#!/bin/bash
# Arch R - Performance Governor (Max)
# Sets CPU, GPU, and DMC to maximum performance
# Based on dArkOS perfmax for RK3326

gpu="ff400000"
DMC_GOV="/sys/devices/platform/dmc/devfreq/dmc/governor"

# Make governor files writable
chmod 666 /sys/devices/platform/${gpu}.gpu/devfreq/${gpu}.gpu/governor 2>/dev/null
chmod 666 /sys/devices/system/cpu/cpufreq/policy0/scaling_governor 2>/dev/null
[ -f "$DMC_GOV" ] && chmod 666 "$DMC_GOV" 2>/dev/null

if [[ "$1" == "powersave" ]]; then
  echo "userspace" > /sys/devices/platform/${gpu}.gpu/devfreq/${gpu}.gpu/governor
  echo "400000000" > /sys/devices/platform/${gpu}.gpu/devfreq/${gpu}.gpu/userspace/set_freq 2>/dev/null
  echo "userspace" > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
  echo "1008000" > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed 2>/dev/null
  [ -f "$DMC_GOV" ] && echo "userspace" > "$DMC_GOV"
  echo "528000000" > /sys/devices/platform/dmc/devfreq/dmc/userspace/set_freq 2>/dev/null
elif [[ "$1" == "ondemand" ]]; then
  echo simple_ondemand > /sys/devices/platform/${gpu}.gpu/devfreq/${gpu}.gpu/governor
  echo ondemand > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
  [ -f "$DMC_GOV" ] && echo dmc_ondemand > "$DMC_GOV"
  if [ "$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_governor)" == "ondemand" ]; then
    echo 85 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold 2>/dev/null
    echo 150 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_down_factor 2>/dev/null
  fi
elif [[ -n "$1" ]]; then
  echo "$1" > /sys/devices/platform/${gpu}.gpu/devfreq/${gpu}.gpu/governor
  echo "$1" > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
  [ -f "$DMC_GOV" ] && echo "$1" > "$DMC_GOV"
else
  echo "performance" > /sys/devices/platform/${gpu}.gpu/devfreq/${gpu}.gpu/governor
  echo "performance" > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
  [ -f "$DMC_GOV" ] && echo "performance" > "$DMC_GOV"
fi