Comment 20 for bug 1810619

@superm1

1) When I'm on battery, there is just an USB-C adapter with just a nano receiver for my cordless mouse. On AC, there is a USB-C all-in-one which is plugged in (output DVI, another nano USB receiver, ethernet)

2)
$ sudo powertop with --auto-tune
modprobe cpufreq_stats failed19 mesures préalables chargées
Impossible de charger à partir du fichier /var/cache/powertop/saved_parameters.powertop
File will be loaded after taking minimum number of measurement(s) with battery only
RAPL device for cpu 0
RAPL Using PowerCap Sysfs : Domain Mask f
RAPL device for cpu 0
RAPL Using PowerCap Sysfs : Domain Mask f
Devfreq not enabled
glob returned GLOB_ABORTED
Impossible de charger à partir du fichier /var/cache/powertop/saved_parameters.powertop
File will be loaded after taking minimum number of measurement(s) with battery only
To show power estimates do 344 measurement(s) connected to battery only
Sortie de PowerTOP

3) On battery
michel@skeleton:~$ sudo cat /sys/kernel/debug/pmc_core/pch_ip_power_gating_status
PCH IP: 0 - PMC State: On
PCH IP: 1 - OPI-DMI State: On
PCH IP: 2 - SPI / eSPI State: On
PCH IP: 3 - XHCI State: On
PCH IP: 4 - SPA State: Off
PCH IP: 5 - SPB State: On
PCH IP: 6 - SPC State: Off
PCH IP: 7 - GBE State: Off
PCH IP: 8 - SATA State: Off
PCH IP: 9 - HDA-PGD0 State: Off
PCH IP: 10 - HDA-PGD1 State: Off
PCH IP: 11 - HDA-PGD2 State: Off
PCH IP: 12 - HDA-PGD3 State: Off
PCH IP: 13 - RSVD State: Off
PCH IP: 14 - LPSS State: Off
PCH IP: 15 - LPC State: Off
PCH IP: 16 - SMB State: Off
PCH IP: 17 - ISH State: Off
PCH IP: 18 - P2SB State: Off
PCH IP: 19 - DFX State: Off
PCH IP: 20 - SCC State: Off
PCH IP: 21 - RSVD State: Off
PCH IP: 22 - FUSE State: On
PCH IP: 23 - CAMERA State: Off
PCH IP: 24 - RSVD State: Off
PCH IP: 25 - USB3-OTG State: Off
PCH IP: 26 - EXI State: Off
PCH IP: 27 - CSE State: Off
PCH IP: 28 - CSME_KVM State: Off
PCH IP: 29 - CSME_PMT State: Off
PCH IP: 30 - CSME_CLINK State: Off
PCH IP: 31 - CSME_PTIO State: Off
PCH IP: 32 - CSME_USBR State: Off
PCH IP: 33 - CSME_SUSRAM State: Off
PCH IP: 34 - CSME_SMT State: Off
PCH IP: 35 - RSVD State: Off
PCH IP: 36 - CSME_SMS2 State: Off
PCH IP: 37 - CSME_SMS1 State: Off
PCH IP: 38 - CSME_RTC State: Off
PCH IP: 39 - CSME_PSF State: Off