Commit 3ded11b5 authored by Liankun Yang's avatar Liankun Yang Committed by Chun-Kuang Hu
Browse files

drm/mediatek: Fix get efuse issue for MT8188 DPTX 



Update efuse data for MT8188 displayport.

The DP monitor can not display when DUT connected to USB-c to DP dongle.
Analysis view is invalid DP efuse data.

Fixes: 350c3fe9 ("drm/mediatek: dp: Add support MT8188 dp/edp function")
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarLiankun Yang <liankun.yang@mediatek.com>
Reviewed-by: default avatarFei Shao <fshao@chromium.org>
Tested-by: default avatarFei Shao <fshao@chromium.org>
Reviewed-by: default avatarCK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240923132521.22785-1-liankun.yang@mediatek.com/


Signed-off-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
parent 655c6c1b

drivers/gpu/drm/mediatek/mtk_dp.c

+84 −1
Original line number Diff line number Diff line
@@ -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,
@@ -2771,7 +2854,7 @@ 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,