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cpufreq: intel_pstate: Select schedutil as the default governor

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Modify cpufreq Kconfig to select schedutil as the default governor
if the intel_pstate driver has been selected and SMP support is
enabled (because schedutil depends on SMP).

Also select schedutil as well as the performance governor from the
intel_pstate Kconfig section to ensure the equivalence of the passive
and active mode governor configuration options.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2020-03-26 20:24:35 +01:00
parent 5ac54113dd
commit a00ec3874e
2 changed files with 4 additions and 1 deletions
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3
drivers/cpufreq/Kconfig
View File

@ -37,10 +37,11 @@ config CPU_FREQ_STAT
choice
prompt "Default CPUFreq governor"
default CPU_FREQ_DEFAULT_GOV_USERSPACE if ARM_SA1100_CPUFREQ || ARM_SA1110_CPUFREQ
default CPU_FREQ_DEFAULT_GOV_SCHEDUTIL if X86_INTEL_PSTATE && SMP
default CPU_FREQ_DEFAULT_GOV_PERFORMANCE
help
This option sets which CPUFreq governor shall be loaded at
startup. If in doubt, select 'performance'.
startup. If in doubt, use the default setting.
config CPU_FREQ_DEFAULT_GOV_PERFORMANCE
bool "performance"

2
drivers/cpufreq/Kconfig.x86
View File

@ -8,6 +8,8 @@ config X86_INTEL_PSTATE
depends on X86
select ACPI_PROCESSOR if ACPI
select ACPI_CPPC_LIB if X86_64 && ACPI && SCHED_MC_PRIO
select CPU_FREQ_GOV_PERFORMANCE
select CPU_FREQ_GOV_SCHEDUTIL if SMP
help
This driver provides a P state for Intel core processors.
The driver implements an internal governor and will become