# vainfo --display drm --device /dev/dri/renderD128 libva info: VA-API version 1.22.0 libva info: Trying to open /usr/lib64/dri/radeonsi_drv_video.so libva info: Found init function __vaDriverInit_1_22 libva info: va_openDriver() returns 0 Trying display: drm vainfo: VA-API version: 1.22 (libva 2.22.0) vainfo: Driver version: Mesa Gallium driver 25.0.7 for AMD Radeon 660M (radeonsi, rembrandt, LLVM 19.1.7, DRM 3.61, 6.14.2-desktop-3omv2590) vainfo: Supported profile and entrypoints 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 VAProfileAV1Profile0 : VAEntrypointVLD VAProfileNone : VAEntrypointVideoProc # vainfo --display drm --device /dev/dri/renderD129 libva info: VA-API version 1.22.0 libva info: Trying to open /usr/lib64/dri/nouveau_drv_video.so libva info: Found init function __vaDriverInit_1_22 libva info: va_openDriver() returns 0 Trying display: drm vainfo: VA-API version: 1.22 (libva 2.22.0) vainfo: Driver version: Mesa Gallium driver 25.0.7 for NV177 vainfo: Supported profile and entrypoints VAProfileNone : VAEntrypointVideoProc