[Bug 100745] amdgpu fails to wake up DisplayPort DELL monitors with 'clock recovery failed'

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=100745

Eddie Ringle <eddie@ringle.io> changed:

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                 CC|                            |eddie@ringle.io

--- Comment #6 from Eddie Ringle <eddie@ringle.io> ---
Wanted to add that I'm seeing this issue now under a similar setup. I've seen
it in the past, but the last few kernel releases have been pretty smooth. Once
I upgraded to GNOME 3.26, however, both 4.13 and now 4.14-rc3 are displaying
this issue.

I'm on Arch (using Wayland primarily), with a Fury X and three Dell P2415Q
monitors, also connected via DisplayPort. I have MST disabled on all three,
since (even Dell has documented) this model has issues hitting 4K@60Hz with it
enabled.

Same "displayport link status failed" and "clock recovery failed" messages
appear for me, also three times in a row. This more often than not leads to
gnome-shell crashing. I see it most often after I've put my computer to sleep
when I try to wake it up. Other times when putting it to sleep, one monitor
will stay powered and show a backlit blank screen.

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