From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 22 Sep 2011 14:47:23 +0000 (-0400)
Subject: drm/radeon/kms: fix DDIA enable on some rs690 systems
X-Git-Tag: v3.1-rc8~16^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fdfc61594e6de21c23f955818ef78bcab9bafe40;p=pandora-kernel.git

drm/radeon/kms: fix DDIA enable on some rs690 systems

DVOOutputControl checks the value of of bios scratch reg 3
on some tables and assumes the encoder is already enabled
if the DFP2_ACTIVE bit is set.  Clear that bit so the table
sets the DDIA enable bit properly.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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