[Bug 111507] Unable to detect monitor modes connected to a TB16 Dell dock

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111507

--- Comment #9 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Stanislav Lisovskiy from comment #7)
> I've looked briefly into the log. There seems to be multiple DP MST
> connectors detected and some modes were pruned as invalid.
> 
> Another thing is that if correspondent i915_display_info debugfs entry
> doesn't display anything except this:
> 
> connector 118: type DP-5, status: connected
> 	physical dimensions: 600x340mm
> 	subpixel order: Unknown
> 	CEA rev: 3
> 
> it means that it could not find an intel_encoder,

That's a clear bug in i915_display_info. It should still list the modes even if
there's no encoder.

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