I think things are still progressing. In fact, it looks like they just recently hired someone to work on the Linux display stack: https://www.phoronix.com/sca

I think things are still progressing. In fact, it looks like they just recently hired someone to work on the Linux display stack: https://www.phoronix.com/scan.php?page=news_item&px=Valve-Hires-Keith-Packard https://www.phoronix.com/scan.php?page=news_item&px=Valve-Hi... I believe they also hired someone to work explicitly on the AMD drivers as well, but I could be wrong.