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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [snb] vsync hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68718">bug 68718</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>NEEDINFO
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [snb] vsync hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68718#c33">Comment # 33</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [snb] vsync hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68718">bug 68718</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Spotted a different hw w/a mentioned in bspec:
commit d247cb7d0cdb73736f31612157e47f166af68ba0
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Mon Dec 8 10:07:25 2014 +0000
sna/gen6: Poke PSMI control around WAIT_FOR_EVENT to prevent idling
The bspec recommends preventing the hardware from going to sleep around
a WAIT_FOR_EVENT, and tells us to use disable sleep bit in PSMI control
to accomplish this.
References: <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [snb rc6] 2.21.3, Linux 3.8.1, SNA: hard lockup when watching videos with MPlayer"
href="show_bug.cgi?id=62373">https://bugs.freedesktop.org/show_bug.cgi?id=62373</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Hopefully that does the trick.</pre>
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