On 9/5/24 11:30 AM, Mario Limonciello wrote: > From: Mario Limonciello <mario.limonciello@xxxxxxx> > > Explain that the sysfs file represents both preferred core being > enabled by the user and supported by the hardware. > > Reviewed-by: Gautham R. Shenoy <gautham.shenoy@xxxxxxx> > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> > --- > v2->v3: > * Add tag > --- > Documentation/admin-guide/pm/amd-pstate.rst | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst > index e13915c540648..d5c050ea390dc 100644 > --- a/Documentation/admin-guide/pm/amd-pstate.rst > +++ b/Documentation/admin-guide/pm/amd-pstate.rst > @@ -263,6 +263,11 @@ lowest non-linear performance in `AMD CPPC Performance Capability > <perf_cap_>`_.) > This attribute is read-only. > > +``amd_pstate_hw_prefcore`` > + > +Whether the platform supports the preferred core feature and it has been > +enabled. This attribute is read-only. > + > ``energy_performance_available_preferences`` > > A list of all the supported EPP preferences that could be used for I notice I am confused. If the attribute is read only, how can it be enabled by the user?
