[Bug 107546] Screen is frozen on second connection of DP MST dock

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107546

--- Comment #17 from Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> ---
I could reproduce it now with different DELL docking station - happens only
with 2 screens with exactly this (07cf212bc704357ee60aba52ec40bab538222040)
drm-tip.

There are lots of time outs like:

[   34.784041] [drm:drm_atomic_helper_wait_for_flip_done] *ERROR* [CRTC:55:pipe
B] flip_done timed out
[   45.024099] [drm:drm_atomic_helper_wait_for_dependencies] *ERROR*
[CRTC:55:pipe B] flip_done timed out

Everything hangs, however ssh access works. I will now investigate what is the
problem.

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