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Date:      Fri, 15 May 1998 23:42:45 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        dawes@rf900.physics.usyd.edu.au (David Dawes)
Cc:        dyson@FreeBSD.ORG, sos@FreeBSD.ORG, current@FreeBSD.ORG
Subject:   Re: People having problems with X windows?
Message-ID:  <199805152342.QAA29972@usr02.primenet.com>
In-Reply-To: <19980516092352.17035@rf900.physics.usyd.edu.au> from "David Dawes" at May 16, 98 09:23:52 am

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[ ... lots of chip quirks ... ]

> Mach64 cards have a single window too, with the framebuffer located at
> the start and the registers at the top of the 16MB window.  I'm not sure
> if the newer ones offer an alternative to that or not, but the XFree86
> Mach64 server uses that approach.  Older versions mapped a single 16MB
> chunk, but current versions map it in two pieces.
> 
> I'm sure that there are other quirky approaches taken with other video
> chips too.

I take it back.  Make it an madvise() argument, and let the people who
know the video hardware keep the rogues list accurate.  This is too
much information available to video programmers but not to kernel
rogues list programmers.  8-(.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.

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