[PATCH v2] drm/udl: Ensure channel is selected before using the device.

[Dave Airlie]

> [drm:udl_driver_load [udl]] *ERROR* Selecting channel failed
> udl 1-2:1.0: fb1: udldrmfb frame buffer device
> [drm] Initialized udl on minor 1
> usbcore: registered new interface driver udl
>
>
> Is this expected WARN?

I've just posted a patch in theory to fix it, please test if oyu have time.

Dave.