drm/radeon/dpm: add a helper to encode pcie lane setting

convert from number of lanes to register setting.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-05-15 17:25:03 -04:00
commit 61fb192a1c
2 changed files with 11 additions and 0 deletions