[Savage40] New Savage DRM preview

[Alex Deucher]

--- Philippe Villeneuve <philippeqc at gmail.com> wrote:

> Hi,
> 
> With the latest instructions I'm finally able to get the DRI running.
> But I've noticed one difference between some info given back.
> 
> bash-2.05b$ dmesg|grep drm
> [drm] Initialized drm 1.0.0 20040925
> [drm] Initialized savage 2.1.0 20050106 on minor 0: S3 Inc. VT8636A
> [ProSavage KN133] AGP4X VGA Controller (TwisterK)
> [drm] Used old pci detect: framebuffer loaded
> 
> and 
> bash-2.05b$ lspci|grep AGP
> 0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365
> [KT133/KM133 AGP]
> 0000:01:00.0 VGA compatible controller: S3 Inc. VT8636A [ProSavage
> KN133] AGP4X VGA Controller (TwisterK) (rev 01)
> 
> both specify that my twisterK is on a 4x AGP. But 
> 
> bash-2.05b$ glxinfo|grep OpenGL
> OpenGL vendor string: S3 Graphics Inc.
> OpenGL renderer string: Mesa DRI Twister 20050101 AGP 1x
> x86/MMX+/3DNow!+/SSE
> OpenGL version string: 1.2 Mesa 6.3
> OpenGL extensions:
> 
> mentions a 1x AGP. Should I get any hope that there could be a
> performance gain waiting to be turned on, or is it more of a printf
> problem ;) ?

You need to set the agpmode in the device section of your xorg.conf:
Option "AGPMode" "4"
It defaults to 1x.

Alex




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