diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
index cd05c76868e3c4e1f71af84365101fb1a5682e7d..7d556b1bfa82c2d4bfd5de1cef26d54b8e2af12f 100644
--- a/drivers/gpu/drm/panel/panel-edp.c
+++ b/drivers/gpu/drm/panel/panel-edp.c
@@ -429,8 +429,7 @@ static int panel_edp_unprepare(struct drm_panel *panel)
 	if (!p->prepared)
 		return 0;
 
-	pm_runtime_mark_last_busy(panel->dev);
-	ret = pm_runtime_put_autosuspend(panel->dev);
+	ret = pm_runtime_put_sync_suspend(panel->dev);
 	if (ret < 0)
 		return ret;
 	p->prepared = false;