Intel GMA500 KMS Framebuffer

modulename: psb_gfx.ko

configname: CONFIG_DRM_PSB

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Intel GMA500 KMS Framebuffer
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
Say yes for an experimental KMS framebuffer driver for the
Intel GMA500 ('Poulsbo') graphics support.

source code: