Re: accelerated ATI Rage Mobility SOLVED
On Wed, Feb 23, 2005 at 09:38:40PM +0100, Mauro Darida wrote:
> I confronted mine with yours and noticed two differences:
> 1. DefaultDepth 16 (mine is 24)
> 2. Section "Device"
> you don't have Option "UseFBDev" "true"
hmm.. It shold be better with "true" - i'll test it.
> After changing defaultdepth to 16 I got some differences with glxgears:
> 1504 frames in 5.0 seconds = 300.800 FPS in a window
1445 frames in 5.0 seconds = 289.000 FPS
> 284 frames in 5.0 seconds = 56.800 FPS in full screeen 1024x768
224 frames in 5.0 seconds = 44.800 FPS
>
> Is it worthwile to stay down to 16 dpp ??
I don't see any difference in quality 16 vs. 24.
24bps is slower, uses more memory, so I'm using 16bps.
> I have also noticed in /var/log the following error:
> (WW)ATI(0):Failed to set up write-combining range
> Do you have the same error?
Yes, the same, but this is only a warning, drvier is quite stable: my
current uptime is 31 days (not continous, sometimes I use APM suspend to
disk :-) and Xserver is running all the time.
--
Marcin Bis
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