Re: [PATCH] intel_idle: Add ICL support

Rafael J. Wysocki
2020-08-26T16:44:10Z

On Wed, Aug 26, 2020 at 6:39 PM Artem Bityutskiy <dedekind1@gmail.com> wrote:
>
> On Wed, 2020-08-26 at 18:02 +0200, Rafael J. Wysocki wrote:
> > To that end, I would try to upgrade the graphics firmware and see if
> > you can get some nonzero PC8 residency then.
>
> I am curious, somehow that patch makes a difference.

It does make a difference, because it makes the processor spend more
time in PC2. Which very well may be because the processor cannot
enter deeper C-states.