[ltp] ATI driver

[Alex Deucher]

On Wed, 13 Oct 2004 05:28:51 -0500, Jeffrey L. Taylor
<jeff.taylor@ieee.org> wrote:
> Quoting IEEE alias <jeff.taylor@ieee.org>:
> > Quoting Alex Deucher <alexdeucher@gmail.com>:
> > > On Tue, 12 Oct 2004 14:45:43 +0100, Nick Bower <nick@nickbower.com> wrote:
> > > > Could you clarify how you managed this Robert?  I have a new T42 w/7500
> > > > and have DRI enabled, AGPMode=4, etc etc and only get the following with
> > > > xfree86 4.3 and radeon driver (mandrake 10):
> > > >
> > > > 3523 frames in 5.0 seconds = 704.600 FPS
> > > > 3577 frames in 5.0 seconds = 715.400 FPS
> > > > 3570 frames in 5.0 seconds = 714.000 FPS
> > > > 3578 frames in 5.0 seconds = 715.600 FPS
> > >
> > > that seems reasonable for a 7500.  it's r100 based after all.  things to note:
> > > - some laptops use slower ram or a 32 bit wide memory bus
> > > - xfree86 4.3 is old.  a newer xorg may yield moderate speed improvements
> > > - enabling page flipping can help performance
> > >
> >
> > T41 w/ 7500 card, SuSE 9.2beta3 w/ X.org 6.8.1, radeon driver, default
> > AGPMode (i.e., not specified).  I get just under 1200fps w/ 3D
> > acceleration enabled.  Around 250-300fps without 3D accel.
> >
> 
> However, the display is corrupt after a suspend to swap/resume cycle.
> *Sigh*  Back to no 3D accel.  I'd rather have the fast power up/down
> times.
> 

if you are using acpi, you'll need to change VT's before suspending. 
Also there was a bug in the driver that didn't set the FB location
properly on resume.  that has been fixed in xorg cvs.

Alex

> 
> 
> Jeffrey
>