Dell acpi_video patch

Alberto Villa avilla at FreeBSD.org
Fri Oct 19 22:21:24 UTC 2012


On Fri, Oct 19, 2012 at 7:13 PM, John Baldwin <jhb at freebsd.org> wrote:
> 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.

I know, I was saying that you probably confused bit 31 with bit 16, so
the patch you proposed (about bit 31 being set in _DOD but not in
_ADR) was not correct. ;)
-- 
Alberto Villa, FreeBSD committer <avilla at FreeBSD.org>
http://people.FreeBSD.org/~avilla


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