diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index bb5ccd5b0386..b0bb08a66b01 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -311,8 +311,10 @@ static int mtk_mmsys_probe(struct platform_device *pdev)
 
 	drm = platform_device_register_data(&pdev->dev, "mediatek-drm",
 					    PLATFORM_DEVID_AUTO, NULL, 0);
-	if (IS_ERR(drm))
+	if (IS_ERR(drm)) {
+		platform_device_unregister(clks);
 		return PTR_ERR(drm);
+	}
 
 	return 0;
 }