diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 0fefc68372b93ca326b9c194f4529fd201b6161c..52a5940a3773c2f73e5585abda2c09cf01be7875 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -1302,7 +1302,7 @@ int dss_mgr_unset_device(struct omap_overlay_manager *mgr)
 }
 
 static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr,
-		struct omap_video_timings *timings)
+		const struct omap_video_timings *timings)
 {
 	struct mgr_priv_data *mp = get_mgr_priv(mgr);
 
@@ -1311,7 +1311,7 @@ static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr,
 }
 
 void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
-		struct omap_video_timings *timings)
+		const struct omap_video_timings *timings)
 {
 	unsigned long flags;
 
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index f67afe76f217f01c1aea097b49e26fefd0af0ce2..3682e3f78426a89c8dc27973a8b3ebd2d05c8273 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -206,7 +206,7 @@ int dss_mgr_set_device(struct omap_overlay_manager *mgr,
 		struct omap_dss_device *dssdev);
 int dss_mgr_unset_device(struct omap_overlay_manager *mgr);
 void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
-		struct omap_video_timings *timings);
+		const struct omap_video_timings *timings);
 void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
 		const struct dss_lcd_mgr_config *config);
 const struct omap_video_timings *dss_mgr_get_timings(struct omap_overlay_manager *mgr);