diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index bd87768dd549..7a251a54e792 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -592,7 +592,7 @@ static void inno_hdmi_connector_destroy(struct drm_connector *connector)
 	drm_connector_cleanup(connector);
 }
 
-static struct drm_connector_funcs inno_hdmi_connector_funcs = {
+static const struct drm_connector_funcs inno_hdmi_connector_funcs = {
 	.fill_modes = inno_hdmi_probe_single_connector_modes,
 	.detect = inno_hdmi_connector_detect,
 	.destroy = inno_hdmi_connector_destroy,