linux-kernel - Re: [PATCH] media: staging/imx: fill vb2_v4l2

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Message-ID: <d3601b40-d80a-b3c1-cdf0-82128d52b398@gmail.com>
Date:   Tue, 13 Mar 2018 15:03:07 -0700
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     Peter Seiderer <ps.report@....net>, linux-media@...r.kernel.org
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: staging/imx: fill vb2_v4l2_buffer sequence entry

Hi Peter,

Thanks for the patch.

This needs to be done in imx-ic-prpencvf.c as well, see
prp_vb2_buf_done().

Steve


On 03/13/2018 01:00 PM, Peter Seiderer wrote:
> Signed-off-by: Peter Seiderer <ps.report@....net>
> ---
>   drivers/staging/media/imx/imx-media-csi.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
> index 5a195f80a24d..3a6a645b9dce 100644
> --- a/drivers/staging/media/imx/imx-media-csi.c
> +++ b/drivers/staging/media/imx/imx-media-csi.c
> @@ -111,6 +111,7 @@ struct csi_priv {
>   	struct v4l2_ctrl_handler ctrl_hdlr;
>   
>   	int stream_count; /* streaming counter */
> +	__u32 frame_sequence; /* frame sequence counter */
>   	bool last_eof;   /* waiting for last EOF at stream off */
>   	bool nfb4eof;    /* NFB4EOF encountered during streaming */
>   	struct completion last_eof_comp;
> @@ -234,8 +235,11 @@ static void csi_vb2_buf_done(struct csi_priv *priv)
>   	struct vb2_buffer *vb;
>   	dma_addr_t phys;
>   
> +	priv->frame_sequence++;
> +
>   	done = priv->active_vb2_buf[priv->ipu_buf_num];
>   	if (done) {
> +		done->vbuf.sequence = priv->frame_sequence;
>   		vb = &done->vbuf.vb2_buf;
>   		vb->timestamp = ktime_get_ns();
>   		vb2_buffer_done(vb, priv->nfb4eof ?
> @@ -543,6 +547,7 @@ static int csi_idmac_start(struct csi_priv *priv)
>   
>   	/* init EOF completion waitq */
>   	init_completion(&priv->last_eof_comp);
> +	priv->frame_sequence = 0;
>   	priv->last_eof = false;
>   	priv->nfb4eof = false;
>