With DOOM: The Dark Ages about to release for everyone on May 15th, and with Advanced Access available, it seems it needs some workarounds to run on Linux with AMD GPUs. This is likely what Valve already solved in SteamOS for Steam Deck.
Read the full article here: https://www.gamingonlinux.com/2025/05/doom-the-dark-ages-needs-workarounds-on-linux-with-amd-gpus-a-fix-has-been-merged-into-mesa/