From: Eric Anholt <eric@anholt.net>
Date: Tue, 1 Dec 2009 19:56:30 +0000 (-0800)
Subject: drm/i915: Fix DDC on some systems by clearing BIOS GMBUS setup.
X-Git-Tag: v2.6.33-rc1~323^2~5^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0217c42c9ab3d772e543f635ce628b9478f70b6;p=pandora-kernel.git

drm/i915: Fix DDC on some systems by clearing BIOS GMBUS setup.

This is a sync of a fix I made in the old UMS code.  If the BIOS uses
the GMBUS and doesn't clear that setup, then our bit-banging I2C can
fail, leading to monitors not being detected.

Signed-off-by: Eric Anholt <eric@anholt.net>
---

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