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linux/drivers/acpi
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Nathan Fontenot 41ea667227 x86, sched: Calculate frequency invariance for AMD systems 
This is the first pass in creating the ability to calculate the
frequency invariance on AMD systems. This approach uses the CPPC
highest performance and nominal performance values that range from
0 - 255 instead of a high and base frquency. This is because we do
not have the ability on AMD to get a highest frequency value.

On AMD systems the highest performance and nominal performance
vaues do correspond to the highest and base frequencies for the system
so using them should produce an appropriate ratio but some tweaking
is likely necessary.

Due to CPPC being initialized later in boot than when the frequency
invariant calculation is currently made, I had to create a callback
from the CPPC init code to do the calculation after we have CPPC
data.

Special thanks to "kernel test robot <lkp@intel.com>" for reporting that
compilation of drivers/acpi/cppc_acpi.c is conditional to
CONFIG_ACPI_CPPC_LIB, not just CONFIG_ACPI.

[ ggherdovich@suse.cz: made safe under CPU hotplug, edited changelog. ]

Signed-off-by: Nathan Fontenot <nathan.fontenot@amd.com>
Signed-off-by: Giovanni Gherdovich <ggherdovich@suse.cz>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20201112182614.10700-2-ggherdovich@suse.cz
2020-12-11 10:26:00 +01:00
..
acpica ACPICA: Add missing type casts in GPE register access code 2020-10-19 14:46:39 +02:00
apei ACPI, APEI, Fix error return value in apei_map_generic_address() 2020-11-16 19:27:37 +01:00
arm64 dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
dptf ACPI: DPTF: Support Alder Lake 2020-11-10 18:52:51 +01:00
nfit ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
numa ACPI updates for 5.10-rc1 2020-10-14 11:42:04 -07:00
pmic ACPI / PMIC: Move TPS68470 OpRegion driver to drivers/acpi/pmic/ 2020-09-15 19:40:59 +02:00
x86 ACPI: Convert to new X86 CPU match macros 2020-03-24 21:30:50 +01:00
ac.c Merge branches 'acpi-mm', 'acpi-tables', 'acpi-apei' and 'acpi-misc' 2020-08-03 13:14:42 +02:00
acpi_adxl.c
acpi_amba.c
acpi_apd.c ACPI: APD: Clean up header file include statements 2020-09-25 12:48:11 +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 config_item_put() to fix refcount leak 2020-09-25 18:08:39 +02:00
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: Check for RDMSR failure 2020-10-02 19:01:55 +02:00
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 drm next for 5.10-rc1 2020-10-15 10:46:16 -07:00
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 This tree adds the sched_set_fifo*() encapsulation APIs to remove 2020-08-06 11:55:43 -07:00
acpi_platform.c ACPI: platform: Remove ACPI_MODULE_NAME() 2020-09-25 18:25:51 +02:00
acpi_pnp.c PNP: ACPI: Fix missing-prototypes in acpi_pnp.c 2020-09-25 18:11:33 +02:00
acpi_processor.c ACPI: processor: remove comment regarding string _UID support 2020-10-16 18:11:27 +02:00
acpi_tad.c PM: sleep: core: Rename DPM_FLAG_LEAVE_SUSPENDED 2020-04-24 21:34:22 +02:00
acpi_video.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
acpi_watchdog.c ACPI: watchdog: Put the watchdog action table after parsing 2020-05-09 11:29:17 +02:00
battery.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
bgrt.c
blacklist.c
bus.c USB/PHY/Thunderbolt driver patches for 5.10-rc1 2020-10-15 09:51:18 -07:00
button.c ACPI: button: Add DMI quirk for Medion Akoya E2228T 2020-11-09 19:29:41 +01:00
container.c ACPI: container: Remove leftover ACPICA debug functionality 2020-09-25 18:25:51 +02:00
cppc_acpi.c x86, sched: Calculate frequency invariance for AMD systems 2020-12-11 10:26:00 +01:00
custom_method.c ACPI: custom_method: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
debugfs.c ACPI: debugfs: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
device_pm.c Merge branches 'pm-cpufreq' and 'pm-acpi' 2020-06-10 17:10:40 +02:00
device_sysfs.c
dock.c ACPI: dock: fix enum-conversion warning 2020-10-27 19:30:27 +01:00
ec.c ACPI: EC: PM: Drop ec_no_wakeup check from acpi_ec_dispatch_gpe() 2020-10-06 12:31:31 +02:00
ec_sys.c
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: fan: Initialize performance state sysfs attribute 2020-11-16 15:18:38 +01:00
glue.c
hed.c
internal.h ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
ioapic.c
irq.c
Kconfig ACPI / PMIC: Move TPS68470 OpRegion driver to drivers/acpi/pmic/ 2020-09-15 19:40:59 +02:00
Makefile ACPI / PMIC: Move TPS68470 OpRegion driver to drivers/acpi/pmic/ 2020-09-15 19:40:59 +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 ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
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: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
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: Fix build for ARCH_APICTIMER_STOPS_ON_C3 unset 2020-09-23 13:50:12 +02:00
processor_pdc.c
processor_perflib.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
processor_thermal.c ACPI: processor: Remove dead ACPICA debug code 2020-09-25 18:25:51 +02:00
processor_throttling.c x86: ACPI: fix CPU hotplug deadlock 2020-04-04 16:28:24 +02:00
property.c for-5.9/drivers-20200803 2020-08-05 10:51:40 -07:00
reboot.c ACPI: reboot: Avoid racing after writing to ACPI RESET_REG 2020-10-16 18:04:52 +02:00
resource.c ACPI: Use fallthrough pseudo-keyword 2020-07-09 14:09:28 +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: Fix acpi_dma_configure_id() kerneldoc name 2020-11-09 19:05:17 +01:00
sleep.c ACPI updates for 5.8-rc1 2020-06-02 13:25:52 -07:00
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 Merge back sysfs-related ACPI material for v5.9. 2020-06-29 13:49:49 +02:00
tables.c ACPI: tables: Remove the duplicated checks for acpi_parse_entries_array() 2020-07-27 15:19:12 +02:00
thermal.c acpi: thermal: Don't call thermal_zone_device_is_enabled() 2020-07-07 01:26:06 +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: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00
wakeup.c ACPI: Fix whitespace inconsistencies 2020-11-09 19:08:06 +01:00