[Bug 105887] [GLK] no signal after switch resolution from 1080p at 23.98
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue May 29 19:15:05 UTC 2018
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.
--
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20180529/bc8a01bc/attachment.html>
More information about the intel-gfx-bugs
mailing list