default or selected kernelversion does not have config value CONFIG_DRM_GEM_CMA_HELPER.
Result is shown for kernelversion 6.8.7
CONFIG_DRM_GEM_CMA_HELPER (not configurable)
configname: CONFIG_DRM_GEM_CMA_HELPER
Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>DRM_GEM_CMA_HELPER
In linux kernel since version 3.1 (release Date: 2011-10-24)
Choose this if you need the GEM CMA helper functions