diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index a561ad15edea..d37b83f40efc 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -175,21 +175,21 @@ int drm_panel_notifier_register(struct drm_panel *panel,
 {
 	return blocking_notifier_chain_register(&panel->nh, nb);
 }
-EXPORT_SYMBOL(drm_panel_notifier_register);
+EXPORT_SYMBOL_GPL(drm_panel_notifier_register);
 
 int drm_panel_notifier_unregister(struct drm_panel *panel,
 	struct notifier_block *nb)
 {
 	return blocking_notifier_chain_unregister(&panel->nh, nb);
 }
-EXPORT_SYMBOL(drm_panel_notifier_unregister);
+EXPORT_SYMBOL_GPL(drm_panel_notifier_unregister);
 
 int drm_panel_notifier_call_chain(struct drm_panel *panel,
 	unsigned long val, void *v)
 {
 	return blocking_notifier_call_chain(&panel->nh, val, v);
 }
-EXPORT_SYMBOL(drm_panel_notifier_call_chain);
+EXPORT_SYMBOL_GPL(drm_panel_notifier_call_chain);
 
 MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
 MODULE_DESCRIPTION("DRM panel infrastructure");