Index: uspace/lib/gfx/src/render.c
===================================================================
--- uspace/lib/gfx/src/render.c	(revision 266ec54acdd67b4f0e7d168c473eb06cef24b0c7)
+++ uspace/lib/gfx/src/render.c	(revision 36795edf59b53d3f30384d83e6a8042eec3ea891)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2019 Jiri Svoboda
+ * Copyright (c) 2021 Jiri Svoboda
  * All rights reserved.
  *
@@ -63,4 +63,18 @@
 }
 
+/** Update display.
+ *
+ * Finish any deferred rendering.
+ *
+ * @param gc Graphic context
+ *
+ * @return EOK on success, ENOMEM if insufficient resources,
+ *         EIO if grahic device connection was lost
+ */
+errno_t gfx_update(gfx_context_t *gc)
+{
+	return gc->ops->update(gc->arg);
+}
+
 /** @}
  */