Dumb VGA DAC Bridge support

modulename: dumb-vga-dac.ko

configname: CONFIG_DRM_DUMB_VGA_DAC

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Display Interface Bridges
└─>Device Tree and Open Firmware support
└─>Dumb VGA DAC Bridge support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for RGB to VGA DAC based bridges

source code: