drm/amdgpu: remove amdgpu_bo_backup_to_shadow (1245adf3) · Commits · 戴 / test

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

+0 −47

Original line number	Diff line number	Diff line
		@@ -607,53 +607,6 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
		return r;
		}

		/**
		* amdgpu_bo_backup_to_shadow - Backs up 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 backed up
		* @resv: reservation object with embedded fence
		* @fence: dma_fence associated with the operation
		* @direct: whether to submit the job directly
		*
		* Copies an &amdgpu_bo buffer object to its shadow object.
		* Not used for now.
		*
		* Returns:
		* 0 for success or a negative error code on failure.
		*/
		int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
		struct amdgpu_ring *ring,
		struct amdgpu_bo *bo,
		struct reservation_object *resv,
		struct dma_fence **fence,
		bool direct)

		{
		struct amdgpu_bo *shadow = bo->shadow;
		uint64_t bo_addr, shadow_addr;
		int r;

		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, 1);
		if (r)
		goto err;

		r = amdgpu_copy_buffer(ring, bo_addr, shadow_addr,
		amdgpu_bo_size(bo), resv, fence,
		direct, false);
		if (!r)
		amdgpu_bo_fence(bo, *fence, true);

		err:
		return r;
		}

		/**
		* amdgpu_bo_validate - validate an &amdgpu_bo buffer object
		* @bo: pointer to the buffer object

+0 −5

Original line number	Diff line number	Diff line
		@@ -267,11 +267,6 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
		void amdgpu_bo_fence(struct amdgpu_bo bo, struct dma_fence fence,
		bool shared);
		u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
		int amdgpu_bo_backup_to_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_validate(struct amdgpu_bo *bo);
		int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
		struct dma_fence **fence);