mb_rate_ctrl_flag = 0;
    memcpy(pdata, &cmd, sizeof(struct gen9_mfx_avc_img_state));
    data = (unsigned int *)(pdata + sizeof(struct gen9_mfx_avc_img_state));
    *data = MI_BATCH_BUFFER_END;

    i965_unmap_gpe_resource(gpe_resource);
    return;
}

static void
gen95_avc_calc_lambda_table(VADriverContextP ctx,
                            struct encode_state *encode_state,
                            struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    unsigned int value, inter, intra;
    unsigned int size = 0;
    int i = 0;
    int col = 0;
    unsigned int * lambda_table = (unsigned int *)(avc_state->lamda_value_lut);

    value = 0;
    inter = 0;
    intra = 0;

    size = AVC_QP_MAX * 2 * sizeof(unsigned int);
    switch (generic_state->frame_type) {
    case SLICE_TYPE_I:
        memcpy((unsigned char *)lambda_table, (unsigned char *)&gen95_avc_tq_lambda_i_frame[0][0], size * sizeof(unsigned char));
        break;
    case SLICE_TYPE_P:
        memcpy((unsigned char *)lambda_table, (unsigned char *)&gen95_avc_tq_lambda_p_frame[0][0], size * sizeof(unsigned char));
        break;
    case SLICE_TYPE_B:
        memcpy((unsigned char *)lambda_table, (unsigned char *)&gen95_avc_tq_lambda_b_frame[0][0], size * sizeof(unsigned char));
        break;
    default:
        assert(0);
        break;
    }

    for (i = 0; i < AVC_QP_MAX ; i++) {
        for (col = 0; col < 2; col++) {
            value = *(lambda_table + i * 2 + col);
            intra = value >> 16;

            intra = intra << 16;
            inter = value & 0xffff;

            if (inter < GEN95_AVC_MAX_LAMBDA) {
                inter = 0xf000;
            }
            *(lambda_table + i * 2 + col) = intra + inter;
        }
    }
}

static void
gen9_avc_init_brc_const_data(VADriverContextP ctx,
                             struct encode_state *encode_state,
                             struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct i965_gpe_resource *gpe_resource = NULL;
    unsigned char * data = NULL;
    unsigned char * data_tmp = NULL;
    unsigned int size = 0;
    unsigned int table_idx = 0;
    unsigned int block_based_skip_enable = avc_state->block_based_skip_enable;
    int i = 0;

    struct object_surface *obj_surface;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VASurfaceID surface_id;
    unsigned int transform_8x8_mode_flag = avc_state->transform_8x8_mode_enable;

    gpe_resource = &(avc_ctx->res_brc_const_data_buffer);
    assert(gpe_resource);

    i965_zero_gpe_resource(gpe_resource);

    data = i965_map_gpe_resource(gpe_resource);
    assert(data);

    table_idx = slice_type_kernel[generic_state->frame_type];

    /* Fill surface with QP Adjustment table, Distortion threshold table, MaxFrame threshold table, Distortion QP Adjustment Table*/
    size = sizeof(gen9_avc_qp_adjustment_dist_threshold_max_frame_threshold_dist_qp_adjustment_ipb);
    memcpy(data, gen9_avc_qp_adjustment_dist_threshold_max_frame_threshold_dist_qp_adjustment_ipb, size * sizeof(unsigned char));

    data += size;

    /* skip threshold table*/
    size = 128;
    switch (generic_state->frame_type) {
    case SLICE_TYPE_P:
        memcpy(data, gen9_avc_skip_value_p[block_based_skip_enable][transform_8x8_mode_flag], size * sizeof(unsigned char));
        break;
    case SLICE_TYPE_B:
        memcpy(data, gen9_avc_skip_value_b[block_based_skip_enable][transform_8x8_mode_flag], size * sizeof(unsigned char));
        break;
    default:
        /*SLICE_TYPE_I,no change */
        break;
    }

    if ((generic_state->frame_type != SLICE_TYPE_I) && avc_state->non_ftq_skip_threshold_lut_input_enable) {
        for (i = 0; i < AVC_QP_MAX ; i++) {
            *(data + 1 + (i * 2)) = (unsigned char)i965_avc_calc_skip_value(block_based_skip_enable, transform_8x8_mode_flag, avc_state->non_ftq_skip_threshold_lut[i]);
        }
    }
    data += size;

    /*fill the qp for ref list*/
    size = 32 + 32 + 32 + 160;
    memset(data, 0xff, 32);
    memset(data + 32 + 32, 0xff, 32);
    switch (generic_state->frame_type) {
    case SLICE_TYPE_P: {
        for (i = 0 ; i <  slice_param->num_ref_idx_l0_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList0[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface)
                break;
            *(data + i) = avc_state->list_ref_idx[0][i];//?
        }
    }
    break;
    case SLICE_TYPE_B: {
        data = data + 32 + 32;
        for (i = 0 ; i <  slice_param->num_ref_idx_l1_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList1[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface)
                break;
            *(data + i) = avc_state->list_ref_idx[1][i];//?
        }

        data = data - 32 - 32;

        for (i = 0 ; i <  slice_param->num_ref_idx_l0_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList0[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface)
                break;
            *(data + i) = avc_state->list_ref_idx[0][i];//?
        }
    }
    break;
    default:
        /*SLICE_TYPE_I,no change */
        break;
    }
    data += size;

    /*mv cost and mode cost*/
    size = 1664;
    memcpy(data, (unsigned char *)&gen9_avc_mode_mv_cost_table[table_idx][0][0], size * sizeof(unsigned char));

    if (avc_state->old_mode_cost_enable) {
        data_tmp = data;
        for (i = 0; i < AVC_QP_MAX ; i++) {
            *(data_tmp + 3) = (unsigned int)gen9_avc_old_intra_mode_cost[i];
            data_tmp += 16;
        }
    }

    if (avc_state->ftq_skip_threshold_lut_input_enable) {
        for (i = 0; i < AVC_QP_MAX ; i++) {
            *(data + (i * 32) + 24) =
                *(data + (i * 32) + 25) =
                    *(data + (i * 32) + 27) =
                        *(data + (i * 32) + 28) =
                            *(data + (i * 32) + 29) =
                                *(data + (i * 32) + 30) =
                                    *(data + (i * 32) + 31) = avc_state->ftq_skip_threshold_lut[i];
        }

    }
    data += size;

    /*ref cost*/
    size = 128;
    memcpy(data, (unsigned char *)&gen9_avc_ref_cost[table_idx][0], size * sizeof(unsigned char));
    data += size;

    /*scaling factor*/
    size = 64;
    if (avc_state->adaptive_intra_scaling_enable) {
        memcpy(data, (unsigned char *)gen9_avc_adaptive_intra_scaling_factor, size * sizeof(unsigned char));
    } else {
        memcpy(data, (unsigned char *)gen9_avc_intra_scaling_factor, size * sizeof(unsigned char));
    }

    if (IS_KBL(i965->intel.device_info) ||
        IS_GEN10(i965->intel.device_info) ||
        IS_GLK(i965->intel.device_info)) {
        data += size;

        size = 512;
        memcpy(data, (unsigned char *)gen95_avc_lambda_data, size * sizeof(unsigned char));
        data += size;

        size = 64;
        memcpy(data, (unsigned char *)gen95_avc_ftq25, size * sizeof(unsigned char));
    }

    i965_unmap_gpe_resource(gpe_resource);
}

static void
gen9_avc_init_brc_const_data_old(VADriverContextP ctx,
                                 struct encode_state *encode_state,
                                 struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct i965_gpe_resource *gpe_resource = NULL;
    unsigned int * data = NULL;
    unsigned int * data_tmp = NULL;
    unsigned int size = 0;
    unsigned int table_idx = 0;
    unsigned int block_based_skip_enable = avc_state->block_based_skip_enable;
    unsigned int transform_8x8_mode_flag = avc_state->transform_8x8_mode_enable;
    int i = 0;

    gpe_resource = &(avc_ctx->res_brc_const_data_buffer);
    assert(gpe_resource);

    i965_zero_gpe_resource(gpe_resource);

    data = i965_map_gpe_resource(gpe_resource);
    assert(data);

    table_idx = slice_type_kernel[generic_state->frame_type];

    /* Fill surface with QP Adjustment table, Distortion threshold table, MaxFrame threshold table, Distortion QP Adjustment Table*/
    size = sizeof(gen75_avc_qp_adjustment_dist_threshold_max_frame_threshold_dist_qp_adjustment_ipb);
    memcpy(data, gen75_avc_qp_adjustment_dist_threshold_max_frame_threshold_dist_qp_adjustment_ipb, size * sizeof(unsigned char));

    data += size;

    /* skip threshold table*/
    size = 128;
    switch (generic_state->frame_type) {
    case SLICE_TYPE_P:
        memcpy(data, gen9_avc_skip_value_p[block_based_skip_enable][transform_8x8_mode_flag], size * sizeof(unsigned char));
        break;
    case SLICE_TYPE_B:
        memcpy(data, gen9_avc_skip_value_b[block_based_skip_enable][transform_8x8_mode_flag], size * sizeof(unsigned char));
        break;
    default:
        /*SLICE_TYPE_I,no change */
        break;
    }

    if ((generic_state->frame_type != SLICE_TYPE_I) && avc_state->non_ftq_skip_threshold_lut_input_enable) {
        for (i = 0; i < AVC_QP_MAX ; i++) {
            *(data + 1 + (i * 2)) = (unsigned char)i965_avc_calc_skip_value(block_based_skip_enable, transform_8x8_mode_flag, avc_state->non_ftq_skip_threshold_lut[i]);
        }
    }
    data += size;

    /*fill the qp for ref list*/
    size = 128;
    data += size;
    size = 128;
    data += size;

    /*mv cost and mode cost*/
    size = 1664;
    memcpy(data, (unsigned char *)&gen75_avc_mode_mv_cost_table[table_idx][0][0], size * sizeof(unsigned char));

    if (avc_state->old_mode_cost_enable) {
        data_tmp = data;
        for (i = 0; i < AVC_QP_MAX ; i++) {
            *(data_tmp + 3) = (unsigned int)gen9_avc_old_intra_mode_cost[i];
            data_tmp += 16;
        }
    }

    if (avc_state->ftq_skip_threshold_lut_input_enable) {
        for (i = 0; i < AVC_QP_MAX ; i++) {
            *(data + (i * 32) + 24) =
                *(data + (i * 32) + 25) =
                    *(data + (i * 32) + 27) =
                        *(data + (i * 32) + 28) =
                            *(data + (i * 32) + 29) =
                                *(data + (i * 32) + 30) =
                                    *(data + (i * 32) + 31) = avc_state->ftq_skip_threshold_lut[i];
        }

    }
    data += size;

    /*ref cost*/
    size = 128;
    memcpy(data, (unsigned char *)&gen9_avc_ref_cost[table_idx][0], size * sizeof(unsigned char));

    i965_unmap_gpe_resource(gpe_resource);
}
static void
gen9_avc_set_curbe_brc_init_reset(VADriverContextP ctx,
                                  struct encode_state *encode_state,
                                  struct i965_gpe_context *gpe_context,
                                  struct intel_encoder_context *encoder_context,
                                  void * param)
{
    gen9_avc_brc_init_reset_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    double input_bits_per_frame = 0;
    double bps_ratio = 0;
    VAEncSequenceParameterBufferH264 * seq_param = avc_state->seq_param;
    struct avc_param common_param;

    cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!cmd)
        return;

    memcpy(cmd, &gen9_avc_brc_init_reset_curbe_init_data, sizeof(gen9_avc_brc_init_reset_curbe_data));

    memset(&common_param, 0, sizeof(common_param));
    common_param.frame_width_in_pixel = generic_state->frame_width_in_pixel;
    common_param.frame_height_in_pixel = generic_state->frame_height_in_pixel;
    common_param.frame_width_in_mbs = generic_state->frame_width_in_mbs;
    common_param.frame_height_in_mbs = generic_state->frame_height_in_mbs;
    common_param.frames_per_100s = generic_state->frames_per_100s;
    common_param.vbv_buffer_size_in_bit = generic_state->vbv_buffer_size_in_bit;
    common_param.target_bit_rate = generic_state->target_bit_rate;

    cmd->dw0.profile_level_max_frame = i965_avc_get_profile_level_max_frame(&common_param, seq_param->level_idc);
    cmd->dw1.init_buf_full_in_bits = generic_state->init_vbv_buffer_fullness_in_bit;
    cmd->dw2.buf_size_in_bits = generic_state->vbv_buffer_size_in_bit;
    cmd->dw3.average_bit_rate = generic_state->target_bit_rate * 1000;
    cmd->dw4.max_bit_rate = generic_state->max_bit_rate * 1000;
    cmd->dw8.gop_p = (generic_state->gop_ref_distance) ? ((generic_state->gop_size - 1) / generic_state->gop_ref_distance) : 0;
    cmd->dw9.gop_b = (generic_state->gop_size - 1 - cmd->dw8.gop_p);
    cmd->dw9.frame_width_in_bytes = generic_state->frame_width_in_pixel;
    cmd->dw10.frame_height_in_bytes = generic_state->frame_height_in_pixel;
    cmd->dw12.no_slices = avc_state->slice_num;

    //VUI
    if (seq_param->vui_parameters_present_flag && generic_state->internal_rate_mode != INTEL_BRC_AVBR) {
        if (generic_state->internal_rate_mode == VA_RC_CBR) {
            cmd->dw3.average_bit_rate = cmd->dw4.max_bit_rate;

        }

    }
    cmd->dw6.frame_rate_m = generic_state->frames_per_100s;
    cmd->dw7.frame_rate_d = 100;
    cmd->dw8.brc_flag = 0;
    cmd->dw8.brc_flag |= (generic_state->mb_brc_enabled) ? 0 : 0x8000;


    if (generic_state->internal_rate_mode == VA_RC_CBR) {
        //CBR
        cmd->dw4.max_bit_rate = cmd->dw3.average_bit_rate;
        cmd->dw8.brc_flag = cmd->dw8.brc_flag | INTEL_ENCODE_BRCINIT_ISCBR;

    } else if (generic_state->internal_rate_mode == VA_RC_VBR) {
        //VBR
        if (cmd->dw4.max_bit_rate < cmd->dw3.average_bit_rate) {
            cmd->dw4.max_bit_rate = cmd->dw3.average_bit_rate << 1;
        }
        cmd->dw8.brc_flag = cmd->dw8.brc_flag | INTEL_ENCODE_BRCINIT_ISVBR;

    } else if (generic_state->internal_rate_mode == INTEL_BRC_AVBR) {
        //AVBR
        cmd->dw4.max_bit_rate = cmd->dw3.average_bit_rate;
        cmd->dw8.brc_flag = cmd->dw8.brc_flag | INTEL_ENCODE_BRCINIT_ISAVBR;

    }
    //igonre icq/vcm/qvbr

    cmd->dw10.avbr_accuracy = generic_state->avbr_curracy;
    cmd->dw11.avbr_convergence = generic_state->avbr_convergence;

    //frame bits
    input_bits_per_frame = (double)(cmd->dw4.max_bit_rate) * (double)(cmd->dw7.frame_rate_d) / (double)(cmd->dw6.frame_rate_m);

    if (cmd->dw2.buf_size_in_bits == 0) {
        cmd->dw2.buf_size_in_bits = (unsigned int)(input_bits_per_frame * 4);
    }

    if (cmd->dw1.init_buf_full_in_bits == 0) {
        cmd->dw1.init_buf_full_in_bits = cmd->dw2.buf_size_in_bits * 7 / 8;
    }
    if (cmd->dw1.init_buf_full_in_bits < (unsigned int)(input_bits_per_frame * 2)) {
        cmd->dw1.init_buf_full_in_bits = (unsigned int)(input_bits_per_frame * 2);
    }
    if (cmd->dw1.init_buf_full_in_bits > cmd->dw2.buf_size_in_bits) {
        cmd->dw1.init_buf_full_in_bits = cmd->dw2.buf_size_in_bits;
    }

    //AVBR
    if (generic_state->internal_rate_mode == INTEL_BRC_AVBR) {
        cmd->dw2.buf_size_in_bits = 2 * generic_state->target_bit_rate * 1000;
        cmd->dw1.init_buf_full_in_bits = (unsigned int)(3 * cmd->dw2.buf_size_in_bits / 4);

    }

    bps_ratio = input_bits_per_frame / (cmd->dw2.buf_size_in_bits / 30.0);
    bps_ratio = (bps_ratio < 0.1) ? 0.1 : (bps_ratio > 3.5) ? 3.5 : bps_ratio;


    cmd->dw16.deviation_threshold_0_pand_b = (unsigned int)(-50 * pow(0.90, bps_ratio));
    cmd->dw16.deviation_threshold_1_pand_b = (unsigned int)(-50 * pow(0.66, bps_ratio));
    cmd->dw16.deviation_threshold_2_pand_b = (unsigned int)(-50 * pow(0.46, bps_ratio));
    cmd->dw16.deviation_threshold_3_pand_b = (unsigned int)(-50 * pow(0.3, bps_ratio));
    cmd->dw17.deviation_threshold_4_pand_b = (unsigned int)(50 *  pow(0.3, bps_ratio));
    cmd->dw17.deviation_threshold_5_pand_b = (unsigned int)(50 * pow(0.46, bps_ratio));
    cmd->dw17.deviation_threshold_6_pand_b = (unsigned int)(50 * pow(0.7,  bps_ratio));
    cmd->dw17.deviation_threshold_7_pand_b = (unsigned int)(50 * pow(0.9,  bps_ratio));
    cmd->dw18.deviation_threshold_0_vbr = (unsigned int)(-50 * pow(0.9, bps_ratio));
    cmd->dw18.deviation_threshold_1_vbr = (unsigned int)(-50 * pow(0.7, bps_ratio));
    cmd->dw18.deviation_threshold_2_vbr = (unsigned int)(-50 * pow(0.5, bps_ratio));
    cmd->dw18.deviation_threshold_3_vbr = (unsigned int)(-50 * pow(0.3, bps_ratio));
    cmd->dw19.deviation_threshold_4_vbr = (unsigned int)(100 * pow(0.4, bps_ratio));
    cmd->dw19.deviation_threshold_5_vbr = (unsigned int)(100 * pow(0.5, bps_ratio));
    cmd->dw19.deviation_threshold_6_vbr = (unsigned int)(100 * pow(0.75, bps_ratio));
    cmd->dw19.deviation_threshold_7_vbr = (unsigned int)(100 * pow(0.9, bps_ratio));
    cmd->dw20.deviation_threshold_0_i = (unsigned int)(-50 * pow(0.8, bps_ratio));
    cmd->dw20.deviation_threshold_1_i = (unsigned int)(-50 * pow(0.6, bps_ratio));
    cmd->dw20.deviation_threshold_2_i = (unsigned int)(-50 * pow(0.34, bps_ratio));
    cmd->dw20.deviation_threshold_3_i = (unsigned int)(-50 * pow(0.2, bps_ratio));
    cmd->dw21.deviation_threshold_4_i = (unsigned int)(50 * pow(0.2,  bps_ratio));
    cmd->dw21.deviation_threshold_5_i = (unsigned int)(50 * pow(0.4,  bps_ratio));
    cmd->dw21.deviation_threshold_6_i = (unsigned int)(50 * pow(0.66, bps_ratio));
    cmd->dw21.deviation_threshold_7_i = (unsigned int)(50 * pow(0.9,  bps_ratio));

    cmd->dw22.sliding_window_size = generic_state->frames_per_window_size;

    i965_gpe_context_unmap_curbe(gpe_context);

    return;
}

static void
gen9_avc_send_surface_brc_init_reset(VADriverContextP ctx,
                                     struct encode_state *encode_state,
                                     struct i965_gpe_context *gpe_context,
                                     struct intel_encoder_context *encoder_context,
                                     void * param_mbenc)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;

    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                &avc_ctx->res_brc_history_buffer,
                                0,
                                avc_ctx->res_brc_history_buffer.size,
                                0,
                                GEN9_AVC_BRC_INIT_RESET_HISTORY_INDEX);

    i965_add_buffer_2d_gpe_surface(ctx,
                                   gpe_context,
                                   &avc_ctx->res_brc_dist_data_surface,
                                   1,
                                   I965_SURFACEFORMAT_R8_UNORM,
                                   GEN9_AVC_BRC_INIT_RESET_DISTORTION_INDEX);

    return;
}

static VAStatus
gen9_avc_kernel_brc_init_reset(VADriverContextP ctx,
                               struct encode_state *encode_state,
                               struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;

    struct i965_gpe_context *gpe_context;
    struct gpe_media_object_parameter media_object_param;
    struct gpe_media_object_inline_data media_object_inline_data;
    int media_function = 0;
    int kernel_idx = GEN9_AVC_KERNEL_BRC_INIT;

    media_function = INTEL_MEDIA_STATE_BRC_INIT_RESET;

    if (generic_state->brc_inited)
        kernel_idx = GEN9_AVC_KERNEL_BRC_RESET;

    gpe_context = &(avc_ctx->context_brc.gpe_contexts[kernel_idx]);

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    generic_ctx->pfn_set_curbe_brc_init_reset(ctx, encode_state, gpe_context, encoder_context, NULL);

    generic_ctx->pfn_send_brc_init_reset_surface(ctx, encode_state, gpe_context, encoder_context, NULL);

    gpe->setup_interface_data(ctx, gpe_context);

    memset(&media_object_param, 0, sizeof(media_object_param));
    memset(&media_object_inline_data, 0, sizeof(media_object_inline_data));
    media_object_param.pinline_data = &media_object_inline_data;
    media_object_param.inline_size = sizeof(media_object_inline_data);

    gen9_avc_run_kernel_media_object(ctx, encoder_context,
                                     gpe_context,
                                     media_function,
                                     &media_object_param);

    return VA_STATUS_SUCCESS;
}

static void
gen9_avc_set_curbe_brc_frame_update(VADriverContextP ctx,
                                    struct encode_state *encode_state,
                                    struct i965_gpe_context *gpe_context,
                                    struct intel_encoder_context *encoder_context,
                                    void * param)
{
    gen9_avc_frame_brc_update_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct object_surface *obj_surface;
    struct gen9_surface_avc *avc_priv_surface;
    struct avc_param common_param;
    VAEncSequenceParameterBufferH264 * seq_param = avc_state->seq_param;

    obj_surface = encode_state->reconstructed_object;

    if (!obj_surface || !obj_surface->private_data)
        return;
    avc_priv_surface = obj_surface->private_data;

    cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!cmd)
        return;

    memcpy(cmd, &gen9_avc_frame_brc_update_curbe_init_data, sizeof(gen9_avc_frame_brc_update_curbe_data));

    cmd->dw5.target_size_flag = 0 ;
    if (generic_state->brc_init_current_target_buf_full_in_bits > (double)generic_state->brc_init_reset_buf_size_in_bits) {
        /*overflow*/
        generic_state->brc_init_current_target_buf_full_in_bits -= (double)generic_state->brc_init_reset_buf_size_in_bits;
        cmd->dw5.target_size_flag = 1 ;
    }

    if (generic_state->skip_frame_enbale) {
        cmd->dw6.num_skip_frames = generic_state->num_skip_frames ;
        cmd->dw7.size_skip_frames = generic_state->size_skip_frames;

        generic_state->brc_init_current_target_buf_full_in_bits += generic_state->brc_init_reset_input_bits_per_frame * generic_state->num_skip_frames;

    }
    cmd->dw0.target_size = (unsigned int)generic_state->brc_init_current_target_buf_full_in_bits ;
    cmd->dw1.frame_number = generic_state->seq_frame_number ;
    cmd->dw2.size_of_pic_headers = generic_state->herder_bytes_inserted << 3 ;
    cmd->dw5.cur_frame_type = generic_state->frame_type ;
    cmd->dw5.brc_flag = 0 ;
    cmd->dw5.brc_flag |= (avc_priv_surface->is_as_ref) ? INTEL_ENCODE_BRCUPDATE_IS_REFERENCE : 0 ;

    if (avc_state->multi_pre_enable) {
        cmd->dw5.brc_flag  |= INTEL_ENCODE_BRCUPDATE_IS_ACTUALQP ;
        cmd->dw14.qp_index_of_cur_pic = avc_priv_surface->frame_idx ; //do not know this. use -1
    }

    cmd->dw5.max_num_paks = generic_state->num_pak_passes ;
    if (avc_state->min_max_qp_enable) {
        switch (generic_state->frame_type) {
        case SLICE_TYPE_I:
            cmd->dw6.minimum_qp = avc_state->min_qp_i ;
            cmd->dw6.maximum_qp = avc_state->max_qp_i ;
            break;
        case SLICE_TYPE_P:
            cmd->dw6.minimum_qp = avc_state->min_qp_p ;
            cmd->dw6.maximum_qp = avc_state->max_qp_p ;
            break;
        case SLICE_TYPE_B:
            cmd->dw6.minimum_qp = avc_state->min_qp_b ;
            cmd->dw6.maximum_qp = avc_state->max_qp_b ;
            break;
        }
    } else {
        cmd->dw6.minimum_qp = 0 ;
        cmd->dw6.maximum_qp = 0 ;
    }
    cmd->dw6.enable_force_skip = avc_state->enable_force_skip ;
    cmd->dw6.enable_sliding_window = 0 ;

    generic_state->brc_init_current_target_buf_full_in_bits += generic_state->brc_init_reset_input_bits_per_frame;

    if (generic_state->internal_rate_mode == INTEL_BRC_AVBR) {
        cmd->dw3.start_gadj_frame0 = (unsigned int)((10 *   generic_state->avbr_convergence) / (double)150);
        cmd->dw3.start_gadj_frame1 = (unsigned int)((50 *   generic_state->avbr_convergence) / (double)150);
        cmd->dw4.start_gadj_frame2 = (unsigned int)((100 *  generic_state->avbr_convergence) / (double)150);
        cmd->dw4.start_gadj_frame3 = (unsigned int)((150 *  generic_state->avbr_convergence) / (double)150);
        cmd->dw11.g_rate_ratio_threshold_0 = (unsigned int)((100 - (generic_state->avbr_curracy / (double)30) * (100 - 40)));
        cmd->dw11.g_rate_ratio_threshold_1 = (unsigned int)((100 - (generic_state->avbr_curracy / (double)30) * (100 - 75)));
        cmd->dw12.g_rate_ratio_threshold_2 = (unsigned int)((100 - (generic_state->avbr_curracy / (double)30) * (100 - 97)));
        cmd->dw12.g_rate_ratio_threshold_3 = (unsigned int)((100 + (generic_state->avbr_curracy / (double)30) * (103 - 100)));
        cmd->dw12.g_rate_ratio_threshold_4 = (unsigned int)((100 + (generic_state->avbr_curracy / (double)30) * (125 - 100)));
        cmd->dw12.g_rate_ratio_threshold_5 = (unsigned int)((100 + (generic_state->avbr_curracy / (double)30) * (160 - 100)));

    }
    cmd->dw15.enable_roi = generic_state->brc_roi_enable ;

    memset(&common_param, 0, sizeof(common_param));
    common_param.frame_width_in_pixel = generic_state->frame_width_in_pixel;
    common_param.frame_height_in_pixel = generic_state->frame_height_in_pixel;
    common_param.frame_width_in_mbs = generic_state->frame_width_in_mbs;
    common_param.frame_height_in_mbs = generic_state->frame_height_in_mbs;
    common_param.frames_per_100s = generic_state->frames_per_100s;
    common_param.vbv_buffer_size_in_bit = generic_state->vbv_buffer_size_in_bit;
    common_param.target_bit_rate = generic_state->target_bit_rate;

    cmd->dw19.user_max_frame = i965_avc_get_profile_level_max_frame(&common_param, seq_param->level_idc);
    i965_gpe_context_unmap_curbe(gpe_context);

    return;
}

static void
gen9_avc_send_surface_brc_frame_update(VADriverContextP ctx,
                                       struct encode_state *encode_state,
                                       struct i965_gpe_context *gpe_context,
                                       struct intel_encoder_context *encoder_context,
                                       void * param_brc)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct brc_param * param = (struct brc_param *)param_brc ;
    struct i965_gpe_context * gpe_context_mbenc = param->gpe_context_mbenc;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    unsigned char is_g95 = 0;

    if (IS_SKL(i965->intel.device_info) ||
        IS_BXT(i965->intel.device_info) ||
        IS_GEN8(i965->intel.device_info))
        is_g95 = 0;
    else if (IS_KBL(i965->intel.device_info) ||
             IS_GEN10(i965->intel.device_info) ||
             IS_GLK(i965->intel.device_info))
        is_g95 = 1;

    /* brc history buffer*/
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                &avc_ctx->res_brc_history_buffer,
                                0,
                                avc_ctx->res_brc_history_buffer.size,
                                0,
                                (is_g95 ? GEN95_AVC_FRAME_BRC_UPDATE_HISTORY_INDEX : GEN9_AVC_FRAME_BRC_UPDATE_HISTORY_INDEX));

    /* previous pak buffer*/
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                &avc_ctx->res_brc_pre_pak_statistics_output_buffer,
                                0,
                                avc_ctx->res_brc_pre_pak_statistics_output_buffer.size,
                                0,
                                (is_g95 ? GEN95_AVC_FRAME_BRC_UPDATE_PAK_STATISTICS_OUTPUT_INDEX : GEN9_AVC_FRAME_BRC_UPDATE_PAK_STATISTICS_OUTPUT_INDEX));

    /* image state command buffer read only*/
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                &avc_ctx->res_brc_image_state_read_buffer,
                                0,
                                avc_ctx->res_brc_image_state_read_buffer.size,
                                0,
                                (is_g95 ? GEN95_AVC_FRAME_BRC_UPDATE_IMAGE_STATE_READ_INDEX : GEN9_AVC_FRAME_BRC_UPDATE_IMAGE_STATE_READ_INDEX));

    /* image state command buffer write only*/
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                &avc_ctx->res_brc_image_state_write_buffer,
                                0,
                                avc_ctx->res_brc_image_state_write_buffer.size,
                                0,
                                (is_g95 ? GEN95_AVC_FRAME_BRC_UPDATE_IMAGE_STATE_WRITE_INDEX : GEN9_AVC_FRAME_BRC_UPDATE_IMAGE_STATE_WRITE_INDEX));

    if (avc_state->mbenc_brc_buffer_size > 0) {
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    &(avc_ctx->res_mbenc_brc_buffer),
                                    0,
                                    avc_ctx->res_mbenc_brc_buffer.size,
                                    0,
                                    GEN95_AVC_FRAME_BRC_UPDATE_MBENC_CURBE_WRITE_INDEX);
    } else {
        /*  Mbenc curbe input buffer */
        gen9_add_dri_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        gpe_context_mbenc->dynamic_state.bo,
                                        0,
                                        ALIGN(gpe_context_mbenc->curbe.length, 64),
                                        gpe_context_mbenc->curbe.offset,
                                        GEN9_AVC_FRAME_BRC_UPDATE_MBENC_CURBE_READ_INDEX);
        /* Mbenc curbe output buffer */
        gen9_add_dri_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        gpe_context_mbenc->dynamic_state.bo,
                                        0,
                                        ALIGN(gpe_context_mbenc->curbe.length, 64),
                                        gpe_context_mbenc->curbe.offset,
                                        GEN9_AVC_FRAME_BRC_UPDATE_MBENC_CURBE_WRITE_INDEX);
    }

    /* AVC_ME Distortion 2D surface buffer,input/output. is it res_brc_dist_data_surface*/
    i965_add_buffer_2d_gpe_surface(ctx,
                                   gpe_context,
                                   &avc_ctx->res_brc_dist_data_surface,
                                   1,
                                   I965_SURFACEFORMAT_R8_UNORM,
                                   (is_g95 ? GEN95_AVC_FRAME_BRC_UPDATE_DISTORTION_INDEX : GEN9_AVC_FRAME_BRC_UPDATE_DISTORTION_INDEX));

    /* BRC const data 2D surface buffer */
    i965_add_buffer_2d_gpe_surface(ctx,
                                   gpe_context,
                                   &avc_ctx->res_brc_const_data_buffer,
                                   1,
                                   I965_SURFACEFORMAT_R8_UNORM,
                                   (is_g95 ? GEN95_AVC_FRAME_BRC_UPDATE_CONSTANT_DATA_INDEX : GEN9_AVC_FRAME_BRC_UPDATE_CONSTANT_DATA_INDEX));

    /* MB statistical data surface*/
    if (!IS_GEN8(i965->intel.device_info)) {
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    &avc_ctx->res_mb_status_buffer,
                                    0,
                                    avc_ctx->res_mb_status_buffer.size,
                                    0,
                                    (is_g95 ? GEN95_AVC_FRAME_BRC_UPDATE_MB_STATUS_INDEX : GEN9_AVC_FRAME_BRC_UPDATE_MB_STATUS_INDEX));
    } else {
        i965_add_buffer_2d_gpe_surface(ctx,
                                       gpe_context,
                                       &avc_ctx->res_mbbrc_mb_qp_data_surface,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_FRAME_BRC_UPDATE_MB_STATUS_INDEX);
    }
    return;
}

static VAStatus
gen9_avc_kernel_brc_frame_update(VADriverContextP ctx,
                                 struct encode_state *encode_state,
                                 struct intel_encoder_context *encoder_context)

{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct i965_gpe_context *gpe_context = NULL;
    struct gpe_media_object_parameter media_object_param;
    struct gpe_media_object_inline_data media_object_inline_data;
    int media_function = 0;
    int kernel_idx = 0;
    unsigned int mb_const_data_buffer_in_use, mb_qp_buffer_in_use;
    unsigned int brc_enabled = 0;
    unsigned int roi_enable = (generic_state->num_roi > 0) ? 1 : 0;
    unsigned int dirty_roi_enable = ((generic_state->dirty_num_roi > 0) && (generic_state->frame_type == SLICE_TYPE_P) && (0));

    /* the following set the mbenc curbe*/
    struct mbenc_param curbe_mbenc_param ;
    struct brc_param curbe_brc_param ;

    mb_const_data_buffer_in_use =
        generic_state->mb_brc_enabled ||
        roi_enable ||
        dirty_roi_enable ||
        avc_state->mb_qp_data_enable ||
        avc_state->rolling_intra_refresh_enable;
    mb_qp_buffer_in_use =
        generic_state->mb_brc_enabled ||
        generic_state->brc_roi_enable ||
        avc_state->mb_qp_data_enable;

    switch (generic_state->kernel_mode) {
    case INTEL_ENC_KERNEL_NORMAL : {
        kernel_idx = MBENC_KERNEL_BASE + GEN9_AVC_KERNEL_MBENC_NORMAL_I;
        break;
    }
    case INTEL_ENC_KERNEL_PERFORMANCE : {
        kernel_idx = MBENC_KERNEL_BASE + GEN9_AVC_KERNEL_MBENC_PERFORMANCE_I;
        break;
    }
    case INTEL_ENC_KERNEL_QUALITY : {
        kernel_idx = MBENC_KERNEL_BASE + GEN9_AVC_KERNEL_MBENC_QUALITY_I;
        break;
    }
    default:
        assert(0);

    }

    if (generic_state->frame_type == SLICE_TYPE_P) {
        kernel_idx += 1;
    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        kernel_idx += 2;
    }

    gpe_context = &(avc_ctx->context_mbenc.gpe_contexts[kernel_idx]);
    gpe->context_init(ctx, gpe_context);

    memset(&curbe_mbenc_param, 0, sizeof(struct mbenc_param));

    curbe_mbenc_param.mb_const_data_buffer_in_use = mb_const_data_buffer_in_use;
    curbe_mbenc_param.mb_qp_buffer_in_use = mb_qp_buffer_in_use;
    curbe_mbenc_param.mbenc_i_frame_dist_in_use = 0;
    curbe_mbenc_param.brc_enabled = brc_enabled;
    curbe_mbenc_param.roi_enabled = roi_enable;

    /* set curbe mbenc*/
    generic_ctx->pfn_set_curbe_mbenc(ctx, encode_state, gpe_context, encoder_context, &curbe_mbenc_param);

    // gen95 set curbe out of the brc. gen9 do it here
    avc_state->mbenc_curbe_set_in_brc_update = !avc_state->decouple_mbenc_curbe_from_brc_enable;
    /*begin brc frame update*/
    memset(&curbe_brc_param, 0, sizeof(struct brc_param));
    curbe_brc_param.gpe_context_mbenc = gpe_context;
    media_function = INTEL_MEDIA_STATE_BRC_UPDATE;
    kernel_idx = GEN9_AVC_KERNEL_BRC_FRAME_UPDATE;
    gpe_context = &(avc_ctx->context_brc.gpe_contexts[kernel_idx]);
    curbe_brc_param.gpe_context_brc_frame_update = gpe_context;

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);
    /*brc copy ignored*/

    /* set curbe frame update*/
    generic_ctx->pfn_set_curbe_brc_frame_update(ctx, encode_state, gpe_context, encoder_context, &curbe_brc_param);

    /* load brc constant data, is it same as mbenc mb brc constant data? no.*/
    if (avc_state->multi_pre_enable) {
        gen9_avc_init_brc_const_data(ctx, encode_state, encoder_context);
    } else {
        gen9_avc_init_brc_const_data_old(ctx, encode_state, encoder_context);
    }
    /* image state construct*/
    if (IS_GEN8(i965->intel.device_info)) {
        gen8_avc_set_image_state(ctx, encode_state, encoder_context, &(avc_ctx->res_brc_image_state_read_buffer));
    } else {
        gen9_avc_set_image_state(ctx, encode_state, encoder_context, &(avc_ctx->res_brc_image_state_read_buffer));
    }
    /* set surface frame mbenc*/
    generic_ctx->pfn_send_brc_frame_update_surface(ctx, encode_state, gpe_context, encoder_context, &curbe_brc_param);


    gpe->setup_interface_data(ctx, gpe_context);

    memset(&media_object_param, 0, sizeof(media_object_param));
    memset(&media_object_inline_data, 0, sizeof(media_object_inline_data));
    media_object_param.pinline_data = &media_object_inline_data;
    media_object_param.inline_size = sizeof(media_object_inline_data);

    gen9_avc_run_kernel_media_object(ctx, encoder_context,
                                     gpe_context,
                                     media_function,
                                     &media_object_param);

    return VA_STATUS_SUCCESS;
}

static void
gen9_avc_set_curbe_brc_mb_update(VADriverContextP ctx,
                                 struct encode_state *encode_state,
                                 struct i965_gpe_context *gpe_context,
                                 struct intel_encoder_context *encoder_context,
                                 void * param)
{
    gen9_avc_mb_brc_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;

    cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!cmd)
        return;

    memset(cmd, 0, sizeof(gen9_avc_mb_brc_curbe_data));

    cmd->dw0.cur_frame_type = generic_state->frame_type;
    if (generic_state->brc_roi_enable) {
        cmd->dw0.enable_roi = 1;
    } else {
        cmd->dw0.enable_roi = 0;
    }

    i965_gpe_context_unmap_curbe(gpe_context);

    return;
}

static void
gen9_avc_send_surface_brc_mb_update(VADriverContextP ctx,
                                    struct encode_state *encode_state,
                                    struct i965_gpe_context *gpe_context,
                                    struct intel_encoder_context *encoder_context,
                                    void * param_mbenc)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;

    /* brc history buffer*/
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                &avc_ctx->res_brc_history_buffer,
                                0,
                                avc_ctx->res_brc_history_buffer.size,
                                0,
                                GEN9_AVC_MB_BRC_UPDATE_HISTORY_INDEX);

    /* MB qp data buffer is it same as res_mbbrc_mb_qp_data_surface*/
    if (generic_state->mb_brc_enabled) {
        i965_add_buffer_2d_gpe_surface(ctx,
                                       gpe_context,
                                       &avc_ctx->res_mbbrc_mb_qp_data_surface,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_MB_BRC_UPDATE_MB_QP_INDEX);

    }

    /* BRC roi feature*/
    if (generic_state->brc_roi_enable) {
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    &avc_ctx->res_mbbrc_roi_surface,
                                    0,
                                    avc_ctx->res_mbbrc_roi_surface.size,
                                    0,
                                    GEN9_AVC_MB_BRC_UPDATE_ROI_INDEX);

    }

    /* MB statistical data surface*/
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                &avc_ctx->res_mb_status_buffer,
                                0,
                                avc_ctx->res_mb_status_buffer.size,
                                0,
                                GEN9_AVC_MB_BRC_UPDATE_MB_STATUS_INDEX);

    return;
}

static VAStatus
gen9_avc_kernel_brc_mb_update(VADriverContextP ctx,
                              struct encode_state *encode_state,
                              struct intel_encoder_context *encoder_context)

{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;

    struct i965_gpe_context *gpe_context;
    struct gpe_media_object_walker_parameter media_object_walker_param;
    struct gpe_encoder_kernel_walker_parameter kernel_walker_param;
    int media_function = 0;
    int kernel_idx = 0;

    media_function = INTEL_MEDIA_STATE_MB_BRC_UPDATE;
    kernel_idx = GEN9_AVC_KERNEL_BRC_MB_UPDATE;
    gpe_context = &(avc_ctx->context_brc.gpe_contexts[kernel_idx]);

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    /* set curbe brc mb update*/
    generic_ctx->pfn_set_curbe_brc_mb_update(ctx, encode_state, gpe_context, encoder_context, NULL);


    /* set surface brc mb update*/
    generic_ctx->pfn_send_brc_mb_update_surface(ctx, encode_state, gpe_context, encoder_context, NULL);


    gpe->setup_interface_data(ctx, gpe_context);

    memset(&kernel_walker_param, 0, sizeof(kernel_walker_param));
    /* the scaling is based on 8x8 blk level */
    kernel_walker_param.resolution_x = (generic_state->frame_width_in_mbs + 1) / 2;
    kernel_walker_param.resolution_y = (generic_state->frame_height_in_mbs + 1) / 2 ;
    kernel_walker_param.no_dependency = 1;

    i965_init_media_object_walker_parameter(&kernel_walker_param, &media_object_walker_param);

    gen9_avc_run_kernel_media_object_walker(ctx, encoder_context,
                                            gpe_context,
                                            media_function,
                                            &media_object_walker_param);

    return VA_STATUS_SUCCESS;
}

/*
mbenc kernel related function,it include intra dist kernel
*/
static int
gen9_avc_get_biweight(int dist_scale_factor_ref_id0_list0, unsigned short weighted_bipredidc)
{
    int biweight = 32;      // default value

    /* based on kernel HLD*/
    if (weighted_bipredidc != INTEL_AVC_WP_MODE_IMPLICIT) {
        biweight = 32;
    } else {
        biweight = (dist_scale_factor_ref_id0_list0 + 2) >> 2;

        if (biweight != 16 && biweight != 21 &&
            biweight != 32 && biweight != 43 && biweight != 48) {
            biweight = 32;        // If # of B-pics between two refs is more than 3. VME does not support it.
        }
    }

    return biweight;
}

static void
gen9_avc_get_dist_scale_factor(VADriverContextP ctx,
                               struct encode_state *encode_state,
                               struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;

    int max_num_references;
    VAPictureH264 *curr_pic;
    VAPictureH264 *ref_pic_l0;
    VAPictureH264 *ref_pic_l1;
    int i = 0;
    int tb = 0;
    int td = 0;
    int tx = 0;
    int tmp = 0;
    int poc0 = 0;
    int poc1 = 0;

    max_num_references = pic_param->num_ref_idx_l0_active_minus1 + 1;

    memset(avc_state->dist_scale_factor_list0, 0, 32 * sizeof(unsigned int));
    curr_pic = &pic_param->CurrPic;
    for (i = 0; i < max_num_references; i++) {
        ref_pic_l0 = &(slice_param->RefPicList0[i]);

        if ((ref_pic_l0->flags & VA_PICTURE_H264_INVALID) ||
            (ref_pic_l0->picture_id == VA_INVALID_SURFACE))
            break;
        ref_pic_l1 = &(slice_param->RefPicList1[0]);
        if ((ref_pic_l0->flags & VA_PICTURE_H264_INVALID) ||
            (ref_pic_l0->picture_id == VA_INVALID_SURFACE))
            break;

        poc0 = (curr_pic->TopFieldOrderCnt - ref_pic_l0->TopFieldOrderCnt);
        poc1 = (ref_pic_l1->TopFieldOrderCnt - ref_pic_l0->TopFieldOrderCnt);
        CLIP(poc0, -128, 127);
        CLIP(poc1, -128, 127);
        tb = poc0;
        td = poc1;

        if (td == 0) {
            td = 1;
        }
        tmp = (td / 2 > 0) ? (td / 2) : (-(td / 2));
        tx = (16384 + tmp) / td ;
        tmp = (tb * tx + 32) >> 6;
        CLIP(tmp, -1024, 1023);
        avc_state->dist_scale_factor_list0[i] = tmp;
    }
    return;
}

static unsigned int
gen9_avc_get_qp_from_ref_list(VADriverContextP ctx,
                              VAEncSliceParameterBufferH264 *slice_param,
                              int list,
                              int ref_frame_idx)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct object_surface *obj_surface;
    struct gen9_surface_avc *avc_priv_surface;
    VASurfaceID surface_id;

    assert(slice_param);
    assert(list < 2);

    if (list == 0) {
        if (ref_frame_idx < slice_param->num_ref_idx_l0_active_minus1 + 1)
            surface_id = slice_param->RefPicList0[ref_frame_idx].picture_id;
        else
            return 0;
    } else {
        if (ref_frame_idx < slice_param->num_ref_idx_l1_active_minus1 + 1)
            surface_id = slice_param->RefPicList1[ref_frame_idx].picture_id;
        else
            return 0;
    }
    obj_surface = SURFACE(surface_id);
    if (obj_surface && obj_surface->private_data) {
        avc_priv_surface = obj_surface->private_data;
        return avc_priv_surface->qp_value;
    } else {
        return 0;
    }
}

static void
gen9_avc_load_mb_brc_const_data(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct i965_gpe_resource *gpe_resource = NULL;
    unsigned int * data = NULL;
    unsigned int * data_tmp = NULL;
    unsigned int size = 16 * 52;
    unsigned int table_idx = 0;
    unsigned int block_based_skip_enable = avc_state->block_based_skip_enable;
    unsigned int transform_8x8_mode_flag = avc_state->transform_8x8_mode_enable;
    int i = 0;

    gpe_resource = &(avc_ctx->res_mbbrc_const_data_buffer);
    assert(gpe_resource);
    data = i965_map_gpe_resource(gpe_resource);
    assert(data);

    table_idx = slice_type_kernel[generic_state->frame_type];

    memcpy(data, gen9_avc_mb_brc_const_data[table_idx][0], size * sizeof(unsigned int));

    data_tmp = data;

    switch (generic_state->frame_type) {
    case SLICE_TYPE_I:
        for (i = 0; i < AVC_QP_MAX ; i++) {
            if (avc_state->old_mode_cost_enable)
                *data = (unsigned int)gen9_avc_old_intra_mode_cost[i];
            data += 16;
        }
        break;
    case SLICE_TYPE_P:
    case SLICE_TYPE_B:
        for (i = 0; i < AVC_QP_MAX ; i++) {
            if (generic_state->frame_type == SLICE_TYPE_P) {
                if (avc_state->skip_bias_adjustment_enable)
                    *(data + 3) = (unsigned int)gen9_avc_mv_cost_p_skip_adjustment[i];
            }
            if (avc_state->non_ftq_skip_threshold_lut_input_enable) {
                *(data + 9) = (unsigned int)i965_avc_calc_skip_value(block_based_skip_enable, transform_8x8_mode_flag, avc_state->non_ftq_skip_threshold_lut[i]);
            } else if (generic_state->frame_type == SLICE_TYPE_P) {
                *(data + 9) = (unsigned int)gen9_avc_skip_value_p[block_based_skip_enable][transform_8x8_mode_flag][i];
            } else {
                *(data + 9) = (unsigned int)gen9_avc_skip_value_b[block_based_skip_enable][transform_8x8_mode_flag][i];
            }

            if (avc_state->adaptive_intra_scaling_enable) {
                *(data + 10) = (unsigned int)gen9_avc_adaptive_intra_scaling_factor[i];
            } else {
                *(data + 10) = (unsigned int)gen9_avc_intra_scaling_factor[i];

            }
            data += 16;

        }
        break;
    default:
        assert(0);
    }

    data = data_tmp;
    for (i = 0; i < AVC_QP_MAX ; i++) {
        if (avc_state->ftq_skip_threshold_lut_input_enable) {
            *(data + 6) = (avc_state->ftq_skip_threshold_lut[i] |
                           (avc_state->ftq_skip_threshold_lut[i] << 16) |
                           (avc_state->ftq_skip_threshold_lut[i] << 24));
            *(data + 7) = (avc_state->ftq_skip_threshold_lut[i] |
                           (avc_state->ftq_skip_threshold_lut[i] << 8) |
                           (avc_state->ftq_skip_threshold_lut[i] << 16) |
                           (avc_state->ftq_skip_threshold_lut[i] << 24));
        }

        if (avc_state->kernel_trellis_enable) {
            *(data + 11) = (unsigned int)avc_state->lamda_value_lut[i][0];
            *(data + 12) = (unsigned int)avc_state->lamda_value_lut[i][1];

        }
        data += 16;

    }
    i965_unmap_gpe_resource(gpe_resource);
}

static void
gen9_avc_set_curbe_mbenc(VADriverContextP ctx,
                         struct encode_state *encode_state,
                         struct i965_gpe_context *gpe_context,
                         struct intel_encoder_context *encoder_context,
                         void * param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    union {
        gen9_avc_mbenc_curbe_data *g9;
        gen95_avc_mbenc_curbe_data *g95;
    } cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;
    VASurfaceID surface_id;
    struct object_surface *obj_surface;

    struct mbenc_param * curbe_param = (struct mbenc_param *)param ;
    unsigned char qp = 0;
    unsigned char me_method = 0;
    unsigned int mbenc_i_frame_dist_in_use = curbe_param->mbenc_i_frame_dist_in_use;
    unsigned int table_idx = 0;
    unsigned char is_g9 = 0;
    unsigned char is_g95 = 0;
    unsigned int curbe_size = 0;

    unsigned int preset = generic_state->preset;
    if (IS_SKL(i965->intel.device_info) ||
        IS_BXT(i965->intel.device_info)) {
        cmd.g9 = (gen9_avc_mbenc_curbe_data *)i965_gpe_context_map_curbe(gpe_context);
        if (!cmd.g9)
            return;
        is_g9 = 1;
        curbe_size = sizeof(gen9_avc_mbenc_curbe_data);
        memset(cmd.g9, 0, curbe_size);

        if (mbenc_i_frame_dist_in_use) {
            memcpy(cmd.g9, gen9_avc_mbenc_curbe_i_frame_dist_init_data, curbe_size);

        } else {
            switch (generic_state->frame_type) {
            case SLICE_TYPE_I:
                memcpy(cmd.g9, gen9_avc_mbenc_curbe_normal_i_frame_init_data, curbe_size);
                break;
            case SLICE_TYPE_P:
                memcpy(cmd.g9, gen9_avc_mbenc_curbe_normal_p_frame_init_data, curbe_size);
                break;
            case SLICE_TYPE_B:
                memcpy(cmd.g9, gen9_avc_mbenc_curbe_normal_b_frame_init_data, curbe_size);
                break;
            default:
                assert(0);
            }

        }
    } else if (IS_KBL(i965->intel.device_info) ||
               IS_GEN10(i965->intel.device_info) ||
               IS_GLK(i965->intel.device_info)) {
        cmd.g95 = (gen95_avc_mbenc_curbe_data *)i965_gpe_context_map_curbe(gpe_context);
        if (!cmd.g95)
            return;
        is_g95 = 1;
        curbe_size = sizeof(gen95_avc_mbenc_curbe_data);
        memset(cmd.g9, 0, curbe_size);

        if (mbenc_i_frame_dist_in_use) {
            memcpy(cmd.g95, gen95_avc_mbenc_curbe_i_frame_dist_init_data, curbe_size);

        } else {
            switch (generic_state->frame_type) {
            case SLICE_TYPE_I:
                memcpy(cmd.g95, gen95_avc_mbenc_curbe_normal_i_frame_init_data, curbe_size);
                break;
            case SLICE_TYPE_P:
                memcpy(cmd.g95, gen95_avc_mbenc_curbe_normal_p_frame_init_data, curbe_size);
                break;
            case SLICE_TYPE_B:
                memcpy(cmd.g95, gen95_avc_mbenc_curbe_normal_b_frame_init_data, curbe_size);
                break;
            default:
                assert(0);
            }

        }
    } else {
        /* Never get here, just silence a gcc warning */
        assert(0);

        return;
    }

    me_method = (generic_state->frame_type == SLICE_TYPE_B) ? gen9_avc_b_me_method[preset] : gen9_avc_p_me_method[preset];
    qp = pic_param->pic_init_qp + slice_param->slice_qp_delta;

    cmd.g9->dw0.adaptive_enable = gen9_avc_enable_adaptive_search[preset];
    cmd.g9->dw37.adaptive_enable = gen9_avc_enable_adaptive_search[preset];
    cmd.g9->dw0.t8x8_flag_for_inter_enable = avc_state->transform_8x8_mode_enable;
    cmd.g9->dw37.t8x8_flag_for_inter_enable = avc_state->transform_8x8_mode_enable;

    cmd.g9->dw2.max_len_sp = gen9_avc_max_len_sp[preset];
    cmd.g9->dw38.max_len_sp = 0;

    if (is_g95)
        cmd.g95->dw1.extended_mv_cost_range = avc_state->extended_mv_cost_range_enable;

    cmd.g9->dw3.src_access = 0;
    cmd.g9->dw3.ref_access = 0;

    if (avc_state->ftq_enable && (generic_state->frame_type != SLICE_TYPE_I)) {
        //disable ftq_override by now.
        if (avc_state->ftq_override) {
            cmd.g9->dw3.ftq_enable = avc_state->ftq_enable;

        } else {
            // both gen9 and gen95 come here by now
            if (generic_state->frame_type == SLICE_TYPE_P) {
                cmd.g9->dw3.ftq_enable = gen9_avc_max_ftq_based_skip[preset] & 0x01;

            } else {
                cmd.g9->dw3.ftq_enable = (gen9_avc_max_ftq_based_skip[preset] >> 1) & 0x01;
            }
        }
    } else {
        cmd.g9->dw3.ftq_enable = 0;
    }

    if (avc_state->disable_sub_mb_partion)
        cmd.g9->dw3.sub_mb_part_mask = 0x7;

    if (mbenc_i_frame_dist_in_use) {
        cmd.g9->dw2.pitch_width = generic_state->downscaled_width_4x_in_mb;
        cmd.g9->dw4.picture_height_minus1 = generic_state->downscaled_height_4x_in_mb - 1;
        cmd.g9->dw5.slice_mb_height = (avc_state->slice_height + 4 - 1) / 4;
        cmd.g9->dw6.batch_buffer_end = 0;
        cmd.g9->dw31.intra_compute_type = 1;

    } else {
        cmd.g9->dw2.pitch_width = generic_state->frame_width_in_mbs;
        cmd.g9->dw4.picture_height_minus1 = generic_state->frame_height_in_mbs - 1;
        cmd.g9->dw5.slice_mb_height = (avc_state->arbitrary_num_mbs_in_slice) ? generic_state->frame_height_in_mbs : avc_state->slice_height;

        {
            memcpy(&(cmd.g9->dw8), gen9_avc_mode_mv_cost_table[slice_type_kernel[generic_state->frame_type]][qp], 8 * sizeof(unsigned int));
            if ((generic_state->frame_type == SLICE_TYPE_I) && avc_state->old_mode_cost_enable) {
            } else if (avc_state->skip_bias_adjustment_enable) {
                /* Load different MvCost for P picture when SkipBiasAdjustment is enabled
                // No need to check for P picture as the flag is only enabled for P picture */
                cmd.g9->dw11.value = gen9_avc_mv_cost_p_skip_adjustment[qp];

            }
        }

        table_idx = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 0;
        memcpy(&(cmd.g9->dw16), table_enc_search_path[table_idx][me_method], 16 * sizeof(unsigned int));
    }
    cmd.g9->dw4.enable_fbr_bypass = avc_state->fbr_bypass_enable;
    cmd.g9->dw4.enable_intra_cost_scaling_for_static_frame = avc_state->sfd_enable && generic_state->hme_enabled;
    cmd.g9->dw4.field_parity_flag = 0;//bottom field
    cmd.g9->dw4.enable_cur_fld_idr = 0;//field realted
    cmd.g9->dw4.contrained_intra_pred_flag = pic_param->pic_fields.bits.constrained_intra_pred_flag;
    cmd.g9->dw4.hme_enable = generic_state->hme_enabled;
    cmd.g9->dw4.picture_type = slice_type_kernel[generic_state->frame_type];
    cmd.g9->dw4.use_actual_ref_qp_value = generic_state->hme_enabled && (gen9_avc_mr_disable_qp_check[preset] == 0);


    cmd.g9->dw7.intra_part_mask = avc_state->transform_8x8_mode_enable ? 0 : 0x02;
    cmd.g9->dw7.src_field_polarity = 0;//field related

    /*ftq_skip_threshold_lut set,dw14 /15*/

    /*r5 disable NonFTQSkipThresholdLUT*/
    if (generic_state->frame_type == SLICE_TYPE_P) {
        cmd.g9->dw32.skip_val = gen9_avc_skip_value_p[avc_state->block_based_skip_enable][avc_state->transform_8x8_mode_enable][qp];

    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        cmd.g9->dw32.skip_val = gen9_avc_skip_value_b[avc_state->block_based_skip_enable][avc_state->transform_8x8_mode_enable][qp];

    }

    cmd.g9->dw13.qp_prime_y = qp;
    cmd.g9->dw13.qp_prime_cb = qp;
    cmd.g9->dw13.qp_prime_cr = qp;
    cmd.g9->dw13.target_size_in_word = 0xff;//hardcode for brc disable

    if ((generic_state->frame_type != SLICE_TYPE_I) && avc_state->multi_pre_enable) {
        switch (gen9_avc_multi_pred[preset]) {
        case 0:
            cmd.g9->dw32.mult_pred_l0_disable = 128;
            cmd.g9->dw32.mult_pred_l1_disable = 128;
            break;
        case 1:
            cmd.g9->dw32.mult_pred_l0_disable = (generic_state->frame_type == SLICE_TYPE_P) ? 1 : 128;
            cmd.g9->dw32.mult_pred_l1_disable = 128;
            break;
        case 2:
            cmd.g9->dw32.mult_pred_l0_disable = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 128;
            cmd.g9->dw32.mult_pred_l1_disable = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 128;
            break;
        case 3:
            cmd.g9->dw32.mult_pred_l0_disable = 1;
            cmd.g9->dw32.mult_pred_l1_disable = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 128;
            break;

        }

    } else {
        cmd.g9->dw32.mult_pred_l0_disable = 128;
        cmd.g9->dw32.mult_pred_l1_disable = 128;
    }

    /*field setting for dw33 34, ignored*/

    if (avc_state->adaptive_transform_decision_enable) {
        if (generic_state->frame_type != SLICE_TYPE_I) {
            if (is_g9) {
                cmd.g9->dw34.enable_adaptive_tx_decision = 1;
                cmd.g9->dw58.mb_texture_threshold = 1024;
                cmd.g9->dw58.tx_decision_threshold = 128;
            } else if (is_g95) {
                cmd.g95->dw34.enable_adaptive_tx_decision = 1;
                cmd.g95->dw60.mb_texture_threshold = 1024;
                cmd.g95->dw60.tx_decision_threshold = 128;
            }
        }
    }


    if (generic_state->frame_type == SLICE_TYPE_B) {
        cmd.g9->dw34.list1_ref_id0_frm_field_parity = 0; //frame only
        cmd.g9->dw34.list1_ref_id0_frm_field_parity = 0;
        cmd.g9->dw34.b_direct_mode = slice_param->direct_spatial_mv_pred_flag;
    }

    cmd.g9->dw34.b_original_bff = 0; //frame only
    cmd.g9->dw34.enable_mb_flatness_check_optimization = avc_state->flatness_check_enable;
    cmd.g9->dw34.roi_enable_flag = curbe_param->roi_enabled;
    cmd.g9->dw34.mad_enable_falg = avc_state->mad_enable;
    cmd.g9->dw34.mb_brc_enable = avc_state->mb_qp_data_enable || generic_state->mb_brc_enabled;
    cmd.g9->dw34.arbitray_num_mbs_per_slice = avc_state->arbitrary_num_mbs_in_slice;
    if (is_g95) {
        cmd.g95->dw34.tq_enable = avc_state->tq_enable;
        cmd.g95->dw34.cqp_flag = !generic_state->brc_enabled;
    }

    if (is_g9) {
        cmd.g9->dw34.force_non_skip_check = avc_state->mb_disable_skip_map_enable;

        if (cmd.g9->dw34.force_non_skip_check) {
            cmd.g9->dw34.disable_enc_skip_check = avc_state->skip_check_disable;
        }
    }


    cmd.g9->dw36.check_all_fractional_enable = avc_state->caf_enable;
    cmd.g9->dw38.ref_threshold = 400;
    cmd.g9->dw39.hme_ref_windows_comb_threshold = (generic_state->frame_type == SLICE_TYPE_B) ? gen9_avc_hme_b_combine_len[preset] : gen9_avc_hme_combine_len[preset];

    /* Default:2 used for MBBRC (MB QP Surface width and height are 4x downscaled picture in MB unit * 4  bytes)
       0 used for MBQP data surface (MB QP Surface width and height are same as the input picture size in MB unit * 1bytes)
       starting GEN9, BRC use split kernel, MB QP surface is same size as input picture */
    cmd.g9->dw47.mb_qp_read_factor = (avc_state->mb_qp_data_enable || generic_state->mb_brc_enabled) ? 0 : 2;

    if (mbenc_i_frame_dist_in_use) {
        cmd.g9->dw13.qp_prime_y = 0;
        cmd.g9->dw13.qp_prime_cb = 0;
        cmd.g9->dw13.qp_prime_cr = 0;
        cmd.g9->dw33.intra_16x16_nondc_penalty = 0;
        cmd.g9->dw33.intra_8x8_nondc_penalty = 0;
        cmd.g9->dw33.intra_4x4_nondc_penalty = 0;

    }
    if (cmd.g9->dw4.use_actual_ref_qp_value) {
        cmd.g9->dw44.actual_qp_value_for_ref_id0_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 0);
        cmd.g9->dw44.actual_qp_value_for_ref_id1_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 1);
        cmd.g9->dw44.actual_qp_value_for_ref_id2_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 2);
        cmd.g9->dw44.actual_qp_value_for_ref_id3_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 3);
        cmd.g9->dw45.actual_qp_value_for_ref_id4_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 4);
        cmd.g9->dw45.actual_qp_value_for_ref_id5_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 5);
        cmd.g9->dw45.actual_qp_value_for_ref_id6_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 6);
        cmd.g9->dw45.actual_qp_value_for_ref_id7_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 7);
        cmd.g9->dw46.actual_qp_value_for_ref_id0_list1 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 1, 0);
        cmd.g9->dw46.actual_qp_value_for_ref_id1_list1 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 1, 1);
    }

    table_idx = slice_type_kernel[generic_state->frame_type];
    cmd.g9->dw46.ref_cost = gen9_avc_ref_cost[table_idx][qp];

    if (generic_state->frame_type == SLICE_TYPE_I) {
        cmd.g9->dw0.skip_mode_enable = 0;
        cmd.g9->dw37.skip_mode_enable = 0;
        cmd.g9->dw36.hme_combine_overlap = 0;
        cmd.g9->dw47.intra_cost_sf = 16;
        cmd.g9->dw34.enable_direct_bias_adjustment = 0;
        if (is_g9)
            cmd.g9->dw34.enable_global_motion_bias_adjustment = 0;

    } else if (generic_state->frame_type == SLICE_TYPE_P) {
        cmd.g9->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(avc_state->seq_param->level_idc) / 2;
        cmd.g9->dw3.bme_disable_fbr = 1;
        cmd.g9->dw5.ref_width = gen9_avc_search_x[preset];
        cmd.g9->dw5.ref_height = gen9_avc_search_y[preset];
        cmd.g9->dw7.non_skip_zmv_added = 1;
        cmd.g9->dw7.non_skip_mode_added = 1;
        cmd.g9->dw7.skip_center_mask = 1;
        cmd.g9->dw47.intra_cost_sf = (avc_state->adaptive_intra_scaling_enable) ? gen9_avc_adaptive_intra_scaling_factor[qp] : gen9_avc_intra_scaling_factor[qp];
        cmd.g9->dw47.max_vmv_r = i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame onlys
        cmd.g9->dw36.hme_combine_overlap = 1;
        cmd.g9->dw36.num_ref_idx_l0_minus_one = (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l0_active_minus1 : 0;
        cmd.g9->dw39.ref_width = gen9_avc_search_x[preset];
        cmd.g9->dw39.ref_height = gen9_avc_search_y[preset];
        cmd.g9->dw34.enable_direct_bias_adjustment = 0;
        cmd.g9->dw34.enable_global_motion_bias_adjustment = avc_state->global_motion_bias_adjustment_enable;
        if (is_g9 && avc_state->global_motion_bias_adjustment_enable)
            cmd.g9->dw59.hme_mv_cost_scaling_factor = avc_state->hme_mv_cost_scaling_factor;

    } else {
        cmd.g9->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(avc_state->seq_param->level_idc) / 2;
        cmd.g9->dw1.bi_weight = avc_state->bi_weight;
        cmd.g9->dw3.search_ctrl = 7;
        cmd.g9->dw3.skip_type = 1;
        cmd.g9->dw5.ref_width = gen9_avc_b_search_x[preset];
        cmd.g9->dw5.ref_height = gen9_avc_b_search_y[preset];
        cmd.g9->dw7.skip_center_mask = 0xff;
        cmd.g9->dw47.intra_cost_sf = (avc_state->adaptive_intra_scaling_enable) ? gen9_avc_adaptive_intra_scaling_factor[qp] : gen9_avc_intra_scaling_factor[qp];
        cmd.g9->dw47.max_vmv_r = i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame only
        cmd.g9->dw36.hme_combine_overlap = 1;
        surface_id = slice_param->RefPicList1[0].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface) {
            WARN_ONCE("Invalid backward reference frame\n");
            return;
        }
        cmd.g9->dw36.is_fwd_frame_short_term_ref = !!(slice_param->RefPicList1[0].flags & VA_PICTURE_H264_SHORT_TERM_REFERENCE);

        cmd.g9->dw36.num_ref_idx_l0_minus_one = (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l0_active_minus1 : 0;
        cmd.g9->dw36.num_ref_idx_l1_minus_one = (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l1_active_minus1 : 0;
        cmd.g9->dw39.ref_width = gen9_avc_b_search_x[preset];
        cmd.g9->dw39.ref_height = gen9_avc_b_search_y[preset];
        cmd.g9->dw40.dist_scale_factor_ref_id0_list0 = avc_state->dist_scale_factor_list0[0];
        cmd.g9->dw40.dist_scale_factor_ref_id1_list0 = avc_state->dist_scale_factor_list0[1];
        cmd.g9->dw41.dist_scale_factor_ref_id2_list0 = avc_state->dist_scale_factor_list0[2];
        cmd.g9->dw41.dist_scale_factor_ref_id3_list0 = avc_state->dist_scale_factor_list0[3];
        cmd.g9->dw42.dist_scale_factor_ref_id4_list0 = avc_state->dist_scale_factor_list0[4];
        cmd.g9->dw42.dist_scale_factor_ref_id5_list0 = avc_state->dist_scale_factor_list0[5];
        cmd.g9->dw43.dist_scale_factor_ref_id6_list0 = avc_state->dist_scale_factor_list0[6];
        cmd.g9->dw43.dist_scale_factor_ref_id7_list0 = avc_state->dist_scale_factor_list0[7];

        cmd.g9->dw34.enable_direct_bias_adjustment = avc_state->direct_bias_adjustment_enable;
        if (cmd.g9->dw34.enable_direct_bias_adjustment) {
            cmd.g9->dw7.non_skip_zmv_added = 1;
            cmd.g9->dw7.non_skip_mode_added = 1;
        }

        cmd.g9->dw34.enable_global_motion_bias_adjustment = avc_state->global_motion_bias_adjustment_enable;
        if (is_g9 && avc_state->global_motion_bias_adjustment_enable)
            cmd.g9->dw59.hme_mv_cost_scaling_factor = avc_state->hme_mv_cost_scaling_factor;

    }

    avc_state->block_based_skip_enable = cmd.g9->dw3.block_based_skip_enable;

    if (avc_state->rolling_intra_refresh_enable) {
        /*by now disable it*/
        cmd.g9->dw34.widi_intra_refresh_en = avc_state->rolling_intra_refresh_enable;
        cmd.g9->dw32.mult_pred_l0_disable = 128;
        /* Pass the same IntraRefreshUnit to the kernel w/o the adjustment by -1, so as to have an overlap of one MB row or column of Intra macroblocks
         across one P frame to another P frame, as needed by the RollingI algo */
        if (is_g9) {
            cmd.g9->dw48.widi_intra_refresh_mb_num = 0;
            cmd.g9->dw48.widi_intra_refresh_unit_in_mb_minus1 = 0;
            cmd.g9->dw48.widi_intra_refresh_qp_delta = 0;
        }

        if (is_g95) {
            if (avc_state->rolling_intra_refresh_enable == INTEL_ROLLING_I_SQUARE && generic_state->brc_enabled) {
                cmd.g95->dw4.enable_intra_refresh = 0;
                cmd.g95->dw34.widi_intra_refresh_en = INTEL_ROLLING_I_DISABLED;
                cmd.g95->dw48.widi_intra_refresh_mb_x = 0;
                cmd.g95->dw61.widi_intra_refresh_mb_y = 0;
            } else {
                cmd.g95->dw4.enable_intra_refresh = 1;
                cmd.g95->dw34.widi_intra_refresh_en = avc_state->rolling_intra_refresh_enable;
                cmd.g95->dw48.widi_intra_refresh_mb_x = 0;
                cmd.g95->dw61.widi_intra_refresh_mb_y = 0;
                cmd.g9->dw48.widi_intra_refresh_unit_in_mb_minus1 = 0;
                cmd.g9->dw48.widi_intra_refresh_qp_delta = 0;
            }
        }

    } else {
        cmd.g9->dw34.widi_intra_refresh_en = 0;
    }

    cmd.g9->dw34.enable_per_mb_static_check = avc_state->sfd_enable && generic_state->hme_enabled;
    if (is_g9)
        cmd.g9->dw34.enable_adaptive_search_window_size = avc_state->adaptive_search_window_enable;
    else if (is_g95)
        cmd.g95->dw34.enable_adaptive_search_window_size = avc_state->adaptive_search_window_enable;

    /*roi set disable by now. 49-56*/
    if (curbe_param->roi_enabled) {
        cmd.g9->dw49.roi_1_x_left   = generic_state->roi[0].left;
        cmd.g9->dw49.roi_1_y_top    = generic_state->roi[0].top;
        cmd.g9->dw50.roi_1_x_right  = generic_state->roi[0].right;
        cmd.g9->dw50.roi_1_y_bottom = generic_state->roi[0].bottom;

        cmd.g9->dw51.roi_2_x_left   = generic_state->roi[1].left;
        cmd.g9->dw51.roi_2_y_top    = generic_state->roi[1].top;
        cmd.g9->dw52.roi_2_x_right  = generic_state->roi[1].right;
        cmd.g9->dw52.roi_2_y_bottom = generic_state->roi[1].bottom;

        cmd.g9->dw53.roi_3_x_left   = generic_state->roi[2].left;
        cmd.g9->dw53.roi_3_y_top    = generic_state->roi[2].top;
        cmd.g9->dw54.roi_3_x_right  = generic_state->roi[2].right;
        cmd.g9->dw54.roi_3_y_bottom = generic_state->roi[2].bottom;

        cmd.g9->dw55.roi_4_x_left   = generic_state->roi[3].left;
        cmd.g9->dw55.roi_4_y_top    = generic_state->roi[3].top;
        cmd.g9->dw56.roi_4_x_right  = generic_state->roi[3].right;
        cmd.g9->dw56.roi_4_y_bottom = generic_state->roi[3].bottom;

        if (!generic_state->brc_enabled) {
            char tmp = 0;
            tmp = generic_state->roi[0].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd.g9->dw57.roi_1_dqp_prime_y = tmp;
            tmp = generic_state->roi[1].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd.g9->dw57.roi_2_dqp_prime_y = tmp;
            tmp = generic_state->roi[2].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd.g9->dw57.roi_3_dqp_prime_y = tmp;
            tmp = generic_state->roi[3].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd.g9->dw57.roi_4_dqp_prime_y = tmp;
        } else {
            cmd.g9->dw34.roi_enable_flag = 0;
        }
    }

    if (is_g95) {
        if (avc_state->tq_enable) {
            if (generic_state->frame_type == SLICE_TYPE_I) {
                cmd.g95->dw58.value = gen95_avc_tq_lambda_i_frame[qp][0];
                cmd.g95->dw59.value = gen95_avc_tq_lambda_i_frame[qp][1];

            } else if (generic_state->frame_type == SLICE_TYPE_P) {
                cmd.g95->dw58.value = gen95_avc_tq_lambda_p_frame[qp][0];
                cmd.g95->dw59.value = gen95_avc_tq_lambda_p_frame[qp][1];

            } else {
                cmd.g95->dw58.value = gen95_avc_tq_lambda_b_frame[qp][0];
                cmd.g95->dw59.value = gen95_avc_tq_lambda_b_frame[qp][1];
            }

            if (cmd.g95->dw58.lambda_8x8_inter > GEN95_AVC_MAX_LAMBDA)
                cmd.g95->dw58.lambda_8x8_inter = 0xf000 + avc_state->rounding_value;

            if (cmd.g95->dw58.lambda_8x8_intra > GEN95_AVC_MAX_LAMBDA)
                cmd.g95->dw58.lambda_8x8_intra = 0xf000 + GEN95_AVC_DEFAULT_TRELLIS_QUANT_INTRA_ROUNDING;

            if (cmd.g95->dw59.lambda_inter > GEN95_AVC_MAX_LAMBDA)
                cmd.g95->dw59.lambda_inter = 0xf000 + avc_state->rounding_value;

            if (cmd.g95->dw59.lambda_intra > GEN95_AVC_MAX_LAMBDA)
                cmd.g95->dw59.lambda_intra = 0xf000 + GEN95_AVC_DEFAULT_TRELLIS_QUANT_INTRA_ROUNDING;
        }
    }

    if (is_g95) {
        cmd.g95->dw66.mb_data_surf_index = GEN9_AVC_MBENC_MFC_AVC_PAK_OBJ_INDEX;
        cmd.g95->dw67.mv_data_surf_index = GEN9_AVC_MBENC_IND_MV_DATA_INDEX;
        cmd.g95->dw68.i_dist_surf_index = GEN9_AVC_MBENC_BRC_DISTORTION_INDEX;
        cmd.g95->dw69.src_y_surf_index = GEN9_AVC_MBENC_CURR_Y_INDEX;
        cmd.g95->dw70.mb_specific_data_surf_index = GEN9_AVC_MBENC_MB_SPECIFIC_DATA_INDEX;
        cmd.g95->dw71.aux_vme_out_surf_index = GEN9_AVC_MBENC_AUX_VME_OUT_INDEX;
        cmd.g95->dw72.curr_ref_pic_sel_surf_index = GEN9_AVC_MBENC_REFPICSELECT_L0_INDEX;
        cmd.g95->dw73.hme_mv_pred_fwd_bwd_surf_index = GEN9_AVC_MBENC_MV_DATA_FROM_ME_INDEX;
        cmd.g95->dw74.hme_dist_surf_index = GEN9_AVC_MBENC_4XME_DISTORTION_INDEX;
        cmd.g95->dw75.slice_map_surf_index = GEN9_AVC_MBENC_SLICEMAP_DATA_INDEX;
        cmd.g95->dw76.fwd_frm_mb_data_surf_index = GEN9_AVC_MBENC_FWD_MB_DATA_INDEX;
        cmd.g95->dw77.fwd_frm_mv_surf_index = GEN9_AVC_MBENC_FWD_MV_DATA_INDEX;
        cmd.g95->dw78.mb_qp_buffer = GEN9_AVC_MBENC_MBQP_INDEX;
        cmd.g95->dw79.mb_brc_lut = GEN9_AVC_MBENC_MBBRC_CONST_DATA_INDEX;
        cmd.g95->dw80.vme_inter_prediction_surf_index = GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX;
        cmd.g95->dw81.vme_inter_prediction_mr_surf_index = GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX;
        cmd.g95->dw82.mb_stats_surf_index = GEN9_AVC_MBENC_MB_STATS_INDEX;
        cmd.g95->dw83.mad_surf_index = GEN9_AVC_MBENC_MAD_DATA_INDEX;
        cmd.g95->dw84.brc_curbe_surf_index = GEN95_AVC_MBENC_BRC_CURBE_DATA_INDEX;
        cmd.g95->dw85.force_non_skip_mb_map_surface = GEN95_AVC_MBENC_FORCE_NONSKIP_MB_MAP_INDEX;
        cmd.g95->dw86.widi_wa_surf_index = GEN95_AVC_MBENC_WIDI_WA_INDEX;
        cmd.g95->dw87.static_detection_cost_table_index = GEN95_AVC_MBENC_SFD_COST_TABLE_INDEX;
    }

    if (is_g9) {
        cmd.g9->dw64.mb_data_surf_index = GEN9_AVC_MBENC_MFC_AVC_PAK_OBJ_INDEX;
        cmd.g9->dw65.mv_data_surf_index = GEN9_AVC_MBENC_IND_MV_DATA_INDEX;
        cmd.g9->dw66.i_dist_surf_index = GEN9_AVC_MBENC_BRC_DISTORTION_INDEX;
        cmd.g9->dw67.src_y_surf_index = GEN9_AVC_MBENC_CURR_Y_INDEX;
        cmd.g9->dw68.mb_specific_data_surf_index = GEN9_AVC_MBENC_MB_SPECIFIC_DATA_INDEX;
        cmd.g9->dw69.aux_vme_out_surf_index = GEN9_AVC_MBENC_AUX_VME_OUT_INDEX;
        cmd.g9->dw70.curr_ref_pic_sel_surf_index = GEN9_AVC_MBENC_REFPICSELECT_L0_INDEX;
        cmd.g9->dw71.hme_mv_pred_fwd_bwd_surf_index = GEN9_AVC_MBENC_MV_DATA_FROM_ME_INDEX;
        cmd.g9->dw72.hme_dist_surf_index = GEN9_AVC_MBENC_4XME_DISTORTION_INDEX;
        cmd.g9->dw73.slice_map_surf_index = GEN9_AVC_MBENC_SLICEMAP_DATA_INDEX;
        cmd.g9->dw74.fwd_frm_mb_data_surf_index = GEN9_AVC_MBENC_FWD_MB_DATA_INDEX;
        cmd.g9->dw75.fwd_frm_mv_surf_index = GEN9_AVC_MBENC_FWD_MV_DATA_INDEX;
        cmd.g9->dw76.mb_qp_buffer = GEN9_AVC_MBENC_MBQP_INDEX;
        cmd.g9->dw77.mb_brc_lut = GEN9_AVC_MBENC_MBBRC_CONST_DATA_INDEX;
        cmd.g9->dw78.vme_inter_prediction_surf_index = GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX;
        cmd.g9->dw79.vme_inter_prediction_mr_surf_index = GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX;
        cmd.g9->dw80.mb_stats_surf_index = GEN9_AVC_MBENC_MB_STATS_INDEX;
        cmd.g9->dw81.mad_surf_index = GEN9_AVC_MBENC_MAD_DATA_INDEX;
        cmd.g9->dw82.force_non_skip_mb_map_surface = GEN9_AVC_MBENC_FORCE_NONSKIP_MB_MAP_INDEX;
        cmd.g9->dw83.widi_wa_surf_index = GEN9_AVC_MBENC_WIDI_WA_INDEX;
        cmd.g9->dw84.brc_curbe_surf_index = GEN9_AVC_MBENC_BRC_CURBE_DATA_INDEX;
        cmd.g9->dw85.static_detection_cost_table_index = GEN9_AVC_MBENC_SFD_COST_TABLE_INDEX;
    }

    i965_gpe_context_unmap_curbe(gpe_context);

    return;
}

static void
gen9_avc_fei_set_curbe_mbenc(VADriverContextP ctx,
                             struct encode_state *encode_state,
                             struct i965_gpe_context *gpe_context,
                             struct intel_encoder_context *encoder_context,
                             void * param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    gen9_avc_fei_mbenc_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VASurfaceID surface_id;
    struct object_surface *obj_surface;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;
    VAEncMiscParameterFEIFrameControlH264 *fei_param = avc_state->fei_framectl_param;

    struct mbenc_param * curbe_param = (struct mbenc_param *)param ;
    unsigned char qp = 0;
    unsigned char me_method = 0;
    unsigned int mbenc_i_frame_dist_in_use = curbe_param->mbenc_i_frame_dist_in_use;
    unsigned int table_idx = 0;
    int ref_width, ref_height, len_sp;
    int is_bframe = (generic_state->frame_type == SLICE_TYPE_B);
    int is_pframe = (generic_state->frame_type == SLICE_TYPE_P);
    unsigned int preset = generic_state->preset;

    qp = pic_param->pic_init_qp + slice_param->slice_qp_delta;

    assert(gpe_context != NULL);
    cmd = (gen9_avc_fei_mbenc_curbe_data *)i965_gpe_context_map_curbe(gpe_context);
    memset(cmd, 0, sizeof(gen9_avc_fei_mbenc_curbe_data));

    if (mbenc_i_frame_dist_in_use) {
        memcpy(cmd, gen9_avc_fei_mbenc_curbe_i_frame_dist_init_data, sizeof(gen9_avc_fei_mbenc_curbe_data));

    } else {
        switch (generic_state->frame_type) {
        case SLICE_TYPE_I:
            memcpy(cmd, gen9_avc_fei_mbenc_curbe_i_frame_init_data, sizeof(gen9_avc_fei_mbenc_curbe_data));
            break;
        case SLICE_TYPE_P:
            memcpy(cmd, gen9_avc_fei_mbenc_curbe_p_frame_init_data, sizeof(gen9_avc_fei_mbenc_curbe_data));
            break;
        case SLICE_TYPE_B:
            memcpy(cmd, gen9_avc_fei_mbenc_curbe_b_frame_init_data, sizeof(gen9_avc_fei_mbenc_curbe_data));
            break;
        default:
            assert(0);
        }

    }
    /* 4 means full search, 6 means diamand search */
    me_method  = (fei_param->search_window == 5) ||
                 (fei_param->search_window == 8) ? 4 : 6;

    ref_width    = fei_param->ref_width;
    ref_height   = fei_param->ref_height;
    len_sp       = fei_param->len_sp;
    /* If there is a serch_window, discard user provided ref_width, ref_height
     * and search_path length */
    switch (fei_param->search_window) {
    case 0:
        /*  not use predefined search window, there should be a search_path input */
        if ((fei_param->search_path != 0) &&
            (fei_param->search_path != 1) &&
            (fei_param->search_path != 2)) {
            WARN_ONCE("Invalid input search_path for SearchWindow=0  \n");
            assert(0);
        }
        /* 4 means full search, 6 means diamand search */
        me_method = (fei_param->search_path == 1) ? 6 : 4;
        if (((ref_width * ref_height) > 2048) || (ref_width > 64) || (ref_height > 64)) {
            WARN_ONCE("Invalid input ref_width/ref_height in"
                      "SearchWindow=0 case! \n");
            assert(0);
        }
        break;

    case 1:
        /* Tiny - 4 SUs 24x24 window */
        ref_width  = 24;
        ref_height = 24;
        len_sp     = 4;
        break;

    case 2:
        /* Small - 9 SUs 28x28 window */
        ref_width  = 28;
        ref_height = 28;
        len_sp     = 9;
        break;
    case 3:
        /* Diamond - 16 SUs 48x40 window */
        ref_width  = 48;
        ref_height = 40;
        len_sp     = 16;
        break;
    case 4:
        /* Large Diamond - 32 SUs 48x40 window */
        ref_width  = 48;
        ref_height = 40;
        len_sp     = 32;
        break;
    case 5:
        /* Exhaustive - 48 SUs 48x40 window */
        ref_width  = 48;
        ref_height = 40;
        len_sp     = 48;
        break;
    case 6:
        /* Diamond - 16 SUs 64x32 window */
        ref_width  = 64;
        ref_height = 32;
        len_sp     = 16;
        break;
    case 7:
        /* Large Diamond - 32 SUs 64x32 window */
        ref_width  = 64;
        ref_height = 32;
        len_sp     = 32;
        break;
    case 8:
        /* Exhaustive - 48 SUs 64x32 window */
        ref_width  = 64;
        ref_height = 32;
        len_sp     = 48;
        break;

    default:
        assert(0);
    }

    /* ref_width*ref_height = Max 64x32 one direction, Max 32x32 two directions */
    if (is_bframe) {
        CLIP(ref_width, 4, 32);
        CLIP(ref_height, 4, 32);
    } else if (is_pframe) {
        CLIP(ref_width, 4, 64);
        CLIP(ref_height, 4, 32);
    }

    cmd->dw0.adaptive_enable =
        cmd->dw37.adaptive_enable = fei_param->adaptive_search;
    cmd->dw0.t8x8_flag_for_inter_enable = cmd->dw37.t8x8_flag_for_inter_enable
                                          = avc_state->transform_8x8_mode_enable;
    cmd->dw2.max_len_sp = len_sp;
    cmd->dw38.max_len_sp = 0; // HLD mandates this field to be Zero
    cmd->dw2.max_num_su = cmd->dw38.max_num_su = 57;
    cmd->dw3.src_access =
        cmd->dw3.ref_access = 0; // change it to (is_frame ? 0: 1) when interlace is suppoted

    if (avc_state->ftq_enable && (generic_state->frame_type != SLICE_TYPE_I)) {
        if (avc_state->ftq_override) {
            cmd->dw3.ft_enable = avc_state->ftq_enable;
        } else {
            if (generic_state->frame_type == SLICE_TYPE_P) {
                cmd->dw3.ft_enable = gen9_avc_max_ftq_based_skip[preset] & 0x01;
            } else {
                cmd->dw3.ft_enable = (gen9_avc_max_ftq_based_skip[preset] >> 1) & 0x01;
            }
        }
    } else {
        cmd->dw3.ft_enable = 0;
    }

    if (avc_state->disable_sub_mb_partion)
        cmd->dw3.sub_mb_part_mask = 0x7;

    if (mbenc_i_frame_dist_in_use) {
        /* Fixme: Not supported, no brc in fei */
        assert(0);
        cmd->dw2.pic_width = generic_state->downscaled_width_4x_in_mb;
        cmd->dw4.pic_height_minus1 = generic_state->downscaled_height_4x_in_mb - 1;
        cmd->dw5.slice_mb_height = (avc_state->slice_height + 4 - 1) / 4;
        cmd->dw6.batch_buffer_end = 0;
        cmd->dw31.intra_compute_type = 1;
    }

    cmd->dw2.pic_width = generic_state->frame_width_in_mbs;
    cmd->dw4.pic_height_minus1 = generic_state->frame_height_in_mbs - 1;
    cmd->dw5.slice_mb_height = (avc_state->arbitrary_num_mbs_in_slice) ?
                               generic_state->frame_height_in_mbs : avc_state->slice_height;
    cmd->dw3.sub_mb_part_mask = fei_param->sub_mb_part_mask;
    cmd->dw3.sub_pel_mode = fei_param->sub_pel_mode;
    cmd->dw3.inter_sad = fei_param->inter_sad;
    cmd->dw3.Intra_sad = fei_param->intra_sad;
    cmd->dw3.search_ctrl = (is_bframe) ? 7 : 0;
    cmd->dw4.enable_fbr_bypass = avc_state->fbr_bypass_enable;
    cmd->dw4.enable_intra_cost_scaling_for_static_frame =
        avc_state->sfd_enable && generic_state->hme_enabled;
    cmd->dw4.true_distortion_enable = fei_param->distortion_type == 0 ? 1 : 0;
    cmd->dw4.constrained_intra_pred_flag =
        pic_param->pic_fields.bits.constrained_intra_pred_flag;
    cmd->dw4.hme_enable = 0;
    cmd->dw4.picture_type = slice_type_kernel[generic_state->frame_type];
    cmd->dw4.use_actual_ref_qp_value =
        generic_state->hme_enabled && (gen9_avc_mr_disable_qp_check[preset] == 0);
    cmd->dw7.intra_part_mask = fei_param->intra_part_mask;
    cmd->dw7.src_field_polarity = 0;

    /* mv mode cost */
    memcpy(&(cmd->dw8), gen9_avc_mode_mv_cost_table[slice_type_kernel[generic_state->frame_type]][qp], 8 * sizeof(unsigned int));
    if ((generic_state->frame_type == SLICE_TYPE_I) && avc_state->old_mode_cost_enable) {
        // cmd->dw8 = gen9_avc_old_intra_mode_cost[qp];
    } else if (avc_state->skip_bias_adjustment_enable) {
        // Load different MvCost for P picture when SkipBiasAdjustment is enabled
        // No need to check for P picture as the flag is only enabled for P picture
        cmd->dw11.value = gen9_avc_mv_cost_p_skip_adjustment[qp];
    }

    //dw16
    /* search path tables */
    table_idx = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 0;
    memcpy(&(cmd->dw16), table_enc_search_path[table_idx][me_method], 16 * sizeof(unsigned int));

    //ftq_skip_threshold_lut set,dw14 /15

    //r5 disable NonFTQSkipThresholdLUT
    if (generic_state->frame_type == SLICE_TYPE_P) {
        cmd->dw32.skip_val = gen9_avc_skip_value_p[avc_state->block_based_skip_enable][avc_state->transform_8x8_mode_enable][qp];
    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        cmd->dw32.skip_val =
            gen9_avc_skip_value_b[avc_state->block_based_skip_enable][avc_state->transform_8x8_mode_enable][qp];
    }
    cmd->dw13.qp_prime_y = qp;
    cmd->dw13.qp_prime_cb = qp;
    cmd->dw13.qp_prime_cr = qp;
    cmd->dw13.target_size_in_word = 0xff; /* hardcoded for brc disable */

    if ((generic_state->frame_type != SLICE_TYPE_I) && avc_state->multi_pre_enable) {
        cmd->dw32.mult_pred_l0_disable = fei_param->multi_pred_l0 ? 0x01 : 0x80;
        cmd->dw32.mult_pred_l1_disable = ((generic_state->frame_type == SLICE_TYPE_B) && fei_param->multi_pred_l1) ? 0x01 : 0x80;
    } else {
        /* disable */
        cmd->dw32.mult_pred_l0_disable = 0x80;
        cmd->dw32.mult_pred_l1_disable = 0x80;
    }
    /* no field pic setting, not supported */

    //dw34 58
    if (avc_state->adaptive_transform_decision_enable) {
        if (generic_state->frame_type != SLICE_TYPE_I) {
            cmd->dw34.enable_adaptive_tx_decision = 1;
        }

        cmd->dw58.mb_texture_threshold = 1024;
        cmd->dw58.tx_decision_threshold = 128;
    }
    if (generic_state->frame_type == SLICE_TYPE_B) {
        cmd->dw34.list1_ref_id0_frm_field_parity = 0; //frame only
        cmd->dw34.list1_ref_id1_frm_field_parity = 0;
        cmd->dw34.b_direct_mode = slice_param->direct_spatial_mv_pred_flag;
    }
    cmd->dw34.enable_mb_flatness_check_optimization = avc_state->flatness_check_enable;
    cmd->dw34.roi_enable_flag = generic_state->brc_roi_enable;
    cmd->dw34.mad_enable_falg = avc_state->mad_enable;
    cmd->dw34.mb_brc_enable = avc_state->mb_qp_data_enable && generic_state->mb_brc_enabled;
    cmd->dw34.arbitray_num_mbs_per_slice = avc_state->arbitrary_num_mbs_in_slice;
    cmd->dw34.force_non_skip_check = avc_state->mb_disable_skip_map_enable;

    if (cmd->dw34.force_non_skip_check) {
        cmd->dw34.disable_enc_skip_check = avc_state->skip_check_disable;
    }
    cmd->dw36.check_all_fractional_enable = avc_state->caf_enable;
    cmd->dw38.ref_threshold = 400;
    cmd->dw39.hme_ref_windows_comb_threshold = (generic_state->frame_type == SLICE_TYPE_B) ? gen9_avc_hme_b_combine_len[preset] : gen9_avc_hme_combine_len[preset];
    // Default:2 used for MBBRC (MB QP Surface width and height are 4x downscaled picture in MB unit * 4  bytes)
    // 0 used for MBQP data surface (MB QP Surface width and height are same as the input picture size in MB unit * 1bytes)
    // starting GEN9, BRC use split kernel, MB QP surface is same size as input picture
    cmd->dw47.mb_qp_read_factor = (avc_state->mb_qp_data_enable || generic_state->mb_brc_enabled) ? 0 : 2;
    if (mbenc_i_frame_dist_in_use) {
        cmd->dw13.qp_prime_y = 0;
        cmd->dw13.qp_prime_cb = 0;
        cmd->dw13.qp_prime_cr = 0;
        cmd->dw33.intra_16x16_nondc_penalty = 0;
        cmd->dw33.intra_8x8_nondc_penalty = 0;
        cmd->dw33.intra_4x4_nondc_penalty = 0;
    }
    if (cmd->dw4.use_actual_ref_qp_value) {
        cmd->dw44.actual_qp_value_for_ref_id0_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 0);
        cmd->dw44.actual_qp_value_for_ref_id1_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 1);
        cmd->dw44.actual_qp_value_for_ref_id2_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 2);
        cmd->dw44.actual_qp_value_for_ref_id3_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 3);
        cmd->dw45.actual_qp_value_for_ref_id4_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 4);
        cmd->dw45.actual_qp_value_for_ref_id5_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 5);
        cmd->dw45.actual_qp_value_for_ref_id6_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 6);
        cmd->dw45.actual_qp_value_for_ref_id7_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 7);
        cmd->dw46.actual_qp_value_for_ref_id0_list1 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 1, 0);
        cmd->dw46.actual_qp_value_for_ref_id1_list1 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 1, 1);
    }

    table_idx = slice_type_kernel[generic_state->frame_type];
    cmd->dw46.ref_cost = gen9_avc_ref_cost[table_idx][qp];

    if (generic_state->frame_type == SLICE_TYPE_I) {
        cmd->dw0.skip_mode_enable = 0;
        cmd->dw37.skip_mode_enable = 0;
        cmd->dw36.hme_combine_overlap = 0;
        cmd->dw36.check_all_fractional_enable = 0;
        cmd->dw47.intra_cost_sf = 16;/* not used, but recommended to set 16 by kernel team */
        cmd->dw34.enable_direct_bias_adjustment = 0;
        cmd->dw34.enable_global_motion_bias_adjustment = 0;

    } else if (generic_state->frame_type == SLICE_TYPE_P) {
        cmd->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(avc_state->seq_param->level_idc) / 2;
        cmd->dw3.bme_disable_fbr = 1;
        cmd->dw5.ref_width = cmd->dw39.ref_width = ref_width;
        cmd->dw5.ref_height = cmd->dw39.ref_height = ref_height;
        cmd->dw7.non_skip_zmv_added = 1;
        cmd->dw7.non_skip_mode_added = 1;
        cmd->dw7.skip_center_mask = 1;

        cmd->dw47.intra_cost_sf =
            (avc_state->adaptive_intra_scaling_enable) ?
            gen9_avc_adaptive_intra_scaling_factor[preset] :
            gen9_avc_intra_scaling_factor[preset];

        cmd->dw47.max_vmv_r =
            i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame only

        cmd->dw36.hme_combine_overlap = 1;
        cmd->dw36.num_ref_idx_l0_minus_one = (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l0_active_minus1 : 0;
        cmd->dw36.check_all_fractional_enable = fei_param->repartition_check_enable;
        cmd->dw34.enable_direct_bias_adjustment = 0;
        cmd->dw34.enable_global_motion_bias_adjustment = avc_state->global_motion_bias_adjustment_enable;
        if (avc_state->global_motion_bias_adjustment_enable)
            cmd->dw59.hme_mv_cost_scaling_factor = avc_state->hme_mv_cost_scaling_factor;

        cmd->dw64.num_mv_predictors_l0 = fei_param->num_mv_predictors_l0;

    } else { /* B slice */

        cmd->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(avc_state->seq_param->level_idc) / 2;
        cmd->dw1.bi_Weight = avc_state->bi_weight;
        cmd->dw3.search_ctrl = 7;
        cmd->dw3.skip_type = 1;
        cmd->dw5.ref_width = cmd->dw39.ref_width = ref_width;
        cmd->dw5.ref_height = cmd->dw39.ref_height = ref_height;
        cmd->dw7.skip_center_mask = 0xff;

        cmd->dw47.intra_cost_sf = avc_state->adaptive_intra_scaling_enable ?
                                  gen9_avc_adaptive_intra_scaling_factor[qp] :
                                  gen9_avc_intra_scaling_factor[qp];

        cmd->dw47.max_vmv_r =
            i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame only

        cmd->dw36.hme_combine_overlap = 1;

        //check is_fwd_frame_short_term_ref
        surface_id = slice_param->RefPicList1[0].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface) {
            WARN_ONCE("Invalid backward reference frame\n");
            if (gpe_context)
                i965_gpe_context_unmap_curbe(gpe_context);
            return;
        }
        cmd->dw36.is_fwd_frame_short_term_ref = !!(slice_param->RefPicList1[0].flags & VA_PICTURE_H264_SHORT_TERM_REFERENCE);

        cmd->dw36.num_ref_idx_l0_minus_one =
            (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l0_active_minus1
            : 0;
        cmd->dw36.num_ref_idx_l1_minus_one =
            (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l1_active_minus1
            : 0;
        cmd->dw36.check_all_fractional_enable = fei_param->repartition_check_enable;

        cmd->dw40.dist_scale_factor_ref_id0_list0 = avc_state->dist_scale_factor_list0[0];
        cmd->dw40.dist_scale_factor_ref_id1_list0 = avc_state->dist_scale_factor_list0[1];
        cmd->dw41.dist_scale_factor_ref_id2_list0 = avc_state->dist_scale_factor_list0[2];
        cmd->dw41.dist_scale_factor_ref_id3_list0 = avc_state->dist_scale_factor_list0[3];
        cmd->dw42.dist_scale_factor_ref_id4_list0 = avc_state->dist_scale_factor_list0[4];
        cmd->dw42.dist_scale_factor_ref_id5_list0 = avc_state->dist_scale_factor_list0[5];
        cmd->dw43.dist_scale_factor_ref_id6_list0 = avc_state->dist_scale_factor_list0[6];
        cmd->dw43.dist_scale_factor_ref_id7_list0 = avc_state->dist_scale_factor_list0[7];

        cmd->dw34.enable_direct_bias_adjustment = avc_state->direct_bias_adjustment_enable;
        if (cmd->dw34.enable_direct_bias_adjustment) {
            cmd->dw7.non_skip_mode_added = 1;
            cmd->dw7.non_skip_zmv_added = 1;
        }

        cmd->dw34.enable_global_motion_bias_adjustment =
            avc_state->global_motion_bias_adjustment_enable;
        if (avc_state->global_motion_bias_adjustment_enable)
            cmd->dw59.hme_mv_cost_scaling_factor = avc_state->hme_mv_cost_scaling_factor;

        cmd->dw64.num_mv_predictors_l0 = fei_param->num_mv_predictors_l0;
        cmd->dw64.num_mv_predictors_l1 = fei_param->num_mv_predictors_l1;
    }

    avc_state->block_based_skip_enable = cmd->dw3.block_based_skip_enable;

    if (avc_state->rolling_intra_refresh_enable) {
        //Not supported
        cmd->dw34.widi_intra_refresh_en = avc_state->rolling_intra_refresh_enable;

    } else {
        cmd->dw34.widi_intra_refresh_en = 0;
    }
    cmd->dw34.enable_per_mb_static_check = avc_state->sfd_enable && generic_state->hme_enabled;
    cmd->dw34.enable_adaptive_search_window_size = avc_state->adaptive_search_window_enable;

    /* Fixme: Skipped ROI stuffs for now */

    /* r64: FEI specific fields */
    cmd->dw64.fei_enable = 1;
    cmd->dw64.multiple_mv_predictor_per_mb_enable = fei_param->mv_predictor_enable;
    if (fei_param->distortion != VA_INVALID_ID)
        cmd->dw64.vme_distortion_output_enable = 1;
    cmd->dw64.per_mb_qp_enable = fei_param->mb_qp;
    cmd->dw64.mb_input_enable = fei_param->mb_input;

    // FEI mode is disabled when external MVP is available
    if (fei_param->mv_predictor_enable)
        cmd->dw64.fei_mode = 0;
    else
        cmd->dw64.fei_mode = 1;

    cmd->dw80.mb_data_surf_index = GEN9_AVC_MBENC_MFC_AVC_PAK_OBJ_INDEX;
    cmd->dw81.mv_data_surf_index = GEN9_AVC_MBENC_IND_MV_DATA_INDEX;
    cmd->dw82.i_dist_surf_index = GEN9_AVC_MBENC_BRC_DISTORTION_INDEX;
    cmd->dw83.src_y_surf_index = GEN9_AVC_MBENC_CURR_Y_INDEX;
    cmd->dw84.mb_specific_data_surf_index = GEN9_AVC_MBENC_MB_SPECIFIC_DATA_INDEX;
    cmd->dw85.aux_vme_out_surf_index = GEN9_AVC_MBENC_AUX_VME_OUT_INDEX;
    cmd->dw86.curr_ref_pic_sel_surf_index = GEN9_AVC_MBENC_REFPICSELECT_L0_INDEX;
    cmd->dw87.hme_mv_pred_fwd_bwd_surf_index = GEN9_AVC_MBENC_MV_DATA_FROM_ME_INDEX;
    cmd->dw88.hme_dist_surf_index = GEN9_AVC_MBENC_4XME_DISTORTION_INDEX;
    cmd->dw89.slice_map_surf_index = GEN9_AVC_MBENC_SLICEMAP_DATA_INDEX;
    cmd->dw90.fwd_frm_mb_data_surf_index = GEN9_AVC_MBENC_FWD_MB_DATA_INDEX;
    cmd->dw91.fwd_frm_mv_surf_index = GEN9_AVC_MBENC_FWD_MV_DATA_INDEX;
    cmd->dw92.mb_qp_buffer = GEN9_AVC_MBENC_MBQP_INDEX;
    cmd->dw93.mb_brc_lut = GEN9_AVC_MBENC_MBBRC_CONST_DATA_INDEX;
    cmd->dw94.vme_inter_prediction_surf_index = GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX;
    cmd->dw95.vme_inter_prediction_mr_surf_index = GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX;
    cmd->dw96.mb_stats_surf_index = GEN9_AVC_MBENC_MB_STATS_INDEX;
    cmd->dw97.mad_surf_index = GEN9_AVC_MBENC_MAD_DATA_INDEX;
    cmd->dw98.force_non_skip_mb_map_surface = GEN9_AVC_MBENC_FORCE_NONSKIP_MB_MAP_INDEX;
    cmd->dw99.widi_wa_surf_index = GEN9_AVC_MBENC_WIDI_WA_INDEX;
    cmd->dw100.brc_curbe_surf_index = GEN9_AVC_MBENC_BRC_CURBE_DATA_INDEX;
    cmd->dw101.static_detection_cost_table_index = GEN9_AVC_MBENC_SFD_COST_TABLE_INDEX;
    cmd->dw102.fei_mv_predictor_surf_index = GEN9_AVC_MBENC_MV_PREDICTOR_INDEX;
    i965_gpe_context_unmap_curbe(gpe_context);

    return;
}

static void
gen9_avc_send_surface_mbenc(VADriverContextP ctx,
                            struct encode_state *encode_state,
                            struct i965_gpe_context *gpe_context,
                            struct intel_encoder_context *encoder_context,
                            void * param_mbenc)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct object_surface *obj_surface;
    struct gen9_surface_avc *avc_priv_surface;
    struct i965_gpe_resource *gpe_resource;
    struct mbenc_param * param = (struct mbenc_param *)param_mbenc ;
    VASurfaceID surface_id;
    unsigned int mbenc_i_frame_dist_in_use = param->mbenc_i_frame_dist_in_use;
    unsigned int size = 0;
    unsigned int frame_mb_size = generic_state->frame_width_in_mbs *
                                 generic_state->frame_height_in_mbs;
    int i = 0;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    unsigned char is_g95 = 0;

    if (IS_SKL(i965->intel.device_info) ||
        IS_BXT(i965->intel.device_info))
        is_g95 = 0;
    else if (IS_KBL(i965->intel.device_info) ||
             IS_GEN10(i965->intel.device_info) ||
             IS_GLK(i965->intel.device_info))
        is_g95 = 1;

    obj_surface = encode_state->reconstructed_object;

    if (!obj_surface || !obj_surface->private_data)
        return;
    avc_priv_surface = obj_surface->private_data;

    /*pak obj command buffer output*/
    size = frame_mb_size * 16 * 4;
    gpe_resource = &avc_priv_surface->res_mb_code_surface;
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                gpe_resource,
                                0,
                                size / 4,
                                0,
                                GEN9_AVC_MBENC_MFC_AVC_PAK_OBJ_INDEX);

    /*mv data buffer output*/
    size = frame_mb_size * 32 * 4;
    gpe_resource = &avc_priv_surface->res_mv_data_surface;
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                gpe_resource,
                                0,
                                size / 4,
                                0,
                                GEN9_AVC_MBENC_IND_MV_DATA_INDEX);

    /*input current  YUV surface, current input Y/UV object*/
    if (mbenc_i_frame_dist_in_use) {
        obj_surface = encode_state->reconstructed_object;
        if (!obj_surface || !obj_surface->private_data)
            return;
        avc_priv_surface = obj_surface->private_data;
        obj_surface = avc_priv_surface->scaled_4x_surface_obj;
    } else {
        obj_surface = encode_state->input_yuv_object;
    }
    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            0,
                            1,
                            I965_SURFACEFORMAT_R8_UNORM,
                            GEN9_AVC_MBENC_CURR_Y_INDEX);

    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            1,
                            1,
                            I965_SURFACEFORMAT_R16_UINT,
                            GEN9_AVC_MBENC_CURR_UV_INDEX);

    if (generic_state->hme_enabled) {
        /*memv input 4x*/
        if (!IS_GEN8(i965->intel.device_info)) {
            gpe_resource = &(avc_ctx->s4x_memv_data_buffer);
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_MBENC_MV_DATA_FROM_ME_INDEX);
            /* memv distortion input*/
            gpe_resource = &(avc_ctx->s4x_memv_distortion_buffer);
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_MBENC_4XME_DISTORTION_INDEX);
        } else if (generic_state->frame_type != SLICE_TYPE_I) {
            gpe_resource = &(avc_ctx->s4x_memv_data_buffer);
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_MBENC_MV_DATA_FROM_ME_INDEX);
            /* memv distortion input*/
            gpe_resource = &(avc_ctx->s4x_memv_distortion_buffer);
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_MBENC_4XME_DISTORTION_INDEX);
        }
    }

    /*mbbrc const data_buffer*/
    if (param->mb_const_data_buffer_in_use) {
        size = 16 * AVC_QP_MAX * sizeof(unsigned int);
        gpe_resource = &avc_ctx->res_mbbrc_const_data_buffer;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_MBENC_MBBRC_CONST_DATA_INDEX);

    }

    /*mb qp data_buffer*/
    if (param->mb_qp_buffer_in_use) {
        if (avc_state->mb_qp_data_enable)
            gpe_resource = &(avc_ctx->res_mb_qp_data_surface);
        else
            gpe_resource = &(avc_ctx->res_mbbrc_mb_qp_data_surface);
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_MBENC_MBQP_INDEX);
    }

    /*input current  YUV surface, current input Y/UV object*/
    if (mbenc_i_frame_dist_in_use) {
        obj_surface = encode_state->reconstructed_object;
        if (!obj_surface || !obj_surface->private_data)
            return;
        avc_priv_surface = obj_surface->private_data;
        obj_surface = avc_priv_surface->scaled_4x_surface_obj;
    } else {
        obj_surface = encode_state->input_yuv_object;
    }
    i965_add_adv_gpe_surface(ctx, gpe_context,
                             obj_surface,
                             GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX);
    /*input ref YUV surface*/
    for (i = 0; i < slice_param->num_ref_idx_l0_active_minus1 + 1; i++) {
        surface_id = slice_param->RefPicList0[i].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface || !obj_surface->private_data)
            break;

        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX + i * 2 + 1);
    }
    /*input current  YUV surface, current input Y/UV object*/
    if (mbenc_i_frame_dist_in_use) {
        obj_surface = encode_state->reconstructed_object;
        if (!obj_surface || !obj_surface->private_data)
            return;
        avc_priv_surface = obj_surface->private_data;
        obj_surface = avc_priv_surface->scaled_4x_surface_obj;
    } else {
        obj_surface = encode_state->input_yuv_object;
    }
    i965_add_adv_gpe_surface(ctx, gpe_context,
                             obj_surface,
                             GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX);

    for (i = 0; i < slice_param->num_ref_idx_l1_active_minus1 + 1; i++) {
        if (i > 0) break; // only  one ref supported here for B frame
        surface_id = slice_param->RefPicList1[i].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface || !obj_surface->private_data)
            break;

        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX + i * 2 + 1);
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX + i * 2 + 2);
        if (i == 0) {
            avc_priv_surface = obj_surface->private_data;
            /*pak obj command buffer output(mb code)*/
            size = frame_mb_size * 16 * 4;
            gpe_resource = &avc_priv_surface->res_mb_code_surface;
            i965_add_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        gpe_resource,
                                        0,
                                        size / 4,
                                        0,
                                        GEN9_AVC_MBENC_FWD_MB_DATA_INDEX);

            /*mv data buffer output*/
            size = frame_mb_size * 32 * 4;
            gpe_resource = &avc_priv_surface->res_mv_data_surface;
            i965_add_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        gpe_resource,
                                        0,
                                        size / 4,
                                        0,
                                        GEN9_AVC_MBENC_FWD_MV_DATA_INDEX);

        }

        if (i < INTEL_AVC_MAX_BWD_REF_NUM) {
            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     obj_surface,
                                     GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX + i * 2 + 1 + INTEL_AVC_MAX_BWD_REF_NUM);
        }

    }

    /* BRC distortion data buffer for I frame*/
    if (mbenc_i_frame_dist_in_use) {
        gpe_resource = &(avc_ctx->res_brc_dist_data_surface);
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_MBENC_BRC_DISTORTION_INDEX);
    }

    /* as ref frame ,update later RefPicSelect of Current Picture*/
    obj_surface = encode_state->reconstructed_object;
    avc_priv_surface = obj_surface->private_data;
    if (avc_state->ref_pic_select_list_supported && avc_priv_surface->is_as_ref) {
        gpe_resource = &(avc_priv_surface->res_ref_pic_select_surface);
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_MBENC_REFPICSELECT_L0_INDEX);

    }
    if (!IS_GEN8(i965->intel.device_info)) {
        if (param->mb_vproc_stats_enable) {
            /*mb status buffer input*/
            size = frame_mb_size * 16 * 4;
            gpe_resource = &(avc_ctx->res_mb_status_buffer);
            i965_add_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        gpe_resource,
                                        0,
                                        size / 4,
                                        0,
                                        GEN9_AVC_MBENC_MB_STATS_INDEX);

        } else if (avc_state->flatness_check_enable) {
            gpe_resource = &(avc_ctx->res_flatness_check_surface);
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_MBENC_MB_STATS_INDEX);
        }
    } else if (avc_state->flatness_check_enable) {
        gpe_resource = &(avc_ctx->res_flatness_check_surface);
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_MBENC_MB_STATS_INDEX);
    }

    if (param->mad_enable) {
        /*mad buffer input*/
        size = 4;
        gpe_resource = &(avc_ctx->res_mad_data_buffer);
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_MBENC_MAD_DATA_INDEX);
        i965_zero_gpe_resource(gpe_resource);
    }

    /*brc updated mbenc curbe data buffer,it is ignored by gen9 and used in gen95*/
    if (avc_state->mbenc_brc_buffer_size > 0) {
        size = avc_state->mbenc_brc_buffer_size;
        gpe_resource = &(avc_ctx->res_mbenc_brc_buffer);
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN95_AVC_MBENC_BRC_CURBE_DATA_INDEX);
    }

    /*artitratry num mbs in slice*/
    if (avc_state->arbitrary_num_mbs_in_slice) {
        /*slice surface input*/
        gpe_resource = &(avc_ctx->res_mbenc_slice_map_surface);
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_MBENC_SLICEMAP_DATA_INDEX);
        gen9_avc_generate_slice_map(ctx, encode_state, encoder_context);
    }

    /* BRC distortion data buffer for I frame */
    if (!mbenc_i_frame_dist_in_use) {
        if (avc_state->mb_disable_skip_map_enable) {
            gpe_resource = &(avc_ctx->res_mb_disable_skip_map_surface);
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           (is_g95 ? GEN95_AVC_MBENC_FORCE_NONSKIP_MB_MAP_INDEX : GEN9_AVC_MBENC_FORCE_NONSKIP_MB_MAP_INDEX));
        }
        if (IS_GEN8(i965->intel.device_info)) {
            if (avc_state->sfd_enable) {
                size = 128 / sizeof(unsigned long);
                gpe_resource = &(avc_ctx->res_sfd_output_buffer);
                i965_add_buffer_gpe_surface(ctx,
                                            gpe_context,
                                            gpe_resource,
                                            0,
                                            size / 4,
                                            0,
                                            GEN8_AVC_MBENC_STATIC_FRAME_DETECTION_OUTPUT_CM);

            }
        } else {
            if (avc_state->sfd_enable && generic_state->hme_enabled) {
                if (generic_state->frame_type == SLICE_TYPE_P) {
                    gpe_resource = &(avc_ctx->res_sfd_cost_table_p_frame_buffer);
                } else if (generic_state->frame_type == SLICE_TYPE_B) {
                    gpe_resource = &(avc_ctx->res_sfd_cost_table_b_frame_buffer);
                }
                if (generic_state->frame_type != SLICE_TYPE_I) {
                    size = 64;
                    i965_add_buffer_gpe_surface(ctx,
                                                gpe_context,
                                                gpe_resource,
                                                0,
                                                size / 4,
                                                0,
                                                (is_g95 ? GEN95_AVC_MBENC_SFD_COST_TABLE_INDEX : GEN9_AVC_MBENC_SFD_COST_TABLE_INDEX));


                }
            }
        }
    }
    return;
}

static void
gen9_avc_fei_send_surface_mbenc(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct i965_gpe_context *gpe_context,
                                struct intel_encoder_context *encoder_context,
                                void * param_mbenc)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VAEncMiscParameterFEIFrameControlH264 *fei_param = NULL;
    struct object_buffer *obj_buffer = NULL;
    struct buffer_store *buffer_store = NULL;
    struct object_surface *obj_surface = NULL;
    struct gen9_surface_avc *avc_priv_surface;
    struct i965_gpe_resource *gpe_resource;
    VASurfaceID surface_id;
    unsigned int size = 0;
    unsigned int frame_mb_nums;
    int i = 0, allocate_flag = 1;

    obj_surface = encode_state->reconstructed_object;
    if (!obj_surface || !obj_surface->private_data)
        return;
    avc_priv_surface = obj_surface->private_data;

    frame_mb_nums = generic_state->frame_width_in_mbs *
                    generic_state->frame_height_in_mbs;
    fei_param = avc_state->fei_framectl_param;

    assert(fei_param != NULL);

    /* res_mb_code_surface for MB code */
    size = frame_mb_nums * FEI_AVC_MB_CODE_BUFFER_SIZE;
    if (avc_priv_surface->res_mb_code_surface.bo != NULL)
        i965_free_gpe_resource(&avc_priv_surface->res_mb_code_surface);
    if (fei_param->mb_code_data != VA_INVALID_ID) {
        obj_buffer = BUFFER(fei_param->mb_code_data);
        assert(obj_buffer != NULL);
        buffer_store = obj_buffer->buffer_store;
        assert(size <= buffer_store->bo->size);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_priv_surface->res_mb_code_surface,
            buffer_store->bo);
    } else {
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_priv_surface->res_mb_code_surface,
                                                   ALIGN(size, 0x1000),
                                                   "mb code buffer");
        assert(allocate_flag != 0);
    }

    /* res_mv_data_surface for MV data */
    size = frame_mb_nums * FEI_AVC_MV_DATA_BUFFER_SIZE;
    if (avc_priv_surface->res_mv_data_surface.bo != NULL)
        i965_free_gpe_resource(&avc_priv_surface->res_mv_data_surface);
    if (fei_param->mv_data != VA_INVALID_ID) {
        obj_buffer = BUFFER(fei_param->mv_data);
        assert(obj_buffer != NULL);
        buffer_store = obj_buffer->buffer_store;
        assert(size <= buffer_store->bo->size);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_priv_surface->res_mv_data_surface,
            buffer_store->bo);
    } else {
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_priv_surface->res_mv_data_surface,
                                                   ALIGN(size, 0x1000),
                                                   "mv data buffer");
        assert(allocate_flag != 0);
    }

    /* fei mb control data surface */
    size = frame_mb_nums * FEI_AVC_MB_CONTROL_BUFFER_SIZE;
    if (fei_param->mb_input | fei_param->mb_size_ctrl) {
        assert(fei_param->mb_ctrl != VA_INVALID_ID);
        obj_buffer = BUFFER(fei_param->mb_ctrl);
        assert(obj_buffer != NULL);
        buffer_store = obj_buffer->buffer_store;
        assert(size <= buffer_store->bo->size);
        if (avc_priv_surface->res_fei_mb_cntrl_surface.bo != NULL)
            i965_free_gpe_resource(&avc_priv_surface->res_fei_mb_cntrl_surface);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_priv_surface->res_fei_mb_cntrl_surface,
            buffer_store->bo);
    }

    /* fei mv predictor surface*/
    size = frame_mb_nums * FEI_AVC_MV_PREDICTOR_BUFFER_SIZE;
    if (fei_param->mv_predictor_enable &&
        (fei_param->mv_predictor != VA_INVALID_ID)) {
        obj_buffer = BUFFER(fei_param->mv_predictor);
        assert(obj_buffer != NULL);
        buffer_store = obj_buffer->buffer_store;
        assert(size <= buffer_store->bo->size);
        if (avc_priv_surface->res_fei_mv_predictor_surface.bo != NULL)
            i965_free_gpe_resource(&avc_priv_surface->res_fei_mv_predictor_surface);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_priv_surface->res_fei_mv_predictor_surface,
            buffer_store->bo);
    } else {
        if (fei_param->mv_predictor_enable)
            assert(fei_param->mv_predictor != VA_INVALID_ID);
    }

    /* fei vme distortion */
    size = frame_mb_nums * FEI_AVC_DISTORTION_BUFFER_SIZE;
    if (avc_priv_surface->res_fei_vme_distortion_surface.bo != NULL)
        i965_free_gpe_resource(&avc_priv_surface->res_fei_vme_distortion_surface);
    if (fei_param->distortion != VA_INVALID_ID) {
        obj_buffer = BUFFER(fei_param->distortion);
        assert(obj_buffer != NULL);
        buffer_store = obj_buffer->buffer_store;
        assert(size <= buffer_store->bo->size);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_priv_surface->res_fei_vme_distortion_surface,
            buffer_store->bo);
    } else {
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_priv_surface->res_fei_vme_distortion_surface,
                                                   ALIGN(size, 0x1000),
                                                   "fei vme distortion");
        assert(allocate_flag != 0);
    }

    /* fei mb qp  */
    /* Fixme/Confirm:  not sure why we need 3 byte padding here */
    size = frame_mb_nums * FEI_AVC_QP_BUFFER_SIZE + 3;
    if (fei_param->mb_qp && (fei_param->qp != VA_INVALID_ID)) {
        obj_buffer = BUFFER(fei_param->qp);
        assert(obj_buffer != NULL);
        buffer_store = obj_buffer->buffer_store;
        assert((size - 3) <= buffer_store->bo->size);
        if (avc_priv_surface->res_fei_mb_qp_surface.bo != NULL)
            i965_free_gpe_resource(&avc_priv_surface->res_fei_mb_qp_surface);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_priv_surface->res_fei_mb_qp_surface,
            buffer_store->bo);
    } else {
        if (fei_param->mb_qp)
            assert(fei_param->qp != VA_INVALID_ID);
    }

    /*==== pak obj command buffer output ====*/
    size = frame_mb_nums * FEI_AVC_MB_CODE_BUFFER_SIZE;
    gpe_resource = &avc_priv_surface->res_mb_code_surface;
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                gpe_resource,
                                0,
                                size / 4,
                                0,
                                GEN9_AVC_MBENC_MFC_AVC_PAK_OBJ_INDEX);


    /*=== mv data buffer output */
    size = frame_mb_nums * FEI_AVC_MV_DATA_BUFFER_SIZE;
    gpe_resource = &avc_priv_surface->res_mv_data_surface;
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                gpe_resource,
                                0,
                                size / 4,
                                0,
                                GEN9_AVC_MBENC_IND_MV_DATA_INDEX);


    /* === current input Y (binding table offset = 3)=== */
    obj_surface = encode_state->input_yuv_object;
    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            0,
                            1,
                            I965_SURFACEFORMAT_R8_UNORM,
                            GEN9_AVC_MBENC_CURR_Y_INDEX);

    /* === current input UV === (binding table offset == 4)*/
    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            1,
                            1,
                            I965_SURFACEFORMAT_R16_UINT,
                            GEN9_AVC_MBENC_CURR_UV_INDEX);

    /* === input current YUV surface, (binding table offset == 15) === */
    i965_add_adv_gpe_surface(ctx, gpe_context,
                             obj_surface,
                             GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX);


    /*== input current  YUV surface, (binding table offset == 32)*/
    i965_add_adv_gpe_surface(ctx, gpe_context,
                             obj_surface,
                             GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX);

    /* list 0 references */
    for (i = 0; i < slice_param->num_ref_idx_l0_active_minus1 + 1; i++) {

        surface_id = slice_param->RefPicList0[i].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface || !obj_surface->private_data)
            break;
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX + i * 2 + 1);
    }


    /* list 1 references */
    for (i = 0; i < slice_param->num_ref_idx_l1_active_minus1 + 1; i++) {
        if (i > 0) break; // only  one ref supported here for B frame
        surface_id = slice_param->RefPicList1[i].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface || !obj_surface->private_data)
            break;

        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_INDEX + i * 2 + 2);
        if (i == 0) {
            avc_priv_surface = obj_surface->private_data;
            /* mb code of Backward reference frame */
            size = frame_mb_nums * FEI_AVC_MB_CODE_BUFFER_SIZE;
            gpe_resource = &avc_priv_surface->res_mb_code_surface;
            i965_add_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        gpe_resource,
                                        0,
                                        size / 4,
                                        0,
                                        GEN9_AVC_MBENC_FWD_MB_DATA_INDEX);

            /* mv data of backward ref frame */
            size = frame_mb_nums * FEI_AVC_MV_DATA_BUFFER_SIZE;
            gpe_resource = &avc_priv_surface->res_mv_data_surface;
            i965_add_buffer_gpe_surface(ctx,
                                        gpe_context,
                                        gpe_resource,
                                        0,
                                        size / 4,
                                        0,
                                        GEN9_AVC_MBENC_FWD_MV_DATA_INDEX);

        }
        //again
        if (i < INTEL_AVC_MAX_BWD_REF_NUM) {
            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     obj_surface,
                                     GEN9_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_INDEX + i * 2 + 1);
        }
    }

    /* as ref frame ,update later RefPicSelect of Current Picture*/
    obj_surface = encode_state->reconstructed_object;
    avc_priv_surface = obj_surface->private_data;
    if (avc_state->ref_pic_select_list_supported && avc_priv_surface->is_as_ref) {
        gpe_resource = &(avc_priv_surface->res_ref_pic_select_surface);
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_MBENC_REFPICSELECT_L0_INDEX);

    }


    /* mb specific data, macroblock control parameters */
    if ((fei_param->mb_input | fei_param->mb_size_ctrl) &&
        (fei_param->mb_ctrl != VA_INVALID_ID)) {
        size = frame_mb_nums * FEI_AVC_MB_CONTROL_BUFFER_SIZE;
        gpe_resource = &avc_priv_surface->res_fei_mb_cntrl_surface;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_MBENC_MB_SPECIFIC_DATA_INDEX);
    }

    /* multi mv predictor surface */
    if (fei_param->mv_predictor_enable && (fei_param->mv_predictor != VA_INVALID_ID)) {
        size = frame_mb_nums * 48; //sizeof (VAEncMVPredictorH264Intel) == 40
        gpe_resource = &avc_priv_surface->res_fei_mv_predictor_surface;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_MBENC_MV_PREDICTOR_INDEX);
    }

    /* mb qp */
    if (fei_param->mb_qp && (fei_param->qp != VA_INVALID_ID)) {
        size = frame_mb_nums  + 3;
        gpe_resource = &avc_priv_surface->res_fei_mb_qp_surface,
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_MBENC_MBQP_INDEX);
    }


    /*=== FEI distortion surface ====*/
    size = frame_mb_nums * 48; //sizeof (VAEncFEIDistortionBufferH264Intel) == 48
    gpe_resource = &avc_priv_surface->res_fei_vme_distortion_surface;
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                gpe_resource,
                                0,
                                size / 4,
                                0,
                                GEN9_AVC_MBENC_AUX_VME_OUT_INDEX);

    return;
}

static VAStatus
gen9_avc_kernel_mbenc(VADriverContextP ctx,
                      struct encode_state *encode_state,
                      struct intel_encoder_context *encoder_context,
                      bool i_frame_dist_in_use)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct i965_gpe_context *gpe_context;
    struct gpe_media_object_walker_parameter media_object_walker_param;
    struct gpe_encoder_kernel_walker_parameter kernel_walker_param;
    unsigned int downscaled_width_in_mb, downscaled_height_in_mb;
    int media_function = 0;
    int kernel_idx = 0;
    unsigned int mb_const_data_buffer_in_use = 0;
    unsigned int mb_qp_buffer_in_use = 0;
    unsigned int brc_enabled = 0;
    unsigned int roi_enable = (generic_state->num_roi > 0) ? 1 : 0;
    unsigned int dirty_roi_enable = ((generic_state->dirty_num_roi > 0) && (generic_state->frame_type == SLICE_TYPE_P) && (0));
    struct mbenc_param param ;

    int mbenc_i_frame_dist_in_use = i_frame_dist_in_use;
    int mad_enable = 0;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];

    mb_const_data_buffer_in_use =
        generic_state->mb_brc_enabled ||
        roi_enable ||
        dirty_roi_enable ||
        avc_state->mb_qp_data_enable ||
        avc_state->rolling_intra_refresh_enable;
    mb_qp_buffer_in_use =
        generic_state->mb_brc_enabled ||
        generic_state->brc_roi_enable ||
        avc_state->mb_qp_data_enable;

    if (mbenc_i_frame_dist_in_use) {
        media_function = INTEL_MEDIA_STATE_ENC_I_FRAME_DIST;
        kernel_idx = GEN9_AVC_KERNEL_BRC_I_FRAME_DIST;
        downscaled_width_in_mb = generic_state->downscaled_width_4x_in_mb;
        downscaled_height_in_mb = generic_state->downscaled_height_4x_in_mb;
        mad_enable = 0;
        brc_enabled = 0;

        gpe_context = &(avc_ctx->context_brc.gpe_contexts[kernel_idx]);
    } else {
        switch (generic_state->kernel_mode) {
        case INTEL_ENC_KERNEL_NORMAL : {
            media_function = INTEL_MEDIA_STATE_ENC_NORMAL;
            kernel_idx = MBENC_KERNEL_BASE + GEN9_AVC_KERNEL_MBENC_NORMAL_I;
            break;
        }
        case INTEL_ENC_KERNEL_PERFORMANCE : {
            media_function = INTEL_MEDIA_STATE_ENC_PERFORMANCE;
            kernel_idx = MBENC_KERNEL_BASE + GEN9_AVC_KERNEL_MBENC_PERFORMANCE_I;
            break;
        }
        case INTEL_ENC_KERNEL_QUALITY : {
            media_function = INTEL_MEDIA_STATE_ENC_QUALITY;
            kernel_idx = MBENC_KERNEL_BASE + GEN9_AVC_KERNEL_MBENC_QUALITY_I;
            break;
        }
        default:
            assert(0);

        }

        if (encoder_context->fei_enabled) {
            media_function = INTEL_MEDIA_STATE_ENC_NORMAL;
            kernel_idx = MBENC_KERNEL_BASE + GEN9_AVC_FEI_KERNEL_I;
        }

        if (generic_state->frame_type == SLICE_TYPE_P) {
            kernel_idx += 1;
        } else if (generic_state->frame_type == SLICE_TYPE_B) {
            kernel_idx += 2;
        }

        downscaled_width_in_mb = generic_state->frame_width_in_mbs;
        downscaled_height_in_mb = generic_state->frame_height_in_mbs;
        mad_enable = avc_state->mad_enable;
        brc_enabled = generic_state->brc_enabled;

        gpe_context = &(avc_ctx->context_mbenc.gpe_contexts[kernel_idx]);
    }

    memset(&param, 0, sizeof(struct mbenc_param));

    param.mb_const_data_buffer_in_use = mb_const_data_buffer_in_use;
    param.mb_qp_buffer_in_use = mb_qp_buffer_in_use;
    param.mbenc_i_frame_dist_in_use = mbenc_i_frame_dist_in_use;
    param.mad_enable = mad_enable;
    param.brc_enabled = brc_enabled;
    param.roi_enabled = roi_enable;

    if (avc_state->mb_status_supported) {
        param.mb_vproc_stats_enable =  avc_state->flatness_check_enable || avc_state->adaptive_transform_decision_enable;
    }

    if (!avc_state->mbenc_curbe_set_in_brc_update) {
        gpe->context_init(ctx, gpe_context);
    }

    gpe->reset_binding_table(ctx, gpe_context);

    if (!avc_state->mbenc_curbe_set_in_brc_update) {
        /*set curbe here*/
        generic_ctx->pfn_set_curbe_mbenc(ctx, encode_state, gpe_context, encoder_context, &param);
    }

    /* MB brc const data buffer set up*/
    if (mb_const_data_buffer_in_use) {
        // caculate the lambda table, it is kernel controlled trellis quantization,gen95+
        if (avc_state->lambda_table_enable)
            gen95_avc_calc_lambda_table(ctx, encode_state, encoder_context);

        gen9_avc_load_mb_brc_const_data(ctx, encode_state, encoder_context);
    }

    /*clear the mad buffer*/
    if (mad_enable) {
        i965_zero_gpe_resource(&(avc_ctx->res_mad_data_buffer));
    }
    /*send surface*/
    generic_ctx->pfn_send_mbenc_surface(ctx, encode_state, gpe_context, encoder_context, &param);

    gpe->setup_interface_data(ctx, gpe_context);

    /*walker setting*/
    memset(&kernel_walker_param, 0, sizeof(kernel_walker_param));

    kernel_walker_param.use_scoreboard = 1;
    kernel_walker_param.resolution_x = downscaled_width_in_mb ;
    kernel_walker_param.resolution_y = downscaled_height_in_mb ;
    if (mbenc_i_frame_dist_in_use) {
        kernel_walker_param.no_dependency = 1;
    } else {
        switch (generic_state->frame_type) {
        case SLICE_TYPE_I:
            kernel_walker_param.walker_degree = WALKER_45_DEGREE;
            break;
        case SLICE_TYPE_P:
            kernel_walker_param.walker_degree = WALKER_26_DEGREE;
            break;
        case SLICE_TYPE_B:
            kernel_walker_param.walker_degree = WALKER_26_DEGREE;
            if (!slice_param->direct_spatial_mv_pred_flag) {
                kernel_walker_param.walker_degree = WALKER_45_DEGREE;
            }
            break;
        default:
            assert(0);
        }
        kernel_walker_param.no_dependency = 0;
    }

    i965_init_media_object_walker_parameter(&kernel_walker_param, &media_object_walker_param);

    gen9_avc_run_kernel_media_object_walker(ctx, encoder_context,
                                            gpe_context,
                                            media_function,
                                            &media_object_walker_param);
    return VA_STATUS_SUCCESS;
}

/*
me kernle related function
*/
static void
gen9_avc_set_curbe_me(VADriverContextP ctx,
                      struct encode_state *encode_state,
                      struct i965_gpe_context *gpe_context,
                      struct intel_encoder_context *encoder_context,
                      void * param)
{
    gen9_avc_me_curbe_data *curbe_cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];

    struct me_param * curbe_param = (struct me_param *)param ;
    unsigned char  use_mv_from_prev_step = 0;
    unsigned char write_distortions = 0;
    unsigned char qp_prime_y = 0;
    unsigned char me_method = gen9_avc_p_me_method[generic_state->preset];
    unsigned char seach_table_idx = 0;
    unsigned char mv_shift_factor = 0, prev_mv_read_pos_factor = 0;
    unsigned int downscaled_width_in_mb, downscaled_height_in_mb;
    unsigned int scale_factor = 0;

    qp_prime_y = avc_state->pic_param->pic_init_qp + slice_param->slice_qp_delta;
    switch (curbe_param->hme_type) {
    case INTEL_ENC_HME_4x : {
        use_mv_from_prev_step = (generic_state->b16xme_enabled) ? 1 : 0;
        write_distortions = 1;
        mv_shift_factor = 2;
        scale_factor = 4;
        prev_mv_read_pos_factor = 0;
        break;
    }
    case INTEL_ENC_HME_16x : {
        use_mv_from_prev_step = (generic_state->b32xme_enabled) ? 1 : 0;
        write_distortions = 0;
        mv_shift_factor = 2;
        scale_factor = 16;
        prev_mv_read_pos_factor = 1;
        break;
    }
    case INTEL_ENC_HME_32x : {
        use_mv_from_prev_step = 0;
        write_distortions = 0;
        mv_shift_factor = 1;
        scale_factor = 32;
        prev_mv_read_pos_factor = 0;
        break;
    }
    default:
        assert(0);

    }
    curbe_cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!curbe_cmd)
        return;

    downscaled_width_in_mb = ALIGN(generic_state->frame_width_in_pixel / scale_factor, 16) / 16;
    downscaled_height_in_mb = ALIGN(generic_state->frame_height_in_pixel / scale_factor, 16) / 16;

    memcpy(curbe_cmd, gen9_avc_me_curbe_init_data, sizeof(gen9_avc_me_curbe_data));

    curbe_cmd->dw3.sub_pel_mode = 3;
    if (avc_state->field_scaling_output_interleaved) {
        /*frame set to zero,field specified*/
        curbe_cmd->dw3.src_access = 0;
        curbe_cmd->dw3.ref_access = 0;
        curbe_cmd->dw7.src_field_polarity = 0;
    }
    curbe_cmd->dw4.picture_height_minus1 = downscaled_height_in_mb - 1;
    curbe_cmd->dw4.picture_width = downscaled_width_in_mb;
    curbe_cmd->dw5.qp_prime_y = qp_prime_y;

    curbe_cmd->dw6.use_mv_from_prev_step = use_mv_from_prev_step;
    curbe_cmd->dw6.write_distortions = write_distortions;
    curbe_cmd->dw6.super_combine_dist = gen9_avc_super_combine_dist[generic_state->preset];
    curbe_cmd->dw6.max_vmvr = i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame only

    if (generic_state->frame_type == SLICE_TYPE_B) {
        curbe_cmd->dw1.bi_weight = 32;
        curbe_cmd->dw13.num_ref_idx_l1_minus1 = slice_param->num_ref_idx_l1_active_minus1;
        me_method = gen9_avc_b_me_method[generic_state->preset];
        seach_table_idx = 1;
    }

    if (generic_state->frame_type == SLICE_TYPE_P ||
        generic_state->frame_type == SLICE_TYPE_B)
        curbe_cmd->dw13.num_ref_idx_l0_minus1 = slice_param->num_ref_idx_l0_active_minus1;

    curbe_cmd->dw13.ref_streamin_cost = 5;
    curbe_cmd->dw13.roi_enable = 0;

    curbe_cmd->dw15.prev_mv_read_pos_factor = prev_mv_read_pos_factor;
    curbe_cmd->dw15.mv_shift_factor = mv_shift_factor;

    memcpy(&curbe_cmd->dw16, table_enc_search_path[seach_table_idx][me_method], 14 * sizeof(int));

    curbe_cmd->dw32._4x_memv_output_data_surf_index = GEN9_AVC_ME_MV_DATA_SURFACE_INDEX;
    curbe_cmd->dw33._16x_32x_memv_input_data_surf_index = (curbe_param->hme_type == INTEL_ENC_HME_32x) ? GEN9_AVC_32XME_MV_DATA_SURFACE_INDEX : GEN9_AVC_16XME_MV_DATA_SURFACE_INDEX ;
    curbe_cmd->dw34._4x_me_output_dist_surf_index = GEN9_AVC_ME_DISTORTION_SURFACE_INDEX;
    curbe_cmd->dw35._4x_me_output_brc_dist_surf_index = GEN9_AVC_ME_BRC_DISTORTION_INDEX;
    curbe_cmd->dw36.vme_fwd_inter_pred_surf_index = GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX;
    curbe_cmd->dw37.vme_bdw_inter_pred_surf_index = GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX;
    curbe_cmd->dw38.reserved = GEN9_AVC_ME_VDENC_STREAMIN_INDEX;

    i965_gpe_context_unmap_curbe(gpe_context);
    return;
}

static void
gen9_avc_send_surface_me(VADriverContextP ctx,
                         struct encode_state *encode_state,
                         struct i965_gpe_context *gpe_context,
                         struct intel_encoder_context *encoder_context,
                         void * param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);

    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct object_surface *obj_surface, *input_surface;
    struct gen9_surface_avc *avc_priv_surface;
    struct i965_gpe_resource *gpe_resource;
    struct me_param * curbe_param = (struct me_param *)param ;

    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VASurfaceID surface_id;
    int i = 0;

    /* all scaled input surface stored in reconstructed_object*/
    obj_surface = encode_state->reconstructed_object;
    if (!obj_surface || !obj_surface->private_data)
        return;
    avc_priv_surface = obj_surface->private_data;


    switch (curbe_param->hme_type) {
    case INTEL_ENC_HME_4x : {
        /*memv output 4x*/
        gpe_resource = &avc_ctx->s4x_memv_data_buffer;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_MV_DATA_SURFACE_INDEX);

        /*memv input 16x*/
        if (generic_state->b16xme_enabled) {
            gpe_resource = &avc_ctx->s16x_memv_data_buffer;
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_16XME_MV_DATA_SURFACE_INDEX);
        }
        /* brc distortion  output*/
        gpe_resource = &avc_ctx->res_brc_dist_data_surface;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_BRC_DISTORTION_INDEX);
        /* memv distortion output*/
        gpe_resource = &avc_ctx->s4x_memv_distortion_buffer;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_DISTORTION_SURFACE_INDEX);
        /*input current down scaled YUV surface*/
        obj_surface = encode_state->reconstructed_object;
        avc_priv_surface = obj_surface->private_data;
        input_surface = avc_priv_surface->scaled_4x_surface_obj;
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 input_surface,
                                 GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX);
        /*input ref scaled YUV surface*/
        for (i = 0; i < slice_param->num_ref_idx_l0_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList0[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface || !obj_surface->private_data)
                break;
            avc_priv_surface = obj_surface->private_data;

            input_surface = avc_priv_surface->scaled_4x_surface_obj;

            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX + i * 2 + 1);
        }

        obj_surface = encode_state->reconstructed_object;
        avc_priv_surface = obj_surface->private_data;
        input_surface = avc_priv_surface->scaled_4x_surface_obj;

        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 input_surface,
                                 GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX);

        for (i = 0; i < slice_param->num_ref_idx_l1_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList1[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface || !obj_surface->private_data)
                break;
            avc_priv_surface = obj_surface->private_data;

            input_surface = avc_priv_surface->scaled_4x_surface_obj;

            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX + i * 2 + 1);
        }
        break;

    }
    case INTEL_ENC_HME_16x : {
        gpe_resource = &avc_ctx->s16x_memv_data_buffer;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_MV_DATA_SURFACE_INDEX);

        if (generic_state->b32xme_enabled) {
            gpe_resource = &avc_ctx->s32x_memv_data_buffer;
            i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                           gpe_resource,
                                           1,
                                           I965_SURFACEFORMAT_R8_UNORM,
                                           GEN9_AVC_32XME_MV_DATA_SURFACE_INDEX);
        }

        obj_surface = encode_state->reconstructed_object;
        avc_priv_surface = obj_surface->private_data;
        input_surface = avc_priv_surface->scaled_16x_surface_obj;
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 input_surface,
                                 GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX);

        for (i = 0; i < slice_param->num_ref_idx_l0_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList0[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface || !obj_surface->private_data)
                break;
            avc_priv_surface = obj_surface->private_data;

            input_surface = avc_priv_surface->scaled_16x_surface_obj;

            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX + i * 2 + 1);
        }

        obj_surface = encode_state->reconstructed_object;
        avc_priv_surface = obj_surface->private_data;
        input_surface = avc_priv_surface->scaled_16x_surface_obj;

        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 input_surface,
                                 GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX);

        for (i = 0; i < slice_param->num_ref_idx_l1_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList1[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface || !obj_surface->private_data)
                break;
            avc_priv_surface = obj_surface->private_data;

            input_surface = avc_priv_surface->scaled_16x_surface_obj;

            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX + i * 2 + 1);
        }
        break;
    }
    case INTEL_ENC_HME_32x : {
        gpe_resource = &avc_ctx->s32x_memv_data_buffer;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_MV_DATA_SURFACE_INDEX);

        obj_surface = encode_state->reconstructed_object;
        avc_priv_surface = obj_surface->private_data;
        input_surface = avc_priv_surface->scaled_32x_surface_obj;
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 input_surface,
                                 GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX);

        for (i = 0; i < slice_param->num_ref_idx_l0_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList0[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface || !obj_surface->private_data)
                break;
            avc_priv_surface = obj_surface->private_data;

            input_surface = avc_priv_surface->scaled_32x_surface_obj;

            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX + i * 2 + 1);
        }

        obj_surface = encode_state->reconstructed_object;
        avc_priv_surface = obj_surface->private_data;
        input_surface = avc_priv_surface->scaled_32x_surface_obj;

        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 input_surface,
                                 GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX);

        for (i = 0; i < slice_param->num_ref_idx_l1_active_minus1 + 1; i++) {
            surface_id = slice_param->RefPicList1[i].picture_id;
            obj_surface = SURFACE(surface_id);
            if (!obj_surface || !obj_surface->private_data)
                break;
            avc_priv_surface = obj_surface->private_data;

            input_surface = avc_priv_surface->scaled_32x_surface_obj;

            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX + i * 2 + 1);
        }
        break;
    }
    default:
        assert(0);

    }
}

static VAStatus
gen9_avc_kernel_me(VADriverContextP ctx,
                   struct encode_state *encode_state,
                   struct intel_encoder_context *encoder_context,
                   int hme_type)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;

    struct i965_gpe_context *gpe_context;
    struct gpe_media_object_walker_parameter media_object_walker_param;
    struct gpe_encoder_kernel_walker_parameter kernel_walker_param;
    unsigned int downscaled_width_in_mb, downscaled_height_in_mb;
    int media_function = 0;
    int kernel_idx = 0;
    struct me_param param ;
    unsigned int scale_factor = 0;

    switch (hme_type) {
    case INTEL_ENC_HME_4x : {
        media_function = INTEL_MEDIA_STATE_4X_ME;
        scale_factor = 4;
        break;
    }
    case INTEL_ENC_HME_16x : {
        media_function = INTEL_MEDIA_STATE_16X_ME;
        scale_factor = 16;
        break;
    }
    case INTEL_ENC_HME_32x : {
        media_function = INTEL_MEDIA_STATE_32X_ME;
        scale_factor = 32;
        break;
    }
    default:
        assert(0);

    }

    downscaled_width_in_mb = ALIGN(generic_state->frame_width_in_pixel / scale_factor, 16) / 16;
    downscaled_height_in_mb = ALIGN(generic_state->frame_height_in_pixel / scale_factor, 16) / 16;

    /* I frame should not come here.*/
    kernel_idx = (generic_state->frame_type == SLICE_TYPE_P) ? GEN9_AVC_KERNEL_ME_P_IDX : GEN9_AVC_KERNEL_ME_B_IDX;
    gpe_context = &(avc_ctx->context_me.gpe_contexts[kernel_idx]);

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    /*set curbe*/
    memset(&param, 0, sizeof(param));
    param.hme_type = hme_type;
    generic_ctx->pfn_set_curbe_me(ctx, encode_state, gpe_context, encoder_context, &param);

    /*send surface*/
    generic_ctx->pfn_send_me_surface(ctx, encode_state, gpe_context, encoder_context, &param);

    gpe->setup_interface_data(ctx, gpe_context);

    memset(&kernel_walker_param, 0, sizeof(kernel_walker_param));
    /* the scaling is based on 8x8 blk level */
    kernel_walker_param.resolution_x = downscaled_width_in_mb ;
    kernel_walker_param.resolution_y = downscaled_height_in_mb ;
    kernel_walker_param.no_dependency = 1;

    i965_init_media_object_walker_parameter(&kernel_walker_param, &media_object_walker_param);

    gen9_avc_run_kernel_media_object_walker(ctx, encoder_context,
                                            gpe_context,
                                            media_function,
                                            &media_object_walker_param);

    return VA_STATUS_SUCCESS;
}

/*
wp related function
*/
static void
gen9_avc_set_curbe_wp(VADriverContextP ctx,
                      struct encode_state *encode_state,
                      struct i965_gpe_context *gpe_context,
                      struct intel_encoder_context *encoder_context,
                      void * param)
{
    gen9_avc_wp_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    struct wp_param * curbe_param = (struct wp_param *)param;

    cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!cmd)
        return;
    memset(cmd, 0, sizeof(gen9_avc_wp_curbe_data));
    if (curbe_param->ref_list_idx) {
        cmd->dw0.default_weight = slice_param->luma_weight_l1[0];
        cmd->dw0.default_offset = slice_param->luma_offset_l1[0];
    } else {
        cmd->dw0.default_weight = slice_param->luma_weight_l0[0];
        cmd->dw0.default_offset = slice_param->luma_offset_l0[0];
    }

    cmd->dw49.input_surface = GEN9_AVC_WP_INPUT_REF_SURFACE_INDEX;
    cmd->dw50.output_surface = GEN9_AVC_WP_OUTPUT_SCALED_SURFACE_INDEX;

    i965_gpe_context_unmap_curbe(gpe_context);

}

static void
gen9_avc_send_surface_wp(VADriverContextP ctx,
                         struct encode_state *encode_state,
                         struct i965_gpe_context *gpe_context,
                         struct intel_encoder_context *encoder_context,
                         void * param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct wp_param * curbe_param = (struct wp_param *)param;
    struct object_surface *obj_surface;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VASurfaceID surface_id;

    if (curbe_param->ref_list_idx) {
        surface_id = slice_param->RefPicList1[0].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface || !obj_surface->private_data)
            avc_state->weighted_ref_l1_enable = 0;
        else
            avc_state->weighted_ref_l1_enable = 1;
    } else {
        surface_id = slice_param->RefPicList0[0].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface || !obj_surface->private_data)
            avc_state->weighted_ref_l0_enable = 0;
        else
            avc_state->weighted_ref_l0_enable = 1;
    }
    if (!obj_surface)
        obj_surface = encode_state->reference_objects[0];


    i965_add_adv_gpe_surface(ctx, gpe_context,
                             obj_surface,
                             GEN9_AVC_WP_INPUT_REF_SURFACE_INDEX);

    obj_surface = avc_ctx->wp_output_pic_select_surface_obj[curbe_param->ref_list_idx];
    i965_add_adv_gpe_surface(ctx, gpe_context,
                             obj_surface,
                             GEN9_AVC_WP_OUTPUT_SCALED_SURFACE_INDEX);
}


static VAStatus
gen9_avc_kernel_wp(VADriverContextP ctx,
                   struct encode_state *encode_state,
                   struct intel_encoder_context *encoder_context,
                   unsigned int list1_in_use)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;

    struct i965_gpe_context *gpe_context;
    struct gpe_media_object_walker_parameter media_object_walker_param;
    struct gpe_encoder_kernel_walker_parameter kernel_walker_param;
    int media_function = INTEL_MEDIA_STATE_ENC_WP;
    struct wp_param param;

    gpe_context = &(avc_ctx->context_wp.gpe_contexts);

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    memset(&param, 0, sizeof(param));
    param.ref_list_idx = (list1_in_use == 1) ? 1 : 0;
    /*set curbe*/
    generic_ctx->pfn_set_curbe_wp(ctx, encode_state, gpe_context, encoder_context, &param);

    /*send surface*/
    generic_ctx->pfn_send_wp_surface(ctx, encode_state, gpe_context, encoder_context, &param);

    gpe->setup_interface_data(ctx, gpe_context);

    memset(&kernel_walker_param, 0, sizeof(kernel_walker_param));
    /* the scaling is based on 8x8 blk level */
    kernel_walker_param.resolution_x = generic_state->frame_width_in_mbs;
    kernel_walker_param.resolution_y = generic_state->frame_height_in_mbs;
    kernel_walker_param.no_dependency = 1;

    i965_init_media_object_walker_parameter(&kernel_walker_param, &media_object_walker_param);

    gen9_avc_run_kernel_media_object_walker(ctx, encoder_context,
                                            gpe_context,
                                            media_function,
                                            &media_object_walker_param);

    return VA_STATUS_SUCCESS;
}


/*
sfd related function
*/
static void
gen9_avc_set_curbe_sfd(VADriverContextP ctx,
                       struct encode_state *encode_state,
                       struct i965_gpe_context *gpe_context,
                       struct intel_encoder_context *encoder_context,
                       void * param)
{
    gen9_avc_sfd_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];

    cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!cmd)
        return;
    memset(cmd, 0, sizeof(gen9_avc_sfd_curbe_data));

    cmd->dw0.enable_intra_cost_scaling_for_static_frame = 1 ;
    cmd->dw0.enable_adaptive_mv_stream_in = 0 ;
    cmd->dw0.stream_in_type = 7 ;
    cmd->dw0.slice_type = slice_type_kernel[generic_state->frame_type]  ;
    cmd->dw0.brc_mode_enable = generic_state->brc_enabled ;
    cmd->dw0.vdenc_mode_disable = 1 ;

    cmd->dw1.hme_stream_in_ref_cost = 5 ;
    cmd->dw1.num_of_refs = slice_param->num_ref_idx_l0_active_minus1 ;
    cmd->dw1.qp_value = avc_state->pic_param->pic_init_qp + slice_param->slice_qp_delta ;

    cmd->dw2.frame_width_in_mbs = generic_state->frame_width_in_mbs ;
    cmd->dw2.frame_height_in_mbs = generic_state->frame_height_in_mbs ;

    cmd->dw3.large_mv_threshold = 128 ;
    cmd->dw4.total_large_mv_threshold = (generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs) / 100 ;
    cmd->dw5.zmv_threshold = 4 ;
    cmd->dw6.total_zmv_threshold = (generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs * avc_state->zero_mv_threshold) / 100 ; // zero_mv_threshold = 60;
    cmd->dw7.min_dist_threshold = 10 ;

    if (generic_state->frame_type == SLICE_TYPE_P) {
        memcpy(cmd->cost_table, gen9_avc_sfd_cost_table_p_frame, AVC_QP_MAX * sizeof(unsigned char));

    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        memcpy(cmd->cost_table, gen9_avc_sfd_cost_table_b_frame, AVC_QP_MAX * sizeof(unsigned char));
    }

    cmd->dw21.actual_width_in_mb = cmd->dw2.frame_width_in_mbs ;
    cmd->dw21.actual_height_in_mb = cmd->dw2.frame_height_in_mbs ;
    cmd->dw24.vdenc_input_image_state_index = GEN9_AVC_SFD_VDENC_INPUT_IMAGE_STATE_INDEX ;
    cmd->dw26.mv_data_surface_index = GEN9_AVC_SFD_MV_DATA_SURFACE_INDEX ;
    cmd->dw27.inter_distortion_surface_index = GEN9_AVC_SFD_INTER_DISTORTION_SURFACE_INDEX ;
    cmd->dw28.output_data_surface_index = GEN9_AVC_SFD_OUTPUT_DATA_SURFACE_INDEX ;
    cmd->dw29.vdenc_output_image_state_index = GEN9_AVC_SFD_VDENC_OUTPUT_IMAGE_STATE_INDEX ;

    i965_gpe_context_unmap_curbe(gpe_context);

}

static void
gen9_avc_send_surface_sfd(VADriverContextP ctx,
                          struct encode_state *encode_state,
                          struct i965_gpe_context *gpe_context,
                          struct intel_encoder_context *encoder_context,
                          void * param)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct i965_gpe_resource *gpe_resource;
    int size = 0;

    /*HME mv data surface memv output 4x*/
    gpe_resource = &avc_ctx->s4x_memv_data_buffer;
    i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                   gpe_resource,
                                   1,
                                   I965_SURFACEFORMAT_R8_UNORM,
                                   GEN9_AVC_SFD_MV_DATA_SURFACE_INDEX);

    /* memv distortion */
    gpe_resource = &avc_ctx->s4x_memv_distortion_buffer;
    i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                   gpe_resource,
                                   1,
                                   I965_SURFACEFORMAT_R8_UNORM,
                                   GEN9_AVC_SFD_INTER_DISTORTION_SURFACE_INDEX);
    /*buffer output*/
    size = 32 * 4 * 4;
    gpe_resource = &avc_ctx->res_sfd_output_buffer;
    i965_add_buffer_gpe_surface(ctx,
                                gpe_context,
                                gpe_resource,
                                0,
                                size / 4,
                                0,
                                GEN9_AVC_SFD_OUTPUT_DATA_SURFACE_INDEX);

}

static VAStatus
gen9_avc_kernel_sfd(VADriverContextP ctx,
                    struct encode_state *encode_state,
                    struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;

    struct i965_gpe_context *gpe_context;
    struct gpe_media_object_parameter media_object_param;
    struct gpe_media_object_inline_data media_object_inline_data;
    int media_function = INTEL_MEDIA_STATE_STATIC_FRAME_DETECTION;
    gpe_context = &(avc_ctx->context_sfd.gpe_contexts);

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    /*set curbe*/
    generic_ctx->pfn_set_curbe_sfd(ctx, encode_state, gpe_context, encoder_context, NULL);

    /*send surface*/
    generic_ctx->pfn_send_sfd_surface(ctx, encode_state, gpe_context, encoder_context, NULL);

    gpe->setup_interface_data(ctx, gpe_context);

    memset(&media_object_param, 0, sizeof(media_object_param));
    memset(&media_object_inline_data, 0, sizeof(media_object_inline_data));
    media_object_param.pinline_data = &media_object_inline_data;
    media_object_param.inline_size = sizeof(media_object_inline_data);

    gen9_avc_run_kernel_media_object(ctx, encoder_context,
                                     gpe_context,
                                     media_function,
                                     &media_object_param);

    return VA_STATUS_SUCCESS;
}

/**************** PreEnc Scaling *************************************/
/* function to run preenc scaling: gen9_avc_preenc_kernel_scaling()
 * function to set preenc scaling curbe is the same one using for avc encode
        == gen95_avc_set_curbe_scaling4x()
 * function to send buffer/surface resources is the same one using for avc encode
        == gen9_avc_send_surface_scaling()
 */
static VAStatus
gen9_avc_preenc_kernel_scaling(VADriverContextP ctx,
                               struct encode_state *encode_state,
                               struct intel_encoder_context *encoder_context,
                               int hme_type,
                               int scale_surface_type)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    VAStatsStatisticsParameterH264 *stat_param_h264 = NULL;
    VAStatsStatisticsParameter *stat_param = NULL;
    struct i965_gpe_context *gpe_context;
    struct scaling_param surface_param;
    struct object_surface *obj_surface = NULL;
    struct gpe_media_object_walker_parameter media_object_walker_param;
    struct gpe_encoder_kernel_walker_parameter kernel_walker_param;
    unsigned int downscaled_width_in_mb, downscaled_height_in_mb;
    int media_function = 0;
    int kernel_idx = 0;
    int enable_statistics_output;

    stat_param_h264 = avc_state->stat_param;
    assert(stat_param_h264);
    stat_param = &stat_param_h264->stats_params;
    enable_statistics_output = !stat_param_h264->disable_statistics_output;

    memset(&surface_param, 0, sizeof(struct scaling_param));
    media_function = INTEL_MEDIA_STATE_4X_SCALING;
    kernel_idx = GEN9_AVC_KERNEL_SCALING_4X_IDX;
    downscaled_width_in_mb = generic_state->downscaled_width_4x_in_mb;
    downscaled_height_in_mb = generic_state->downscaled_height_4x_in_mb;

    surface_param.input_frame_width = generic_state->frame_width_in_pixel;
    surface_param.input_frame_height = generic_state->frame_height_in_pixel;
    surface_param.output_frame_width = generic_state->frame_width_4x;
    surface_param.output_frame_height = generic_state->frame_height_4x;
    surface_param.use_4x_scaling  = 1 ;
    surface_param.use_16x_scaling = 0 ;
    surface_param.use_32x_scaling = 0 ;
    surface_param.enable_mb_flatness_check = enable_statistics_output;
    surface_param.enable_mb_variance_output = enable_statistics_output;
    surface_param.enable_mb_pixel_average_output = enable_statistics_output;
    surface_param.blk8x8_stat_enabled = stat_param_h264->enable_8x8_statistics;

    switch (scale_surface_type) {

    case  SCALE_CUR_PIC:
        surface_param.input_surface = encode_state->input_yuv_object ;
        surface_param.output_surface = avc_ctx->preenc_scaled_4x_surface_obj ;

        if (enable_statistics_output) {
            surface_param.pres_mbv_proc_stat_buffer =
                &avc_ctx->preproc_stat_data_out_buffer;
            surface_param.mbv_proc_stat_enabled = 1;
        } else {
            surface_param.mbv_proc_stat_enabled = 0;
            surface_param.pres_mbv_proc_stat_buffer = NULL;
        }
        break;

    case SCALE_PAST_REF_PIC:
        obj_surface = SURFACE(stat_param->past_references[0].picture_id);
        assert(obj_surface);
        surface_param.input_surface = obj_surface;
        surface_param.output_surface = avc_ctx->preenc_past_ref_scaled_4x_surface_obj;

        if (stat_param->past_ref_stat_buf) {
            surface_param.pres_mbv_proc_stat_buffer =
                &avc_ctx->preenc_past_ref_stat_data_out_buffer;
            surface_param.mbv_proc_stat_enabled = 1;
        } else {
            surface_param.mbv_proc_stat_enabled = 0;
            surface_param.pres_mbv_proc_stat_buffer = NULL;
        }
        break;

    case SCALE_FUTURE_REF_PIC:

        obj_surface = SURFACE(stat_param->future_references[0].picture_id);
        assert(obj_surface);
        surface_param.input_surface = obj_surface;
        surface_param.output_surface = avc_ctx->preenc_future_ref_scaled_4x_surface_obj;

        if (stat_param->future_ref_stat_buf) {
            surface_param.pres_mbv_proc_stat_buffer =
                &avc_ctx->preenc_future_ref_stat_data_out_buffer;
            surface_param.mbv_proc_stat_enabled = 1;
        } else {
            surface_param.mbv_proc_stat_enabled = 0;
            surface_param.pres_mbv_proc_stat_buffer = NULL;
        }
        break;
    default :
        assert(0);
    }

    gpe_context = &(avc_ctx->context_scaling.gpe_contexts[kernel_idx]);

    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    generic_ctx->pfn_set_curbe_scaling4x(ctx, encode_state, gpe_context, encoder_context, &surface_param);

    surface_param.scaling_out_use_16unorm_surf_fmt = 0 ;
    surface_param.scaling_out_use_32unorm_surf_fmt = 1 ;

    /* No need of explicit flatness_check surface allocation. The field mb_is_flat
     * VAStatsStatisticsH264 will be used to store the output.  */
    surface_param.enable_mb_flatness_check = 0;
    generic_ctx->pfn_send_scaling_surface(ctx, encode_state, gpe_context, encoder_context, &surface_param);

    /* setup the interface data */
    gpe->setup_interface_data(ctx, gpe_context);

    memset(&kernel_walker_param, 0, sizeof(kernel_walker_param));
    /* the scaling is based on 8x8 blk level */
    kernel_walker_param.resolution_x = downscaled_width_in_mb * 2;
    kernel_walker_param.resolution_y = downscaled_height_in_mb * 2;
    kernel_walker_param.no_dependency = 1;

    i965_init_media_object_walker_parameter(&kernel_walker_param, &media_object_walker_param);

    gen9_avc_run_kernel_media_object_walker(ctx, encoder_context,
                                            gpe_context,
                                            media_function,
                                            &media_object_walker_param);

    return VA_STATUS_SUCCESS;
}

/**************** PreEnc HME *************************************/
/* function to run preenc hme is the same one we using in avc encode:
         ==  gen9_avc_kernel_me()
 * function to set preenc hme curbe: gen9_avc_preenc_set_curbe_me()
 * function to send hme buffer/surface: gen9_avc_preenc_send_surface_me()
 */
static void
gen9_avc_preenc_set_curbe_me(VADriverContextP ctx,
                             struct encode_state *encode_state,
                             struct i965_gpe_context *gpe_context,
                             struct intel_encoder_context *encoder_context,
                             void * param)
{
    gen9_avc_fei_me_curbe_data *curbe_cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAStatsStatisticsParameterH264 * stat_param_h264 = avc_state->stat_param;
    VAStatsStatisticsParameter *stat_param = &stat_param_h264->stats_params;

    struct me_param * curbe_param = (struct me_param *)param ;
    unsigned char  use_mv_from_prev_step = 0;
    unsigned char write_distortions = 0;
    unsigned char me_method = gen9_avc_p_me_method[generic_state->preset];
    unsigned char seach_table_idx = 0;
    unsigned char mv_shift_factor = 0, prev_mv_read_pos_factor = 0;
    unsigned int downscaled_width_in_mb, downscaled_height_in_mb;
    unsigned int scale_factor = 0;

    switch (curbe_param->hme_type) {
    case INTEL_ENC_HME_4x:
        use_mv_from_prev_step = 0;
        write_distortions = 0;
        mv_shift_factor = 2;
        scale_factor = 4;
        prev_mv_read_pos_factor = 0;
        break;

    default:
        assert(0);
    }

    curbe_cmd = i965_gpe_context_map_curbe(gpe_context);
    if (!curbe_cmd)
        return;

    downscaled_width_in_mb = ALIGN(generic_state->frame_width_in_pixel / scale_factor, 16) / 16;
    downscaled_height_in_mb = ALIGN(generic_state->frame_height_in_pixel / scale_factor, 16) / 16;

    memcpy(curbe_cmd, gen9_avc_me_curbe_init_data, sizeof(gen9_avc_me_curbe_init_data));

    curbe_cmd->dw3.sub_pel_mode = stat_param_h264->sub_pel_mode;
    if (avc_state->field_scaling_output_interleaved) {
        /*frame set to zero,field specified*/
        curbe_cmd->dw3.src_access = 0;
        curbe_cmd->dw3.ref_access = 0;
        curbe_cmd->dw7.src_field_polarity = 0;
    }
    curbe_cmd->dw4.picture_height_minus1 = downscaled_height_in_mb - 1;
    curbe_cmd->dw4.picture_width = downscaled_width_in_mb;
    curbe_cmd->dw5.qp_prime_y = stat_param_h264->frame_qp;

    curbe_cmd->dw6.use_mv_from_prev_step = use_mv_from_prev_step;
    curbe_cmd->dw6.write_distortions = write_distortions;
    curbe_cmd->dw6.super_combine_dist = gen9_avc_super_combine_dist[generic_state->preset];
    curbe_cmd->dw6.max_vmvr = i965_avc_get_max_mv_len(INTEL_AVC_LEVEL_52) * 4;//frame only

    if (generic_state->frame_type == SLICE_TYPE_B) {
        curbe_cmd->dw1.bi_weight = 32;
        curbe_cmd->dw13.num_ref_idx_l1_minus1 = stat_param->num_future_references - 1;
        me_method = gen9_avc_b_me_method[generic_state->preset];
        seach_table_idx = 1;
    }

    if (generic_state->frame_type == SLICE_TYPE_P ||
        generic_state->frame_type == SLICE_TYPE_B)
        curbe_cmd->dw13.num_ref_idx_l0_minus1 = stat_param->num_past_references - 1;

    curbe_cmd->dw15.prev_mv_read_pos_factor = prev_mv_read_pos_factor;
    curbe_cmd->dw15.mv_shift_factor = mv_shift_factor;

    memcpy(&curbe_cmd->dw16, table_enc_search_path[seach_table_idx][me_method], 14 * sizeof(int));

    curbe_cmd->dw32._4x_memv_output_data_surf_index = GEN9_AVC_ME_MV_DATA_SURFACE_INDEX;
    curbe_cmd->dw33._16x_32x_memv_input_data_surf_index = (curbe_param->hme_type == INTEL_ENC_HME_32x) ? GEN9_AVC_32XME_MV_DATA_SURFACE_INDEX : GEN9_AVC_16XME_MV_DATA_SURFACE_INDEX ;
    curbe_cmd->dw34._4x_me_output_dist_surf_index = GEN9_AVC_ME_DISTORTION_SURFACE_INDEX;
    curbe_cmd->dw35._4x_me_output_brc_dist_surf_index = GEN9_AVC_ME_BRC_DISTORTION_INDEX;
    curbe_cmd->dw36.vme_fwd_inter_pred_surf_index = GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX;
    curbe_cmd->dw37.vme_bdw_inter_pred_surf_index = GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX;
    curbe_cmd->dw38.reserved = 0;

    i965_gpe_context_unmap_curbe(gpe_context);
    return;
}

static void
gen9_avc_preenc_send_surface_me(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct i965_gpe_context *gpe_context,
                                struct intel_encoder_context *encoder_context,
                                void * param)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAStatsStatisticsParameterH264 * stat_param_h264 = avc_state->stat_param;
    VAStatsStatisticsParameter *stat_param = &stat_param_h264->stats_params;
    struct object_surface *input_surface;
    struct i965_gpe_resource *gpe_resource;
    struct me_param * curbe_param = (struct me_param *)param ;
    int i = 0;

    /* PreEnc Only supports 4xme */
    assert(curbe_param->hme_type == INTEL_ENC_HME_4x);

    switch (curbe_param->hme_type) {
    case INTEL_ENC_HME_4x : {
        /*memv output 4x*/
        gpe_resource = &avc_ctx->s4x_memv_data_buffer;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_MV_DATA_SURFACE_INDEX);

        /* memv distortion output*/
        gpe_resource = &avc_ctx->s4x_memv_distortion_buffer;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_DISTORTION_SURFACE_INDEX);

        /* brc distortion  output*/
        gpe_resource = &avc_ctx->res_brc_dist_data_surface;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_ME_BRC_DISTORTION_INDEX);

        /* input past ref scaled YUV surface*/
        for (i = 0; i < stat_param->num_past_references; i++) {
            /*input current down scaled YUV surface for forward refef */
            input_surface = avc_ctx->preenc_scaled_4x_surface_obj;
            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX);

            input_surface = avc_ctx->preenc_past_ref_scaled_4x_surface_obj;
            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_FWD_REF_INDEX + i * 2 + 1);
        }

        /* input future ref scaled YUV surface*/
        for (i = 0; i < stat_param->num_future_references; i++) {
            /*input current down scaled YUV surface for backward ref */
            input_surface = avc_ctx->preenc_scaled_4x_surface_obj;
            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX);

            input_surface = avc_ctx->preenc_future_ref_scaled_4x_surface_obj;
            i965_add_adv_gpe_surface(ctx, gpe_context,
                                     input_surface,
                                     GEN9_AVC_ME_CURR_FOR_BWD_REF_INDEX + i * 2 + 1);
        }
        break;

    }
    default:
        break;

    }
}

/**************** PreEnc PreProc *************************************/
/* function to run preenc preproc: gen9_avc_preenc_kernel_preproc()
 * function to set preenc preproc curbe: gen9_avc_preenc_set_curbe_preproc()
 * function to send preproc buffer/surface: gen9_avc_preenc_send_surface_preproc ()
 */
static void
gen9_avc_preenc_set_curbe_preproc(VADriverContextP ctx,
                                  struct encode_state *encode_state,
                                  struct i965_gpe_context *gpe_context,
                                  struct intel_encoder_context *encoder_context,
                                  void * param)
{
    gen9_avc_preproc_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAStatsStatisticsParameterH264 *stat_param_h264 = avc_state->stat_param;
    VAStatsStatisticsParameter *stat_param = &stat_param_h264->stats_params;
    unsigned char me_method = 0;
    unsigned int table_idx = 0;
    int ref_width, ref_height, len_sp;
    int is_bframe = (generic_state->frame_type == SLICE_TYPE_B);
    int is_pframe = (generic_state->frame_type == SLICE_TYPE_P);
    unsigned int preset = generic_state->preset;

    cmd = (gen9_avc_preproc_curbe_data *)i965_gpe_context_map_curbe(gpe_context);
    if (!cmd)
        return;
    memset(cmd, 0, sizeof(gen9_avc_preproc_curbe_data));

    switch (generic_state->frame_type) {
    case SLICE_TYPE_I:
        memcpy(cmd, gen9_avc_preenc_preproc_curbe_i_frame_init_data,
               sizeof(gen9_avc_preproc_curbe_data));
        break;
    case SLICE_TYPE_P:
        memcpy(cmd, gen9_avc_preenc_preproc_curbe_p_frame_init_data,
               sizeof(gen9_avc_preproc_curbe_data));
        break;
    case SLICE_TYPE_B:
        memcpy(cmd, gen9_avc_preenc_preproc_curbe_b_frame_init_data,
               sizeof(gen9_avc_preproc_curbe_data));
        break;
    default:
        assert(0);
    }
    /* 4 means full search, 6 means diamand search */
    me_method  = (stat_param_h264->search_window == 5) ||
                 (stat_param_h264->search_window == 8) ? 4 : 6;

    ref_width    = stat_param_h264->ref_width;
    ref_height   = stat_param_h264->ref_height;
    len_sp       = stat_param_h264->len_sp;
    /* If there is a serch_window, discard user provided ref_width, ref_height
     * and search_path length */
    switch (stat_param_h264->search_window) {
    case 0:
        /*  not use predefined search window, there should be a search_path input */
        if ((stat_param_h264->search_path != 0) &&
            (stat_param_h264->search_path != 1) &&
            (stat_param_h264->search_path != 2)) {
            WARN_ONCE("Invalid input search_path for SearchWindow=0  \n");
            assert(0);
        }
        /* 4 means full search, 6 means diamand search */
        me_method = (stat_param_h264->search_path == 1) ? 6 : 4;
        if (((ref_width * ref_height) > 2048) || (ref_width > 64) || (ref_height > 64)) {
            WARN_ONCE("Invalid input ref_width/ref_height in"
                      "SearchWindow=0 case! \n");
            assert(0);
        }
        break;

    case 1:
        /* Tiny - 4 SUs 24x24 window */
        ref_width  = 24;
        ref_height = 24;
        len_sp     = 4;
        break;

    case 2:
        /* Small - 9 SUs 28x28 window */
        ref_width  = 28;
        ref_height = 28;
        len_sp     = 9;
        break;
    case 3:
        /* Diamond - 16 SUs 48x40 window */
        ref_width  = 48;
        ref_height = 40;
        len_sp     = 16;
        break;
    case 4:
        /* Large Diamond - 32 SUs 48x40 window */
        ref_width  = 48;
        ref_height = 40;
        len_sp     = 32;
        break;
    case 5:
        /* Exhaustive - 48 SUs 48x40 window */
        ref_width  = 48;
        ref_height = 40;
        len_sp     = 48;
        break;
    case 6:
        /* Diamond - 16 SUs 64x32 window */
        ref_width  = 64;
        ref_height = 32;
        len_sp     = 16;
        break;
    case 7:
        /* Large Diamond - 32 SUs 64x32 window */
        ref_width  = 64;
        ref_height = 32;
        len_sp     = 32;
        break;
    case 8:
        /* Exhaustive - 48 SUs 64x32 window */
        ref_width  = 64;
        ref_height = 32;
        len_sp     = 48;
        break;

    default:
        assert(0);
    }

    /* ref_width*ref_height = Max 64x32 one direction, Max 32x32 two directions */
    if (is_bframe) {
        CLIP(ref_width, 4, 32);
        CLIP(ref_height, 4, 32);
    } else if (is_pframe) {
        CLIP(ref_width, 4, 64);
        CLIP(ref_height, 4, 32);
    }

    cmd->dw0.adaptive_enable =
        cmd->dw37.adaptive_enable = stat_param_h264->adaptive_search;
    cmd->dw2.max_len_sp = len_sp;
    cmd->dw38.max_len_sp = 0; // HLD mandates this field to be Zero
    cmd->dw2.max_num_su = cmd->dw38.max_num_su = 57;
    cmd->dw3.src_access =
        cmd->dw3.ref_access = 0; // change it to (is_frame ? 0: 1) when interlace is suppoted

    if (generic_state->frame_type != SLICE_TYPE_I && avc_state->ftq_enable)
        cmd->dw3.ft_enable = stat_param_h264->ft_enable;
    else
        cmd->dw3.ft_enable = 0;

    cmd->dw2.pic_width = generic_state->frame_width_in_mbs;
    cmd->dw6.pic_height = cmd->dw5.slice_mb_height = generic_state->frame_height_in_mbs;
    cmd->dw3.sub_mb_part_mask = stat_param_h264->sub_mb_part_mask;
    cmd->dw3.sub_pel_mode = stat_param_h264->sub_pel_mode;
    cmd->dw3.inter_sad = stat_param_h264->inter_sad;
    cmd->dw3.intra_sad = stat_param_h264->intra_sad;
    cmd->dw4.hme_enable = generic_state->hme_enabled;
    cmd->dw4.frame_qp = stat_param_h264->frame_qp;
    cmd->dw4.per_mb_qp_enable = stat_param_h264->mb_qp;

    cmd->dw4.multiple_mv_predictor_per_mb_enable =
        (generic_state->frame_type != SLICE_TYPE_I) ? 0 : stat_param_h264->mv_predictor_ctrl;

    cmd->dw4.disable_mv_output = (generic_state->frame_type == SLICE_TYPE_I) ? 1 : stat_param_h264->disable_mv_output;
    cmd->dw4.disable_mb_stats = stat_param_h264->disable_statistics_output;

    cmd->dw4.fwd_ref_pic_enable = (stat_param->num_past_references > 0) ? 1 : 0;
    cmd->dw4.bwd_ref_pic_enable = (stat_param->num_future_references > 0) ? 1 : 0;

    cmd->dw7.intra_part_mask = stat_param_h264->intra_part_mask;

    /* mv mode cost */
    memcpy(&(cmd->dw8), gen75_avc_mode_mv_cost_table[slice_type_kernel[generic_state->frame_type]][stat_param_h264->frame_qp], 8 * sizeof(unsigned int));

    /* reset all except sic_fwd_trans_coeff_threshold_* from dw8 to dw15 */
    memset(&(cmd->dw8), 0, 6 * (sizeof(unsigned int)));

    /* search path tables */
    table_idx = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 0;
    memcpy(&(cmd->dw16), table_enc_search_path[table_idx][me_method], 16 * sizeof(unsigned int));

    if (stat_param_h264->intra_part_mask  == 0x07)
        cmd->dw31.intra_compute_type  = 3;

    cmd->dw38.ref_threshold = 400;
    cmd->dw39.hme_ref_windows_comb_threshold = (generic_state->frame_type == SLICE_TYPE_B) ? gen9_avc_hme_b_combine_len[preset] : gen9_avc_hme_combine_len[preset];

    if (generic_state->frame_type == SLICE_TYPE_I) {
        cmd->dw0.skip_mode_enable = cmd->dw37.skip_mode_enable = 0;
        cmd->dw36.hme_combine_overlap = 0;
    } else if (generic_state->frame_type == SLICE_TYPE_P) {
        cmd->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(INTEL_AVC_LEVEL_52) / 2;
        cmd->dw3.bme_disable_fbr = 1;
        cmd->dw5.ref_width = cmd->dw39.ref_width = ref_width;
        cmd->dw5.ref_height = cmd->dw39.ref_height = ref_height;
        cmd->dw7.non_skip_zmv_added = 1;
        cmd->dw7.non_skip_mode_added = 1;
        cmd->dw7.skip_center_mask = 1;
        cmd->dw32.max_vmv_r =
            i965_avc_get_max_mv_len(INTEL_AVC_LEVEL_52) * 4;
        cmd->dw36.hme_combine_overlap = 1;

    } else if (generic_state->frame_type == SLICE_TYPE_P) { /* B slice */

        cmd->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(INTEL_AVC_LEVEL_52) / 2;
        cmd->dw3.search_ctrl = 0;
        cmd->dw3.skip_type = 1;
        cmd->dw5.ref_width = cmd->dw39.ref_width = ref_width;
        cmd->dw5.ref_height = cmd->dw39.ref_height = ref_height;
        cmd->dw7.skip_center_mask = 0xff;
        cmd->dw32.max_vmv_r =
            i965_avc_get_max_mv_len(INTEL_AVC_LEVEL_52) * 4;
        cmd->dw36.hme_combine_overlap = 1;
    }

    cmd->dw40.curr_pic_surf_index = GEN9_AVC_PREPROC_CURR_Y_INDEX;
    cmd->dw41.hme_mv_dat_surf_index = GEN9_AVC_PREPROC_HME_MV_DATA_INDEX;
    cmd->dw42.mv_predictor_surf_index = GEN9_AVC_PREPROC_MV_PREDICTOR_INDEX;
    cmd->dw43.mb_qp_surf_index = GEN9_AVC_PREPROC_MBQP_INDEX;
    cmd->dw44.mv_data_out_surf_index = GEN9_AVC_PREPROC_MV_DATA_INDEX;
    cmd->dw45.mb_stats_out_surf_index = GEN9_AVC_PREPROC_MB_STATS_INDEX;
    cmd->dw46.vme_inter_prediction_surf_index = GEN9_AVC_PREPROC_VME_CURR_PIC_IDX_0_INDEX;
    cmd->dw47.vme_Inter_prediction_mr_surf_index = GEN9_AVC_PREPROC_VME_CURR_PIC_IDX_1_INDEX;
    cmd->dw48.ftq_lut_surf_index = GEN9_AVC_PREPROC_FTQ_LUT_INDEX;

    i965_gpe_context_unmap_curbe(gpe_context);
}

static void
gen9_avc_preenc_send_surface_preproc(VADriverContextP ctx,
                                     struct encode_state *encode_state,
                                     struct i965_gpe_context *gpe_context,
                                     struct intel_encoder_context *encoder_context,
                                     void * param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct object_surface *obj_surface;
    struct i965_gpe_resource *gpe_resource;
    VASurfaceID surface_id;
    VAStatsStatisticsParameterH264 *stat_param_h264 = avc_state->stat_param;
    VAStatsStatisticsParameter *stat_param = &stat_param_h264->stats_params;
    unsigned int size = 0, frame_mb_nums = 0;

    frame_mb_nums = generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs;

    /* input yuv surface, Y index */
    obj_surface = encode_state->input_yuv_object;
    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            0,
                            1,
                            I965_SURFACEFORMAT_R8_UNORM,
                            GEN9_AVC_PREPROC_CURR_Y_INDEX);

    /* input yuv surface, UV index */
    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            1,
                            1,
                            I965_SURFACEFORMAT_R16_UINT,
                            GEN9_AVC_MBENC_CURR_UV_INDEX);


    if (generic_state->hme_enabled) {
        /* HME mv data buffer */
        gpe_resource = &avc_ctx->s4x_memv_data_buffer;
        i965_add_buffer_2d_gpe_surface(ctx, gpe_context,
                                       gpe_resource,
                                       1,
                                       I965_SURFACEFORMAT_R8_UNORM,
                                       GEN9_AVC_PREPROC_HME_MV_DATA_INDEX);
    }

    /* mv predictor buffer */
    if (stat_param_h264->mv_predictor_ctrl) {
        size = frame_mb_nums * FEI_AVC_MV_PREDICTOR_BUFFER_SIZE;
        gpe_resource = &avc_ctx->preproc_mv_predictor_buffer;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_PREPROC_MV_PREDICTOR_INDEX);
    }

    /* MB qp buffer */
    if (stat_param_h264->mb_qp) {
        size = frame_mb_nums * FEI_AVC_QP_BUFFER_SIZE;
        gpe_resource = &avc_ctx->preproc_mb_qp_buffer;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_PREPROC_MBQP_INDEX);

        gpe_resource = &avc_ctx->res_mbbrc_const_data_buffer;
        size = 16 * AVC_QP_MAX * 4;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_PREPROC_FTQ_LUT_INDEX);

    }

    /* mv data output buffer */
    if (!stat_param_h264->disable_mv_output) {
        gpe_resource = &avc_ctx->preproc_mv_data_out_buffer;
        size = frame_mb_nums * FEI_AVC_MV_DATA_BUFFER_SIZE;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_PREPROC_MV_DATA_INDEX);
    }

    /* statistics output buffer */
    if (!stat_param_h264->disable_statistics_output) {
        gpe_resource = &avc_ctx->preproc_stat_data_out_buffer;
        size = frame_mb_nums * PREENC_AVC_STATISTICS_BUFFER_SIZE;
        i965_add_buffer_gpe_surface(ctx,
                                    gpe_context,
                                    gpe_resource,
                                    0,
                                    size / 4,
                                    0,
                                    GEN9_AVC_PREPROC_MB_STATS_INDEX);
    }

    /* vme cur pic y */
    obj_surface = encode_state->input_yuv_object;
    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            0,
                            1,
                            I965_SURFACEFORMAT_R8_UNORM,
                            GEN9_AVC_PREPROC_VME_CURR_PIC_IDX_0_INDEX);

    /* vme cur pic y (repeating based on required BTI order for mediakerel)*/
    obj_surface = encode_state->input_yuv_object;
    i965_add_2d_gpe_surface(ctx,
                            gpe_context,
                            obj_surface,
                            0,
                            1,
                            I965_SURFACEFORMAT_R8_UNORM,
                            GEN9_AVC_PREPROC_VME_CURR_PIC_IDX_1_INDEX);

    /* vme forward ref */
    /* Only supports one past ref */
    if (stat_param->num_past_references > 0) {
        surface_id = stat_param->past_references[0].picture_id;
        assert(surface_id != VA_INVALID_ID);
        obj_surface = SURFACE(surface_id);
        if (!obj_surface)
            return;
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_PREPROC_VME_FWD_PIC_IDX0_INDEX);

    }

    /* vme future ref */
    /* Only supports one future ref */
    if (stat_param->num_future_references > 0) {
        surface_id = stat_param->future_references[0].picture_id;
        assert(surface_id != VA_INVALID_ID);
        obj_surface = SURFACE(surface_id);
        if (!obj_surface)
            return;
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_PREPROC_VME_BWD_PIC_IDX0_0_INDEX);

        surface_id = stat_param->future_references[0].picture_id;
        assert(surface_id != VA_INVALID_ID);
        obj_surface = SURFACE(surface_id);
        if (!obj_surface)
            return;
        i965_add_adv_gpe_surface(ctx, gpe_context,
                                 obj_surface,
                                 GEN9_AVC_PREPROC_VME_BWD_PIC_IDX0_1_INDEX);
    }

    return;

}

static VAStatus
gen9_avc_preenc_kernel_preproc(VADriverContextP ctx,
                               struct encode_state *encode_state,
                               struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAStatsStatisticsParameterH264 * stat_param_h264 = avc_state->stat_param;
    struct i965_gpe_context *gpe_context;
    struct gpe_media_object_walker_parameter media_object_walker_param;
    struct gpe_encoder_kernel_walker_parameter kernel_walker_param;
    int media_function = INTEL_MEDIA_STATE_PREPROC;
    struct i965_gpe_resource *gpe_resource = NULL;
    unsigned int * data = NULL;
    unsigned int ftq_lut_table_size = 16 * 52; /* 16 DW per QP for each qp*/

    gpe_context = &(avc_ctx->context_preproc.gpe_contexts);
    gpe->context_init(ctx, gpe_context);
    gpe->reset_binding_table(ctx, gpe_context);

    /*set curbe*/
    generic_ctx->pfn_set_curbe_preproc(ctx, encode_state, gpe_context, encoder_context, NULL);

    /*send surface*/
    generic_ctx->pfn_send_preproc_surface(ctx, encode_state, gpe_context, encoder_context, NULL);

    gpe->setup_interface_data(ctx, gpe_context);

    /*  Set up FtqLut Buffer if there is QP change within a frame */
    if (stat_param_h264->mb_qp) {
        gpe_resource = &(avc_ctx->res_mbbrc_const_data_buffer);
        assert(gpe_resource);
        data = i965_map_gpe_resource(gpe_resource);
        assert(data);
        memcpy(data, gen9_avc_preenc_preproc_ftq_lut, ftq_lut_table_size * sizeof(unsigned int));
    }

    memset(&kernel_walker_param, 0, sizeof(kernel_walker_param));
    kernel_walker_param.resolution_x = generic_state->frame_width_in_mbs ;
    kernel_walker_param.resolution_y = generic_state->frame_height_in_mbs ;
    kernel_walker_param.no_dependency = 1;

    i965_init_media_object_walker_parameter(&kernel_walker_param, &media_object_walker_param);

    gen9_avc_run_kernel_media_object_walker(ctx, encoder_context,
                                            gpe_context,
                                            media_function,
                                            &media_object_walker_param);

    return VA_STATUS_SUCCESS;
}


static void
gen8_avc_set_curbe_mbenc(VADriverContextP ctx,
                         struct encode_state *encode_state,
                         struct i965_gpe_context *gpe_context,
                         struct intel_encoder_context *encoder_context,
                         void * param)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    gen8_avc_mbenc_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;
    VASurfaceID surface_id;
    struct object_surface *obj_surface;

    struct mbenc_param * curbe_param = (struct mbenc_param *)param ;
    unsigned char qp = 0;
    unsigned char me_method = 0;
    unsigned int mbenc_i_frame_dist_in_use = curbe_param->mbenc_i_frame_dist_in_use;
    unsigned int table_idx = 0;
    unsigned int curbe_size = 0;

    unsigned int preset = generic_state->preset;

    cmd = (gen8_avc_mbenc_curbe_data *)i965_gpe_context_map_curbe(gpe_context);
    if (!cmd)
        return;
    curbe_size = sizeof(gen8_avc_mbenc_curbe_data);
    memset(cmd, 0, curbe_size);

    if (mbenc_i_frame_dist_in_use) {
        memcpy(cmd, gen8_avc_mbenc_curbe_i_frame_dist_init_data, curbe_size);
    } else {
        switch (generic_state->frame_type) {
        case SLICE_TYPE_I:
            memcpy(cmd, gen8_avc_mbenc_curbe_normal_i_frame_init_data, curbe_size);
            break;
        case SLICE_TYPE_P:
            memcpy(cmd, gen8_avc_mbenc_curbe_normal_p_frame_init_data, curbe_size);
            break;
        case SLICE_TYPE_B:
            memcpy(cmd, gen8_avc_mbenc_curbe_normal_b_frame_init_data, curbe_size);
            break;
        default:
            assert(0);
        }
    }

    me_method = (generic_state->frame_type == SLICE_TYPE_B) ? gen9_avc_b_me_method[preset] : gen9_avc_p_me_method[preset];
    qp = pic_param->pic_init_qp + slice_param->slice_qp_delta;

    cmd->dw0.adaptive_enable = gen9_avc_enable_adaptive_search[preset];
    cmd->dw37.adaptive_enable = gen9_avc_enable_adaptive_search[preset];
    cmd->dw0.t8x8_flag_for_inter_enable = avc_state->transform_8x8_mode_enable;
    cmd->dw37.t8x8_flag_for_inter_enable = avc_state->transform_8x8_mode_enable;

    cmd->dw2.max_len_sp = gen9_avc_max_len_sp[preset];
    cmd->dw38.max_len_sp = 0;

    cmd->dw3.src_access = 0;
    cmd->dw3.ref_access = 0;

    if (avc_state->ftq_enable && (generic_state->frame_type != SLICE_TYPE_I)) {
        //disable ftq_override by now.
        if (avc_state->ftq_override) {
            cmd->dw3.ftq_enable = avc_state->ftq_enable;

        } else {
            if (generic_state->frame_type == SLICE_TYPE_P) {
                cmd->dw3.ftq_enable = gen9_avc_max_ftq_based_skip[preset] & 0x01;

            } else {
                cmd->dw3.ftq_enable = (gen9_avc_max_ftq_based_skip[preset] >> 1) & 0x01;
            }
        }
    } else {
        cmd->dw3.ftq_enable = 0;
    }

    if (avc_state->disable_sub_mb_partion)
        cmd->dw3.sub_mb_part_mask = 0x70;

    if (mbenc_i_frame_dist_in_use) {
        cmd->dw2.pitch_width = generic_state->downscaled_width_4x_in_mb;
        cmd->dw4.picture_height_minus1 = generic_state->downscaled_height_4x_in_mb - 1;
        cmd->dw5.slice_mb_height = (avc_state->slice_height + 4 - 1) / 4;
        cmd->dw6.batch_buffer_end = 0;
        cmd->dw31.intra_compute_type = 1;
    } else {
        cmd->dw2.pitch_width = generic_state->frame_width_in_mbs;
        cmd->dw4.picture_height_minus1 = generic_state->frame_height_in_mbs - 1;
        cmd->dw5.slice_mb_height = (avc_state->arbitrary_num_mbs_in_slice) ? generic_state->frame_height_in_mbs : avc_state->slice_height;

        memcpy(&(cmd->dw8), gen9_avc_mode_mv_cost_table[slice_type_kernel[generic_state->frame_type]][qp], 8 * sizeof(unsigned int));
        if ((generic_state->frame_type == SLICE_TYPE_I) && avc_state->old_mode_cost_enable) {
        } else if (avc_state->skip_bias_adjustment_enable) {
            /* Load different MvCost for P picture when SkipBiasAdjustment is enabled
            // No need to check for P picture as the flag is only enabled for P picture */
            cmd->dw11.value = gen9_avc_mv_cost_p_skip_adjustment[qp];
        }
        table_idx = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 0;
        memcpy(&(cmd->dw16), table_enc_search_path[table_idx][me_method], 16 * sizeof(unsigned int));
    }
    cmd->dw4.enable_intra_cost_scaling_for_static_frame = avc_state->sfd_enable && generic_state->hme_enabled;
    cmd->dw4.field_parity_flag = 0;//bottom field
    cmd->dw4.enable_cur_fld_idr = 0;//field realted
    cmd->dw4.contrained_intra_pred_flag = pic_param->pic_fields.bits.constrained_intra_pred_flag;
    cmd->dw4.hme_enable = generic_state->hme_enabled;
    cmd->dw4.picture_type = slice_type_kernel[generic_state->frame_type];
    cmd->dw4.use_actual_ref_qp_value = generic_state->hme_enabled && (gen9_avc_mr_disable_qp_check[preset] == 0);

    cmd->dw7.intra_part_mask = avc_state->transform_8x8_mode_enable ? 0 : 0x02;
    cmd->dw7.src_field_polarity = 0;//field related

    /*ftq_skip_threshold_lut set,dw14 /15*/

    /*r5 disable NonFTQSkipThresholdLUT*/
    if (generic_state->frame_type == SLICE_TYPE_P) {
        cmd->dw32.skip_val = gen9_avc_skip_value_p[avc_state->block_based_skip_enable][avc_state->transform_8x8_mode_enable][qp];
    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        cmd->dw32.skip_val = gen9_avc_skip_value_b[avc_state->block_based_skip_enable][avc_state->transform_8x8_mode_enable][qp];
    }

    cmd->dw13.qp_prime_y = qp;
    cmd->dw13.qp_prime_cb = qp;
    cmd->dw13.qp_prime_cr = qp;
    cmd->dw13.target_size_in_word = 0xff;//hardcode for brc disable

    if ((generic_state->frame_type != SLICE_TYPE_I) && avc_state->multi_pre_enable) {
        switch (gen9_avc_multi_pred[preset]) {
        case 0:
            cmd->dw32.mult_pred_l0_disable = 128;
            cmd->dw32.mult_pred_l1_disable = 128;
            break;
        case 1:
            cmd->dw32.mult_pred_l0_disable = (generic_state->frame_type == SLICE_TYPE_P) ? 1 : 128;
            cmd->dw32.mult_pred_l1_disable = 128;
            break;
        case 2:
            cmd->dw32.mult_pred_l0_disable = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 128;
            cmd->dw32.mult_pred_l1_disable = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 128;
            break;
        case 3:
            cmd->dw32.mult_pred_l0_disable = 1;
            cmd->dw32.mult_pred_l1_disable = (generic_state->frame_type == SLICE_TYPE_B) ? 1 : 128;
            break;
        }

    } else {
        cmd->dw32.mult_pred_l0_disable = 128;
        cmd->dw32.mult_pred_l1_disable = 128;
    }

    if (generic_state->frame_type == SLICE_TYPE_B) {
        cmd->dw34.list1_ref_id0_frm_field_parity = 0; //frame only
        cmd->dw34.list1_ref_id0_frm_field_parity = 0;
        cmd->dw34.b_direct_mode = slice_param->direct_spatial_mv_pred_flag;
    }

    cmd->dw34.b_original_bff = 0; //frame only
    cmd->dw34.enable_mb_flatness_check_optimization = avc_state->flatness_check_enable;
    cmd->dw34.roi_enable_flag = curbe_param->roi_enabled;
    cmd->dw34.mad_enable_falg = avc_state->mad_enable;
    cmd->dw34.mb_brc_enable = avc_state->mb_qp_data_enable || generic_state->mb_brc_enabled;
    cmd->dw34.arbitray_num_mbs_per_slice = avc_state->arbitrary_num_mbs_in_slice;
    cmd->dw34.force_non_skip_check = avc_state->mb_disable_skip_map_enable;

    if (!cmd->dw34.force_non_skip_check) {
        cmd->dw34.disable_enc_skip_check = avc_state->skip_check_disable;
    }

    cmd->dw36.check_all_fractional_enable = avc_state->caf_enable;
    cmd->dw38.ref_threshold = 400;
    cmd->dw39.hme_ref_windows_comb_threshold = (generic_state->frame_type == SLICE_TYPE_B) ? gen9_avc_hme_b_combine_len[preset] : gen9_avc_hme_combine_len[preset];
    cmd->dw47.mb_qp_read_factor = (avc_state->mb_qp_data_enable) ? 0 : 2;

    if (mbenc_i_frame_dist_in_use) {
        cmd->dw13.qp_prime_y = 0;
        cmd->dw13.qp_prime_cb = 0;
        cmd->dw13.qp_prime_cr = 0;
        cmd->dw33.intra_16x16_nondc_penalty = 0;
        cmd->dw33.intra_8x8_nondc_penalty = 0;
        cmd->dw33.intra_4x4_nondc_penalty = 0;
    }
    if (cmd->dw4.use_actual_ref_qp_value) {
        cmd->dw44.actual_qp_value_for_ref_id0_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 0);
        cmd->dw44.actual_qp_value_for_ref_id1_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 1);
        cmd->dw44.actual_qp_value_for_ref_id2_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 2);
        cmd->dw44.actual_qp_value_for_ref_id3_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 3);
        cmd->dw45.actual_qp_value_for_ref_id4_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 4);
        cmd->dw45.actual_qp_value_for_ref_id5_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 5);
        cmd->dw45.actual_qp_value_for_ref_id6_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 6);
        cmd->dw45.actual_qp_value_for_ref_id7_list0 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 0, 7);
        cmd->dw46.actual_qp_value_for_ref_id0_list1 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 1, 0);
        cmd->dw46.actual_qp_value_for_ref_id1_list1 =  gen9_avc_get_qp_from_ref_list(ctx, slice_param, 1, 1);
    }

    table_idx = slice_type_kernel[generic_state->frame_type];
    cmd->dw46.ref_cost = gen8_avc_ref_cost[table_idx][qp];
    if (generic_state->frame_type == SLICE_TYPE_I) {
        cmd->dw0.skip_mode_enable = 0;
        cmd->dw37.skip_mode_enable = 0;
        cmd->dw36.hme_combine_overlap = 0;
        cmd->dw47.intra_cost_sf = 16;
        cmd->dw34.enable_direct_bias_adjustment = 0;
        cmd->dw34.enable_global_motion_bias_adjustment = 0;

    } else if (generic_state->frame_type == SLICE_TYPE_P) {
        cmd->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(avc_state->seq_param->level_idc) / 2;
        cmd->dw3.bme_disable_fbr = 1;
        cmd->dw5.ref_width = gen9_avc_search_x[preset];
        cmd->dw5.ref_height = gen9_avc_search_y[preset];
        cmd->dw7.non_skip_zmv_added = 1;
        cmd->dw7.non_skip_mode_added = 1;
        cmd->dw7.skip_center_mask = 1;
        cmd->dw47.intra_cost_sf = (avc_state->adaptive_intra_scaling_enable) ? gen9_avc_adaptive_intra_scaling_factor[qp] : gen9_avc_intra_scaling_factor[qp];
        cmd->dw47.max_vmv_r = i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame onlys
        cmd->dw36.hme_combine_overlap = 1;
        cmd->dw36.num_ref_idx_l0_minus_one = (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l0_active_minus1 : 0;
        cmd->dw39.ref_width = gen9_avc_search_x[preset];
        cmd->dw39.ref_height = gen9_avc_search_y[preset];
        cmd->dw34.enable_direct_bias_adjustment = 0;
        cmd->dw34.enable_global_motion_bias_adjustment = avc_state->global_motion_bias_adjustment_enable;
        if (avc_state->global_motion_bias_adjustment_enable)
            cmd->dw58.hme_mv_cost_scaling_factor = avc_state->hme_mv_cost_scaling_factor;
    } else {
        cmd->dw1.max_num_mvs = i965_avc_get_max_mv_per_2mb(avc_state->seq_param->level_idc) / 2;
        cmd->dw1.bi_weight = avc_state->bi_weight;
        cmd->dw3.search_ctrl = 7;
        cmd->dw3.skip_type = 1;
        cmd->dw5.ref_width = gen9_avc_b_search_x[preset];
        cmd->dw5.ref_height = gen9_avc_b_search_y[preset];
        cmd->dw7.skip_center_mask = 0xff;
        cmd->dw47.intra_cost_sf = (avc_state->adaptive_intra_scaling_enable) ? gen9_avc_adaptive_intra_scaling_factor[qp] : gen9_avc_intra_scaling_factor[qp];
        cmd->dw47.max_vmv_r = i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame only
        cmd->dw36.hme_combine_overlap = 1;
        surface_id = slice_param->RefPicList1[0].picture_id;
        obj_surface = SURFACE(surface_id);
        if (!obj_surface) {
            WARN_ONCE("Invalid backward reference frame\n");
            return;
        }
        cmd->dw36.is_fwd_frame_short_term_ref = !!(slice_param->RefPicList1[0].flags & VA_PICTURE_H264_SHORT_TERM_REFERENCE);
        cmd->dw36.num_ref_idx_l0_minus_one = (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l0_active_minus1 : 0;
        cmd->dw36.num_ref_idx_l1_minus_one = (avc_state->multi_pre_enable) ? slice_param->num_ref_idx_l1_active_minus1 : 0;
        cmd->dw39.ref_width = gen9_avc_b_search_x[preset];
        cmd->dw39.ref_height = gen9_avc_b_search_y[preset];
        cmd->dw40.dist_scale_factor_ref_id0_list0 = avc_state->dist_scale_factor_list0[0];
        cmd->dw40.dist_scale_factor_ref_id1_list0 = avc_state->dist_scale_factor_list0[1];
        cmd->dw41.dist_scale_factor_ref_id2_list0 = avc_state->dist_scale_factor_list0[2];
        cmd->dw41.dist_scale_factor_ref_id3_list0 = avc_state->dist_scale_factor_list0[3];
        cmd->dw42.dist_scale_factor_ref_id4_list0 = avc_state->dist_scale_factor_list0[4];
        cmd->dw42.dist_scale_factor_ref_id5_list0 = avc_state->dist_scale_factor_list0[5];
        cmd->dw43.dist_scale_factor_ref_id6_list0 = avc_state->dist_scale_factor_list0[6];
        cmd->dw43.dist_scale_factor_ref_id7_list0 = avc_state->dist_scale_factor_list0[7];
        cmd->dw34.enable_direct_bias_adjustment = avc_state->direct_bias_adjustment_enable;
        if (cmd->dw34.enable_direct_bias_adjustment) {
            cmd->dw7.non_skip_zmv_added = 1;
            cmd->dw7.non_skip_mode_added = 1;
        }

        cmd->dw34.enable_global_motion_bias_adjustment = avc_state->global_motion_bias_adjustment_enable;
        if (avc_state->global_motion_bias_adjustment_enable)
            cmd->dw58.hme_mv_cost_scaling_factor = avc_state->hme_mv_cost_scaling_factor;

        cmd->dw64.l1_list_ref0_pic_coding_type = 0; // always frame
    }
    avc_state->block_based_skip_enable = cmd->dw3.block_based_skip_enable;

    if (avc_state->rolling_intra_refresh_enable) {
        /*by now disable it*/
        if (generic_state->brc_enabled) {
            cmd->dw4.enable_intra_refresh = false;
            cmd->dw34.widi_intra_refresh_en = avc_state->rolling_intra_refresh_enable;
            cmd->dw48.widi_intra_refresh_mbx = 0;
            cmd->dw58.widi_intra_refresh_mby = 0;
        } else {
            cmd->dw4.enable_intra_refresh = true;
            cmd->dw34.widi_intra_refresh_en = avc_state->rolling_intra_refresh_enable;
        }
        cmd->dw32.mult_pred_l0_disable = 128;
        /* Pass the same IntraRefreshUnit to the kernel w/o the adjustment by -1, so as to have an overlap of one MB row or column of Intra macroblocks
         across one P frame to another P frame, as needed by the RollingI algo */
        cmd->dw48.widi_intra_refresh_mbx = 0;
        cmd->dw48.widi_intra_refresh_unit_in_mb_minus1 = 0;
        cmd->dw48.widi_intra_refresh_qp_delta = 0;

    } else {
        cmd->dw34.widi_intra_refresh_en = 0;
    }

    /*roi set disable by now. 49-56*/
    if (curbe_param->roi_enabled) {
        cmd->dw49.roi_1_x_left   = generic_state->roi[0].left;
        cmd->dw49.roi_1_y_top    = generic_state->roi[0].top;
        cmd->dw50.roi_1_x_right  = generic_state->roi[0].right;
        cmd->dw50.roi_1_y_bottom = generic_state->roi[0].bottom;

        cmd->dw51.roi_2_x_left   = generic_state->roi[1].left;
        cmd->dw51.roi_2_y_top    = generic_state->roi[1].top;
        cmd->dw52.roi_2_x_right  = generic_state->roi[1].right;
        cmd->dw52.roi_2_y_bottom = generic_state->roi[1].bottom;

        cmd->dw53.roi_3_x_left   = generic_state->roi[2].left;
        cmd->dw53.roi_3_y_top    = generic_state->roi[2].top;
        cmd->dw54.roi_3_x_right  = generic_state->roi[2].right;
        cmd->dw54.roi_3_y_bottom = generic_state->roi[2].bottom;

        cmd->dw55.roi_4_x_left   = generic_state->roi[3].left;
        cmd->dw55.roi_4_y_top    = generic_state->roi[3].top;
        cmd->dw56.roi_4_x_right  = generic_state->roi[3].right;
        cmd->dw56.roi_4_y_bottom = generic_state->roi[3].bottom;

        if (!generic_state->brc_enabled) {
            char tmp = 0;
            tmp = generic_state->roi[0].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd->dw57.roi_1_dqp_prime_y = tmp;
            tmp = generic_state->roi[1].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd->dw57.roi_2_dqp_prime_y = tmp;
            tmp = generic_state->roi[2].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd->dw57.roi_3_dqp_prime_y = tmp;
            tmp = generic_state->roi[3].value;
            CLIP(tmp, -qp, AVC_QP_MAX - qp);
            cmd->dw57.roi_4_dqp_prime_y = tmp;
        } else {
            cmd->dw34.roi_enable_flag = 0;
        }
    }

    //IPCM QP and threshold
    cmd->dw65.ipcm_qp0 = gen8_avc_ipcm_threshold_table[0].qp;
    cmd->dw65.ipcm_qp1 = gen8_avc_ipcm_threshold_table[1].qp;
    cmd->dw65.ipcm_qp2 = gen8_avc_ipcm_threshold_table[2].qp;
    cmd->dw65.ipcm_qp3 = gen8_avc_ipcm_threshold_table[3].qp;
    cmd->dw66.ipcm_qp4 = gen8_avc_ipcm_threshold_table[4].qp;
    cmd->dw66.ipcm_thresh0 = gen8_avc_ipcm_threshold_table[0].threshold;
    cmd->dw67.ipcm_thresh1 = gen8_avc_ipcm_threshold_table[1].threshold;
    cmd->dw67.ipcm_thresh2 = gen8_avc_ipcm_threshold_table[2].threshold;
    cmd->dw68.ipcm_thresh3 = gen8_avc_ipcm_threshold_table[3].threshold;
    cmd->dw68.ipcm_thresh4 = gen8_avc_ipcm_threshold_table[4].threshold;

    cmd->dw73.mb_data_surf_index = GEN8_AVC_MBENC_MFC_AVC_PAK_OBJ_CM;
    cmd->dw74.mv_data_surf_index =  GEN8_AVC_MBENC_IND_MV_DATA_CM;
    cmd->dw75.i_dist_surf_index = GEN8_AVC_MBENC_BRC_DISTORTION_CM;
    cmd->dw76.src_y_surf_index = GEN8_AVC_MBENC_CURR_Y_CM;
    cmd->dw77.mb_specific_data_surf_index = GEN8_AVC_MBENC_MB_SPECIFIC_DATA_CM;
    cmd->dw78.aux_vme_out_surf_index = GEN8_AVC_MBENC_AUX_VME_OUT_CM;
    cmd->dw79.curr_ref_pic_sel_surf_index = GEN8_AVC_MBENC_REFPICSELECT_L0_CM;
    cmd->dw80.hme_mv_pred_fwd_bwd_surf_index = GEN8_AVC_MBENC_MV_DATA_FROM_ME_CM;
    cmd->dw81.hme_dist_surf_index = GEN8_AVC_MBENC_4xME_DISTORTION_CM;
    cmd->dw82.slice_map_surf_index = GEN8_AVC_MBENC_SLICEMAP_DATA_CM;
    cmd->dw83.fwd_frm_mb_data_surf_index = GEN8_AVC_MBENC_FWD_MB_DATA_CM;
    cmd->dw84.fwd_frm_mv_surf_index = GEN8_AVC_MBENC_FWD_MV_DATA_CM;
    cmd->dw85.mb_qp_buffer = GEN8_AVC_MBENC_MBQP_CM;
    cmd->dw86.mb_brc_lut = GEN8_AVC_MBENC_MBBRC_CONST_DATA_CM;
    cmd->dw87.vme_inter_prediction_surf_index = GEN8_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_0_CM;
    cmd->dw88.vme_inter_prediction_mr_surf_index = GEN8_AVC_MBENC_VME_INTER_PRED_CURR_PIC_IDX_1_CM;
    cmd->dw89.flatness_chk_surf_index = GEN8_AVC_MBENC_FLATNESS_CHECK_CM;
    cmd->dw90.mad_surf_index = GEN8_AVC_MBENC_MAD_DATA_CM;
    cmd->dw91.force_non_skip_mb_map_surface = GEN8_AVC_MBENC_FORCE_NONSKIP_MB_MAP_CM;
    cmd->dw92.widi_wa_surf_index = GEN8_AVC_MBENC_WIDI_WA_DATA_CM;
    cmd->dw93.brc_curbe_surf_index = GEN8_AVC_MBENC_BRC_CURBE_DATA_CM;
    cmd->dw94.static_detection_cost_table_index = GEN8_AVC_MBENC_STATIC_FRAME_DETECTION_OUTPUT_CM;

    i965_gpe_context_unmap_curbe(gpe_context);

    return;
}

static void
gen8_avc_set_curbe_scaling4x(VADriverContextP ctx,
                             struct encode_state *encode_state,
                             struct i965_gpe_context *gpe_context,
                             struct intel_encoder_context *encoder_context,
                             void *param)
{
    gen8_avc_scaling4x_curbe_data *curbe_cmd;
    struct scaling_param *surface_param = (struct scaling_param *)param;

    curbe_cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!curbe_cmd)
        return;

    memset(curbe_cmd, 0, sizeof(gen9_avc_scaling4x_curbe_data));

    curbe_cmd->dw0.input_picture_width  = surface_param->input_frame_width;
    curbe_cmd->dw0.input_picture_height = surface_param->input_frame_height;

    curbe_cmd->dw1.input_y_bti = GEN8_SCALING_FRAME_SRC_Y_CM;
    curbe_cmd->dw2.output_y_bti = GEN8_SCALING_FRAME_DST_Y_CM;

    curbe_cmd->dw5.flatness_threshold = 0;
    if (surface_param->enable_mb_flatness_check) {
        curbe_cmd->dw5.flatness_threshold = 128;
        curbe_cmd->dw8.flatness_output_bti_top_field = 4;
    }

    curbe_cmd->dw6.enable_mb_flatness_check = surface_param->enable_mb_flatness_check;
    curbe_cmd->dw6.enable_mb_variance_output = surface_param->enable_mb_variance_output;
    curbe_cmd->dw6.enable_mb_pixel_average_output = surface_param->enable_mb_pixel_average_output;

    if (curbe_cmd->dw6.enable_mb_variance_output ||
        curbe_cmd->dw6.enable_mb_pixel_average_output) {
        curbe_cmd->dw10.mbv_proc_states_bti_top_field  = GEN8_SCALING_FIELD_TOP_MBVPROCSTATS_DST_CM;
        curbe_cmd->dw11.mbv_proc_states_bti_bottom_field = GEN8_SCALING_FIELD_BOT_MBVPROCSTATS_DST_CM;
    }

    i965_gpe_context_unmap_curbe(gpe_context);
    return;
}

static void
gen8_avc_set_curbe_me(VADriverContextP ctx,
                      struct encode_state *encode_state,
                      struct i965_gpe_context *gpe_context,
                      struct intel_encoder_context *encoder_context,
                      void * param)
{
    gen8_avc_me_curbe_data *curbe_cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];

    struct me_param * curbe_param = (struct me_param *)param ;
    unsigned char  use_mv_from_prev_step = 0;
    unsigned char write_distortions = 0;
    unsigned char qp_prime_y = 0;
    unsigned char me_method = gen9_avc_p_me_method[generic_state->preset];
    unsigned char seach_table_idx = 0;
    unsigned char mv_shift_factor = 0, prev_mv_read_pos_factor = 0;
    unsigned int downscaled_width_in_mb, downscaled_height_in_mb;
    unsigned int scale_factor = 0;

    qp_prime_y = avc_state->pic_param->pic_init_qp + slice_param->slice_qp_delta;
    switch (curbe_param->hme_type) {
    case INTEL_ENC_HME_4x : {
        use_mv_from_prev_step = (generic_state->b16xme_enabled) ? 1 : 0;
        write_distortions = 1;
        mv_shift_factor = 2;
        scale_factor = 4;
        prev_mv_read_pos_factor = 0;
        break;
    }
    case INTEL_ENC_HME_16x : {
        use_mv_from_prev_step = (generic_state->b32xme_enabled) ? 1 : 0;
        write_distortions = 0;
        mv_shift_factor = 2;
        scale_factor = 16;
        prev_mv_read_pos_factor = 1;
        break;
    }
    case INTEL_ENC_HME_32x : {
        use_mv_from_prev_step = 0;
        write_distortions = 0;
        mv_shift_factor = 1;
        scale_factor = 32;
        prev_mv_read_pos_factor = 0;
        break;
    }
    default:
        assert(0);

    }
    curbe_cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!curbe_cmd)
        return;

    downscaled_width_in_mb = ALIGN(generic_state->frame_width_in_pixel / scale_factor, 16) / 16;
    downscaled_height_in_mb = ALIGN(generic_state->frame_height_in_pixel / scale_factor, 16) / 16;

    memcpy(curbe_cmd, gen8_avc_me_curbe_init_data, sizeof(gen8_avc_me_curbe_data));

    curbe_cmd->dw3.sub_pel_mode = 3;
    if (avc_state->field_scaling_output_interleaved) {
        /*frame set to zero,field specified*/
        curbe_cmd->dw3.src_access = 0;
        curbe_cmd->dw3.ref_access = 0;
        curbe_cmd->dw7.src_field_polarity = 0;
    }
    curbe_cmd->dw4.picture_height_minus1 = downscaled_height_in_mb - 1;
    curbe_cmd->dw4.picture_width = downscaled_width_in_mb;
    curbe_cmd->dw5.qp_prime_y = qp_prime_y;

    curbe_cmd->dw6.use_mv_from_prev_step = use_mv_from_prev_step;
    curbe_cmd->dw6.write_distortions = write_distortions;
    curbe_cmd->dw6.super_combine_dist = gen9_avc_super_combine_dist[generic_state->preset];
    curbe_cmd->dw6.max_vmvr = i965_avc_get_max_mv_len(avc_state->seq_param->level_idc) * 4;//frame only

    if (generic_state->frame_type == SLICE_TYPE_B) {
        curbe_cmd->dw1.bi_weight = 32;
        curbe_cmd->dw13.num_ref_idx_l1_minus1 = slice_param->num_ref_idx_l1_active_minus1;
        me_method = gen9_avc_b_me_method[generic_state->preset];
        seach_table_idx = 1;
    }

    if (generic_state->frame_type == SLICE_TYPE_P ||
        generic_state->frame_type == SLICE_TYPE_B)
        curbe_cmd->dw13.num_ref_idx_l0_minus1 = slice_param->num_ref_idx_l0_active_minus1;

    curbe_cmd->dw15.prev_mv_read_pos_factor = prev_mv_read_pos_factor;
    curbe_cmd->dw15.mv_shift_factor = mv_shift_factor;

    memcpy(&curbe_cmd->dw16, table_enc_search_path[seach_table_idx][me_method], 14 * sizeof(int));

    curbe_cmd->dw32._4x_memv_output_data_surf_index = GEN8_AVC_ME_MV_DATA_SURFACE_CM;
    curbe_cmd->dw33._16x_32x_memv_input_data_surf_index = (curbe_param->hme_type == INTEL_ENC_HME_32x) ? GEN8_AVC_32xME_MV_DATA_SURFACE_CM : GEN8_AVC_16xME_MV_DATA_SURFACE_CM ;
    curbe_cmd->dw34._4x_me_output_dist_surf_index = GEN8_AVC_ME_DISTORTION_SURFACE_CM;
    curbe_cmd->dw35._4x_me_output_brc_dist_surf_index = GEN8_AVC_ME_BRC_DISTORTION_CM;
    curbe_cmd->dw36.vme_fwd_inter_pred_surf_index = GEN8_AVC_ME_CURR_FOR_FWD_REF_CM;
    curbe_cmd->dw37.vme_bdw_inter_pred_surf_index = GEN8_AVC_ME_CURR_FOR_BWD_REF_CM;
    curbe_cmd->dw38.reserved = 0;

    i965_gpe_context_unmap_curbe(gpe_context);
    return;
}

static void
gen8_avc_set_curbe_brc_frame_update(VADriverContextP ctx,
                                    struct encode_state *encode_state,
                                    struct i965_gpe_context *gpe_context,
                                    struct intel_encoder_context *encoder_context,
                                    void * param)
{
    gen8_avc_frame_brc_update_curbe_data *cmd;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    struct object_surface *obj_surface;
    struct gen9_surface_avc *avc_priv_surface;
    struct avc_param common_param;
    VAEncSequenceParameterBufferH264 * seq_param = avc_state->seq_param;

    obj_surface = encode_state->reconstructed_object;

    if (!obj_surface || !obj_surface->private_data)
        return;
    avc_priv_surface = obj_surface->private_data;

    cmd = i965_gpe_context_map_curbe(gpe_context);

    if (!cmd)
        return;

    memcpy(cmd, &gen8_avc_frame_brc_update_curbe_init_data, sizeof(gen8_avc_frame_brc_update_curbe_data));

    cmd->dw5.target_size_flag = 0 ;
    if (generic_state->brc_init_current_target_buf_full_in_bits > (double)generic_state->brc_init_reset_buf_size_in_bits) {
        /*overflow*/
        generic_state->brc_init_current_target_buf_full_in_bits -= (double)generic_state->brc_init_reset_buf_size_in_bits;
        cmd->dw5.target_size_flag = 1 ;
    }

    if (generic_state->skip_frame_enbale) {
        cmd->dw6.num_skip_frames = generic_state->num_skip_frames ;
        cmd->dw7.size_skip_frames = generic_state->size_skip_frames;

        generic_state->brc_init_current_target_buf_full_in_bits += generic_state->brc_init_reset_input_bits_per_frame * generic_state->num_skip_frames;

    }
    cmd->dw0.target_size = (unsigned int)generic_state->brc_init_current_target_buf_full_in_bits ;
    cmd->dw1.frame_number = generic_state->seq_frame_number ;
    cmd->dw2.size_of_pic_headers = generic_state->herder_bytes_inserted << 3 ;
    cmd->dw5.cur_frame_type = generic_state->frame_type ;
    cmd->dw5.brc_flag = 0 ;
    cmd->dw5.brc_flag |= (avc_priv_surface->is_as_ref) ? INTEL_ENCODE_BRCUPDATE_IS_REFERENCE : 0 ;

    if (avc_state->multi_pre_enable) {
        cmd->dw5.brc_flag  |= INTEL_ENCODE_BRCUPDATE_IS_ACTUALQP ;
        cmd->dw14.qp_index_of_cur_pic = avc_priv_surface->frame_idx ; //do not know this. use -1
    }

    cmd->dw5.max_num_paks = generic_state->num_pak_passes ;
    if (avc_state->min_max_qp_enable) {
        switch (generic_state->frame_type) {
        case SLICE_TYPE_I:
            cmd->dw6.minimum_qp = avc_state->min_qp_i ;
            cmd->dw6.maximum_qp = avc_state->max_qp_i ;
            break;
        case SLICE_TYPE_P:
            cmd->dw6.minimum_qp = avc_state->min_qp_p ;
            cmd->dw6.maximum_qp = avc_state->max_qp_p ;
            break;
        case SLICE_TYPE_B:
            cmd->dw6.minimum_qp = avc_state->min_qp_b ;
            cmd->dw6.maximum_qp = avc_state->max_qp_b ;
            break;
        }
    } else {
        cmd->dw6.minimum_qp = 0 ;
        cmd->dw6.maximum_qp = 0 ;
    }

    cmd->dw6.enable_force_to_skip = 1;
    cmd->dw6.enable_sliding_window = 0;

    generic_state->brc_init_current_target_buf_full_in_bits += generic_state->brc_init_reset_input_bits_per_frame;

    if (generic_state->internal_rate_mode == INTEL_BRC_AVBR) {
        cmd->dw3.start_gadj_frame0 = (unsigned int)((10 *   generic_state->avbr_convergence) / (double)150);
        cmd->dw3.start_gadj_frame1 = (unsigned int)((50 *   generic_state->avbr_convergence) / (double)150);
        cmd->dw4.start_gadj_frame2 = (unsigned int)((100 *  generic_state->avbr_convergence) / (double)150);
        cmd->dw4.start_gadj_frame3 = (unsigned int)((150 *  generic_state->avbr_convergence) / (double)150);
        cmd->dw11.g_rate_ratio_threshold_0 = (unsigned int)((100 - (generic_state->avbr_curracy / (double)30) * (100 - 40)));
        cmd->dw11.g_rate_ratio_threshold_1 = (unsigned int)((100 - (generic_state->avbr_curracy / (double)30) * (100 - 75)));
        cmd->dw12.g_rate_ratio_threshold_2 = (unsigned int)((100 - (generic_state->avbr_curracy / (double)30) * (100 - 97)));
        cmd->dw12.g_rate_ratio_threshold_3 = (unsigned int)((100 + (generic_state->avbr_curracy / (double)30) * (103 - 100)));
        cmd->dw12.g_rate_ratio_threshold_4 = (unsigned int)((100 + (generic_state->avbr_curracy / (double)30) * (125 - 100)));
        cmd->dw12.g_rate_ratio_threshold_5 = (unsigned int)((100 + (generic_state->avbr_curracy / (double)30) * (160 - 100)));

    }

    memset(&common_param, 0, sizeof(common_param));
    common_param.frame_width_in_pixel = generic_state->frame_width_in_pixel;
    common_param.frame_height_in_pixel = generic_state->frame_height_in_pixel;
    common_param.frame_width_in_mbs = generic_state->frame_width_in_mbs;
    common_param.frame_height_in_mbs = generic_state->frame_height_in_mbs;
    common_param.frames_per_100s = generic_state->frames_per_100s;
    common_param.vbv_buffer_size_in_bit = generic_state->vbv_buffer_size_in_bit;
    common_param.target_bit_rate = generic_state->target_bit_rate;

    cmd->dw19.user_max_frame = i965_avc_get_profile_level_max_frame(&common_param, seq_param->level_idc);

    i965_gpe_context_unmap_curbe(gpe_context);

    return;
}

/*
kernel related function:init/destroy etc
*/
static void
gen9_avc_kernel_init_scaling(VADriverContextP ctx,
                             struct generic_encoder_context *generic_context,
                             struct gen_avc_scaling_context *kernel_context,
                             int preenc_enabled)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct i965_gpe_context *gpe_context = NULL;
    struct encoder_kernel_parameter kernel_param ;
    struct encoder_scoreboard_parameter scoreboard_param;
    struct i965_kernel common_kernel;

    memset(&kernel_param, 0, sizeof(kernel_param));
    if (IS_SKL(i965->intel.device_info) ||
        IS_BXT(i965->intel.device_info)) {
        if (!preenc_enabled) {
            kernel_param.curbe_size = sizeof(gen9_avc_scaling4x_curbe_data);
            kernel_param.inline_data_size = sizeof(gen9_avc_scaling4x_curbe_data);
        } else {
            /* Skylake PreEnc using GEN95/gen10 DS kernel */
            kernel_param.curbe_size = sizeof(gen95_avc_scaling4x_curbe_data);
            kernel_param.inline_data_size = sizeof(gen95_avc_scaling4x_curbe_data);
        }
    } else if (IS_KBL(i965->intel.device_info) ||
               IS_GEN10(i965->intel.device_info) ||
               IS_GLK(i965->intel.device_info)) {
        kernel_param.curbe_size = sizeof(gen95_avc_scaling4x_curbe_data);
        kernel_param.inline_data_size = sizeof(gen95_avc_scaling4x_curbe_data);
    } else if (IS_GEN8(i965->intel.device_info)) {
        kernel_param.curbe_size = sizeof(gen8_avc_scaling4x_curbe_data);
        kernel_param.inline_data_size = sizeof(gen8_avc_scaling4x_curbe_data);
    } else
        assert(0);

    /* 4x scaling kernel*/
    kernel_param.sampler_size = 0;

    memset(&scoreboard_param, 0, sizeof(scoreboard_param));
    scoreboard_param.mask = 0xFF;
    scoreboard_param.enable = generic_context->use_hw_scoreboard;
    scoreboard_param.type = generic_context->use_hw_non_stalling_scoreboard;
    scoreboard_param.walkpat_flag = 0;

    gpe_context = &kernel_context->gpe_contexts[GEN9_AVC_KERNEL_SCALING_4X_IDX];
    gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
    gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

    memset(&common_kernel, 0, sizeof(common_kernel));

    generic_context->get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                                generic_context->enc_kernel_size,
                                                INTEL_GENERIC_ENC_SCALING4X,
                                                0,
                                                &common_kernel);

    gpe->load_kernels(ctx,
                      gpe_context,
                      &common_kernel,
                      1);

    /* PreEnc using only the 4X scaling */
    if (preenc_enabled)
        return;

    /*2x scaling kernel*/
    kernel_param.curbe_size = sizeof(gen9_avc_scaling2x_curbe_data);
    kernel_param.inline_data_size = 0;
    kernel_param.sampler_size = 0;

    gpe_context = &kernel_context->gpe_contexts[GEN9_AVC_KERNEL_SCALING_2X_IDX];
    gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
    gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

    memset(&common_kernel, 0, sizeof(common_kernel));

    if (IS_GEN8(i965->intel.device_info))
        gen8_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                            generic_context->enc_kernel_size,
                                            INTEL_GENERIC_ENC_SCALING2X,
                                            0,
                                            &common_kernel);
    else
        intel_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                             generic_context->enc_kernel_size,
                                             INTEL_GENERIC_ENC_SCALING2X,
                                             0,
                                             &common_kernel);

    gpe->load_kernels(ctx,
                      gpe_context,
                      &common_kernel,
                      1);

}

static void
gen9_avc_kernel_init_me(VADriverContextP ctx,
                        struct generic_encoder_context *generic_context,
                        struct gen_avc_me_context *kernel_context,
                        int preenc_enabled)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct i965_gpe_context *gpe_context = NULL;
    struct encoder_kernel_parameter kernel_param ;
    struct encoder_scoreboard_parameter scoreboard_param;
    struct i965_kernel common_kernel;
    int i = 0;
    unsigned int curbe_size = 0;

    if (IS_GEN8(i965->intel.device_info)) {
        curbe_size = sizeof(gen8_avc_me_curbe_data);
    } else {
        if (!preenc_enabled)
            curbe_size = sizeof(gen9_avc_me_curbe_data);
        else
            curbe_size = sizeof(gen9_avc_fei_me_curbe_data);
    }

    kernel_param.curbe_size = curbe_size;
    kernel_param.inline_data_size = 0;
    kernel_param.sampler_size = 0;

    memset(&scoreboard_param, 0, sizeof(scoreboard_param));
    scoreboard_param.mask = 0xFF;
    scoreboard_param.enable = generic_context->use_hw_scoreboard;
    scoreboard_param.type = generic_context->use_hw_non_stalling_scoreboard;
    scoreboard_param.walkpat_flag = 0;

    /* There is two hme kernel, one for P and other for B frame */
    for (i = 0; i < 2; i++) {
        gpe_context = &kernel_context->gpe_contexts[i];
        gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
        gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

        memset(&common_kernel, 0, sizeof(common_kernel));

        generic_context->get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                                    generic_context->enc_kernel_size,
                                                    INTEL_GENERIC_ENC_ME,
                                                    i,
                                                    &common_kernel);

        gpe->load_kernels(ctx,
                          gpe_context,
                          &common_kernel,
                          1);
    }

}

static void
gen9_avc_kernel_init_preproc(VADriverContextP ctx,
                             struct generic_encoder_context *generic_context,
                             struct gen_avc_preproc_context *kernel_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct i965_gpe_context *gpe_context = NULL;
    struct encoder_kernel_parameter kernel_param ;
    struct encoder_scoreboard_parameter scoreboard_param;
    struct i965_kernel common_kernel;

    kernel_param.curbe_size = sizeof(gen9_avc_preproc_curbe_data);
    kernel_param.inline_data_size = 0;
    kernel_param.sampler_size = 0;

    memset(&scoreboard_param, 0, sizeof(scoreboard_param));
    scoreboard_param.mask = 0xFF;
    scoreboard_param.enable = generic_context->use_hw_scoreboard;
    scoreboard_param.type = generic_context->use_hw_non_stalling_scoreboard;
    scoreboard_param.walkpat_flag = 0;

    gpe_context = &kernel_context->gpe_contexts;
    gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
    gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

    memset(&common_kernel, 0, sizeof(common_kernel));

    intel_avc_fei_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                             generic_context->enc_kernel_size,
                                             INTEL_GENERIC_ENC_PREPROC,
                                             0,
                                             &common_kernel);

    gpe->load_kernels(ctx,
                      gpe_context,
                      &common_kernel,
                      1);

}

static void
gen9_avc_kernel_init_mbenc(VADriverContextP ctx,
                           struct generic_encoder_context *generic_context,
                           struct gen_avc_mbenc_context *kernel_context,
                           int fei_enabled)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct i965_gpe_context *gpe_context = NULL;
    struct encoder_kernel_parameter kernel_param ;
    struct encoder_scoreboard_parameter scoreboard_param;
    struct i965_kernel common_kernel;
    int i = 0;
    unsigned int curbe_size = 0;
    unsigned int num_mbenc_kernels = 0;

    if (IS_SKL(i965->intel.device_info) ||
        IS_BXT(i965->intel.device_info)) {
        if (!fei_enabled) {
            curbe_size = sizeof(gen9_avc_mbenc_curbe_data);
            num_mbenc_kernels = NUM_GEN9_AVC_KERNEL_MBENC;
        } else {
            curbe_size = sizeof(gen9_avc_fei_mbenc_curbe_data);
            num_mbenc_kernels = NUM_GEN9_AVC_FEI_KERNEL_MBENC;
        }
    } else if (IS_KBL(i965->intel.device_info) ||
               IS_GEN10(i965->intel.device_info) ||
               IS_GLK(i965->intel.device_info)) {
        curbe_size = sizeof(gen95_avc_mbenc_curbe_data);
        num_mbenc_kernels = NUM_GEN9_AVC_KERNEL_MBENC;
    } else if (IS_GEN8(i965->intel.device_info)) {
        curbe_size = sizeof(gen8_avc_mbenc_curbe_data);
        num_mbenc_kernels = NUM_GEN9_AVC_KERNEL_MBENC;
    }

    assert(curbe_size > 0);
    kernel_param.curbe_size = curbe_size;
    kernel_param.inline_data_size = 0;
    kernel_param.sampler_size = 0;

    memset(&scoreboard_param, 0, sizeof(scoreboard_param));
    scoreboard_param.mask = 0xFF;
    scoreboard_param.enable = generic_context->use_hw_scoreboard;
    scoreboard_param.type = generic_context->use_hw_non_stalling_scoreboard;
    scoreboard_param.walkpat_flag = 0;

    for (i = 0; i < num_mbenc_kernels ; i++) {
        gpe_context = &kernel_context->gpe_contexts[i];
        gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
        gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

        memset(&common_kernel, 0, sizeof(common_kernel));

        generic_context->get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                                    generic_context->enc_kernel_size,
                                                    INTEL_GENERIC_ENC_MBENC,
                                                    i,
                                                    &common_kernel);

        gpe->load_kernels(ctx,
                          gpe_context,
                          &common_kernel,
                          1);
    }

}

static void
gen9_avc_kernel_init_brc(VADriverContextP ctx,
                         struct generic_encoder_context *generic_context,
                         struct gen_avc_brc_context *kernel_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct i965_gpe_context *gpe_context = NULL;
    struct encoder_kernel_parameter kernel_param ;
    struct encoder_scoreboard_parameter scoreboard_param;
    struct i965_kernel common_kernel;
    int num_brc_init_kernels = 0;
    int i = 0;

    if (IS_GEN8(i965->intel.device_info)) {
        num_brc_init_kernels = NUM_GEN9_AVC_KERNEL_BRC - 1;
    } else {
        num_brc_init_kernels = NUM_GEN9_AVC_KERNEL_BRC;
    }

    const int gen8_brc_curbe_size[NUM_GEN9_AVC_KERNEL_BRC - 1] = {
        (sizeof(gen9_avc_brc_init_reset_curbe_data)),
        (sizeof(gen8_avc_frame_brc_update_curbe_data)),
        (sizeof(gen9_avc_brc_init_reset_curbe_data)),
        (sizeof(gen8_avc_mbenc_curbe_data)),
        0,
    };
    const int gen9_brc_curbe_size[NUM_GEN9_AVC_KERNEL_BRC] = {
        (sizeof(gen9_avc_brc_init_reset_curbe_data)),
        (sizeof(gen9_avc_frame_brc_update_curbe_data)),
        (sizeof(gen9_avc_brc_init_reset_curbe_data)),
        ((IS_SKL(i965->intel.device_info) || IS_BXT(i965->intel.device_info)) ? sizeof(gen9_avc_mbenc_curbe_data) : sizeof(gen95_avc_mbenc_curbe_data)),
        0,
        (sizeof(gen9_avc_mb_brc_curbe_data))
    };

    kernel_param.inline_data_size = 0;
    kernel_param.sampler_size = 0;

    memset(&scoreboard_param, 0, sizeof(scoreboard_param));
    scoreboard_param.mask = 0xFF;
    scoreboard_param.enable = generic_context->use_hw_scoreboard;
    scoreboard_param.type = generic_context->use_hw_non_stalling_scoreboard;
    scoreboard_param.walkpat_flag = 0;

    for (i = 0; i < num_brc_init_kernels; i++) {
        if (IS_GEN8(i965->intel.device_info)) {
            kernel_param.curbe_size = gen8_brc_curbe_size[i];
        } else {
            kernel_param.curbe_size = gen9_brc_curbe_size[i];
        }
        gpe_context = &kernel_context->gpe_contexts[i];
        gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
        gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

        memset(&common_kernel, 0, sizeof(common_kernel));

        if (IS_GEN8(i965->intel.device_info))
            gen8_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                                generic_context->enc_kernel_size,
                                                INTEL_GENERIC_ENC_BRC,
                                                i,
                                                &common_kernel);
        else
            intel_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                                 generic_context->enc_kernel_size,
                                                 INTEL_GENERIC_ENC_BRC,
                                                 i,
                                                 &common_kernel);

        gpe->load_kernels(ctx,
                          gpe_context,
                          &common_kernel,
                          1);
    }

}

static void
gen9_avc_kernel_init_wp(VADriverContextP ctx,
                        struct generic_encoder_context *generic_context,
                        struct gen_avc_wp_context *kernel_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct i965_gpe_context *gpe_context = NULL;
    struct encoder_kernel_parameter kernel_param ;
    struct encoder_scoreboard_parameter scoreboard_param;
    struct i965_kernel common_kernel;

    kernel_param.curbe_size = sizeof(gen9_avc_wp_curbe_data);
    kernel_param.inline_data_size = 0;
    kernel_param.sampler_size = 0;

    memset(&scoreboard_param, 0, sizeof(scoreboard_param));
    scoreboard_param.mask = 0xFF;
    scoreboard_param.enable = generic_context->use_hw_scoreboard;
    scoreboard_param.type = generic_context->use_hw_non_stalling_scoreboard;
    scoreboard_param.walkpat_flag = 0;

    gpe_context = &kernel_context->gpe_contexts;
    gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
    gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

    memset(&common_kernel, 0, sizeof(common_kernel));

    if (IS_GEN8(i965->intel.device_info))
        gen8_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                            generic_context->enc_kernel_size,
                                            INTEL_GENERIC_ENC_WP,
                                            0,
                                            &common_kernel);
    else
        intel_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                             generic_context->enc_kernel_size,
                                             INTEL_GENERIC_ENC_WP,
                                             0,
                                             &common_kernel);

    gpe->load_kernels(ctx,
                      gpe_context,
                      &common_kernel,
                      1);

}

static void
gen9_avc_kernel_init_sfd(VADriverContextP ctx,
                         struct generic_encoder_context *generic_context,
                         struct gen_avc_sfd_context *kernel_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct i965_gpe_context *gpe_context = NULL;
    struct encoder_kernel_parameter kernel_param ;
    struct encoder_scoreboard_parameter scoreboard_param;
    struct i965_kernel common_kernel;

    kernel_param.curbe_size = sizeof(gen9_avc_sfd_curbe_data);
    kernel_param.inline_data_size = 0;
    kernel_param.sampler_size = 0;

    memset(&scoreboard_param, 0, sizeof(scoreboard_param));
    scoreboard_param.mask = 0xFF;
    scoreboard_param.enable = generic_context->use_hw_scoreboard;
    scoreboard_param.type = generic_context->use_hw_non_stalling_scoreboard;
    scoreboard_param.walkpat_flag = 0;

    gpe_context = &kernel_context->gpe_contexts;
    gen9_init_gpe_context_avc(ctx, gpe_context, &kernel_param);
    gen9_init_vfe_scoreboard_avc(gpe_context, &scoreboard_param);

    memset(&common_kernel, 0, sizeof(common_kernel));

    if (IS_GEN8(i965->intel.device_info))
        gen8_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                            generic_context->enc_kernel_size,
                                            INTEL_GENERIC_ENC_SFD,
                                            0,
                                            &common_kernel);
    else
        intel_avc_get_kernel_header_and_size((void *)(generic_context->enc_kernel_ptr),
                                             generic_context->enc_kernel_size,
                                             INTEL_GENERIC_ENC_SFD,
                                             0,
                                             &common_kernel);

    gpe->load_kernels(ctx,
                      gpe_context,
                      &common_kernel,
                      1);

}

static void
gen9_avc_kernel_destroy(struct encoder_vme_mfc_context * vme_context)
{

    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct i965_driver_data *i965 = i965_driver_data(avc_ctx->ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;

    int i = 0;

    gen9_avc_free_resources(vme_context);

    for (i = 0; i < NUM_GEN9_AVC_KERNEL_SCALING; i++)
        gpe->context_destroy(&avc_ctx->context_scaling.gpe_contexts[i]);

    for (i = 0; i < NUM_GEN9_AVC_KERNEL_BRC; i++)
        gpe->context_destroy(&avc_ctx->context_brc.gpe_contexts[i]);

    for (i = 0; i < NUM_GEN9_AVC_KERNEL_ME; i++)
        gpe->context_destroy(&avc_ctx->context_me.gpe_contexts[i]);

    for (i = 0; i < NUM_GEN9_AVC_KERNEL_MBENC; i++)
        gpe->context_destroy(&avc_ctx->context_mbenc.gpe_contexts[i]);

    gpe->context_destroy(&avc_ctx->context_wp.gpe_contexts);

    gpe->context_destroy(&avc_ctx->context_sfd.gpe_contexts);

    gpe->context_destroy(&avc_ctx->context_preproc.gpe_contexts);

}

/*
vme pipeline
*/
static void
gen9_avc_update_parameters(VADriverContextP ctx,
                           VAProfile profile,
                           struct encode_state *encode_state,
                           struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAEncSequenceParameterBufferH264 *seq_param;
    VAEncSliceParameterBufferH264 *slice_param;
    VAEncMiscParameterBuffer *fei_misc_param;
    int i, j, slice_index;
    unsigned int preset = generic_state->preset;
    unsigned int fei_enabled = encoder_context->fei_enabled;

    /* seq/pic/slice parameter setting */
    generic_state->b16xme_supported = gen9_avc_super_hme[preset];
    generic_state->b32xme_supported = gen9_avc_ultra_hme[preset];

    avc_state->seq_param = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
    avc_state->pic_param = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;

    if (fei_enabled &&
        encode_state->misc_param[VAEncMiscParameterTypeFEIFrameControl][0] &&
        encode_state->misc_param[VAEncMiscParameterTypeFEIFrameControl][0]->buffer) {
        fei_misc_param = (VAEncMiscParameterBuffer*)encode_state->misc_param[VAEncMiscParameterTypeFEIFrameControl][0]->buffer;
        avc_state->fei_framectl_param =
            (VAEncMiscParameterFEIFrameControlH264 *)fei_misc_param->data;
    }

    avc_state->slice_num = 0;
    slice_index = 0;
    for (j = 0; j < encode_state->num_slice_params_ext; j++) {
        slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[j]->buffer;
        for (i = 0; i < encode_state->slice_params_ext[j]->num_elements; i++) {
            avc_state->slice_param[slice_index] = slice_param;
            slice_param++;
            slice_index++;
            avc_state->slice_num++;
        }
    }

    /* how many slices support by now? 1 slice or multi slices, but row slice.not slice group. */
    seq_param = avc_state->seq_param;
    slice_param = avc_state->slice_param[0];

    generic_state->frame_type = avc_state->slice_param[0]->slice_type;

    if (slice_param->slice_type == SLICE_TYPE_I ||
        slice_param->slice_type == SLICE_TYPE_SI)
        generic_state->frame_type = SLICE_TYPE_I;
    else if (slice_param->slice_type == SLICE_TYPE_P)
        generic_state->frame_type = SLICE_TYPE_P;
    else if (slice_param->slice_type == SLICE_TYPE_B)
        generic_state->frame_type = SLICE_TYPE_B;
    if (profile == VAProfileH264High)
        avc_state->transform_8x8_mode_enable = 0;//work around for high profile to disabel pic_param->pic_fields.bits.transform_8x8_mode_flag
    else
        avc_state->transform_8x8_mode_enable = 0;

    /* rc init*/
    generic_state->brc_need_reset = (generic_state->brc_inited && encoder_context->brc.need_reset);

    if (generic_state->brc_enabled && (!generic_state->brc_inited || generic_state->brc_need_reset)) {
        generic_state->target_bit_rate = ALIGN(seq_param->bits_per_second, 1000) / 1000;
        generic_state->init_vbv_buffer_fullness_in_bit = seq_param->bits_per_second;
        generic_state->vbv_buffer_size_in_bit = (uint64_t)seq_param->bits_per_second << 1;
        generic_state->frames_per_100s = 3000; /* 30fps */
    }

    generic_state->gop_size = seq_param->intra_period;
    generic_state->gop_ref_distance = seq_param->ip_period;

    if (generic_state->internal_rate_mode == VA_RC_CBR) {
        generic_state->max_bit_rate = generic_state->target_bit_rate;
        generic_state->min_bit_rate = generic_state->target_bit_rate;
    }

    if (generic_state->frame_type == SLICE_TYPE_I || generic_state->first_frame || generic_state->brc_need_reset) {
        gen9_avc_update_misc_parameters(ctx, encode_state, encoder_context);
    }

    generic_state->preset = encoder_context->quality_level;
    if (encoder_context->quality_level == INTEL_PRESET_UNKNOWN) {
        generic_state->preset = INTEL_PRESET_RT_SPEED;
    }
    generic_state->kernel_mode = gen9_avc_kernel_mode[generic_state->preset];

    if (!generic_state->brc_inited || generic_state->brc_need_reset) {
        generic_state->brc_init_reset_input_bits_per_frame = ((double)(generic_state->max_bit_rate * 1000) * 100) / generic_state->frames_per_100s;
        if (!generic_state->brc_inited)
            generic_state->brc_init_current_target_buf_full_in_bits = generic_state->init_vbv_buffer_fullness_in_bit;
        generic_state->brc_init_reset_buf_size_in_bits = generic_state->vbv_buffer_size_in_bit;
        generic_state->brc_target_size = generic_state->init_vbv_buffer_fullness_in_bit;
    }


    generic_state->curr_pak_pass = 0;
    generic_state->num_pak_passes = MAX_AVC_PAK_PASS_NUM;

    if (generic_state->internal_rate_mode == VA_RC_CBR ||
        generic_state->internal_rate_mode == VA_RC_VBR)
        generic_state->brc_enabled = 1;
    else
        generic_state->brc_enabled = 0;

    if (generic_state->brc_enabled &&
        (!generic_state->init_vbv_buffer_fullness_in_bit ||
         !generic_state->vbv_buffer_size_in_bit ||
         !generic_state->max_bit_rate ||
         !generic_state->target_bit_rate ||
         !generic_state->frames_per_100s)) {
        WARN_ONCE("Rate control parameter is required for BRC\n");
        generic_state->brc_enabled = 0;
    }

    if (!generic_state->brc_enabled) {
        generic_state->target_bit_rate = 0;
        generic_state->max_bit_rate = 0;
        generic_state->min_bit_rate = 0;
        generic_state->init_vbv_buffer_fullness_in_bit = 0;
        generic_state->vbv_buffer_size_in_bit = 0;
        generic_state->num_pak_passes = 1;
    } else {
        generic_state->num_pak_passes = MAX_AVC_PAK_PASS_NUM;
    }


    generic_state->frame_width_in_mbs = seq_param->picture_width_in_mbs;
    generic_state->frame_height_in_mbs = seq_param->picture_height_in_mbs;
    generic_state->frame_width_in_pixel = generic_state->frame_width_in_mbs * 16;
    generic_state->frame_height_in_pixel = generic_state->frame_height_in_mbs * 16;

    generic_state->frame_width_4x  = ALIGN(generic_state->frame_width_in_pixel / 4, 16);
    generic_state->frame_height_4x = ALIGN(generic_state->frame_height_in_pixel / 4, 16);
    generic_state->downscaled_width_4x_in_mb  = generic_state->frame_width_4x / 16 ;
    generic_state->downscaled_height_4x_in_mb = generic_state->frame_height_4x / 16;

    generic_state->frame_width_16x  =  ALIGN(generic_state->frame_width_in_pixel / 16, 16);
    generic_state->frame_height_16x =  ALIGN(generic_state->frame_height_in_pixel / 16, 16);
    generic_state->downscaled_width_16x_in_mb  = generic_state->frame_width_16x / 16 ;
    generic_state->downscaled_height_16x_in_mb = generic_state->frame_height_16x / 16;

    generic_state->frame_width_32x  = ALIGN(generic_state->frame_width_in_pixel / 32, 16);
    generic_state->frame_height_32x = ALIGN(generic_state->frame_height_in_pixel / 32, 16);
    generic_state->downscaled_width_32x_in_mb  = generic_state->frame_width_32x / 16 ;
    generic_state->downscaled_height_32x_in_mb = generic_state->frame_height_32x / 16;

    if (generic_state->hme_supported) {
        generic_state->hme_enabled = 1;
    } else {
        generic_state->hme_enabled = 0;
    }

    if (generic_state->b16xme_supported) {
        generic_state->b16xme_enabled = 1;
    } else {
        generic_state->b16xme_enabled = 0;
    }

    if (generic_state->b32xme_supported) {
        generic_state->b32xme_enabled = 1;
    } else {
        generic_state->b32xme_enabled = 0;
    }
    /* disable HME/16xME if the size is too small */
    if (generic_state->frame_width_4x <= INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->b32xme_supported = 0;
        generic_state->b32xme_enabled = 0;
        generic_state->b16xme_supported = 0;
        generic_state->b16xme_enabled = 0;
        generic_state->frame_width_4x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_width_4x_in_mb = WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }
    if (generic_state->frame_height_4x <= INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->b32xme_supported = 0;
        generic_state->b32xme_enabled = 0;
        generic_state->b16xme_supported = 0;
        generic_state->b16xme_enabled = 0;
        generic_state->frame_height_4x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_height_4x_in_mb = WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }

    if (generic_state->frame_width_16x < INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->b32xme_supported = 0;
        generic_state->b32xme_enabled = 0;
        generic_state->frame_width_16x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_width_16x_in_mb = WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }
    if (generic_state->frame_height_16x < INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->b32xme_supported = 0;
        generic_state->b32xme_enabled = 0;
        generic_state->frame_height_16x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_height_16x_in_mb = WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }

    if (generic_state->frame_width_32x < INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->frame_width_32x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_width_32x_in_mb = WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }
    if (generic_state->frame_height_32x < INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->frame_height_32x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_height_32x_in_mb = WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }

}

static VAStatus
gen9_avc_encode_check_parameter(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    unsigned int rate_control_mode = encoder_context->rate_control_mode;
    unsigned int preset = generic_state->preset;
    VAEncPictureParameterBufferH264 *pic_param = avc_state->pic_param ;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    int i = 0;
    int slice_qp = pic_param->pic_init_qp + slice_param->slice_qp_delta;
    /*avbr init*/
    generic_state->avbr_curracy = 30;
    generic_state->avbr_convergence = 150;

    switch (rate_control_mode & 0x7f) {
    case VA_RC_CBR:
        generic_state->internal_rate_mode = VA_RC_CBR;
        break;

    case VA_RC_VBR:
        generic_state->internal_rate_mode = VA_RC_VBR;
        break;

    case VA_RC_CQP:
    default:
        generic_state->internal_rate_mode = VA_RC_CQP;
        break;
    }

    if (rate_control_mode != VA_RC_NONE &&
        rate_control_mode != VA_RC_CQP) {
        generic_state->brc_enabled = 1;
        generic_state->brc_distortion_buffer_supported = 1;
        generic_state->brc_constant_buffer_supported = 1;
        generic_state->num_pak_passes = MAX_AVC_PAK_PASS_NUM;
    }

    /*check brc parameter*/
    if (generic_state->brc_enabled) {
        avc_state->mb_qp_data_enable = 0;
    }

    /*set the brc init and reset accordingly*/
    if (generic_state->brc_need_reset &&
        (generic_state->brc_distortion_buffer_supported == 0 ||
         rate_control_mode == VA_RC_CQP)) {
        generic_state->brc_need_reset = 0;// not support by CQP
    }
    if (generic_state->internal_rate_mode == VA_RC_CBR || generic_state->internal_rate_mode == VA_RC_VBR || generic_state->frame_type == SLICE_TYPE_I) {
        avc_state->sfd_enable = 0;
    } else {
        avc_state->sfd_enable = 1;
    }

    if (generic_state->frames_per_window_size == 0) {
        generic_state->frames_per_window_size = (generic_state->frames_per_100s / 100 < 60) ? (generic_state->frames_per_100s / 100) : 60;
    } else if (generic_state->frames_per_window_size > 2 * generic_state->frames_per_100s / 100) {
        generic_state->frames_per_window_size = (generic_state->frames_per_100s / 100 < 60) ? (generic_state->frames_per_100s / 100) : 60;
    }

    if (generic_state->brc_enabled) {
        generic_state->hme_enabled = generic_state->frame_type != SLICE_TYPE_I;
        if (avc_state->min_max_qp_enable) {
            generic_state->num_pak_passes = 1;
        }
        generic_state->brc_roi_enable = (rate_control_mode != VA_RC_CQP) && (generic_state->num_roi > 0);// only !CQP
        generic_state->mb_brc_enabled = generic_state->mb_brc_enabled || generic_state->brc_roi_enable;
    } else {
        generic_state->num_pak_passes = 1;// CQP only one pass
    }

    avc_state->mbenc_i_frame_dist_in_use = 0;
    avc_state->mbenc_i_frame_dist_in_use = (generic_state->brc_enabled) && (generic_state->brc_distortion_buffer_supported) && (generic_state->frame_type == SLICE_TYPE_I);

    /*ROI must enable mbbrc.*/

    /*CAD check*/
    if (avc_state->caf_supported) {
        switch (generic_state->frame_type) {
        case SLICE_TYPE_I:
            avc_state->caf_enable = 0;
            break;
        case SLICE_TYPE_P:
            avc_state->caf_enable = gen9_avc_all_fractional[preset] & 0x01;
            break;
        case SLICE_TYPE_B:
            avc_state->caf_enable = (gen9_avc_all_fractional[preset] >> 1) & 0x01;
            break;
        }

        if (avc_state->caf_enable && avc_state->caf_disable_hd && gen9_avc_disable_all_fractional_check_for_high_res[preset]) {
            if (generic_state->frame_width_in_pixel >= 1280 && generic_state->frame_height_in_pixel >= 720)
                avc_state->caf_enable = 0;
        }
    }

    avc_state->adaptive_transform_decision_enable &= gen9_avc_enable_adaptive_tx_decision[preset & 0x7];

    /* Flatness check is enabled only if scaling will be performed and CAF is enabled. here only frame */
    if (avc_state->flatness_check_supported) {
        avc_state->flatness_check_enable = ((avc_state->caf_enable) && (generic_state->brc_enabled || generic_state->hme_supported)) ;
    } else {
        avc_state->flatness_check_enable = 0;
    }

    /* check mb_status_supported/enbale*/
    if (avc_state->adaptive_transform_decision_enable) {
        avc_state->mb_status_enable = 1;
    } else {
        avc_state->mb_status_enable = 0;
    }
    /*slice check,all the slices use the same slice height except the last slice*/
    avc_state->arbitrary_num_mbs_in_slice = 0;
    for (i = 0; i < avc_state->slice_num; i++) {
        if (avc_state->slice_param[i]->num_macroblocks % generic_state->frame_width_in_mbs > 0) {
            avc_state->arbitrary_num_mbs_in_slice = 1;
            avc_state->slice_height = 1; /* slice height will be ignored by kernel ans here set it as default value */
        } else {
            avc_state->slice_height = avc_state->slice_param[i]->num_macroblocks / generic_state->frame_width_in_mbs;
        }
    }

    if (avc_state->slice_num > 1)
        avc_state->arbitrary_num_mbs_in_slice = 1;

    if (generic_state->frame_type == SLICE_TYPE_I) {
        generic_state->hme_enabled = 0;
        generic_state->b16xme_enabled = 0;
        generic_state->b32xme_enabled = 0;
    }

    if (generic_state->frame_type == SLICE_TYPE_B) {
        gen9_avc_get_dist_scale_factor(ctx, encode_state, encoder_context);
        avc_state->bi_weight = gen9_avc_get_biweight(avc_state->dist_scale_factor_list0[0], pic_param->pic_fields.bits.weighted_bipred_idc);
    }

    /* Determine if SkipBiasAdjustment should be enabled for P picture 1. No B frame 2. Qp >= 22 3. CQP mode */
    avc_state->skip_bias_adjustment_enable = avc_state->skip_bias_adjustment_supported && (generic_state->frame_type == SLICE_TYPE_P)
                                             && (generic_state->gop_ref_distance == 1) && (avc_state->pic_param->pic_init_qp + avc_state->slice_param[0]->slice_qp_delta >= 22) && !generic_state->brc_enabled;

    if (generic_state->kernel_mode == INTEL_ENC_KERNEL_QUALITY) {
        avc_state->tq_enable = 1;
        avc_state->tq_rounding = 6;
        if (generic_state->brc_enabled) {
            generic_state->mb_brc_enabled = 1;
        }
    }

    //check the inter rounding
    avc_state->rounding_value = 0;
    avc_state->rounding_inter_p = 255;//default
    avc_state->rounding_inter_b = 255; //default
    avc_state->rounding_inter_b_ref = 255; //default

    if (generic_state->frame_type == SLICE_TYPE_P) {
        if (avc_state->rounding_inter_p == AVC_INVALID_ROUNDING_VALUE) {
            if (avc_state->adaptive_rounding_inter_enable && !(generic_state->brc_enabled)) {
                if (generic_state->gop_ref_distance == 1)
                    avc_state->rounding_value = gen9_avc_adaptive_inter_rounding_p_without_b[slice_qp];
                else
                    avc_state->rounding_value = gen9_avc_adaptive_inter_rounding_p[slice_qp];
            } else {
                avc_state->rounding_value = gen9_avc_inter_rounding_p[generic_state->preset];
            }

        } else {
            avc_state->rounding_value = avc_state->rounding_inter_p;
        }
    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        if (pic_param->pic_fields.bits.reference_pic_flag) {
            if (avc_state->rounding_inter_b_ref == AVC_INVALID_ROUNDING_VALUE)
                avc_state->rounding_value = gen9_avc_inter_rounding_b_ref[generic_state->preset];
            else
                avc_state->rounding_value = avc_state->rounding_inter_b_ref;
        } else {
            if (avc_state->rounding_inter_b == AVC_INVALID_ROUNDING_VALUE) {
                if (avc_state->adaptive_rounding_inter_enable && !(generic_state->brc_enabled))
                    avc_state->rounding_value = gen9_avc_adaptive_inter_rounding_b[slice_qp];
                else
                    avc_state->rounding_value = gen9_avc_inter_rounding_b[generic_state->preset];
            } else {
                avc_state->rounding_value = avc_state->rounding_inter_b;
            }
        }
    }
    return VA_STATUS_SUCCESS;
}

static VAStatus
gen9_avc_vme_gpe_kernel_prepare(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context)
{
    VAStatus va_status;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    struct object_surface *obj_surface;
    struct object_buffer *obj_buffer;
    VAEncSliceParameterBufferH264 * slice_param = avc_state->slice_param[0];
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;
    struct i965_coded_buffer_segment *coded_buffer_segment;

    struct gen9_surface_avc *avc_priv_surface;
    dri_bo *bo;
    struct avc_surface_param surface_param;
    int i, j = 0;
    unsigned char * pdata;

    /* Setup current reconstruct frame */
    obj_surface = encode_state->reconstructed_object;
    va_status = i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420);

    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    memset(&surface_param, 0, sizeof(surface_param));
    surface_param.frame_width = generic_state->frame_width_in_pixel;
    surface_param.frame_height = generic_state->frame_height_in_pixel;
    va_status = gen9_avc_init_check_surfaces(ctx,
                                             obj_surface,
                                             encoder_context,
                                             &surface_param);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;
    {
        /* init the member of avc_priv_surface,frame_store_id,qp_value*/
        avc_priv_surface = (struct gen9_surface_avc *)obj_surface->private_data;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 2] = 0;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 1] = 0;
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 2]);
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 1]);
        i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 2], avc_priv_surface->dmv_top);
        i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 1], avc_priv_surface->dmv_bottom);
        avc_priv_surface->qp_value = pic_param->pic_init_qp + slice_param->slice_qp_delta;
        avc_priv_surface->frame_store_id = 0;
        avc_priv_surface->frame_idx = pic_param->CurrPic.frame_idx;
        avc_priv_surface->top_field_order_cnt = pic_param->CurrPic.TopFieldOrderCnt;
        avc_priv_surface->is_as_ref = pic_param->pic_fields.bits.reference_pic_flag;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 2] = avc_priv_surface->top_field_order_cnt;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 1] = avc_priv_surface->top_field_order_cnt + 1;
    }
    i965_free_gpe_resource(&generic_ctx->res_reconstructed_surface);
    i965_object_surface_to_2d_gpe_resource_with_align(&generic_ctx->res_reconstructed_surface, obj_surface, GPE_RESOURCE_ALIGNMENT);

    /* input YUV surface*/
    obj_surface = encode_state->input_yuv_object;
    va_status = i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420);

    if (va_status != VA_STATUS_SUCCESS)
        return va_status;
    i965_free_gpe_resource(&generic_ctx->res_uncompressed_input_surface);
    i965_object_surface_to_2d_gpe_resource_with_align(&generic_ctx->res_uncompressed_input_surface, obj_surface, GPE_RESOURCE_ALIGNMENT);

    /* Reference surfaces */
    for (i = 0; i < ARRAY_ELEMS(avc_ctx->list_reference_res); i++) {
        i965_free_gpe_resource(&avc_ctx->list_reference_res[i]);
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2]);
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2 + 1]);
        obj_surface = encode_state->reference_objects[i];
        avc_state->top_field_poc[2 * i] = 0;
        avc_state->top_field_poc[2 * i + 1] = 0;

        if (obj_surface && obj_surface->bo) {
            i965_object_surface_to_2d_gpe_resource_with_align(&avc_ctx->list_reference_res[i], obj_surface, GPE_RESOURCE_ALIGNMENT);

            /* actually it should be handled when it is reconstructed surface*/
            va_status = gen9_avc_init_check_surfaces(ctx,
                                                     obj_surface, encoder_context,
                                                     &surface_param);
            if (va_status != VA_STATUS_SUCCESS)
                return va_status;
            avc_priv_surface = (struct gen9_surface_avc *)obj_surface->private_data;
            i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2], avc_priv_surface->dmv_top);
            i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2 + 1], avc_priv_surface->dmv_bottom);
            avc_state->top_field_poc[2 * i] = avc_priv_surface->top_field_order_cnt;
            avc_state->top_field_poc[2 * i + 1] = avc_priv_surface->top_field_order_cnt + 1;
            avc_priv_surface->frame_store_id = i;
        } else {
            break;
        }
    }

    /* Encoded bitstream ?*/
    obj_buffer = encode_state->coded_buf_object;
    bo = obj_buffer->buffer_store->bo;
    i965_free_gpe_resource(&generic_ctx->compressed_bitstream.res);
    i965_dri_object_to_buffer_gpe_resource(&generic_ctx->compressed_bitstream.res, bo);
    generic_ctx->compressed_bitstream.start_offset = I965_CODEDBUFFER_HEADER_SIZE;
    generic_ctx->compressed_bitstream.end_offset = ALIGN(obj_buffer->size_element - 0x1000, 0x1000);

    /*status buffer */
    avc_ctx->status_buffer.bo = bo;

    /* set the internal flag to 0 to indicate the coded size is unknown */
    dri_bo_map(bo, 1);
    coded_buffer_segment = (struct i965_coded_buffer_segment *)bo->virtual;
    coded_buffer_segment->mapped = 0;
    coded_buffer_segment->codec = encoder_context->codec;
    coded_buffer_segment->status_support = 1;

    pdata = bo->virtual + avc_ctx->status_buffer.base_offset;
    memset(pdata, 0, avc_ctx->status_buffer.status_buffer_size);
    dri_bo_unmap(bo);

    //frame id, it is the ref pic id in the reference_objects list.
    avc_state->num_refs[0] = 0;
    avc_state->num_refs[1] = 0;
    if (generic_state->frame_type == SLICE_TYPE_P) {
        avc_state->num_refs[0] = pic_param->num_ref_idx_l0_active_minus1 + 1;

        if (slice_param->num_ref_idx_active_override_flag)
            avc_state->num_refs[0] = slice_param->num_ref_idx_l0_active_minus1 + 1;
    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        avc_state->num_refs[0] = pic_param->num_ref_idx_l0_active_minus1 + 1;
        avc_state->num_refs[1] = pic_param->num_ref_idx_l1_active_minus1 + 1;

        if (slice_param->num_ref_idx_active_override_flag) {
            avc_state->num_refs[0] = slice_param->num_ref_idx_l0_active_minus1 + 1;
            avc_state->num_refs[1] = slice_param->num_ref_idx_l1_active_minus1 + 1;
        }
    }

    if (avc_state->num_refs[0] > ARRAY_ELEMS(avc_state->list_ref_idx[0]))
        return VA_STATUS_ERROR_INVALID_VALUE;
    if (avc_state->num_refs[1] > ARRAY_ELEMS(avc_state->list_ref_idx[1]))
        return VA_STATUS_ERROR_INVALID_VALUE;

    for (i = 0; i < ARRAY_ELEMS(avc_state->list_ref_idx[0]); i++) {
        VAPictureH264 *va_pic;

        assert(ARRAY_ELEMS(slice_param->RefPicList0) == ARRAY_ELEMS(avc_state->list_ref_idx[0]));
        avc_state->list_ref_idx[0][i] = 0;

        if (i >= avc_state->num_refs[0])
            continue;

        va_pic = &slice_param->RefPicList0[i];

        for (j = 0; j < ARRAY_ELEMS(encode_state->reference_objects); j++) {
            obj_surface = encode_state->reference_objects[j];

            if (obj_surface &&
                obj_surface->bo &&
                obj_surface->base.id == va_pic->picture_id) {

                assert(obj_surface->base.id != VA_INVALID_SURFACE);
                avc_state->list_ref_idx[0][i] = j;

                break;
            }
        }
    }
    for (i = 0; i < ARRAY_ELEMS(avc_state->list_ref_idx[1]); i++) {
        VAPictureH264 *va_pic;

        assert(ARRAY_ELEMS(slice_param->RefPicList1) == ARRAY_ELEMS(avc_state->list_ref_idx[1]));
        avc_state->list_ref_idx[1][i] = 0;

        if (i >= avc_state->num_refs[1])
            continue;

        va_pic = &slice_param->RefPicList1[i];

        for (j = 0; j < ARRAY_ELEMS(encode_state->reference_objects); j++) {
            obj_surface = encode_state->reference_objects[j];

            if (obj_surface &&
                obj_surface->bo &&
                obj_surface->base.id == va_pic->picture_id) {

                assert(obj_surface->base.id != VA_INVALID_SURFACE);
                avc_state->list_ref_idx[1][i] = j;

                break;
            }
        }
    }

    return VA_STATUS_SUCCESS;
}

static VAStatus
gen9_avc_vme_gpe_kernel_init(VADriverContextP ctx,
                             struct encode_state *encode_state,
                             struct intel_encoder_context *encoder_context)
{
    return VA_STATUS_SUCCESS;
}

static VAStatus
gen9_avc_vme_gpe_kernel_final(VADriverContextP ctx,
                              struct encode_state *encode_state,
                              struct intel_encoder_context *encoder_context)
{

    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    /*set this flag when all kernel is finished*/
    if (generic_state->brc_enabled) {
        generic_state->brc_inited = 1;
        generic_state->brc_need_reset = 0;
        avc_state->mbenc_curbe_set_in_brc_update = 0;
    }
    return VA_STATUS_SUCCESS;
}

static VAStatus
gen9_avc_vme_gpe_kernel_run(VADriverContextP ctx,
                            struct encode_state *encode_state,
                            struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    int fei_enabled = encoder_context->fei_enabled;

    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;
    VAEncSliceParameterBufferH264 *slice_param = avc_state->slice_param[0];
    int sfd_in_use = 0;

    /* BRC init/reset needs to be called before HME since it will reset the Brc Distortion surface*/
    if (!fei_enabled && generic_state->brc_enabled && (!generic_state->brc_inited || generic_state->brc_need_reset)) {
        gen9_avc_kernel_brc_init_reset(ctx, encode_state, encoder_context);
    }

    /*down scaling*/
    if (generic_state->hme_supported) {
        gen9_avc_kernel_scaling(ctx, encode_state, encoder_context, INTEL_ENC_HME_4x);
        if (generic_state->b16xme_supported) {
            gen9_avc_kernel_scaling(ctx, encode_state, encoder_context, INTEL_ENC_HME_16x);
            if (generic_state->b32xme_supported) {
                gen9_avc_kernel_scaling(ctx, encode_state, encoder_context, INTEL_ENC_HME_32x);
            }
        }
    }

    /*me kernel*/
    if (generic_state->hme_enabled) {
        if (generic_state->b16xme_enabled) {
            if (generic_state->b32xme_enabled) {
                gen9_avc_kernel_me(ctx, encode_state, encoder_context, INTEL_ENC_HME_32x);
            }
            gen9_avc_kernel_me(ctx, encode_state, encoder_context, INTEL_ENC_HME_16x);
        }
        gen9_avc_kernel_me(ctx, encode_state, encoder_context, INTEL_ENC_HME_4x);
    }

    /*call SFD kernel after HME in same command buffer*/
    sfd_in_use = avc_state->sfd_enable && generic_state->hme_enabled;
    sfd_in_use = sfd_in_use && !avc_state->sfd_mb_enable;
    if (sfd_in_use) {
        gen9_avc_kernel_sfd(ctx, encode_state, encoder_context);
    }

    /* BRC and MbEnc are included in the same task phase*/
    if (generic_state->brc_enabled) {
        if (avc_state->mbenc_i_frame_dist_in_use) {
            gen9_avc_kernel_mbenc(ctx, encode_state, encoder_context, true);
        }
        gen9_avc_kernel_brc_frame_update(ctx, encode_state, encoder_context);

        if (avc_state->brc_split_enable && generic_state->mb_brc_enabled) {
            gen9_avc_kernel_brc_mb_update(ctx, encode_state, encoder_context);
        }
    }

    /*weight prediction,disable by now */
    avc_state->weighted_ref_l0_enable = 0;
    avc_state->weighted_ref_l1_enable = 0;
    if (avc_state->weighted_prediction_supported &&
        ((generic_state->frame_type == SLICE_TYPE_P && pic_param->pic_fields.bits.weighted_pred_flag) ||
         (generic_state->frame_type == SLICE_TYPE_B && pic_param->pic_fields.bits.weighted_bipred_idc == INTEL_AVC_WP_MODE_EXPLICIT))) {
        if (slice_param->luma_weight_l0_flag & 1) {
            gen9_avc_kernel_wp(ctx, encode_state, encoder_context, 0);

        } else if (!(slice_param->chroma_weight_l0_flag & 1)) {
            pic_param->pic_fields.bits.weighted_pred_flag = 0;// it should be handled in app
        }

        if (generic_state->frame_type == SLICE_TYPE_B && pic_param->pic_fields.bits.weighted_bipred_idc == INTEL_AVC_WP_MODE_EXPLICIT) {
            if (slice_param->luma_weight_l1_flag & 1) {
                gen9_avc_kernel_wp(ctx, encode_state, encoder_context, 1);
            } else if (!((slice_param->luma_weight_l0_flag & 1) ||
                         (slice_param->chroma_weight_l0_flag & 1) ||
                         (slice_param->chroma_weight_l1_flag & 1))) {
                pic_param->pic_fields.bits.weighted_bipred_idc = INTEL_AVC_WP_MODE_DEFAULT;// it should be handled in app
            }
        }
    }

    /*mbenc kernel*/
    gen9_avc_kernel_mbenc(ctx, encode_state, encoder_context, false);

    /*ignore the reset vertical line kernel*/

    return VA_STATUS_SUCCESS;
}

static VAStatus
gen9_avc_vme_pipeline(VADriverContextP ctx,
                      VAProfile profile,
                      struct encode_state *encode_state,
                      struct intel_encoder_context *encoder_context)
{
    VAStatus va_status;

    gen9_avc_update_parameters(ctx, profile, encode_state, encoder_context);

    va_status = gen9_avc_encode_check_parameter(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    va_status = gen9_avc_allocate_resources(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    va_status = gen9_avc_vme_gpe_kernel_prepare(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    va_status = gen9_avc_vme_gpe_kernel_init(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    va_status = gen9_avc_vme_gpe_kernel_run(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    gen9_avc_vme_gpe_kernel_final(ctx, encode_state, encoder_context);

    return VA_STATUS_SUCCESS;
}

/* Update PreEnc specific parameters */
static VAStatus
gen9_avc_preenc_update_parameters(VADriverContextP ctx,
                                  VAProfile profile,
                                  struct encode_state *encode_state,
                                  struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAStatsStatisticsParameterH264 *stat_param_h264 = NULL;
    VAStatsStatisticsParameter *stat_param = NULL;
    struct object_buffer *obj_buffer = NULL;
    struct object_buffer *obj_buffer_mv = NULL, *obj_buffer_stat = NULL;
    struct buffer_store *buffer_store = NULL;
    unsigned int size = 0, i = 0;
    unsigned int frame_mb_nums = 0;

    if (!encoder_context->preenc_enabled ||
        !encode_state->stat_param_ext ||
        !encode_state->stat_param_ext->buffer)
        return VA_STATUS_ERROR_OPERATION_FAILED;

    stat_param_h264 = avc_state->stat_param =
                          (VAStatsStatisticsParameterH264 *)encode_state->stat_param_ext->buffer;
    stat_param = &stat_param_h264->stats_params;

    /* Assume the frame type based on number of past/future ref frames */
    if (!stat_param->num_past_references && !stat_param->num_future_references)
        generic_state->frame_type = SLICE_TYPE_I;
    else if (stat_param->num_future_references > 0)
        generic_state->frame_type = SLICE_TYPE_B;
    else
        generic_state->frame_type = SLICE_TYPE_P;

    generic_state->preset = INTEL_PRESET_RT_SPEED;
    generic_state->kernel_mode = gen9_avc_kernel_mode[generic_state->preset];

    /* frame width and height */
    generic_state->frame_width_in_pixel = encoder_context->frame_width_in_pixel;
    generic_state->frame_height_in_pixel = encoder_context->frame_height_in_pixel;
    generic_state->frame_width_in_mbs = ALIGN(generic_state->frame_width_in_pixel, 16) / 16;
    generic_state->frame_height_in_mbs = ALIGN(generic_state->frame_height_in_pixel, 16) / 16;

    /* 4x downscaled width and height */
    generic_state->frame_width_4x = ALIGN(generic_state->frame_width_in_pixel / 4, 16);
    generic_state->frame_height_4x = ALIGN(generic_state->frame_height_in_pixel / 4, 16);
    generic_state->downscaled_width_4x_in_mb  = generic_state->frame_width_4x / 16 ;
    generic_state->downscaled_height_4x_in_mb = generic_state->frame_height_4x / 16;

    /* reset hme types for preenc */
    if (generic_state->frame_type != SLICE_TYPE_I)
        generic_state->hme_enabled = 1;

    /* ensure frame width is not too small */
    if (generic_state->frame_width_4x <= INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->frame_width_4x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_width_4x_in_mb =
            WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }

    /* ensure frame height is not too small*/
    if (generic_state->frame_height_4x <= INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT) {
        generic_state->frame_height_4x = INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT;
        generic_state->downscaled_height_4x_in_mb =
            WIDTH_IN_MACROBLOCKS(INTEL_VME_MIN_ALLOWED_WIDTH_HEIGHT);
    }

    /********** Ensure buffer object parameters ********/
    frame_mb_nums = generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs;

    /* mv predictor buffer */
    if (stat_param_h264->mv_predictor_ctrl) {
        if (stat_param->mv_predictor == VA_INVALID_ID)
            goto error;
        size = frame_mb_nums * FEI_AVC_MV_PREDICTOR_BUFFER_SIZE;
        obj_buffer = BUFFER(stat_param->mv_predictor);
        if (!obj_buffer)
            goto error;
        buffer_store = obj_buffer->buffer_store;
        if (buffer_store->bo->size < size)
            goto error;
        if (avc_ctx->preproc_mv_predictor_buffer.bo != NULL)
            i965_free_gpe_resource(&avc_ctx->preproc_mv_predictor_buffer);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_ctx->preproc_mv_predictor_buffer,
            buffer_store->bo);
    }

    /* MB qp buffer */
    if (stat_param_h264->mb_qp) {
        if (stat_param->qp == VA_INVALID_ID)
            goto error;
        size = frame_mb_nums * FEI_AVC_QP_BUFFER_SIZE;
        obj_buffer = BUFFER(stat_param->qp);
        buffer_store = obj_buffer->buffer_store;
        if (buffer_store->bo->size < size)
            goto error;
        if (avc_ctx->preproc_mb_qp_buffer.bo != NULL)
            i965_free_gpe_resource(&avc_ctx->preproc_mb_qp_buffer);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_ctx->preproc_mb_qp_buffer,
            buffer_store->bo);
    }

    /* locate mv and stat buffer */
    if (!stat_param_h264->disable_mv_output ||
        !stat_param_h264->disable_statistics_output) {

        if (!stat_param->outputs)
            goto error;

        for (i = 0; i < 2 ; i++) {
            if (stat_param->outputs[i] != VA_INVALID_ID) {
                obj_buffer = BUFFER(stat_param->outputs[i]);
                switch (obj_buffer->type) {
                case VAStatsMVBufferType:
                    obj_buffer_mv = obj_buffer;
                    break;
                case VAStatsStatisticsBufferType:
                    obj_buffer_stat = obj_buffer;
                    break;
                default:
                    assert(0);
                }
            }
            if (!(!stat_param_h264->disable_mv_output &&
                  !stat_param_h264->disable_statistics_output))
                break;
        }
    }
    /* mv data output buffer */
    if (!stat_param_h264->disable_mv_output && obj_buffer_mv) {
        size = frame_mb_nums * FEI_AVC_MV_DATA_BUFFER_SIZE;
        buffer_store = obj_buffer_mv->buffer_store;
        if (buffer_store->bo->size < size)
            goto error;
        if (avc_ctx->preproc_mv_data_out_buffer.bo != NULL)
            i965_free_gpe_resource(&avc_ctx->preproc_mv_data_out_buffer);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_ctx->preproc_mv_data_out_buffer,
            buffer_store->bo);
    }
    /* statistics output buffer */
    if (!stat_param_h264->disable_statistics_output && obj_buffer_stat) {
        size = frame_mb_nums * PREENC_AVC_STATISTICS_BUFFER_SIZE;
        buffer_store = obj_buffer_stat->buffer_store;
        if (buffer_store->bo->size < size)
            goto error;
        if (avc_ctx->preproc_stat_data_out_buffer.bo != NULL)
            i965_free_gpe_resource(&avc_ctx->preproc_stat_data_out_buffer);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_ctx->preproc_stat_data_out_buffer,
            buffer_store->bo);
    }

    /* past ref stat out buffer */
    if (stat_param->num_past_references && stat_param->past_ref_stat_buf &&
        stat_param->past_ref_stat_buf[0] != VA_INVALID_ID) {
        size = frame_mb_nums * PREENC_AVC_STATISTICS_BUFFER_SIZE;
        obj_buffer = BUFFER(stat_param->past_ref_stat_buf[0]);
        buffer_store = obj_buffer->buffer_store;
        if (buffer_store->bo->size < size)
            goto error;
        if (avc_ctx->preenc_past_ref_stat_data_out_buffer.bo != NULL)
            i965_free_gpe_resource(&avc_ctx->preenc_past_ref_stat_data_out_buffer);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_ctx->preenc_past_ref_stat_data_out_buffer,
            buffer_store->bo);
    }
    /* future ref stat out buffer */
    if (stat_param->num_past_references && stat_param->future_ref_stat_buf &&
        stat_param->future_ref_stat_buf[0] != VA_INVALID_ID) {
        size = frame_mb_nums * PREENC_AVC_STATISTICS_BUFFER_SIZE;
        obj_buffer = BUFFER(stat_param->future_ref_stat_buf[0]);
        buffer_store = obj_buffer->buffer_store;
        if (buffer_store->bo->size < size)
            goto error;
        if (avc_ctx->preenc_future_ref_stat_data_out_buffer.bo != NULL)
            i965_free_gpe_resource(&avc_ctx->preenc_future_ref_stat_data_out_buffer);
        i965_dri_object_to_buffer_gpe_resource(
            &avc_ctx->preenc_future_ref_stat_data_out_buffer,
            buffer_store->bo);
    }
    return VA_STATUS_SUCCESS;

error:
    return VA_STATUS_ERROR_INVALID_BUFFER;
}

/* allocate internal resouces required for PreEenc */
static VAStatus
gen9_avc_preenc_allocate_internal_resources(VADriverContextP ctx,
                                            struct encode_state *encode_state,
                                            struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    unsigned int width  = 0;
    unsigned int height  = 0;
    unsigned int size  = 0;
    int allocate_flag = 1;

    /* 4x MEMV data buffer */
    width = ALIGN(generic_state->downscaled_width_4x_in_mb * 32, 64);
    height = generic_state->downscaled_height_4x_in_mb * 4 * 2 * 10;
    i965_free_gpe_resource(&avc_ctx->s4x_memv_data_buffer);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->s4x_memv_data_buffer,
                                                  width, height,
                                                  width,
                                                  "4x MEMV data buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->s4x_memv_data_buffer);

    /*  Output DISTORTION surface from 4x ME */
    width = generic_state->downscaled_width_4x_in_mb * 8;
    height = generic_state->downscaled_height_4x_in_mb * 4 * 10;
    i965_free_gpe_resource(&avc_ctx->s4x_memv_distortion_buffer);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->s4x_memv_distortion_buffer,
                                                  width, height,
                                                  ALIGN(width, 64),
                                                  "4x MEMV distortion buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->s4x_memv_distortion_buffer);

    /* output BRC DISTORTION surface from 4x ME  */
    width = (generic_state->downscaled_width_4x_in_mb + 7) / 8 * 64;
    height = (generic_state->downscaled_height_4x_in_mb + 1) / 2 * 8;
    i965_free_gpe_resource(&avc_ctx->res_brc_dist_data_surface);
    allocate_flag = i965_gpe_allocate_2d_resource(i965->intel.bufmgr,
                                                  &avc_ctx->res_brc_dist_data_surface,
                                                  width, height,
                                                  width,
                                                  "brc dist data buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->res_brc_dist_data_surface);


    /* FTQ Lut buffer,whichs is the mbbrc_const_data_buffer */
    i965_free_gpe_resource(&avc_ctx->res_mbbrc_const_data_buffer);
    size = 16 * AVC_QP_MAX * 4;
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_mbbrc_const_data_buffer,
                                               ALIGN(size, 0x1000),
                                               "mbbrc const data buffer");
    if (!allocate_flag)
        goto failed_allocation;
    i965_zero_gpe_resource(&avc_ctx->res_mbbrc_const_data_buffer);

    /* 4x downscaled surface  */
    if (!avc_ctx->preenc_scaled_4x_surface_obj) {
        i965_CreateSurfaces(ctx,
                            generic_state->frame_width_4x,
                            generic_state->frame_height_4x,
                            VA_RT_FORMAT_YUV420,
                            1,
                            &avc_ctx->preenc_scaled_4x_surface_id);
        avc_ctx->preenc_scaled_4x_surface_obj = SURFACE(avc_ctx->preenc_scaled_4x_surface_id);
        if (!avc_ctx->preenc_scaled_4x_surface_obj)
            goto failed_allocation;
        i965_check_alloc_surface_bo(ctx, avc_ctx->preenc_scaled_4x_surface_obj, 1,
                                    VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);
    }

    /* 4x downscaled past ref surface  */
    if (!avc_ctx->preenc_past_ref_scaled_4x_surface_obj) {
        i965_CreateSurfaces(ctx,
                            generic_state->frame_width_4x,
                            generic_state->frame_height_4x,
                            VA_RT_FORMAT_YUV420,
                            1,
                            &avc_ctx->preenc_past_ref_scaled_4x_surface_id);
        avc_ctx->preenc_past_ref_scaled_4x_surface_obj =
            SURFACE(avc_ctx->preenc_past_ref_scaled_4x_surface_id);
        if (!avc_ctx->preenc_past_ref_scaled_4x_surface_obj)
            goto failed_allocation;
        i965_check_alloc_surface_bo(ctx, avc_ctx->preenc_past_ref_scaled_4x_surface_obj, 1,
                                    VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);
    }

    /* 4x downscaled future ref surface  */
    if (!avc_ctx->preenc_future_ref_scaled_4x_surface_obj) {
        i965_CreateSurfaces(ctx,
                            generic_state->frame_width_4x,
                            generic_state->frame_height_4x,
                            VA_RT_FORMAT_YUV420,
                            1,
                            &avc_ctx->preenc_future_ref_scaled_4x_surface_id);
        avc_ctx->preenc_future_ref_scaled_4x_surface_obj =
            SURFACE(avc_ctx->preenc_future_ref_scaled_4x_surface_id);
        if (!avc_ctx->preenc_future_ref_scaled_4x_surface_obj)
            goto failed_allocation;
        i965_check_alloc_surface_bo(ctx, avc_ctx->preenc_future_ref_scaled_4x_surface_obj, 1,
                                    VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);
    }

    /* FeiPreEncFixme: dummy coded buffer. This is a tweak which helps to use
     * the generic AVC Encdoe codepath which allocate status buffer as extension
     * to CodedBuffer */
    if (!avc_ctx->status_buffer.bo) {
        size =
            generic_state->frame_width_in_pixel * generic_state->frame_height_in_pixel * 12;
        size += I965_CODEDBUFFER_HEADER_SIZE;
        size += 0x1000;
        avc_ctx->status_buffer.bo = dri_bo_alloc(i965->intel.bufmgr,
                                                 "Dummy Coded Buffer",
                                                 size, 64);
    }

    return VA_STATUS_SUCCESS;

failed_allocation:
    return VA_STATUS_ERROR_ALLOCATION_FAILED;
}


static VAStatus
gen9_avc_preenc_gpe_kernel_run(VADriverContextP ctx,
                               struct encode_state *encode_state,
                               struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)vme_context->private_enc_state;
    VAStatsStatisticsParameterH264 *stat_param_h264 = avc_state->stat_param;;
    VAStatsStatisticsParameter *stat_param = &stat_param_h264->stats_params;

    /* FeiPreEncFixme: Optimize the scaling. Keep a cache of already scaled surfaces
     * to avoid repeated scaling of same surfaces */

    /* down scaling */
    gen9_avc_preenc_kernel_scaling(ctx, encode_state, encoder_context,
                                   INTEL_ENC_HME_4x, SCALE_CUR_PIC);
    if (stat_param->num_past_references > 0) {
        gen9_avc_preenc_kernel_scaling(ctx, encode_state, encoder_context,
                                       INTEL_ENC_HME_4x, SCALE_PAST_REF_PIC);
    }
    if (stat_param->num_future_references > 0) {
        gen9_avc_preenc_kernel_scaling(ctx, encode_state, encoder_context,
                                       INTEL_ENC_HME_4x, SCALE_FUTURE_REF_PIC);
    }

    /* me kernel */
    if (generic_state->hme_enabled) {
        gen9_avc_kernel_me(ctx, encode_state, encoder_context, INTEL_ENC_HME_4x);
    }

    /* preproc kernel */
    if (!stat_param_h264->disable_mv_output || !stat_param_h264->disable_statistics_output) {
        gen9_avc_preenc_kernel_preproc(ctx, encode_state, encoder_context);
    }

    return VA_STATUS_SUCCESS;
}

static VAStatus
gen9_avc_preenc_pipeline(VADriverContextP ctx,
                         VAProfile profile,
                         struct encode_state *encode_state,
                         struct intel_encoder_context *encoder_context)
{
    VAStatus va_status;

    va_status = gen9_avc_preenc_update_parameters(ctx, profile, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    va_status = gen9_avc_preenc_allocate_internal_resources(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    va_status = gen9_avc_preenc_gpe_kernel_run(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    return VA_STATUS_SUCCESS;
}

static void
gen9_avc_vme_context_destroy(void * context)
{
    struct encoder_vme_mfc_context *vme_context = (struct encoder_vme_mfc_context *)context;
    struct generic_encoder_context *generic_ctx;
    struct i965_avc_encoder_context *avc_ctx;
    struct generic_enc_codec_state *generic_state;
    struct avc_enc_state *avc_state;

    if (!vme_context)
        return;

    generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    avc_state = (struct avc_enc_state *)vme_context->private_enc_state;

    gen9_avc_kernel_destroy(vme_context);

    free(generic_ctx);
    free(avc_ctx);
    free(generic_state);
    free(avc_state);
    free(vme_context);
    return;

}

static void
gen8_avc_kernel_init(VADriverContextP ctx,
                     struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    int fei_enabled = encoder_context->fei_enabled;

    generic_ctx->get_kernel_header_and_size = fei_enabled ?
                                              intel_avc_fei_get_kernel_header_and_size :
                                              gen8_avc_get_kernel_header_and_size ;
    gen9_avc_kernel_init_scaling(ctx, generic_ctx, &avc_ctx->context_scaling, false);
    gen9_avc_kernel_init_brc(ctx, generic_ctx, &avc_ctx->context_brc);
    gen9_avc_kernel_init_me(ctx, generic_ctx, &avc_ctx->context_me, false);
    gen9_avc_kernel_init_mbenc(ctx, generic_ctx, &avc_ctx->context_mbenc, fei_enabled);
    gen9_avc_kernel_init_sfd(ctx, generic_ctx, &avc_ctx->context_sfd);

    //function pointer
    generic_ctx->pfn_set_curbe_scaling2x = gen9_avc_set_curbe_scaling2x;
    generic_ctx->pfn_set_curbe_scaling4x = gen8_avc_set_curbe_scaling4x;
    generic_ctx->pfn_set_curbe_me = gen8_avc_set_curbe_me;
    generic_ctx->pfn_set_curbe_mbenc = gen8_avc_set_curbe_mbenc;
    generic_ctx->pfn_set_curbe_brc_init_reset = gen9_avc_set_curbe_brc_init_reset;
    generic_ctx->pfn_set_curbe_brc_frame_update = gen8_avc_set_curbe_brc_frame_update;
    generic_ctx->pfn_set_curbe_sfd = gen9_avc_set_curbe_sfd;

    generic_ctx->pfn_send_scaling_surface = gen9_avc_send_surface_scaling;
    generic_ctx->pfn_send_me_surface = gen9_avc_send_surface_me;
    generic_ctx->pfn_send_mbenc_surface = gen9_avc_send_surface_mbenc;
    generic_ctx->pfn_send_brc_init_reset_surface = gen9_avc_send_surface_brc_init_reset;
    generic_ctx->pfn_send_brc_frame_update_surface = gen9_avc_send_surface_brc_frame_update;
    generic_ctx->pfn_send_sfd_surface = gen9_avc_send_surface_sfd;
}
static void
gen9_avc_kernel_init(VADriverContextP ctx,
                     struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)vme_context->generic_enc_ctx;
    int fei_enabled = encoder_context->fei_enabled;
    int preenc_enabled = encoder_context->preenc_enabled;

    generic_ctx->get_kernel_header_and_size = (fei_enabled || preenc_enabled) ?
                                              intel_avc_fei_get_kernel_header_and_size :
                                              intel_avc_get_kernel_header_and_size ;

    if (!fei_enabled && !preenc_enabled) {
        /* generic AVC Encoder */
        gen9_avc_kernel_init_scaling(ctx, generic_ctx, &avc_ctx->context_scaling, false);
        gen9_avc_kernel_init_brc(ctx, generic_ctx, &avc_ctx->context_brc);
        gen9_avc_kernel_init_me(ctx, generic_ctx, &avc_ctx->context_me, false);
        gen9_avc_kernel_init_mbenc(ctx, generic_ctx, &avc_ctx->context_mbenc,
                                   encoder_context->fei_enabled);
        gen9_avc_kernel_init_wp(ctx, generic_ctx, &avc_ctx->context_wp);
        gen9_avc_kernel_init_sfd(ctx, generic_ctx, &avc_ctx->context_sfd);

        //function pointer
        generic_ctx->pfn_set_curbe_scaling2x = gen9_avc_set_curbe_scaling2x;
        generic_ctx->pfn_set_curbe_scaling4x = gen9_avc_set_curbe_scaling4x;
        generic_ctx->pfn_set_curbe_me = gen9_avc_set_curbe_me;
        generic_ctx->pfn_set_curbe_mbenc = gen9_avc_set_curbe_mbenc;
        generic_ctx->pfn_set_curbe_brc_init_reset = gen9_avc_set_curbe_brc_init_reset;
        generic_ctx->pfn_set_curbe_brc_frame_update = gen9_avc_set_curbe_brc_frame_update;
        generic_ctx->pfn_set_curbe_brc_mb_update = gen9_avc_set_curbe_brc_mb_update;
        generic_ctx->pfn_set_curbe_sfd = gen9_avc_set_curbe_sfd;
        generic_ctx->pfn_set_curbe_wp = gen9_avc_set_curbe_wp;

        generic_ctx->pfn_send_scaling_surface = gen9_avc_send_surface_scaling;
        generic_ctx->pfn_send_me_surface = gen9_avc_send_surface_me;
        generic_ctx->pfn_send_mbenc_surface = gen9_avc_send_surface_mbenc;
        generic_ctx->pfn_send_brc_init_reset_surface = gen9_avc_send_surface_brc_init_reset;
        generic_ctx->pfn_send_brc_frame_update_surface = gen9_avc_send_surface_brc_frame_update;
        generic_ctx->pfn_send_brc_mb_update_surface = gen9_avc_send_surface_brc_mb_update;
        generic_ctx->pfn_send_sfd_surface = gen9_avc_send_surface_sfd;
        generic_ctx->pfn_send_wp_surface = gen9_avc_send_surface_wp;

        if (IS_SKL(i965->intel.device_info) ||
            IS_BXT(i965->intel.device_info))
            generic_ctx->pfn_set_curbe_scaling4x = gen9_avc_set_curbe_scaling4x;
        else if (IS_KBL(i965->intel.device_info) ||
                 IS_GEN10(i965->intel.device_info) ||
                 IS_GLK(i965->intel.device_info))
            generic_ctx->pfn_set_curbe_scaling4x = gen95_avc_set_curbe_scaling4x;

    } else if (fei_enabled) {
        /* FEI AVC Encoding */
        gen9_avc_kernel_init_mbenc(ctx, generic_ctx, &avc_ctx->context_mbenc,
                                   encoder_context->fei_enabled);
        generic_ctx->pfn_set_curbe_mbenc = gen9_avc_fei_set_curbe_mbenc;
        generic_ctx->pfn_send_mbenc_surface = gen9_avc_fei_send_surface_mbenc;

    } else {
        /* PreEnc for AVC */
        gen9_avc_kernel_init_scaling(ctx, generic_ctx, &avc_ctx->context_scaling,
                                     encoder_context->preenc_enabled);
        gen9_avc_kernel_init_me(ctx, generic_ctx, &avc_ctx->context_me,
                                encoder_context->preenc_enabled);
        gen9_avc_kernel_init_preproc(ctx, generic_ctx, &avc_ctx->context_preproc);

        /* preenc 4x scaling uses the gen95 kernel */
        generic_ctx->pfn_set_curbe_scaling4x = gen95_avc_set_curbe_scaling4x;
        generic_ctx->pfn_set_curbe_me = gen9_avc_preenc_set_curbe_me;
        generic_ctx->pfn_set_curbe_preproc = gen9_avc_preenc_set_curbe_preproc;

        generic_ctx->pfn_send_scaling_surface = gen9_avc_send_surface_scaling;
        generic_ctx->pfn_send_me_surface = gen9_avc_preenc_send_surface_me;
        generic_ctx->pfn_send_preproc_surface = gen9_avc_preenc_send_surface_preproc;
    }
}

/*
PAK pipeline related function
*/
extern int
intel_avc_enc_slice_type_fixup(int slice_type);

/* Allocate resources needed for PAK only mode (get invoked only in FEI encode) */
static VAStatus
gen9_avc_allocate_pak_resources(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    unsigned int size  = 0;
    int allocate_flag = 1;

    /*second level batch buffer for image state write when cqp etc*/
    i965_free_gpe_resource(&avc_ctx->res_image_state_batch_buffer_2nd_level);
    size = INTEL_AVC_IMAGE_STATE_CMD_SIZE ;
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_image_state_batch_buffer_2nd_level,
                                               ALIGN(size, 0x1000),
                                               "second levle batch (image state write) buffer");
    if (!allocate_flag)
        goto failed_allocation;

    if (!generic_state->brc_allocated) {
        i965_free_gpe_resource(&avc_ctx->res_brc_pre_pak_statistics_output_buffer);
        size = 64;//44
        allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                                   &avc_ctx->res_brc_pre_pak_statistics_output_buffer,
                                                   ALIGN(size, 0x1000),
                                                   "brc pak statistic buffer");
        if (!allocate_flag)
            goto failed_allocation;
    }

    return VA_STATUS_SUCCESS;

failed_allocation:
    return VA_STATUS_ERROR_ALLOCATION_FAILED;
}

static void
gen9_mfc_avc_pipe_mode_select(VADriverContextP ctx,
                              struct encode_state *encode_state,
                              struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    struct intel_batchbuffer *batch = encoder_context->base.batch;

    BEGIN_BCS_BATCH(batch, 5);

    OUT_BCS_BATCH(batch, MFX_PIPE_MODE_SELECT | (5 - 2));
    OUT_BCS_BATCH(batch,
                  (0 << 29) |
                  (MFX_LONG_MODE << 17) |       /* Must be long format for encoder */
                  (MFD_MODE_VLD << 15) |
                  (0 << 13) |                   /* Non-VDEnc mode  is 0*/
                  ((generic_state->curr_pak_pass != (generic_state->num_pak_passes - 1)) << 10) |                  /* Stream-Out Enable */
                  ((!!avc_ctx->res_post_deblocking_output.bo) << 9)  |    /* Post Deblocking Output */
                  ((!!avc_ctx->res_pre_deblocking_output.bo) << 8)  |     /* Pre Deblocking Output */
                  (0 << 7)  |                   /* Scaled surface enable */
                  (0 << 6)  |                   /* Frame statistics stream out enable */
                  (0 << 5)  |                   /* not in stitch mode */
                  (1 << 4)  |                   /* encoding mode */
                  (MFX_FORMAT_AVC << 0));
    OUT_BCS_BATCH(batch,
                  (0 << 7)  | /* expand NOA bus flag */
                  (0 << 6)  | /* disable slice-level clock gating */
                  (0 << 5)  | /* disable clock gating for NOA */
                  (0 << 4)  | /* terminate if AVC motion and POC table error occurs */
                  (0 << 3)  | /* terminate if AVC mbdata error occurs */
                  (0 << 2)  | /* terminate if AVC CABAC/CAVLC decode error occurs */
                  (0 << 1)  |
                  (0 << 0));
    OUT_BCS_BATCH(batch, 0);
    OUT_BCS_BATCH(batch, 0);

    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_avc_surface_state(VADriverContextP ctx,
                           struct intel_encoder_context *encoder_context,
                           struct i965_gpe_resource *gpe_resource,
                           int id)
{
    struct intel_batchbuffer *batch = encoder_context->base.batch;

    BEGIN_BCS_BATCH(batch, 6);

    OUT_BCS_BATCH(batch, MFX_SURFACE_STATE | (6 - 2));
    OUT_BCS_BATCH(batch, id);
    OUT_BCS_BATCH(batch,
                  ((gpe_resource->height - 1) << 18) |
                  ((gpe_resource->width - 1) << 4));
    OUT_BCS_BATCH(batch,
                  (MFX_SURFACE_PLANAR_420_8 << 28) |    /* 420 planar YUV surface */
                  (1 << 27) |                           /* must be 1 for interleave U/V, hardware requirement */
                  ((gpe_resource->pitch - 1) << 3) |    /* pitch */
                  (0 << 2)  |                           /* must be 0 for interleave U/V */
                  (1 << 1)  |                           /* must be tiled */
                  (I965_TILEWALK_YMAJOR << 0));         /* tile walk, TILEWALK_YMAJOR */
    OUT_BCS_BATCH(batch,
                  (0 << 16) |                   /* must be 0 for interleave U/V */
                  (gpe_resource->y_cb_offset));         /* y offset for U(cb) */
    OUT_BCS_BATCH(batch,
                  (0 << 16) |                   /* must be 0 for interleave U/V */
                  (gpe_resource->y_cb_offset));         /* y offset for U(cb) */

    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_avc_pipe_buf_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)pak_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    int i;
    unsigned int cmd_len = 65;

    if (IS_GEN10(i965->intel.device_info))
        cmd_len = 68;

    BEGIN_BCS_BATCH(batch, cmd_len);

    OUT_BCS_BATCH(batch, MFX_PIPE_BUF_ADDR_STATE | (cmd_len - 2));

    /* the DW1-3 is for pre_deblocking */
    OUT_BUFFER_3DW(batch, avc_ctx->res_pre_deblocking_output.bo, 1, 0, i965->intel.mocs_state);

    /* the DW4-6 is for the post_deblocking */
    OUT_BUFFER_3DW(batch, avc_ctx->res_post_deblocking_output.bo, 1, 0, i965->intel.mocs_state);

    /* the DW7-9 is for the uncompressed_picture */
    OUT_BUFFER_3DW(batch, generic_ctx->res_uncompressed_input_surface.bo, 0, 0, i965->intel.mocs_state);

    /* the DW10-12 is for PAK information (write) */
    OUT_BUFFER_3DW(batch, avc_ctx->res_pak_mb_status_buffer.bo, 1, 0, i965->intel.mocs_state);//?

    /* the DW13-15 is for the intra_row_store_scratch */
    OUT_BUFFER_3DW(batch, avc_ctx->res_intra_row_store_scratch_buffer.bo, 1, 0, i965->intel.mocs_state);

    /* the DW16-18 is for the deblocking filter */
    OUT_BUFFER_3DW(batch, avc_ctx->res_deblocking_filter_row_store_scratch_buffer.bo, 1, 0, i965->intel.mocs_state);

    /* the DW 19-50 is for Reference pictures*/
    for (i = 0; i < ARRAY_ELEMS(avc_ctx->list_reference_res); i++) {
        OUT_BUFFER_2DW(batch, avc_ctx->list_reference_res[i].bo, 0, 0);
    }

    /* DW 51, reference picture attributes */
    OUT_BCS_BATCH(batch, i965->intel.mocs_state);

    /* The DW 52-54 is for PAK information (read) */
    OUT_BUFFER_3DW(batch, avc_ctx->res_pak_mb_status_buffer.bo, 1, 0, i965->intel.mocs_state);

    /* the DW 55-57 is the ILDB buffer */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);

    /* the DW 58-60 is the second ILDB buffer */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);

    /* DW 61, memory compress enable & mode */
    OUT_BCS_BATCH(batch, 0);

    /* the DW 62-64 is the buffer */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);

    /*65-67 for CNL */
    if (IS_GEN10(i965->intel.device_info)) {
        OUT_BCS_BATCH(batch, 0);
        OUT_BCS_BATCH(batch, 0);
        OUT_BCS_BATCH(batch, 0);
    }

    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_avc_ind_obj_base_addr_state(VADriverContextP ctx,
                                     struct encode_state *encode_state,
                                     struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)pak_context->generic_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    struct object_surface *obj_surface;
    struct gen9_surface_avc *avc_priv_surface;
    unsigned int size = 0;
    unsigned int w_mb = generic_state->frame_width_in_mbs;
    unsigned int h_mb = generic_state->frame_height_in_mbs;

    obj_surface = encode_state->reconstructed_object;

    if (!obj_surface || !obj_surface->private_data)
        return;
    avc_priv_surface = obj_surface->private_data;

    BEGIN_BCS_BATCH(batch, 26);

    OUT_BCS_BATCH(batch, MFX_IND_OBJ_BASE_ADDR_STATE | (26 - 2));
    /* The DW1-5 is for the MFX indirect bistream offset */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);
    OUT_BUFFER_2DW(batch, NULL, 0, 0);

    /* the DW6-10 is for MFX Indirect MV Object Base Address */
    size = w_mb * h_mb * 32 * 4;
    OUT_BUFFER_3DW(batch,
                   avc_priv_surface->res_mv_data_surface.bo,
                   1,
                   0,
                   i965->intel.mocs_state);
    OUT_BUFFER_2DW(batch,
                   avc_priv_surface->res_mv_data_surface.bo,
                   1,
                   ALIGN(size, 0x1000));

    /* The DW11-15 is for MFX IT-COFF. Not used on encoder */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);
    OUT_BUFFER_2DW(batch, NULL, 0, 0);

    /* The DW16-20 is for MFX indirect DBLK. Not used on encoder */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);
    OUT_BUFFER_2DW(batch, NULL, 0, 0);

    /* The DW21-25 is for MFC Indirect PAK-BSE Object Base Address for Encoder
     * Note: an offset is specified in MFX_AVC_SLICE_STATE
     */
    OUT_BUFFER_3DW(batch,
                   generic_ctx->compressed_bitstream.res.bo,
                   1,
                   0,
                   i965->intel.mocs_state);
    OUT_BUFFER_2DW(batch,
                   generic_ctx->compressed_bitstream.res.bo,
                   1,
                   generic_ctx->compressed_bitstream.end_offset);

    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_avc_bsp_buf_base_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct intel_batchbuffer *batch = encoder_context->base.batch;

    BEGIN_BCS_BATCH(batch, 10);

    OUT_BCS_BATCH(batch, MFX_BSP_BUF_BASE_ADDR_STATE | (10 - 2));

    /* The DW1-3 is for bsd/mpc row store scratch buffer */
    OUT_BUFFER_3DW(batch, avc_ctx->res_bsd_mpc_row_store_scratch_buffer.bo, 1, 0, i965->intel.mocs_state);

    /* The DW4-6 is for MPR Row Store Scratch Buffer Base Address, ignore for encoder */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);

    /* The DW7-9 is for Bitplane Read Buffer Base Address, ignore for encoder */
    OUT_BUFFER_3DW(batch, NULL, 0, 0, 0);

    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_avc_directmode_state(VADriverContextP ctx,
                              struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;

    int i;

    BEGIN_BCS_BATCH(batch, 71);

    OUT_BCS_BATCH(batch, MFX_AVC_DIRECTMODE_STATE | (71 - 2));

    /* Reference frames and Current frames */
    /* the DW1-32 is for the direct MV for reference */
    for (i = 0; i < NUM_MFC_AVC_DMV_BUFFERS - 2; i += 2) {
        if (avc_ctx->res_direct_mv_buffersr[i].bo != NULL) {
            OUT_BCS_RELOC64(batch, avc_ctx->res_direct_mv_buffersr[i].bo,
                            I915_GEM_DOMAIN_INSTRUCTION, 0,
                            0);
        } else {
            OUT_BCS_BATCH(batch, 0);
            OUT_BCS_BATCH(batch, 0);
        }
    }

    OUT_BCS_BATCH(batch, i965->intel.mocs_state);

    /* the DW34-36 is the MV for the current frame */
    OUT_BCS_RELOC64(batch, avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 2].bo,
                    I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
                    0);

    OUT_BCS_BATCH(batch, i965->intel.mocs_state);

    /* POL list */
    for (i = 0; i < 32; i++) {
        OUT_BCS_BATCH(batch, avc_state->top_field_poc[i]);
    }
    OUT_BCS_BATCH(batch, avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 2]);
    OUT_BCS_BATCH(batch, avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 1]);

    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_qm_state(VADriverContextP ctx,
                  int qm_type,
                  const unsigned int *qm,
                  int qm_length,
                  struct intel_encoder_context *encoder_context)
{
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    unsigned int qm_buffer[16];

    assert(qm_length <= 16);
    assert(sizeof(*qm) == 4);
    memset(qm_buffer, 0, 16 * 4);
    memcpy(qm_buffer, qm, qm_length * 4);

    BEGIN_BCS_BATCH(batch, 18);
    OUT_BCS_BATCH(batch, MFX_QM_STATE | (18 - 2));
    OUT_BCS_BATCH(batch, qm_type << 0);
    intel_batchbuffer_data(batch, qm_buffer, 16 * 4);
    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_avc_qm_state(VADriverContextP ctx,
                      struct encode_state *encode_state,
                      struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;
    VAEncSequenceParameterBufferH264  *seq_param = avc_state->seq_param;
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;


    const unsigned int *qm_4x4_intra;
    const unsigned int *qm_4x4_inter;
    const unsigned int *qm_8x8_intra;
    const unsigned int *qm_8x8_inter;

    if (!seq_param->seq_fields.bits.seq_scaling_matrix_present_flag
        && !pic_param->pic_fields.bits.pic_scaling_matrix_present_flag) {
        qm_4x4_intra = qm_4x4_inter = qm_8x8_intra = qm_8x8_inter = qm_flat;
    } else {
        VAIQMatrixBufferH264 *qm;
        assert(encode_state->q_matrix && encode_state->q_matrix->buffer);
        qm = (VAIQMatrixBufferH264 *)encode_state->q_matrix->buffer;
        qm_4x4_intra = (unsigned int *)qm->ScalingList4x4[0];
        qm_4x4_inter = (unsigned int *)qm->ScalingList4x4[3];
        qm_8x8_intra = (unsigned int *)qm->ScalingList8x8[0];
        qm_8x8_inter = (unsigned int *)qm->ScalingList8x8[1];
    }

    gen9_mfc_qm_state(ctx, MFX_QM_AVC_4X4_INTRA_MATRIX, qm_4x4_intra, 12, encoder_context);
    gen9_mfc_qm_state(ctx, MFX_QM_AVC_4X4_INTER_MATRIX, qm_4x4_inter, 12, encoder_context);
    gen9_mfc_qm_state(ctx, MFX_QM_AVC_8x8_INTRA_MATRIX, qm_8x8_intra, 16, encoder_context);
    gen9_mfc_qm_state(ctx, MFX_QM_AVC_8x8_INTER_MATRIX, qm_8x8_inter, 16, encoder_context);
}

static void
gen9_mfc_fqm_state(VADriverContextP ctx,
                   int fqm_type,
                   const unsigned int *fqm,
                   int fqm_length,
                   struct intel_encoder_context *encoder_context)
{
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    unsigned int fqm_buffer[32];

    assert(fqm_length <= 32);
    assert(sizeof(*fqm) == 4);
    memset(fqm_buffer, 0, 32 * 4);
    memcpy(fqm_buffer, fqm, fqm_length * 4);

    BEGIN_BCS_BATCH(batch, 34);
    OUT_BCS_BATCH(batch, MFX_FQM_STATE | (34 - 2));
    OUT_BCS_BATCH(batch, fqm_type << 0);
    intel_batchbuffer_data(batch, fqm_buffer, 32 * 4);
    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_fill_fqm(uint8_t *qm, uint16_t *fqm, int len)
{
    int i, j;
    for (i = 0; i < len; i++)
        for (j = 0; j < len; j++) {
            assert(qm[j * len + i]);
            fqm[i * len + j] = (1 << 16) / qm[j * len + i];
        }
}

static void
gen9_mfc_avc_fqm_state(VADriverContextP ctx,
                       struct encode_state *encode_state,
                       struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;
    VAEncSequenceParameterBufferH264  *seq_param = avc_state->seq_param;
    VAEncPictureParameterBufferH264  *pic_param = avc_state->pic_param;

    if (!seq_param->seq_fields.bits.seq_scaling_matrix_present_flag
        && !pic_param->pic_fields.bits.pic_scaling_matrix_present_flag) {
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_4X4_INTRA_MATRIX, fqm_flat, 24, encoder_context);
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_4X4_INTER_MATRIX, fqm_flat, 24, encoder_context);
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_8x8_INTRA_MATRIX, fqm_flat, 32, encoder_context);
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_8x8_INTER_MATRIX, fqm_flat, 32, encoder_context);
    } else {
        int i;
        uint32_t fqm[32];
        VAIQMatrixBufferH264 *qm;
        assert(encode_state->q_matrix && encode_state->q_matrix->buffer);
        qm = (VAIQMatrixBufferH264 *)encode_state->q_matrix->buffer;

        for (i = 0; i < 3; i++)
            gen9_mfc_fill_fqm(qm->ScalingList4x4[i], (uint16_t *)fqm + 16 * i, 4);
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_4X4_INTRA_MATRIX, fqm, 24, encoder_context);

        for (i = 3; i < 6; i++)
            gen9_mfc_fill_fqm(qm->ScalingList4x4[i], (uint16_t *)fqm + 16 * (i - 3), 4);
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_4X4_INTER_MATRIX, fqm, 24, encoder_context);

        gen9_mfc_fill_fqm(qm->ScalingList8x8[0], (uint16_t *)fqm, 8);
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_8x8_INTRA_MATRIX, fqm, 32, encoder_context);

        gen9_mfc_fill_fqm(qm->ScalingList8x8[1], (uint16_t *)fqm, 8);
        gen9_mfc_fqm_state(ctx, MFX_QM_AVC_8x8_INTER_MATRIX, fqm, 32, encoder_context);
    }
}

static void
gen9_mfc_avc_insert_object(VADriverContextP ctx,
                           struct intel_encoder_context *encoder_context,
                           unsigned int *insert_data, int lenght_in_dws, int data_bits_in_last_dw,
                           int skip_emul_byte_count, int is_last_header, int is_end_of_slice, int emulation_flag,
                           int slice_header_indicator,
                           struct intel_batchbuffer *batch)
{
    if (data_bits_in_last_dw == 0)
        data_bits_in_last_dw = 32;

    BEGIN_BCS_BATCH(batch, lenght_in_dws + 2);

    OUT_BCS_BATCH(batch, MFX_INSERT_OBJECT | (lenght_in_dws));
    OUT_BCS_BATCH(batch,
                  (0 << 16) |   /* always start at offset 0 */
                  (slice_header_indicator << 14) |
                  (data_bits_in_last_dw << 8) |
                  (skip_emul_byte_count << 4) |
                  (!!emulation_flag << 3) |
                  ((!!is_last_header) << 2) |
                  ((!!is_end_of_slice) << 1) |
                  (0 << 0));    /* check this flag */
    intel_batchbuffer_data(batch, insert_data, lenght_in_dws * 4);

    ADVANCE_BCS_BATCH(batch);
}

static void
gen9_mfc_avc_insert_aud_packed_data(VADriverContextP ctx,
                                    struct encode_state *encode_state,
                                    struct intel_encoder_context *encoder_context,
                                    struct intel_batchbuffer *batch)
{
    VAEncPackedHeaderParameterBuffer *param = NULL;
    unsigned int length_in_bits;
    unsigned int *header_data = NULL;
    unsigned char *nal_type = NULL;
    int count, i, start_index;

    count = encode_state->slice_rawdata_count[0];
    start_index = (encode_state->slice_rawdata_index[0] & SLICE_PACKED_DATA_INDEX_MASK);

    for (i = 0; i < count; i++) {
        unsigned int skip_emul_byte_cnt;

        header_data = (unsigned int *)encode_state->packed_header_data_ext[start_index + i]->buffer;
        nal_type = (unsigned char *)header_data;

        param = (VAEncPackedHeaderParameterBuffer *)(encode_state->packed_header_params_ext[start_index + i]->buffer);
        if (param->type != VAEncPackedHeaderRawData)
            continue;

        length_in_bits = param->bit_length;

        skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits);

        if ((*(nal_type + skip_emul_byte_cnt - 1) & 0x1f) == AVC_NAL_DELIMITER) {
            gen9_mfc_avc_insert_object(ctx,
                                       encoder_context,
                                       header_data,
                                       ALIGN(length_in_bits, 32) >> 5,
                                       length_in_bits & 0x1f,
                                       skip_emul_byte_cnt,
                                       0,
                                       0,
                                       !param->has_emulation_bytes,
                                       0,
                                       batch);
            break;
        }
    }
}

static void
gen9_mfc_avc_insert_slice_packed_data(VADriverContextP ctx,
                                      struct encode_state *encode_state,
                                      struct intel_encoder_context *encoder_context,
                                      int slice_index,
                                      struct intel_batchbuffer *batch)
{
    VAEncPackedHeaderParameterBuffer *param = NULL;
    unsigned int length_in_bits;
    unsigned int *header_data = NULL;
    int count, i, start_index;
    int slice_header_index;
    unsigned char *nal_type = NULL;

    if (encode_state->slice_header_index[slice_index] == 0)
        slice_header_index = -1;
    else
        slice_header_index = (encode_state->slice_header_index[slice_index] & SLICE_PACKED_DATA_INDEX_MASK);

    count = encode_state->slice_rawdata_count[slice_index];
    start_index = (encode_state->slice_rawdata_index[slice_index] & SLICE_PACKED_DATA_INDEX_MASK);

    for (i = 0; i < count; i++) {
        unsigned int skip_emul_byte_cnt;

        header_data = (unsigned int *)encode_state->packed_header_data_ext[start_index + i]->buffer;
        nal_type = (unsigned char *)header_data;

        param = (VAEncPackedHeaderParameterBuffer *)(encode_state->packed_header_params_ext[start_index + i]->buffer);

        length_in_bits = param->bit_length;

        skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits);

        /* skip the slice header packed data type as it is lastly inserted */
        if (param->type == VAEncPackedHeaderSlice || (*(nal_type + skip_emul_byte_cnt - 1) & 0x1f) == AVC_NAL_DELIMITER)
            continue;

        /* as the slice header is still required, the last header flag is set to
         * zero.
         */
        gen9_mfc_avc_insert_object(ctx,
                                   encoder_context,
                                   header_data,
                                   ALIGN(length_in_bits, 32) >> 5,
                                   length_in_bits & 0x1f,
                                   skip_emul_byte_cnt,
                                   0,
                                   0,
                                   !param->has_emulation_bytes,
                                   0,
                                   batch);
    }

    if (slice_header_index == -1) {
        VAEncSequenceParameterBufferH264 *seq_param = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
        VAEncPictureParameterBufferH264 *pic_param = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
        VAEncSliceParameterBufferH264 *slice_params = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[slice_index]->buffer;
        unsigned char *slice_header = NULL;
        int slice_header_length_in_bits = 0;

        /* No slice header data is passed. And the driver needs to generate it */
        /* For the Normal H264 */
        slice_header_length_in_bits = build_avc_slice_header(seq_param,
                                                             pic_param,
                                                             slice_params,
                                                             &slice_header);
        gen9_mfc_avc_insert_object(ctx,
                                   encoder_context,
                                   (unsigned int *)slice_header,
                                   ALIGN(slice_header_length_in_bits, 32) >> 5,
                                   slice_header_length_in_bits & 0x1f,
                                   5,  /* first 5 bytes are start code + nal unit type */
                                   1, 0, 1,
                                   1,
                                   batch);

        free(slice_header);
    } else {
        unsigned int skip_emul_byte_cnt;

        header_data = (unsigned int *)encode_state->packed_header_data_ext[slice_header_index]->buffer;

        param = (VAEncPackedHeaderParameterBuffer *)(encode_state->packed_header_params_ext[slice_header_index]->buffer);
        length_in_bits = param->bit_length;

        /* as the slice header is the last header data for one slice,
         * the last header flag is set to one.
         */
        skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits);

        gen9_mfc_avc_insert_object(ctx,
                                   encoder_context,
                                   header_data,
                                   ALIGN(length_in_bits, 32) >> 5,
                                   length_in_bits & 0x1f,
                                   skip_emul_byte_cnt,
                                   1,
                                   0,
                                   !param->has_emulation_bytes,
                                   1,
                                   batch);
    }

    return;
}

static void
gen9_mfc_avc_inset_headers(VADriverContextP ctx,
                           struct encode_state *encode_state,
                           struct intel_encoder_context *encoder_context,
                           VAEncSliceParameterBufferH264 *slice_param,
                           int slice_index,
                           struct intel_batchbuffer *batch)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    int idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_SPS);
    unsigned int internal_rate_mode = generic_state->internal_rate_mode;
    unsigned int skip_emul_byte_cnt;

    if (slice_index == 0) {

        /* if AUD exist and insert it firstly */
        gen9_mfc_avc_insert_aud_packed_data(ctx, encode_state, encoder_context, batch);

        if (encode_state->packed_header_data[idx]) {
            VAEncPackedHeaderParameterBuffer *param = NULL;
            unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer;
            unsigned int length_in_bits;

            assert(encode_state->packed_header_param[idx]);
            param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer;
            length_in_bits = param->bit_length;

            skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits);
            gen9_mfc_avc_insert_object(ctx,
                                       encoder_context,
                                       header_data,
                                       ALIGN(length_in_bits, 32) >> 5,
                                       length_in_bits & 0x1f,
                                       skip_emul_byte_cnt,
                                       0,
                                       0,
                                       !param->has_emulation_bytes,
                                       0,
                                       batch);
        }

        idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_PPS);

        if (encode_state->packed_header_data[idx]) {
            VAEncPackedHeaderParameterBuffer *param = NULL;
            unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer;
            unsigned int length_in_bits;

            assert(encode_state->packed_header_param[idx]);
            param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer;
            length_in_bits = param->bit_length;

            skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits);

            gen9_mfc_avc_insert_object(ctx,
                                       encoder_context,
                                       header_data,
                                       ALIGN(length_in_bits, 32) >> 5,
                                       length_in_bits & 0x1f,
                                       skip_emul_byte_cnt,
                                       0,
                                       0,
                                       !param->has_emulation_bytes,
                                       0,
                                       batch);
        }

        idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_SEI);

        if (encode_state->packed_header_data[idx]) {
            VAEncPackedHeaderParameterBuffer *param = NULL;
            unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer;
            unsigned int length_in_bits;

            assert(encode_state->packed_header_param[idx]);
            param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer;
            length_in_bits = param->bit_length;

            skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits);
            gen9_mfc_avc_insert_object(ctx,
                                       encoder_context,
                                       header_data,
                                       ALIGN(length_in_bits, 32) >> 5,
                                       length_in_bits & 0x1f,
                                       skip_emul_byte_cnt,
                                       0,
                                       0,
                                       !param->has_emulation_bytes,
                                       0,
                                       batch);
        } else if (internal_rate_mode == VA_RC_CBR) {
            /* insert others */
        }
    }

    gen9_mfc_avc_insert_slice_packed_data(ctx,
                                          encode_state,
                                          encoder_context,
                                          slice_index,
                                          batch);
}

static void
gen9_mfc_avc_slice_state(VADriverContextP ctx,
                         struct encode_state *encode_state,
                         struct intel_encoder_context *encoder_context,
                         VAEncPictureParameterBufferH264 *pic_param,
                         VAEncSliceParameterBufferH264 *slice_param,
                         VAEncSliceParameterBufferH264 *next_slice_param,
                         struct intel_batchbuffer *batch)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)pak_context->generic_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;
    unsigned int luma_log2_weight_denom = slice_param->luma_log2_weight_denom;
    unsigned int chroma_log2_weight_denom = slice_param->chroma_log2_weight_denom;
    unsigned char correct[6], grow, shrink;
    int slice_hor_pos, slice_ver_pos, next_slice_hor_pos, next_slice_ver_pos;
    int max_qp_n, max_qp_p;
    int i;
    int weighted_pred_idc = 0;
    int num_ref_l0 = 0, num_ref_l1 = 0;
    int slice_type = intel_avc_enc_slice_type_fixup(slice_param->slice_type);
    int slice_qp = pic_param->pic_init_qp + slice_param->slice_qp_delta;
    unsigned int rc_panic_enable = 0;
    unsigned int rate_control_counter_enable = 0;
    unsigned int rounding_value = 0;
    unsigned int rounding_inter_enable = 0;

    slice_hor_pos = slice_param->macroblock_address % generic_state->frame_width_in_mbs;
    slice_ver_pos = slice_param->macroblock_address / generic_state->frame_width_in_mbs;

    if (next_slice_param) {
        next_slice_hor_pos = next_slice_param->macroblock_address % generic_state->frame_width_in_mbs;
        next_slice_ver_pos = next_slice_param->macroblock_address / generic_state->frame_width_in_mbs;
    } else {
        next_slice_hor_pos = 0;
        next_slice_ver_pos = generic_state->frame_height_in_mbs;
    }

    if (slice_type == SLICE_TYPE_I) {
        luma_log2_weight_denom = 0;
        chroma_log2_weight_denom = 0;
    } else if (slice_type == SLICE_TYPE_P) {
        weighted_pred_idc = pic_param->pic_fields.bits.weighted_pred_flag;
        num_ref_l0 = pic_param->num_ref_idx_l0_active_minus1 + 1;
        rounding_inter_enable = avc_state->rounding_inter_enable;
        rounding_value = avc_state->rounding_value;

        if (slice_param->num_ref_idx_active_override_flag)
            num_ref_l0 = slice_param->num_ref_idx_l0_active_minus1 + 1;
    } else if (slice_type == SLICE_TYPE_B) {
        weighted_pred_idc = pic_param->pic_fields.bits.weighted_bipred_idc;
        num_ref_l0 = pic_param->num_ref_idx_l0_active_minus1 + 1;
        num_ref_l1 = pic_param->num_ref_idx_l1_active_minus1 + 1;
        rounding_inter_enable = avc_state->rounding_inter_enable;
        rounding_value = avc_state->rounding_value;

        if (slice_param->num_ref_idx_active_override_flag) {
            num_ref_l0 = slice_param->num_ref_idx_l0_active_minus1 + 1;
            num_ref_l1 = slice_param->num_ref_idx_l1_active_minus1 + 1;
        }

        if (weighted_pred_idc == 2) {
            /* 8.4.3 - Derivation process for prediction weights (8-279) */
            luma_log2_weight_denom = 5;
            chroma_log2_weight_denom = 5;
        }
    }

    max_qp_n = 0;
    max_qp_p = 0;
    grow = 0;
    shrink = 0;

    rate_control_counter_enable = (generic_state->brc_enabled && (generic_state->curr_pak_pass != 0));
    rc_panic_enable = (avc_state->rc_panic_enable &&
                       (!avc_state->min_max_qp_enable) &&
                       (encoder_context->rate_control_mode != VA_RC_CQP) &&
                       (generic_state->curr_pak_pass == (generic_state->num_pak_passes - 1)));

    for (i = 0; i < 6; i++)
        correct[i] = 0;

    BEGIN_BCS_BATCH(batch, 11);

    OUT_BCS_BATCH(batch, MFX_AVC_SLICE_STATE | (11 - 2));
    OUT_BCS_BATCH(batch, slice_type);
    OUT_BCS_BATCH(batch,
                  (num_ref_l1 << 24) |
                  (num_ref_l0 << 16) |
                  (chroma_log2_weight_denom << 8) |
                  (luma_log2_weight_denom << 0));
    OUT_BCS_BATCH(batch,
                  (weighted_pred_idc << 30) |
                  (((slice_type == SLICE_TYPE_B) ? slice_param->direct_spatial_mv_pred_flag : 0) << 29) |
                  (slice_param->disable_deblocking_filter_idc << 27) |
                  (slice_param->cabac_init_idc << 24) |
                  (slice_qp << 16) |
                  ((slice_param->slice_beta_offset_div2 & 0xf) << 8) |
                  ((slice_param->slice_alpha_c0_offset_div2 & 0xf) << 0));

    OUT_BCS_BATCH(batch,
                  slice_ver_pos << 24 |
                  slice_hor_pos << 16 |
                  slice_param->macroblock_address);
    OUT_BCS_BATCH(batch,
                  next_slice_ver_pos << 16 |
                  next_slice_hor_pos);

    OUT_BCS_BATCH(batch,
                  (rate_control_counter_enable << 31) |
                  (1 << 30) |           /* ResetRateControlCounter */
                  (2 << 28) |           /* Loose Rate Control */
                  (0 << 24) |           /* RC Stable Tolerance */
                  (rc_panic_enable << 23) |           /* RC Panic Enable */
                  (1 << 22) |           /* CBP mode */
                  (0 << 21) |           /* MB Type Direct Conversion, 0: Enable, 1: Disable */
                  (0 << 20) |           /* MB Type Skip Conversion, 0: Enable, 1: Disable */
                  (!next_slice_param << 19) |                   /* Is Last Slice */
                  (0 << 18) |           /* BitstreamOutputFlag Compressed BitStream Output Disable Flag 0:enable 1:disable */
                  (1 << 17) |           /* HeaderPresentFlag */
                  (1 << 16) |           /* SliceData PresentFlag */
                  (0 << 15) |           /* TailPresentFlag  */
                  (1 << 13) |           /* RBSP NAL TYPE */
                  (1 << 12));           /* CabacZeroWordInsertionEnable */

    OUT_BCS_BATCH(batch, generic_ctx->compressed_bitstream.start_offset);

    OUT_BCS_BATCH(batch,
                  (max_qp_n << 24) |     /*Target QP - 24 is lowest QP*/
                  (max_qp_p << 16) |     /*Target QP + 20 is highest QP*/
                  (shrink << 8) |
                  (grow << 0));
    OUT_BCS_BATCH(batch,
                  (rounding_inter_enable << 31) |
                  (rounding_value << 28) |
                  (1 << 27) |
                  (5 << 24) |
                  (correct[5] << 20) |
                  (correct[4] << 16) |
                  (correct[3] << 12) |
                  (correct[2] << 8) |
                  (correct[1] << 4) |
                  (correct[0] << 0));
    OUT_BCS_BATCH(batch, 0);

    ADVANCE_BCS_BATCH(batch);
}

static uint8_t
gen9_mfc_avc_get_ref_idx_state(VAPictureH264 *va_pic, unsigned int frame_store_id)
{
    unsigned int is_long_term =
        !!(va_pic->flags & VA_PICTURE_H264_LONG_TERM_REFERENCE);
    unsigned int is_top_field =
        !!(va_pic->flags & VA_PICTURE_H264_TOP_FIELD);
    unsigned int is_bottom_field =
        !!(va_pic->flags & VA_PICTURE_H264_BOTTOM_FIELD);

    return ((is_long_term                         << 6) |
            (0 << 5) |
            (frame_store_id                       << 1) |
            ((is_top_field ^ 1) & is_bottom_field));
}

static void
gen9_mfc_avc_ref_idx_state(VADriverContextP ctx,
                           struct encode_state *encode_state,
                           struct intel_encoder_context *encoder_context,
                           VAEncSliceParameterBufferH264 *slice_param,
                           struct intel_batchbuffer *batch)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;
    VAPictureH264 *ref_pic;
    int i, slice_type, ref_idx_shift;
    unsigned int fwd_ref_entry;
    unsigned int bwd_ref_entry;

    /* max 4 ref frames are allowed for l0 and l1 */
    fwd_ref_entry = 0x80808080;
    slice_type = intel_avc_enc_slice_type_fixup(slice_param->slice_type);

    if ((slice_type == SLICE_TYPE_P) ||
        (slice_type == SLICE_TYPE_B)) {
        for (i = 0; i < MIN(avc_state->num_refs[0], 4); i++) {
            ref_pic = &slice_param->RefPicList0[i];
            ref_idx_shift = i * 8;

            fwd_ref_entry &= ~(0xFF << ref_idx_shift);
            fwd_ref_entry += (gen9_mfc_avc_get_ref_idx_state(ref_pic, avc_state->list_ref_idx[0][i]) << ref_idx_shift);
        }
    }

    bwd_ref_entry = 0x80808080;
    if (slice_type == SLICE_TYPE_B) {
        for (i = 0; i < MIN(avc_state->num_refs[1], 4); i++) {
            ref_pic = &slice_param->RefPicList1[i];
            ref_idx_shift = i * 8;

            bwd_ref_entry &= ~(0xFF << ref_idx_shift);
            bwd_ref_entry += (gen9_mfc_avc_get_ref_idx_state(ref_pic, avc_state->list_ref_idx[1][i]) << ref_idx_shift);
        }
    }

    if ((slice_type == SLICE_TYPE_P) ||
        (slice_type == SLICE_TYPE_B)) {
        BEGIN_BCS_BATCH(batch, 10);
        OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8);
        OUT_BCS_BATCH(batch, 0);                        // L0
        OUT_BCS_BATCH(batch, fwd_ref_entry);

        for (i = 0; i < 7; i++) {
            OUT_BCS_BATCH(batch, 0x80808080);
        }

        ADVANCE_BCS_BATCH(batch);
    }

    if (slice_type == SLICE_TYPE_B) {
        BEGIN_BCS_BATCH(batch, 10);
        OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8);
        OUT_BCS_BATCH(batch, 1);                  //Select L1
        OUT_BCS_BATCH(batch, bwd_ref_entry);      //max 4 reference allowed
        for (i = 0; i < 7; i++) {
            OUT_BCS_BATCH(batch, 0x80808080);
        }
        ADVANCE_BCS_BATCH(batch);
    }
}

static void
gen9_mfc_avc_weightoffset_state(VADriverContextP ctx,
                                struct encode_state *encode_state,
                                struct intel_encoder_context *encoder_context,
                                VAEncPictureParameterBufferH264 *pic_param,
                                VAEncSliceParameterBufferH264 *slice_param,
                                struct intel_batchbuffer *batch)
{
    int i, slice_type;
    short weightoffsets[32 * 6];

    slice_type = intel_avc_enc_slice_type_fixup(slice_param->slice_type);

    if (slice_type == SLICE_TYPE_P &&
        pic_param->pic_fields.bits.weighted_pred_flag == 1) {
        memset(weightoffsets, 0, 32 * 6 * sizeof(short));
        for (i = 0; i < 32; i++) {
            weightoffsets[i * 6 + 0] = slice_param->luma_weight_l0[i];
            weightoffsets[i * 6 + 1] = slice_param->luma_offset_l0[i];
            weightoffsets[i * 6 + 2] = slice_param->chroma_weight_l0[i][0];
            weightoffsets[i * 6 + 3] = slice_param->chroma_offset_l0[i][0];
            weightoffsets[i * 6 + 4] = slice_param->chroma_weight_l0[i][1];
            weightoffsets[i * 6 + 5] = slice_param->chroma_offset_l0[i][1];
        }

        BEGIN_BCS_BATCH(batch, 98);
        OUT_BCS_BATCH(batch, MFX_AVC_WEIGHTOFFSET_STATE | (98 - 2));
        OUT_BCS_BATCH(batch, 0);
        intel_batchbuffer_data(batch, weightoffsets, sizeof(weightoffsets));

        ADVANCE_BCS_BATCH(batch);
    }

    if (slice_type == SLICE_TYPE_B &&
        (pic_param->pic_fields.bits.weighted_bipred_idc == 1)) {
        memset(weightoffsets, 0, 32 * 6 * sizeof(short));
        for (i = 0; i < 32; i++) {
            weightoffsets[i * 6 + 0] = slice_param->luma_weight_l0[i];
            weightoffsets[i * 6 + 1] = slice_param->luma_offset_l0[i];
            weightoffsets[i * 6 + 2] = slice_param->chroma_weight_l0[i][0];
            weightoffsets[i * 6 + 3] = slice_param->chroma_offset_l0[i][0];
            weightoffsets[i * 6 + 4] = slice_param->chroma_weight_l0[i][1];
            weightoffsets[i * 6 + 5] = slice_param->chroma_offset_l0[i][1];
        }

        BEGIN_BCS_BATCH(batch, 98);
        OUT_BCS_BATCH(batch, MFX_AVC_WEIGHTOFFSET_STATE | (98 - 2));
        OUT_BCS_BATCH(batch, 0);
        intel_batchbuffer_data(batch, weightoffsets, sizeof(weightoffsets));
        ADVANCE_BCS_BATCH(batch);

        memset(weightoffsets, 0, 32 * 6 * sizeof(short));
        for (i = 0; i < 32; i++) {
            weightoffsets[i * 6 + 0] = slice_param->luma_weight_l1[i];
            weightoffsets[i * 6 + 1] = slice_param->luma_offset_l1[i];
            weightoffsets[i * 6 + 2] = slice_param->chroma_weight_l1[i][0];
            weightoffsets[i * 6 + 3] = slice_param->chroma_offset_l1[i][0];
            weightoffsets[i * 6 + 4] = slice_param->chroma_weight_l1[i][1];
            weightoffsets[i * 6 + 5] = slice_param->chroma_offset_l1[i][1];
        }

        BEGIN_BCS_BATCH(batch, 98);
        OUT_BCS_BATCH(batch, MFX_AVC_WEIGHTOFFSET_STATE | (98 - 2));
        OUT_BCS_BATCH(batch, 1);
        intel_batchbuffer_data(batch, weightoffsets, sizeof(weightoffsets));
        ADVANCE_BCS_BATCH(batch);
    }
}

static void
gen9_mfc_avc_single_slice(VADriverContextP ctx,
                          struct encode_state *encode_state,
                          struct intel_encoder_context *encoder_context,
                          VAEncSliceParameterBufferH264 *slice_param,
                          VAEncSliceParameterBufferH264 *next_slice_param,
                          int slice_index)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    struct intel_batchbuffer *slice_batch = avc_ctx->pres_slice_batch_buffer_2nd_level;
    VAEncPictureParameterBufferH264 *pic_param = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
    struct gpe_mi_batch_buffer_start_parameter second_level_batch;
    struct object_surface *obj_surface;
    struct gen9_surface_avc *avc_priv_surface;

    unsigned int slice_offset = 0;

    if (generic_state->curr_pak_pass == 0) {
        slice_offset = intel_batchbuffer_used_size(slice_batch);
        avc_state->slice_batch_offset[slice_index] = slice_offset;
        gen9_mfc_avc_ref_idx_state(ctx, encode_state, encoder_context, slice_param, slice_batch);
        gen9_mfc_avc_weightoffset_state(ctx,
                                        encode_state,
                                        encoder_context,
                                        pic_param,
                                        slice_param,
                                        slice_batch);
        gen9_mfc_avc_slice_state(ctx,
                                 encode_state,
                                 encoder_context,
                                 pic_param,
                                 slice_param,
                                 next_slice_param,
                                 slice_batch);
        gen9_mfc_avc_inset_headers(ctx,
                                   encode_state,
                                   encoder_context,
                                   slice_param,
                                   slice_index,
                                   slice_batch);

        BEGIN_BCS_BATCH(slice_batch, 2);
        OUT_BCS_BATCH(slice_batch, 0);
        OUT_BCS_BATCH(slice_batch, MI_BATCH_BUFFER_END);
        ADVANCE_BCS_BATCH(slice_batch);

    } else {
        slice_offset = avc_state->slice_batch_offset[slice_index];
    }
    /* insert slice as second level.*/
    memset(&second_level_batch, 0, sizeof(second_level_batch));
    second_level_batch.is_second_level = 1; /* Must be the second level batch buffer */
    second_level_batch.offset = slice_offset;
    second_level_batch.bo = slice_batch->buffer;
    gpe->mi_batch_buffer_start(ctx, batch, &second_level_batch);

    /* insert mb code as second level.*/
    obj_surface = encode_state->reconstructed_object;
    assert(obj_surface->private_data);
    avc_priv_surface = (struct gen9_surface_avc *)obj_surface->private_data;

    memset(&second_level_batch, 0, sizeof(second_level_batch));
    second_level_batch.is_second_level = 1; /* Must be the second level batch buffer */
    second_level_batch.offset = slice_param->macroblock_address * 16 * 4;
    second_level_batch.bo = avc_priv_surface->res_mb_code_surface.bo;
    gpe->mi_batch_buffer_start(ctx, batch, &second_level_batch);

}

static void
gen9_avc_pak_slice_level(VADriverContextP ctx,
                         struct encode_state *encode_state,
                         struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    struct gpe_mi_flush_dw_parameter mi_flush_dw_params;
    VAEncSliceParameterBufferH264 *slice_param, *next_slice_param, *next_slice_group_param;
    int i, j;
    int slice_index = 0;
    int is_frame_level = (avc_state->slice_num > 1) ? 0 : 1;   /* check it for SKL,now single slice per frame */
    int has_tail = 0;             /* check it later */

    for (j = 0; j < encode_state->num_slice_params_ext; j++) {
        slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[j]->buffer;

        if (j == encode_state->num_slice_params_ext - 1)
            next_slice_group_param = NULL;
        else
            next_slice_group_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[j + 1]->buffer;

        for (i = 0; i < encode_state->slice_params_ext[j]->num_elements; i++) {
            if (i < encode_state->slice_params_ext[j]->num_elements - 1)
                next_slice_param = slice_param + 1;
            else
                next_slice_param = next_slice_group_param;

            gen9_mfc_avc_single_slice(ctx,
                                      encode_state,
                                      encoder_context,
                                      slice_param,
                                      next_slice_param,
                                      slice_index);
            slice_param++;
            slice_index++;

            if (is_frame_level)
                break;
        }

        if (is_frame_level)
            break;
    }

    if (has_tail) {
        /* insert a tail if required */
    }

    memset(&mi_flush_dw_params, 0, sizeof(mi_flush_dw_params));
    mi_flush_dw_params.video_pipeline_cache_invalidate = 1;
    gpe->mi_flush_dw(ctx, batch, &mi_flush_dw_params);
}
static void
gen9_avc_pak_picture_level(VADriverContextP ctx,
                           struct encode_state *encode_state,
                           struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)pak_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    struct gpe_mi_batch_buffer_start_parameter second_level_batch;
    struct intel_batchbuffer *batch = encoder_context->base.batch;

    if (generic_state->brc_enabled &&
        generic_state->curr_pak_pass) {
        struct gpe_mi_conditional_batch_buffer_end_parameter mi_conditional_batch_buffer_end_params;
        struct encoder_status_buffer_internal *status_buffer;
        status_buffer = &(avc_ctx->status_buffer);

        memset(&mi_conditional_batch_buffer_end_params, 0, sizeof(mi_conditional_batch_buffer_end_params));
        mi_conditional_batch_buffer_end_params.offset = status_buffer->image_status_mask_offset;
        mi_conditional_batch_buffer_end_params.bo = status_buffer->bo;
        mi_conditional_batch_buffer_end_params.compare_data = 0;
        mi_conditional_batch_buffer_end_params.compare_mask_mode_disabled = 0;
        gpe->mi_conditional_batch_buffer_end(ctx, batch, &mi_conditional_batch_buffer_end_params);
    }

    gen9_mfc_avc_pipe_mode_select(ctx, encode_state, encoder_context);
    gen9_mfc_avc_surface_state(ctx, encoder_context, &(generic_ctx->res_reconstructed_surface), 0);
    gen9_mfc_avc_surface_state(ctx, encoder_context, &(generic_ctx->res_uncompressed_input_surface), 4);
    gen9_mfc_avc_pipe_buf_addr_state(ctx, encoder_context);
    gen9_mfc_avc_ind_obj_base_addr_state(ctx, encode_state, encoder_context);
    gen9_mfc_avc_bsp_buf_base_addr_state(ctx, encoder_context);

    if (generic_state->brc_enabled) {
        memset(&second_level_batch, 0, sizeof(second_level_batch));
        if (generic_state->curr_pak_pass == 0) {
            second_level_batch.offset = 0;
        } else {
            second_level_batch.offset = generic_state->curr_pak_pass * INTEL_AVC_IMAGE_STATE_CMD_SIZE;
        }
        second_level_batch.is_second_level = 1;
        second_level_batch.bo = avc_ctx->res_brc_image_state_write_buffer.bo;
        gpe->mi_batch_buffer_start(ctx, batch, &second_level_batch);
    } else {
        /*generate a new image state */
        gen9_avc_set_image_state_non_brc(ctx, encode_state, encoder_context, &(avc_ctx->res_image_state_batch_buffer_2nd_level));
        memset(&second_level_batch, 0, sizeof(second_level_batch));
        second_level_batch.offset = 0;
        second_level_batch.is_second_level = 1;
        second_level_batch.bo = avc_ctx->res_image_state_batch_buffer_2nd_level.bo;
        gpe->mi_batch_buffer_start(ctx, batch, &second_level_batch);
    }

    gen9_mfc_avc_qm_state(ctx, encode_state, encoder_context);
    gen9_mfc_avc_fqm_state(ctx, encode_state, encoder_context);
    gen9_mfc_avc_directmode_state(ctx, encoder_context);

}

static void
gen9_avc_read_mfc_status(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
{
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct intel_batchbuffer *batch = encoder_context->base.batch;
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;

    struct gpe_mi_store_register_mem_parameter mi_store_reg_mem_param;
    struct gpe_mi_store_data_imm_parameter mi_store_data_imm_param;
    struct gpe_mi_flush_dw_parameter mi_flush_dw_param;
    struct encoder_status_buffer_internal *status_buffer;

    status_buffer = &(avc_ctx->status_buffer);

    memset(&mi_flush_dw_param, 0, sizeof(mi_flush_dw_param));
    gpe->mi_flush_dw(ctx, batch, &mi_flush_dw_param);

    /* read register and store into status_buffer and pak_statitistic info */
    memset(&mi_store_reg_mem_param, 0, sizeof(mi_store_reg_mem_param));
    mi_store_reg_mem_param.bo = status_buffer->bo;
    mi_store_reg_mem_param.offset = status_buffer->bs_byte_count_frame_offset;
    mi_store_reg_mem_param.mmio_offset = status_buffer->bs_byte_count_frame_reg_offset;
    gpe->mi_store_register_mem(ctx, batch, &mi_store_reg_mem_param);

    mi_store_reg_mem_param.bo = status_buffer->bo;
    mi_store_reg_mem_param.offset = status_buffer->image_status_mask_offset;
    mi_store_reg_mem_param.mmio_offset = status_buffer->image_status_mask_reg_offset;
    gpe->mi_store_register_mem(ctx, batch, &mi_store_reg_mem_param);

    /*update the status in the pak_statistic_surface */
    mi_store_reg_mem_param.bo = avc_ctx->res_brc_pre_pak_statistics_output_buffer.bo;
    mi_store_reg_mem_param.offset = 0;
    mi_store_reg_mem_param.mmio_offset = status_buffer->bs_byte_count_frame_reg_offset;
    gpe->mi_store_register_mem(ctx, batch, &mi_store_reg_mem_param);

    mi_store_reg_mem_param.bo = avc_ctx->res_brc_pre_pak_statistics_output_buffer.bo;
    mi_store_reg_mem_param.offset = 4;
    mi_store_reg_mem_param.mmio_offset = status_buffer->bs_byte_count_frame_nh_reg_offset;
    gpe->mi_store_register_mem(ctx, batch, &mi_store_reg_mem_param);

    memset(&mi_store_data_imm_param, 0, sizeof(mi_store_data_imm_param));
    mi_store_data_imm_param.bo = avc_ctx->res_brc_pre_pak_statistics_output_buffer.bo;
    mi_store_data_imm_param.offset = sizeof(unsigned int) * 2;
    mi_store_data_imm_param.dw0 = (generic_state->curr_pak_pass + 1);
    gpe->mi_store_data_imm(ctx, batch, &mi_store_data_imm_param);

    mi_store_reg_mem_param.bo = avc_ctx->res_brc_pre_pak_statistics_output_buffer.bo;
    mi_store_reg_mem_param.offset = sizeof(unsigned int) * (4 + generic_state->curr_pak_pass) ;
    mi_store_reg_mem_param.mmio_offset = status_buffer->image_status_ctrl_reg_offset;
    gpe->mi_store_register_mem(ctx, batch, &mi_store_reg_mem_param);

    memset(&mi_flush_dw_param, 0, sizeof(mi_flush_dw_param));
    gpe->mi_flush_dw(ctx, batch, &mi_flush_dw_param);

    return;
}

static void
gen9_avc_pak_brc_prepare(struct encode_state *encode_state,
                         struct intel_encoder_context *encoder_context)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    unsigned int rate_control_mode = encoder_context->rate_control_mode;

    switch (rate_control_mode & 0x7f) {
    case VA_RC_CBR:
        generic_state->internal_rate_mode = VA_RC_CBR;
        break;

    case VA_RC_VBR:
        generic_state->internal_rate_mode = VA_RC_VBR;//AVBR
        break;

    case VA_RC_CQP:
    default:
        generic_state->internal_rate_mode = VA_RC_CQP;
        break;
    }

    if (encoder_context->quality_level == 0)
        encoder_context->quality_level = ENCODER_DEFAULT_QUALITY_AVC;
}

/* allcate resources for pak only (fei mode) */
static VAStatus
gen9_avc_fei_pak_pipeline_prepare(VADriverContextP ctx,
                                  VAProfile profile,
                                  struct encode_state *encode_state,
                                  struct intel_encoder_context *encoder_context)
{
    VAStatus va_status;
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)pak_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;
    struct gen9_surface_avc *avc_priv_surface;
    VAEncPictureParameterBufferH264  *pic_param;
    VAEncSliceParameterBufferH264 *slice_param;
    VAEncMiscParameterFEIFrameControlH264 *fei_param = NULL;
    unsigned int size = 0, i, j;
    unsigned int frame_mb_nums;
    struct object_buffer *obj_buffer = NULL;
    struct buffer_store *buffer_store = NULL;
    struct object_surface *obj_surface = NULL;
    struct avc_surface_param surface_param;
    struct i965_coded_buffer_segment *coded_buffer_segment;
    dri_bo *bo;
    unsigned char * pdata;

    gen9_avc_update_parameters(ctx, profile, encode_state, encoder_context);

    pic_param = avc_state->pic_param;
    slice_param = avc_state->slice_param[0];

    va_status = gen9_avc_encode_check_parameter(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    va_status = gen9_avc_allocate_pak_resources(ctx, encode_state, encoder_context);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    /* Encoded bitstream ?*/
    obj_buffer = encode_state->coded_buf_object;
    bo = obj_buffer->buffer_store->bo;
    i965_free_gpe_resource(&generic_ctx->compressed_bitstream.res);
    i965_dri_object_to_buffer_gpe_resource(&generic_ctx->compressed_bitstream.res, bo);
    generic_ctx->compressed_bitstream.start_offset = I965_CODEDBUFFER_HEADER_SIZE;
    generic_ctx->compressed_bitstream.end_offset =
        ALIGN(obj_buffer->size_element - 0x1000, 0x1000);

    /*status buffer */
    dri_bo_unreference(avc_ctx->status_buffer.bo);
    avc_ctx->status_buffer.bo = bo;
    dri_bo_reference(bo);

    /* set the internal flag to 0 to indicate the coded size is unknown */
    dri_bo_map(bo, 1);
    coded_buffer_segment = (struct i965_coded_buffer_segment *)bo->virtual;
    coded_buffer_segment->mapped = 0;
    coded_buffer_segment->codec = encoder_context->codec;
    coded_buffer_segment->status_support = 1;

    pdata = bo->virtual + avc_ctx->status_buffer.base_offset;
    memset(pdata, 0, avc_ctx->status_buffer.status_buffer_size);
    dri_bo_unmap(bo);
    //frame id, it is the ref pic id in the reference_objects list.
    avc_state->num_refs[0] = 0;
    avc_state->num_refs[1] = 0;
    if (generic_state->frame_type == SLICE_TYPE_P) {
        avc_state->num_refs[0] = pic_param->num_ref_idx_l0_active_minus1 + 1;

        if (slice_param->num_ref_idx_active_override_flag)
            avc_state->num_refs[0] = slice_param->num_ref_idx_l0_active_minus1 + 1;
    } else if (generic_state->frame_type == SLICE_TYPE_B) {
        avc_state->num_refs[0] = pic_param->num_ref_idx_l0_active_minus1 + 1;
        avc_state->num_refs[1] = pic_param->num_ref_idx_l1_active_minus1 + 1;

        if (slice_param->num_ref_idx_active_override_flag) {
            avc_state->num_refs[0] = slice_param->num_ref_idx_l0_active_minus1 + 1;
            avc_state->num_refs[1] = slice_param->num_ref_idx_l1_active_minus1 + 1;
        }
    }
    for (i = 0; i < ARRAY_ELEMS(avc_state->list_ref_idx[0]); i++) {
        VAPictureH264 *va_pic;

        assert(ARRAY_ELEMS(slice_param->RefPicList0) == ARRAY_ELEMS(avc_state->list_ref_idx[0]));
        avc_state->list_ref_idx[0][i] = 0;

        if (i >= avc_state->num_refs[0])
            continue;

        va_pic = &slice_param->RefPicList0[i];

        for (j = 0; j < ARRAY_ELEMS(encode_state->reference_objects); j++) {
            obj_surface = encode_state->reference_objects[j];

            if (obj_surface &&
                obj_surface->bo &&
                obj_surface->base.id == va_pic->picture_id) {

                assert(obj_surface->base.id != VA_INVALID_SURFACE);
                avc_state->list_ref_idx[0][i] = j;

                break;
            }
        }
    }
    for (i = 0; i < ARRAY_ELEMS(avc_state->list_ref_idx[1]); i++) {
        VAPictureH264 *va_pic;

        assert(ARRAY_ELEMS(slice_param->RefPicList1) == ARRAY_ELEMS(avc_state->list_ref_idx[1]));
        avc_state->list_ref_idx[1][i] = 0;

        if (i >= avc_state->num_refs[1])
            continue;

        va_pic = &slice_param->RefPicList1[i];

        for (j = 0; j < ARRAY_ELEMS(encode_state->reference_objects); j++) {
            obj_surface = encode_state->reference_objects[j];


            if (obj_surface &&
                obj_surface->bo &&
                obj_surface->base.id == va_pic->picture_id) {

                assert(obj_surface->base.id != VA_INVALID_SURFACE);
                avc_state->list_ref_idx[1][i] = j;

                break;
                break;
            }
        }
    }

    obj_surface = encode_state->reconstructed_object;
    fei_param = avc_state->fei_framectl_param;
    frame_mb_nums = generic_state->frame_width_in_mbs * generic_state->frame_height_in_mbs;

    /* Setup current reconstruct frame */
    obj_surface = encode_state->reconstructed_object;
    va_status = i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420);

    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    memset(&surface_param, 0, sizeof(surface_param));
    surface_param.frame_width = generic_state->frame_width_in_pixel;
    surface_param.frame_height = generic_state->frame_height_in_pixel;
    va_status = gen9_avc_init_check_surfaces(ctx,
                                             obj_surface, encoder_context,
                                             &surface_param);
    avc_priv_surface = obj_surface->private_data;

    /* res_mb_code_surface for MB code */
    /* PAK only mode must have the mb_code_surface from middleware,
     * so the code shouldn't reach here without an externally provided
     * MB Code buffer */
    assert(fei_param->mb_code_data != VA_INVALID_ID);
    size = frame_mb_nums * FEI_AVC_MB_CODE_BUFFER_SIZE;
    obj_buffer = BUFFER(fei_param->mb_code_data);
    assert(obj_buffer != NULL);
    buffer_store = obj_buffer->buffer_store;
    assert(size <= buffer_store->bo->size);
    if (avc_priv_surface->res_mb_code_surface.bo != NULL)
        i965_free_gpe_resource(&avc_priv_surface->res_mb_code_surface);
    i965_dri_object_to_buffer_gpe_resource(&avc_priv_surface->res_mb_code_surface,
                                           buffer_store->bo);
    /* res_mv_data_surface for MV data */
    size = frame_mb_nums * FEI_AVC_MV_DATA_BUFFER_SIZE;
    if (fei_param->mv_data != VA_INVALID_ID) {
        obj_buffer = BUFFER(fei_param->mv_data);
        assert(obj_buffer != NULL);
        buffer_store = obj_buffer->buffer_store;
        assert(size <= buffer_store->bo->size);
        if (avc_priv_surface->res_mv_data_surface.bo != NULL)
            i965_free_gpe_resource(&avc_priv_surface->res_mv_data_surface);
        i965_dri_object_to_buffer_gpe_resource(&avc_priv_surface->res_mv_data_surface,
                                               buffer_store->bo);
    }

    return VA_STATUS_SUCCESS;

}

static VAStatus
gen9_avc_pak_pipeline_prepare(VADriverContextP ctx,
                              VAProfile profile,
                              struct encode_state *encode_state,
                              struct intel_encoder_context *encoder_context)
{
    VAStatus va_status;
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct generic_encoder_context * generic_ctx = (struct generic_encoder_context *)pak_context->generic_enc_ctx;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)pak_context->generic_enc_state;
    struct avc_enc_state * avc_state = (struct avc_enc_state *)pak_context->private_enc_state;

    struct object_surface *obj_surface;
    VAEncPictureParameterBufferH264  *pic_param;
    VAEncSliceParameterBufferH264 *slice_param;

    struct gen9_surface_avc *avc_priv_surface;
    struct avc_surface_param surface_param;
    int i, j, enable_avc_ildb = 0;
    unsigned int allocate_flag = 1;
    unsigned int size, w_mb, h_mb;

    if (encoder_context->fei_function_mode == VA_FEI_FUNCTION_PAK) {
        va_status = gen9_avc_fei_pak_pipeline_prepare(ctx, profile, encode_state, encoder_context);
        if (va_status != VA_STATUS_SUCCESS)
            return va_status;
    }

    pic_param = avc_state->pic_param;
    slice_param = avc_state->slice_param[0];
    w_mb = generic_state->frame_width_in_mbs;
    h_mb = generic_state->frame_height_in_mbs;

    /* update the parameter and check slice parameter */
    for (j = 0; j < encode_state->num_slice_params_ext && enable_avc_ildb == 0; j++) {
        assert(encode_state->slice_params_ext && encode_state->slice_params_ext[j]->buffer);
        slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[j]->buffer;

        for (i = 0; i < encode_state->slice_params_ext[j]->num_elements; i++) {
            assert((slice_param->slice_type == SLICE_TYPE_I) ||
                   (slice_param->slice_type == SLICE_TYPE_SI) ||
                   (slice_param->slice_type == SLICE_TYPE_P) ||
                   (slice_param->slice_type == SLICE_TYPE_SP) ||
                   (slice_param->slice_type == SLICE_TYPE_B));

            if (slice_param->disable_deblocking_filter_idc != 1) {
                enable_avc_ildb = 1;
                break;
            }

            slice_param++;
        }
    }
    avc_state->enable_avc_ildb = enable_avc_ildb;

    /* setup the all surface and buffer for PAK */
    /* Setup current reconstruct frame */
    obj_surface = encode_state->reconstructed_object;
    va_status = i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420);

    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    memset(&surface_param, 0, sizeof(surface_param));
    surface_param.frame_width = generic_state->frame_width_in_pixel;
    surface_param.frame_height = generic_state->frame_height_in_pixel;
    va_status = gen9_avc_init_check_surfaces(ctx,
                                             obj_surface, encoder_context,
                                             &surface_param);
    if (va_status != VA_STATUS_SUCCESS)
        return va_status;
    /* init the member of avc_priv_surface,frame_store_id,qp_value */
    {
        avc_priv_surface = (struct gen9_surface_avc *)obj_surface->private_data;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 2] = 0;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 1] = 0;
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 2]);
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 1]);
        i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 2], avc_priv_surface->dmv_top);
        i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[NUM_MFC_AVC_DMV_BUFFERS - 1], avc_priv_surface->dmv_bottom);
        avc_priv_surface->qp_value = pic_param->pic_init_qp + slice_param->slice_qp_delta;
        avc_priv_surface->frame_store_id = 0;
        avc_priv_surface->frame_idx = pic_param->CurrPic.frame_idx;
        avc_priv_surface->top_field_order_cnt = pic_param->CurrPic.TopFieldOrderCnt;
        avc_priv_surface->is_as_ref = pic_param->pic_fields.bits.reference_pic_flag;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 2] = avc_priv_surface->top_field_order_cnt;
        avc_state->top_field_poc[NUM_MFC_AVC_DMV_BUFFERS - 1] = avc_priv_surface->top_field_order_cnt + 1;
    }
    i965_free_gpe_resource(&generic_ctx->res_reconstructed_surface);
    i965_free_gpe_resource(&avc_ctx->res_post_deblocking_output);
    i965_free_gpe_resource(&avc_ctx->res_pre_deblocking_output);
    i965_object_surface_to_2d_gpe_resource_with_align(&generic_ctx->res_reconstructed_surface, obj_surface, GPE_RESOURCE_ALIGNMENT);


    if (avc_state->enable_avc_ildb) {
        i965_object_surface_to_2d_gpe_resource_with_align(&avc_ctx->res_post_deblocking_output, obj_surface, GPE_RESOURCE_ALIGNMENT);
    } else {
        i965_object_surface_to_2d_gpe_resource_with_align(&avc_ctx->res_pre_deblocking_output, obj_surface, GPE_RESOURCE_ALIGNMENT);
    }
    /* input YUV surface */
    obj_surface = encode_state->input_yuv_object;
    va_status = i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420);

    if (va_status != VA_STATUS_SUCCESS)
        return va_status;
    i965_free_gpe_resource(&generic_ctx->res_uncompressed_input_surface);
    i965_object_surface_to_2d_gpe_resource_with_align(&generic_ctx->res_uncompressed_input_surface, obj_surface, GPE_RESOURCE_ALIGNMENT);

    /* Reference surfaces */
    for (i = 0; i < ARRAY_ELEMS(avc_ctx->list_reference_res); i++) {
        i965_free_gpe_resource(&avc_ctx->list_reference_res[i]);
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2]);
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2 + 1]);
        obj_surface = encode_state->reference_objects[i];
        avc_state->top_field_poc[2 * i] = 0;
        avc_state->top_field_poc[2 * i + 1] = 0;

        if (obj_surface && obj_surface->bo) {
            i965_object_surface_to_2d_gpe_resource_with_align(&avc_ctx->list_reference_res[i], obj_surface, GPE_RESOURCE_ALIGNMENT);

            /* actually it should be handled when it is reconstructed surface */
            va_status = gen9_avc_init_check_surfaces(ctx,
                                                     obj_surface, encoder_context,
                                                     &surface_param);
            if (va_status != VA_STATUS_SUCCESS)
                return va_status;
            avc_priv_surface = (struct gen9_surface_avc *)obj_surface->private_data;
            i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2], avc_priv_surface->dmv_top);
            i965_dri_object_to_buffer_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i * 2 + 1], avc_priv_surface->dmv_bottom);
            avc_priv_surface->frame_store_id = i;
            avc_state->top_field_poc[2 * i] = avc_priv_surface->top_field_order_cnt;
            avc_state->top_field_poc[2 * i + 1] = avc_priv_surface->top_field_order_cnt + 1;
        } else {
            break;
        }
    }

    if (avc_ctx->pres_slice_batch_buffer_2nd_level) {
        intel_batchbuffer_free(avc_ctx->pres_slice_batch_buffer_2nd_level);
        avc_ctx->pres_slice_batch_buffer_2nd_level = NULL;
    }

    avc_ctx->pres_slice_batch_buffer_2nd_level =
        intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD,
                              4096 *
                              encode_state->num_slice_params_ext);
    if (!avc_ctx->pres_slice_batch_buffer_2nd_level)
        return VA_STATUS_ERROR_ALLOCATION_FAILED;

    for (i = 0; i < MAX_AVC_SLICE_NUM; i++) {
        avc_state->slice_batch_offset[i] = 0;
    }


    size = w_mb * 64;
    i965_free_gpe_resource(&avc_ctx->res_intra_row_store_scratch_buffer);
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_intra_row_store_scratch_buffer,
                                               size,
                                               "PAK Intra row store scratch buffer");
    if (!allocate_flag)
        goto failed_allocation;

    size = w_mb * 4 * 64;
    i965_free_gpe_resource(&avc_ctx->res_deblocking_filter_row_store_scratch_buffer);
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_deblocking_filter_row_store_scratch_buffer,
                                               size,
                                               "PAK Deblocking filter row store scratch buffer");
    if (!allocate_flag)
        goto failed_allocation;

    size = w_mb * 2 * 64;
    i965_free_gpe_resource(&avc_ctx->res_bsd_mpc_row_store_scratch_buffer);
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_bsd_mpc_row_store_scratch_buffer,
                                               size,
                                               "PAK BSD/MPC row store scratch buffer");
    if (!allocate_flag)
        goto failed_allocation;

    size = w_mb * h_mb * 16;
    i965_free_gpe_resource(&avc_ctx->res_pak_mb_status_buffer);
    allocate_flag = i965_allocate_gpe_resource(i965->intel.bufmgr,
                                               &avc_ctx->res_pak_mb_status_buffer,
                                               size,
                                               "PAK MB status buffer");
    if (!allocate_flag)
        goto failed_allocation;

    return VA_STATUS_SUCCESS;

failed_allocation:
    return VA_STATUS_ERROR_ALLOCATION_FAILED;
}

static VAStatus
gen9_avc_encode_picture(VADriverContextP ctx,
                        VAProfile profile,
                        struct encode_state *encode_state,
                        struct intel_encoder_context *encoder_context)
{
    VAStatus va_status;
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct i965_gpe_table *gpe = &i965->gpe_table;
    struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
    struct i965_avc_encoder_context * avc_ctx = (struct i965_avc_encoder_context *)vme_context->private_enc_ctx;
    struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state *)vme_context->generic_enc_state;
    struct intel_batchbuffer *batch = encoder_context->base.batch;

    va_status = gen9_avc_pak_pipeline_prepare(ctx, profile, encode_state, encoder_context);

    if (va_status != VA_STATUS_SUCCESS)
        return va_status;

    if (i965->intel.has_bsd2)
        intel_batchbuffer_start_atomic_bcs_override(batch, 0x1000, BSD_RING0);
    else
        intel_batchbuffer_start_atomic_bcs(batch, 0x1000);
    intel_batchbuffer_emit_mi_flush(batch);
    for (generic_state->curr_pak_pass = 0;
         generic_state->curr_pak_pass < generic_state->num_pak_passes;
         generic_state->curr_pak_pass++) {

        if (generic_state->curr_pak_pass == 0) {
            /* Initialize the avc Image Ctrl reg for the first pass,write 0 to staturs/control register, is it needed in AVC? */
            struct gpe_mi_load_register_imm_parameter mi_load_reg_imm;
            struct encoder_status_buffer_internal *status_buffer;

            status_buffer = &(avc_ctx->status_buffer);
            memset(&mi_load_reg_imm, 0, sizeof(mi_load_reg_imm));
            mi_load_reg_imm.mmio_offset = status_buffer->image_status_ctrl_reg_offset;
            mi_load_reg_imm.data = 0;
            gpe->mi_load_register_imm(ctx, batch, &mi_load_reg_imm);
        }
        gen9_avc_pak_picture_level(ctx, encode_state, encoder_context);
        gen9_avc_pak_slice_level(ctx, encode_state, encoder_context);
        gen9_avc_read_mfc_status(ctx, encoder_context);
    }

    if (avc_ctx->pres_slice_batch_buffer_2nd_level) {
        intel_batchbuffer_free(avc_ctx->pres_slice_batch_buffer_2nd_level);
        avc_ctx->pres_slice_batch_buffer_2nd_level = NULL;
    }

    intel_batchbuffer_end_atomic(batch);
    intel_batchbuffer_flush(batch);

    generic_state->seq_frame_number++;
    generic_state->total_frame_number++;
    generic_state->first_frame = 0;
    return VA_STATUS_SUCCESS;
}

static VAStatus
gen9_avc_pak_pipeline(VADriverContextP ctx,
                      VAProfile profile,
                      struct encode_state *encode_state,
                      struct intel_encoder_context *encoder_context)
{
    VAStatus vaStatus;

    switch (profile) {
    case VAProfileH264ConstrainedBaseline:
    case VAProfileH264Main:
    case VAProfileH264High:
    case VAProfileH264MultiviewHigh:
    case VAProfileH264StereoHigh:
        vaStatus = gen9_avc_encode_picture(ctx, profile, encode_state, encoder_context);
        break;

    default:
        vaStatus = VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
        break;
    }

    return vaStatus;
}

static void
gen9_avc_pak_context_destroy(void * context)
{
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)context;
    struct generic_encoder_context * generic_ctx;
    struct i965_avc_encoder_context * avc_ctx;
    int i = 0;

    if (!pak_context)
        return;

    generic_ctx = (struct generic_encoder_context *)pak_context->generic_enc_ctx;
    avc_ctx = (struct i965_avc_encoder_context *)pak_context->private_enc_ctx;

    // other things
    i965_free_gpe_resource(&generic_ctx->res_reconstructed_surface);
    i965_free_gpe_resource(&avc_ctx->res_post_deblocking_output);
    i965_free_gpe_resource(&avc_ctx->res_pre_deblocking_output);
    i965_free_gpe_resource(&generic_ctx->res_uncompressed_input_surface);

    i965_free_gpe_resource(&generic_ctx->compressed_bitstream.res);
    i965_free_gpe_resource(&avc_ctx->res_intra_row_store_scratch_buffer);
    i965_free_gpe_resource(&avc_ctx->res_deblocking_filter_row_store_scratch_buffer);
    i965_free_gpe_resource(&avc_ctx->res_bsd_mpc_row_store_scratch_buffer);
    i965_free_gpe_resource(&avc_ctx->res_pak_mb_status_buffer);

    for (i = 0 ; i < MAX_MFC_AVC_REFERENCE_SURFACES; i++) {
        i965_free_gpe_resource(&avc_ctx->list_reference_res[i]);
    }

    for (i = 0 ; i < NUM_MFC_AVC_DMV_BUFFERS; i++) {
        i965_free_gpe_resource(&avc_ctx->res_direct_mv_buffersr[i]);
    }

    if (avc_ctx->pres_slice_batch_buffer_2nd_level) {
        intel_batchbuffer_free(avc_ctx->pres_slice_batch_buffer_2nd_level);
        avc_ctx->pres_slice_batch_buffer_2nd_level = NULL;
    }

}

static VAStatus
gen9_avc_get_coded_status(VADriverContextP ctx,
                          struct intel_encoder_context *encoder_context,
                          struct i965_coded_buffer_segment *coded_buf_seg)
{
    struct encoder_status *avc_encode_status;

    if (!encoder_context || !coded_buf_seg)
        return VA_STATUS_ERROR_INVALID_BUFFER;

    avc_encode_status = (struct encoder_status *)coded_buf_seg->codec_private_data;
    coded_buf_seg->base.size = avc_encode_status->bs_byte_count_frame;

    return VA_STATUS_SUCCESS;
}

Bool
gen9_avc_vme_context_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
{
    /* VME & PAK share the same context */
    struct i965_driver_data *i965 = i965_driver_data(ctx);
    struct encoder_vme_mfc_context * vme_context = NULL;
    struct generic_encoder_context * generic_ctx = NULL;
    struct i965_avc_encoder_context * avc_ctx = NULL;
    struct generic_enc_codec_state * generic_state = NULL;
    struct avc_enc_state * avc_state = NULL;
    struct encoder_status_buffer_internal *status_buffer;
    uint32_t base_offset = offsetof(struct i965_coded_buffer_segment, codec_private_data);

    vme_context = calloc(1, sizeof(struct encoder_vme_mfc_context));
    generic_ctx = calloc(1, sizeof(struct generic_encoder_context));
    avc_ctx = calloc(1, sizeof(struct i965_avc_encoder_context));
    generic_state = calloc(1, sizeof(struct generic_enc_codec_state));
    avc_state = calloc(1, sizeof(struct avc_enc_state));

    if (!vme_context || !generic_ctx || !avc_ctx || !generic_state || !avc_state)
        goto allocate_structure_failed;

    memset(vme_context, 0, sizeof(struct encoder_vme_mfc_context));
    memset(generic_ctx, 0, sizeof(struct generic_encoder_context));
    memset(avc_ctx, 0, sizeof(struct i965_avc_encoder_context));
    memset(generic_state, 0, sizeof(struct generic_enc_codec_state));
    memset(avc_state, 0, sizeof(struct avc_enc_state));

    encoder_context->vme_context = vme_context;
    vme_context->generic_enc_ctx = generic_ctx;
    vme_context->private_enc_ctx = avc_ctx;
    vme_context->generic_enc_state = generic_state;
    vme_context->private_enc_state = avc_state;

    if (IS_SKL(i965->intel.device_info) ||
        IS_BXT(i965->intel.device_info)) {
        if (!encoder_context->fei_enabled && !encoder_context->preenc_enabled) {
            generic_ctx->enc_kernel_ptr = (void *)skl_avc_encoder_kernels;
            generic_ctx->enc_kernel_size = sizeof(skl_avc_encoder_kernels);
        } else {
            /* FEI and PreEnc operation kernels are included in
            * the monolithic kernel binary */
            generic_ctx->enc_kernel_ptr = (void *)skl_avc_fei_encoder_kernels;
            generic_ctx->enc_kernel_size = sizeof(skl_avc_fei_encoder_kernels);
        }
    } else if (IS_GEN8(i965->intel.device_info)) {
        generic_ctx->enc_kernel_ptr = (void *)bdw_avc_encoder_kernels;
        generic_ctx->enc_kernel_size = sizeof(bdw_avc_encoder_kernels);
    } else if (IS_KBL(i965->intel.device_info) ||
               IS_GLK(i965->intel.device_info)) {
        generic_ctx->enc_kernel_ptr = (void *)kbl_avc_encoder_kernels;
        generic_ctx->enc_kernel_size = sizeof(kbl_avc_encoder_kernels);
    } else if (IS_GEN10(i965->intel.device_info)) {
        generic_ctx->enc_kernel_ptr = (void *)cnl_avc_encoder_kernels;
        generic_ctx->enc_kernel_size = sizeof(cnl_avc_encoder_kernels);
    } else
        goto allocate_structure_failed;

    /* initialize misc ? */
    avc_ctx->ctx = ctx;
    generic_ctx->use_hw_scoreboard = 1;
    generic_ctx->use_hw_non_stalling_scoreboard = 1;

    /* initialize generic state */

    generic_state->kernel_mode = INTEL_ENC_KERNEL_NORMAL;
    generic_state->preset = INTEL_PRESET_RT_SPEED;
    generic_state->seq_frame_number = 0;
    generic_state->total_frame_number = 0;
    generic_state->frame_type = 0;
    generic_state->first_frame = 1;

    generic_state->frame_width_in_pixel = 0;
    generic_state->frame_height_in_pixel = 0;
    generic_state->frame_width_in_mbs = 0;
    generic_state->frame_height_in_mbs = 0;
    generic_state->frame_width_4x = 0;
    generic_state->frame_height_4x = 0;
    generic_state->frame_width_16x = 0;
    generic_state->frame_height_16x = 0;
    generic_state->frame_width_32x = 0;
    generic_state->downscaled_width_4x_in_mb = 0;
    generic_state->downscaled_height_4x_in_mb = 0;
    generic_state->downscaled_width_16x_in_mb = 0;
    generic_state->downscaled_height_16x_in_mb = 0;
    generic_state->downscaled_width_32x_in_mb = 0;
    generic_state->downscaled_height_32x_in_mb = 0;

    generic_state->hme_supported = 1;
    generic_state->b16xme_supported = 1;
    generic_state->b32xme_supported = 0;
    generic_state->hme_enabled = 0;
    generic_state->b16xme_enabled = 0;
    generic_state->b32xme_enabled = 0;

    if (encoder_context->fei_enabled) {
        /* Disabling HME in FEI encode */
        generic_state->hme_supported = 0;
        generic_state->b16xme_supported = 0;
    } else if (encoder_context->preenc_enabled) {
        /* Disabling 16x16ME in PreEnc */
        generic_state->b16xme_supported = 0;
    }

    generic_state->brc_distortion_buffer_supported = 1;
    generic_state->brc_constant_buffer_supported = 0;

    generic_state->frame_rate = 30;
    generic_state->brc_allocated = 0;
    generic_state->brc_inited = 0;
    generic_state->brc_need_reset = 0;
    generic_state->is_low_delay = 0;
    generic_state->brc_enabled = 0;//default
    generic_state->internal_rate_mode = 0;
    generic_state->curr_pak_pass = 0;
    generic_state->num_pak_passes = MAX_AVC_PAK_PASS_NUM;
    generic_state->is_first_pass = 1;
    generic_state->is_last_pass = 0;
    generic_state->mb_brc_enabled = 0; // enable mb brc
    generic_state->brc_roi_enable = 0;
    generic_state->brc_dirty_roi_enable = 0;
    generic_state->skip_frame_enbale = 0;

    generic_state->target_bit_rate = 0;
    generic_state->max_bit_rate = 0;
    generic_state->min_bit_rate = 0;
    generic_state->init_vbv_buffer_fullness_in_bit = 0;
    generic_state->vbv_buffer_size_in_bit = 0;
    generic_state->frames_per_100s = 0;
    generic_state->gop_size = 0;
    generic_state->gop_ref_distance = 0;
    generic_state->brc_target_size = 0;
    generic_state->brc_mode = 0;
    generic_state->brc_init_current_target_buf_full_in_bits = 0.0;
    generic_state->brc_init_reset_input_bits_per_frame = 0.0;
    generic_state->brc_init_reset_buf_size_in_bits = 0;
    generic_state->brc_init_previous_target_buf_full_in_bits = 0;
    generic_state->frames_per_window_size = 0;//default
    generic_state->target_percentage = 0;

    generic_state->avbr_curracy = 0;
    generic_state->avbr_convergence = 0;

    generic_state->num_skip_frames = 0;
    generic_state->size_skip_frames = 0;

    generic_state->num_roi = 0;
    generic_state->max_delta_qp = 0;
    generic_state->min_delta_qp = 0;

    if (encoder_context->rate_control_mode != VA_RC_NONE &&
        encoder_context->rate_control_mode != VA_RC_CQP) {
        generic_state->brc_enabled = 1;
        generic_state->brc_distortion_buffer_supported = 1;
        generic_state->brc_constant_buffer_supported = 1;
        generic_state->num_pak_passes = MAX_AVC_PAK_PASS_NUM;
    }
    /*avc state initialization */
    avc_state->mad_enable = 0;
    avc_state->mb_disable_skip_map_enable = 0;
    avc_state->sfd_enable = 1;//default
    avc_state->sfd_mb_enable = 1;//set it true
    avc_state->adaptive_search_window_enable = 1;//default
    avc_state->mb_qp_data_enable = 0;
    avc_state->intra_refresh_i_enable = 0;
    avc_state->min_max_qp_enable = 0;
    avc_state->skip_bias_adjustment_enable = 0;//default,same as   skip_bias_adjustment_supporte? no

    //external input
    avc_state->non_ftq_skip_threshold_lut_input_enable = 0;
    avc_state->ftq_skip_threshold_lut_input_enable = 0;
    avc_state->ftq_override = 0;

    avc_state->direct_bias_adjustment_enable = 0;
    avc_state->global_motion_bias_adjustment_enable = 0;
    avc_state->disable_sub_mb_partion = 0;
    avc_state->arbitrary_num_mbs_in_slice = 0;
    avc_state->adaptive_transform_decision_enable = 0;//default
    avc_state->skip_check_disable = 0;
    avc_state->tq_enable = 0;
    avc_state->enable_avc_ildb = 0;
    avc_state->mbaff_flag = 0;
    avc_state->enable_force_skip = 1;//default
    avc_state->rc_panic_enable = 1;//default
    avc_state->suppress_recon_enable = 1;//default

    avc_state->ref_pic_select_list_supported = 1;
    avc_state->mb_brc_supported = 1;//?,default
    avc_state->multi_pre_enable = 1;//default
    avc_state->ftq_enable = 1;//default
    avc_state->caf_supported = 1; //default
    avc_state->caf_enable = 0;
    avc_state->caf_disable_hd = 1;//default
    avc_state->skip_bias_adjustment_supported = 1;//default

    avc_state->adaptive_intra_scaling_enable = 1;//default
    avc_state->old_mode_cost_enable = 0;//default
    avc_state->multi_ref_qp_enable = 1;//default
    avc_state->weighted_ref_l0_enable = 1;//default
    avc_state->weighted_ref_l1_enable = 1;//default
    avc_state->weighted_prediction_supported = 0;
    avc_state->brc_split_enable = 0;
    avc_state->slice_level_report_supported = 0;

    avc_state->fbr_bypass_enable = 1;//default
    avc_state->field_scaling_output_interleaved = 0;
    avc_state->mb_variance_output_enable = 0;
    avc_state->mb_pixel_average_output_enable = 0;
    avc_state->rolling_intra_refresh_enable = 0;// same as intra_refresh_i_enable?
    avc_state->mbenc_curbe_set_in_brc_update = 0;
    avc_state->rounding_inter_enable = 1; //default
    avc_state->adaptive_rounding_inter_enable = 1;//default

    avc_state->mbenc_i_frame_dist_in_use = 0;
    avc_state->mb_status_supported = 1; //set in intialization for gen9
    avc_state->mb_status_enable = 0;
    avc_state->mb_vproc_stats_enable = 0;
    avc_state->flatness_check_enable = 0;
    avc_state->flatness_check_supported = 1;//default
    avc_state->block_based_skip_enable = 0;
    avc_state->use_widi_mbenc_kernel = 0;
    avc_state->kernel_trellis_enable = 0;
    avc_state->generic_reserved = 0;

    avc_state->rounding_value = 0;
    avc_state->rounding_inter_p = AVC_INVALID_ROUNDING_VALUE;//default
    avc_state->rounding_inter_b = AVC_INVALID_ROUNDING_VALUE; //default
    avc_state->rounding_inter_b_ref = AVC_INVALID_ROUNDING_VALUE; //default
    avc_state->min_qp_i = INTEL_AVC_MIN_QP;
    avc_state->min_qp_p = INTEL_AVC_MIN_QP;
    avc_state->min_qp_b = INTEL_AVC_MIN_QP;
    avc_state->max_qp_i = INTEL_AVC_MAX_QP;
    avc_state->max_qp_p = INTEL_AVC_MAX_QP;
    avc_state->max_qp_b = INTEL_AVC_MAX_QP;

    memset(avc_state->non_ftq_skip_threshold_lut, 0, AVC_QP_MAX * sizeof(uint8_t));
    memset(avc_state->ftq_skip_threshold_lut, 0, AVC_QP_MAX * sizeof(uint8_t));
    memset(avc_state->lamda_value_lut, 0, AVC_QP_MAX * 2 * sizeof(uint32_t));

    avc_state->intra_refresh_qp_threshold = 0;
    avc_state->trellis_flag = 0;
    avc_state->hme_mv_cost_scaling_factor = 0;
    avc_state->slice_height = 1;
    avc_state->slice_num = 1;
    memset(avc_state->dist_scale_factor_list0, 0, 32 * sizeof(uint32_t));
    avc_state->bi_weight = 0;

    avc_state->lambda_table_enable = 0;

    if (IS_GEN8(i965->intel.device_info)) {
        avc_state->brc_const_data_surface_width = 64;
        avc_state->brc_const_data_surface_height = 44;
        avc_state->mb_status_supported = 0;
    } else if (IS_SKL(i965->intel.device_info) ||
               IS_BXT(i965->intel.device_info)) {
        avc_state->brc_const_data_surface_width = 64;
        avc_state->brc_const_data_surface_height = 44;
        avc_state->brc_split_enable = 1;
    } else if (IS_KBL(i965->intel.device_info) ||
               IS_GEN10(i965->intel.device_info) ||
               IS_GLK(i965->intel.device_info)) {
        avc_state->brc_const_data_surface_width = 64;
        avc_state->brc_const_data_surface_height = 53;
        //gen95
        avc_state->decouple_mbenc_curbe_from_brc_enable = 1;
        avc_state->extended_mv_cost_range_enable = 0;
        avc_state->reserved_g95 = 0;
        avc_state->mbenc_brc_buffer_size = 128;
        avc_state->kernel_trellis_enable = 1;
        avc_state->lambda_table_enable = 1;
        avc_state->brc_split_enable = 1;

        if (IS_GEN10(i965->intel.device_info))
            avc_state->adaptive_transform_decision_enable = 1;// CNL
    }

    avc_state->num_refs[0] = 0;
    avc_state->num_refs[1] = 0;
    memset(avc_state->list_ref_idx, 0, 32 * 2 * sizeof(uint32_t));
    memset(avc_state->top_field_poc, 0, NUM_MFC_AVC_DMV_BUFFERS * sizeof(int32_t));
    avc_state->tq_rounding = 0;
    avc_state->zero_mv_threshold = 0;
    avc_state->slice_second_levle_batch_buffer_in_use = 0;

    //1. seq/pic/slice

    /* the definition of status buffer offset for Encoder */

    status_buffer = &avc_ctx->status_buffer;
    memset(status_buffer, 0, sizeof(struct encoder_status_buffer_internal));

    status_buffer->base_offset = base_offset;
    status_buffer->bs_byte_count_frame_offset = base_offset + offsetof(struct encoder_status, bs_byte_count_frame);
    status_buffer->bs_byte_count_frame_nh_offset = base_offset + offsetof(struct encoder_status, bs_byte_count_frame_nh);
    status_buffer->image_status_mask_offset = base_offset + offsetof(struct encoder_status, image_status_mask);
    status_buffer->image_status_ctrl_offset = base_offset + offsetof(struct encoder_status, image_status_ctrl);
    status_buffer->mfc_qp_status_count_offset = base_offset + offsetof(struct encoder_status, mfc_qp_status_count);
    status_buffer->media_index_offset       = base_offset + offsetof(struct encoder_status, media_index);

    status_buffer->status_buffer_size = sizeof(struct encoder_status);
    status_buffer->bs_byte_count_frame_reg_offset = MFC_BITSTREAM_BYTECOUNT_FRAME_REG;
    status_buffer->bs_byte_count_frame_nh_reg_offset = MFC_BITSTREAM_BYTECOUNT_SLICE_REG;
    status_buffer->image_status_mask_reg_offset = MFC_IMAGE_STATUS_MASK_REG;
    status_buffer->image_status_ctrl_reg_offset = MFC_IMAGE_STATUS_CTRL_REG;
    status_buffer->mfc_qp_status_count_reg_offset = MFC_QP_STATUS_COUNT_REG;

    if (IS_GEN8(i965->intel.device_info)) {
        gen8_avc_kernel_init(ctx, encoder_context);
    } else {
        gen9_avc_kernel_init(ctx, encoder_context);
    }
    encoder_context->vme_context = vme_context;
    /* Handling PreEnc operations separately since it gives better
     * code readability, avoid possible vme operations mess-up */
    encoder_context->vme_pipeline =
        !encoder_context->preenc_enabled ? gen9_avc_vme_pipeline : gen9_avc_preenc_pipeline;
    encoder_context->vme_context_destroy = gen9_avc_vme_context_destroy;

    return true;

allocate_structure_failed:

    free(vme_context);
    free(generic_ctx);
    free(avc_ctx);
    free(generic_state);
    free(avc_state);
    return false;
}

Bool
gen9_avc_pak_context_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
{
    /* VME & PAK share the same context */
    struct encoder_vme_mfc_context * pak_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;

    if (!pak_context)
        return false;

    encoder_context->mfc_context = pak_context;
    encoder_context->mfc_context_destroy = gen9_avc_pak_context_destroy;
    encoder_context->mfc_pipeline = gen9_avc_pak_pipeline;
    encoder_context->mfc_brc_prepare = gen9_avc_pak_brc_prepare;
    encoder_context->get_status = gen9_avc_get_coded_status;
    return true;
}