drm/ttm: use pin_count more extensively

Check the pin_count instead of the lru list is empty here.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Link: https://patchwork.freedesktop.org/patch/404617/

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 2196e3d..c702ec5 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -938,9 +938,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
        }
 
 error:
-       if (bo->mem.mem_type == TTM_PL_SYSTEM && !list_empty(&bo->lru)) {
+       if (bo->mem.mem_type == TTM_PL_SYSTEM && !bo->pin_count)
                ttm_bo_move_to_lru_tail_unlocked(bo);
-       }
 
        return ret;
 }