bunch of gpu config (#23932)

Co-authored-by: Comma Device <device@comma.ai>
old-commit-hash: aeb98b3937

selfdrive/hardware/tici/hardware.py

@@ -54,6 +54,11 @@ NetworkStrength = log.DeviceState.NetworkStrength
 MM_MODEM_ACCESS_TECHNOLOGY_UMTS = 1 << 5
 MM_MODEM_ACCESS_TECHNOLOGY_LTE = 1 << 14
 
+
+def sudo_write(val, path):
+  os.system(f"sudo su -c 'echo {val} > {path}'")
+
+
 class Tici(HardwareBase):
   @cached_property
   def bus(self):
@@ -390,18 +395,16 @@ class Tici(HardwareBase):
     if not powersave_enabled:
       self.amplifier.initialize_configuration()
 
+    # *** CPU config ***
+
     # offline big cluster, leave core 4 online for boardd
     for i in range(5, 8):
-      # TODO: fix permissions with udev
       val = "0" if powersave_enabled else "1"
-      os.system(f"sudo su -c 'echo {val} > /sys/devices/system/cpu/cpu{i}/online'")
+      sudo_write(val, f"/sys/devices/system/cpu/cpu{i}/online")
 
     for n in ('0', '4'):
-      gov = 'userspace' if powersave_enabled else 'performance'
+      gov = 'ondemand' if powersave_enabled else 'performance'
-      os.system(f"sudo su -c 'echo {gov} > /sys/devices/system/cpu/cpufreq/policy{n}/scaling_governor'")
+      sudo_write(gov, f"/sys/devices/system/cpu/cpufreq/policy{n}/scaling_governor")
-
-      if powersave_enabled:
-        os.system(f"sudo su -c 'echo 979200 > /sys/devices/system/cpu/cpufreq/policy{n}/scaling_setspeed'")
 
   def get_gpu_usage_percent(self):
     try:
@@ -416,9 +419,19 @@ class Tici(HardwareBase):
     # Allow thermald to write engagement status to kmsg
     os.system("sudo chmod a+w /dev/kmsg")
 
+    # *** GPU config ***
+    sudo_write("0", "/sys/class/kgsl/kgsl-3d0/min_pwrlevel")
+    sudo_write("0", "/sys/class/kgsl/kgsl-3d0/max_pwrlevel")
+    sudo_write("1", "/sys/class/kgsl/kgsl-3d0/force_bus_on")
+    sudo_write("1", "/sys/class/kgsl/kgsl-3d0/force_clk_on")
+    sudo_write("1", "/sys/class/kgsl/kgsl-3d0/force_rail_on")
+    sudo_write("1000000", "/sys/class/kgsl/kgsl-3d0/idle_timer")
+    sudo_write("performance", "/sys/class/kgsl/kgsl-3d0/devfreq/governor")
+
     # setup governors
-    os.system("sudo su -c 'echo performance > /sys/class/devfreq/soc:qcom,memlat-cpu0/governor'")
+    sudo_write("performance", "/sys/class/devfreq/soc:qcom,cpubw/governor")
-    os.system("sudo su -c 'echo performance > /sys/class/devfreq/soc:qcom,memlat-cpu4/governor'")
+    sudo_write("performance", "/sys/class/devfreq/soc:qcom,memlat-cpu0/governor")
+    sudo_write("performance", "/sys/class/devfreq/soc:qcom,memlat-cpu4/governor")
 
   def get_networks(self):
     r = {}