DRM Support for Rockchip

modulename: rockchipdrm.ko

configname: CONFIG_DRM_ROCKCHIP

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>DRM Support for Rockchip
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Choose this option if you have a Rockchip soc chipset.
This driver provides kernel mode setting and buffer
management to userspace. This driver does not provide
2D or 3D acceleration; acceleration is performed by other
IP found on the SoC.

source code:
drivers/gpu/drm//rockchip/