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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [bisected ivb] Small black box corruption in firefox"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68410#c56">Comment # 56</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [bisected ivb] Small black box corruption in firefox"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68410">bug 68410</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>Hmm, just hit an oddity on gen6 that seems relevant to this bug:
commit 82e6d41c2f4f343bd1854d3d8ee4b624b5d68971
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Thu Oct 31 13:35:59 2013 +0000
sna/gen6: Tweak flush around CC state changes
In order to fix some font corruption, it appears that we need an extra
flush in the Sandybridge pipeline when we change the CC stage and the
render cache is dirty. We previously triggered a full pipeline stall
for this case.</pre>
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