[Intel-gfx] [PATCH] drm/i915: Remove secure batch buffer flag SNB+

Chris Wilson chris at chris-wilson.co.uk
Wed Oct 5 23:26:54 CEST 2011


On Wed,  5 Oct 2011 13:01:56 -0700, Ben Widawsky <ben at 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

-- 
Chris Wilson, Intel Open Source Technology Centre



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