Merge remote-tracking branches 'spi/topic/sunxi', 'spi/topic/tegra114', 'spi/topic...

[cascardo/linux.git] / 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 a066513..214b799 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;
        }