[Bug 91880] Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91880

--- Comment #164 from Thomas DEBESSE <dev at illwieckz.net> ---
(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.

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