[PATCH 6.18 135/752] drm/panel: edp: add BOE NV140WUM-T08 panel

Sasha Levin
2026-02-28T17:50:02Z

From: Hans de Goede <johannes.goede@oss.qualcomm.com>

[ Upstream commit 349d4efadc1f831ebc0b872ba1e3a2b7dd58b72b ]

Add powerseq timing info for the BOE NV140WUM-T08 panel used on Lenovo
Thinkpad T14s gen 6 (Snapdragon X1 Elite) laptops.

edid-decode (hex):

00 ff ff ff ff ff ff 00 09 e5 26 0c 00 00 00 00
0a 21 01 04 a5 1e 13 78 03 d6 62 99 5e 5a 8e 27
25 53 58 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 33 3f 80 dc 70 b0 3c 40 30 20
36 00 2e bc 10 00 00 1a 00 00 00 fd 00 28 3c 4c
4c 10 01 0a 20 20 20 20 20 20 00 00 00 fe 00 42
4f 45 20 43 51 0a 20 20 20 20 20 20 00 00 00 fe
00 4e 56 31 34 30 57 55 4d 2d 54 30 38 0a 00 fa

Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patch.msgid.link/20260105155134.83266-1-johannes.goede@oss.qualcomm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/panel/panel-edp.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
index 6a8a4ebc91e21..d1e68c464e308 100644
--- a/drivers/gpu/drm/panel/panel-edp.c
+++ b/drivers/gpu/drm/panel/panel-edp.c
@@ -1730,6 +1730,12 @@ static const struct panel_delay delay_200_500_p2e100 = {
.prepare_to_enable = 100,
};

+static const struct panel_delay delay_200_500_p2e200 = {
+ .hpd_absent = 200,
+ .unprepare = 500,
+ .prepare_to_enable = 200,
+};
+
static const struct panel_delay delay_200_500_e50 = {
.hpd_absent = 200,
.unprepare = 500,
@@ -1974,6 +1980,7 @@ static const struct edp_panel_entry edp_panels[] = {
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b56, &delay_200_500_e80, "NT140FHM-N47"),
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b66, &delay_200_500_e80, "NE140WUM-N6G"),
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0c20, &delay_200_500_e80, "NT140FHM-N47"),
+ EDP_PANEL_ENTRY('B', 'O', 'E', 0x0c26, &delay_200_500_p2e200, "NV140WUM-T08"),
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0c93, &delay_200_500_e200, "Unknown"),
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0cb6, &delay_200_500_e200, "NT116WHM-N44"),
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0cf6, &delay_200_500_e200, "NV140WUM-N64"),
--
2.51.0