Ofc I promise just a few leftovers for drm-misc and somehow it's the
biggest pull. But really mostly trivial stuff:
- MAINTAINERS updates from Emil
- rename async to nonblock in atomic_commit to avoid the confusion between
  nonblocking ioctl and async flip (= not vblank synced), from Maarten.
  Needs to be regened with newer drivers, but probably only after -rc1 to
  catch them all.
- actually lockless gem_object_free, plus acked driver conversion patches.
  All the trickier prep stuff already is in drm-next.
- Noralf's nice work for generic defio support in our fbdev emulation.
  Keeps the udl hack, and qxl is tested by Gerd.

* tag 'topic/drm-misc-2016-05-04' of git://anongit.freedesktop.org/drm-intel: (47 commits)
  drm: Fixup locking WARN_ON mistake around gem_object_free_unlocked
  drm/etnaviv: Use lockless gem BO free callback
  drm/imx: Use lockless gem BO free callback
  drm/radeon: Use lockless gem BO free callback
  drm/amdgpu: Use lockless gem BO free callback
  drm/gem: support BO freeing without dev->struct_mutex
  MAINTAINERS: Add myself for the new VC4 (RPi GPU) graphics driver.
  MAINTAINERS: Add a bunch of legacy (UMS) DRM drivers
  MAINTAINERS: Add a few DRM drivers by Dave Airlie
  MAINTAINERS: List the correct git repo for the Renesas DRM drivers
  MAINTAINERS: Update the files list for the Renesas DRM drivers
  MAINTAINERS: Update the files list for the Armada DRM driver
  MAINTAINERS: Update the files list for the Rockchip DRM driver
  MAINTAINERS: Update the files list for the Exynos DRM driver
  MAINTAINERS: Add maintainer entry for the VMWGFX DRM driver
  MAINTAINERS: Add maintainer entry for the MSM DRM driver
  MAINTAINERS: Add maintainer entry for the Nouveau DRM driver
  MAINTAINERS: Update the files list for the Etnaviv DRM driver
  MAINTAINERS: Remove unneded wildcard for the i915 DRM driver
  drm/atomic: Add WARN_ON when state->acquire_ctx is not set.
  ...