We want to look at the mode that we're actually going to set. All the
other display checks for interlaced flags also look at adjusted_mode.

Cc: Lyude <cpaul@redhat.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Lyude <cpaul@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1476131459-23763-2-git-send-email-paulo.r.zanoni@intel.com