> But AMD GPUs still only do h.264 Ryzen 4750U on a T14 reporting in: vainfo: VA...

> But AMD GPUs still only do h.264

Ryzen 4750U on a T14 reporting in:

    vainfo: VA-API version: 1.10 (libva 2.10.0)
    vainfo: Driver version: Mesa Gallium driver 20.3.4 for AMD RENOIR (DRM 3.40.0, 5.11.4-arch1-1, LLVM 11.1.0)
    vainfo: Supported profile and entrypoints
          VAProfileMPEG2Simple            : VAEntrypointVLD
          VAProfileMPEG2Main              : VAEntrypointVLD
          VAProfileVC1Simple              : VAEntrypointVLD
          VAProfileVC1Main                : VAEntrypointVLD
          VAProfileVC1Advanced            : VAEntrypointVLD
          VAProfileH264ConstrainedBaseline: VAEntrypointVLD
          VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
          VAProfileH264Main               : VAEntrypointVLD
          VAProfileH264Main               : VAEntrypointEncSlice
          VAProfileH264High               : VAEntrypointVLD
          VAProfileH264High               : VAEntrypointEncSlice
          VAProfileHEVCMain               : VAEntrypointVLD
          VAProfileHEVCMain               : VAEntrypointEncSlice
          VAProfileHEVCMain10             : VAEntrypointVLD
          VAProfileHEVCMain10             : VAEntrypointEncSlice
          VAProfileJPEGBaseline           : VAEntrypointVLD
          VAProfileVP9Profile0            : VAEntrypointVLD
          VAProfileVP9Profile2            : VAEntrypointVLD
          VAProfileNone                   : VAEntrypointVideoProc

mpv also reports "Using hardware decoding (vaapi)." when I try to play an HEVC file.