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linux/drivers/acpi
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Rafael J. Wysocki a241fc02f1 ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily 
commit 99387b016022c29234c4ebf9abd34358c6e56532 upstream.

Modify acpi_processor_get_platform_limit() to avoid updating its
frequency QoS request when the _PPC return value has not changed
by comparing that value to the previous _PPC return value stored in
the performance_platform_limit field of the struct acpi_processor
corresponding to the given CPU.

While at it, do the _PPC return value check against the state count
earlier, to avoid setting performance_platform_limit to an invalid
value, and make acpi_processor_ppc_init() use FREQ_QOS_MAX_DEFAULT_VALUE
as the "no limit" frequency QoS for consistency.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Hagar Hemdan <hagarhem@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-11 11:57:44 +02:00
..
acpica
ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects
2023-05-30 12:57:48 +01:00
apei
ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()
2022-11-10 18:14:22 +01:00
arm64
ACPI/IORT: Check node revision for PMCG resources
2022-02-16 12:54:22 +01:00
dptf
ACPI: DPTF: Fix reading of attributes
2021-08-04 12:46:39 +02:00
nfit
ACPI: NFIT: fix a potential deadlock during NFIT teardown
2023-03-03 11:44:50 +01:00
numa
ACPI: HMAT: Fix initiator registration for single-initiator systems
2022-12-08 11:23:59 +01:00
pmic
ACPI: PMIC: Fix intel_pmic_regs_handler() read accesses
2021-11-18 14:04:26 +01:00
x86
ACPI / x86: Add not-present quirk for the PCI0.SDHB.BRC1 device on the GPD win
2022-01-27 10:54:13 +01:00
ac.c
ACPI: AC: Quirk GK45 to skip reading _PSR
2021-11-18 14:04:00 +01:00
acpi_adxl.c
…
acpi_amba.c
ACPI: AMBA: Fix resource name in /proc/iomem
2021-07-20 16:05:49 +02:00
acpi_apd.c
serial: 8250_dw: Add device HID for new AMD UART controller
2021-06-03 09:00:33 +02:00
acpi_cmos_rtc.c
ACPI: cmos_rtc: Remove leftover ACPI_MODULE_NAME()
2020-09-25 18:25:51 +02:00
acpi_configfs.c
ACPI: configfs: add missing check after configfs_register_default_group()
2021-03-04 11:38:22 +01:00
acpi_dbg.c
ACPI: debug: don't allow debugging when ACPI is disabled
2020-10-16 17:58:52 +02:00
acpi_extlog.c
ACPI: extlog: Handle multiple records
2022-10-30 09:41:16 +01:00
acpi_ipmi.c
…
acpi_lpat.c
…
acpi_lpit.c
ACPI: LPIT: Put the low power idle table after using it
2020-05-09 11:29:16 +02:00
acpi_lpss.c
ACPI: LPSS: Fix missing check in register_device_clock()
2022-08-21 15:15:30 +02:00
acpi_memhotplug.c
mm/memory_hotplug: prepare passing flags to add_memory() and friends
2020-10-16 11:11:18 -07:00
acpi_pad.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
acpi_platform.c
ACPI: platform: Remove ACPI_MODULE_NAME()
2020-09-25 18:25:51 +02:00
acpi_pnp.c
ACPI: PNP: compare the string length in the matching_id()
2020-12-30 11:54:06 +01:00
acpi_processor.c
ACPI: processor: remove comment regarding string _UID support
2020-10-16 18:11:27 +02:00
acpi_tad.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
acpi_video.c
ACPI: video: Add Toshiba Satellite/Portege Z830 quirk
2022-10-26 13:25:44 +02:00
acpi_watchdog.c
ACPI: watchdog: Put the watchdog action table after parsing
2020-05-09 11:29:17 +02:00
battery.c
ACPI: battery: Fix missing NUL-termination with large strings
2023-03-11 16:39:22 +01:00
bgrt.c
ACPI: bgrt: Fix CFI violation
2021-07-14 16:56:12 +02:00
blacklist.c
…
bus.c
ACPI: Change acpi_device_always_present() into acpi_device_override_status()
2022-01-27 10:54:13 +01:00
button.c
ACPI: button: Add lid disable DMI quirk for Nextbook Ares 8A
2023-07-27 08:44:37 +02:00
container.c
ACPI: container: Remove leftover ACPICA debug functionality
2020-09-25 18:25:51 +02:00
cppc_acpi.c
ACPI: CPPC: Do not prevent CPPC from working in the future
2022-08-21 15:16:20 +02:00
custom_method.c
ACPI: custom_method: fix a possible memory leak
2021-05-11 14:47:12 +02:00
debugfs.c
ACPI: debugfs: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
device_pm.c
ACPI: PM / fan: Put fan device IDs into separate header file
2021-07-14 16:56:11 +02:00
device_sysfs.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
dock.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
ec_sys.c
…
ec.c
ACPI: EC: Fix oops when removing custom query handlers
2023-05-30 12:57:48 +01:00
event.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
evged.c
ACPI: GED: fix -Wformat
2020-11-09 19:25:20 +01:00
fan.c
ACPI: PM / fan: Put fan device IDs into separate header file
2021-07-14 16:56:11 +02:00
fan.h
ACPI: PM / fan: Put fan device IDs into separate header file
2021-07-14 16:56:11 +02:00
glue.c
…
hed.c
…
internal.h
ACPI: EC: Rework flushing of EC work while suspended to idle
2022-01-27 10:53:52 +01:00
ioapic.c
…
irq.c
…
Kconfig
ACPI: Kconfig: Fix table override from built-in initrd
2021-07-28 14:35:39 +02:00
Makefile
ACPI: tables: Add custom DSDT file as makefile prerequisite
2021-07-14 16:56:01 +02:00
nvs.c
…
osi.c
…
osl.c
ACPI: OSL: Make ACPICA use logical addresses of GPE blocks
2020-09-11 16:45:00 +02:00
pci_irq.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
pci_link.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
pci_mcfg.c
PCI/ACPI: Guard ARM64-specific mcfg_quirks
2022-08-25 11:38:16 +02:00
pci_root.c
Merge branches 'acpi-extlog', 'acpi-memhotplug', 'acpi-button', 'acpi-tools' and 'acpi-pci'
2020-10-13 14:45:36 +02:00
pci_slot.c
ACPI: PCI: Remove unused ACPICA debug code
2020-09-25 18:25:51 +02:00
power.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
pptt.c
ACPI: PPTT: Consistently use unsigned int as parameter type
2020-01-07 11:46:36 +01:00
proc.c
ACPI: proc: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
processor_core.c
ACPI: processor: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
processor_driver.c
…
processor_idle.c
ACPI: processor idle: Practically limit "Dummy wait" workaround to old Intel systems
2023-02-06 07:56:16 +01:00
processor_pdc.c
ACPI: processor: Fix evaluating _PDC method when running as Xen dom0
2023-05-17 11:47:42 +02:00
processor_perflib.c
ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily
2023-08-11 11:57:44 +02:00
processor_thermal.c
ACPI: processor: Remove freq Qos request for all CPUs
2022-08-31 17:15:23 +02:00
processor_throttling.c
x86: ACPI: fix CPU hotplug deadlock
2020-04-04 16:28:24 +02:00
property.c
ACPI: property: Return type of acpi_add_nondev_subnodes() should be bool
2022-08-25 11:37:58 +02:00
reboot.c
ACPI: reboot: Avoid racing after writing to ACPI RESET_REG
2020-10-16 18:04:52 +02:00
resource.c
Revert "ACPI: resources: Add checks for ACPI IRQ override"
2021-08-04 12:46:39 +02:00
sbs.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
sbshc.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
sbshc.h
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
scan.c
ACPI: scan: Create platform device for BCM4752 and LNV4752 ACPI nodes
2022-01-27 10:54:00 +01:00
sleep.c
ACPI: PM: save NVS memory for Lenovo G40-45
2022-08-21 15:15:30 +02:00
sleep.h
ACPI: PM: Add acpi_[un]register_wakeup_handler()
2020-04-04 19:45:18 +02:00
spcr.c
ACPI: Use fallthrough pseudo-keyword
2020-07-09 14:09:28 +02:00
sysfs.c
ACPI: sysfs: Fix BERT error region memory mapping
2022-05-30 09:33:23 +02:00
tables.c
ACPI: tables: x86: Reserve memory occupied by ACPI tables
2021-04-07 15:00:08 +02:00
thermal.c
ACPI: thermal: drop an always true check
2023-06-09 10:30:15 +02:00
tiny-power-button.c
ACPI: tiny-power-button: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
utils.c
ACPI: utils: remove unreachable breaks
2020-10-22 18:58:26 +02:00
video_detect.c
ACPI: video: Add backlight=native DMI quirk for Lenovo ThinkPad X131e (3371 AMD version)
2023-07-27 08:44:37 +02:00
wakeup.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00