default or selected kernelversion does not have config value CONFIG_DRM_ARM.
Result is shown for kernelversion 6.9.9
CONFIG_DRM_ARM (not configurable)
configname: CONFIG_DRM_ARM
Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>DRM_ARM
In linux kernel since version 4.1 (release Date: 2015-06-21)
Choose this option to select drivers for ARM's devices