drm/nv50: use pll type rather than register for CRTC PLL

Just in case someone, somewhere, does something difficult.  This also
removes one path that was different between fermi and non-fermi.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-09-24 09:17:02 +10:00
commit 5b32165b04