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Date: Fri, 10 May 2024 12:09:21 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Liankun Yang <liankun.yang@...iatek.com>, chunkuang.hu@...nel.org,
 p.zabel@...gutronix.de, airlied@...il.com, daniel@...ll.ch,
 matthias.bgg@...il.com, jitao.shi@...iatek.com, mac.shen@...iatek.com
Cc: dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/1] Fix get efuse issue for MT8188 DPTX

Il 10/05/24 08:16, Liankun Yang ha scritto:
> Fix get efuse issue for MT8188 DPTX.
> 
> Signed-off-by: Liankun Yang <liankun.yang@...iatek.com>

I may agree with this commit, but:
1. The commit title is incorrect - I don't see "drm/mediatek:" - please look at
    the history to find out the right titles for your commits; and
2. The commit description isn't describing anything, you're just repeating the
    title: please add a description. What was wrong? What did you fix precisely?
3. There's no Fixes tag. Please add the relevant one.

Regards,
Angelo

> ---
>   drivers/gpu/drm/mediatek/mtk_dp.c | 85 ++++++++++++++++++++++++++++++-
>   1 file changed, 84 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
> index 2136a596efa1..32b36b63a4e1 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dp.c
> @@ -145,6 +145,89 @@ struct mtk_dp_data {
>   	u16 audio_m_div2_bit;
>   };
>   
> +static const struct mtk_dp_efuse_fmt mt8188_dp_efuse_fmt[MTK_DP_CAL_MAX] = {
> +	[MTK_DP_CAL_GLB_BIAS_TRIM] = {
> +		.idx = 0,
> +		.shift = 10,
> +		.mask = 0x1f,
> +		.min_val = 1,
> +		.max_val = 0x1e,
> +		.default_val = 0xf,
> +	},
> +	[MTK_DP_CAL_CLKTX_IMPSE] = {
> +		.idx = 0,
> +		.shift = 15,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_PMOS_0] = {
> +		.idx = 1,
> +		.shift = 0,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_PMOS_1] = {
> +		.idx = 1,
> +		.shift = 8,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_PMOS_2] = {
> +		.idx = 1,
> +		.shift = 16,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_PMOS_3] = {
> +		.idx = 1,
> +		.shift = 24,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_NMOS_0] = {
> +		.idx = 1,
> +		.shift = 4,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_NMOS_1] = {
> +		.idx = 1,
> +		.shift = 12,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_NMOS_2] = {
> +		.idx = 1,
> +		.shift = 20,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +	[MTK_DP_CAL_LN_TX_IMPSEL_NMOS_3] = {
> +		.idx = 1,
> +		.shift = 28,
> +		.mask = 0xf,
> +		.min_val = 1,
> +		.max_val = 0xe,
> +		.default_val = 0x8,
> +	},
> +};
> +
>   static const struct mtk_dp_efuse_fmt mt8195_edp_efuse_fmt[MTK_DP_CAL_MAX] = {
>   	[MTK_DP_CAL_GLB_BIAS_TRIM] = {
>   		.idx = 3,
> @@ -2758,7 +2841,7 @@ static SIMPLE_DEV_PM_OPS(mtk_dp_pm_ops, mtk_dp_suspend, mtk_dp_resume);
>   static const struct mtk_dp_data mt8188_dp_data = {
>   	.bridge_type = DRM_MODE_CONNECTOR_DisplayPort,
>   	.smc_cmd = MTK_DP_SIP_ATF_VIDEO_UNMUTE,
> -	.efuse_fmt = mt8195_dp_efuse_fmt,
> +	.efuse_fmt = mt8188_dp_efuse_fmt,
>   	.audio_supported = true,
>   	.audio_pkt_in_hblank_area = true,
>   	.audio_m_div2_bit = MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2,


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