[Bug 105887] [GLK] no signal after switch resolution from 1080p at 23.98

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105887

--- Comment #75 from Clinton Taylor <clinton.a.taylor at intel.com> ---
(In reply to shashank.sharma at intel.com from comment #74)
> Well, I could not relate that, as there are few parallel thread. Also I
> don't understand why we need a HDMI 2.0 retimer on GLK as it already has a
> HDMI 2.0 native controller, unless someone needs 2 or 3 HDMI 2.0 sources
> coming out of GLK NUC, and NUC was short of it, and some platform team
> decided to use some Paradetech dongle to convert DP 1.2 -> HDMI 2.0. 
> 

The ITE66317 retimer implementation does seem to be causing the Linux driver
some difficulty. Based on what I have seen so far, the Linux driver doesn't
wait long enough during mode changes for the retimer to sync correctly to the
new faster clock.

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