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From: Tor Vic <torvic9@mailbox.org>
To: Wyes Karny <wyes.karny@amd.com>
Cc: Rafael J Wysocki <rafael@kernel.org>,
	Huang Rui <ray.huang@amd.com>, Jonathan Corbet <corbet@lwn.net>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Mario.Limonciello@amd.com, Perry.Yuan@amd.com,
	Ananth Narayan <ananth.narayan@amd.com>,
	gautham.shenoy@amd.com, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	Bagas Sanjaya <bagasdotme@gmail.com>,
	santosh.shukla@amd.com, Len Brown <lenb@kernel.org>,
	Robert Moore <robert.moore@intel.com>,
	Borislav Petkov <bp@suse.de>
Subject: Re: [PATCH v3 0/6] amd_pstate: Add guided autonomous mode support
Date: Wed, 1 Feb 2023 18:15:47 +0000	[thread overview]
Message-ID: <dfacbc3f-beb3-73f3-7e44-f3d919839d7f@mailbox.org> (raw)
In-Reply-To: <20230131053427.cdpg5zaqyxf7ou2f@beas>



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

      reply	other threads:[~2023-02-01 18:16 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-19 11:50 [PATCH v3 0/6] amd_pstate: Add guided autonomous mode support Wyes Karny
2023-01-19 11:50 ` [PATCH v3 1/6] acpi: cppc: Add min and max perf reg writing support Wyes Karny
2023-01-19 11:50 ` [PATCH v3 2/6] acpi: cppc: Add auto select register read/write support Wyes Karny
2023-01-19 11:50 ` [PATCH v3 3/6] cpufreq: amd_pstate: Add guided autonomous mode Wyes Karny
2023-01-19 11:50 ` [PATCH v3 4/6] Documentation: amd_pstate: Move amd_pstate param to alphabetical order Wyes Karny
2023-01-19 11:50 ` [PATCH v3 5/6] cpufreq: amd_pstate: Add guided mode control support via sysfs Wyes Karny
2023-01-19 11:50 ` [PATCH v3 6/6] Documentation: amd_pstate: Update amd_pstate status sysfs for guided Wyes Karny
2023-01-19 12:30   ` Bagas Sanjaya
2023-01-20  4:16     ` Wyes Karny
2023-01-20  9:18 ` [PATCH v3 0/6] amd_pstate: Add guided autonomous mode support Huang Rui
2023-01-20  9:55   ` Wyes Karny
2023-01-24 20:40 ` Tor Vic
2023-01-25 10:25   ` Wyes Karny
2023-01-31  5:34   ` Wyes Karny
2023-02-01 18:15     ` Tor Vic [this message]

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