linux-kernel - Re: [PATCH v1 7/7] drm/mediatek: Introduce HDMI/DDC v2 for MT8195/MT8188

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Message-ID: <278d55ed1b6d6f8240e8df98e915bc3ad329c2ec.camel@mediatek.com>
Date: Wed, 4 Dec 2024 09:46:44 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
CC: "linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"tzimmermann@...e.de" <tzimmermann@...e.de>, "simona@...ll.ch"
	<simona@...ll.ch>, "mripard@...nel.org" <mripard@...nel.org>,
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	<conor+dt@...nel.org>, "robh@...nel.org" <robh@...nel.org>,
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	<matthias.bgg@...il.com>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>
Subject: Re: [PATCH v1 7/7] drm/mediatek: Introduce HDMI/DDC v2 for
 MT8195/MT8188

Hi, Angelo:

On Wed, 2024-11-20 at 13:45 +0100, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until you have verified the sender or the content.
> 
> 
> Add support for the newer HDMI-TX (Encoder) v2 and DDC v2 IPs
> found in MediaTek's MT8195, MT8188 SoC and their variants, and
> including support for display modes up to 4k60 and for HDMI
> Audio, as per the HDMI 2.0 spec.
> 
> HDCP and CEC functionalities are also supported by this hardware,
> but are not included in this commit.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---

[snip]

> +static void mtk_hdmi_v2_audio_init(struct mtk_hdmi *hdmi, struct hdmi_codec_pdata *codec_data)
> +{
> +       struct hdmi_audio_param *aud_param = &hdmi->aud_param;
> +
> +       aud_param->aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
> +       aud_param->aud_sample_size = HDMI_AUDIO_SAMPLE_SIZE_16;
> +       aud_param->aud_input_type = HDMI_AUD_INPUT_I2S;
> +       aud_param->aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
> +       aud_param->aud_mclk = HDMI_AUD_MCLK_128FS;
> +       aud_param->aud_input_chan_type = HDMI_AUD_CHAN_TYPE_2_0;
> +       codec_data->ops = &mtk_hdmi_v2_audio_codec_ops;

This function is almost the same as v1. The only difference is codec_data->ops, so make audio init as common function.
And

codec_data->ops = hdmi->conf->ver_conf->audio_codec_ops;

Regards,
CK

> +}
> +