x86: enable CPU frequency scaling

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

View file

@ -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

View file

@ -60,9 +60,10 @@ CONFIG_COMPAT_VDSO=y
CONFIG_CONSOLE_TRANSLATIONS=y
# CONFIG_CPU5_WDT is not set
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_GOV_USERSPACE is not set

View file

@ -305,9 +305,12 @@ CONFIG_VIRTIO_PCI_LEGACY=y
CONFIG_VIRTUALIZATION=y
# CONFIG_WDT is not set
CONFIG_X86_32_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_BIGSMP is not set
CONFIG_X86_AMD_FREQ_SENSITIVITY=y
CONFIG_X86_CMOV=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_DEBUGCTLMSR=y

View file

@ -203,7 +203,10 @@ CONFIG_USB_UHCI_HCD=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
# CONFIG_WDT is not set
# 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_FREQ_SENSITIVITY is not set
# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
# CONFIG_X86_E_POWERSAVER is not set
# CONFIG_X86_INTEL_LPSS is not set