[Bug 103786] [SKL] Display resolution 3840x2160/60Hz do not work with docking station

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103786

Lakshmi <lakshminarayana.vudum at intel.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |NEEDINFO

--- Comment #48 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Jan Hoffmann from comment #42)
> I tested with another adapter, the CAC-1080 (which apparently uses a
> MCDP2900 converter chip). With this adapter, audio works fine.
> 
> However, with the CAC-1080, 4K video at 60 Hz only works reliably on the
> laptop DP port.

For this case can you please attach the dmesg from boot with debug parameters
(from drmtip)?

>From drmtip kernel, good to see the logs with docking station (where it's not
working as expected, which is already attached) and without docking station.

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