linux-kernel - Re: [PATCH v3 18/19] media: venus: pm_helpers: Commonize venc

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Message-ID: <968ccf76-6477-3532-a43c-98ca413d0325@quicinc.com>
Date: Thu, 25 Apr 2024 18:17:42 +0530
From: Dikshita Agarwal <quic_dikshita@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
        Stanimir Varbanov
	<stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Andy Gross
	<agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Mauro Carvalho
 Chehab" <mchehab@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
CC: Marijn Suijten <marijn.suijten@...ainline.org>,
        Stanimir Varbanov
	<stanimir.varbanov@...aro.org>,
        Mauro Carvalho Chehab
	<mchehab+huawei@...nel.org>,
        <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 18/19] media: venus: pm_helpers: Commonize venc_get()



On 3/27/2024 11:38 PM, Konrad Dybcio wrote:
> This function can be very easily commonized between the supported gens.
> Do so!
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  drivers/media/platform/qcom/venus/pm_helpers.c | 19 -------------------
>  drivers/media/platform/qcom/venus/pm_helpers.h |  1 -
>  drivers/media/platform/qcom/venus/venc.c       |  9 +++++++--
>  3 files changed, 7 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index 3818384bae10..5d174b83926b 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -363,13 +363,6 @@ static int vdec_power_v3(struct device *dev, int on)
>  	return ret;
>  }
>  
> -static int venc_get_v3(struct device *dev)
> -{
> -	struct venus_core *core = dev_get_drvdata(dev);
> -
> -	return vcodec_clks_get(core, dev, 1);
> -}
> -
>  static int venc_power_v3(struct device *dev, int on)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> @@ -389,7 +382,6 @@ static int venc_power_v3(struct device *dev, int on)
>  
>  static const struct venus_pm_ops pm_ops_v3 = {
>  	.vdec_power = vdec_power_v3,
> -	.venc_get = venc_get_v3,
>  	.venc_power = venc_power_v3,
>  	.load_scale = load_scale_v1,
>  };
> @@ -785,16 +777,6 @@ static int vdec_power_v4(struct device *dev, int on)
>  	return ret;
>  }
>  
> -static int venc_get_v4(struct device *dev)
> -{
> -	struct venus_core *core = dev_get_drvdata(dev);
> -
> -	if (!legacy_binding)
> -		return 0;
> -
> -	return vcodec_clks_get(core, dev, 1);
> -}
> -
>  static void venc_put_v4(struct device *dev)
>  {
>  	struct venus_core *core = dev_get_drvdata(dev);
> @@ -1092,7 +1074,6 @@ static int load_scale_v4(struct venus_inst *inst)
>  static const struct venus_pm_ops pm_ops_v4 = {
>  	.vdec_put = vdec_put_v4,
>  	.vdec_power = vdec_power_v4,
> -	.venc_get = venc_get_v4,
>  	.venc_put = venc_put_v4,
>  	.venc_power = venc_power_v4,
>  	.coreid_power = coreid_power_v4,
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
> index 4afc57dac865..cbf54e6c6eab 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.h
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.h
> @@ -13,7 +13,6 @@ struct venus_pm_ops {
>  	void (*vdec_put)(struct device *dev);
>  	int (*vdec_power)(struct device *dev, int on);
>  
> -	int (*venc_get)(struct device *dev);
>  	void (*venc_put)(struct device *dev);
>  	int (*venc_power)(struct device *dev, int on);
>  
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index 3ec2fb8d9fab..d17aeba74b49 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -1557,8 +1557,13 @@ static int venc_probe(struct platform_device *pdev)
>  
>  	platform_set_drvdata(pdev, core);
>  
> -	if (core->pm_ops->venc_get) {
> -		ret = core->pm_ops->venc_get(dev);
> +	/*
> +	 * If the vcodec core clock is missing by now, it either doesn't exist
> +	 * (8916) or deprecated bindings with pre-assigned core functions and
> +	 * resources under the decoder node are in use.
> +	 */
> +	if (!core->vcodec_core_clks[1]) {
> +		ret = vcodec_clks_get(core, dev, 1);
>  		if (ret)
>  			return ret;
>  	}
> 
same comment as previous patch.

Thanks,
Dikshita