Bellow is the information on how to get the Linux 2D drivers:
   
"RS300 is supported since XFree86 4.3.99.8 and up. 
To update drivers for RS300 support, please follow these steps:
1. Install Linux with XFree86 4.3.xx support (Redhat 9 and SuSE 8.2 will be okay).
2. Download three components (XFree86, ati_drv.o and radeon_drv.o
3. Replace these three files on the system with the downloaded files.
   3.1. ati_drv.o and radeon_drv.o are usually located in /usr/X11R6/lib/modules/drivers directory. 
   3.2. XFree86 is usually in /usr/X11R6/bin.
4. Modify the X configuration file to use ati or radeon driver instead of vesa driver. 
   The configuration file is usually in /etc/X11/ and named XF86Config or XF86Config-4.