** Changed in: systemd (Ubuntu Noble)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2045621
Title:
Improve power consumption on Framework systems
Status in OEM Priority Project:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in systemd-hwe package in Ubuntu:
Invalid
Status in systemd source package in Jammy:
Won't Fix
Status in systemd-hwe source package in Jammy:
Fix Released
Status in systemd source package in Lunar:
Won't Fix
Status in systemd-hwe source package in Lunar:
Won't Fix
Status in systemd source package in Mantic:
Won't Fix
Status in systemd-hwe source package in Mantic:
Fix Released
Status in systemd source package in Noble:
Fix Released
Status in systemd-hwe source package in Noble:
Invalid
Bug description:
[ Impact ]
* Framework systems that have DP or HDMI cards connected will have
increased power consumption even when nothing is connected to DP or
HDMI ports since the cards don't default to autosuspend.
* Backporting upstream patch that adds rules in
hwdb.d/60-autosuspend.hwdb for Framework's HDMI and DP extensions.
[ Test Plan ]
* DUT: Framework with DP and HDMI:
$ lsusb | grep Framework
Bus 007 Device 002: ID 32ac:0003 Framework DisplayPort Expansion Card
Bus 001 Device 002: ID 32ac:0002 Framework HDMI Expansion Card
1. Autosuspend is not enabled before patch. Set to "on" in
power/control
$ cat /sys/devices/pci0000:00/0000:00:08.1/0000:c1:00.3/usb1/1-1/manufacturer
Framework
$ cat /sys/devices/pci0000:00/0000:00:08.1/0000:c1:00.3/usb1/1-1/power/control
on
$ cat /sys/devices/pci0000:00/0000:00:08.1/0000:c1:00.3/usb1/1-2/manufacturer
Framework
$ cat /sys/devices/pci0000:00/0000:00:08.1/0000:c1:00.3/usb1/1-2/power/control
on
2. Install patch
3. Autosuspend is enabled for both extensions. Set to "auto" in power/control
$ cat power/control
auto
[ Where problems could occur ]
* During testing verified that both DP+HDMI display show good output after
hot-plug, system suspend, and reboot. There might be some differences when
hibernate and hotplug.
[ Other Info ]
*
https://github.com/systemd/systemd/commit/9023630cb7025650aa4d01ee794b0bb68bfdf2c1
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