Hi

On Thu, Dec 14, 2023 at 8:26 AM Dongwon Kim <dongwon....@intel.com> wrote:
>
> It is needed to unblock the pipeline only if there is an active dmabuf
> to be rendered and the fence for it is not yet signaled.
>
> Cc: Marc-André Lureau <marcandre.lur...@redhat.com>
> Cc: Vivek Kasireddy <vivek.kasire...@intel.com>
> Signed-off-by: Dongwon Kim <dongwon....@intel.com>
> ---
>  ui/gtk.c | 14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/ui/gtk.c b/ui/gtk.c
> index ea8d07833e..073c9eadb8 100644
> --- a/ui/gtk.c
> +++ b/ui/gtk.c
> @@ -597,10 +597,16 @@ void gd_hw_gl_flushed(void *vcon)
>      VirtualConsole *vc = vcon;
>      QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
>
> -    qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
> -    close(dmabuf->fence_fd);
> -    dmabuf->fence_fd = -1;
> -    graphic_hw_gl_block(vc->gfx.dcl.con, false);
> +    if (!dmabuf) {
> +        return;
> +    }

When is this function called with dmabuf == NULL or fence_fd < 0?

> +
> +    if (dmabuf->fence_fd > 0) {

this should be >= 0

> +        qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
> +        close(dmabuf->fence_fd);
> +        dmabuf->fence_fd = -1;
> +        graphic_hw_gl_block(vc->gfx.dcl.con, false);
> +    }
>  }
>
>  /** DisplayState Callbacks (opengl version) **/
> --
> 2.34.1
>
>


-- 
Marc-André Lureau

Reply via email to