diff --git a/msm/dp/dp_display.c b/msm/dp/dp_display.c
index f24341f113..d8bb0a0714 100644
--- a/msm/dp/dp_display.c
+++ b/msm/dp/dp_display.c
@@ -1125,10 +1125,8 @@ static int dp_display_usbpd_disconnect_cb(struct device *dev)
 
 	dp_display_state_remove(DP_STATE_CONFIGURED);
 
-	mutex_lock(&dp->session_lock);
 	if (dp->debug->psm_enabled && dp_display_state_is(DP_STATE_READY))
 		dp->link->psm_config(dp->link, &dp->panel->link_info, true);
-	mutex_unlock(&dp->session_lock);
 
 	dp_display_disconnect_sync(dp);