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cpufreq: amd-pstate: Add documentation for `amd_pstate_hw_prefcore` 

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@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
pull/955/head
Mario Limonciello 2024-08-26 16:13:58 -05:00
parent 45722e777f
commit b96b82d1af
1 changed files with 5 additions and 0 deletions
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Documentation/admin-guide/pm/amd-pstate.rst
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@ -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