From nobody Fri Apr 3 04:53:34 2026 Received: from DM1PR04CU001.outbound.protection.outlook.com (mail-centralusazon11010069.outbound.protection.outlook.com [52.101.61.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4BA0B36BCCA for ; Tue, 17 Feb 2026 14:25:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.61.69 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771338345; cv=fail; b=tuDv98srqHotMvc1Daywl5yu7i8FZCx0FJCIKRQ8i+i4cWhL3U9kJP6ZfiFJfOgJbTr2GZE8vQSAWGq+ziVUR0acgRuky+/rPgb9Fo2XVG8Bbu3IzOrZiASsPVF+iZzVQ/AAW3M5w0tvOtfVgQ+e96J2750GEb5cOL+6lF/EkH0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771338345; c=relaxed/simple; bh=DKBKsdjJUOPtCffCfoLwH148E3B1WaUTKhGOXaKDSzI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=mO5TvOrIu+WM4Da3oEpamgwUoxvsonb8ibB1sgzOjcZbO99VJtS88n08QxC0bfajvjS3NHL+kT/B+M+rKpRjMXRMTBpKMN7p/v6wVM2siv8+EfSb9WsRFfj+8BZhVjKIJK+8mmxrGdGUI9QFKRrTd1Gn9r+gee2rg1G+6jUSCbo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gehealthcare.com; spf=pass smtp.mailfrom=gehealthcare.com; dkim=pass (2048-bit key) header.d=gehealthcare.com header.i=@gehealthcare.com header.b=cCJrMfLl; arc=fail smtp.client-ip=52.101.61.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gehealthcare.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gehealthcare.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gehealthcare.com header.i=@gehealthcare.com header.b="cCJrMfLl" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=YGqMD2cf87SxSdf/2ZMALVsZne6lUf5Mwp1o89HCgYlt1ssJL/PO7PaRQ9ILKxUX9GgoQZHq0bGKQ0r7Q+7pwJYiMgwYAmv9HWvm7w+BOc8oMxeLmMhMH7HNWeFgKGosJhthWWHuvvuOGBDK0qlAcaD1gggi44B61CC4I39+9gMLXI17inFFtS4nGgmP13yVscQI+44BOlnIj5SlNdnPCjVegs02nqjS3Z+ZGusgo992XXFUrZcCODnKOnYmY6thpMRPxrKGFsiaTq8l3zIr6vR0euqLfOfuV+TPxrclIB4TCZ/zAuQIjMws7sZMSe8u+57ixmkcfrrBMEnNQTlu/g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=bBqtOfJUWsLTEplmoog7HkEMKQgIwKj2ZomOCk7Cia8=; b=pYF8xU1xOOej6rdm/SE55+QWYW4Gh1Y/45Y7u/lOkjN5xhtBbyL4aYUSbv/ueixF+5x4EQux0gHHcyJ3m0Zhlou9CZVTMdBPz+9dV2qSKWeI1YiN7+UHmw5fTtuX8Pt8OkBe+l5tGykAb2LjiLY9BvPy1LTkOwAXLpNyECkknOQFqFZ5TsJZnkS3yxiV9DxdSeoXVW7iS6AwYW/HULvZ23CR16blzTwfC3Hq08GcOR50TIaJ58GxDVw5jXLYmcJFw6R2QcDtQapkYw2ceKWoVUBgtnDcc+Y57hie1sSjL4UfLh+iIn0XAzT6m2nol0nIcDN2HYcUWc5xL1bmZG84Hw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=fail (sender ip is 165.85.157.49) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=gehealthcare.com; dmarc=fail (p=quarantine sp=quarantine pct=100) action=quarantine header.from=gehealthcare.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gehealthcare.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=bBqtOfJUWsLTEplmoog7HkEMKQgIwKj2ZomOCk7Cia8=; b=cCJrMfLl3o7lJx+J76t9pFm38KR2cI91hu0xWIDz4QcmHbG8+bsjO4AIcj25lmXCcZfPyulq9OaE2os86zALaHhObNAkU0e7dollaU+/pV3D4mPjttd5Ky2MPzf5KeywMf4/tNiPTVKAU3oafOmsIsr6ZJvCPmTWl93fK8VsrY8w8Pj3b+pDOld7dthHkP3plRntMXI2h2rvnABd3G80b+0vlZXK9bUuVYt7b6OXokfL2J6Wilk/tB469KYW+WKc7PjMYvW5e5mCq22/OiDJMND8ybmGjjamsY92y6t8kHTnCsulGajDMo9iIUwQuX/By3Os0BZmgnCAGxtYvvvwyQ== Received: from PH7P221CA0019.NAMP221.PROD.OUTLOOK.COM (2603:10b6:510:32a::15) by LV8PR22MB4479.namprd22.prod.outlook.com (2603:10b6:408:193::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9611.16; Tue, 17 Feb 2026 14:25:34 +0000 Received: from SN1PEPF000397B2.namprd05.prod.outlook.com (2603:10b6:510:32a:cafe::45) by PH7P221CA0019.outlook.office365.com (2603:10b6:510:32a::15) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9632.13 via Frontend Transport; Tue, 17 Feb 2026 14:25:34 +0000 X-MS-Exchange-Authentication-Results: spf=fail (sender IP is 165.85.157.49) smtp.mailfrom=gehealthcare.com; dkim=none (message not signed) header.d=none;dmarc=fail action=quarantine header.from=gehealthcare.com; Received-SPF: Fail (protection.outlook.com: domain of gehealthcare.com does not designate 165.85.157.49 as permitted sender) receiver=protection.outlook.com; client-ip=165.85.157.49; helo=atlrelay1.compute.ge-healthcare.net; Received: from atlrelay1.compute.ge-healthcare.net (165.85.157.49) by SN1PEPF000397B2.mail.protection.outlook.com (10.167.248.56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9632.12 via Frontend Transport; Tue, 17 Feb 2026 14:25:33 +0000 Received: from zeus.fihel.lab.ge-healthcare.net (zoo13.fihel.lab.ge-healthcare.net [10.168.174.111]) by builder1.fihel.lab.ge-healthcare.net (Postfix) with ESMTP id A75FFE8F41; Tue, 17 Feb 2026 16:25:30 +0200 (EET) From: Ian Ray To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sam Ravnborg , Sebastian Reichel Cc: Ian Ray , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/panel: simple: Correct G190EAN01 prepare timing Date: Tue, 17 Feb 2026 16:25:26 +0200 Message-ID: <20260217142528.68613-1-ian.ray@gehealthcare.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397B2:EE_|LV8PR22MB4479:EE_ X-MS-Office365-Filtering-Correlation-Id: d577e758-f3a4-4978-3832-08de6e306941 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?M+9IIBEg0EswATG388g36LbchJZf24ji61Fb0v90p2BEwb/gWteYDkPAWj09?= =?us-ascii?Q?H2Y66ToGcRGoirG4QeXZc9yzQhM1wd4+YMEuSfDFw+xwbmsW72GabvxxDTBi?= =?us-ascii?Q?2L2aD0J0xY3JvpdQN+fAqONsTBwCueVDRBkLdRcQGwhBSmUHUnTYaz9+/yxM?= =?us-ascii?Q?csNLE/osAbTsw7toD6T9Qh3wWV7o+0Iv/8in2RgX/wjvdpqVOUpWU8e3dRtP?= =?us-ascii?Q?1emlsm93f9JIhofAaWwZlmdkPipOV2blGW8VfiZY3+GVudq3S0QNxEyZZr5V?= =?us-ascii?Q?r9EyK6c1MVG3zVl9P0no0RlVhc2W4fJtG5Y0d8+mQy54Cd0FQconGefZuRyR?= =?us-ascii?Q?wgp4N89Q/G8jBTUgfoW1kkpzkZlFR3ehik92dagJTvJYx/QlHShBHDPMmtTC?= =?us-ascii?Q?pFtLzEiuKqAZoKazBlns5MGIMiw6ERRzdgS4fQehYUvFOS2pVOJ0uwWhPibd?= =?us-ascii?Q?cGJej+h9lnJ6807K1fhFVw0zVMK2ZP8iivSoQt3akSGbEzuZ1Lu+PonJiPw+?= =?us-ascii?Q?3JqJEQBhp/8S2tI02iKQ1Wekcu8CQErRDkrAMfHXVOdkA7zxbdD6EcalGFw/?= =?us-ascii?Q?373nGxMO2I8meYRGOMY0fn6ICTKFeCvHKY9YsElulIuDd+ShzSRT5SRCST6l?= =?us-ascii?Q?4Snxv2kqE783xKNv58hAS8hZ+Qh6b8KA2AQ7MW6gzwIAKkgwMmxUFqQmqdQ5?= =?us-ascii?Q?8hNYFv2tHlflIGjuWEBHafATejWcFhyBe8PI50nhB0cvB5u15Zqu/cFHgunI?= =?us-ascii?Q?ueaBmRJWk5Ji9pm0mz9IljX1Dh9HkbbqYJXhVeWpwjPfdoSDpxdyOI5XR0Qh?= =?us-ascii?Q?1jawIu53Tki+6Ha6hTnJWWEBzHONOTxLO7hXwNx+R5CkqSVcNFY8xACllN58?= =?us-ascii?Q?QRDrqT48BHC0zfJZp30YpXYLvMvzIUCZd7qwVrfzTbdknACUiuNUVHTf6j76?= =?us-ascii?Q?E1kXnfDJJmOkkzMza5sAYqL+NlFylfklKickZw/UhLdu0ygYJhmuiUZ35kWn?= =?us-ascii?Q?Cz0US1u+AG3j6eFI9l5wUZZBz9UNgNXDnFlewAZQIwnrs1GS4hUTeVwTiyqw?= =?us-ascii?Q?DBPm77e/9uL4MMT3TpkP5P5Xg/W+HnFM5VIuaVSFu48kCqSD2kH0ZxlMAJ71?= =?us-ascii?Q?jGWIBY2m1Gvz/UVBU52FmuMmbtSnqIEWurSjy0g9o7w97ELzZCGVZsmU1KZ7?= =?us-ascii?Q?LM2aXFJkS8uNwyELb//SR7IwmpnWBDgBLh250HaFynr77ZvZGmQbYwAlJ6Lr?= =?us-ascii?Q?hWHdAw2Gpmyr0PJojyqOa9HUGih6Wmqh7KZ6wt9nmpxfV2ZmZybOS19G4520?= =?us-ascii?Q?1DRfPNsLcll1F0gpHmdVBCgC09RXuaEcli+ovdT5wBOoUhanNh2Rz6NdycqM?= =?us-ascii?Q?oYY9dR9N6BFAVTzhAJyG+X0uUUp3KQ3htSZT1QPZwzAo6roZ/rUZK0qGGgDH?= =?us-ascii?Q?VusRkPbQeFW7OWj/U5i/sDfPyF3EpakscqK6c74RAwEjsIxUKFQ+e0xSPtRv?= =?us-ascii?Q?eRMEZw2vp76l0Q2Sku6iVrNtaVU5wuzjjaJ4lJUlpbI8wWX3ulcAusTPHU14?= =?us-ascii?Q?Wh4TTd44DESozaer6XJG7oK37q786Z+zbFey+Kbj9au90dFYsdahWzFio7ux?= =?us-ascii?Q?OcVYJlBmWagbylfK6AbU7Tvk7ycJ75KWFoa2ZpLNSPLZUvtlynaTjrMPF/mS?= =?us-ascii?Q?bsuXRA=3D=3D?= X-Forefront-Antispam-Report: CIP:165.85.157.49;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:atlrelay1.compute.ge-healthcare.net;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(376014)(1800799024);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 0X0RLZ34y0TmmlrJ2UBj1Cd2eKl3zop0S18LzUmY44yJJp3tZE11S9tomYNm4HRCFS+slW35r80+zOAs/k8hiMsP3RGDGCsfwiahkwVS41+KDpGEeJccrhUNhsitzoVD9ESebQ0yRlFsmL3qUjpHLEIdoZIKH4leva0lngvNJ3aXlPOjqWtTPZEMYPKgSPBjw6DsAfPXTG1wMita6hd5kVg+UPAh4tEWhyT9bjYxrds3YMhOOEU+YkmthBgv7Dg33izXEjyUvcyVrw/KrdHoibM7mCPMy50Wau1rJMcW6kpAanzpkrJ1TyjVK0N5wLdaafdcOorpXcTfYs5xlSjHt+iqxZHaqU/sepF2MIbZP1wFiHk7CFHQ6xSpZFCiY2rPprSaXkVicNE78PCb5ocI/q5Fmyhmiwnuy5ETx+ONIW/arfBdbqTcoPeAy7R3mI3R X-OriginatorOrg: gehealthcare.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Feb 2026 14:25:33.4842 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d577e758-f3a4-4978-3832-08de6e306941 X-MS-Exchange-CrossTenant-Id: 9a309606-d6ec-4188-a28a-298812b4bbbf X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=9a309606-d6ec-4188-a28a-298812b4bbbf;Ip=[165.85.157.49];Helo=[atlrelay1.compute.ge-healthcare.net] X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TreatMessagesAsInternal-SN1PEPF000397B2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR22MB4479 Content-Type: text/plain; charset="utf-8" From: Sebastian Reichel The prepare timing specified by the G190EAN01 datasheet should be between 30 and 50 ms. Considering it might take some time for the LVDS encoder to enable the signal, we should only wait the min. required time in the panel driver and not the max. allowed time. Fixes: 2f7b832fc992 ("drm/panel: simple: Add support for AUO G190EAN01 pane= l") Signed-off-by: Sebastian Reichel Signed-off-by: Ian Ray Reviewed-by: Neil Armstrong --- drivers/gpu/drm/panel/panel-simple.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/p= anel-simple.c index 91ab280869ba..a242ae284db5 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1295,7 +1295,7 @@ static const struct panel_desc auo_g190ean01 =3D { .height =3D 301, }, .delay =3D { - .prepare =3D 50, + .prepare =3D 30, .enable =3D 200, .disable =3D 110, .unprepare =3D 1000, --=20 2.49.0