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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Powersaving don't work on second card"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64950">64950</a>
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<th>Assignee</th>
<td>xorg-driver-ati@lists.x.org
</td>
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<th>Summary</th>
<td>Powersaving don't work on second card
</td>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Reporter</th>
<td>lexa@cfotr.com
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<th>Hardware</th>
<td>x86-64 (AMD64)
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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
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<th>Product</th>
<td>xorg
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=79751" name="attach_79751" title="dmesg from machine with two cards.">attachment 79751</a> <a href="attachment.cgi?id=79751&action=edit" title="dmesg from machine with two cards.">[details]</a></span>
dmesg from machine with two cards.
I have a laptop with two ati cards:
Mobility Radeon HD 6620G
Radeon HD 6400M
Enabled powersave mode on both cards:
#echo dynpm > /sys/class/drm/card0/device/power_method
#echo dynpm > /sys/class/drm/card1/device/power_method
Clock speed on the first card reduced almost immediatly:
#cat /sys/kernel/debug/dri/0/radeon_pm_info
default engine clock: 200000 kHz
current engine clock: 7990 kHz
default memory clock: 667000 kHz
But second card don't react at all:
#cat /sys/kernel/debug/dri/1/radeon_pm_info
default engine clock: 800000 kHz
current engine clock: 799940 kHz
default memory clock: 800000 kHz
current memory clock: 799870 kHz
voltage: 900 mV</pre>
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