drm/radeon: fix MC blackout on evergreen+
authorChristopher Staite <chris@yourdreamnet.co.uk>
Sat, 26 Jan 2013 16:10:58 +0000 (11:10 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 28 Jan 2013 03:38:43 +0000 (22:38 -0500)
commitbb588820ef421c6098dca1fec29c3b347f1c8c19
treeca8a316afd6cb49b71980f9c63aa56e462cd4339
parent483674325f64a37c7696edb12ce6ad3e535421bc
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
drivers/gpu/drm/radeon/evergreen.c