On Friday, October 19, 2012 11:41:56 am Alberto Villa wrote:
> On Fri, Oct 19, 2012 at 4:53 PM, John Baldwin <j...@freebsd.org> wrote:
> > I'm looking at section B.4.2 in the 3.0b spec, it has a sample _DOD of:
> 
> I've read section B.3.2 of 5.0 spec, which looks the same as 3.0b, but
> my IDs don't have bit 31 set, they have bit 16 (which is the
> difference between _DOD and _ADR you were probably talking about). Or
> am I missing the point?

Yes, unless bit 31 is set, we can't know anything about bits 0-15 except
that they are "unique".  Specifically, we can't look at the "Display Type"
bits to determine if an output device is a CRT vs LCD vs TV, etc.  You
can only do that if bit 31 is set.

-- 
John Baldwin
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