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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNA HSW] Corruption in OpenGL video output and DDX with VGA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95414#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNA HSW] Corruption in OpenGL video output and DDX with VGA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95414">bug 95414</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>Hopefully
commit a508b11bde9f3119b49b3e0f652587efb9e037af
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Tue May 17 07:55:03 2016 +0100
sna: Don't skip migration-to-GPU for TearFree
In 46caee86db0f ("sna: Fix reporting of errno after setcrtc failure"),
the intention was to avoid reporting a fail to migrate whilst wedged for
a simple copy from the frontbuffer to TearFree's shadow buffer. However,
by skipping the migration, we never flushed any dirt from the CPU buffer
prior to doing the TearFree flip.
References: <a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB bisected] assert_scanout:531 assertion 'width == info.width && height == info.height' failed"
href="show_bug.cgi?id=95401#c7">https://bugs.freedesktop.org/show_bug.cgi?id=95401#c7</a>
References: <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNA HSW] Corruption in OpenGL video output and DDX with VGA"
href="show_bug.cgi?id=95414#c4">https://bugs.freedesktop.org/show_bug.cgi?id=95414#c4</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
fixes the TearFree glitches.</pre>
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