Re: [PATCH 4/5] media: mtk-vcodec: Add two error cases upon vpu irq handling

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On Wed, 2021-08-04 at 16:27 +0200, Dafna Hirschfeld wrote:
> 1. Fail if the function mtk_vcodec_fw_map_dm_addr
> returns ERR pointer.
> 2. Fail if the state from the vpu msg is either
> VEN_IPI_MSG_ENC_STATE_ERROR or VEN_IPI_MSG_ENC_STATE_PART
> 
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
> ---
>  drivers/media/platform/mtk-vcodec/venc_vpu_if.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
> b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
> index 32dc844d16f9..234705ba7cd6 100644
> --- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
> +++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
> @@ -17,6 +17,8 @@ static int handle_enc_init_msg(struct venc_vpu_inst
> *vpu, const void *data)
>  	vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
>  					     msg->vpu_inst_addr);
>  
> +	if (IS_ERR(vpu->vsi))
> +		return PTR_ERR(vpu->vsi);
>  	/* Firmware version field value is unspecified on MT8173. */
>  	if (vpu->ctx->dev->venc_pdata->chip == MTK_MT8173)
>  		return 0;
> @@ -42,6 +44,12 @@ static int handle_enc_encode_msg(struct
> venc_vpu_inst *vpu, const void *data)
>  	vpu->state = msg->state;
>  	vpu->bs_size = msg->bs_size;
>  	vpu->is_key_frm = msg->is_key_frm;
> +	if (vpu->state == VEN_IPI_MSG_ENC_STATE_ERROR ||
> +	    vpu->state == VEN_IPI_MSG_ENC_STATE_PART) {
> +		mtk_vcodec_err(vpu, "bad ipi-enc-state: %s",
> +			       vpu->state ==
> VEN_IPI_MSG_ENC_STATE_ERROR ? "ERR" : "PART");
> +		return -EINVAL;
> +	}

Hi Dafna,

This state check is useless, the enc result will check in
"vpu_enc_ipi_handler".

Thanks

>  	return 0;
>  }
>  




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