Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued

Backmerge drm-next for the reworked device register/unregistering.
Chris Wilson needs that to be able to land his i915 load/unload
demidlayering.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

diff --cc drivers/gpu/drm/i915/i915_drv.h
Simple merge

diff --cc drivers/gpu/drm/i915/intel_display.c
Simple merge

diff --cc drivers/gpu/drm/i915/intel_dp.c
Simple merge

diff --cc drivers/gpu/drm/i915/intel_drv.h
Simple merge

diff --cc drivers/gpu/drm/i915/intel_lvds.c
Simple merge