# vainfo --display drm --device /dev/dri/renderD128 libva info: VA-API version 1.14.0 libva info: Trying to open /usr/lib64/dri/r600_drv_video.so libva info: Found init function __vaDriverInit_1_8 libva info: va_openDriver() returns 0 vainfo: VA-API version: 1.14 (libva 2.8.0.pre0) vainfo: Driver version: Mesa Gallium driver 21.2.4 for AMD KAVERI (DRM 2.50.0, 5.10.118-generic-2rosa2021.1-x86_64, LLVM 12.0.1) 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 VAProfileNone : VAEntrypointVideoProc # vainfo --display drm --device /dev/dri/renderD129 Failed to open the given device!