Yesterday Valve gave me a copy of DOOM for Christmas (not really for Christmas), and I got the wine bits in place from Fedora, then I spent today trying to get DOOM to render on radv.
Thanks to ParkerR on #radeon for taking the picture from his machine, I'm too lazy.
So it runs kinda, it hangs the GPU a fair bit, it misrenders some colors in some scenes, but you can see most of it. I'm not sure if I'll get back to this before next year (I'll try), but I'm pretty happy to have gotten it this far in a day, though I'm sure the next few things will me much more difficult to debug.
The branch is here: