linux-kernel - Re: [PATCH 10/13] media: qcom: camss: Add sm8550 compatible

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Message-ID: <74a07065-f10b-42a9-b142-b561de25a082@linaro.org>
Date: Tue, 13 Aug 2024 13:57:19 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Depeng Shao <quic_depengs@...cinc.com>, rfoss@...nel.org,
 todor.too@...il.com, mchehab@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, kernel@...cinc.com
Subject: Re: [PATCH 10/13] media: qcom: camss: Add sm8550 compatible

On 12/08/2024 15:41, Depeng Shao wrote:
> Add CAMSS_8550 enum, sm8550 compatible and sm8550 camss drvier private
> data, the private data just include some basic information now, later
> changes will enumerate with csiphy, csid and vfe resources.
> 
> Also add a default case in vfe_src_pad_code to get rid of a compile
> warning since a new hw enum is added.
> 
>    drivers/media/platform/qcom/camss/camss-vfe.c:291:10: warning:
>    enumeration value 'CAMSS_8550' not handled in switch [-Wswitch]
>      291 |         switch (vfe->camss->res->version) {
>          |                 ^~~~~~~~~~~~~~~~~~~~~~~~
> 
> Signed-off-by: Depeng Shao <quic_depengs@...cinc.com>
> ---
>   drivers/media/platform/qcom/camss/camss-vfe.c |  4 +++
>   drivers/media/platform/qcom/camss/camss.c     | 32 +++++++++++++++++++
>   drivers/media/platform/qcom/camss/camss.h     |  1 +
>   3 files changed, 37 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
> index f6650694f47e..71bd55e854bb 100644
> --- a/drivers/media/platform/qcom/camss/camss-vfe.c
> +++ b/drivers/media/platform/qcom/camss/camss-vfe.c
> @@ -403,6 +403,10 @@ static u32 vfe_src_pad_code(struct vfe_line *line, u32 sink_code,
>   			return sink_code;
>   		}
>   		break;
> +	default:
> +		WARN(1, "Unsupported HW version: %x\n",
> +		     vfe->camss->res->version);
> +		break;
>   	}
>   	return 0;
>   }

Please make the addition of the standalone case a standalone patch ;)

Then add.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>

To this patch.

> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 51b1d3550421..519b37794745 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -1480,6 +1480,29 @@ static const struct resources_icc icc_res_sc8280xp[] = {
>   	},
>   };
>   
> +static const struct resources_icc icc_res_sm8550[] = {
> +	{
> +		.name = "ahb",
> +		.icc_bw_tbl.avg = 2097152,
> +		.icc_bw_tbl.peak = 2097152,
> +	},
> +	{
> +		.name = "hf_0_mnoc",
> +		.icc_bw_tbl.avg = 2097152,
> +		.icc_bw_tbl.peak = 2097152,
> +	},
> +	{
> +		.name = "icp_mnoc",
> +		.icc_bw_tbl.avg = 2097152,
> +		.icc_bw_tbl.peak = 2097152,
> +	},
> +	{
> +		.name = "sf_0_mnoc",
> +		.icc_bw_tbl.avg = 2097152,
> +		.icc_bw_tbl.peak = 2097152,
> +	},
> +};
> +
>   /*
>    * camss_add_clock_margin - Add margin to clock frequency rate
>    * @rate: Clock frequency rate
> @@ -2443,6 +2466,14 @@ static const struct camss_resources sc8280xp_resources = {
>   	.link_entities = camss_link_entities
>   };
>   
> +static const struct camss_resources sm8550_resources = {
> +	.version = CAMSS_8550,
> +	.pd_name = "top",
> +	.icc_res = icc_res_sm8550,
> +	.icc_path_num = ARRAY_SIZE(icc_res_sm8550),
> +	.link_entities = camss_link_entities
> +};
> +
>   static const struct of_device_id camss_dt_match[] = {
>   	{ .compatible = "qcom,msm8916-camss", .data = &msm8916_resources },
>   	{ .compatible = "qcom,msm8996-camss", .data = &msm8996_resources },
> @@ -2450,6 +2481,7 @@ static const struct of_device_id camss_dt_match[] = {
>   	{ .compatible = "qcom,sdm845-camss", .data = &sdm845_resources },
>   	{ .compatible = "qcom,sm8250-camss", .data = &sm8250_resources },
>   	{ .compatible = "qcom,sc8280xp-camss", .data = &sc8280xp_resources },
> +	{ .compatible = "qcom,sm8550-camss", .data = &sm8550_resources },
>   	{ }
>   };
>   
> diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
> index 73c47c07fc30..5568ab32d5d7 100644
> --- a/drivers/media/platform/qcom/camss/camss.h
> +++ b/drivers/media/platform/qcom/camss/camss.h
> @@ -79,6 +79,7 @@ enum camss_version {
>   	CAMSS_845,
>   	CAMSS_8250,
>   	CAMSS_8280XP,
> +	CAMSS_8550,
>   };
>   
>   enum icc_count {