[Bug 79806] Performance degradation after resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79806

--- Comment #5 from Gabor Enyedi <enyecz at gmail.com> ---
One more! If you (or anyone else) don't have the same card, but have some
similar issue, you should check if the problem is the same or not (i.e. that
the card does not turn up performance, when needed). Give some 3D load (e.g.
glmark2), and check /sys/kernel/debug/dri/64/radeon_pm_info.(In reply to
comment #3)
> > Workaround: when resume, execute "echo auto >
> > /sys/class/drm/card0/device/power_dpm_force_performance_level".
> 
> How did you do that? It gives me "echo: write error: Invalid argument" on
> kernel 3.15

One more! If you (or anyone else) don't have the same card, but have some
similar issue, you should check if the problem is the same or not (i.e. that
the card does not turn up performance, when needed). Give some 3D load (e.g.
glmark2), and check /sys/kernel/debug/dri/64/radeon_pm_info.

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