Changes in README

f088104d837a991c65e51fa30bb4196169b3244d - Merge drm/drm-next into drm-intel-gt-next

Tue, 16 Sep 2025 12:53:20 +0200

Merge drm/drm-next into drm-intel-gt-nextBackmerge in order to get the commit: 048832a3f400 ("drm/i915: Refactor shmem_pwrite() to use kiocb and write_iter")To drm-intel-gt-next as there are followup fixes to be applied.Signed-off-by: Joonas Lahtinen List of files: /linux/tools/power/cpupower/README

ab93e0dd72c37d378dd936f031ffb83ff2bd87ce - Merge branch 'next' into for-linus

Wed, 06 Aug 2025 19:08:54 +0200

Merge branch 'next' into for-linusPrepare input updates for 6.17 merge window. List of files: /linux/tools/power/cpupower/README

a7bee4e7f78089c101be2ad51f4b5ec64782053e - Merge tag 'ib-mfd-gpio-input-pwm-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next

Mon, 04 Aug 2025 08:28:48 +0200

Merge tag 'ib-mfd-gpio-input-pwm-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into nextMerge an immutable branch between MFD, GPIO, Input and PWM to resolveconflicts for the merge window pull request. List of files: /linux/tools/power/cpupower/README

74f1af95820fc2ee580a775a3a17c416db30b38c - Merge remote-tracking branch 'drm/drm-next' into msm-next

Sun, 29 Jun 2025 04:54:49 +0200

Merge remote-tracking branch 'drm/drm-next' into msm-nextBack-merge drm-next to (indirectly) get arm-smmu updates for makingstall-on-fault more reliable.Signed-off-by: Rob Clark List of files: /linux/tools/power/cpupower/README

c598d5eb9fb331ba17bc9ad67ae9a2231ca5aca5 - Merge drm/drm-next into drm-misc-next

Wed, 11 Jun 2025 09:01:34 +0200

Merge drm/drm-next into drm-misc-nextBackmerging to forward to v6.16-rc1Signed-off-by: Thomas Zimmermann List of files: /linux/tools/power/cpupower/README

86e2d052c2320bf12571a5d96b16c2745e1cfc5e - Merge drm/drm-next into drm-xe-next

Mon, 09 Jun 2025 18:26:55 +0200

Merge drm/drm-next into drm-xe-nextBackmerging to bring in 6.16Signed-off-by: Thomas Hellström List of files: /linux/tools/power/cpupower/README

34c55367af96f62e89221444f04487440ebc6487 - Merge drm/drm-next into drm-intel-next

Mon, 09 Jun 2025 11:40:46 +0200

Merge drm/drm-next into drm-intel-nextSync to v6.16-rc1, among other things to get the fixed size GENMASK_U*()and BIT_U*() macros.Signed-off-by: Jani Nikula List of files: /linux/tools/power/cpupower/README

c89756bcf406af313d191cfe3709e7c175c5b0cd - Merge tag 'pm-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Wed, 28 May 2025 01:48:47 +0200

Merge tag 'pm-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmPull power management updates from Rafael Wysocki: "Once again, the changes are dominated by cpufreq updates, but this time the majority of them are cpufreq core changes, mostly related to the introduction of policy locking guards and __free() usage, and fixes related to boost handling. Still, there is also a significant update of the intel_pstate driver making it register an energy model when running on a hybrid platform which is used for enabling energy-aware scheduling (EAS) if the driver operates in the passive mode (and schedutil is used as the cpufreq governor for all CPUs which is the passive mode default). There are some amd-pstate driver updates too, for a good measure, including the "Requested CPU Min frequency" BIOS option support and new online/offline callbacks. In the cpuidle space, the most significant change is the addition of a C1 demotion on/off sysfs knob to intel_idle which should help some users to configure their systems more precisely. There is also the conversion of the PSCI cpuidle driver to a faux device one and there are two small updates of cpuidle governors. Device power management is also modified quite a bit, especially the handling of devices with asynchronous suspend and resume enabled during system transitions. They are now going to be handled more asynchronously during suspend transitions and somewhat less aggressively during resume transitions. Apart from the above, the operating performance points (OPP) library is now going to use mutex locking guards and scope-based cleanup helpers and there is the usual bunch of assorted fixes and code cleanups. Specifics: - Fix potential division-by-zero error in em_compute_costs() (Yaxiong Tian) - Fix typos in energy model documentation and example driver code (Moon Hee Lee, Atul Kumar Pant) - Rearrange the energy model management code and add a new function for adjusting a CPU energy model after adjusting the capacity of the given CPU to it (Rafael Wysocki) - Refactor cpufreq_online(), add and use cpufreq policy locking guards, use __free() in policy reference counting, and clean up core cpufreq code on top of that (Rafael Wysocki) - Fix boost handling on CPU suspend/resume and sysfs updates (Viresh Kumar) - Fix des_perf clamping with max_perf in amd_pstate_update() (Dhananjay Ugwekar) - Add offline, online and suspend callbacks to the amd-pstate driver, rename and use the existing amd_pstate_epp callbacks in it (Dhananjay Ugwekar) - Add support for the "Requested CPU Min frequency" BIOS option to the amd-pstate driver (Dhananjay Ugwekar) - Reset amd-pstate driver mode after running selftests (Swapnil Sapkal) - Avoid shadowing ret in amd_pstate_ut_check_driver() (Nathan Chancellor) - Add helper for governor checks to the schedutil cpufreq governor and move cpufreq-specific EAS checks to cpufreq (Rafael Wysocki) - Populate the cpu_capacity sysfs entries from the intel_pstate driver after registering asym capacity support (Ricardo Neri) - Add support for enabling Energy-aware scheduling (EAS) to the intel_pstate driver when operating in the passive mode on a hybrid platform (Rafael Wysocki) - Drop redundant cpus_read_lock() from store_local_boost() in the cpufreq core (Seyediman Seyedarab) - Replace sscanf() with kstrtouint() in the cpufreq code and use a symbol instead of a raw number in it (Bowen Yu) - Add support for autonomous CPU performance state selection to the CPPC cpufreq driver (Lifeng Zheng) - OPP: Add dev_pm_opp_set_level() (Praveen Talari) - Introduce scope-based cleanup headers and mutex locking guards in OPP core (Viresh Kumar) - Switch OPP to use kmemdup_array() (Zhang Enpei) - Optimize bucket assignment when next_timer_ns equals KTIME_MAX in the menu cpuidle governor (Zhongqiu Han) - Convert the cpuidle PSCI driver to a faux device one (Sudeep Holla) - Add C1 demotion on/off sysfs knob to the intel_idle driver (Artem Bityutskiy) - Fix typos in two comments in the teo cpuidle governor (Atul Kumar Pant) - Fix denying of auto suspend in pm_suspend_timer_fn() (Charan Teja Kalla) - Move debug runtime PM attributes to runtime_attrs[] (Rafael Wysocki) - Add new devm_ functions for enabling runtime PM and runtime PM reference counting (Bence Csókás) - Remove size arguments from strscpy() calls in the hibernation core code (Thorsten Blum) - Adjust the handling of devices with asynchronous suspend enabled during system suspend and resume to start resuming them immediately after resuming their parents and to start suspending such a device immediately after suspending its first child (Rafael Wysocki) - Adjust messages printed during tasks freezing to avoid using pr_cont() (Andrew Sayers, Paul Menzel) - Clean up unnecessary usage of !! in pm_print_times_init() (Zihuan Zhang) - Add missing wakeup source attribute relax_count to sysfs and remove the space character at the end ofi the string produced by pm_show_wakelocks() (Zijun Hu) - Add configurable pm_test delay for hibernation (Zihuan Zhang) - Disable asynchronous suspend in ucsi_ccg_probe() to prevent the cypd4226 device on Tegra boards from suspending prematurely (Jon Hunter) - Unbreak printing PM debug messages during hibernation and clean up some related code (Rafael Wysocki) - Add a systemd service to run cpupower and change cpupower binding's Makefile to use -lcpupower (John B. Wyatt IV, Francesco Poli)"* tag 'pm-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (72 commits) cpufreq: CPPC: Add support for autonomous selection cpufreq: Update sscanf() to kstrtouint() cpufreq: Replace magic number OPP: switch to use kmemdup_array() PM: freezer: Rewrite restarting tasks log to remove stray *done.* PM: runtime: fix denying of auto suspend in pm_suspend_timer_fn() cpufreq: drop redundant cpus_read_lock() from store_local_boost() cpupower: do not install files to /etc/default/ cpupower: do not call systemctl at install time cpupower: do not write DESTDIR to cpupower.service PM: sleep: Introduce pm_sleep_transition_in_progress() cpufreq/amd-pstate: Avoid shadowing ret in amd_pstate_ut_check_driver() cpufreq: intel_pstate: Document hybrid processor support cpufreq: intel_pstate: EAS: Increase cost for CPUs using L3 cache cpufreq: intel_pstate: EAS support for hybrid platforms PM: EM: Introduce em_adjust_cpu_capacity() PM: EM: Move CPU capacity check to em_adjust_new_capacity() PM: EM: Documentation: Fix typos in example driver code cpufreq: Drop policy locking from cpufreq_policy_is_good_for_eas() PM: sleep: Introduce pm_suspend_in_progress() ... List of files: /linux/tools/power/cpupower/README

3e0c509fbdb106ba2d2fa13beafe58f4ba11e13d - Merge branch 'pm-tools'

Mon, 26 May 2025 21:24:27 +0200

Merge branch 'pm-tools'Merge a cpupower utility update for 6.16-rc1 that adds a systemd serviceto run cpupower and changes binding's Makefile to use -lcpupower (John B.Wyatt IV, Francesco Poli).* pm-tools: cpupower: do not install files to /etc/default/ cpupower: do not call systemctl at install time cpupower: do not write DESTDIR to cpupower.service cpupower: change binding's makefile to use -lcpupower cpupower: add a systemd service to run cpupower List of files: /linux/tools/power/cpupower/README

6cfb07e61b7ba503e71a287aee4482a1412b6571 - Merge tag 'linux-cpupower-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux

Fri, 16 May 2025 22:07:53 +0200

Merge tag 'linux-cpupower-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linuxMerge cpupower utility update for 6.16 from Shuah Khan:"Adds systemd service to run cpupower and changes binding's makefile to use -lcpupower. cpupower: add a systemd service to run cpupower cpupower: do not write DESTDIR to cpupower.service cpupower: do not call systemctl at install time cpupower: do not install files to /etc/default/ cpupower: change binding's makefile to use -lcpupower"* tag 'linux-cpupower-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: cpupower: do not install files to /etc/default/ cpupower: do not call systemctl at install time cpupower: do not write DESTDIR to cpupower.service cpupower: change binding's makefile to use -lcpupower cpupower: add a systemd service to run cpupower List of files: /linux/tools/power/cpupower/README

e5174365c13246ed8fd2d40900edec37be6f7a34 - cpupower: do not install files to /etc/default/

Tue, 13 May 2025 18:29:33 +0200

cpupower: do not install files to /etc/default/Improve the installation procedure for the systemd service unit'cpupower.service', to be more distro-agnostic. Do not install theservice unit configuration file to /etc/default/ (a directory thatis used by Debian and Debian-derivatives and only rarely by otherdistros).Also, clarify the role of the configuration file in its own comments.Link: https://lore.kernel.org/linux-pm/20250509002206.bd2519ba52035d47c3c32aa6@paranoici.org/T/#ma8a3fa80acc4036af6c754e8ecabacc55b288ad1Link: https://lore.kernel.org/r/20250513163937.61062-5-invernomuto@paranoici.orgFixes: 9c70b779ad91 ("cpupower: add a systemd service to run cpupower")Signed-off-by: Francesco Poli (wintermute) Signed-off-by: Shuah Khan List of files: /linux/tools/power/cpupower/README

4edef850a15c761039a50c119dbc8769b08ca45b - cpupower: do not call systemctl at install time

Tue, 13 May 2025 18:29:32 +0200

cpupower: do not call systemctl at install timeFix the installation procedure for the systemd service unit'cpupower.service'. Do not call "systemctl daemon-reload" in theMakefile, but explain when this command should be manually issuedin the README file.Link: https://lore.kernel.org/linux-pm/20250509002206.bd2519ba52035d47c3c32aa6@paranoici.org/T/#mfbb938f9c0d5a21173acb92a061eb9205fd0abfeLink: https://lore.kernel.org/r/20250513163937.61062-4-invernomuto@paranoici.orgFixes: 9c70b779ad91 ("cpupower: add a systemd service to run cpupower")Signed-off-by: Francesco Poli (wintermute) Signed-off-by: Shuah Khan List of files: /linux/tools/power/cpupower/README

9c70b779ad91604dbfcfcde90c292797cb1ff352 - cpupower: add a systemd service to run cpupower

Fri, 25 Apr 2025 17:07:31 +0200

cpupower: add a systemd service to run cpupowerOne of the most typical use cases of the 'cpupower' utility works asfollows: run 'cpupower' at boot with the desired command-line optionsand then forget about it.Add a systemd service (disabled by default) that automates this usecase (for environments where the initialization system is 'systemd'),by running 'cpupower' at boot with the settings read from a defaultconfiguration file.The systemd service, the associated support script and thecorresponding default configuration file are derived from what isprovided by the Arch Linux package (under "GPL-2.0-or-later" terms),modernized and enhanced in various ways (the script has also beenchecked with 'shellcheck').Link: https://gitlab.archlinux.org/archlinux/packaging/packages/linux-tools/-/tree/dd2e2a311e05413d0d87a0346ffce8c7e98d6d2bSigned-off-by: Francesco Poli (wintermute) Reviewed-by: John B. Wyatt IV Reviewed-by: John B. Wyatt IV Tested-by: John B. Wyatt IV Tested-by: John B. Wyatt IV Signed-off-by: Shuah Khan List of files: /linux/tools/power/cpupower/README

c771600c6af14749609b49565ffb4cac2959710d - Merge drm/drm-next into drm-intel-gt-next

Wed, 05 Feb 2025 10:29:14 +0100

Merge drm/drm-next into drm-intel-gt-nextWe need4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope")in order to land a i915 PMU simplification and a fix. That landed in 6.12and we are stuck at 6.9 so lets bump things forward.Signed-off-by: Tvrtko Ursulin List of files: /linux/tools/power/cpupower/README

36ec807b627b4c0a0a382f0ae48eac7187d14b2b - Merge branch 'next' into for-linus

Fri, 20 Sep 2024 10:24:24 +0200

Merge branch 'next' into for-linusPrepare input updates for 6.12 merge window. List of files: /linux/tools/power/cpupower/README

f057b57270c2a17d3f45c177e9434fa5745caa48 - Merge branch 'ib/6.11-rc6-matrix-keypad-spitz' into next

Fri, 06 Sep 2024 06:49:07 +0200

Merge branch 'ib/6.11-rc6-matrix-keypad-spitz' into nextBring in changes removing support for platform data from matrix-keypaddriver. List of files: /linux/tools/power/cpupower/README

66e72a01b60ae6950ddbb3585fdc1424d303e14b - Merge tag 'v6.11-rc1' into clk-meson-next

Mon, 29 Jul 2024 16:32:02 +0200

Merge tag 'v6.11-rc1' into clk-meson-nextLinux 6.11-rc1 List of files: /linux/tools/power/cpupower/README

ee057c8c194b9283f4137b253b70e292693a39f0 - Merge tag 'v6.11-rc3' into trace/ring-buffer/core

Wed, 14 Aug 2024 22:56:42 +0200

Merge tag 'v6.11-rc3' into trace/ring-buffer/coreThe "reserve_mem" kernel command line parameter has been pulled intov6.11. Merge the latest -rc3 to allow the persistent ring buffer memory tobe able to be mapped at the address specified by the "reserve_mem" commandline parameter.Signed-off-by: Steven Rostedt (Google) List of files: /linux/tools/power/cpupower/README

c8faf11cd192214e231626c3ee973a35d8fc33f2 - Merge tag 'v6.11-rc1' into for-6.12

Tue, 30 Jul 2024 21:30:11 +0200

Merge tag 'v6.11-rc1' into for-6.12Linux 6.11-rc1 List of files: /linux/tools/power/cpupower/README

ed7171ff9fabc49ae6ed42fbd082a576473836fc - Merge drm/drm-next into drm-xe-next

Fri, 16 Aug 2024 19:05:54 +0200

Merge drm/drm-next into drm-xe-nextGet drm-xe-next on v6.11-rc2 and synchronized with drm-intel-next forthe display side. This resolves the current conflict for theenable_display module parameter and allows further pending refactors.Signed-off-by: Lucas De Marchi List of files: /linux/tools/power/cpupower/README