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+
+[RFC] dma buf: support sprite plane
+
+QEMU does not support sprite/overlay in DMA-buf mode for Intel gvt vGPUs. Some use cases relies on sprite plane support, e.g. hw accelerated video playback in Windows 10 guest.
+
+To support this feature, functions in both kernel and QEMU should be implemented:
+
+- query support for plane info in kernel: 
+  in vgpu_get_plane_info() of drm/i915/gvt/dmabuf.c, calls to intel_vgpu_decode_sprite_plane() shall be made;
+
+- struct to hold VFIODMABuf object in QEMU:
+  in struct VFIODisplay of include/hw/vfio/vfio-common.h;
+- copying of data in QEMU:
+  in vfio_display_get_dmabuf() of hw/vfio/display.c;
+- drawing of sprite plane in QEMU:
+  in vfio_display_dmabuf_update() of hw/vfio/display.c;
+
+
+This is an automated cleanup. This bug report has been moved to QEMU's
+new bug tracker on gitlab.com and thus gets marked as 'expired' now.
+Please continue with the discussion here:
+
+ https://gitlab.com/qemu-project/qemu/-/issues/169
+
+