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x86: enable CPU frequency scaling

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CPU frequency scaling enables the operating system to scale the CPU
frequency up or down in order to save power. CPU frequencies can be
scaled automatically depending on the system load, in response to ACPI
events, or manually by userspace programs.

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>
This commit is contained in:
Lucian Cristian
2016-07-31 17:59:01 +03:00
committed by John Crispin
parent 6e68a5dd11
commit d3b21bb2bb
4 changed files with 15 additions and 5 deletions
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5
target/linux/x86/64/config-default
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@@ -239,8 +239,11 @@ CONFIG_VSOCKETS=y
CONFIG_WATCHDOG_CORE=y
CONFIG_X86_64=y
CONFIG_X86_64_SMP=y
# CONFIG_X86_ACPI_CPUFREQ is not set
CONFIG_X86_ACPI_CPUFREQ=y
# CONFIG_X86_ACPI_CPUFREQ_CPB is not set
# CONFIG_X86_POWERNOW_K8 is not set
# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
CONFIG_X86_AMD_FREQ_SENSITIVITY=y
CONFIG_X86_CMOV=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_DEBUGCTLMSR=y