default or selected kernelversion does not have config value CONFIG_DRM_AMD_DC_DSC_SUPPORT.
Result is shown for kernelversion 6.9.8
DSC support
configname: CONFIG_DRM_AMD_DC_DSC_SUPPORT
Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Display Engine Configuration
└─>DSC support
In linux kernel since version 5.3 (release Date: 2019-09-15)
Choose this option if you want to have
Dynamic Stream Compression support
Dynamic Stream Compression support