Re: [PATCH v3 0/6] amd_pstate: Add guided autonomous mode support

Tor Vic
2023-02-01T18:16:08Z

On 31.01.23 05:34, Wyes Karny wrote:
> Hi Tor Vic,
>
> On 24 Jan 20:40, Tor Vic wrote:
> --------------------------------->8-----------------------------
>>
>> The "active" mode seems to be broken here on a Zen2 3900X running Linux 6.1.
>> Frequency remains stuck at minimum which is +-500 MHz.
>
> I've fixed this in v4.
>
>>
>> Some queries of the new /sys devices lead to I/O error:
>>
>> # LANG=C cat /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_*
>> 166
>> cat:
>> /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_lowest_nonlinear_freq:
>> Input/output error
>> cat: /sys/devices/system/cpu/cpufreq/policy0/amd_pstate_max_freq:
>> Input/output error
>>
> This issue I'm not able to reproduce. Is this issue seen with only EPP
> patches also?
> Could you please check if this issue still there with v4?

No, it's gone. Could have been a mismerge, I'm sorry.

>
> Thanks,
> Wyes

Thank you!

>
>> The "guided" mode seems to work fine with no stuck frequency, but also
>> produces I/O error on some /sys files.
>>
>> I haven't tested "passive".
>>
>> Cheers,
>>
>> Tor Vic