[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 #44 from Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> ---
(In reply to Brian Ward from comment #43)
> Hello all,
> 
> I tested from latest Fedora kernel and still reproduced my problem.
> 4.19.12-301.fc29.x86_64
> 
> I built from latest drm-tip 4.20 as of 1/2 and could not reproduce the
> problem. c6a0276a5007c01c64a8a80552b78c115e8a0dae
> 
> It would be great if anyone knows how to identify the code that I could use
> to patch a 4.19 and/or 4.18 kernel to make this work correctly.  Any hints
> would be appreciated.

Hi,

I guess you need to apply this patch:

https://patchwork.freedesktop.org/patch/261135/

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