[Bug 97135] New: [SKL] Monitor won't light back up after power down with OneLink+ dock

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97135

            Bug ID: 97135
           Summary: [SKL] Monitor won't light back up after power down
                    with OneLink+ 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: ben at bwidawsk.net
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

As the summary says. If I leave my Lenovo X1 Yoga to idle, at some point X will
shut down the displays. There is no unplugging of the dock. From this point
forward, I am unable to bring the monitor back without rebooting the system.
All attempts to xrandr result in an error reported in dmesg:
[drm:intel_mst_disable_dp [i915]] *ERROR* failed to update payload -2

I've not seen any such problems when not using the dock.

I get one such error message on a normal boot, but things work fine after that.

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