Weirdly behaving CPU power setting on Thinkpad X1 carbon Intel i7-10710U

[Bartosz Woronicz]

On current kernel 5.15.0-89-generic I change the setting to power, but when I check /sys nothing happens

root@graf:~# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
performance powersave
root@graf:~# cat /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference
balance_performance
root@graf:~# cat /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences
default performance balance_performance balance_power power
root@graf:~# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
powersave
root@graf:~# cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
powersave
powersave
powersave
powersave
powersave
powersave
powersave
powersave
powersave
powersave
powersave
powersave

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-89-generic 5.15.0-89.99
ProcVersionSignature: Ubuntu 5.15.0-89.99-generic 5.15.126
Uname: Linux 5.15.0-89-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Dec 8 21:24:31 2023
InstallationDate: Installed on 2021-04-15 (967 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
MachineType: LENOVO 20R10015US
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-89-generic root=/dev/mapper/ubuntu-root ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-5.15.0-89-generic N/A
 linux-backports-modules-5.15.0-89-generic N/A
 linux-firmware 20220329.git681281e4-0ubuntu3.23
SourcePackage: linux
UpgradeStatus: Upgraded to jammy on 2022-04-24 (592 days ago)
dmi.bios.date: 11/08/2023
dmi.bios.release: 1.48
dmi.bios.vendor: LENOVO
dmi.bios.version: N2QET54W(1.48 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20R10015US
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.19
dmi.modalias: dmi:bvnLENOVO:bvrN2QET54W(1.48):bd11/08/2023:br1.48:efr1.19:svnLENOVO:pn20R10015US:pvrThinkPadX1Carbon7th:rvnLENOVO:rn20R10015US:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20R1_BU_Think_FM_ThinkPadX1Carbon7th:
dmi.product.family: ThinkPad X1 Carbon 7th
dmi.product.name: 20R10015US
dmi.product.sku: LENOVO_MT_20R1_BU_Think_FM_ThinkPad X1 Carbon 7th
dmi.product.version: ThinkPad X1 Carbon 7th
dmi.sys.vendor: LENOVO