Merge airlied/drm-next into drm-misc-next

Bake in the conflict between the drm_print.h extraction and the
addition of DRM_DEBUG_LEASES since we lost it a few too many times.

Also fix a new use of drm_plane_helper_check_state in msm to follow
Ville's conversion in

commit a01cb8ba3f6282934cff65e89ab36b18b14cbe27
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Wed Nov 1 22:16:19 2017 +0200

    drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c

Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 40 insertions, 26 deletions

diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 4d9165f29f43..28e3de6e5f94 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -2,7 +2,7 @@
  * Copyright (C) 2013 Red Hat
  * Author: Rob Clark <robdclark@gmail.com>
  *
- * Copyright (c) 2014 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014,2017 The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published by
@@ -82,14 +82,6 @@ struct adreno_info {
 
 const struct adreno_info *adreno_info(struct adreno_rev rev);
 
-#define rbmemptr(adreno_gpu, member)  \
-	((adreno_gpu)->memptrs_iova + offsetof(struct adreno_rbmemptrs, member))
-
-struct adreno_rbmemptrs {
-	volatile uint32_t rptr;
-	volatile uint32_t fence;
-};
-
 struct adreno_gpu {
 	struct msm_gpu base;
 	struct adreno_rev rev;
@@ -101,16 +93,30 @@ struct adreno_gpu {
 	/* interesting register offsets to dump: */
 	const unsigned int *registers;
 
+	/*
+	 * Are we loading fw from legacy path?  Prior to addition
+	 * of gpu firmware to linux-firmware, the fw files were
+	 * placed in toplevel firmware directory, following qcom's
+	 * android kernel.  But linux-firmware preferred they be
+	 * placed in a 'qcom' subdirectory.
+	 *
+	 * For backwards compatibility, we try first to load from
+	 * the new path, using request_firmware_direct() to avoid
+	 * any potential timeout waiting for usermode helper, then
+	 * fall back to the old path (with direct load).  And
+	 * finally fall back to request_firmware() with the new
+	 * path to allow the usermode helper.
+	 */
+	enum {
+		FW_LOCATION_UNKNOWN = 0,
+		FW_LOCATION_NEW,       /* /lib/firmware/qcom/$fwfile */
+		FW_LOCATION_LEGACY,    /* /lib/firmware/$fwfile */
+		FW_LOCATION_HELPER,
+	} fwloc;
+
 	/* firmware: */
 	const struct firmware *pm4, *pfp;
 
-	/* ringbuffer rptr/wptr: */
-	// TODO should this be in msm_ringbuffer?  I think it would be
-	// different for z180..
-	struct adreno_rbmemptrs *memptrs;
-	struct drm_gem_object *memptrs_bo;
-	uint64_t memptrs_iova;
-
 	/*
 	 * Register offsets are different between some GPUs.
 	 * GPU specific offsets will be exported by GPU specific
@@ -196,22 +202,25 @@ static inline int adreno_is_a530(struct adreno_gpu *gpu)
 }
 
 int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
+const struct firmware *adreno_request_fw(struct adreno_gpu *adreno_gpu,
+		const char *fwname);
 int adreno_hw_init(struct msm_gpu *gpu);
-uint32_t adreno_last_fence(struct msm_gpu *gpu);
 void adreno_recover(struct msm_gpu *gpu);
 void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 		struct msm_file_private *ctx);
-void adreno_flush(struct msm_gpu *gpu);
-bool adreno_idle(struct msm_gpu *gpu);
+void adreno_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
+bool adreno_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
 #ifdef CONFIG_DEBUG_FS
 void adreno_show(struct msm_gpu *gpu, struct seq_file *m);
 #endif
 void adreno_dump_info(struct msm_gpu *gpu);
 void adreno_dump(struct msm_gpu *gpu);
-void adreno_wait_ring(struct msm_gpu *gpu, uint32_t ndwords);
+void adreno_wait_ring(struct msm_ringbuffer *ring, uint32_t ndwords);
+struct msm_ringbuffer *adreno_active_ring(struct msm_gpu *gpu);
 
 int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
-		struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs);
+		struct adreno_gpu *gpu, const struct adreno_gpu_funcs *funcs,
+		int nr_rings);
 void adreno_gpu_cleanup(struct adreno_gpu *gpu);
 
 
@@ -220,7 +229,7 @@ void adreno_gpu_cleanup(struct adreno_gpu *gpu);
 static inline void
 OUT_PKT0(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
 {
-	adreno_wait_ring(ring->gpu, cnt+1);
+	adreno_wait_ring(ring, cnt+1);
 	OUT_RING(ring, CP_TYPE0_PKT | ((cnt-1) << 16) | (regindx & 0x7FFF));
 }
 
@@ -228,14 +237,14 @@ OUT_PKT0(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
 static inline void
 OUT_PKT2(struct msm_ringbuffer *ring)
 {
-	adreno_wait_ring(ring->gpu, 1);
+	adreno_wait_ring(ring, 1);
 	OUT_RING(ring, CP_TYPE2_PKT);
 }
 
 static inline void
 OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
 {
-	adreno_wait_ring(ring->gpu, cnt+1);
+	adreno_wait_ring(ring, cnt+1);
 	OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
 }
 
@@ -257,14 +266,14 @@ static inline u32 PM4_PARITY(u32 val)
 static inline void
 OUT_PKT4(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
 {
-	adreno_wait_ring(ring->gpu, cnt + 1);
+	adreno_wait_ring(ring, cnt + 1);
 	OUT_RING(ring, PKT4(regindx, cnt));
 }
 
 static inline void
 OUT_PKT7(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
 {
-	adreno_wait_ring(ring->gpu, cnt + 1);
+	adreno_wait_ring(ring, cnt + 1);
 	OUT_RING(ring, CP_TYPE7_PKT | (cnt << 0) | (PM4_PARITY(cnt) << 15) |
 		((opcode & 0x7F) << 16) | (PM4_PARITY(opcode) << 23));
 }
@@ -323,6 +332,11 @@ static inline void adreno_gpu_write64(struct adreno_gpu *gpu,
 	adreno_gpu_write(gpu, hi, upper_32_bits(data));
 }
 
+static inline uint32_t get_wptr(struct msm_ringbuffer *ring)
+{
+	return (ring->cur - ring->start) % (MSM_GPU_RINGBUFFER_SZ >> 2);
+}
+
 /*
  * Given a register and a count, return a value to program into
  * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len