Commit 63af82cf authored by Christian König's avatar Christian König
Browse files

drm/amdgpu: audit bo->resource usage 



Make sure we can at least move and release BOs without backing store.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarMichael J. Ruhl <michael.j.ruhl@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220707102453.3633-3-christian.koenig@amd.com
parent 347987a2

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

+1 −1
Original line number Diff line number Diff line
@@ -1305,7 +1305,7 @@ void amdgpu_bo_release_notify(struct ttm_buffer_object *bo) 
	if (bo->base.resv == &bo->base._resv)

		amdgpu_amdkfd_remove_fence_on_pt_pd_bos(abo);



	if (bo->resource->mem_type != TTM_PL_VRAM ||

	if (!bo->resource || bo->resource->mem_type != TTM_PL_VRAM ||

	    !(abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE) ||

	    adev->in_suspend || adev->shutdown)

		return;

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

+2 −1
Original line number Diff line number Diff line
@@ -471,7 +471,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, 


	adev = amdgpu_ttm_adev(bo->bdev);



	if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {

	if (!old_mem || (old_mem->mem_type == TTM_PL_SYSTEM &&

			 bo->ttm == NULL)) {

		ttm_bo_move_null(bo, new_mem);

		goto out;

	}