drm/radeon/atom: add helper to calcuate mpll params

There's a new table for calculating the memory pll
parameters on SI.  Required for SI DPM support.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-02-13 16:38:25 -05:00
commit eaa778aff0
3 changed files with 79 additions and 0 deletions