[PATCH 08/11] drm/nouveau: audit bo->resource usage

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

Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/nouveau/nouveau_bo.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 43c862bbbbfb..5b937d68a291 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1003,7 +1003,8 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, }

/* Fake bo copy. */ - if (old_reg->mem_type == TTM_PL_SYSTEM && !bo->ttm) { + if (!old_reg || (old_reg->mem_type == TTM_PL_SYSTEM && + !bo->ttm)) { ttm_bo_move_null(bo, new_reg); goto out; }