default or selected kernelversion does not have config value CONFIG_DRM_OMAP_ENCODER_OPA362.
Result is shown for kernelversion 6.9.9

OPA362 external analog amplifier

modulename: encoder-opa362.ko

configname: CONFIG_DRM_OMAP_ENCODER_OPA362

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>OMAPDRM External Display Device Drivers
└─>OPA362 external analog amplifier
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Driver for OPA362 external analog TV amplifier controlled
through a GPIO.

source code: