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| author | Meng Li <li.meng@amd.com> | 2024-01-19 12:04:57 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-01-31 16:54:50 +0300 |
| commit | 12753d71e8c5c3e716cedba23ddeed508da0bdc4 (patch) | |
| tree | 20837471f70acf1f35fc35e7cc7cd53bffa0b637 /mm/memory.c | |
| parent | 3598e577d1290008dcc753a015675fe617cdde45 (diff) | |
| download | linux-12753d71e8c5c3e716cedba23ddeed508da0bdc4.tar.xz | |
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 <oleksandr@natalenko.name>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Wyes Karny <wyes.karny@amd.com>
Reviewed-by: Perry Yuan <perry.yuan@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Meng Li <li.meng@amd.com>
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 <rafael.j.wysocki@intel.com>
Diffstat (limited to 'mm/memory.c')
0 files changed, 0 insertions, 0 deletions