diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 237 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.h | 1 |
5 files changed, 272 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index e610656015b9..dd6d70a05e7c 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -62,7 +62,7 @@ amdgpu-$(CONFIG_DRM_AMDGPU_SI)+= si.o gmc_v6_0.o gfx_v6_0.o si_ih.o si_dma.o dce amdgpu-y += \ vi.o mxgpu_vi.o nbio_v6_1.o soc15.o emu_soc.o mxgpu_ai.o nbio_v7_0.o vega10_reg_init.o \ - vega20_reg_init.o + vega20_reg_init.o nbio_v7_4.o # add DF block amdgpu-y += \ diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c new file mode 100644 index 000000000000..89ea92075b6b --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -0,0 +1,237 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include "amdgpu.h" +#include "amdgpu_atombios.h" +#include "nbio_v7_4.h" + +#include "nbio/nbio_7_4_offset.h" +#include "nbio/nbio_7_4_sh_mask.h" + +#define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c + +#define smnCPM_CONTROL 0x11180460 +#define smnPCIE_CNTL2 0x11180070 + +static u32 nbio_v7_4_get_rev_id(struct amdgpu_device *adev) +{ + u32 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0); + + tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK; + tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT; + + return tmp; +} + +static void nbio_v7_4_mc_access_enable(struct amdgpu_device *adev, bool enable) +{ + if (enable) + WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, + BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); + else + WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, 0); +} + +static void nbio_v7_4_hdp_flush(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + if (!ring || !ring->funcs->emit_wreg) + WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); + else + amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET( + NBIO, 0, mmHDP_MEM_COHERENCY_FLUSH_CNTL), 0); +} + +static u32 nbio_v7_4_get_memsize(struct amdgpu_device *adev) +{ + return RREG32_SOC15(NBIO, 0, mmRCC_CONFIG_MEMSIZE); +} + +static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instance, + bool use_doorbell, int doorbell_index) +{ + u32 reg = instance == 0 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE) : + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE); + + u32 doorbell_range = RREG32(reg); + + if (use_doorbell) { + doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index); + doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 8); + } else + doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0); + + WREG32(reg, doorbell_range); +} + +static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev, + bool enable) +{ + WREG32_FIELD15(NBIO, 0, RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0); +} + +static void nbio_v7_4_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, + bool enable) +{ + +} + +static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev, + bool use_doorbell, int doorbell_index) +{ + u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0 , mmBIF_IH_DOORBELL_RANGE); + + if (use_doorbell) { + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index); + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 2); + } else + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0); + + WREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE, ih_doorbell_range); +} + + +static void nbio_v7_4_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + //TODO: Add support for v7.4 +} + +static void nbio_v7_4_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_PCIE(smnPCIE_CNTL2); + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { + data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); + } else { + data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); + } + + if (def != data) + WREG32_PCIE(smnPCIE_CNTL2, data); +} + +static void nbio_v7_4_get_clockgating_state(struct amdgpu_device *adev, + u32 *flags) +{ + int data; + + /* AMD_CG_SUPPORT_BIF_MGCG */ + data = RREG32_PCIE(smnCPM_CONTROL); + if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK) + *flags |= AMD_CG_SUPPORT_BIF_MGCG; + + /* AMD_CG_SUPPORT_BIF_LS */ + data = RREG32_PCIE(smnPCIE_CNTL2); + if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK) + *flags |= AMD_CG_SUPPORT_BIF_LS; +} + +static void nbio_v7_4_ih_control(struct amdgpu_device *adev) +{ + u32 interrupt_cntl; + + /* setup interrupt control */ + WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8); + interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL); + /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi + * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN + */ + interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0); + /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */ + interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0); + WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl); +} + +static u32 nbio_v7_4_get_hdp_flush_req_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_REQ); +} + +static u32 nbio_v7_4_get_hdp_flush_done_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_DONE); +} + +static u32 nbio_v7_4_get_pcie_index_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2); +} + +static u32 nbio_v7_4_get_pcie_data_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2); +} + +static const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = { + .ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK, + .ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK, + .ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK, + .ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK, + .ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK, + .ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK, + .ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK, + .ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK, + .ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK, + .ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK, + .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK, + .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK, +}; + +static void nbio_v7_4_detect_hw_virt(struct amdgpu_device *adev) +{ + if (is_virtual_machine()) /* passthrough mode exclus sriov mod */ + adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; +} + +static void nbio_v7_4_init_registers(struct amdgpu_device *adev) +{ + +} + +const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { + .hdp_flush_reg = &nbio_v7_4_hdp_flush_reg, + .get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset, + .get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset, + .get_pcie_index_offset = nbio_v7_4_get_pcie_index_offset, + .get_pcie_data_offset = nbio_v7_4_get_pcie_data_offset, + .get_rev_id = nbio_v7_4_get_rev_id, + .mc_access_enable = nbio_v7_4_mc_access_enable, + .hdp_flush = nbio_v7_4_hdp_flush, + .get_memsize = nbio_v7_4_get_memsize, + .sdma_doorbell_range = nbio_v7_4_sdma_doorbell_range, + .enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture, + .enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture, + .ih_doorbell_range = nbio_v7_4_ih_doorbell_range, + .update_medium_grain_clock_gating = nbio_v7_4_update_medium_grain_clock_gating, + .update_medium_grain_light_sleep = nbio_v7_4_update_medium_grain_light_sleep, + .get_clockgating_state = nbio_v7_4_get_clockgating_state, + .ih_control = nbio_v7_4_ih_control, + .init_registers = nbio_v7_4_init_registers, + .detect_hw_virt = nbio_v7_4_detect_hw_virt, +}; diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h new file mode 100644 index 000000000000..c442865bac4f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.h @@ -0,0 +1,31 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef __NBIO_V7_4_H__ +#define __NBIO_V7_4_H__ + +#include "soc15_common.h" + +extern const struct amdgpu_nbio_funcs nbio_v7_4_funcs; + +#endif diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 6bd80369685e..73c85a0282d0 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -497,6 +497,8 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev) if (adev->flags & AMD_IS_APU) adev->nbio_funcs = &nbio_v7_0_funcs; + else if (adev->asic_type == CHIP_VEGA20) + adev->nbio_funcs = &nbio_v7_4_funcs; else adev->nbio_funcs = &nbio_v6_1_funcs; diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.h b/drivers/gpu/drm/amd/amdgpu/soc15.h index 1f714b7af520..f8ad7804dc40 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.h +++ b/drivers/gpu/drm/amd/amdgpu/soc15.h @@ -26,6 +26,7 @@ #include "nbio_v6_1.h" #include "nbio_v7_0.h" +#include "nbio_v7_4.h" #define SOC15_FLUSH_GPU_TLB_NUM_WREG 4 #define SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT 1 |