Re: [PATCH v2 0/9] cpufreq/amd-pstate: BIOS min perf fixes and Dynamic EPP rework

[Mario Limonciello <mario.limonciello@amd.com>]

On 7/23/26 15:12, K Prateek Nayak wrote:
> This is essentially a combined v2 of the following series:
> 
>    https://lore.kernel.org/lkml/20260715074822.16324-1-kprateek.nayak@amd.com/
>    https://lore.kernel.org/lkml/20260630185904.5602-1-kprateek.nayak@amd.com/
> 
> The first two patches fix BIOS min perf setting and its persistence
> across kexec. The next set of patches rework the Dynamic EPP feature
> into an energy_performance_preference mode.
> 
> Unit tests are extended to cover the new dynamic_epp mode and also the
> floor perf (CPPC Performance Priority) feature for completeness.
> 
> Patches are based on:
> 
>    git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git bleeding-edge
> 
> at commit 39c0cf62fc78 ("cpufreq/amd-pstate: handle missing policy in
> dynamic EPP callbacks")
> 
> Everyone has been Cc'd on the cover letter. Respective maintainers have
> been Cc'd on the relevant patches to reduce noise. Lists get the full
> series.
> 
> ---
> Changelog rfc v1..v2:
> 
> o Simplified bios_min_perf handover during kexec by removing the
>    defensive check (Mario).
> 
> o Removed the amd_dynamic_epp kernel cmdline and the dynamic_epp sysfs
>    file as they are now redundant.
> 
> o Updated the documentation.
> 
> o Updated unit test to account for dynamic_epp removal.
> 
> o Added unit test for floor frequency. (Kalpana)
> 
> Individual patches have breief changelogs attached. Reviews and testing
> is highly appreciated.

Can you take a look at the Sashiko feedback?  Especially on patch 1, I 
think another safe guard makes sense.

https://sashiko.dev/#/patchset/20260723201228.22584-1-kprateek.nayak%40amd.com