Merge branch 'linux-4.10' of git://github.com/skeggsb/linux into drm-next

- Initial atomic modesetting support.  Used for "legacy" KMS interfaces,
ioctl not exposed by default, but there is a commandline option to
enable it.
- Initial DP 1.2 MST support
- Misc other code cleanups + fixes

* 'linux-4.10' of git://github.com/skeggsb/linux: (64 commits)
  drm/nouveau/fifo/gf100-: protect channel preempt with subdev mutex
  drm/nouveau/gr: fallback to legacy paths during firmware lookup
  drm/nouveau/kms/nv50: initial support for DP 1.2 multi-stream
  drm/nouveau/kms/nv50: allow encoder update to be called from other modules
  drm/nouveau/kms/nv50: rename remaining nv50_crtc to nv50_head
  drm/nouveau/kms/nv50: remove code to create ctxdma for every framebuffer
  drm/nouveau/kms/nv50: remove code to support non-atomic page flips
  drm/nouveau/kms/nv50: remove code to support non-atomic connector properties
  drm/nouveau/kms/nv50: remove code to support non-atomic dpms
  drm/nouveau/kms/nv50: remove code to support non-atomic modesets
  drm/nouveau/kms/nv50: transition to atomic interfaces internally
  drm/nouveau/kms/nv50: turn mode_set_base_atomic() into a stub
  drm/nouveau/kms/nv50: convert encoder mode_fixup into an atomic_check()
  drm/nouveau/kms/nv50: clean-up encoder functions
  drm/nouveau/kms/nv50: ensure encoder normal power state is enabled at startup
  drm/nouveau/kms/nv50: prepare ctxdma interface to be usable with atomic
  drm/nouveau/kms/nv50: separate out cursor channel commit
  drm/nouveau/kms/nv50: separate out base channel commit
  drm/nouveau/kms/nv50: separate out vblank dmi commit
  drm/nouveau/kms/nv50: separate out procamp commit
  ...