SiS, DRI and DRM

[Ian Romanick]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Vicente Helano wrote:
> Hi All,
>  I am having problems with a sis300 agp graphics card.
>  I compiled kernel 2.6.17 with Direct Rendering Manager (DRM) support
> for sis300/305 graphics cards. When the X server (X11R6.8.2) is started
> the DRI and DRM modules are correctly loaded. However, my OpenGL
> applications get wrong rendering (object surfaces seem to have wrong
> normals).
>  If the kernel is compiled without DRM support, everything seems ok. But
> now, looking at Xorg.0.log I found an error message telling that DRM
> module was not found.
> What is going wrong?

When there is no DRM support, 3D falls back to using the software patch.
 I'm sure you also notice in that case that it's *much* slower.

As for problems with the SiS driver, I don't think it has gotten any
support in a long time.  Do you see errors in all applications (e.g.,
glxgears), or just some?  Could you post a link to a screen shot?  Could
you also post the output of glxinfo?

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2.2 (GNU/Linux)

iD8DBQFE90drX1gOwKyEAw8RAu9eAJ4lU/4wTVqI333TKLepANXD8niwAACeLQhO
ekT3dzam5YtIk8G6XgoIdFo=
=s61R
-----END PGP SIGNATURE-----