[Bug 109059] DisplayPort over USB-C not working after resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109059

--- Comment #5 from Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> ---
This looks similar to https://bugs.freedesktop.org/show_bug.cgi?id=106250
actually.

Problem is that DP MST each time gets reassigned with a new connector id, which
might confuse userspace, depending on timing and luck.

Currently there is no official fix, as the fix which I proposed, was told to
have some other side effects. However you can try it anyway, just to confirm
that this is same kind of bug. So please try a "kernel fix" attached to the bug
above.

The real fix is to reuse connector ids, which requires some DP MST connector
life span changes.

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