[PATCH] drm/virtio: add definition for venus capset

[Huang Rui]

This definition is used fro qemu, and qemu imports this marco in the
headers to enable venus for virtio gpu. So it should add it even kernel
doesn't use this.

Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
---

Hi all,

We would like to add a new definition for venus capset, it will be used for
qemu. Please see details on below discussion:

https://lore.kernel.org/qemu-devel/b82982aa-5b9e-481e-9491-b9313877bcaa@xxxxxxxxxx/

Thanks,
Ray

 include/uapi/linux/virtio_gpu.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h
index f556fde07b76..0e21f3998108 100644
--- a/include/uapi/linux/virtio_gpu.h
+++ b/include/uapi/linux/virtio_gpu.h
@@ -309,6 +309,8 @@ struct virtio_gpu_cmd_submit {
 
 #define VIRTIO_GPU_CAPSET_VIRGL 1
 #define VIRTIO_GPU_CAPSET_VIRGL2 2
+/* 3 is reserved for gfxstream */
+#define VIRTIO_GPU_CAPSET_VENUS 4
 
 /* VIRTIO_GPU_CMD_GET_CAPSET_INFO */
 struct virtio_gpu_get_capset_info {
-- 
2.25.1