default or selected kernelversion does not have config value CONFIG_DRM_OMAP_ENCODER_TFP410.
Result is shown for kernelversion 6.9.9

TFP410 DPI to DVI Encoder

modulename: encoder-tfp410.ko

configname: CONFIG_DRM_OMAP_ENCODER_TFP410

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>OMAPDRM External Display Device Drivers
└─>TFP410 DPI to DVI Encoder
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Driver for TFP410 DPI to DVI encoder.

source code: