From: Kenneth Graunke <kenneth@whitecape.org>
Date: Wed, 8 Feb 2012 20:53:52 +0000 (-0800)
Subject: drm/i915: gen7: Disable the RHWO optimization as it can cause GPU hangs.
X-Git-Tag: v3.3-rc5~22^2~3^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d71de14ddf423ccc9a2e3f7e37553c99ead20d7c;p=pandora-kernel.git

drm/i915: gen7: Disable the RHWO optimization as it can cause GPU hangs.

The BSpec Workarounds page states that bits 10 and 26 must be set to
avoid 3D ring hangs.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41353
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44610
Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

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