DisplayLink

modulename: udl.ko

configname: CONFIG_DRM_UDL

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>DisplayLink
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This is a KMS driver for the USB displaylink video adapters.
Say M/Y to add support for these devices via drm/kms interfaces.

source code:
drivers/gpu/drm//udl/