[Bug 103645] New: Dell XPS 13 and TB16 thunderbolt dock

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103645

            Bug ID: 103645
           Summary: Dell XPS 13 and TB16 thunderbolt dock
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: patrik.flykt at linux.intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 135347
  --> https://bugs.freedesktop.org/attachment.cgi?id=135347&action=edit
Kernel log for drm-tip 4.14.0-rc8

Dell XPS13 laptop i7-7500U has a Dell TB16 Thunderbolt dock attached.
Thunderbolt itself and USB are verified with respective maintainers to be set
up and working properly. Proper things happen when the dock is plugged in and
out wrt USB and Thunderbolt.

The sequence of events goes like this:
* boot up and plug in the dock USB-C cable with two monitors attached
(VGA+HDMI)
* log in using for example GDM
* configure laptop internal screen off, two external monitors on from for
example GNOME settings application
* pull out the dock USB-C cable
* the open (wayland) application windows are placed on the laptop screen, which
is now turned on automatically
* plug in the dock again
* plug the dock out and in again until GDM restarts

Kernel is drm-tip 4.14.0-rc8, last cable plug out/plug in event happens after
13:33 in the log. Other installed components for Debian 9.1 are:
ii  libdrm-intel1:amd64                       2.4.74-1                  amd64
ii  libgl1-mesa-dri:amd64                     13.0.6-1+b2               amd64
ii  xserver-xorg-video-intel                  2:2.99.917+git20161206-1  amd64

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