Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-25 13:41:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/mediatek: Fix get efuse issue for MT8188 DPTX

Browse Source 
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: 350c3fe907 ("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>
This commit is contained in:
Liankun Yang 2024-09-23 21:24:15 +08:00 committed by Chun-Kuang Hu
parent 655c6c1b7a
commit 3ded11b5c1
1 changed files with 84 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

85
drivers/gpu/drm/mediatek/mtk_dp.c
View File

@ -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,