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Searched refs:max_cstate (Results 1 – 13 of 13) sorted by relevance

/openbmc/linux/drivers/acpi/
H A Dprocessor_idle.c40 static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
41 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()
418 for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { in acpi_processor_power_verify()
450 acpi_cst_latency_sort(&pr->power.states[1], max_cstate); in acpi_processor_power_verify()
743 if (max_cstate == 0) in acpi_processor_setup_cpuidle_cx()
744 max_cstate = 1; in acpi_processor_setup_cpuidle_cx()
746 for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) { in acpi_processor_setup_cpuidle_cx()
782 if (max_cstate == 0) in acpi_processor_setup_cstates()
[all …]
/openbmc/linux/arch/x86/include/asm/
H A Dacpi.h82 static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) in acpi_processor_cstate_check() argument
98 return max_cstate; in acpi_processor_cstate_check()
/openbmc/linux/drivers/idle/
H A Dintel_idle.c68 /* intel_idle.max_cstate=0 disables driver */ variable
69 static int max_cstate = CPUIDLE_STATE_MAX - 1;
1441 if (cstate + 1 > max_cstate) { in intel_idle_max_cstate_reached()
1442 pr_info("max_cstate %d reached\n", max_cstate); in intel_idle_max_cstate_reached()
1478 * Check if all of the C-states listed by _CST in the max_cstate range are
1485 limit = min_t(int, min_t(int, CPUIDLE_STATE_MAX, max_cstate + 1), in intel_idle_cst_usable()
1724 /* if PC10 disabled via cmdline intel_idle.max_cstate=7 or shallower */ in sklh_idle_state_table_update()
1725 if (max_cstate <= 7) in sklh_idle_state_table_update()
2068 if (max_cstate in intel_idle_init()
[all...]
/openbmc/linux/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.
259 :ref:`PM QoS <cpu-pm-qos>` or the ``max_cstate`` module parameter of
H A Dcpuidle.rst649 the ``intel_idle.max_cstate=<n>`` and ``processor.max_cstate=<n>`` parameters,
657 ``intel_idle.max_cstate=0`` to the kernel command line disables the
659 ``processor.max_cstate=0`` is equivalent to ``processor.max_cstate=1``.
661 can be loaded separately and ``max_cstate=<n>`` can be passed to it as a module
/openbmc/linux/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 Dit.po877 msgid "max_cstate: C%u\n"
H A Dfr.po868 msgid "max_cstate: C%u\n"
H A Dcs.po868 msgid "max_cstate: C%u\n"
H A Dpt.po879 msgid "max_cstate: C%u\n"
/openbmc/linux/Documentation/timers/
H A Dno_hz.rst242 c. On x86 systems, use the "intel_idle.max_cstate=" to limit
/openbmc/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt2154 intel_idle.max_cstate= [KNL,HW,ACPI,X86]
4660 processor.max_cstate= [HW,ACPI]
4662 max_cstate=9 overrides any DMI blacklist limit.