diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 0b2ae47eb52ca7728c6c17301262acdae6310b4e..cf83f6507ec8211566f87cbf4878e5d76c3eff0b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -217,7 +217,6 @@ static int mtk_drm_kms_init(struct drm_device *drm)
 	if (ret < 0)
 		goto err_component_unbind;
 
-	drm->vblank_disable_allowed = true;
 	drm_kms_helper_poll_init(drm);
 	drm_mode_config_reset(drm);