Quoting Rodrigo Vivi (2017-10-17 00:32:54) > On Mon, Oct 16, 2017 at 07:58:25PM +0000, Chris Wilson wrote: > > Quoting Chris Wilson (2017-10-16 20:54:59) > > > Quoting Rodrigo Vivi (2017-10-16 19:16:58) > > > > On Mon, Oct 16, 2017 at 12:07:23PM +0000, David Weinehall wrote: > > > > > On Tue, Aug 22, 2017 at 04:58:28PM -0700, Rodrigo Vivi wrote: > > > > > > Apparently RC6 residency is lower than expected > > > > > > with EI mode for most of the cases on CNL A0, B0 and C0. > > > > > > > > > > > > This Wa doesn't solve our lower residency, but I > > > > > > believe it is better to have it since EI is not > > > > > > expected to work by HW engineers anyways. > > > > > > Aside, this has nothing* to do with rc6; this is changing the decision to > > > up/down clock to a metric that is out of kilter with the code. > > > > > > *Ok, you can make an indirect claim about race-to-idle and the rc6 > > > hysteresis. > > > > Egg on face; wrong register, wrong EI/TO decision. > > I didn't follow, sorry. Egg on face == my mistake, I took this was changing between Evaluation Interval and Timeout for the RPS metrics. I had always associated rc6 with the timeout method. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
