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authorLiankun Yang <liankun.yang@mediatek.com>2024-09-23 21:24:15 +0800
committerChun-Kuang Hu <chunkuang.hu@kernel.org>2024-10-23 14:00:56 +0000
commit3ded11b5c1b476f6d027d9017aa7deb8ab381ec1 (patch)
tree0a297bb32b03750194df133894f552ff1e5567dd /drivers/gpu/drm
parent655c6c1b7afe6d29f386f415594ee643e5e3d755 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dp.c85
1 files changed, 84 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
index d8796a904eca..f2bee617f063 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,
@@ -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,