Performance issues with Radeon 9000

[Tony]

On Wed, 2005-10-05 at 22:58 -0400, Alex Deucher wrote:
> On 10/5/05, Tony <hoover at sal.ksu.edu> wrote:
> >  On Tue, 2005-10-04 at 18:26 -0400, Jay Estabrook wrote:
> >  On Mon, Oct 03, 2005 at 11:44:42AM -0500, Hoover, Tony wrote:
> > >
> > > I just got my SX running AC1.0 with a Radeon 9000 PCI late last week, and
> > > have been a bit disappointed in the GL performance. I'm getting less than
> > 5
> > > Frames per Second on most of the 3D screen savers.
> >
> > Remind me: the 9000 has what chipset?
> >
> >  (--) PCI:*(0:6:0) ATI Technologies Inc Radeon RV250 If [Radeon 9000] rev 1
> >
> > > I assume that the 3D rendering is being done in software, instead of the
> > 3D
> > > engine in the Radeon. How can I enable it to use the 3D acceleration of
> > the
> > > graphics card?
> >
> > Is it possible that there's no
> >
> >  Load "dri"
> >
> > int the config file?
> >
> >
> >  Section "Module"
> >          Load  "dbe"
> >          Load  "extmod"
> >          Load  "fbdevhw"
> >          Load  "glx"
> >          Load  "record"
> >          Load  "freetype"
> >          Load  "type1"
> >          Load  "dri"
> >  EndSection
> >
> >  Nope, it's there.
> >
> > Also, it may be that 6.7 didn't support the 9000 chipset; you could try
> > the 6.8.2 version from the "development" tree if you're brave... ;-}
> >
> >
> >  This is 6.8.1, according to the log file
> >
> >  does this snippet from my log mean anything?:
> >
> >  (II) RADEON(0): Dynamic Clock Scaling Disabled
> >  drmOpenDevice: node name is /dev/dri/card0
> >  drmOpenDevice: open result is -1, (No such device)
> >  drmOpenDevice: open result is -1, (No such device)
> >  drmOpenDevice: Open failed
> >  drmOpenDevice: node name is /dev/dri/card0
> >  drmOpenDevice: open result is -1, (No such device)
> >  drmOpenDevice: open result is -1, (No such device)
> >  drmOpenDevice: Open failed
> >  drmOpenByBusid: Searching for BusID pci:0000:00:06.0
> >  drmOpenDevice: node name is /dev/dri/card0
> >  drmOpenDevice: open result is 4, (OK)
> >  drmOpenByBusid: drmOpenMinor returns 4
> >  drmOpenByBusid: drmGetBusid reports pci:0000:00:06.0
> >  (II) RADEON(0): [drm] loaded kernel module for "radeon" driver
> >  (II) RADEON(0): [drm] DRM interface version 1.2
> >  (II) RADEON(0): [drm] created "radeon" driver at busid "pci:0000:00:06.0"
> >  (II) RADEON(0): [drm] added 8192 byte SAREA at 0xfffffffc00446000
> >  (II) RADEON(0): [drm] mapped SAREA 0xfffffffc00446000 to 0x2000001c000
> >  (II) RADEON(0): [drm] framebuffer handle = 0x10000000
> >  (II) RADEON(0): [drm] added 1 reserved context for kernel
> >  (WW) RADEON(0): [agp] AGP not available
> >  (EE) RADEON(0): [agp] AGP failed to initialize. Disabling the DRI.
> 
> there's the problem.  no agp support.  I think 6.7 was too old to
> support PCI radeons by default.  You may need to upgrade to 6.8.x.  I
> think there was an option to force PCI-GART, but I can't remember off
> hand.
> you might try:
> 	Option     "ForcePCIMode"    "true"
> or:
> 	Option     "BusType"      "PCI"

I added both these to the "Device" section of my xorg.conf.  I got a
message that 'Option "ForcePCIMode" is not used', but my 3D rendering is
working.  Therefor, I'm guessing that the "BusType" option is what was
needed.

Thanks Alex and Jay

Tony