Displaylink USB Framebuffer support

modulename: udlfb.ko

configname: CONFIG_FB_UDL

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Support for frame buffer devices
└─>Displaylink USB Framebuffer support
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
This is a kernel framebuffer driver for DisplayLink USB devices.
Supports fbdev clients like xf86-video-fbdev, kdrive, fbi, and
mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices.
To compile as a module, choose M here: the module name is udlfb.

source code: