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| author | Meng Li <[email protected]> | 2024-01-19 17:04:57 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2024-01-31 14:54:50 +0100 |
| commit | 12753d71e8c5c3e716cedba23ddeed508da0bdc4 (patch) | |
| tree | 20837471f70acf1f35fc35e7cc7cd53bffa0b637 /tools/perf/scripts/python/gecko.py | |
| parent | 3598e577d1290008dcc753a015675fe617cdde45 (diff) | |
ACPI: CPPC: Add helper to get the highest performance value
Add support for getting the highest performance to the
generic CPPC driver. This enables downstream drivers
such as amd-pstate to discover and use these values.
Refer to Chapter 8.4.6.1.1.1. Highest Performance of ACPI
Specification 6.5 for details on continuous performance control
of CPPC (linked below).
Tested-by: Oleksandr Natalenko <[email protected]>
Reviewed-by: Mario Limonciello <[email protected]>
Reviewed-by: Wyes Karny <[email protected]>
Reviewed-by: Perry Yuan <[email protected]>
Acked-by: Huang Rui <[email protected]>
Signed-off-by: Meng Li <[email protected]>
Link: https://uefi.org/specs/ACPI/6.5/08_Processor_Configuration_and_Control.html?highlight=cppc#highest-performance
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <[email protected]>
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