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Searched refs:max_cstate (Results 1 – 12 of 12) sorted by relevance

/Linux-v5.10/drivers/acpi/
Dprocessor_idle.c40 static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
41 module_param(max_cstate, uint, 0000);
75 if (max_cstate > ACPI_PROCESSOR_MAX_POWER) in set_max_cstate()
82 max_cstate = (long)id->driver_data; in set_max_cstate()
398 for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { in acpi_processor_power_verify()
689 if (max_cstate == 0) in acpi_processor_setup_cpuidle_cx()
690 max_cstate = 1; in acpi_processor_setup_cpuidle_cx()
692 for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { in acpi_processor_setup_cpuidle_cx()
728 if (max_cstate == 0) in acpi_processor_setup_cstates()
729 max_cstate = 1; in acpi_processor_setup_cstates()
[all …]
/Linux-v5.10/arch/x86/include/asm/
Dacpi.h69 static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) in acpi_processor_cstate_check() argument
85 return max_cstate; in acpi_processor_cstate_check()
/Linux-v5.10/drivers/idle/
Dintel_idle.c65 static int max_cstate = CPUIDLE_STATE_MAX - 1; variable
1136 if (cstate + 1 > max_cstate) { in intel_idle_max_cstate_reached()
1137 pr_info("max_cstate %d reached\n", max_cstate); in intel_idle_max_cstate_reached()
1180 limit = min_t(int, min_t(int, CPUIDLE_STATE_MAX, max_cstate + 1), in intel_idle_cst_usable()
1417 if (max_cstate <= 7) in sklh_idle_state_table_update()
1627 if (max_cstate == 0) { in intel_idle_init()
1710 module_param(max_cstate, int, 0444);
/Linux-v5.10/Documentation/admin-guide/pm/
Dintel_idle.rst175 The ``max_cstate`` parameter value is the maximum idle state index in the list
180 potentially might have been used if ``max_cstate`` had been greater are not
181 taken into consideration at all). Setting ``max_cstate`` can prevent
190 Setting ``max_cstate`` to 0 causes the ``intel_idle`` initialization to fail.
255 :ref:`PM QoS <cpu-pm-qos>` or the ``max_cstate`` module parameter of
Dcpuidle.rst719 the ``intel_idle.max_cstate=<n>`` and ``processor.max_cstate=<n>`` parameters,
727 ``intel_idle.max_cstate=0`` to the kernel command line disables the
729 ``processor.max_cstate=0`` is equivalent to ``processor.max_cstate=1``.
731 can be loaded separately and ``max_cstate=<n>`` can be passed to it as a module
/Linux-v5.10/tools/power/cpupower/po/
Dde.po898 msgid "max_cstate: C%u\n"
899 msgstr "max_cstate: C%u\n"
Dit.po877 msgid "max_cstate: C%u\n"
Dcs.po868 msgid "max_cstate: C%u\n"
Dfr.po868 msgid "max_cstate: C%u\n"
Dpt.po879 msgid "max_cstate: C%u\n"
/Linux-v5.10/Documentation/timers/
Dno_hz.rst246 c. On x86 systems, use the "intel_idle.max_cstate=" to limit
/Linux-v5.10/Documentation/admin-guide/
Dkernel-parameters.txt1892 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
3941 processor.max_cstate= [HW,ACPI]
3943 max_cstate=9 overrides any DMI blacklist limit.