VA-API supported profiles and VDPAU on Wayland with AMD Radeon RX6900XT

[banjo]

@Shizzle

Do you know why the mesa-nonfree is needed? Is that a matter of licenses and software patents?

explained in post 1

@Shizzle

Regarding vdpau

…should also work

• Hardware video acceleration - ArchWiki

Hint:
Wayland can cause problems, try with Xorg.