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

CONFIG_OMAP_DSS_BASE (not configurable)

modulename: omapdss-base.ko

configname: CONFIG_OMAP_DSS_BASE

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>OMAP_DSS_BASE
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
drivers/gpu/drm//omapdrm/dss/

is depended by
CONFIG_OMAP2_DSS