On Mon, May 21, 2012 at 1:41 PM, Adam Jackson <ajax at redhat.com> wrote: > 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 >
Radeon & core drm part looks good to me, so Reviewed-by: Jerome Glisse <jglisse at redhat.com> But i am not sure how useful this is, i want to blind my eyes and keep thinking no hw manufacturer will abuse the oui stuff. Cheers, Jerome
