Support (accelerated) for the P9000 is provided by the XF86_P9000 server and accelerated support for the P9100 is provided by the XF86_SVGA server with the p9x00 driver.
No native support for these chipsets, because the old drivers have not been ported. NEED TO CHECK IF THESE CARDS WILL WORK WITH fbdev.
No Weitek chips are supported in 3.9.18.