On Wed, Aug 26, 2020 at 6:39 PM Artem Bityutskiy <dedeki...@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.
