drm/radeon: add missing crtc unlock when setting up the MC

commit f0d7bfb940 upstream.

Need to unlock the crtc after updating the blanking state.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
This commit is contained in:
Alex Deucher 2014-11-05 17:14:32 -05:00 • committed by Luis Henriques
commit 9bb78049b8