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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [sna gen4] corrupt rendering (and flickering on redraw)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=55500#c90">Comment # 90</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [sna gen4] corrupt rendering (and flickering on redraw)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=55500">bug 55500</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>I have pushed a revised workaround to the best of my understanding to
commit 368c909b29758f996dbbdbec4d471df23f60bc04
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Sat Jul 6 22:27:44 2013 +0100
sna/gen4: Restore the flush-every-vertex w/a
This is an abhorrent workaround for some internal GPU brokenness. A
slight refinement since earlier times is the recognition that 16 is a
magic number limiting the maximum number of inflight rectangles through
the GPU.
References: <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [sna gen4] corrupt rendering (and flickering on redraw)"
href="show_bug.cgi?id=55500">https://bugs.freedesktop.org/show_bug.cgi?id=55500</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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