Acked-by: Pawel Osciak <pawel@xxxxxxxxxx>
Thanks Michael!
Pawel
On Tue, Jul 12, 2011 at 06:46, Michael Olbrich <m.olbrich@xxxxxxxxxxxxxx> wrote:
> These are necessary to prevent dead-locks e.g. if one thread waits
> in dqbuf at one end and another tries to queue a buffer at the
> other end.
>
> Signed-off-by: Michael Olbrich <m.olbrich@xxxxxxxxxxxxxx>
> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
> Cc: Pawel Osciak <pawel@xxxxxxxxxx>
> ---
> drivers/media/video/mem2mem_testdev.c | 14 ++++++++++++++
> 1 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
> index b03d74e..effefa0 100644
> --- a/drivers/media/video/mem2mem_testdev.c
> +++ b/drivers/media/video/mem2mem_testdev.c
> @@ -795,10 +795,24 @@ static void m2mtest_buf_queue(struct vb2_buffer *vb)
> v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
> }
>
> +static void m2mtest_wait_prepare(struct vb2_queue *q)
> +{
> + struct m2mtest_ctx *ctx = vb2_get_drv_priv(q);
> + m2mtest_unlock(ctx);
> +}
> +
> +static void m2mtest_wait_finish(struct vb2_queue *q)
> +{
> + struct m2mtest_ctx *ctx = vb2_get_drv_priv(q);
> + m2mtest_lock(ctx);
> +}
> +
> static struct vb2_ops m2mtest_qops = {
> .queue_setup = m2mtest_queue_setup,
> .buf_prepare = m2mtest_buf_prepare,
> .buf_queue = m2mtest_buf_queue,
> + .wait_prepare = m2mtest_wait_prepare,
> + .wait_finish = m2mtest_wait_finish,
> };
>
> static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
> --
> 1.7.5.4
>
>
--
Best regards,
Pawel Osciak
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