Re: [RFC PATCH 0/4] Add processor to the ignore PSD override list

From: Rafael J. Wysocki
Date: Mon Dec 07 2020 - 08:56:16 EST


On Fri, Dec 4, 2020 at 11:45 PM Punit Agrawal <punitagrawal@xxxxxxxxx> wrote:
>
> Hi Rafael,
>
> Punit Agrawal <punitagrawal@xxxxxxxxx> writes:
>
> > Hi,
> >
> > While looking into Giovanni's patches to enable frequency invariance
> > on AMD systems[0], I noticed an issue with initialising frequency
> > domain information on a recent AMD APU.
> >
> > Patch 1 refactors the test to ignore firmware provided frequency
> > domain into a separate function.
> >
> > Patch 2 adds said APU (Family: 0x17, Model: 0x60, Stepping: 0x01) to
> > the list of CPUs for which the PSD override is ignored. I am not quite
> > happy with having to special case a particular CPU but also couldn't
> > find any documentation to help identify the CPUs that don't need the
> > override.
>
> Are you be OK to pick the first two patches if there are no issues?

Please send them as non-RFC and change the name of override_acpi_psd()
to indicate that it is AMD-specific.

Thanks!