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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id w67-20020a636246000000b005775e2a7951si2359730pgb.345.2023.10.29.15.53.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Oct 2023 15:53:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=VlQgeqvS; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id EBCDA80A7E6D; Sun, 29 Oct 2023 15:53:29 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230226AbjJ2WxR (ORCPT + 99 others); Sun, 29 Oct 2023 18:53:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229533AbjJ2WxQ (ORCPT ); Sun, 29 Oct 2023 18:53:16 -0400 Received: from mail-yb1-xb31.google.com (mail-yb1-xb31.google.com [IPv6:2607:f8b0:4864:20::b31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40F2DBA for ; Sun, 29 Oct 2023 15:53:14 -0700 (PDT) Received: by mail-yb1-xb31.google.com with SMTP id 3f1490d57ef6-d84f18e908aso3193942276.1 for ; Sun, 29 Oct 2023 15:53:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1698619993; x=1699224793; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=kh1Npdiagr0GsC7dWj3DYaf78y40AqHKeo0ZRGU7CBs=; b=VlQgeqvSRTf/o7F2EdJe2PhnBNeq/SCab7ZX2bvzi+7pZTPlAnegbsFxnco5CkM3dw 4Qw7RmEfQpDnBgZV2HPcLWUG3n3eb+sPEG9Zl7ovKquZwwQ+UojQ8QHtfJuek34mvptX XD1hBIamFvxNqVOEqR06/HVu7nCCxIIb2tRNaVLT9c9rFJDtpUYBNhqJ+K0h3Cc2e21+ suAp4ZFG4VRpeX5Kk05aFsPWAt9MvrNSRZS8B9fME9WF/WmpixOQ1WjDSl0mD+3uhz8A FFhLfMHBuowuc3NT7ORvtnkNFvjI8eBtbAG4/Nlz5GADaFtfvcxfzTdjO0pWERrDhXyU ZM8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698619993; x=1699224793; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=kh1Npdiagr0GsC7dWj3DYaf78y40AqHKeo0ZRGU7CBs=; b=An0tfRT5rkb48a5BBw7/zKkufRdubngjGU9ygpTfPqHm7qEcP0CGfSa9UOti6kUqhY BBTiPif2RgoAJi8A3ox1GJr83+nW8EBR41uweTeGgaWD1sa2adp+gT+n0y/X7hNU75It 9Iba/XSznN1wJpCz7G8W/JTeJioj+qoSfMneNYZjV7XYUos/83ToYzNGvL2L9daLNHkx ejoJa1WUhMTiauHWm21I0XBeHKErUQxlEew6/49VAvU7IRrK50hCE7Cd9z89b5ulHPP2 T434IeyaRMvtz1I4wGt9CYF1zggpvfQwXlDJ48K3ILRtb1Xj5n9Eqwe3sGmmTDsdSryY /1lQ== X-Gm-Message-State: AOJu0YxiDOhic1n6+3XV3EsW9Ma0/Th1SvRlA83YTuHzYr+ubYrfiwyh ewshlOxljV6lPBDbXp5sMAhMkaJD+4FbNFS96ti2muO61wYETRtsJvxXig== X-Received: by 2002:a25:824e:0:b0:da0:6179:95ac with SMTP id d14-20020a25824e000000b00da0617995acmr6813067ybn.48.1698619993219; Sun, 29 Oct 2023 15:53:13 -0700 (PDT) MIME-Version: 1.0 References: <20231029194607.379459-1-suijingfeng@loongson.cn> <20231029194607.379459-3-suijingfeng@loongson.cn> In-Reply-To: <20231029194607.379459-3-suijingfeng@loongson.cn> From: Dmitry Baryshkov Date: Mon, 30 Oct 2023 00:53:01 +0200 Message-ID: Subject: Re: [PATCH 2/8] drm/loongson: Introduce a drm bridge driver for it66121 HDMI transmitter To: Sui Jingfeng Cc: Maxime Ripard , Thomas Zimmermann , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Sun, 29 Oct 2023 15:53:30 -0700 (PDT) On Sun, 29 Oct 2023 at 21:46, Sui Jingfeng wrote: > > The IT66121 is a DVO to HDMI converter, LS3A5000+LS7A1000 ML5A_MB use this > chip to support HDMI output. Thus add a drm bridge based driver for it. > This patch is developed with drivers/gpu/drm/bridge/ite-it66121.c as base. Please use the original bridge driver instead of adding a new one. If it needs to be changed in any way, please help everyone else by improving it instead of introducing new driver. > > Signed-off-by: Sui Jingfeng > --- > drivers/gpu/drm/loongson/Kconfig | 1 + > drivers/gpu/drm/loongson/Makefile | 2 + > drivers/gpu/drm/loongson/ite_it66121.c | 749 ++++++++++++++++++++ > drivers/gpu/drm/loongson/ite_it66121.h | 19 + > drivers/gpu/drm/loongson/ite_it66121_regs.h | 268 +++++++ > 5 files changed, 1039 insertions(+) > create mode 100644 drivers/gpu/drm/loongson/ite_it66121.c > create mode 100644 drivers/gpu/drm/loongson/ite_it66121.h > create mode 100644 drivers/gpu/drm/loongson/ite_it66121_regs.h -- With best wishes Dmitry