drivers/cpufreq/Kconfig.x86

1 # SPDX-License-Identifier: GPL-2.0-only
12 	select CPU_FREQ_GOV_SCHEDUTIL if SMP
30 	  <file:Documentation/admin-guide/pm/cpufreq_drivers.rst>.
33 	  module will be called pcc-cpufreq.
38 	tristate "ACPI Processor P-States driver"
47 	  module will be called acpi-cpufreq.
49 	  For details, take a look at <file:Documentation/cpu-freq/>.
58 	  The powernow-k8 driver used to provide a sysfs knob called "cpb"
66 	tristate "SFI Performance-States driver"
86 	  For details, take a look at <file:Documentation/cpu-freq/>.
96 	  For details, take a look at <file:Documentation/cpu-freq/>.
102 	tristate "AMD Mobile K6-2/K6-3 PowerNow!"
105 	  This adds the CPUFreq driver for mobile AMD K6-2+ and mobile
106 	  AMD K6-3+ processors.
108 	  For details, take a look at <file:Documentation/cpu-freq/>.
118 	  For details, take a look at <file:Documentation/cpu-freq/>.
134 	  Support for K10 and newer processors is now in acpi-cpufreq.
137 	  module will be called powernow-k8.
139 	  For details, take a look at <file:Documentation/cpu-freq/>.
145 	  This adds AMD-specific powersave bias function to the ondemand
146 	  governor, which allows it to make more power-conscious frequency
151 	  the CPUs' workloads are. CPU-bound workloads will be more sensitive
152 	  -- they will perform better as frequency increases. Memory/IO-bound
153 	  workloads will be less sensitive -- they will not necessarily perform
165 	 For details, take a look at <file:Documentation/cpu-freq/>.
182 	  module will be called speedstep-centrino.
184 	  For details, take a look at <file:Documentation/cpu-freq/>.
189 	bool "Built-in tables for Banias CPUs"
193 	  Use built-in tables for Banias CPUs if ACPI encoding
199 	tristate "Intel Speedstep on ICH-M chipsets (ioport interface)"
203 	  (Coppermine), all mobile Intel Pentium III-M (Tualatin) and all
204 	  mobile Intel Pentium 4 P4-M on systems which have an Intel ICH2,
207 	  For details, take a look at <file:Documentation/cpu-freq/>.
216 	  (Coppermine), all mobile Intel Pentium III-M (Tualatin)
219 	  For details, take a look at <file:Documentation/cpu-freq/>.
236 	  module will be called p4-clockmod.
238 	  For details, take a look at <file:Documentation/cpu-freq/>.
249 	  For details, take a look at <file:Documentation/cpu-freq/>.
260 	  For details, take a look at <file:Documentation/cpu-freq/>.
269 	  VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
272 	  For details, take a look at <file:Documentation/cpu-freq/>.
297 	  Don't perform all checks for a speedstep capable system which would
299 	  capable, don't always indicate that they are speedstep capable. This