Support for Allwinner version of DesignWare HDMI

modulename: sun8i-drm-hdmi.ko

configname: CONFIG_DRM_SUN8I_DW_HDMI

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Support for Allwinner version of DesignWare HDMI
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Choose this option if you have an Allwinner SoC with the
DesignWare HDMI controller with custom HDMI PHY. If M is
selected the module will be called sun8i_dw_hdmi.

source code:
drivers/gpu/drm//sun4i/