diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
index 76b50b6c98ad..a20a2c408127 100644
--- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
+++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c
@@ -313,7 +313,7 @@ static void path_set_mode(struct mmp_path *path, struct mmp_mode *mode)
 	mutex_unlock(&path->access_ok);
 }
 
-static struct mmp_overlay_ops mmphw_overlay_ops = {
+static const struct mmp_overlay_ops mmphw_overlay_ops = {
 	.set_fetch = overlay_set_fetch,
 	.set_onoff = overlay_set_onoff,
 	.set_win = overlay_set_win,
diff --git a/include/video/mmp_disp.h b/include/video/mmp_disp.h
index a722dcbf5073..41354bd49895 100644
--- a/include/video/mmp_disp.h
+++ b/include/video/mmp_disp.h
@@ -156,7 +156,7 @@ struct mmp_overlay {
 	int status;
 	struct mutex access_ok;
 
-	struct mmp_overlay_ops *ops;
+	const struct mmp_overlay_ops *ops;
 };
 
 /* panel type */
@@ -299,7 +299,7 @@ struct mmp_path_info {
 	int overlay_num;
 	void (*set_mode)(struct mmp_path *path, struct mmp_mode *mode);
 	void (*set_onoff)(struct mmp_path *path, int status);
-	struct mmp_overlay_ops *overlay_ops;
+	const struct mmp_overlay_ops *overlay_ops;
 	void *plat_data;
 };