Also additional note. According to the Dell thread, it seems that this
issue is easier to reproduce with higher bandwidth required. E.g. there
was a report that this issue could be reproduced with 1080p + 120 Hz
when it works fine with 1080p + 60 Hz.
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You received this bug notification because
Just in case related thread on Dell forum
https://www.dell.com/community/XPS/XPS-13-9300-and-WD19TB-linux-
problem/td-p/7644488
and bug report
https://gitlab.freedesktop.org/drm/intel/-/issues/1453
It is interesting that disabling MST support in the kernel
(i915.enable_dp_mst=0)
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