From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Thu, 23 Jul 2009 17:00:28 +0000 (+0800)
Subject: drm/i915: disable VGA plane reliably
X-Git-Tag: v2.6.31-rc6~37^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24f119c769bacac5729297b682fec7811a983cc6;p=pandora-kernel.git

drm/i915: disable VGA plane reliably

This does VGA disable like DDX driver. SR01 bit 5 should be set
before VGA plane disable through control register, otherwise we
might get random crash and lockups.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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