On Wed, Nov 04, 2015 at 11:20:15PM +0200, ville.syrjala@xxxxxxxxxxxxxxx wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > No idea if we might want these. Perhaps there is a "keep your paws off > my GPU" bit in there somewhere to avoid BIOS crap? Hmm. "These registers are used as scratch pad data storage space and have no direct effect on hardware operation. The use of these registers is defined by the software architecture." Not sure. But I do know that some of that scratch space was repurposed for use by the hardware (but the ones I know about don't need to be restored). Do you have anything more definite than a hunch? If you have a good reason, Acked-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> (as in I checked that those registers do exist as a 36x32bit block) -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
