Merge tag 'pm+acpi-3.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...

[~andy/linux] / drivers / gpu / drm / ttm / ttm_bo.c

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a066513093880a218d185624589ec07efce66b0b..214b7992a3aa74296eeb2a083b28398c08c3cb4d 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -351,9 +351,11 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 
 moved:
        if (bo->evicted) {
-               ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement);
-               if (ret)
-                       pr_err("Can not flush read caches\n");
+               if (bdev->driver->invalidate_caches) {
+                       ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement);
+                       if (ret)
+                               pr_err("Can not flush read caches\n");
+               }
                bo->evicted = false;
        }