[Mesa-dev] [PATCH 1/3] i965: Fix cache pollution race during L3 partitioning set-up.

[Kenneth Graunke]

On Thursday, January 14, 2016 6:37:01 PM PST Francisco Jerez wrote:
> We need to split the stalling flush from the RO cache invalidation
> into a different PIPE_CONTROL command to make sure that the top of the
> pipe invalidation happens after any previous rendering is complete.
> Otherwise it's possible for previous rendering to pollute the L3 cache
> in the short window of time between RO invalidation and the completion
> of the stalling flush.  Fixes rendering artifacts on Unigine Heaven,
> Metro Last Light Redux and Metro 2033 Redux.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93540
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93599
> Tested-by: Darius Spitznagel <d.spitznagel at goodbytez.de>

Series is:
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
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