tree 82e2bd57b1b961f69a5eae4f877e5afeb63b816d
parent f689e3acbd2e48cc4101e0af454193f81af4baaf
author Alex Deucher <alexander.deucher@amd.com> 1359640852 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1359641002 -0500

drm/radeon/evergreen+: wait for the MC to settle after MC blackout

Some chips seem to need a little delay after blacking out
the MC before the requests actually stop.

May fix:
https://bugs.freedesktop.org/show_bug.cgi?id=56139
https://bugs.freedesktop.org/show_bug.cgi?id=57567

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org