Re: [PATCH v12 35/56] media: cedrus: Stop direct calls to queue num_buffers field

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On 17/10/2023 16:47, Benjamin Gaignard wrote:
> Use vb2_get_num_buffers() and queue max_num_buffers field

Reference to max_num_buffers which doesn't exist yet.

> to avoid using queue num_buffer field directly.

num_buffer -> num_buffers

> This allows us to change how the number of buffers is computed in the
> futur.

futur -> future

Regards,

	Hans

> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
> Acked-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>
> CC: Maxime Ripard <mripard@xxxxxxxxxx>
> ---
>  drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 9 +++++++--
>  drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 9 +++++++--
>  2 files changed, 14 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
> index dfb401df138a..3e2843ef6cce 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
> @@ -653,8 +653,13 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx)
>  
>  	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
>  
> -	for (i = 0; i < vq->num_buffers; i++) {
> -		buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i));
> +	for (i = 0; i < vb2_get_num_buffers(vq); i++) {
> +		struct vb2_buffer *vb = vb2_get_buffer(vq, i);
> +
> +		if (!vb)
> +			continue;
> +
> +		buf = vb2_to_cedrus_buffer(vb);
>  
>  		if (buf->codec.h264.mv_col_buf_size > 0) {
>  			dma_free_attrs(dev->dev,
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
> index fc9297232456..52e94c8f2f01 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
> @@ -869,8 +869,13 @@ static void cedrus_h265_stop(struct cedrus_ctx *ctx)
>  
>  	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
>  
> -	for (i = 0; i < vq->num_buffers; i++) {
> -		buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i));
> +	for (i = 0; i < vb2_get_num_buffers(vq); i++) {
> +		struct vb2_buffer *vb = vb2_get_buffer(vq, i);
> +
> +		if (!vb)
> +			continue;
> +
> +		buf = vb2_to_cedrus_buffer(vb);
>  
>  		if (buf->codec.h265.mv_col_buf_size > 0) {
>  			dma_free_attrs(dev->dev,




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