[Bug 111045] [CI][BAT] fi-icl-u4 USB-C igt at kms_chamelium@.* - fail - Failed assertion: igt_hotplug_detected(mon, HOTPLUG_TIMEOUT)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111045

--- Comment #42 from emersion <contact at emersion.fr> ---
It's still not clear what's the best way to proceed.

>From a kernel perspective, the best solution so far would be to do an implicit
modeset on hotplug if the pipe is still active. Hotplug-aware userspace will
disable the pipe on unplug event so the implicit modeset shouldn't happen.
Apparently, there are still some questions about power management that need to
be answered.

>From an IGT test point-of-view, I think I'd still prefer to have one test for
the legacy behavior (skipped on MST and on ICL USB-C), and other tests doing
the Right Thing.

WIP patch adding the legacy test:
https://patchwork.freedesktop.org/series/65182/

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