xrandr providers and offloading to displaylink usb card

Dave Airlie airlied at gmail.com
Sun Jan 6 23:03:35 PST 2013


On Mon, Jan 7, 2013 at 10:23 AM, Sam Lanning <sam at samlanning.com> wrote:
> Hi There,
>
> I have a displaylink usb adapter which i have been trying to get working
> with my setup for a while.
>
> when i run
>
>> xrandr --listproviders
>
> i get the output
>
>> Providers: number : 2
>> Provider 0: id: 106 cap: 0xb, Source Output, Sink Output, Sink Offload
>> crtcs: 2 outputs: 4 associated providers: 1 name:Intel
>> Provider 1: id: 68 cap: 0x2, Sink Output crtcs: 2 outputs: 3 associated
>> providers: 1 name:modesetting
>
> and after running the command
>
>> xrandr --setprovideroutputsource 68 106
>
> I get 3 new outputs added to xrandr:
>
>> LVDS-0 disconnected
>> VGA-0 disconnected
>> HDMI-0 disconnected

that doesn't seem like displaylink to me, the driver will never create
LVDS outputs.

Might want to confirm with a copy of the log file.

Dave.


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