+ check error handling/cleanup paths
+ GEM buffer support.. don't ignore bo id in omap_fb

+ plugins should register consecutive ioctl's relative to a base ioctl
  # that is assigned by omap_drm
+ omap_drm should have an ioctl to query by plugin name the assigned
  base ioctl #
+ userspace should use this base ioctl # to calculate the actual ioctl
  # relative to that base.