drm/radeon: properly lock disp in mc_stop/resume for r5xx-r7xx
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 10 Apr 2013 13:47:05 +0000 (09:47 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 22 Apr 2013 14:39:07 +0000 (10:39 -0400)
Need to wait for the new addresses to take affect before
re-enabling the MC.

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

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