Re: [PATCH v5 0/3] cpufreq/amd-pstate: Fix EPP and auto_sel initialization

From: K Prateek Nayak

Date: Tue Jun 09 2026 - 03:18:48 EST


Hello Marco,

On 6/8/2026 1:01 PM, Marco Scardovi wrote:
> Hi Mario, Prateek,
>
> I don't mind splitting in more patches as far as it works and make things
> easier for you on backporting and verification.
>
> Changes in v5:
> - Split the unified patch into a 3-patch series:
> - Patch 1: Change EPP helper return types to signed int and add error handling
> in amd_pstate_epp_cpu_init().
> - Patch 2: Remove the active-mode early return check in shmem_init_perf() to
> ensure auto_sel is properly toggled on shared memory systems.
> - Patch 3: Cache the initial firmware programmed EPP value in cppc_req_cached.

Thank you! I just tested this on a Zen2 system and everything looks
great. For the whole series:

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

At least this time I didn't copypasta my email ;-)

--
Thanks and Regards,
Prateek