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ccb45b34 |
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12-Dec-2023 |
Arnd Bergmann <arnd@arndb.de> |
ACPI: arm64: export acpi_arch_thermal_cpufreq_pctg() The cpufreq code can be in a loadable module, so the architecture support for it has to be exported: ERROR: modpost: "acpi_arch_thermal_cpufreq_pctg" [drivers/acpi/processor.ko] undefined! Fixes: 310293a2b941 ("ACPI: processor: reduce CPUFREQ thermal reduction pctg for Tegra241") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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310293a2 |
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23-Nov-2023 |
Srikar Srimath Tirumala <srikars@nvidia.com> |
ACPI: processor: reduce CPUFREQ thermal reduction pctg for Tegra241 Current implementation of processor_thermal performs software throttling in fixed steps of "20%" which can be too coarse for some platforms. We observed some performance gain after reducing the throttle percentage. Change the CPUFREQ thermal reduction percentage and maximum thermal steps to be configurable. Also, update the default values of both for Nvidia Tegra241 (Grace) SoC. The thermal reduction percentage is reduced to "5%" and accordingly the maximum number of thermal steps are increased as they are derived from the reduction percentage. Signed-off-by: Srikar Srimath Tirumala <srikars@nvidia.com> Co-developed-by: Sumit Gupta <sumitg@nvidia.com> Signed-off-by: Sumit Gupta <sumitg@nvidia.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Hanjun Guo <guohanjun@huawei.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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