[Bug 66494] [gm45/ivb fastboot sna] HDMI connection hidden behind dock during boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66494

--- Comment #33 from Daniel Martin <consume.noise at gmail.com> ---
(In reply to comment #31)
> (In reply to comment #0)
> > ... The monitor gets a signal, but it doesn't show anything. ...
> 
> And I figured out why, the brightness doesn't get initialized/stays at 0.0
> for the output. A simple `xrandr --output HDMI2 --brightness 1.0` fixes it.
> 
> I scrolled like a 100 times through the `xrandr --verbose` output, but
> didn't noticed the offending line earlier. Sorry.

Just had time to test the "gamma fixes" and I can verify that this behaviour is
fixed with commit:
    d36c9542d2bd707838a87c451bf76f091aaf5cba
    sna: Fix gamma query to not request uninitialized values


Then I tested the latest git version (ccf0fdd) with regard to the remaining
problem - that HDMI output doesn't get detected.
Therefor I've created new dmesg and X logs, which I'll attach (and obsolete all
the others). Additionally, I've disabled my randr client to get a more clear
view on what's happening. Within the logs you can see a time gap at the end.
There, I've waited a few seconds and called `xrandr` (at round about
uptime=61.29).


(In reply to comment #32)
> Heck, I had missed we had gone from wondering why the monitor was absent
> from the connections found by the kernel to wondering why your xrandr script
> wasn't working. :)
Nit-pick: it's an application using a self written c++ library with a none
blocking API and that library uses xcb. ;)

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