RE: [PATCH] cpufreq: intel_pstate: Restore P-state request on resume without HWP

[Doug Smythies]

On 2026.10.28 08:54 Rafael wrote:
> On Tue, Oct 27, 2026 at 10:46 PM Doug Smythies <dsmythies@xxxxxxxxx> wrote:
>> On 2026.10.27 Rafael wrote:
>>> On Tue, Oct 27, 2026 at 5:36 PM Doug Smythies <dsmythies@xxxxxxxxx> wrote:>
>>>> On 2026.10.27 07:37 Zak Brighton Knight wrote:
>>
>> ...
>>
>>>> I confirm your findings and tested your proposed patch. It all worked fine.
>>>> I had not seen Rafaels's reply about a possible race condition until now.
>>>>
>>>> Test computer: i5-10600K, 6 cores, 12 CPUs, HWP disabled.
>>>
>>> Passive or active mode?
>>
>> Apologies for the incomplete report.
>
> No worries.
>
>> Passive mode has the issue. Active mode was fine without the need for the patch.
>
> Thanks for the update.
>
> Please check the patch I've just posted if poss.

Because I had already done so before this email, I tested Zak's V2 patch, and it worked fine.

I tested your (Rafael's) patch and it worked fine.

Tested-by: Doug Smythies <dsmythies@xxxxxxxxx>

I have not reviewed the code and will not have time to for a few days.

... Doug