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Date:   Tue, 21 Nov 2023 13:54:06 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Jiaxin Yu <jiaxin.yu@...iatek.com>, broonie@...nel.org,
        andrzej.hajda@...el.com, neil.armstrong@...aro.org,
        robert.foss@...aro.org, Laurent.pinchart@...asonboard.com,
        kuninori.morimoto.gx@...esas.com, nfraprado@...labora.com
Cc:     chunxu.li@...iatek.com, ajye_huang@...pal.corp-partner.google.com,
        allen-kh.cheng@...iatek.com, dri-devel@...ts.freedesktop.org,
        alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [v3 3/3] drm/bridge: it6505: Add audio support

Il 30/07/23 20:08, Jiaxin Yu ha scritto:
> Add audio support for it6505
> 
> 1. Bridge to hdmi-codec to support audio feature. At the same time,
>     the function of automatically detecting audio is removed.
> 2. It is observed that some DP-to-HDMI dongles will get into bad
>     states if sending InfoFrame without audio data. Defer to enable
>     it6505's audio feature when PCM triggers START or RESUME.
> 
> Signed-off-by: Jiaxin Yu <jiaxin.yu@...iatek.com>

Hello Jiaxin,
this patch doesn't apply anymore (and it won't build anymore) upstream.

> ---
>   drivers/gpu/drm/bridge/ite-it6505.c | 81 ++++++++++++++++++++++++++---
>   1 file changed, 75 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
> index 504d51c42f79..1cfcb0731288 100644
> --- a/drivers/gpu/drm/bridge/ite-it6505.c
> +++ b/drivers/gpu/drm/bridge/ite-it6505.c
> @@ -2162,7 +2162,6 @@ static void it6505_stop_link_train(struct it6505 *it6505)
>   
>   static void it6505_link_train_ok(struct it6505 *it6505)
>   {
> -	struct device *dev = &it6505->client->dev;

This is because this changed to `struct device *dev = it6505->dev;`

>   
>   	it6505->link_state = LINK_OK;
>   	/* disalbe mute enable avi info frame */
> @@ -2170,11 +2169,6 @@ static void it6505_link_train_ok(struct it6505 *it6505)
>   	it6505_set_bits(it6505, REG_INFOFRAME_CTRL,
>   			EN_VID_CTRL_PKT, EN_VID_CTRL_PKT);
>   
> -	if (it6505_audio_input(it6505)) {
> -		DRM_DEV_DEBUG_DRIVER(dev, "Enable audio!");
> -		it6505_enable_audio(it6505);
> -	}
> -
>   	if (it6505->hdcp_desired)
>   		it6505_start_hdcp(it6505);
>   }
> @@ -2846,6 +2840,45 @@ static void __maybe_unused it6505_audio_shutdown(struct device *dev, void *data)
>   		it6505_disable_audio(it6505);
>   }
>   
> +static int it6505_audio_hw_params(struct device *dev, void *data,
> +				  struct hdmi_codec_daifmt *daifmt,
> +				  struct hdmi_codec_params *params)
> +{
> +	struct it6505 *it6505 = dev_get_drvdata(dev);
> +
> +	return it6505_audio_setup_hw_params(it6505, params);
> +}
> +
> +static int it6505_audio_setup_trigger(struct it6505 *it6505, int cmd)
> +{
> +	struct device *dev = &it6505->client->dev;

...and because you'll have to change this one, and other occurrences of that
as well.

Can you please respin this series?

Thanks,
Angelo


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