default or selected kernelversion does not have config value CONFIG_DRM_OMAP_PANEL_DPI.
Result is shown for kernelversion 6.7-rc3

Generic DPI panel

modulename: panel-dpi.ko

configname: CONFIG_DRM_OMAP_PANEL_DPI

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>OMAPDRM External Display Device Drivers
└─>Generic DPI panel
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Driver for generic DPI panels.

source code: