On Wed, 05 Oct 2011 22:26:54 +0100 Chris Wilson <ch...@chris-wilson.co.uk> wrote:
> On Wed, 5 Oct 2011 13:01:56 -0700, Ben Widawsky <b...@bwidawsk.net> wrote: > > Docs say that the secure batchbuffer field for > SNB B0 (products that > > actually shipped) should be 0 when not using PPGTT. I'd guess this has > > no positive or negative effect, but is just here to jive with the docs. > > How explicit is the warning? Enough to allow arbitrary writes into the > MMIO space? > -Chris > The docs really suck, and I am honestly quite confused. It simply says (for both blitter and render): "This field must be '0' unless the Per-Process GTT Enable is '1'" :/ I'm sure we already have a test for it, but I can write one if not. Ben _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
