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Searched refs:max_cstate (Results 1 – 14 of 14) sorted by relevance

/linux-6.15/drivers/acpi/
H A Dprocessor_idle.c41 module_param(max_cstate, uint, 0400);
75 if (max_cstate > ACPI_PROCESSOR_MAX_POWER) in set_max_cstate()
82 max_cstate = (long)id->driver_data; in set_max_cstate()
454 acpi_cst_latency_sort(&pr->power.states[1], max_cstate); in acpi_processor_power_verify()
746 if (max_cstate == 0) in acpi_processor_setup_cpuidle_cx()
747 max_cstate = 1; in acpi_processor_setup_cpuidle_cx()
785 if (max_cstate == 0) in acpi_processor_setup_cstates()
786 max_cstate = 1; in acpi_processor_setup_cstates()
845 max_cstate = acpi_processor_cstate_check(max_cstate); in acpi_processor_cstate_first_run_checks()
846 if (max_cstate < ACPI_C_STATES_MAX) in acpi_processor_cstate_first_run_checks()
[all …]
/linux-6.15/arch/x86/include/asm/
H A Dacpi.h91 static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) in acpi_processor_cstate_check() argument
107 return max_cstate; in acpi_processor_cstate_check()
/linux-6.15/drivers/idle/
H A Dintel_idle.c70 static int max_cstate = CPUIDLE_STATE_MAX - 1; variable
1674 if (cstate + 1 > max_cstate) { in intel_idle_max_cstate_reached()
1675 pr_info("max_cstate %d reached\n", max_cstate); in intel_idle_max_cstate_reached()
1722 limit = min_t(int, min_t(int, CPUIDLE_STATE_MAX, max_cstate + 1), in intel_idle_cst_usable()
1980 if (max_cstate <= 7) in sklh_idle_state_table_update()
2337 if (max_cstate == 0) { in intel_idle_init()
2426 module_param(max_cstate, int, 0444);
/linux-6.15/Documentation/admin-guide/pm/
H A Dintel_idle.rst177 The ``max_cstate`` parameter value is the maximum idle state index in the list
182 potentially might have been used if ``max_cstate`` had been greater are not
183 taken into consideration at all). Setting ``max_cstate`` can prevent
193 Setting ``max_cstate`` to 0 causes the ``intel_idle`` initialization to fail.
282 :ref:`PM QoS <cpu-pm-qos>` or the ``max_cstate`` module parameter of
H A Dcpuidle.rst644 the ``intel_idle.max_cstate=<n>`` and ``processor.max_cstate=<n>`` parameters,
652 ``intel_idle.max_cstate=0`` to the kernel command line disables the
654 ``processor.max_cstate=0`` is equivalent to ``processor.max_cstate=1``.
656 can be loaded separately and ``max_cstate=<n>`` can be passed to it as a module
/linux-6.15/tools/power/cpupower/po/
H A Dka.po921 msgid "max_cstate: C%u\n"
922 msgstr "max_cstate: C%u\n"
H A Dde.po898 msgid "max_cstate: C%u\n"
899 msgstr "max_cstate: C%u\n"
H A Dzh_CN.po867 msgid "max_cstate: C%u\n"
H A Dcs.po868 msgid "max_cstate: C%u\n"
H A Dfr.po868 msgid "max_cstate: C%u\n"
H A Dit.po877 msgid "max_cstate: C%u\n"
H A Dpt.po879 msgid "max_cstate: C%u\n"
/linux-6.15/Documentation/timers/
H A Dno_hz.rst239 c. On x86 systems, use the "intel_idle.max_cstate=" to limit
/linux-6.15/Documentation/admin-guide/
H A Dkernel-parameters.txt2313 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
5095 processor.max_cstate= [HW,ACPI]
5097 max_cstate=9 overrides any DMI blacklist limit.