From: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
To: Hans de Goede <hdegoede@redhat.com>,
markgross@kernel.org, mario.limonciello@amd.com
Cc: platform-driver-x86@vger.kernel.org, Patil.Reddy@amd.com,
bnocera@redhat.com
Subject: Re: [PATCH v3 3/3] Documentation/ABI/testing/sysfs-amd-pmf: Add ABI doc for AMD PMF
Date: Wed, 21 Sep 2022 22:57:13 +0530 [thread overview]
Message-ID: <ad35331e-1bbf-fa0e-15ac-6ab3105bab76@amd.com> (raw)
In-Reply-To: <694508ec-6091-39c9-5748-29a6da6e1556@redhat.com>
Hi Hans,
On 9/21/2022 8:12 PM, Hans de Goede wrote:
> Hi,
>
> On 9/21/22 12:24, Shyam Sundar S K wrote:
>> AMD PMF driver provides the flexibility to turn "on" or "off"
>> CnQF feature (introduced in the earlier patch).
>>
>> Add corresponding ABI documentation for the new sysfs node and
>> also update MAINTAINERS file with this new information
>>
>> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
>> ---
>> Documentation/ABI/testing/sysfs-amd-pmf | 12 ++++++++++++
>> MAINTAINERS | 1 +
>> 2 files changed, 13 insertions(+)
>> create mode 100644 Documentation/ABI/testing/sysfs-amd-pmf
>>
>> diff --git a/Documentation/ABI/testing/sysfs-amd-pmf b/Documentation/ABI/testing/sysfs-amd-pmf
>> new file mode 100644
>> index 000000000000..fec2be7178e2
>> --- /dev/null
>> +++ b/Documentation/ABI/testing/sysfs-amd-pmf
>> @@ -0,0 +1,12 @@
>> +What: /sys/devices/platform/*/cnqf_enable
>> +Date: September 2022
>> +Contact: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
>> +Description: Reading this file tells if the AMD Platform Management(PMF)
>> + Cool n Quiet Framework(CnQF) feature is enabled or not.
>> +
>> + This feature is not enabled by default and gets only turned on
>> + if OEM BIOS passes a "flag" to PMF ACPI function (index 11 or 12)
>> + or in case the user writes "on".
>> +
>> + To turn off CnQF user can write "off" to the sysfs node.
>> + Note: Systems that support auto mode will not have this sysfs file available
>
> I guess this "available" with a bunch of whitespace in front of it was
> intended to be on the next line?
>
Ah, I missed to notice this. Will fix this in v4.
Thanks,
Shyam
> With this fixed:
>
> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
>
> Regards,
>
> Hans
>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index d74bf90f5056..255527be7e24 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -1026,6 +1026,7 @@ AMD PMF DRIVER
>> M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
>> L: platform-driver-x86@vger.kernel.org
>> S: Maintained
>> +F: Documentation/ABI/testing/sysfs-amd-pmf
>> F: drivers/platform/x86/amd/pmf/
>>
>> AMD HSMP DRIVER
>
prev parent reply other threads:[~2022-09-21 17:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-21 10:24 [PATCH v3 0/3] platform/x86/amd/pmf: Introduce CnQF feature for AMD PMF Shyam Sundar S K
2022-09-21 10:24 ` [PATCH v3 1/3] platform/x86/amd/pmf: Add support for CnQF Shyam Sundar S K
2022-09-21 14:37 ` Hans de Goede
2022-09-21 10:24 ` [PATCH v3 2/3] platform/x86/amd/pmf: Add sysfs to toggle CnQF Shyam Sundar S K
2022-09-21 14:41 ` Hans de Goede
2022-09-21 17:28 ` Shyam Sundar S K
2022-09-21 10:24 ` [PATCH v3 3/3] Documentation/ABI/testing/sysfs-amd-pmf: Add ABI doc for AMD PMF Shyam Sundar S K
2022-09-21 14:42 ` Hans de Goede
2022-09-21 17:27 ` Shyam Sundar S K [this message]
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