drm/i915/lvds: Unlock the PP register when panel-fitting

As we do not wait for the panel to turn off when we need to adjust the
panel-fitting registers we also need to unlock the PLLs as with the
non-pfit update path.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-09-21 14:06:12 +01:00
commit 4fd21dc8ee