From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Fri, 23 Jul 2010 22:20:00 +0000 (-0700)
Subject: drm/i915: disable FBC when more than one pipe is active
X-Git-Tag: v2.6.35~33^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c928d168d4030a230a7a5ee1764721d173f1153;p=pandora-kernel.git

drm/i915: disable FBC when more than one pipe is active

We're really supposed to do this to avoid trouble with underflows when
multiple planes are active.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=26987.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: fangxun <xunx.fang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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