[Bug 105601] DisplayPort does not work with HDMI adapter on Ivy Bridge
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Apr 19 16:30:32 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=105601
--- Comment #11 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Maxim from comment #10)
> Created attachment 138723 [details]
> dmesg after flicker
>
> (In reply to Ville Syrjala from comment #5)
> > Can you do:
> >
> > dmesg -C
> > wait until the display blink has happened a couple of times
> > dmesg
> >
> > and attach the log from dmesg.
>
> Okay, so I did as you said. Here's dmesg right after display went black two
> times.
Nothing particularly interesting in the log. There is a normal looking
disable->do nothing for ~26 minutes->re-enable modeset sequence (presuambly the
display was just blanked for that period of time?). Also a ton of some ASLE
junk but presumably that should be harmless.
Given the evidence we have I'd lean towards the DP++ dongle simply being
garbage.
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