diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index fada77f04a8c31f27e5946c51f61c1a0d1233b5a..4dd79036776569b9a34a32076f3f4f56f7190e44 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -1044,8 +1044,10 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs,
 	uint32_t signaled_count, i;
 
 	if (flags & (DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT |
-		     DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE))
+		     DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE)) {
+		might_sleep();
 		lockdep_assert_none_held_once();
+	}
 
 	points = kmalloc_array(count, sizeof(*points), GFP_KERNEL);
 	if (points == NULL)