[PATCH 2/5] drm/ttm: fix adding foreign BOs to the swap LRU

[Christian König]

From: Christian König <christian.koenig at amd.com>

It doesn't make any sense to try to swap out imported BOs.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a98a5d5..3ea9a01 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -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);
 		}
-- 
2.5.0