drm/amdgpu: Add a parameter to amdgpu_bo_create()

The parameter init_value contains the value to which we initialized
VRAM bo when AMDGPU_GEM_CREATE_VRAM_CLEARED flag is set.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -184,7 +184,8 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
 		return -ENOMEM;
 
 	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT,
-			     AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, NULL, &(*mem)->bo);
+			     AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, NULL, 0,
+			     &(*mem)->bo);
 	if (r) {
 		dev_err(adev->dev,
 			"failed to allocate BO for amdkfd (%d)\n", r);

drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c

@@ -81,7 +81,7 @@ static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
 
 	n = AMDGPU_BENCHMARK_ITERATIONS;
 	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL,
-			     NULL, &sobj);
+			     NULL, 0, &sobj);
 	if (r) {
 		goto out_cleanup;
 	}
@@ -94,7 +94,7 @@ static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
 		goto out_cleanup;
 	}
 	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL,
-			     NULL, &dobj);
+			     NULL, 0, &dobj);
 	if (r) {
 		goto out_cleanup;
 	}

drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c

@@ -124,7 +124,7 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device,
 	ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE,
 					  true, domain, flags,
 					  NULL, &placement, NULL,
-					  &obj);
+					  0, &obj);
 	if (ret) {
 		DRM_ERROR("(%d) bo create failed\n", ret);
 		return ret;

drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c

@@ -144,7 +144,7 @@ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev)
 				     PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
 				     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 				     AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-				     NULL, NULL, &adev->gart.robj);
+				     NULL, NULL, 0, &adev->gart.robj);
 		if (r) {
 			return r;
 		}

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -59,7 +59,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
 
 retry:
 	r = amdgpu_bo_create(adev, size, alignment, kernel, initial_domain,
-			     flags, NULL, NULL, &robj);
+			     flags, NULL, NULL, 0, &robj);
 	if (r) {
 		if (r != -ERESTARTSYS) {
 			if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -247,7 +247,7 @@ int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
 		r = amdgpu_bo_create(adev, size, align, true, domain,
 				     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 				     AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-				     NULL, NULL, bo_ptr);
+				     NULL, NULL, 0, bo_ptr);
 		if (r) {
 			dev_err(adev->dev, "(%d) failed to allocate kernel bo\n",
 				r);
@@ -356,6 +356,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
 				struct sg_table *sg,
 				struct ttm_placement *placement,
 				struct reservation_object *resv,
+				uint64_t init_value,
 				struct amdgpu_bo **bo_ptr)
 {
 	struct amdgpu_bo *bo;
@@ -456,7 +457,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
 	    bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) {
 		struct dma_fence *fence;
 
-		r = amdgpu_fill_buffer(bo, 0, bo->tbo.resv, &fence);
+		r = amdgpu_fill_buffer(bo, init_value, bo->tbo.resv, &fence);
 		if (unlikely(r))
 			goto fail_unreserve;
 
@@ -508,6 +509,7 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
 					AMDGPU_GEM_CREATE_CPU_GTT_USWC,
 					NULL, &placement,
 					bo->tbo.resv,
+					0,
 					&bo->shadow);
 	if (!r) {
 		bo->shadow->parent = amdgpu_bo_ref(bo);
@@ -519,11 +521,15 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
 	return r;
 }
 
+/* init_value will only take effect when flags contains
+ * AMDGPU_GEM_CREATE_VRAM_CLEARED.
+ */
 int amdgpu_bo_create(struct amdgpu_device *adev,
 		     unsigned long size, int byte_align,
 		     bool kernel, u32 domain, u64 flags,
 		     struct sg_table *sg,
 		     struct reservation_object *resv,
+		     uint64_t init_value,
 		     struct amdgpu_bo **bo_ptr)
 {
 	struct ttm_placement placement = {0};
@@ -538,7 +544,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
 
 	r = amdgpu_bo_create_restricted(adev, size, byte_align, kernel,
 					domain, flags, sg, &placement,
-					resv, bo_ptr);
+					resv, init_value, bo_ptr);
 	if (r)
 		return r;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

@@ -193,6 +193,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
 			    bool kernel, u32 domain, u64 flags,
 			    struct sg_table *sg,
 			    struct reservation_object *resv,
+			    uint64_t init_value,
 			    struct amdgpu_bo **bo_ptr);
 int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
 				unsigned long size, int byte_align,
@@ -200,6 +201,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
 				struct sg_table *sg,
 				struct ttm_placement *placement,
 			        struct reservation_object *resv,
+				uint64_t init_value,
 				struct amdgpu_bo **bo_ptr);
 int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
 			      unsigned long size, int align,

drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c

@@ -69,7 +69,7 @@ amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
 
 	ww_mutex_lock(&resv->lock, NULL);
 	ret = amdgpu_bo_create(adev, attach->dmabuf->size, PAGE_SIZE, false,
-			       AMDGPU_GEM_DOMAIN_GTT, 0, sg, resv, &bo);
+			       AMDGPU_GEM_DOMAIN_GTT, 0, sg, resv, 0, &bo);
 	ww_mutex_unlock(&resv->lock);
 	if (ret)
 		return ERR_PTR(ret);

drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c

@@ -64,7 +64,7 @@ int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
 		INIT_LIST_HEAD(&sa_manager->flist[i]);
 
 	r = amdgpu_bo_create(adev, size, align, true, domain,
-			     0, NULL, NULL, &sa_manager->bo);
+			     0, NULL, NULL, 0, &sa_manager->bo);
 	if (r) {
 		dev_err(adev->dev, "(%d) failed to allocate bo for manager\n", r);
 		return r;

drivers/gpu/drm/amd/amdgpu/amdgpu_test.c

@@ -61,7 +61,7 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
 
 	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
 			     AMDGPU_GEM_DOMAIN_VRAM, 0,
-			     NULL, NULL, &vram_obj);
+			     NULL, NULL, 0, &vram_obj);
 	if (r) {
 		DRM_ERROR("Failed to create VRAM object\n");
 		goto out_cleanup;
@@ -82,7 +82,7 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
 
 		r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
 				     AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
-				     NULL, gtt_obj + i);
+				     NULL, 0, gtt_obj + i);
 		if (r) {
 			DRM_ERROR("Failed to create GTT object %d\n", i);
 			goto out_lclean;

drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c

@@ -381,7 +381,7 @@ int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
 	err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
 				amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
 				AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-				NULL, NULL, bo);
+				NULL, NULL, 0, bo);
 	if (err) {
 		dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
 		goto failed;

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c

@@ -1051,7 +1051,7 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 			     AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-			     NULL, NULL, &bo);
+			     NULL, NULL, 0, &bo);
 	if (r)
 		return r;
 
@@ -1101,7 +1101,7 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 			     AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-			     NULL, NULL, &bo);
+			     NULL, NULL, 0, &bo);
 	if (r)
 		return r;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c

@@ -359,7 +359,7 @@ static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t hand
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 			     AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-			     NULL, NULL, &bo);
+			     NULL, NULL, 0, &bo);
 	if (r)
 		return r;
 
@@ -411,7 +411,7 @@ static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 			     AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-			     NULL, NULL, &bo);
+			     NULL, NULL, 0, &bo);
 	if (r)
 		return r;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -333,7 +333,7 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 					     AMDGPU_GPU_PAGE_SIZE, true,
 					     AMDGPU_GEM_DOMAIN_VRAM,
 					     flags,
-					     NULL, resv, &pt);
+					     NULL, resv, 0, &pt);
 			if (r)
 				return r;
 
@@ -2538,7 +2538,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	r = amdgpu_bo_create(adev, amdgpu_vm_bo_size(adev, 0), align, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     flags,
-			     NULL, NULL, &vm->root.bo);
+			     NULL, NULL, 0, &vm->root.bo);
 	if (r)
 		goto error_free_sched_entity;