Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6

Fixes for some locking issues, and fence timeouts.

* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: do not allow negative sizes for now
  drm/nouveau: add falcon interrupt handler
  drm/nouveau: use dedicated channel for async moves on GT/GF chipsets.
  drm/nouveau: bump fence timeout to 15 seconds
  drm/nouveau: do not unpin in nouveau_gem_object_del
  drm/nv50/kms: fix pin refcnt leaks
  drm/nouveau: fix some error-path leaks in fbcon handling code
  drm/nouveau: fix locking issues in page flipping paths