drm/radeon/atom: add consolidate bpc code

Several encoder setup functions had the same duplicated
code for selecting the proper bpc setting for various
atom tables.  Consolidate it.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-08-17 10:31:34 -04:00
commit 1f0e294353