drm/nouveau: implement parsing of DCB 2.2 GPIO table

Found on NV3x boards, this should allow voltage modifications to work
on these chipsets.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-09-20 10:06:50 +10:00
commit e49f70f775