Re: [PATCH 4/4] Documentation: amd_pstate: Add amd_pstate state sysfs file

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On 12/8/2022 8:29 AM, Bagas Sanjaya wrote:
> On Wed, Dec 07, 2022 at 03:46:48PM +0000, Wyes Karny wrote:
>> +``state``
>> +
>> +``amd_pstate`` also exposes a sysfs interface to view and control the driver state.
>> +The driver state can be one of the following:
>> +``disable``     : indicates driver is in unloaded state.
>> +``passive``     : indicates driver is loaded and currently in passive mode.
>> +``guided`` : indicates driver is loaded and currenlty in guided autonomous mode.
> 
> Use bullet lists for above:
> 
> ---- >8 ----
> 
> diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
> index 4d3783516ddc2c..0d0e0affa3adb2 100644
> --- a/Documentation/admin-guide/pm/amd-pstate.rst
> +++ b/Documentation/admin-guide/pm/amd-pstate.rst
> @@ -269,9 +269,12 @@ Other performance and frequency values can be read back from
>  
>  ``amd_pstate`` also exposes a sysfs interface to view and control the driver state.
>  The driver state can be one of the following:
> -``disable``     : indicates driver is in unloaded state.
> -``passive``     : indicates driver is loaded and currently in passive mode.
> -``guided`` : indicates driver is loaded and currenlty in guided autonomous mode.
> +
> +  - ``disable``     : indicates driver is in unloaded state.
> +  - ``passive``     : indicates driver is loaded and currently in passive mode.
> +  - ``guided``      : indicates driver is loaded and currenlty in guided
> +    autonomous mode.
> +
>  This file can be found here: ``/sys/devices/system/cpu/amd_pstate/state``.
>  
>  To switch to passive mode: ``echo passive > /sys/devices/system/cpu/amd_pstate/state``
> 
>> +This file can be found here: ``/sys/devices/system/cpu/amd_pstate/state``.
>> +
>> +To switch to passive mode: ``echo passive > /sys/devices/system/cpu/amd_pstate/state``
>> +To switch to guided mode: ``echo guided > /sys/devices/system/cpu/amd_pstate/state``
>>  
> 
> What about these wordings instead?
> 
> ---- >8 ----
>  
> diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
> index 4d3783516ddc2c..6465bd39b7dcbc 100644
> --- a/Documentation/admin-guide/pm/amd-pstate.rst
> +++ b/Documentation/admin-guide/pm/amd-pstate.rst
> @@ -267,15 +267,16 @@ Other performance and frequency values can be read back from
>  
>  ``state``
>  
> -``amd_pstate`` also exposes a sysfs interface to view and control the driver state.
> -The driver state can be one of the following:
> -``disable``     : indicates driver is in unloaded state.
> -``passive``     : indicates driver is loaded and currently in passive mode.
> -``guided`` : indicates driver is loaded and currenlty in guided autonomous mode.
> -This file can be found here: ``/sys/devices/system/cpu/amd_pstate/state``.
> +``amd_pstate`` also exposes a sysfs interface to view and control the driver
> +state, named ``/sys/devices/system/cpu/amd_pstate/state``. The driver state
> +can be one of the following:
>  
> -To switch to passive mode: ``echo passive > /sys/devices/system/cpu/amd_pstate/state``
> -To switch to guided mode: ``echo guided > /sys/devices/system/cpu/amd_pstate/state``
> +  - ``disable``     : the driver is disabled
> +  - ``passive``     : the driver is in passive mode.
> +  - ``guided``      : the driver is in guided autonomous mode.
> +
> +To switch between these modes above, write the appropriate value to the
> +aforementioned sysfs file.

LGTM. I'll reword. Thanks!

>  
>  ``amd-pstate`` vs ``acpi-cpufreq``
>  ======================================
> 
> Thanks.
> 

-- 
Thanks & Regards,
Wyes



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