linux-kernel - Re: [PATCH v3 18/33] drm/mediatek: mtk_hdmi: Move vendor/product strings to drm

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Message-ID: <c93c81878ca5f45e2b7cf16863f1e4ab85f957e5.camel@mediatek.com>
Date: Fri, 20 Dec 2024 06:09:43 +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>
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	<mripard@...nel.org>, Jitao Shi (石记涛)
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	<junzhi.zhao@...iatek.com>
Subject: Re: [PATCH v3 18/33] drm/mediatek: mtk_hdmi: Move vendor/product
 strings to drm_bridge

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.
> 
> 
> Move the vendor and product strings to the appropriate entries
> of struct drm_bridge and use that in mtk_hdmi_setup_spd_infoframe
> instead of having the same as function parameters.
> 
> While at it, also beautify the strings, setting them to read
> "MediaTek On-Chip HDMI".

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 | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index ef8dfcb77318..eb38f4b7674e 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -952,15 +952,14 @@ static int mtk_hdmi_setup_avi_infoframe(struct mtk_hdmi *hdmi,
>         return 0;
>  }
> 
> -static int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi,
> -                                       const char *vendor,
> -                                       const char *product)
> +static int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi)
>  {
> +       struct drm_bridge *bridge = &hdmi->bridge;
>         struct hdmi_spd_infoframe frame;
>         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_SPD_INFOFRAME_SIZE];
>         ssize_t err;
> 
> -       err = hdmi_spd_infoframe_init(&frame, vendor, product);
> +       err = hdmi_spd_infoframe_init(&frame, bridge->vendor, bridge->product);
>         if (err < 0) {
>                 dev_err(hdmi->dev, "Failed to initialize SPD infoframe: %zd\n",
>                         err);
> @@ -1328,7 +1327,7 @@ static void mtk_hdmi_send_infoframe(struct mtk_hdmi *hdmi,
>  {
>         mtk_hdmi_setup_audio_infoframe(hdmi);
>         mtk_hdmi_setup_avi_infoframe(hdmi, mode);
> -       mtk_hdmi_setup_spd_infoframe(hdmi, "mediatek", "On-chip HDMI");
> +       mtk_hdmi_setup_spd_infoframe(hdmi);
>         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
>                 mtk_hdmi_setup_vendor_specific_infoframe(hdmi, mode);
>  }
> @@ -1709,6 +1708,8 @@ static int mtk_hdmi_probe(struct platform_device *pdev)
>         hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID
>                          | DRM_BRIDGE_OP_HPD;
>         hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
> +       hdmi->bridge.vendor = "MediaTek";
> +       hdmi->bridge.product = "On-Chip HDMI";
>         drm_bridge_add(&hdmi->bridge);
> 
>         ret = mtk_hdmi_clk_enable_audio(hdmi);
> --
> 2.47.0
>