Hi, for information, DRI can work on iBook G4. I don't really know how it worked, but it did using gentoo's "emerge xfree-drm". To be precise, i have
agpgart in the kernel compiled latest xfree DRI CVS emerged xfree-drm (which applied a few patches, i suspect drm-ioremap to be the needed one). UseFBDev and ChipID 0x514d in XF86Config-4. I now have 1600 fps in glxgears :) -- Colin