HDMI support for OMAP4

configname: CONFIG_FB_OMAP4_DSS_HDMI

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Frame buffer Devices
└─>Device Tree and Open Firmware support
└─>OMAP2+ frame buffer support
└─>HDMI support for OMAP4
In linux kernel since version 4.1 (release Date: 2015-06-21)  
HDMI support for OMAP4 based SoCs.