On Mon, May 14, 2012 at 9:05 PM, Adam Jackson <ajax at redhat.com> wrote: > DisplayPort has an escape hatch by which devices can identify each other. > I'm not super thrilled that it does, since that's just a clever way of > getting the spec to explicitly bless interoperability bugs. ?But it may > be useful information when debugging link training problems, and there's > a cute trick you can do on iMacs that I think will require knowing this > information, so we may as well fill it in. > > Tested on a Lenovo T500 against a DP->VGA adaptor (which turns out to be > an ST Microelectronics chip, who knew) and an HP LP2480zx (which does > not advertise OUI support, but also harmlessly returns 0s for the OUI > registers if you read them anyway).
I've taken this after I fixed nouveau compile you missed a struct on the probe function, So hopefully someone on nouveau + DP can see it works. Dave.
