diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index ffda99c20435..7b69f81444eb 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3153,6 +3153,7 @@ static const struct drm_display_mode powertip_ph800480t013_idf02_mode = {
 	.vsync_start = 480 + 49,
 	.vsync_end = 480 + 49 + 2,
 	.vtotal = 480 + 49 + 2 + 22,
+	.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
 };
 
 static const struct panel_desc powertip_ph800480t013_idf02  = {