Re: [PATCH 0/2] cpufreq/amd-pstate register write fixes

From: K Prateek Nayak

Date: Thu Oct 29 2026 - 23:11:53 EST


Hello Chris,

On 10/29/2026 5:49 PM, Christian Loehle wrote:
> Two issues that popped up when trying to integrate an AMD machine into
> my testing for acpi-cppc, in particular for this (otherwise
> unrelated) patch:
> https://lore.kernel.org/lkml/20261020121846.691218-2-sumitg@xxxxxxxxxx/
>
> The first is rather straightforward, I think the case was just not
> considered during the refactor of the Fixes commit.
> The second is part of the resume handling and was introduced when
> that restored the register values (DESIRED derived from policy->cur).
> My platform seems to handle it well, but it's still strange
> behaviour, so why not fix it.
> (Also of course the resume value will generally be overwritten and
> therefore 'fixed' anyway.)

Thank you for catching them. For the whole series, feel free to include:

Reviewed-by: K Prateek Nayak <kprateek.nayak@xxxxxxx>
Tested-by: K Prateek Nayak <kprateek.nayak@xxxxxxx>

--
Thanks and Regards,
Prateek