Skip to content
Power management updates for 5.12-rc1

 - Add new power capping facility called DTPM (Dynamic Thermal Power
   Management), based on the existing power capping framework, to
   allow aggregate power constraints to be applied to sets of devices
   in a distributed manner, along with a CPU backend driver based on
   the Energy Model (Daniel Lezcano, Dan Carpenter, Colin Ian King).

 - Add AlderLake Mobile support to the Intel RAPL power capping
   driver and make it use the topology interface when laying out the
   system topology (Zhang Rui, Yunfeng Ye).

 - Drop the cpufreq tango driver belonging to a platform that is not
   supported any more (Arnd Bergmann).

 - Drop the redundant CPUFREQ_STICKY and CPUFREQ_PM_NO_WARN cpufreq
   driver flags (Viresh Kumar).

 - Update cpufreq drivers:

   * Fix max CPU frequency discovery in the intel_pstate driver and
     make janitorial changes in it (Chen Yu, Rafael Wysocki, Nigel
     Christian).

   * Fix resource leaks in the brcmstb-avs-cpufreq driver (Christophe
     JAILLET).

   * Make the tegra20 driver use the resource-managed API (Dmitry
     Osipenko).

   * Enable boost support in the qcom-hw driver (Shawn Guo).

 - Update the operating performance points (OPP) framework:

   * Clean up the OPP core (Dmitry Osipenko, Viresh Kumar).

   * Extend the OPP API by adding new helpers to it (Dmitry Osipenko,
     Viresh Kumar).

   * Allow required OPPs to be used for devfreq devices and update
     the devfreq governor code accordingly (Saravana Kannan).

   * Prepare the framework for introducing new dev_pm_opp_set_opp()
     helper (Viresh Kumar).

   * Drop dev_pm_opp_set_bw() and update related drivers (Viresh
     Kumar).

   * Allow lazy linking of required-OPPs (Viresh Kumar).

 - Simplify and clean up devfreq somewhat (Lukasz Luba, Yang Li,
   Pierre Kuo).

 - Update the generic power domains (genpd) framework:

   * Use device's next wakeup to determine domain idle state (Lina
     Iyer).

   * Improve initialization and debug (Dmitry Osipenko).

   * Simplify computations (Abaci Team).

 - Make janitorial changes in the core code handling system sleep
   and PM-runtime (Bhaskar Chowdhury, Bjorn Helgaas, Rikard Falkeborn,
   Zqiang).

 - Update the MAINTAINERS entry for the exynos cpuidle driver and
   drop DEBUG definition from intel_idle (Krzysztof Kozlowski, Tom
   Rix).

 - Extend the PM clock layer to cover clocks that must sleep (Nicolas
   Pitre).

 - Update the cpupower utility:

   * Update cpupower command, add support for AMD family 0x19 and clean
     up the code to remove many of the family checks to make future
     family updates easier (Nathan Fontenot, Robert Richter).

   * Add Makefile dependencies for install targets to allow building
     cpupower in parallel rather than serially (Ivan Babrou).

 - Make janitorial changes in power management Kconfig (Lukasz Luba).