[Bug 85670] [hsw DP] Haswell Iris 5100 DisplayPort stops working when USB3 device is connected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85670

--- Comment #7 from Andrzej Pronobis <a.pronobis at gmail.com> ---
Created attachment 109817
  --> https://bugs.freedesktop.org/attachment.cgi?id=109817&action=edit
Dmesg output with drm.debug=14

The dmesg output was generated for the following events:
- clean boot with usb/dp disconnected with drm.debug=14 set
- usb 3.0 device is connected first
- DP monitor is connected second
- after some time, xrandr is used to enable the external display

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