[Bug 88124] i915: regression: after DP connected (via docking station) monitor is turned off, when turned on, it does not work anymore

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88124

--- Comment #28 from Jiri Pirko <jiri at resnulli.us> ---
(In reply to Jani Nikula from comment #27)
> (In reply to Jiri Pirko from comment #26)
> > Note that this is not an issue using Gnome. It apparently has some smart
> > daemon listening on events and reshuffling displays back again ofter off/on.
> > You have to use some stupid window manager like xmonad in order to reproduce
> > this.
> 
> It is actually userspace policy to enable connected displays, not a kernel
> decision. I'm not even sure why it would work with the directly connected
> case.

It would work correctly if the kernel would expose display under same DP number
(same connector). But after boot it is DP-X and later on after every off/on it
is on DP-Y. That I believe is a bug, don't you think?

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