From c1cb971bcaf622681aefd1fc87f95f808d758821 Mon Sep 17 00:00:00 2001
From: Adeeb Shihadeh <adeebshihadeh@gmail.com>
Date: Fri, 24 Oct 2025 21:34:37 -0700
Subject: [PATCH] hardwared: disable power save when screen is on (#36466)

---
 system/hardware/hardwared.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/system/hardware/hardwared.py b/system/hardware/hardwared.py
index 1dce99273..4d52d7841 100755
--- a/system/hardware/hardwared.py
+++ b/system/hardware/hardwared.py
@@ -195,6 +195,7 @@ def hardware_thread(end_event, hw_queue) -> None:
   should_start_prev = False
   in_car = False
   engaged_prev = False
+  pwrsave = False
   offroad_cycle_count = 0
 
   params = Params()
@@ -341,7 +342,6 @@ def hardware_thread(end_event, hw_queue) -> None:
     if should_start != should_start_prev or (count == 0):
       params.put_bool("IsEngaged", False)
       engaged_prev = False
-      HARDWARE.set_power_save(not should_start)
 
     if sm.updated['selfdriveState']:
       engaged = sm['selfdriveState'].enabled
@@ -355,6 +355,11 @@ def hardware_thread(end_event, hw_queue) -> None:
       except Exception:
         pass
 
+    should_pwrsave = not onroad_conditions["ignition"] and msg.deviceState.screenBrightnessPercent < 1e-3
+    if should_pwrsave != pwrsave or (count == 0):
+      HARDWARE.set_power_save(should_pwrsave)
+    pwrsave = should_pwrsave
+
     if should_start:
       off_ts = None
       if started_ts is None: