linux-kernel - Re: [PATCH 2/5] media: venus: Initialize codec data

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Date:   Mon, 17 Jun 2019 11:37:22 +0300
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     Aniket Masule <amasule@...eaurora.org>,
        linux-media@...r.kernel.org, stanimir.varbanov@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        vgarodia@...eaurora.org
Subject: Re: [PATCH 2/5] media: venus: Initialize codec data

Hi Aniket,

On 6/11/19 9:05 AM, Aniket Masule wrote:
> Initialize the codec data with core resources.

Please squash this patch in 1/5 patch.

> 
> Signed-off-by: Aniket Masule <amasule@...eaurora.org>
> ---
>  drivers/media/platform/qcom/venus/helpers.c | 30 +++++++++++++++++++++++++++++
>  drivers/media/platform/qcom/venus/helpers.h |  1 +
>  drivers/media/platform/qcom/venus/vdec.c    |  4 ++++
>  drivers/media/platform/qcom/venus/venc.c    |  4 ++++
>  4 files changed, 39 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index 5cad601..f7f724b 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -715,6 +715,36 @@ int venus_helper_set_core_usage(struct venus_inst *inst, u32 usage)
>  }
>  EXPORT_SYMBOL_GPL(venus_helper_set_core_usage);
>  
> +int venus_helper_init_codec_data(struct venus_inst *inst)
> +{
> +	const struct codec_data *codec_data;
> +	unsigned int i, codec_data_size;
> +	u32 pixfmt;
> +	int ret = 0;
> +
> +	if (!IS_V4(inst->core))
> +		return 0;
> +
> +	codec_data = inst->core->res->codec_data;
> +	codec_data_size = inst->core->res->codec_data_size;
> +	pixfmt = inst->session_type == VIDC_SESSION_TYPE_DEC ?
> +			inst->fmt_out->pixfmt : inst->fmt_cap->pixfmt;
> +
> +	for (i = 0; i < codec_data_size; i++) {
> +		if (codec_data[i].pixfmt == pixfmt &&
> +		    codec_data[i].session_type == inst->session_type) {
> +			inst->clk_data.codec_data = &codec_data[i];
> +			break;
> +		}
> +	}
> +
> +	if (!inst->clk_data.codec_data)
> +		ret = -EINVAL;

just return -EINVAL

> +
> +	return ret;

return 0 is enough, and that will avoid ret variable.

> +}
> +EXPORT_SYMBOL_GPL(venus_helper_init_codec_data);
> +
>  int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs,
>  			      unsigned int output_bufs,
>  			      unsigned int output2_bufs)
> diff --git a/drivers/media/platform/qcom/venus/helpers.h b/drivers/media/platform/qcom/venus/helpers.h
> index 2475f284..f9360a8 100644
> --- a/drivers/media/platform/qcom/venus/helpers.h
> +++ b/drivers/media/platform/qcom/venus/helpers.h
> @@ -41,6 +41,7 @@ int venus_helper_set_output_resolution(struct venus_inst *inst,
>  				       unsigned int width, unsigned int height,
>  				       u32 buftype);
>  int venus_helper_set_work_mode(struct venus_inst *inst, u32 mode);
> +int venus_helper_init_codec_data(struct venus_inst *inst);
>  int venus_helper_set_core_usage(struct venus_inst *inst, u32 usage);
>  int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs,
>  			      unsigned int output_bufs,
> diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
> index 282de21..51795fd 100644
> --- a/drivers/media/platform/qcom/venus/vdec.c
> +++ b/drivers/media/platform/qcom/venus/vdec.c
> @@ -660,6 +660,10 @@ static int vdec_init_session(struct venus_inst *inst)
>  	if (ret)
>  		goto deinit;
>  
> +	ret = venus_helper_init_codec_data(inst);
> +	if (ret)
> +		goto deinit;
> +
>  	return 0;
>  deinit:
>  	hfi_session_deinit(inst);
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index 32cff29..792cdce 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -847,6 +847,10 @@ static int venc_init_session(struct venus_inst *inst)
>  	if (ret)
>  		goto deinit;
>  
> +	ret = venus_helper_init_codec_data(inst);
> +	if (ret)
> +		goto deinit;
> +
>  	ret = venc_set_properties(inst);
>  	if (ret)
>  		goto deinit;
> 

-- 
regards,
Stan