user/sven/linux.git/include/linux/pm_opp.h, branch v5.4.43

opp: Add dev_pm_opp_find_level_exact()

2019-07-26T07:54:59Z

Since the performance states in the OPP table are unique, implement a dev_pm_opp_find_level_exact() in order to be able to fetch a specific OPP. Signed-off-by: Niklas Cassel [ Viresh: Updated commit log ] Signed-off-by: Viresh Kumar

opp: Return genpd virtual devices from dev_pm_opp_attach_genpd()

2019-07-26T07:53:31Z

The cpufreq drivers don't need to do runtime PM operations on the virtual devices returned by dev_pm_domain_attach_by_name() and so the virtual devices weren't shared with the callers of dev_pm_opp_attach_genpd() earlier. But the IO device drivers would want to do that. This patch updates the prototype of dev_pm_opp_attach_genpd() to accept another argument to return the pointer to the array of genpd virtual devices. Reported-by: Rajendra Nayak Tested-by: Rajendra Nayak Signed-off-by: Viresh Kumar

Merge branch 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm

2019-06-26T08:53:57Z

Pull operating performance points (OPP) framework changes for v5.3 from Viresh Kumar: "This pull request contains: - OPP core changes to support a wider range of devices, like IO devices (Rajendra Nayak and Stehpen Boyd). - Fixes around genpd_virt_devs (Viresh Kumar). - Fix for platform with set_opp() callback (Dmitry Osipenko)." * 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: opp: Don't use IS_ERR on invalid supplies opp: Make dev_pm_opp_set_rate() handle freq = 0 to drop performance votes opp: Don't overwrite rounded clk rate opp: Allocate genpd_virt_devs from dev_pm_opp_attach_genpd() opp: Attach genpds to devices from within OPP core

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19T15:09:55Z

Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Enrico Weigelt Reviewed-by: Kate Stewart Reviewed-by: Allison Randal Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman

opp: Attach genpds to devices from within OPP core

2019-05-20T06:20:39Z

The OPP core requires the virtual device pointers to set performance state on behalf of the device, for the multiple power domain case. The genpd API (dev_pm_domain_attach_by_name()) has evolved now to support even the single power domain case and that lets us add common code for handling both the cases more efficiently. The virtual device structure returned by dev_pm_domain_attach_by_name() isn't normally used by the cpufreq drivers as they don't manage power on/off of the domains and so is only useful for the OPP core. This patch moves all the complexity into the OPP core to make the end drivers simple. The earlier APIs dev_pm_opp_{set|put}_genpd_virt_dev() are reworked into dev_pm_opp_{attach|detach}_genpd(). The new helper dev_pm_opp_attach_genpd() accepts a NULL terminated array of strings which contains names of all the genpd's to attach. It then attaches all the domains and saves the pointers to the virtual devices. The other helper undo the work done by this helper. Tested-by: Niklas Cassel Signed-off-by: Viresh Kumar

OPP: Introduce dev_pm_opp_find_freq_ceil_by_volt()

2019-04-10T06:43:31Z

This patch introduces a new helper routine in the OPP core, which returns the OPP with the highest frequency which has voltage less than or equal to the target voltage passed to the helper. Signed-off-by: Andrew-sh.Cheng [ Viresh: Massaged the commit log and renamed the helper with some cleanups. ] Signed-off-by: Viresh Kumar

Merge tag 'pm-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

2019-03-06T20:59:46Z

Pull power management updates from Rafael Wysocki: "These are PM-runtime framework changes to use ktime instead of jiffies for accounting, new PM core flag to mark devices that don't need any form of power management, cpuidle updates including driver API documentation and a new governor, cpufreq updates including a new driver for Armada 8K, thermal cleanups and more, some energy-aware scheduling (EAS) enabling changes, new chips support in the intel_idle and RAPL drivers and assorted cleanups in some other places. Specifics: - Update the PM-runtime framework to use ktime instead of jiffies for accounting (Thara Gopinath, Vincent Guittot) - Optimize the autosuspend code in the PM-runtime framework somewhat (Ladislav Michl) - Add a PM core flag to mark devices that don't need any form of power management (Sudeep Holla) - Introduce driver API documentation for cpuidle and add a new cpuidle governor for tickless systems (Rafael Wysocki) - Add Jacobsville support to the intel_idle driver (Zhang Rui) - Clean up a cpuidle core header file and the cpuidle-dt and ACPI processor-idle drivers (Yangtao Li, Joseph Lo, Yazen Ghannam) - Add new cpufreq driver for Armada 8K (Gregory Clement) - Fix and clean up cpufreq core (Rafael Wysocki, Viresh Kumar, Amit Kucheria) - Add support for light-weight tear-down and bring-up of CPUs to the cpufreq core and use it in the cpufreq-dt driver (Viresh Kumar) - Fix cpu_cooling Kconfig dependencies, add support for CPU cooling auto-registration to the cpufreq core and use it in multiple cpufreq drivers (Amit Kucheria) - Fix some minor issues and do some cleanups in the davinci, e_powersaver, ap806, s5pv210, qcom and kryo cpufreq drivers (Bartosz Golaszewski, Gustavo Silva, Julia Lawall, Paweł Chmiel, Taniya Das, Viresh Kumar) - Add a Hisilicon CPPC quirk to the cppc_cpufreq driver (Xiongfeng Wang) - Clean up the intel_pstate and acpi-cpufreq drivers (Erwan Velu, Rafael Wysocki) - Clean up multiple cpufreq drivers (Yangtao Li) - Update cpufreq-related MAINTAINERS entries (Baruch Siach, Lukas Bulwahn) - Add support for exposing the Energy Model via debugfs and make multiple cpufreq drivers register an Energy Model to support energy-aware scheduling (Quentin Perret, Dietmar Eggemann, Matthias Kaehlcke) - Add Ice Lake mobile and Jacobsville support to the Intel RAPL power-capping driver (Gayatri Kammela, Zhang Rui) - Add a power estimation helper to the operating performance points (OPP) framework and clean up a core function in it (Quentin Perret, Viresh Kumar) - Make minor improvements in the generic power domains (genpd), OPP and system suspend frameworks and in the PM core (Aditya Pakki, Douglas Anderson, Greg Kroah-Hartman, Rafael Wysocki, Yangtao Li)" * tag 'pm-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (80 commits) cpufreq: kryo: Release OPP tables on module removal cpufreq: ap806: add missing of_node_put after of_device_is_available cpufreq: acpi-cpufreq: Report if CPU doesn't support boost technologies cpufreq: Pass updated policy to driver ->setpolicy() callback cpufreq: Fix two debug messages in cpufreq_set_policy() cpufreq: Reorder and simplify cpufreq_update_policy() cpufreq: Add kerneldoc comments for two core functions PM / core: Add support to skip power management in device/driver model cpufreq: intel_pstate: Rework iowait boosting to be less aggressive cpufreq: intel_pstate: Eliminate intel_pstate_get_base_pstate() cpufreq: intel_pstate: Avoid redundant initialization of local vars powercap/intel_rapl: add Ice Lake mobile ACPI / processor: Set P_LVL{2,3} idle state descriptions cpufreq / cppc: Work around for Hisilicon CPPC cpufreq ACPI / CPPC: Add a helper to get desired performance cpufreq: davinci: move configuration to include/linux/platform_data cpufreq: speedstep: convert BUG() to BUG_ON() cpufreq: powernv: fix missing check of return value in init_powernv_pstates() cpufreq: longhaul: remove unneeded semicolon cpufreq: pcc-cpufreq: remove unneeded semicolon ..

Merge tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers

2019-02-15T17:00:05Z

Qualcomm ARM Based Driver Updates for v5.1 * Add Qualcomm RPMh power domain driver and related changes * Fix issues with sleep/wake sets and batch API in RPMh * Update MAINTAINERS Qualcomm entry * Fixup RMTFS-mem sysfs and uevents * Fix error handling in GSBI * Add SMD-RPM compatible entry for SDM660 * tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: soc: qcom: smd-rpm: Add sdm660 compatible soc: qcom: gsbi: Fix error handling in gsbi_probe() soc: qcom: rpmh: Avoid accessing freed memory from batch API drivers: qcom: rpmh: avoid sending sleep/wake sets immediately soc: qcom: rmtfs-mem: Make sysfs attributes world-readable soc: qcom: rmtfs-mem: Add class to enable uevents soc: qcom: update config dependencies for QCOM_RPMPD soc: qcom: rpmpd: Drop family A RPM dependency MAINTAINERS: update list of qcom drivers soc: qcom: rpmhpd: Mark mx as a parent for cx soc: qcom: rpmhpd: Add RPMh power domain driver soc: qcom: rpmpd: Add support for get/set performance state soc: qcom: rpmpd: Add a Power domain driver to model corners dt-bindings: power: Add qcom rpm power domain driver bindings OPP: Add support for parsing the 'opp-level' property dt-bindings: opp: Introduce opp-level bindings Signed-off-by: Arnd Bergmann

Merge branch 'opp/power' into cpufreq/qcom-hw

2019-02-08T04:07:09Z

PM / OPP: Introduce a power estimation helper

2019-02-07T04:25:11Z

The Energy Model (EM) framework provides an API to let drivers register the active power of CPUs. The drivers are expected to provide a callback method which estimates the power consumed by a CPU at each available performance levels. How exactly this should be implemented, however, depends on the platform. On some systems, PM_OPP knows the voltage and frequency at which CPUs can run. When coupled with the CPU 'capacitance' (as provided by the 'dynamic-power-coefficient' devicetree binding), it is possible to estimate the dynamic power consumption of a CPU as P = C * V^2 * f, with C its capacitance and V and f respectively the voltage and frequency of the OPP. The Intelligent Power Allocator (IPA) thermal governor already implements that estimation method, in the thermal framework. However, this power estimation method can be applied to any platform where all the parameters are known (C, V and f), and not only those suffering thermal issues. As such, the code implementing this feature can be re-used to also populate the EM framework now used by EAS. As a first step, introduce in PM_OPP a helper function which CPUFreq drivers can use to register into the EM framework. This duplicates the power estimation done in IPA until it can be migrated to using the EM framework. This will be done later, once the EM framework has support for at least all platforms currently supported by IPA. Signed-off-by: Quentin Perret Tested-by: Matthias Kaehlcke Reviewed-by: Matthias Kaehlcke Signed-off-by: Viresh Kumar