(In reply to Jon Doane from comment #159) > I've literally been doing: > "echo high > /sys/class/device/drm/card0/power_dpm_force_performance_level" > every day to boot my machine for over a year See comment 55 if your system is running systemd, you can use this service: https://github.com/illwieckz/dpm-query/ It will do it for you at startup, it's painless and I'm using it since 19 months without any issue.