https://bugs.kde.org/show_bug.cgi?id=419061

Aleix Pol <aleix...@kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |aleix...@kde.org

--- Comment #3 from Aleix Pol <aleix...@kde.org> ---
If I use my dock (Dell WD15) I also can reproduce this somehow. Using the
environment variables mentioned above I get the following output upon
reconnecting it. Note there's 2 displays connected there, could maybe explain
why it's receiving 4 events?

kwin/plugins/platforms/drm/drm_backend.cpp:373) - Received hot plug event for
monitored drm device
kwin/plugins/platforms/drm/drm_backend.cpp:520) - Reading output configuration
for [ "5eb6e7d202" ] [ "5eb6e7d202" ]
kwin/plugins/platforms/drm/drm_backend.cpp:373) - Received hot plug event for
monitored drm device
kwin/plugins/platforms/drm/drm_backend.cpp:520) - Reading output configuration
for [ "5eb6e7d202" ] [ "5eb6e7d202" ]
kwin/plugins/platforms/drm/drm_backend.cpp:373) - Received hot plug event for
monitored drm device
kwin/plugins/platforms/drm/drm_backend.cpp:520) - Reading output configuration
for [ "5eb6e7d202" ] [ "5eb6e7d202" ]
kwin/plugins/platforms/drm/drm_backend.cpp:373) - Received hot plug event for
monitored drm device
kwin/plugins/platforms/drm/drm_backend.cpp:520) - Reading output configuration
for [ "5eb6e7d202" ] [ "5eb6e7d202" ]

If instead I log out and log back in, then it works perfectly.

Bear in mind that if I use my usbc adaptors it works, so it's going to be hard
to reproduce. The code works, there's probably something wonky in our display
listing code. Also note it's being detected too.

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