From: Grégoire Henry <Gregoire.Henry@pps.jussieu.fr>
Date: Tue, 23 Jun 2009 13:41:02 +0000 (+0200)
Subject: drm/i915: initialize fence registers to zero when loading GEM
X-Git-Tag: v2.6.31-rc2~85^2~1^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b5aa8a0fc132dd512c33e7c2621d075e3b77a65e;p=pandora-kernel.git

drm/i915: initialize fence registers to zero when loading GEM

Unitialized fence register could leads to corrupted display. Problem
encountered on MacBooks (revision 1 and 2), directly booting from EFI
or through BIOS emulation.

(bug #21710 at freedestop.org)

Signed-off-by: Grégoire Henry <henry@pps.jussieu.fr>
Signed-off-by: Eric Anholt <eric@anholt.net>
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