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Message-ID: <CAJZ5v0ifxCo1ZLw8OqUMbnJHQLxP7dKjnxzN1wpogmt+dpm_=Q@mail.gmail.com> Date: Fri, 25 Nov 2022 18:42:17 +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 v6.1-rc7 Hi Linus, Please pull from the tag git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \ pm-6.1-rc7 with top-most commit 1056d314709d0607a22e589c54b1e47e0da57b9d Documentation: add amd-pstate kernel command line options on top of commit eb7081409f94a9a8608593d0fb63a1aa3d6f95d8 Linux 6.1-rc6 to receive power management fixes for 6.1-rc7. These revert a recent change in the schedutil cpufreq governor that had not been expected to make any functional difference, but turned out to introduce a performance regression, fix an initialization issue in the amd-pstate driver and make it actually replace the venerable ACPI cpufreq driver on the supported systems by default. Specifics: - Revert a recent schedutil cpufreq governor change that introduced a performance regression on Pixel 6 (Sam Wu). - Fix amd-pstate driver initialization after running the kernel via kexec (Wyes Karny). - Turn amd-pstate into a built-in driver which allows it to take precedence over acpi-cpufreq by default on supported systems and amend it with a mechanism to disable this behavior (Perry Yuan). - Update amd-pstate documentation in accordance with the other changes made to it (Perry Yuan). Thanks! --------------- Perry Yuan (4): cpufreq: amd-pstate: change amd-pstate driver to be built-in type cpufreq: amd-pstate: add amd-pstate driver parameter for mode selection Documentation: amd-pstate: add driver working mode introduction Documentation: add amd-pstate kernel command line options Sam Wu (1): Revert "cpufreq: schedutil: Move max CPU capacity to sugov_policy" Wyes Karny (1): cpufreq: amd-pstate: cpufreq: amd-pstate: reset MSR_AMD_PERF_CTL register at init --------------- Documentation/admin-guide/kernel-parameters.txt | 11 ++++++ Documentation/admin-guide/pm/amd-pstate.rst | 30 +++++++-------- drivers/cpufreq/Kconfig.x86 | 2 +- drivers/cpufreq/amd-pstate.c | 49 +++++++++++++++++-------- kernel/sched/cpufreq_schedutil.c | 30 +++++++-------- 5 files changed, 74 insertions(+), 48 deletions(-)
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