Running 5.1.2 on Ryzen 3800x and 5700xt connected via display port. Updated to latest Mesa drivers and Vulkan. Screen does not shutoff or go to sleep, it just locks and makes the background bright white (which is even worse). I've looked everywhere and am at a complete loss. I can't figure out if this is waiting for additional driver updates, or if there's something I can do to fix it.