Looking at gem_workarounds shows us that MMCD_MISC_CTRL is not restored
following a suspend-resume cycle. This implies that MMCD_MISC_CTRL is
not stored in the context, but is an ordinary register w/a that we need to
restore during init_hw.
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171004124153.14142-1-chris@chris-wilson.co.ukReviewed-by: NMika Kuoppala <mika.kuoppala@linux.intel.com>