kern/60474: Temporary fix for DRM support for Radeon 9200

[Eric Anholt]

The following reply was made to PR kern/60474; it has been noted by GNATS.

From: Eric Anholt <eta at lclark.edu>
To: Mikhail Teterin <mi+mxmoz at aldan.algebra.com>
Cc: gnats <freebsd-gnats-submit at FreeBSD.ORG>, dotz at irc.pl,
	DRI <dri-devel at lists.sourceforge.net>
Subject: Re: kern/60474: Temporary fix for DRM support for Radeon 9200
Date: Fri, 08 Oct 2004 15:52:03 -0700

 On Fri, 2004-10-08 at 15:14, Mikhail Teterin wrote:
 > Eric Anholt wrote:
 > 
 > >On Fri, 2004-10-08 at 11:17, Mikhail Teterin wrote:
 > >  
 > >
 > >>Hi, Eric!
 > >>
 > >>Can this be assigned back to you? I have another pair of PCI IDs,
 > >>BTW, and I am sure, there are people with shiny new Radeon-9800 out
 > >>there too... Yours,
 > >>    
 > >>
 > >
 > >This is not a bug.  The DRM does not support r300-series hardware. 
 > >Among other things, trying to initialize it with r100 or r200 microcode
 > >will probably make it explode in your face.  Now, if this was part of an
 > >attempt at getting http://r300.sf.net/ stuff working on FreeBSD, that'd
 > >be another thing :)
 > >
 > No, nothing exploded, but the Xorg server insists on NOT using direct 
 > rendering on Radeon-9500/9700 cards.
 > Which is me :-( The card works fine and I got it to work in dual-head 
 > mode, but OpenGL performance remains miserable.
 > 
 > Not sure, if upgrading to Xorg-7.8.1 would help me, but eager to try. 
 > Would you have diffs for the ports? Thanks!
 
 There is no open-source DRI driver for the r300 (9500+) series cards,
 which is why the X Server doesn't try to enable DRI.  r300.sf.net is a
 project to work on that, but they aren't to the point of accelerating
 anything yet afaik -- just REing.
 
 (also, 6.8.1 is the latest X.Org release)
 
 -- 
 Eric Anholt                                eta at lclark.edu          
 http://people.freebsd.org/~anholt/         anholt at FreeBSD.org