diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 99518a826435..fef43f4e3bac 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -266,8 +266,8 @@ static int udl_aligned_damage_clip(struct drm_rect *clip, int x, int y,
 	return 0;
 }
 
-int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
-		      int width, int height)
+static int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
+			     int width, int height)
 {
 	struct drm_device *dev = fb->dev;
 	struct dma_buf_attachment *import_attach = fb->obj[0]->import_attach;