config CPU_FREQ
bool "CPU Frequency scaling"
help
- CPU Frequency scaling allows you to change the clock speed of
- CPUs on the fly. This is a nice method to save power, because
+ CPU Frequency scaling allows you to change the clock speed of
+ CPUs on the fly. This is a nice method to save power, because
the lower the CPU clock speed, the less power the CPU consumes.
Note that this driver doesn't automatically change the CPU
select CPU_FREQ_GOV_USERSPACE
help
Use the CPUFreq governor 'userspace' as default. This allows
- you to set the CPU frequency manually or when a userspace
+ you to set the CPU frequency manually or when a userspace
program shall be able to set the CPU dynamically without having
to enable the userspace governor manually.
governor. If unsure have a look at the help section of the
driver. Fallback governor will be the performance governor.
+config CPU_FREQ_DEFAULT_GOV_INTERACTIVEPLUS
+ bool "interactiveplus"
+ select CPU_FREQ_GOV_INTERACTIVEPLUS
+ select CPU_FREQ_GOV_PERFORMANCE
+ help
+ Use the CPUFreq governor 'interactiveplus' as default. This allows
+ you to get a full dynamic cpu frequency capable system by simply
+ loading your cpufreq low-level hardware driver, using the
+ 'adapative' governor for latency-sensitive workloads. If unsure
+ have a look at the help section of the driver. Fallback governor
+ will be the performance governor.
+
config CPU_FREQ_DEFAULT_GOV_CONSERVATIVE
bool "conservative"
select CPU_FREQ_GOV_CONSERVATIVE
Be aware that not all cpufreq drivers support the conservative
governor. If unsure have a look at the help section of the
driver. Fallback governor will be the performance governor.
+
+config CPU_FREQ_DEFAULT_GOV_INTERACTIVE
+ bool "interactive"
+ select CPU_FREQ_GOV_INTERACTIVE
+ help
+ Use the CPUFreq governor 'interactive' as default. This allows
+ you to get a full dynamic cpu frequency capable system by simply
+ loading your cpufreq low-level hardware driver, using the
+ 'interactive' governor for latency-sensitive workloads.
+
+config CPU_FREQ_DEFAULT_GOV_BALANCE
+ bool "balance"
+ select CPU_FREQ_GOV_BALANCE
+ select CPU_FREQ_GOV_PERFORMANCE
+ help
+ Use the CPUFreq governor 'balance' as default. This allows
+ you to get a full dynamic frequency capable system by simply
+ loading your cpufreq low-level hardware driver.
+ Be aware that not all cpufreq drivers support the balance
+ governor. If unsure have a look at the help section of the
+ driver. Fallback governor will be the performance governor.
+
+config CPU_FREQ_DEFAULT_GOV_HOTPLUG
+ bool "hotplug"
+ select CPU_FREQ_GOV_HOTPLUG
+ select CPU_FREQ_GOV_PERFORMANCE
+ help
+ Use the CPUFreq governor 'hotplug' as default. This allows
+ you to get a full dynamic frequency capable system by simply
+ loading your cpufreq low-level hardware driver.
+ Be aware that not all cpufreq drivers support the hotplug
+ governor. If unsure have a look at the help section of the
+ driver. Fallback governor will be the performance governor.
+
endchoice
+config CPU_FREQ_GOV_BALANCE
+ tristate "'balance' cpufreq policy governor"
+ select CPU_FREQ_TABLE
+ help
+ 'balance' - This driver adds a dynamic cpufreq policy governor.
+ The governor does a periodic polling and
+ changes frequency based on the CPU utilization.
+ The support for this governor depends on CPU capability to
+ do fast frequency switching (i.e, very low latency frequency
+ transitions).
+
+ To compile this driver as a module, choose M here: the
+ module will be called cpufreq_hotplug.
+
+ For details, take a look at linux/Documentation/cpu-freq.
+
+ If in doubt, say N.
+
config CPU_FREQ_GOV_PERFORMANCE
tristate "'performance' governor"
help
help
Enable this cpufreq governor when you either want to set the
CPU frequency manually or when a userspace program shall
- be able to set the CPU dynamically, like on LART
+ be able to set the CPU dynamically, like on LART
<http://www.lartmaker.nl/>.
To compile this driver as a module, choose M here: the
select CPU_FREQ_GOV_COMMON
help
'ondemand' - This driver adds a dynamic cpufreq policy governor.
- The governor does a periodic polling and
+ The governor does a periodic polling and
changes frequency based on the CPU utilization.
The support for this governor depends on CPU capability to
do fast frequency switching (i.e, very low latency frequency
- transitions).
+ transitions).
To compile this driver as a module, choose M here: the
module will be called cpufreq_ondemand.
If in doubt, say N.
+config CPU_FREQ_GOV_INTERACTIVEPLUS
+ tristate "'interactiveplus' cpufreq policy governor"
+ select CPU_FREQ_TABLE
+ select CPU_FREQ_GOV_COMMON
+ help
+ 'interactiveplus' - This driver adds a dynamic cpufreq policy governor
+ designed for latency-sensitive workloads.
+
+ This governor attempts to reduce the latency of clock
+ increases so that the system is more responsive to
+ interactive workloads.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cpufreq_adapative.
+
+ For details, take a look at linux/Documentation/cpu-freq.
+
+ If in doubt, say N.
+
+config CPU_FREQ_GOV_INTERACTIVE
+ tristate "'interactive' cpufreq policy governor"
+ help
+ 'interactive' - This driver adds a dynamic cpufreq policy governor
+ designed for latency-sensitive workloads.
+
+ This governor attempts to reduce the latency of clock
+ increases so that the system is more responsive to
+ interactive workloads.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cpufreq_interactive.
+
+ For details, take a look at linux/Documentation/cpu-freq.
+
+ If in doubt, say N.
+
config CPU_FREQ_GOV_CONSERVATIVE
tristate "'conservative' cpufreq governor"
depends on CPU_FREQ
If in doubt, say N.
+config CPU_FREQ_GOV_HOTPLUG
+ tristate "'hotplug' cpufreq policy governor"
+ select CPU_FREQ_TABLE
+ select CPU_FREQ_GOV_COMMON
+ help
+ 'hotplug' - This driver adds a dynamic cpufreq policy governor.
+ The governor does a periodic polling and
+ changes frequency based on the CPU utilization.
+ The support for this governor depends on CPU capability to
+ do fast frequency switching (i.e, very low latency frequency
+ transitions).
+
+ To compile this driver as a module, choose M here: the
+ module will be called cpufreq_hotplug.
+
+ For details, take a look at linux/Documentation/cpu-freq.
+
+ If in doubt, say N.
+
config GENERIC_CPUFREQ_CPU0
tristate "Generic CPU0 cpufreq driver"
depends on HAVE_CLK && REGULATOR && PM_OPP && OF
endmenu
menu "ARM CPU frequency scaling drivers"
-depends on ARM
+depends on ARM || ARM64
source "drivers/cpufreq/Kconfig.arm"
endmenu
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff