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Subject: Re: [PATCH 3/4] s5p-mfc: Use display delay and display enable std
 controls
To:     Stanimir Varbanov <stanimir.varbanov@linaro.org>,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc:     Kyungmin Park <kyungmin.park@samsung.com>,
        Kamil Debski <kamil@wypas.org>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Ezequiel Garcia <ezequiel@collabora.com>,
        Nicolas Dufresne <nicolas.dufresne@collabora.com>
From:   Marek Szyprowski <m.szyprowski@samsung.com>
Message-ID: <5d3f86a5-7fc5-bbcb-bb26-560abd364ad8@samsung.com>
Date:   Tue, 17 Nov 2020 23:04:55 +0100
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References: <20201109173541.10016-1-stanimir.varbanov@linaro.org>
        <CGME20201109173610eucas1p224a00875f3768b16661171ee1c2c27dd@eucas1p2.samsung.com>
        <20201109173541.10016-4-stanimir.varbanov@linaro.org>
Precedence: bulk

On 09.11.2020 18:35, Stanimir Varbanov wrote:
> Use the standard display_delay and display_delay_enable controls,
> the legacy private MFC controls are kept for backward compatibility.
>
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
>   drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 16 ++++++++++++++++
>   1 file changed, 16 insertions(+)
>
> diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> index 61e144a35201..4a3e8e9bbff2 100644
> --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
> @@ -167,6 +167,13 @@ static struct mfc_control controls[] = {
>   		.step = 1,
>   		.default_value = 0,
>   	},
> +	{
> +		.id = V4L2_CID_MPEG_VIDEO_DECODER_DISPLAY_DELAY,
> +		.type = V4L2_CTRL_TYPE_INTEGER,
> +		.minimum = 0,
> +		.maximum = 16383,
> +		.default_value = 0,
> +	},
>   	{
>   		.id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
>   		.type = V4L2_CTRL_TYPE_BOOLEAN,
> @@ -176,6 +183,13 @@ static struct mfc_control controls[] = {
>   		.step = 1,
>   		.default_value = 0,
>   	},
> +	{
> +		.id = V4L2_CID_MPEG_VIDEO_DECODER_DISPLAY_DELAY_ENABLE,
> +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> +		.minimum = 0,
> +		.maximum = 1,
> +		.default_value = 0,
> +	},
>   	{
>   		.id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
>   		.type = V4L2_CTRL_TYPE_BOOLEAN,
> @@ -690,9 +704,11 @@ static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
>   
>   	switch (ctrl->id) {
>   	case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
> +	case V4L2_CID_MPEG_VIDEO_DECODER_DISPLAY_DELAY:
>   		ctx->display_delay = ctrl->val;
>   		break;
>   	case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
> +	case V4L2_CID_MPEG_VIDEO_DECODER_DISPLAY_DELAY_ENABLE:
>   		ctx->display_delay_enable = ctrl->val;
>   		break;
>   	case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland