have you tried running xorgconfig? as far as I see, the i810 drivers are in the distribution:
Code:
root@portalab:/home/randomsel/.kde/share/apps/ktorrent# slocate i810
/lib/modules/2.6.21.5/kernel/drivers/char/drm/i810.ko
/lib/modules/2.6.21.5/kernel/drivers/video/i810
/lib/modules/2.6.21.5/kernel/drivers/video/i810/i810fb.ko
/lib/modules/2.6.21.5/kernel/drivers/i2c/busses/i2c-i810.ko
/lib/modules/2.6.21.5-smp/kernel/drivers/char/drm/i810.ko
/lib/modules/2.6.21.5-smp/kernel/drivers/video/i810
/lib/modules/2.6.21.5-smp/kernel/drivers/video/i810/i810fb.ko
/lib/modules/2.6.21.5-smp/kernel/drivers/i2c/busses/i2c-i810.ko
/var/log/packages/xf86-video-i810-1.7.4-i486-1
/var/log/scripts/xf86-video-i810-1.7.4-i486-1
/usr/lib/xorg/modules/dri/i810_dri.so
/usr/lib/xorg/modules/drivers/i810_drv.so
/usr/lib/xorg/modules/drivers/i810_drv.la