From: Christopher Staite <chris@yourdreamnet.co.uk>
Date: Sat, 26 Jan 2013 16:10:58 +0000 (-0500)
Subject: drm/radeon: fix MC blackout on evergreen+
X-Git-Tag: v3.8-rc7~23^2^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb588820ef421c6098dca1fec29c3b347f1c8c19;p=pandora-kernel.git

drm/radeon: fix MC blackout on evergreen+

Force the crtc mem requests on/off immediately rather
than waiting for the double buffered updates to kick in.
Seems we miss the update in certain conditions.  Also
handle the DCE6 case.

Signed-off-by: Christopher Staite <chris@yourdreamnet.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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