Quoting Tvrtko Ursulin (2019-01-15 09:04:47)
>
> On 14/01/2019 21:17, Chris Wilson wrote:
> > On Braswell, under heavy stress, if we update the GGTT while
> > simultaneously accessing another region inside the GTT, we are returned
> > the wrong values. To prevent this we stop the machine to
On 14/01/2019 21:17, Chris Wilson wrote:
On Braswell, under heavy stress, if we update the GGTT while
simultaneously accessing another region inside the GTT, we are returned
the wrong values. To prevent this we stop the machine to update the GGTT
entries so that no memory traffic can occur at
On Braswell, under heavy stress, if we update the GGTT while
simultaneously accessing another region inside the GTT, we are returned
the wrong values. To prevent this we stop the machine to update the GGTT
entries so that no memory traffic can occur at the same time.
This was first spotted in
