diff --git a/src/sna/sna_render.c b/src/sna/sna_render.c
index bba7c942..1787ffae 100644
--- a/src/sna/sna_render.c
+++ b/src/sna/sna_render.c
@@ -2370,6 +2370,9 @@ use_gtt:
 		if (dst == NULL || src == NULL)
 			return false;
 
+		kgem_bo_sync__gtt(&sna->kgem, dst_bo);
+		kgem_bo_sync__gtt(&sna->kgem, src_bo);
+
 		detile = NULL;
 	} else {
 		if (dst == dst_bo->map__wc)