wayland/weston on displaylink?

[David Herrmann]

Hi Sander

On Tue, May 1, 2012 at 8:50 AM, Sander <wayland at humilis.net> wrote:
> yan.wang at linux.intel.com wrote (ao):
>> > Would it be possible to run weston on a displaylink device?
>>
>> By my understanding, display link device should have multiply methods to
>> display. One is capture screen image by software and transferring by USB,
>> another is construct one virtual display driver to capture as the second
>> display. Which method does Samsung Syncmaster 2243qw use?
>
> Thank you for your reply. I can't find the answer to this on the web,
> unfortunately. Is there a way to determine this from within Linux?
>
> But (sorry for the question) is it relevant? Should the kernel not just
> provide the interface to weston? Console works, and I had X running on
> this setup before too. Would it help if I install X and post it's
> output?

Yes, the new udl driver provides a DRM interface and hence basic
mode-setting should work out-of-the-box. I wonder why weston does not
find the card. Did you apply any "SEAT" value to the displaylink card?