drm/radeon: update radeon_atombios_get_default_voltages for mvdd

Add a way to look up the bootup mvdd.  Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-03-25 12:47:23 -04:00
commit 2abba66e7a
5 changed files with 14 additions and 11 deletions