On Mon, 2012-05-14 at 16:05 -0400, Adam Jackson 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). Bump. Any takers? - ajax
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