[PATCH 0/9] drm/915: Get rid of IS_DISPLAYREG(), continued

[ville.syrjala at linux.intel.com (ville.syrjala at linux.intel.com)]

Here are the remaining pieces for killing IS_DISPLAYREG()

I rebased it on top of the modeset_s-r stuff.

The last two VGA patches are not really related but I was lazy and
included them in the same set.