From c01b8be9682f54d7305c79ed7f2c8f2812bcc486 Mon Sep 17 00:00:00 2001
From: Daniel Koepping <elkoled@gmail.com>
Date: Wed, 3 Jun 2026 19:35:51 -0700
Subject: [PATCH] set max cpu core frequency (#38132)

cap cpu core frequency
---
 system/hardware/tici/hardware.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/system/hardware/tici/hardware.py b/system/hardware/tici/hardware.py
index 34c426d6e7..35bed55721 100644
--- a/system/hardware/tici/hardware.py
+++ b/system/hardware/tici/hardware.py
@@ -313,6 +313,9 @@ class Tici(HardwareBase):
         continue
       gov = 'ondemand' if powersave_enabled else 'performance'
       sudo_write(gov, f'/sys/devices/system/cpu/cpufreq/policy{n}/scaling_governor')
+      if not powersave_enabled:
+        # cap max core freq to 1689 Mhz
+        sudo_write('1689600', f'/sys/devices/system/cpu/cpufreq/policy{n}/scaling_max_freq')
 
     # *** IRQ config ***