I set CPU scaling_governor to schedutil for powersave.
echo schedutil > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
echo schedutil > /sys/devices/system/cpu/cpufreq/policy1/scaling_governor
echo schedutil > /sys/devices/system/cpu/cpufreq/policy3/scaling_governor
I found after laptop wake up from suspend.
/sys/devices/system/cpu/cpufreq/policy1/scaling_max_freq
/sys/devices/system/cpu/cpufreq/policy3/scaling_max_freq
will be set to lowest 408000. That makes laptop quite laggy.
Maybe its a bug in Kernel?
I made a workaroud.
sudo mkdir /usr/lib/systemd/system-sleep/
sudo vim /usr/lib/systemd/system-sleep/cpu_freq
File: /usr/lib/systemd/system-sleep/cpu_freq
#!/bin/sh
case $1/$2 in
pre/*)
echo "Going to $2..."
# Place your pre suspend commands here, or `exit 0` if no pre suspend action required
echo schedutil > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
echo schedutil > /sys/devices/system/cpu/cpufreq/policy1/scaling_governor
echo schedutil > /sys/devices/system/cpu/cpufreq/policy3/scaling_governor
echo 1800000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_max_freq
echo 408000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
echo 2352000 > /sys/devices/system/cpu/cpufreq/policy1/scaling_max_freq
echo 408000 > /sys/devices/system/cpu/cpufreq/policy1/scaling_min_freq
echo 2256000 > /sys/devices/system/cpu/cpufreq/policy3/scaling_max_freq
echo 408000 > /sys/devices/system/cpu/cpufreq/policy3/scaling_min_freq
echo simple_ondemand > /sys/devices/platform/fb000000.gpu/devfreq/fb000000.gpu/governor
;;
post/*)
echo "Waking up from $2..."
# Place your post suspend (resume) commands here, or `exit 0` if no post suspend action required
sleep 2
echo schedutil > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
echo schedutil > /sys/devices/system/cpu/cpufreq/policy1/scaling_governor
echo schedutil > /sys/devices/system/cpu/cpufreq/policy3/scaling_governor
echo 1800000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_max_freq
echo 408000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
echo 2352000 > /sys/devices/system/cpu/cpufreq/policy1/scaling_max_freq
echo 408000 > /sys/devices/system/cpu/cpufreq/policy1/scaling_min_freq
echo 2256000 > /sys/devices/system/cpu/cpufreq/policy3/scaling_max_freq
echo 408000 > /sys/devices/system/cpu/cpufreq/policy3/scaling_min_freq
echo simple_ondemand > /sys/devices/platform/fb000000.gpu/devfreq/fb000000.gpu/governor
;;
esac
make it work
sudo chmod 755 /usr/lib/systemd/system-sleep/cpu_freq