[PATCH] drm/cirrus: rewrite and modernize driver.

[Gerd Hoffmann]

  Hi,

> > So I can just remove cirrus_fb_dirty() and hook up
> > drm_atomic_helper_dirtyfb() instead.  Easy ;)
> 
> You can even use drm_gem_fb_create_with_dirty() instead of
> drm_gem_fb_create_with_funcs().

Ah, cool.  /me happily continues removing code lines.

thanks,
  Gerd

PS: incremental fixups are at
    https://git.kraxel.org/cgit/linux/log/?h=drm-rewrite-cirrus