From: Jerome Glisse <jglisse@redhat.com>
Date: Thu, 31 May 2012 23:00:24 +0000 (-0400)
Subject: drm/radeon: fix HD6790, HD6570 backend programming
X-Git-Tag: v3.5-rc1~12^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95c4b23ec4e2fa5604df229ddf134e31d7b3b378;p=pandora-kernel.git

drm/radeon: fix HD6790, HD6570 backend programming

Without this bit sets we get broken rendering and
lockups.

fglrx sets this bit.

Bugs that should be fixed by this patch :
https://bugs.freedesktop.org/show_bug.cgi?id=49792
https://bugzilla.kernel.org/show_bug.cgi?id=43207
https://bugs.freedesktop.org/show_bug.cgi?id=39282

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

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