NXP Semiconductors TDA998X HDMI encoder

modulename: tda998x.ko

configname: CONFIG_DRM_I2C_NXP_TDA998X

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>I2C support
└─>I2C encoder or helper chips
└─>NXP Semiconductors TDA998X HDMI encoder
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support for NXP Semiconductors TDA998X HDMI encoders.

source code:
drivers/gpu/drm//i2c/