From b13f5e632814c6ebb159a325331fd74da3a68066 Mon Sep 17 00:00:00 2001
From: Adeeb Shihadeh <adeebshihadeh@gmail.com>
Date: Fri, 23 Jul 2021 22:14:44 -0700
Subject: [PATCH] UI: maintain frequency before vipc is connected (#21704)

Co-authored-by: Comma Device <device@comma.ai>
---
 selfdrive/ui/ui.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/selfdrive/ui/ui.cc b/selfdrive/ui/ui.cc
index d963229a81..bb0c0c85a7 100644
--- a/selfdrive/ui/ui.cc
+++ b/selfdrive/ui/ui.cc
@@ -224,6 +224,8 @@ static void update_vision(UIState *s) {
     } else if (!Hardware::PC()) {
       LOGE("visionIPC receive timeout");
     }
+  } else if (s->scene.started) {
+    util::sleep_for(1000. / UI_FREQ);
   }
 }