On Tue, Dec 17, 2013 at 11:21:27AM +0200, Jani Nikula wrote: > On Mon, 16 Dec 2013, Chris Wilson <ch...@chris-wilson.co.uk> wrote: > > Touching the VGA registers risks a hard machine hang, at least on this > > ivb machine after removing a conflicting efifb. This is more than likely > > related to the discovery that VGA IO decode on the more recent PCH > > platforms is terminally broken. > > Please double check the config space address. At a glance, it looks like > we should be using SNB_GMCH_CTRL since SNB. Might explain the issues?
Hmm, indeed. This bit is at a different location on SNB, but it is locked. Which is where all the vgaarb madness began last time. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
