linux-kernel - Re: [PATCH v2 2/5] media: qcom: camss: Add SM8750 compatible camss driver

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Message-ID: <61801034-225f-429c-9f34-f80044506bf3@oss.qualcomm.com>
Date: Tue, 13 Jan 2026 12:53:43 -0800
From: Vijay Kumar Tumati <vijay.tumati@....qualcomm.com>
To: Hangxiang Ma <hangxiang.ma@....qualcomm.com>,
        Robert Foss <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        jeyaprakash.soundrapandian@....qualcomm.com
Subject: Re: [PATCH v2 2/5] media: qcom: camss: Add SM8750 compatible camss
 driver


On 1/13/2026 2:28 AM, Hangxiang Ma wrote:
> Add support for SM8750 in the camss driver. Add high level resource
> information along with the bus bandwidth votes. Module level detailed
> resource information will be enumerated in the following patches of the
> series.
>
> Signed-off-by: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
Hi Hangxiang, I believe some reviewed-by tags are missing for these 
patches. Can you please double check?
> ---
>   drivers/media/platform/qcom/camss/camss.c | 22 ++++++++++++++++++++++
>   drivers/media/platform/qcom/camss/camss.h |  1 +
>   2 files changed, 23 insertions(+)
>
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 36ff645d9c1e..56f20daeca3e 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -4066,6 +4066,20 @@ static const struct resources_icc icc_res_sa8775p[] = {
>   	},
>   };
>   
> +static const struct resources_icc icc_res_sm8750[] = {
> +	{
> +		.name = "cam_ahb",
> +		.icc_bw_tbl.avg = 150000,
> +		.icc_bw_tbl.peak = 300000,
> +	},
> +	/* Based on 4096 x 3072 30 FPS 2496 Mbps mode */
> +	{
> +		.name = "cam_hf_mnoc",
> +		.icc_bw_tbl.avg = 471860,
> +		.icc_bw_tbl.peak = 925857,
> +	},
> +};
> +
>   static const struct camss_subdev_resources csiphy_res_x1e80100[] = {
>   	/* CSIPHY0 */
>   	{
> @@ -5487,6 +5501,13 @@ static const struct camss_resources sm8650_resources = {
>   	.vfe_num = ARRAY_SIZE(vfe_res_sm8650),
>   };
>   
> +static const struct camss_resources sm8750_resources = {
> +	.version = CAMSS_8750,
> +	.pd_name = "top",
> +	.icc_res = icc_res_sm8750,
> +	.icc_path_num = ARRAY_SIZE(icc_res_sm8750),
> +};
> +
>   static const struct camss_resources x1e80100_resources = {
>   	.version = CAMSS_X1E80100,
>   	.pd_name = "top",
> @@ -5518,6 +5539,7 @@ static const struct of_device_id camss_dt_match[] = {
>   	{ .compatible = "qcom,sm8250-camss", .data = &sm8250_resources },
>   	{ .compatible = "qcom,sm8550-camss", .data = &sm8550_resources },
>   	{ .compatible = "qcom,sm8650-camss", .data = &sm8650_resources },
> +	{ .compatible = "qcom,sm8750-camss", .data = &sm8750_resources },
>   	{ .compatible = "qcom,x1e80100-camss", .data = &x1e80100_resources },
>   	{ }
>   };
> diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
> index 616ed7bbb732..2a53524dec93 100644
> --- a/drivers/media/platform/qcom/camss/camss.h
> +++ b/drivers/media/platform/qcom/camss/camss.h
> @@ -91,6 +91,7 @@ enum camss_version {
>   	CAMSS_845,
>   	CAMSS_8550,
>   	CAMSS_8650,
> +	CAMSS_8750,
>   	CAMSS_8775P,
>   	CAMSS_KAANAPALI,
>   	CAMSS_X1E80100,

Thanks,

Vijay.