linux-kernel - Re: [PATCH v3 23/33] drm/mediatek: mtk_hdmi: Use devm managed version of drm_bridge

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Message-ID: <bb26fb95bc38087ebc1b915fead920fc3a01a077.camel@mediatek.com>
Date: Fri, 20 Dec 2024 08:31:35 +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: "robh@...nel.org" <robh@...nel.org>, "jie.qiu@...iatek.com"
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	<mripard@...nel.org>, Jitao Shi (石记涛)
	<jitao.shi@...iatek.com>, "linux-mediatek@...ts.infradead.org"
	<linux-mediatek@...ts.infradead.org>, "dri-devel@...ts.freedesktop.org"
	<dri-devel@...ts.freedesktop.org>, "maarten.lankhorst@...ux.intel.com"
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	<matthias.bgg@...il.com>, "junzhi.zhao@...iatek.com"
	<junzhi.zhao@...iatek.com>
Subject: Re: [PATCH v3 23/33] drm/mediatek: mtk_hdmi: Use devm managed version
 of drm_bridge_add

Hi, Angelo:

On Tue, 2024-12-17 at 16:43 +0100, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until you have verified the sender or the content.
> 
> 
> Simplify the probe/remove functions by using devm_drm_bridge_add()
> as now there is no more need to manually remove the bridge.

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_hdmi.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index 2d5cf7352ed2..5d46d486c68f 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -1674,14 +1674,15 @@ static int mtk_hdmi_probe(struct platform_device *pdev)
>         hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
>         hdmi->bridge.vendor = "MediaTek";
>         hdmi->bridge.product = "On-Chip HDMI";
> -       drm_bridge_add(&hdmi->bridge);
> +
> +       ret = devm_drm_bridge_add(dev, &hdmi->bridge);
> +       if (ret)
> +               return dev_err_probe(dev, ret, "Failed to add bridge\n");
> 
>         ret = mtk_hdmi_clk_enable_audio(hdmi);
> -       if (ret) {
> -               drm_bridge_remove(&hdmi->bridge);
> +       if (ret)
>                 return dev_err_probe(dev, ret,
>                                      "Failed to enable audio clocks\n");
> -       }
> 
>         return 0;
>  }
> @@ -1690,7 +1691,6 @@ static void mtk_hdmi_remove(struct platform_device *pdev)
>  {
>         struct mtk_hdmi *hdmi = platform_get_drvdata(pdev);
> 
> -       drm_bridge_remove(&hdmi->bridge);
>         mtk_hdmi_clk_disable_audio(hdmi);
>  }
> 
> --
> 2.47.0
>