Hi Gerd,
>
> > -if (!cmd->finished) {
> > +if (!cmd->finished && !(cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE)) {
> > virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error :
> > VIRTIO_GPU_RESP_OK_NODATA);
> > }
>
> My idea
Hi,
> -if (!cmd->finished) {
> +if (!cmd->finished && !(cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE)) {
> virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error :
> VIRTIO_GPU_RESP_OK_NODATA);
> }
My idea would be more along
Adding this callback provides a way to determine when the UI
has submitted the buffer to the Host windowing system. Making
the guest wait for this event will ensure that the dmabuf/buffer
updates are synchronized.
Cc: Gerd Hoffmann
Signed-off-by: Vivek Kasireddy
---
hw/display/virtio-gpu.c | 44
