linux-kernel - Re: [PATCH v3 21/33] drm/mediatek: mtk_hdmi: Remove unused members of struct mtk

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Message-ID: <8531b18b1e98156e315e3a20506c3e9f274712fe.camel@mediatek.com>
Date: Fri, 20 Dec 2024 07:25:41 +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 21/33] drm/mediatek: mtk_hdmi: Remove unused members of
 struct mtk_hdmi

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.
> 
> 
> The hdmi_colorspace csp member of struct mtk_hdmi is initialized
> once but then it's never used at all.
> Remove said member and the only assignment to it as a cleanup.
> 
> Also remove the ibias, ibias_up, min_clock, max_clock, min_hdisplay
> and max_vdisplay members, as those were really completely unused.
> 
> This commit brings no functional changes.

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 | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index c95c7b55998c..3ecd0ed59851 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -162,16 +162,9 @@ struct mtk_hdmi {
>         struct clk *clk[MTK_HDMI_CLK_COUNT];
>         struct drm_display_mode mode;
>         bool dvi_mode;
> -       u32 min_clock;
> -       u32 max_clock;
> -       u32 max_hdisplay;
> -       u32 max_vdisplay;
> -       u32 ibias;
> -       u32 ibias_up;
>         struct regmap *sys_regmap;
>         unsigned int sys_offset;
>         struct regmap *regs;
> -       enum hdmi_colorspace csp;
>         struct platform_device *audio_pdev;
>         struct hdmi_audio_param aud_param;
>         bool audio_enable;
> @@ -1036,7 +1029,6 @@ static int mtk_hdmi_output_init(struct mtk_hdmi *hdmi)
>  {
>         struct hdmi_audio_param *aud_param = &hdmi->aud_param;
> 
> -       hdmi->csp = HDMI_COLORSPACE_RGB;
>         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;
> --
> 2.47.0
>