From: Francisco Jerez <currojerez@riseup.net>
Date: Wed, 2 Oct 2013 22:53:16 +0000 (-0700)
Subject: drm/i915/hsw: Disable L3 caching of atomic memory operations.
X-Git-Tag: v3.12-rc5~14^2~6^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3fc4884ebe6ae649d3723be14b219230d3b7fd2;p=pandora-kernel.git

drm/i915/hsw: Disable L3 caching of atomic memory operations.

Otherwise using any atomic memory operation will lock up the GPU due
to a Haswell hardware bug.

v2: Use the _MASKED_BIT_ENABLE macro.  Drop drm parameter definition.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: <stable@vger.kernel.org>
[danvet: Fix checkpatch fail.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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