X-Git-Url: https://repo.jachan.dev/linux.git/blobdiff_plain/ddaf501347e21a19d15977029af1d229cd800379..baa888d25ea64d0c59344d474284ca99cfdd449a:/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index c1387efc0c91..904014dc5915 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -51,18 +51,6 @@
  *
  */
 
-static bool amdgpu_bo_need_backup(struct amdgpu_device *adev)
-{
-	if (adev->flags & AMD_IS_APU)
-		return false;
-
-	if (amdgpu_gpu_recovery == 0 ||
-	    (amdgpu_gpu_recovery == -1  && !amdgpu_sriov_vf(adev)))
-		return false;
-
-	return true;
-}
-
 /**
  * amdgpu_bo_subtract_pin_size - Remove BO from pin_size accounting
  *
@@ -439,7 +427,11 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	int r;
 
 	page_align = roundup(bp->byte_align, PAGE_SIZE) >> PAGE_SHIFT;
-	size = ALIGN(size, PAGE_SIZE);
+	if (bp->domain & (AMDGPU_GEM_DOMAIN_GDS | AMDGPU_GEM_DOMAIN_GWS |
+			  AMDGPU_GEM_DOMAIN_OA))
+		size <<= PAGE_SHIFT;
+	else
+		size = ALIGN(size, PAGE_SIZE);
 
 	if (!amdgpu_bo_validate_size(adev, size, bp->domain))
 		return -ENOMEM;
@@ -544,7 +536,7 @@ fail_unreserve:
 }
 
 static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
-				   unsigned long size, int byte_align,
+				   unsigned long size,
 				   struct amdgpu_bo *bo)
 {
 	struct amdgpu_bo_param bp;
@@ -555,7 +547,6 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
 
 	memset(&bp, 0, sizeof(bp));
 	bp.size = size;
-	bp.byte_align = byte_align;
 	bp.domain = AMDGPU_GEM_DOMAIN_GTT;
 	bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC |
 		AMDGPU_GEM_CREATE_SHADOW;
@@ -566,7 +557,7 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
 	if (!r) {
 		bo->shadow->parent = amdgpu_bo_ref(bo);
 		mutex_lock(&adev->shadow_list_lock);
-		list_add_tail(&bo->shadow_list, &adev->shadow_list);
+		list_add_tail(&bo->shadow->shadow_list, &adev->shadow_list);
 		mutex_unlock(&adev->shadow_list_lock);
 	}
 
@@ -599,12 +590,12 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
 	if (r)
 		return r;
 
-	if ((flags & AMDGPU_GEM_CREATE_SHADOW) && amdgpu_bo_need_backup(adev)) {
+	if ((flags & AMDGPU_GEM_CREATE_SHADOW) && !(adev->flags & AMD_IS_APU)) {
 		if (!bp->resv)
 			WARN_ON(reservation_object_lock((*bo_ptr)->tbo.resv,
 							NULL));
 
-		r = amdgpu_bo_create_shadow(adev, bp->size, bp->byte_align, (*bo_ptr));
+		r = amdgpu_bo_create_shadow(adev, bp->size, *bo_ptr);
 
 		if (!bp->resv)
 			reservation_object_unlock((*bo_ptr)->tbo.resv);
@@ -698,13 +689,10 @@ retry:
 }
 
 /**
- * amdgpu_bo_restore_from_shadow - restore an &amdgpu_bo buffer object
- * @adev: amdgpu device object
- * @ring: amdgpu_ring for the engine handling the buffer operations
- * @bo: &amdgpu_bo buffer to be restored
- * @resv: reservation object with embedded fence
+ * amdgpu_bo_restore_shadow - restore an &amdgpu_bo shadow
+ *
+ * @shadow: &amdgpu_bo shadow to be restored
  * @fence: dma_fence associated with the operation
- * @direct: whether to submit the job directly
  *
  * Copies a buffer object's shadow content back to the object.
  * This is used for recovering a buffer from its shadow in case of a gpu
@@ -713,36 +701,19 @@ retry:
  * Returns:
  * 0 for success or a negative error code on failure.
  */
-int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev,
-				  struct amdgpu_ring *ring,
-				  struct amdgpu_bo *bo,
-				  struct reservation_object *resv,
-				  struct dma_fence **fence,
-				  bool direct)
+int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow, struct dma_fence **fence)
 
 {
-	struct amdgpu_bo *shadow = bo->shadow;
-	uint64_t bo_addr, shadow_addr;
-	int r;
+	struct amdgpu_device *adev = amdgpu_ttm_adev(shadow->tbo.bdev);
+	struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
+	uint64_t shadow_addr, parent_addr;
 
-	if (!shadow)
-		return -EINVAL;
-
-	bo_addr = amdgpu_bo_gpu_offset(bo);
-	shadow_addr = amdgpu_bo_gpu_offset(bo->shadow);
-
-	r = reservation_object_reserve_shared(bo->tbo.resv);
-	if (r)
-		goto err;
+	shadow_addr = amdgpu_bo_gpu_offset(shadow);
+	parent_addr = amdgpu_bo_gpu_offset(shadow->parent);
 
-	r = amdgpu_copy_buffer(ring, shadow_addr, bo_addr,
-			       amdgpu_bo_size(bo), resv, fence,
-			       direct, false);
-	if (!r)
-		amdgpu_bo_fence(bo, *fence, true);
-
-err:
-	return r;
+	return amdgpu_copy_buffer(ring, shadow_addr, parent_addr,
+				  amdgpu_bo_size(shadow), NULL, fence,
+				  true, false);
 }
 
 /**
@@ -1366,7 +1337,7 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
 {
 	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
 	WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) &&
-		     !bo->pin_count);
+		     !bo->pin_count && bo->tbo.type != ttm_bo_type_kernel);
 	WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET);
 	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_VRAM &&
 		     !(bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS));