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Date:      Sat, 20 Oct 2012 00:21:00 +0200
From:      Alberto Villa <avilla@FreeBSD.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        freebsd-acpi@freebsd.org, Juergen Lock <nox@jelal.kn-bremen.de>, mobile@freebsd.org
Subject:   Re: Dell acpi_video patch
Message-ID:  <CAJp7RHY1DfhYu=qWL1jV7ProD05gOR%2BsL4HmUw6oMb7HsTJjHA@mail.gmail.com>
In-Reply-To: <201210191313.14246.jhb@freebsd.org>
References:  <20121005215316.GA38707@triton8.kn-bremen.de> <201210191053.20041.jhb@freebsd.org> <CAJp7RHac4pUd60LxLqq8exAUgi1ccKG66xS3oLqnsF=5whUUog@mail.gmail.com> <201210191313.14246.jhb@freebsd.org>

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On Fri, Oct 19, 2012 at 7:13 PM, John Baldwin <jhb@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@FreeBSD.org>
http://people.FreeBSD.org/~avilla



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