linux-kernel - Re: [PATCH 1/2] media: iris: Initialize HFI ops after firmware load in core init

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Message-ID: <2511ec4d-7c77-450c-ad1e-ef7dbd6ef02c@linaro.org>
Date: Mon, 9 Feb 2026 11:34:53 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
 Vikash Garodia <vikash.garodia@....qualcomm.com>,
 Abhinav Kumar <abhinav.kumar@...ux.dev>,
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] media: iris: Initialize HFI ops after firmware load
 in core init

On 09/02/2026 09:45, Dikshita Agarwal wrote:
> The HFI command/response ops were previously initialized in probe(), but
> we don't have firmware loaded at probe time. Since HFI is tightly
> coupled to firmware, initialize the HFI ops after firmware has been
> successfully loaded and booted.

"but," not ", but"

I'll fix that for you on application.

> 
> Signed-off-by: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>
> ---
>   drivers/media/platform/qcom/iris/iris_core.c       | 2 ++
>   drivers/media/platform/qcom/iris/iris_hfi_common.c | 6 ++++++
>   drivers/media/platform/qcom/iris/iris_hfi_common.h | 1 +
>   drivers/media/platform/qcom/iris/iris_probe.c      | 2 --
>   4 files changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/iris/iris_core.c b/drivers/media/platform/qcom/iris/iris_core.c
> index 8406c48d635b6eba0879396ce9f9ae2292743f09..8e4cc6d6123069dea860062f0172f1e4b90cfc13 100644
> --- a/drivers/media/platform/qcom/iris/iris_core.c
> +++ b/drivers/media/platform/qcom/iris/iris_core.c
> @@ -75,6 +75,8 @@ int iris_core_init(struct iris_core *core)
>   	if (ret)
>   		goto error_unload_fw;
> 
> +	iris_init_hfi_ops(core);
> +
>   	ret = iris_hfi_core_init(core);
>   	if (ret)
>   		goto error_unload_fw;
> diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.c b/drivers/media/platform/qcom/iris/iris_hfi_common.c
> index 92112eb16c11048e28230a2926dfb46e3163aada..bbca17edf281a11142d7582178cd7562be053b45 100644
> --- a/drivers/media/platform/qcom/iris/iris_hfi_common.c
> +++ b/drivers/media/platform/qcom/iris/iris_hfi_common.c
> @@ -74,6 +74,12 @@ u32 iris_hfi_get_v4l2_matrix_coefficients(u32 hfi_coefficients)
>   	}
>   }
> 
> +void iris_init_hfi_ops(struct iris_core *core)
> +{
> +	core->iris_platform_data->init_hfi_command_ops(core);
> +	core->iris_platform_data->init_hfi_response_ops(core);
> +}
> +
>   int iris_hfi_core_init(struct iris_core *core)
>   {
>   	const struct iris_hfi_command_ops *hfi_ops = core->hfi_ops;
> diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.h b/drivers/media/platform/qcom/iris/iris_hfi_common.h
> index 3edb5ae582b49bea2e2408c4a5cfc0a742adc05f..498a08314cdeb65b4b621e2200aae8685f4a025b 100644
> --- a/drivers/media/platform/qcom/iris/iris_hfi_common.h
> +++ b/drivers/media/platform/qcom/iris/iris_hfi_common.h
> @@ -149,6 +149,7 @@ struct hfi_subscription_params {
>   u32 iris_hfi_get_v4l2_color_primaries(u32 hfi_primaries);
>   u32 iris_hfi_get_v4l2_transfer_char(u32 hfi_characterstics);
>   u32 iris_hfi_get_v4l2_matrix_coefficients(u32 hfi_coefficients);
> +void iris_init_hfi_ops(struct iris_core *core);
>   int iris_hfi_core_init(struct iris_core *core);
>   int iris_hfi_pm_suspend(struct iris_core *core);
>   int iris_hfi_pm_resume(struct iris_core *core);
> diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c
> index ddaacda523ecb9990af0dd0640196223fbcc2cab..22c7b3410710328b900fc49459cd399aa0e89b02 100644
> --- a/drivers/media/platform/qcom/iris/iris_probe.c
> +++ b/drivers/media/platform/qcom/iris/iris_probe.c
> @@ -252,8 +252,6 @@ static int iris_probe(struct platform_device *pdev)
>   	disable_irq_nosync(core->irq);
> 
>   	iris_init_ops(core);
> -	core->iris_platform_data->init_hfi_command_ops(core);
> -	core->iris_platform_data->init_hfi_response_ops(core);
> 
>   	ret = iris_init_resources(core);
>   	if (ret)
> 
> --
> 2.34.1
> 
> 
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>