[prev in list] [next in list] [prev in thread] [next in thread] 

List:       freebsd-questions
Subject:    Re: X11 - radeon or radeonhd? (ATI Radeon HD 2400 XT)
From:       Adam K Kirchhoff <adamk () voicenet ! com>
Date:       2009-01-02 20:33:43
Message-ID: 20090102153343.50ee2a68.adamk () voicenet ! com
[Download RAW message or body]

On Fri, 2 Jan 2009 21:23:50 +0100
Roland Smith <rsmith@xs4all.nl> wrote:

> On Fri, Jan 02, 2009 at 01:42:38PM -0500, Adam K Kirchhoff wrote:
> > On Friday 02 January 2009 13:32:57 Ewald Jenisch wrote:
> > > Hi,
> > >
> > > I've got a PC (Dell) that came with a Radeon HD 2400 XT (RV610
> > > chipset).
> > >
> > > Afaik there isn't 3D support yet with this card, so my primary
> > > goal is to get it working as far as 2D and speed is concerned (I
> > > don't want to go for "vesa" if at all possible)
> > >
> > >
> > > Which driver should I use for this card - radeon or radeonhd?
> > >
> > > Anything to consider besides having either "Driver radeon" or
> > > "Driver radeonhd" in the xorg.conf in order to get going?
> > >
> > > Thanks much in advance for any clue,
> > > -ewald
> > 
> > Either radeon or radeonhd should be fine.  Feature-wise, they are
> > at the same level.  No other changes are required.
> > 
> > Very recently DRM support was added for those cards, giving them
> > much faster 2D acceleration via EXA (without DRM support, only XAA
> > is supported) 
> 
> I've tried a HD3450 (RV620 chip) and a X1650Pro (RV535 chip) with both
> ati and radeonhd drivers.
> 
> As of radeonhd 1.2.4 the X1650Pro works fine with XAA, to which it
> defaults. EXA wasn't very fast:
> 
> (--) Chipset RV535 found
> (**) RADEONHD(0): Selected XAA 2D acceleration.
> (**) RADEONHD(0): Option "XaaNoOffscreenPixmaps" "true"
> (II) RADEONHD(0): Using XFree86 Acceleration Architecture (XAA)
>         Screen to screen bit blits
>         Solid filled rectangles
>         8x8 mono pattern filled rectangles
>         Indirect CPU to Screen color expansion
>         Solid Lines
>         Scanline Image Writes
>         Setting up tile and stipple cache:
>                 32 128x128 slots
>                 28 256x256 slots
>                 16 512x512 slots

EXA isn't fast (at least on Radeons) without DRM support.  This is not
available in the FreeBSD source tree, but is available (for FreeBSD) via
freedesktop git (for that particular GPU).  

Adam

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.

_______________________________________________
freebsd-questions@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-questions
To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
[prev in list] [next in list] [prev in thread] [next in thread]