drm/nouveau/devinit/gm200: replace while loops with PTIMER-based timeout loops

It appears to be safe to access PTIMER on an unposted board with newer
chipsets.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-11-08 11:54:24 +10:00
commit 920c58a711