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. ``amd-pstate`` vs ``acpi-cpufreq`` ====================================== Thanks. -- An old man doll... just what I always wanted! - Clara
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