From patchwork Thu Jan 14 09:21:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 363035 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2768AC433DB for ; Thu, 14 Jan 2021 09:33:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C54502395A for ; Thu, 14 Jan 2021 09:33:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727374AbhANJdU (ORCPT ); Thu, 14 Jan 2021 04:33:20 -0500 Received: from mail-eopbgr60071.outbound.protection.outlook.com ([40.107.6.71]:41985 "EHLO EUR04-DB3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726822AbhANJdR (ORCPT ); Thu, 14 Jan 2021 04:33:17 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=jgBIkWEsVpEWYXSWqr6QdG/qxPrFMZ+uQe+X8sIhCfkM5MCKy2aWeCs6Q/DE/G7Tu/fOlxry3dY8gclXnh+6PZpoVdpmD99UgqgOGEf/ELc4SepHeZDkIdGHJIfOiN0taFuJngoajDCxIBpAOY6x2xJA8ix2ypJJNnYb4sBrxiHc8UMaaqRuP4sQgkhoan5lhPwMZe8iiSq93CC04N80oRpihauqhIxs/C+vizzyoNAvTkmcpLoGKsl2EryCITOtXKHFPA26A8fVsJfbLY+CmjUjO4XTJq7Y0dd90l7HjkLE2G2jv8JcqhH+JKkYPCTF8d1OWKYcCWTYS3l+Z0Tq8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GiZqnN7+9VOYONNJ32O3uzNbartJcvcoWkvCJ2DkZdc=; b=ZkpW6aqIbQBuj0yuArbN8VOqS0gVBgP3rPsvJhe8tS0oIg3W1f4wEKqns0sOw4Zhvqpy1HbjQrWYOaafxxMnxd1Jw2EuKdEuv0ln9d+J/rddsz9xe84hmH6LL+m5qxRshqjCcMJHOo89YK/QjiCKw0lRzg0xVodZ8MbIR8ytU6wRw6v91d5iz6gwCa0+Y4NyEALJv7Kl+JEK17o0Vci9w6Ce2FPhfFtnWvw6Tx/TBVE8Mk5RnWXQAr2l9lx1b/Jkkocgf+UW0ixcUi5DNWMlwfdWgGEUYiq9kwnNTw2U3OZbH/HKew9oi5m+Lbd7tJerJC7B744f9UMmE5/S46HbwA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GiZqnN7+9VOYONNJ32O3uzNbartJcvcoWkvCJ2DkZdc=; b=H3xeVtoAJCSGM8cj9rFxMotZLApO5t/LQ0QECkfsNQe0zA4YWzzm3snJxa2I/OQ56m6+Q7zYo+pRoJyHWGrUmHBQWbdSP2Y99KKcqXyoIdhdha7LVBR1p58m+alO159YQJDIyqX0hUraFi20xzu2YTi1gJNzOJfv0J2Zy9ye5xU= Authentication-Results: lists.freedesktop.org; dkim=none (message not signed) header.d=none; lists.freedesktop.org; dmarc=none action=none header.from=nxp.com; Received: from VI1PR04MB3983.eurprd04.prod.outlook.com (2603:10a6:803:4c::16) by VI1PR04MB4893.eurprd04.prod.outlook.com (2603:10a6:803:5c::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3742.6; Thu, 14 Jan 2021 09:32:27 +0000 Received: from VI1PR04MB3983.eurprd04.prod.outlook.com ([fe80::2564:cacc:2da5:52d0]) by VI1PR04MB3983.eurprd04.prod.outlook.com ([fe80::2564:cacc:2da5:52d0%5]) with mapi id 15.20.3763.010; Thu, 14 Jan 2021 09:32:27 +0000 From: Liu Ying To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, mchehab@kernel.org, a.hajda@samsung.com, narmstrong@baylibre.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, kishon@ti.com, vkoul@kernel.org Subject: [PATCH v2 00/14] Add some DRM bridge drivers support for i.MX8qm/qxp SoCs Date: Thu, 14 Jan 2021 17:21:58 +0800 Message-Id: <1610616132-8220-1-git-send-email-victor.liu@nxp.com> X-Mailer: git-send-email 2.7.4 X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR04CA0175.apcprd04.prod.outlook.com (2603:1096:4:14::13) To VI1PR04MB3983.eurprd04.prod.outlook.com (2603:10a6:803:4c::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR04CA0175.apcprd04.prod.outlook.com (2603:1096:4:14::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3763.10 via Frontend Transport; Thu, 14 Jan 2021 09:32:21 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 5bc1b19b-1666-418a-3dc3-08d8b86f4e8d X-MS-TrafficTypeDiagnostic: VI1PR04MB4893: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VI1PR04MB3983.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(6029001)(4636009)(39860400002)(376002)(346002)(366004)(136003)(396003)(36756003)(6486002)(16526019)(186003)(5660300002)(4326008)(478600001)(83380400001)(8676002)(26005)(66946007)(316002)(966005)(52116002)(8936002)(6666004)(6512007)(69590400011)(66556008)(6506007)(66476007)(86362001)(956004)(2616005)(2906002)(7416002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB3983.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jan 2021 09:32:26.8886 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-Network-Message-Id: 5bc1b19b-1666-418a-3dc3-08d8b86f4e8d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: APhhBrdFGsi0l43WuU5unh6B8h5K0uvbJHvsSThdOdjPWjA9d12hggzpax+T+B90NzFooeAWm8Z25px1j9/G/g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4893 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi, This is the v2 series to add some DRM bridge drivers support for i.MX8qm/qxp SoCs. The bridges may chain one by one to form display pipes to support LVDS displays. The relevant display controller is DPU embedded in i.MX8qm/qxp SoCs. The DPU KMS driver can be found at: https://www.spinics.net/lists/arm-kernel/msg863775.html This series supports the following display pipes: 1) i.MX8qxp: prefetch eng -> DPU -> pixel combiner -> pixel link -> pixel link to DPI(PXL2DPI) -> LVDS display bridge(LDB) 2) i.MX8qm: prefetch eng -> DPU -> pixel combiner -> pixel link -> LVDS display bridge(LDB) Patch 1/14 adds LVDS PHY configuration options, which has already been sent with the following series to add Mixel combo PHY found in i.MX8qxp: https://www.spinics.net/lists/arm-kernel/msg862560.html Patch 2/14 and 3/14 add bus formats used by PXL2DPI. Patch 4/14 ~ 13/14 add drm bridge drivers and dt-bindings support for the bridges. Patch 14/14 updates MAINTAINERS. I've tested this series with a koe,tx26d202vm0bwa dual link LVDS panel and a LVDS to HDMI bridge(with a downstream drm bridge driver). Welcome comments, thanks. v1->v2: * Rebase the series upon the latest drm-misc-next branch(5.11-rc2 based). * Use graph schema in the dt-bindings of the bridges. (Laurent) * Require all four pixel link output ports in fsl,imx8qxp-pixel-link.yaml. (Laurent) * Side note i.MX8qm/qxp LDB official name 'pixel mapper' in fsl,imx8qxp-ldb.yaml. (Laurent) * Mention pixel link is accessed via SCU firmware in fsl,imx8qxp-pixel-link.yaml. (Rob) * Use enum instead of oneOf + const for the reg property of pixel combiner channels in fsl,imx8qxp-pixel-combiner.yaml. (Rob) * Rewrite the function to find the next bridge in pixel link bridge driver by properly using OF APIs and dropping unnecessary DT validation. (Rob) * Drop unnecessary port availability check in i.MX8qxp pixel link to DPI bridge driver. * Drop unnecessary DT validation from i.MX8qxp LDB bridge driver. * Use of_graph_get_endpoint_by_regs() and of_graph_get_remote_endpoint() to get the input remote endpoint in imx8qxp_ldb_set_di_id() of i.MX8qxp LDB bridge driver. * Avoid using companion_port OF node after putting it in imx8qxp_ldb_parse_dt_companion() of i.MX8qxp LDB bridge driver. * Drop unnecessary check for maximum available LDB channels from i.MX8qm LDB bridge driver. * Mention i.MX8qm/qxp LDB official name 'pixel mapper' in i.MX8qm/qxp LDB bridge drivers and Kconfig help messages. Liu Ying (14): phy: Add LVDS configuration options media: uapi: Add some RGB bus formats for i.MX8qm/qxp pixel combiner media: docs: Add some RGB bus formats for i.MX8qm/qxp pixel combiner dt-bindings: display: bridge: Add i.MX8qm/qxp pixel combiner binding drm/bridge: imx: Add i.MX8qm/qxp pixel combiner support dt-bindings: display: bridge: Add i.MX8qm/qxp display pixel link binding drm/bridge: imx: Add i.MX8qm/qxp display pixel link support dt-bindings: display: bridge: Add i.MX8qxp pixel link to DPI binding drm/bridge: imx: Add i.MX8qxp pixel link to DPI support drm/bridge: imx: Add LDB driver helper support dt-bindings: display: bridge: Add i.MX8qm/qxp LVDS display bridge binding drm/bridge: imx: Add LDB support for i.MX8qxp drm/bridge: imx: Add LDB support for i.MX8qm MAINTAINERS: add maintainer for DRM bridge drivers for i.MX SoCs .../bindings/display/bridge/fsl,imx8qxp-ldb.yaml | 176 +++++ .../display/bridge/fsl,imx8qxp-pixel-combiner.yaml | 144 +++++ .../display/bridge/fsl,imx8qxp-pixel-link.yaml | 106 +++ .../display/bridge/fsl,imx8qxp-pxl2dpi.yaml | 105 +++ .../userspace-api/media/v4l/subdev-formats.rst | 156 +++++ MAINTAINERS | 10 + drivers/gpu/drm/bridge/Kconfig | 2 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/imx/Kconfig | 52 ++ drivers/gpu/drm/bridge/imx/Makefile | 6 + drivers/gpu/drm/bridge/imx/imx-ldb-helper.c | 248 +++++++ drivers/gpu/drm/bridge/imx/imx8qm-ldb.c | 585 +++++++++++++++++ drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c | 719 +++++++++++++++++++++ .../gpu/drm/bridge/imx/imx8qxp-pixel-combiner.c | 452 +++++++++++++ drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c | 369 +++++++++++ drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c | 488 ++++++++++++++ include/drm/bridge/imx_ldb_helper.h | 98 +++ include/linux/phy/phy-lvds.h | 48 ++ include/linux/phy/phy.h | 4 + include/uapi/linux/media-bus-format.h | 6 +- 20 files changed, 3774 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-ldb.yaml create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-combiner.yaml create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pixel-link.yaml create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pxl2dpi.yaml create mode 100644 drivers/gpu/drm/bridge/imx/Kconfig create mode 100644 drivers/gpu/drm/bridge/imx/Makefile create mode 100644 drivers/gpu/drm/bridge/imx/imx-ldb-helper.c create mode 100644 drivers/gpu/drm/bridge/imx/imx8qm-ldb.c create mode 100644 drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c create mode 100644 drivers/gpu/drm/bridge/imx/imx8qxp-pixel-combiner.c create mode 100644 drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c create mode 100644 drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c create mode 100644 include/drm/bridge/imx_ldb_helper.h create mode 100644 include/linux/phy/phy-lvds.h