Re: [PATCH 6/9] media: rcar_drif.c: set lock before calling vb2_queue_init()

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Hi Hans,

Thank you for the patch.

On Mon, Sep 02, 2024 at 04:04:52PM +0200, Hans Verkuil wrote:
> The vb2_queue_init() will expect the vb2_queue lock pointer to be set in
> the future. So for those drivers that set the lock later, move it up to
> before the vb2_queue_init() call.

The commit message doesn't match the change below, you're moving the
lock down, not up.

> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> Cc: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@xxxxxxxxxxxxxx>
> Cc: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/renesas/rcar_drif.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/renesas/rcar_drif.c b/drivers/media/platform/renesas/rcar_drif.c
> index f21d05054341..5d3109940ded 100644
> --- a/drivers/media/platform/renesas/rcar_drif.c
> +++ b/drivers/media/platform/renesas/rcar_drif.c
> @@ -1071,7 +1071,6 @@ static int rcar_drif_sdr_register(struct rcar_drif_sdr *sdr)
>  	sdr->vdev->release = video_device_release;
>  	sdr->vdev->lock = &sdr->v4l2_mutex;
>  	sdr->vdev->queue = &sdr->vb_queue;
> -	sdr->vdev->queue->lock = &sdr->vb_queue_mutex;
>  	sdr->vdev->ctrl_handler = &sdr->ctrl_hdl;
>  	sdr->vdev->v4l2_dev = &sdr->v4l2_dev;
>  	sdr->vdev->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER |
> @@ -1316,6 +1315,7 @@ static int rcar_drif_sdr_probe(struct rcar_drif_sdr *sdr)
>  	sdr->vb_queue.ops = &rcar_drif_vb2_ops;
>  	sdr->vb_queue.mem_ops = &vb2_vmalloc_memops;
>  	sdr->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
> +	sdr->vb_queue.lock = &sdr->vb_queue_mutex;
>  
>  	/* Init videobuf2 queue */
>  	ret = vb2_queue_init(&sdr->vb_queue);

-- 
Regards,

Laurent Pinchart




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