[Bug 107281] Some DP MST hubs cause the driver to get stuck in link training clock recovery loop on hot-plugging

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jul 27 07:20:47 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=107281

--- Comment #3 from Radosław Szwichtenberg <radoslaw.szwichtenberg at intel.com> ---
(In reply to nathan.d.ciobanu from comment #0)
> Created attachment 140705 [details]
> Instrumented driver dmesg
> 
> The i915 driver can get stuck in the link training clock recovery infinite
> loop when a USB-C DP MST hub with two DP displays is hot-plugged. 
> 
Hello!
Could you please confirm if the problem is fixed with changes prepared by
Dhinakaran Pandiyan?

Thanks!

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