drm/virtio: track created object state
Track whenever the virtio_gpu_object is already created (i.e. host knows about it) in a new variable. Add checks to virtio_gpu_object_attach() to do nothing on objects not created yet. Make virtio_gpu_ttm_bo_destroy() use the new variable too, instead of expecting hw_res_handle indicating the object state. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-2-kraxel@redhat.com
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