From 63af82cf5e36b6ba3f3ebcdd1edd9f91934bfa59 Mon Sep 17 00:00:00 2001 From: Christian König Date: Fri, 17 Dec 2021 16:13:09 +0100 Subject: drm/amdgpu: audit bo->resource usage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make sure we can at least move and release BOs without backing store. Signed-off-by: Christian König Reviewed-by: Michael J. Ruhl Link: https://patchwork.freedesktop.org/patch/msgid/20220707102453.3633-3-christian.koenig@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index be6f76a30ac6..3bddf266e8b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -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; } -- cgit v1.2.3-70-g09d2