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: 350c3fe907fb ("drm/mediatek: dp: Add support MT8188 dp/edp function")
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Liankun Yang <liankun.yang@mediatek.com>
Reviewed-by: Fei Shao <fshao@chromium.org>
Tested-by: Fei Shao <fshao@chromium.org>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240923132521.22785-1-liankun.yang@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
index d8796a904eca4ddff5a98bf7fa368ec4018808e9..f2bee617f063a7b5839b9e5102a133234d77457a 100644 (file)
--- 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,
@@ -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,