# vainfo --display drm --device /dev/dri/renderD128 libva info: VA-API version 1.19.0 libva info: Trying to open /usr/lib64/dri/nouveau_drv_video.so libva info: Found init function __vaDriverInit_1_19 libva info: va_openDriver() returns 0 Trying display: drm vainfo: VA-API version: 1.19 (libva 2.19.0) vainfo: Driver version: Mesa Gallium driver 23.2.0 for NV4C vainfo: Supported profile and entrypoints VAProfileMPEG2Simple : VAEntrypointEncSlice VAProfileMPEG2Main : VAEntrypointEncSlice VAProfileNone : VAEntrypointVideoProc # vainfo --display drm --device /dev/dri/renderD129 libva info: VA-API version 1.19.0 libva info: Trying to open /usr/lib64/dri/nouveau_drv_video.so libva info: Found init function __vaDriverInit_1_19 libva info: va_openDriver() returns 0 Trying display: drm vainfo: VA-API version: 1.19 (libva 2.19.0) vainfo: Driver version: Mesa Gallium driver 23.2.0 for NVC3 vainfo: Supported profile and entrypoints VAProfileNone : VAEntrypointVideoProc