diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 960e83c8291d..07350361fc4b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -1444,6 +1444,8 @@ static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon *tcon,
 		}
 	}
 
+	put_device(&pdev->dev);
+
 	return 0;
 }