diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index e923d9f90ee62f673d55c29bc001ebf3a94b0f25..e85ec05238ab312bd35eccaed883e0d3723c8166 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -1035,6 +1035,9 @@ int dss_mgr_enable(struct omap_overlay_manager *mgr)
 	if (!mgr_manual_update(mgr))
 		mp->updating = true;
 
+	if (!dss_data.irq_enabled && need_isr())
+		dss_register_vsync_isr();
+
 	spin_unlock_irqrestore(&data_lock, flags);
 
 	if (!mgr_manual_update(mgr))