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Date: Mon, 3 Aug 2020 18:50:39 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux PM <linux-pm@...r.kernel.org>,
ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] Power management fixes for v5.9-rc1
Hi Linus,
Please pull from the tag
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
pm-5.9-rc1
with top-most commit 86ba54fb0816480941cda78a99f107ab2bbd4249
Merge branches 'pm-sleep', 'pm-domains', 'powercap' and 'pm-tools'
on top of commit 92ed301919932f777713b9172e525674157e983d
Linux 5.8-rc7
to receive power management updates for 5.9-rc1.
The most significant change here is the extension of the Energy
Model to cover non-CPU devices (as well as CPUs) from Lukasz Luba.
There is also some new hardware support (Ice Lake server idle
states table for intel_idle, Sapphire Rapids and Power Limit 4
support in the RAPL driver), some new functionality in the existing
drivers (eg. a new switch to disable/enable CPU energy-efficiency
optimizations in intel_pstate, delayed timers in devfreq), some
assorted fixes (cpufreq core, intel_pstate, intel_idle) and cleanups
(eg. cpuidle-psci, devfreq), including the elimination of W=1 build
warnings from cpufreq done by Lee Jones.
Specifics:
- Make the Energy Model cover non-CPU devices (Lukasz Luba).
- Add Ice Lake server idle states table to the intel_idle driver
and eliminate a redundant static variable from it (Chen Yu,
Rafael Wysocki).
- Eliminate all W=1 build warnings from cpufreq (Lee Jones).
- Add support for Sapphire Rapids and for Power Limit 4 to the
Intel RAPL power capping driver (Sumeet Pawnikar, Zhang Rui).
- Fix function name in kerneldoc comments in the idle_inject power
capping driver (Yangtao Li).
- Fix locking issues with cpufreq governors and drop a redundant
"weak" function definition from cpufreq (Viresh Kumar).
- Rearrange cpufreq to register non-modular governors at the
core_initcall level and allow the default cpufreq governor to
be specified in the kernel command line (Quentin Perret).
- Extend, fix and clean up the intel_pstate driver (Srinivas
Pandruvada, Rafael Wysocki):
* Add a new sysfs attribute for disabling/enabling CPU
energy-efficiency optimizations in the processor.
* Make the driver avoid enabling HWP if EPP is not supported.
* Allow the driver to handle numeric EPP values in the sysfs
interface and fix the setting of EPP via sysfs in the active
mode.
* Eliminate a static checker warning and clean up a kerneldoc
comment.
- Clean up some variable declarations in the powernv cpufreq
driver (Wei Yongjun).
- Fix up the ->enter_s2idle callback definition to cover the case
when it points to the same function as ->idle correctly (Neal
Liu).
- Rearrange and clean up the PSCI cpuidle driver (Ulf Hansson).
- Make the PM core emit "changed" uevent when adding/removing the
"wakeup" sysfs attribute of devices (Abhishek Pandit-Subedi).
- Add a helper macro for declaring PM callbacks and use it in the
MMC jz4740 driver (Paul Cercueil).
- Fix white space in some places in the hibernate code and make the
system-wide PM code use "const char *" where appropriate (Xiang
Chen, Alexey Dobriyan).
- Add one more "unsafe" helper macro to the freezer to cover the NFS
use case (He Zhe).
- Change the language in the generic PM domains framework to use
parent/child terminology and clean up a typo and some comment
formatting in that code (Kees Cook, Geert Uytterhoeven).
- Update the operating performance points OPP framework (Lukasz
Luba, Andrew-sh.Cheng, Valdis Kletnieks):
* Refactor dev_pm_opp_of_register_em() and update related drivers.
* Add a missing function export.
* Allow disabled OPPs in dev_pm_opp_get_freq().
- Update devfreq core and drivers (Chanwoo Choi, Lukasz Luba, Enric
Balletbo i Serra, Dmitry Osipenko, Kieran Bingham, Marc Zyngier):
* Add support for delayed timers to the devfreq core and make the
Samsung exynos5422-dmc driver use it.
* Unify sysfs interface to use "df-" as a prefix in instance names
consistently.
* Fix devfreq_summary debugfs node indentation.
* Add the rockchip,pmu phandle to the rk3399_dmc driver DT
bindings.
* List Dmitry Osipenko as the Tegra devfreq driver maintainer.
* Fix typos in the core devfreq code.
- Update the pm-graph utility to version 5.7 including a number of
fixes related to suspend-to-idle (Todd Brandt).
- Fix coccicheck errors and warnings in the cpupower utility (Shuah
Khan).
- Replace HTTP links with HTTPs ones in multiple places (Alexander
A. Klimov).
Thanks!
---------------
Abhishek Pandit-Subedi (1):
PM: sleep: core: Emit changed uevent on wakeup_sysfs_add/remove
Alexander A. Klimov (3):
cpufreq: Replace HTTP links with HTTPS ones
cpupower: Replace HTTP links with HTTPS ones
opp: ti-opp-supply: Replace HTTP links with HTTPS ones
Alexey Dobriyan (1):
PM: sleep: spread "const char *" correctness
Andrew-sh.Cheng (1):
opp: Allow disabled OPPs in dev_pm_opp_get_freq()
Chanwoo Choi (5):
PM / devfreq: Add support delayed timer for polling mode
memory: samsung: exynos5422-dmc: Use delayed timer as default
PM / devfreq: Clean up the devfreq instance name in sysfs attr
PM / devfreq: Fix indentaion of devfreq_summary debugfs node
PM / devfreq: Fix the wrong end with semicolon
Chen Yu (1):
intel_idle: Customize IceLake server support
Dmitry Osipenko (1):
PM / devfreq: tegra: Add Dmitry as a maintainer
Enric Balletbo i Serra (1):
dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle
Geert Uytterhoeven (1):
PM: domains: Restore comment indentation for generic_pm_domain.child_links
He Zhe (1):
freezer: Add unsafe version of
freezable_schedule_timeout_interruptible() for NFS
Kees Cook (1):
PM: domains: Fix up terminology with parent/child
Kieran Bingham (1):
PM / devfreq: event: Fix trivial spelling
Lee Jones (11):
cpufreq: freq_table: Demote obvious misuse of kerneldoc to
standard comment blocks
cpufreq: cpufreq: Demote lots of function headers unworthy of
kerneldoc status
cpufreq: cpufreq_governor: Demote store_sampling_rate() header
to standard comment block
cpufreq: pasemi: Include header file for {check,restore}_astate prototypes
cpufreq: powernv-cpufreq: Fix a bunch of kerneldoc related issues
cpufreq: acpi-cpufreq: Mark 'dummy' variable as __always_unused
cpufreq: acpi-cpufreq: Mark sometimes used ID structs as __maybe_unused
cpufreq: powernow-k8: Mark 'hi' and 'lo' dummy variables as
__always_unused
cpufreq: pcc-cpufreq: Mark sometimes used ID structs as __maybe_unused
cpufreq: intel_pstate: Supply struct attribute description for
get_aperf_mperf_shift()
cpufreq: amd_freq_sensitivity: Mark sometimes used ID structs as
__maybe_unused
Lukasz Luba (10):
PM / EM: change naming convention from 'capacity' to 'performance'
PM / EM: introduce em_dev_register_perf_domain function
PM / EM: update callback structure and add device pointer
PM / EM: add support for other devices than CPUs in Energy Model
PM / EM: remove em_register_perf_domain
PM / EM: change name of em_pd_energy to em_cpu_energy
Documentation: power: update Energy Model description
OPP: refactor dev_pm_opp_of_register_em() and update related drivers
memory: samsung: exynos5422-dmc: Adjust polling interval and uptreshold
memory: samsung: exynos5422-dmc: Add module param to control IRQ mode
Marc Zyngier (1):
PM / devfreq: rk3399_dmc: Fix kernel oops when rockchip,pmu is absent
Neal Liu (2):
cpuidle: change enter_s2idle() prototype
cpuidle: ACPI: fix 'return' with no value build warning
Paul Cercueil (3):
PM: core: introduce pm_ptr() macro
PM: Make *_DEV_PM_OPS macros use __maybe_unused
mmc: jz4740: Use pm_ptr() macro
Quentin Perret (2):
cpufreq: Register governors at core_initcall
cpufreq: Specify default governor on command line
Rafael J. Wysocki (5):
intel_idle: Eliminate redundant static variable
cpufreq: intel_pstate: Clean up aperf_mperf_shift description
cpufreq: intel_pstate: Avoid enabling HWP if EPP is not supported
cpufreq: intel_pstate: Rearrange the storing of new EPP values
cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
Shuah Khan (2):
cpupower: Fix comparing pointer to 0 coccicheck warns
cpupower: Fix NULL but dereferenced coccicheck errors
Srinivas Pandruvada (3):
cpufreq: intel_pstate: Allow enable/disable energy efficiency
cpufreq: intel_pstate: Allow raw energy performance preference value
cpufreq: intel_pstate: Fix static checker warning for epp variable
Sumeet Pawnikar (1):
powercap: Add Power Limit4 support
Todd Brandt (1):
pm-graph v5.7 - important s2idle fixes
Ulf Hansson (5):
cpuidle: psci: Split into two separate build objects
cpuidle: psci: Fail cpuidle registration if set OSI mode failed
cpuidle: psci: Fix error path via converting to a platform driver
cpuidle: psci: Convert PM domain to platform driver
cpuidle: psci: Prevent domain idlestates until consumers are ready
Valdis Kletnieks (1):
opp: core: Add missing export for dev_pm_opp_adjust_voltage
Viresh Kumar (2):
cpufreq: Fix locking issues with governors
cpufreq: Remove the weakly defined cpufreq_default_governor()
Wei Yongjun (1):
cpufreq: powernv: Make some symbols static
Xiang Chen (1):
PM: hibernate: fix white space in a few places
Yangtao Li (1):
powercap: idle_inject: Replace play_idle() with
play_idle_precise() in comments
Zhang Rui (1):
powercap: intel_rapl: add support for Sapphire Rapids
---------------
Documentation/ABI/testing/sysfs-class-devfreq | 12 +
Documentation/admin-guide/kernel-parameters.txt | 5 +
Documentation/admin-guide/pm/cpufreq.rst | 6 +-
Documentation/admin-guide/pm/intel_pstate.rst | 17 +-
.../devicetree/bindings/devfreq/rk3399_dmc.txt | 2 +
Documentation/power/energy-model.rst | 135 +++++-----
Documentation/power/powercap/powercap.rst | 15 +-
MAINTAINERS | 9 +
arch/powerpc/platforms/cell/cpufreq_spudemand.c | 26 +-
arch/x86/include/asm/msr-index.h | 6 +-
drivers/acpi/processor_idle.c | 10 +-
drivers/base/power/domain.c | 194 +++++++-------
drivers/base/power/domain_governor.c | 12 +-
drivers/base/power/sysfs.c | 9 +-
drivers/cpufreq/acpi-cpufreq.c | 10 +-
drivers/cpufreq/amd_freq_sensitivity.c | 2 +-
drivers/cpufreq/cpufreq-dt.c | 2 +-
drivers/cpufreq/cpufreq.c | 122 +++++----
drivers/cpufreq/cpufreq_conservative.c | 22 +-
drivers/cpufreq/cpufreq_governor.c | 2 +-
drivers/cpufreq/cpufreq_ondemand.c | 24 +-
drivers/cpufreq/cpufreq_performance.c | 14 +-
drivers/cpufreq/cpufreq_powersave.c | 18 +-
drivers/cpufreq/cpufreq_userspace.c | 18 +-
drivers/cpufreq/davinci-cpufreq.c | 2 +-
drivers/cpufreq/freq_table.c | 6 +-
drivers/cpufreq/imx6q-cpufreq.c | 2 +-
drivers/cpufreq/intel_pstate.c | 187 +++++++++----
drivers/cpufreq/mediatek-cpufreq.c | 2 +-
drivers/cpufreq/omap-cpufreq.c | 2 +-
drivers/cpufreq/pasemi-cpufreq.c | 2 +
drivers/cpufreq/pcc-cpufreq.c | 2 +-
drivers/cpufreq/powernow-k8.c | 4 +-
drivers/cpufreq/powernv-cpufreq.c | 19 +-
drivers/cpufreq/qcom-cpufreq-hw.c | 2 +-
drivers/cpufreq/scmi-cpufreq.c | 11 +-
drivers/cpufreq/scpi-cpufreq.c | 2 +-
drivers/cpufreq/vexpress-spc-cpufreq.c | 2 +-
drivers/cpuidle/Kconfig.arm | 10 +
drivers/cpuidle/Makefile | 5 +-
drivers/cpuidle/cpuidle-psci-domain.c | 74 ++++--
drivers/cpuidle/cpuidle-psci.c | 141 +++++-----
drivers/cpuidle/cpuidle-psci.h | 11 +-
drivers/cpuidle/cpuidle-tegra.c | 8 +-
drivers/devfreq/devfreq-event.c | 4 +-
drivers/devfreq/devfreq.c | 195 ++++++++++----
drivers/devfreq/rk3399_dmc.c | 42 +--
drivers/idle/intel_idle.c | 53 +++-
drivers/memory/samsung/exynos5422-dmc.c | 14 +-
drivers/mmc/host/jz4740_mmc.c | 12 +-
drivers/opp/core.c | 3 +-
drivers/opp/of.c | 76 +++---
drivers/opp/ti-opp-supply.c | 2 +-
drivers/powercap/idle_inject.c | 10 +-
drivers/powercap/intel_rapl_common.c | 77 +++++-
drivers/powercap/intel_rapl_msr.c | 15 ++
drivers/thermal/cpufreq_cooling.c | 12 +-
fs/nfs/nfs4proc.c | 2 +-
include/linux/cpufreq.h | 14 +
include/linux/cpuidle.h | 9 +-
include/linux/devfreq.h | 9 +
include/linux/device.h | 5 +
include/linux/energy_model.h | 149 ++++++-----
include/linux/freezer.h | 14 +
include/linux/intel_rapl.h | 5 +-
include/linux/pm.h | 10 +-
include/linux/pm_domain.h | 12 +-
include/linux/pm_opp.h | 15 +-
kernel/power/energy_model.c | 290 ++++++++++++++-------
kernel/power/hibernate.c | 6 +-
kernel/power/power.h | 2 +-
kernel/power/snapshot.c | 4 +-
kernel/sched/cpufreq_schedutil.c | 6 +-
kernel/sched/fair.c | 2 +-
kernel/sched/topology.c | 20 +-
scripts/gdb/linux/genpd.py | 12 +-
tools/power/cpupower/lib/cpufreq.c | 10 +-
tools/power/cpupower/man/cpupower-monitor.1 | 4 +-
tools/power/cpupower/utils/helpers/bitmask.c | 6 +-
tools/power/pm-graph/README | 2 +-
tools/power/pm-graph/sleepgraph.py | 249 +++++++++++-------
81 files changed, 1596 insertions(+), 962 deletions(-)
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