drm/ttm: fix adding foreign BOs to the swap LRU
authorChristian König <christian.koenig@amd.com>
Mon, 11 Jan 2016 14:35:19 +0000 (15:35 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 13 Jan 2016 17:19:52 +0000 (12:19 -0500)
It doesn't make any sense to try to swap out imported BOs.

Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/ttm/ttm_bo.c

index a98a5d5d756db6a3b608bd614bbd20910dd59088..3ea9a01c960cfcb327a8917ce0594dc04645d238 100644 (file)
@@ -176,7 +176,7 @@ void ttm_bo_add_to_lru(struct ttm_buffer_object *bo)
                list_add_tail(&bo->lru, &man->lru);
                kref_get(&bo->list_kref);
 
-               if (bo->ttm != NULL) {
+               if (bo->ttm && !(bo->ttm->page_flags & TTM_PAGE_FLAG_SG)) {
                        list_add_tail(&bo->swap, &bo->glob->swap_lru);
                        kref_get(&bo->list_kref);
                }