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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
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<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Radeon DPM re-clocking fails after resume from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83262">83262</a>
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<th>Assignee</th>
<td>xorg-driver-ati@lists.x.org
</td>
</tr>
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<th>Summary</th>
<td>Radeon DPM re-clocking fails after resume from suspend
</td>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
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<th>Reporter</th>
<td>wittyman37@yahoo.com
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>Driver/Radeon
</td>
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<th>Product</th>
<td>xorg
</td>
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<p>
<div>
<pre>I noticed that when I suspend my machine, resume, and then play openGL games
like Dota 2 or L4D2 that the performance is not as good as a fresh boot. The
framerates are reduced and the overall experience is less smooth. I am using
the open source radeon graphics drivers with a Saphire R7 260X and Arch Linux
64-bit with Cinnamon desktop. I had a similar issue with my HD6670 graphics
card.
It seems like dpm (dynamic power management) is not enabled after resuming from
suspend. When running `cat /sys/kernel/debug/dri/64/radeon_pm_info` my system
should move from mclk: 15000 to mclk:150000 when running Dota 2 or L4D2, but
this does not happen after I have resumed from suspend unless I reboot.
I have had this issue since at least the 3.14 kernel and still have this issue
with the the latest stable 3.16.1 kernel, xf86-video-ati 1:7.4.0-3 and mesa
10.2.6-1.</pre>
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</p>
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