linux-kernel - Re: [PATCH v9 09/15] vb2: mark codec drivers as unordered

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Date:   Mon, 7 May 2018 13:02:52 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Ezequiel Garcia <ezequiel@...labora.com>,
        linux-media@...r.kernel.org
Cc:     kernel@...labora.com,
        Mauro Carvalho Chehab <mchehab@....samsung.com>,
        Shuah Khan <shuahkh@....samsung.com>,
        Pawel Osciak <pawel@...iak.com>,
        Alexandre Courbot <acourbot@...omium.org>,
        Sakari Ailus <sakari.ailus@....fi>,
        Brian Starkey <brian.starkey@....com>,
        linux-kernel@...r.kernel.org,
        Gustavo Padovan <gustavo.padovan@...labora.com>
Subject: Re: [PATCH v9 09/15] vb2: mark codec drivers as unordered

On 04/05/18 22:06, Ezequiel Garcia wrote:
> From: Gustavo Padovan <gustavo.padovan@...labora.com>
> 
> In preparation to have full support to explicit fence we are
> marking codec as non-ordered preventively. It is easier and safer from an
> uAPI point of view to move from unordered to ordered than the opposite.
> 
> v3: set property instead of callback
> v2: mark only codec drivers as unordered (Nicolas and Hans)
> 
> Signed-off-by: Gustavo Padovan <gustavo.padovan@...labora.com>
> Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
> ---
>  drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c | 2 ++
>  drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 1 +
>  drivers/media/platform/qcom/venus/venc.c           | 2 ++
>  drivers/media/platform/s5p-mfc/s5p_mfc.c           | 2 ++

Why were coda, exynos-gsc, exynos4-is and venus/vdec.c removed?
Those were patched in v8.

Regards,

	Hans

>  4 files changed, 7 insertions(+)
> 
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
> index 86f0a7134365..c03cefde0c28 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
> @@ -1498,6 +1498,7 @@ int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
>  	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
>  	src_vq->lock		= &ctx->dev->dev_mutex;
>  	src_vq->dev             = &ctx->dev->plat_dev->dev;
> +	src_vq->unordered       = 1;
>  
>  	ret = vb2_queue_init(src_vq);
>  	if (ret) {
> @@ -1513,6 +1514,7 @@ int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
>  	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
>  	dst_vq->lock		= &ctx->dev->dev_mutex;
>  	dst_vq->dev             = &ctx->dev->plat_dev->dev;
> +	src_vq->unordered       = 1;
>  
>  	ret = vb2_queue_init(dst_vq);
>  	if (ret) {
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> index 1b1a28abbf1f..81751c9aa19d 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> @@ -1340,6 +1340,7 @@ int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
>  	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
>  	dst_vq->lock		= &ctx->dev->dev_mutex;
>  	dst_vq->dev		= &ctx->dev->plat_dev->dev;
> +	dst_vq->unordered	= 1;
>  
>  	return vb2_queue_init(dst_vq);
>  }
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index 6b2ce479584e..17ec2d218aa5 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -1053,6 +1053,7 @@ static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
>  	src_vq->buf_struct_size = sizeof(struct venus_buffer);
>  	src_vq->allow_zero_bytesused = 1;
>  	src_vq->min_buffers_needed = 1;
> +	src_vq->unordered = 1;
>  	src_vq->dev = inst->core->dev;
>  	if (inst->core->res->hfi_version == HFI_VERSION_1XX)
>  		src_vq->bidirectional = 1;
> @@ -1069,6 +1070,7 @@ static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
>  	dst_vq->buf_struct_size = sizeof(struct venus_buffer);
>  	dst_vq->allow_zero_bytesused = 1;
>  	dst_vq->min_buffers_needed = 1;
> +	src_vq->unordered = 1;
>  	dst_vq->dev = inst->core->dev;
>  	ret = vb2_queue_init(dst_vq);
>  	if (ret) {
> diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> index a80251ed3143..6a4251f988ab 100644
> --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
> +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> @@ -863,6 +863,7 @@ static int s5p_mfc_open(struct file *file)
>  	q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
>  	q->mem_ops = &vb2_dma_contig_memops;
>  	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
> +	q->unordered = 1;
>  	ret = vb2_queue_init(q);
>  	if (ret) {
>  		mfc_err("Failed to initialize videobuf2 queue(capture)\n");
> @@ -898,6 +899,7 @@ static int s5p_mfc_open(struct file *file)
>  	q->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
>  	q->mem_ops = &vb2_dma_contig_memops;
>  	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
> +	q->unordered = 1;
>  	ret = vb2_queue_init(q);
>  	if (ret) {
>  		mfc_err("Failed to initialize videobuf2 queue(output)\n");
>