Matrox g200/g400

modulename: mga.ko

configname: CONFIG_DRM_MGA

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Enable legacy drivers (DANGEROUS)
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>PCI support
└─>Matrox g200/g400
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Choose this option if you have a Matrox G200, G400 or G450 graphics
card. If M is selected, the module will be called mga. AGP
support is required for this driver to work.

source code: