From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9101DCCFA13 for ; Wed, 29 Apr 2026 17:00:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C88DF10F0EB; Wed, 29 Apr 2026 17:00:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="DIU5hgzQ"; dkim-atps=neutral Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4B23810F0F6 for ; Wed, 29 Apr 2026 17:00:22 +0000 (UTC) Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-4891cd41959so112018265e9.3 for ; Wed, 29 Apr 2026 10:00:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1777482021; x=1778086821; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=aidcyvjPbKTT3kmsb998TSQGc1MaHBcE23aYVUk7JtU=; b=DIU5hgzQbOfFn1miInN4wObk9z9z9wyJvuhrTDacHyrk6/N/sRlIldl5/QPBGRNmWb bO0c8XBKzlCj9YS88El59LKck0cluKBGy1uIzt0P107bULTpxvF2hnlkimw1fTuV0yHH OccCd9yDLX4iDbYDMptL66yGPgvR9TM/WZhSGxJJ4Qrd/A3E3LVPMFusgD7f3IGmL5zq NwiUIBpAG84Dew4KCNUPK5KtPwfO98jSpt+2JbNUNuNUEUWvNpai7gg1clR5ZPh9R2zh /+QNdVTVAXImDx/BvJs+eTByYDHehhmrU2ul1izNh/VN6RTImO7Bj2GY1kftts9ZYhf4 FhnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777482021; x=1778086821; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=aidcyvjPbKTT3kmsb998TSQGc1MaHBcE23aYVUk7JtU=; b=EtSMWHAdw8vonke4SYpVdED37Na3InC8dxM8AVcZbVy3GVP0CWCAKYAojIQB7b3tFz KiXeU8Z2B0TfkdHhwKG6Gqw3EZNeaQY4nSIIXsbHS270w1+1Ll9NR+8dnG0ARtvY2gna R+/Kwe/A5qprIqgX9LUKwisuuej7QO+nJSO66cGPOqEHOLqC2Gy7oYdFL1M6/o02EBoh qN1HrUWfzRTaMrsU8Pmb9eEIeK6o4PHs0XjJ7yq0zZbCWnFfgQ1HQdHrdZm/FS9rIbIP 19zfMhevs0KM3S54VMGea+09HmLzeV8Xl16mJDGuzjujkoZgrbYtnJ8eATiGMWdxL/Wu 1YNQ== X-Forwarded-Encrypted: i=1; AFNElJ/zMWD68hhiNK46Pt9OGn0PtzTJpi+wyF64SLEwqfG8tDyllKB0GLdId4VqyhBLb7ad6sDBv9/A194=@lists.freedesktop.org X-Gm-Message-State: AOJu0YwyEQNwvnvbbeXNPtjisTHR8YJ/O6rGJ30/FdzFNQ2SP34ke4Z9 77fxf3YXZJJA1EMOxgkKrWCNM6bOZpebzot3VW9VqO/gMgrT5JtQPYlU X-Gm-Gg: AeBDievZCZagYCgLRAzhftZldzqLoONhCoNIlLY74lBXrYvl8ltmdMwmCRYwhXPeFPk lYrc9Sy2ToRy2zWZ4nj8PCW3aXFY0Kl9H0lTpPw7zyQN60cjhXEDgcPVI36/wCsGR/w9CTbnb70 h8X7COSrxeL9qDwTwEPOf2MKG6g67/JZ2Sl3UoBFbo2lrQn4XQMBX4f9CNqebSGepNAsFW6MmJx hNoL8hjmg7Zf4/4RghYtKxYfjU7a5iPQvNFJe1wLrbqItE6QU06ULXSNLpDRRtU3IQReGZFHpRg GOXet6+aOQim0JuKAVWRQ2LzIbBA8QwsQFUj+vXL/3+AkbS2cd90KNLP5Q5LWxBOEunZKGTO4+3 NrEmhMP6oo/Beeeb0bub9dmYHUlAnT/tWrsYm4yAo9GeTE1fBUbt1udmgcYzHR3Viw3vvsE8K+8 Lc9FtQlw+scLyffCEDYo7e/ViZ63wcO00i4fqmxA6L8/hHwNlWr5RDVylhEHhG6w+q2nNIN4FRz tLb7Kfau+/rleN6xLCGgrEv5P3Vf8eh/GnT1aBI7jA936Pt X-Received: by 2002:a05:600c:8b04:b0:48a:53ea:13eb with SMTP id 5b1f17b1804b1-48a77ad5a7emr130239205e9.5.1777482019068; Wed, 29 Apr 2026 10:00:19 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:212b:3a69:4f2c:3897]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48a820c856dsm4809755e9.6.2026.04.29.10.00.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Apr 2026 10:00:18 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Biju Das , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Geert Uytterhoeven , Magnus Damm , Laurent Pinchart , dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Tommaso Merciai , Lad Prabhakar Subject: [PATCH 0/4] Add DU support for RZ/T2H and RZ/N2H SoCs Date: Wed, 29 Apr 2026 18:00:08 +0100 Message-ID: <20260429170012.366537-1-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.54.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Lad Prabhakar Hi All, This series adds support for the Display Unit (DU) on the RZ/T2H and RZ/N2H (R9A09G087) SoCs. The DU on these platforms is functionally similar to the RZ/G2UL DU but includes some SoC specific differences such as a single output port and explicit DPI output enable control. The series includes the following changes: 1. Add device tree bindings for the RZ/T2H and RZ/N2H DU variants, including a new compatible string and port property. 2. Make the DU reset control optional to allow probing on RZ/T2H where the DU does not have a reset line. 3. Move pixel clock validation logic to per-SoC constraints in rzg2l_du_device_info to accommodate different clock limits across SoCs. 4. Implement support for the RZ/T2H DU variant in the driver, including handling of the DPI output enable signal. Patches are rebased on next-20260429 and apply on drm-next. Cheers, Prabhakar Lad Prabhakar (4): dt-bindings: display: renesas,rzg2l-du: Add RZ/T2H and RZ/N2H support drm: renesas: rz-du: Make DU reset control optional for RZ/T2H support drm: renesas: rz-du: Move mode_valid logic to per-SoC clock limits drm: renesas: rz-du: Add support for RZ/T2H SoC .../bindings/display/renesas,rzg2l-du.yaml | 24 +++++++++++++++++-- drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c | 9 +++++-- drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c | 16 +++++++++++++ drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h | 14 +++++++++++ .../gpu/drm/renesas/rz-du/rzg2l_du_encoder.c | 6 ++++- .../gpu/drm/renesas/rz-du/rzg2l_du_encoder.h | 2 ++ 6 files changed, 66 insertions(+), 5 deletions(-) -- 2.54.0