Bugzilla – Bug 1109968
Daisy chained DisplayPort v1.2 screens randomly doesn't resume
Last modified: 2021-12-31 13:08:26 UTC
When resuming from blank power saving, sometimes some of the displays connected trough Daisy chained DisplayPort v1.2 doesn't resume.
Which one of the display doesn't wake up is random.
GPU: Intel® HD Graphics 520 (Skylake GT2)
Displays: 2x 1920x1080 Dell U2414H
Happen on X.Org, XW and also in console
Jan, does it still happen with a newer distribution? We should close otherwise.
(In reply to Miroslav Beneš from comment #2)
> Jan, does it still happen with a newer distribution? We should close
I will re-investigate, as it was so annoying, that I stop using DCh some time ago.
Jan, anything new on your side? Should we just close?
(In reply to Miroslav Beneš from comment #4)
> Jan, anything new on your side? Should we just close?
Cannot test it as we are now grounded at home, and I don't have here screens with daisy chain support.
Nothing has changed much since April 2020, hasn't it?