From: Adam Jackson <ajax@redhat.com>
Date: Wed, 14 Mar 2012 15:22:11 +0000 (-0400)
Subject: drm/i915: Don't do MTRR setup if PAT is enabled
X-Git-Tag: v3.5-rc1~83^2~140^2~96
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e984bc1dffd405138ff22356188b6a1677c64c8;p=pandora-kernel.git

drm/i915: Don't do MTRR setup if PAT is enabled

Some newer BIOSes are shipping with all MTRRs already populated.  These
BIOSes are all on machines with sufficiently new CPUs that the
referenced errata doesn't apply anyway, so just don't try to claim the
MTRR.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41648
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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