Public bug reported:
[Impact]
lots of the following warning messages shown in dmesg while plug in HDMI cable
on the dock.
[ 198.450672] xe 0000:00:02.0: [drm] drm_WARN_ON(!domains || domains->aux_io
== POWER_DOMAIN_INVALID)
[ 198.450733] WARNING: CPU: 1 PID: 1919 at
drivers/gpu/drm/i915/display/intel_display_power.c:2527
intel_display_power_aux_io_domain+0x66/0x90 [xe]
[Fix]
The following commit in v6.13 fixes the issue
f7c2ed9d4ce8 drm/i915/dp: Fix AUX IO power enabling for eDP PSR
[Test]
1. Boot up the lunar lake system with a dock connected
2. Connect HDMI external monitor on the dock
3. There should be no any error messages shown in dmesg
[Where problems could occur]
Restrict the AUX IO power only for eDP/PSR outputs which may potentially lead
to the monitor which requires AUX IO power doesn't light up .
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Tags: jira-cpl-65 oem-priority
** Also affects: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Status: New => In Progress
** Changed in: linux-oem-6.11 (Ubuntu Noble)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Tags added: jira-cpl-65 oem-priority
** Changed in: linux-oem-6.11 (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2092373
Title:
Hotplug in HDMI cable on the dock leads to many xe driver warning
messages
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