CONFIG_DRM_BRIDGE (not configurable)

configname: CONFIG_DRM_BRIDGE

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>DRM_BRIDGE
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Bridge registration and lookup framework.