Re: [PATCH] hw/display/virtio-gpu: set share_handle for udmabuf blob resources

["Daniel P. Berrangé" <berrange@redhat.com>]

On Thu, Aug 27, 2026 at 11:10:13AM +0400, marcandre.lureau@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
> 
> When a blob resource is backed by udmabuf, the dmabuf fd was never
> propagated to res->share_handle. This meant the D-Bus display
> listener could not share the buffer mapping with remote clients,
> falling back to copying pixel data instead.
> 
> Set share_handle to the dmabuf fd after successful udmabuf creation,
> and reset it to SHAREABLE_NONE on teardown.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
>  hw/display/virtio-gpu-udmabuf.c | 3 +++
>  1 file changed, 3 insertions(+)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


With regards,
Daniel
-- 
|: https://berrange.com       ~~        https://hachyderm.io/@berrange :|
|: https://libvirt.org          ~~          https://entangle-photo.org :|
|: https://pixelfed.art/berrange   ~~    https://fstop138.berrange.com :|