CONFIG_DRM_DISPLAY_DP_HELPER (not configurable)

configname: CONFIG_DRM_DISPLAY_DP_HELPER

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>DRM_DISPLAY_DP_HELPER
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
DRM display helpers for DisplayPort.