Broadcom VC4 HDMI CEC Support

configname: CONFIG_DRM_VC4_HDMI_CEC

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Broadcom VC4 HDMI CEC Support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Choose this option if you have a Broadcom VC4 GPU
and want to use CEC.