Merge tag 'drm-misc-fixes-2018-07-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes pull request for v4.18-rc7:
- Small fixes to  drm_atomic_helper_async_check(). (bbrezillon)
- Fix error handling in drm_legacy_addctx(). (Nicholas)
- Handle register reset on hotplug in adv7511. (seanpaul)

Signed-off-by: Dave Airlie <airlied@redhat.com>

Link: https://patchwork.freedesktop.org/patch/msgid/90e0e966-bce5-15a4-286a-eda908788b03@linux.intel.com