diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 578ebbbcb81bc9cf670619a8a488df0919cf20dd..14bbaa33b4770c3bbab2caa4d411b2982094f040 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -229,7 +229,7 @@ static struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = {
 	.fb_probe =	exynos_drm_fbdev_create,
 };
 
-bool exynos_drm_fbdev_is_anything_connected(struct drm_device *dev)
+static bool exynos_drm_fbdev_is_anything_connected(struct drm_device *dev)
 {
 	struct drm_connector *connector;
 	bool ret = false;