Pull drm fixes from Dave Airlie:
"One fix for a hotplug locking regressions, and one fix for an oops if
you unplug the monitor at an inopportune moment on the udl device."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/fb-helper: Fix locking in drm_fb_helper_hotplug_event
udl: handle EDID failure properly.