From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 79806] Performance degradation after resume
Date: Fri, 04 Jul 2014 17:23:27 +0000 [thread overview]
Message-ID: <bug-79806-502-mfTL9ykhIi@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-79806-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=79806
--- Comment #4 from Gabor Enyedi <enyecz@gmail.com> ---
(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
It simply works without any trick. It also works with stock kernel 3.13. Are
you sure that you have the same ATI card?
What I have found since I have posted the bug is that sometimes (very rarely)
this simple workaround is not enough. Now, I use the following:
echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level
echo battery > /sys/class/drm/card0/device/power_dpm_state
echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level
echo balanced > /sys/class/drm/card0/device/power_dpm_state
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next prev parent reply other threads:[~2014-07-04 17:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-08 20:02 [Bug 79806] New: Performance degradation after resume bugzilla-daemon
2014-06-08 20:03 ` [Bug 79806] " bugzilla-daemon
2014-06-09 5:45 ` bugzilla-daemon
2014-06-26 18:00 ` bugzilla-daemon
2014-06-26 18:11 ` bugzilla-daemon
2014-07-04 17:23 ` bugzilla-daemon [this message]
2014-07-04 17:28 ` bugzilla-daemon
2014-07-15 16:16 ` bugzilla-daemon
2014-07-15 16:17 ` bugzilla-daemon
2014-07-15 16:31 ` bugzilla-daemon
2019-11-19 8:50 ` bugzilla-daemon
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