linux-kernel - [GIT PULL] Power management fixes for v5.10-rc2

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Date:   Fri, 30 Oct 2020 17:28:32 +0100
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 v5.10-rc2

Hi Linus,

Please pull from the tag

 git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
 pm-5.10-rc2

with top-most commit dea47cf45a7f9bb94684830c47d4b259d5f8d6af

 Merge branches 'pm-cpuidle' and 'pm-sleep'

on top of commit 3650b228f83adda7e5ee532e2b90429c03f7b9ec

 Linux 5.10-rc1

to receive power management fixes for 5.10-rc2.

These fix a few issues related to running intel_pstate in the passive
mode with HWP enabled, correct the handling of the max_cstate module
parameter in intel_idle and make a few janitorial changes.

Specifics:

 - Modify Kconfig to prevent configuring either the "conservative"
   or the "ondemand" governor as the default cpufreq governor if
   intel_pstate is selected, in which case "schedutil" is the
   default choice for the default governor setting (Rafael Wysocki).

 - Modify the cpufreq core, intel_pstate and the schedutil governor
   to avoid missing updates of the HWP max limit when intel_pstate
   operates in the passive mode with HWP enabled (Rafael Wysocki).

 - Fix max_cstate module parameter handling in intel_idle for
   processor models with C-state tables coming from ACPI (Chen Yu).

 - Clean up assorted pieces of power management code (Jackie Zamow,
   Tom Rix, Zhang Qilong).

Thanks!


---------------

Chen Yu (1):
      intel_idle: Fix max_cstate for processor models without C-state tables

Jackie Zamow (1):
      PM: sleep: fix typo in kernel/power/process.c

Rafael J. Wysocki (5):
      cpufreq: Avoid configuring old governors as default with intel_pstate
      cpufreq: Introduce CPUFREQ_NEED_UPDATE_LIMITS driver flag
      cpufreq: intel_pstate: Avoid missing HWP max updates in passive mode
      cpufreq: Introduce cpufreq_driver_test_flags()
      cpufreq: schedutil: Always call driver if
CPUFREQ_NEED_UPDATE_LIMITS is set

Tom Rix (1):
      cpufreq: speedstep: remove unneeded semicolon

Zhang Qilong (1):
      cpufreq: e_powersaver: remove unreachable break

---------------

 drivers/cpufreq/Kconfig          |  2 ++
 drivers/cpufreq/cpufreq.c        | 15 ++++++++++++++-
 drivers/cpufreq/e_powersaver.c   |  1 -
 drivers/cpufreq/intel_pstate.c   | 13 ++++++-------
 drivers/cpufreq/longhaul.c       |  1 -
 drivers/cpufreq/speedstep-lib.c  |  2 +-
 drivers/idle/intel_idle.c        |  2 +-
 include/linux/cpufreq.h          | 11 ++++++++++-
 kernel/power/process.c           |  2 +-
 kernel/sched/cpufreq_schedutil.c |  6 ++++--
 10 files changed, 39 insertions(+), 16 deletions(-)