Intel GMA5/600 KMS Framebuffer

modulename: gma500_gfx.ko

configname: CONFIG_DRM_GMA500

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Intel GMA5/600 KMS Framebuffer
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say yes for an experimental 2D KMS framebuffer driver for the
Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
devices.

source code:
drivers/gpu/drm//gma500/