radeonsi: No explicit DRM format modifier support for polaris12
When trying to use VA via GStreamer's VA decoder support, no dmabufs can currently be exported because for polaris12 there seems to be no explicit modifier support yet. More specifically, vaExportSurfaceHandle()
returns DRM_FORMAT_MOD_INVALID
in VADRMPRIMESurfaceDescriptor
.
With the same versions of everything, raphael_mendocino reports valid modifiers.
Driver details / versions: Mesa Gallium driver 24.0.5 for AMD Radeon RX 550 / 550 Series (radeonsi, polaris12, LLVM 18.1.1, DRM 3.57, 6.8.7-300.fc40.x86_64)