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<body><span class="vcard"><a class="email" href="mailto:deathsimple@vodafone.de" title="Christian König <deathsimple@vodafone.de>"> <span class="fn">Christian König</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - VDPAU: videos slow to a crawl when more than 1 video is playing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81579">bug 81579</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTABUG
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - VDPAU: videos slow to a crawl when more than 1 video is playing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81579#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - VDPAU: videos slow to a crawl when more than 1 video is playing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81579">bug 81579</a>
from <span class="vcard"><a class="email" href="mailto:deathsimple@vodafone.de" title="Christian König <deathsimple@vodafone.de>"> <span class="fn">Christian König</span></a>
</span></b>
<pre><span class="quote">>[ 1.093019] == power state 2 ==
>[ 1.093019] ui class: none
>[ 1.093020] internal class: uvd
>[ 1.093021] caps: video
>[ 1.093022] uvd vclk: 48000 dclk: 38000
>[ 1.093023] power level 0 sclk: 50000 mclk: 80000 vddc: 1000
>[ 1.093024] power level 1 sclk: 50000 mclk: 80000 vddc: 1000
>[ 1.093025] power level 2 sclk: 50000 mclk: 80000 vddc: 1000</span >
The power table indeed has only a single UVD performance level and that doesn't
looks like it is suitable for handling two 1080p streams at the same time.
You need at least a vclk of 533Mhz and a dclk of 400Mhz for that. You can try
to hack into the kernel and overclock the UVD block, but I don't advise to do
so. OEMs usually have a good reason for limiting the clocks to a lower level.
Anyway that's clearly not a driver bug, cause the kernel does what it is
supposed to do.</pre>
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