Support (accelerated) for the Lynx, LynxE, Lynx3D, LynxEM, LynxEM+ and Lynx3DM chips is provided by the XF86_SVGA server with the smi driver.
No native support for these chipsets, because the driver has not been ported.
No SMI chips are supported in 4.0.1, but the fbdev driver is reported to work on Linux.