default or selected kernelversion does not have config value CONFIG_DISPLAY_ENCODER_OPA362.
Result is shown for kernelversion 5.4.33

OPA362 external analog amplifier

modulename: encoder-opa362.ko

configname: CONFIG_DISPLAY_ENCODER_OPA362

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>OMAPDRM External Display Device Drivers
└─>OPA362 external analog amplifier
In linux kernel since version 4 (release Date: 2015-04-12)  
Driver for OPA362 external analog TV amplifier controlled
through a GPIO.

source code:
drivers/gpu/drm//omapdrm/displays/encoder-opa362.c