drm-misc-fixes-2018-01-24

Sean Paul

@atseanpaul

17b11b76 · drm/vc4: Fix NULL pointer dereference in vc4_save_hang_state() · Jan 18, 2018

Two vc4 fixes that were applied in the last day.
One fixes a NULL dereference, and the other fixes
a flickering bug.

Cc: Eric Anholt <eric@anholt.net>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>