Rockchip cdn DP

configname: CONFIG_ROCKCHIP_CDN_DP

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Rockchip cdn DP
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This selects support for Rockchip SoC specific extensions
for the cdn DP driver. If you want to enable Dp on
RK3399 based SoC, you should select this
option.