[PATCH 0/5] Initial DisplayPort OUI probing
daniel at ffwll.ch
Mon May 21 11:47:52 PDT 2012
On Mon, May 21, 2012 at 01:41:47PM -0400, Adam Jackson 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?
I have no clue about this (still trying to get hold of the dp spec), but I
fear we need this. So
Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48
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