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[82.37.195.13]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a88c7fab6esm12766675f8f.31.2025.07.01.01.17.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Jul 2025 01:17:03 -0700 (PDT) From: daniel@riscstar.com X-Google-Original-From: danielt@kernel.org Date: Tue, 01 Jul 2025 09:16:30 +0100 Subject: [PATCH] drm/edp-panel: Add touchscreen panel used by Lenovo X13s Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250701-x13x-touchscreen-lookup-v1-1-a1277f119f92@riscstar.com> X-B4-Tracking: v=1; b=H4sIAF2ZY2gC/x3MSwqAMAwA0atI1gZa6w+vIi4kRg1KK61KQby7x eVbzDwQ2AsH6LIHPN8SxNkEnWdA62gXRpmSoVBFpRqlMWoT8XQXrYE8s8Xdue06UJlxajWZmco aUn14niX+53543w+q+pwIaQAAAA== X-Change-ID: 20250701-x13x-touchscreen-lookup-03ad81c3fc46 To: Douglas Anderson , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Daniel Thompson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2020; i=daniel@riscstar.com; h=from:subject:message-id; bh=rsCSDF4oa1mXKkIMQDvD8kEAVJWdqOYxGDG8Q97DkO8=; b=owEBbQKS/ZANAwAKAXzjJV0594ihAcsmYgBoY5lr4c6SE8UwkHRKilPNXpBDUkdYB0HUtZ1Z+ Ibel7vdVxSJAjMEAAEKAB0WIQQvNUFTUPeVarpwrPB84yVdOfeIoQUCaGOZawAKCRB84yVdOfeI oTSBEACYPrcSUl8ZMnpPrIHbBehm4w1OmEz+4S7ROwOR6GAZmIgvOTlpvv90AuioK12iAMIIG70 0dMnlSmINF2XuuWWqHJvoJ/xHAOqAJGuj6MTnQCg1pbMBsYpAPUHzJOAQbPfYGoQb9bQskXiUGB JXyqo/PUzhk9qSn2N0g18Qmdcv8Y8SUeq4gl68s48xk6HOZYjCPiusl5oIEzpUv2SCz7lultbAa PV4n+zQHfXnwLgpieAtqET5qdYbe2eFj2eXDq8ngvrfqUp9pToUfNpA31BAxVxGPohOx8Q+FB5M BX/9ZjvS+5jbS85t1l8ysLDC8ZWQN27Ir+2COPdTAb+SrClhDYu06oiV0CeGgKD+GdF8ErQLdgl niKwdNZr8hAQQXFZSOeNaMLsFNAywcKrBUV/PDl9uuooaXXUNhMwVFCnUncrIgJBm/48LjHSW1n dHSKoWfuu+U/2cbi/nJiJ8CObR41bZRUr1z7YSubYw6V7uuWwGqq9Lbz/i6yzh2q7ALpyjQSFgL fKCZzM8SjZiURhzPHo49d08X58F2dph39P76Kg37zsY2jqSgCfrNyuDp8omlwzAxZT6nJ3/lbm1 WCNYH5pP4+tdq1pzyYDp6/vR8ZYrZ1rZqtiIR2M1ROjIzh/BOWDpy0XVzb30vW2V3hxlRPm6/8k Y8Cj6o3OKOysb9w== X-Developer-Key: i=daniel@riscstar.com; a=openpgp; fpr=E38BE19861669213F6E2661AA8A4E3BC5B7B28BE From: Daniel Thompson After (checks watch) a little over two years I finally investigated the boot warning on my Thinkpad X13s and it was caused by the conservative timings warning in panel-edp.c . The X13s was sold with a variety of different panel versions; I have the 300 nit multi-touch variant. I have been unable to secure panel documentation so the I copied the timings from NV133WUM-N63. The raw EDID is: 00 ff ff ff ff ff ff 00 09 e5 84 0a 00 00 00 00 1e 1f 01 04 a5 1d 12 78 03 5c 70 a6 51 4c 9c 26 0e 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 74 3c 80 a0 70 b0 28 40 30 20 36 00 1e b3 10 00 00 1a 00 00 00 fd 00 28 3c 4b 4b 10 01 0a 20 20 20 20 20 20 00 00 00 fe 00 42 4f 45 20 48 46 0a 20 20 20 20 20 20 00 00 00 fe 00 4e 56 31 33 33 57 55 4d 2d 54 30 31 0a 00 51 Signed-off-by: Daniel Thompson --- drivers/gpu/drm/panel/panel-edp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/pane= l-edp.c index 90e8c154a9788ad40e2101fdf39cbd92f2e0773a..9144de974f1e4abdd1af1261323= 8f6f28d98fc41 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -1935,6 +1935,7 @@ static const struct edp_panel_entry edp_panels[] =3D { EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a3e, &delay_200_500_e80, "NV116WHM-N49"= ), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a5d, &delay_200_500_e50, "NV116WHM-N45"= ), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0ac5, &delay_200_500_e50, "NV116WHM-N4C"= ), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a84, &delay_200_500_e50, "NV133WUM-T01"= ), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0ae8, &delay_200_500_e50_p2e80, "NV140WU= M-N41"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b09, &delay_200_500_e50_po2e200, "NV140= FHM-NZ"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b34, &delay_200_500_e80, "NV122WUM-N41"= ), --- base-commit: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af change-id: 20250701-x13x-touchscreen-lookup-03ad81c3fc46 Best regards, --=20 Daniel Thompson