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 357C6C433F5 for ; Wed, 6 Apr 2022 14:44:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7994A10E2DF; Wed, 6 Apr 2022 14:44:21 +0000 (UTC) Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by gabe.freedesktop.org (Postfix) with ESMTPS id CC22E10E2D5 for ; Wed, 6 Apr 2022 14:44:19 +0000 (UTC) Received: by mail-ej1-x62f.google.com with SMTP id i27so4726297ejd.9 for ; Wed, 06 Apr 2022 07:44:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=whpZ3f6EBitVqq0rstJxB66VMYokK6P1XsHnHCPNRzkc24btGAatngLwzN3FrEmk+X nXT4tCx7EzcaMXTxngfAU80wkPN1yAVsJZzSkSehSs2BXtRZcANCt6m93GX/BihIB+RY V7oYXx4CRRS7J6miGCAMWSNwRF8g+2l++6BEPLe7nzBKUOC+V2vfMI/s7CSmVp/9jdHg 2/Olc5oty19Vow4Sg9OXhlXGsSwaVffLD3aYy1+qWIQMaUVmQfNqM4kQlZSdQ670kpqP vXJHa0sJFTiCf0/nKh9/Le5EEfDWZiiBQuOkp6OsMtfLFinyDWYCxFlQdT5cQN3FFnwh nmVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=G8K8SGW9JyJU4pmuKNaKyX6IWWJg7jiczrLN0cNovWublw92cfWs3jxvc7MLnOL7A1 zfAxpQ1sODX/l5AwbBVKKNHtKC+zt2hO1Qx0tFjDEwMmYzuyvUQE2sHxJLmkcH6LoDFj 16hXokyBPwjyVLONJdrQMdkGZ4qI+ME9ieLlnNhpA5DCP9yrOMo1ZErg5c8Up1QVnfeg 2ZvfmdRm+5RCCdTralaTAFTl88elj7uaHF+6d4+gag9oEHeQngWropLeK5YgN8omqmgZ yUC/ezzsXdWR5T3G43T68XtmEvcsyVu2GW6rjuvpicMELImmUcj692ArMcewo1SQebOn z6JA== X-Gm-Message-State: AOAM5308qxo6kPhdzkqF3yvvBQVezvDr+snPrmpon27kovsKMPuFGYCe cDLPDJpiGCeetk61euc8+Cu3vw== X-Google-Smtp-Source: ABdhPJweVGzt2UYsW0wgC1QYNfzk/buFhSRGS7vEy/Lzgm2Wxo+7xzpzsQtReauuNt8ndDaCKGNT3A== X-Received: by 2002:a17:907:3d93:b0:6e7:4d22:75c8 with SMTP id he19-20020a1709073d9300b006e74d2275c8mr8656814ejc.330.1649256258352; Wed, 06 Apr 2022 07:44:18 -0700 (PDT) Received: from [192.168.0.185] (xdsl-188-155-201-27.adslplus.ch. [188.155.201.27]) by smtp.gmail.com with ESMTPSA id h30-20020a056402095e00b00412b81dd96esm7858108edz.29.2022.04.06.07.44.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Apr 2022 07:44:17 -0700 (PDT) Message-ID: <397e30c2-18c3-93d6-16f5-b113be77f51a@linaro.org> Date: Wed, 6 Apr 2022 16:44:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183 Content-Language: en-US To: Rex-BC Chen , chunkuang.hu@kernel.org, robh+dt@kernel.org, krzk+dt@kernel.org References: <20220406094654.29722-1-rex-bc.chen@mediatek.com> <20220406094654.29722-2-rex-bc.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220406094654.29722-2-rex-bc.chen@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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: , Cc: devicetree@vger.kernel.org, airlied@linux.ie, jason-jh.lin@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Project_Global_Chrome_Upstream_Group@mediatek.com, nancy.lin@mediatek.com, linux-mediatek@lists.infradead.org, yongqiang.niu@mediatek.com, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org, allen-kh.cheng@mediatek.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 06/04/2022 11:46, Rex-BC Chen wrote: > The driver data of MT8183 and MT8173 are different. > The value of has_gamma for MT8173 is true while the value of MT8183 is > false. Therefore, the compatible of disp_aal for MT8183 is not suitable > for the compatible for MT8173. Just because one feature is not supported, it does not mean they are incompatible, which you claim in the patch below. Are you sure they are really incompatible and MT8173 fallback cannot be used? Best regards, Krzysztof 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 23084C433EF for ; Wed, 6 Apr 2022 14:45:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Q+tUJzCv7pkZOCHNON2OseeTzpicj4S6gUa5JVCs8JA=; b=sfmXmVkIefyXy1 TvTOcX+5OjW54WXDCNBDCfDpVjsIVLZxWCWapRL68vT+2IkF1GZsuBYSVDpVAxg79ULUfCqlAAD4p F12PDKFLolvgkcQIfmae5YmH8nUgiLUKqb1EeQSwn89dDj6Y+c0vsDa6GcCKjc17/tg1F+Nyact0G OO8/lSqKx+cqPrl445KLKxOSa1P20k/N/URHU9m/qzY74BxCDHfh2483Z92NqYLEYQtQNTxKszLBH jwJuzcn5MEZbGiIAf7Mw/g59QHL2xTC2d9ASbcql9S//JEJklc3xZppOf9l0pbpV20p5xryGGPl9l 3jYvZoCMgb2BJ2xmFACQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nc6uC-006cZp-7i; Wed, 06 Apr 2022 14:45:08 +0000 Received: from mail-ej1-x632.google.com ([2a00:1450:4864:20::632]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nc6tT-006cCr-46 for linux-mediatek@lists.infradead.org; Wed, 06 Apr 2022 14:44:25 +0000 Received: by mail-ej1-x632.google.com with SMTP id dr20so4723310ejc.6 for ; Wed, 06 Apr 2022 07:44:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=whpZ3f6EBitVqq0rstJxB66VMYokK6P1XsHnHCPNRzkc24btGAatngLwzN3FrEmk+X nXT4tCx7EzcaMXTxngfAU80wkPN1yAVsJZzSkSehSs2BXtRZcANCt6m93GX/BihIB+RY V7oYXx4CRRS7J6miGCAMWSNwRF8g+2l++6BEPLe7nzBKUOC+V2vfMI/s7CSmVp/9jdHg 2/Olc5oty19Vow4Sg9OXhlXGsSwaVffLD3aYy1+qWIQMaUVmQfNqM4kQlZSdQ670kpqP vXJHa0sJFTiCf0/nKh9/Le5EEfDWZiiBQuOkp6OsMtfLFinyDWYCxFlQdT5cQN3FFnwh nmVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=zOGkKBR6qHztCtVJX6fiWTSpSIUUVLz48tI882UwkN4yHML6ePbNG2jJFufhWUB154 GqupRcSDt7w0+tdoku6G92KAim8ZrI21m5Hn4vvYoMybAZYElKCBKFz02OXOuqbfxTuk RGrWzmuI8AhXiD1e40rQQmd8YLojiJOtYb8qO/+yYD8EIFXzRDW1qSpcujTmpD7uIVwI eTYOO+/gLkaCqYGD7GWRjw1GVwZe9MVFVrNOluU9Eh8MLXXISIljP6UIO3Iht8xUmY3e TPIsxuxuPgX4hulxzODx2+Bgx+Stg5qF4bBhUCGMMw6h0UfY2jd3s3KjKQWUezAhK6FW bTRQ== X-Gm-Message-State: AOAM533fyPVIR+WlXDiBUBQP+42YSriiNTYBIv94I/2q3IisIpfDitZw UOnsV4p5f1vo3IiSIAMIc6lOXlvNczVB4vnL X-Google-Smtp-Source: ABdhPJweVGzt2UYsW0wgC1QYNfzk/buFhSRGS7vEy/Lzgm2Wxo+7xzpzsQtReauuNt8ndDaCKGNT3A== X-Received: by 2002:a17:907:3d93:b0:6e7:4d22:75c8 with SMTP id he19-20020a1709073d9300b006e74d2275c8mr8656814ejc.330.1649256258352; Wed, 06 Apr 2022 07:44:18 -0700 (PDT) Received: from [192.168.0.185] (xdsl-188-155-201-27.adslplus.ch. [188.155.201.27]) by smtp.gmail.com with ESMTPSA id h30-20020a056402095e00b00412b81dd96esm7858108edz.29.2022.04.06.07.44.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Apr 2022 07:44:17 -0700 (PDT) Message-ID: <397e30c2-18c3-93d6-16f5-b113be77f51a@linaro.org> Date: Wed, 6 Apr 2022 16:44:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183 Content-Language: en-US To: Rex-BC Chen , chunkuang.hu@kernel.org, robh+dt@kernel.org, krzk+dt@kernel.org Cc: matthias.bgg@gmail.com, p.zabel@pengutronix.de, airlied@linux.ie, yongqiang.niu@mediatek.com, jason-jh.lin@mediatek.com, nancy.lin@mediatek.com, allen-kh.cheng@mediatek.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220406094654.29722-1-rex-bc.chen@mediatek.com> <20220406094654.29722-2-rex-bc.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220406094654.29722-2-rex-bc.chen@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220406_074423_201535_EDFAF896 X-CRM114-Status: UNSURE ( 9.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 06/04/2022 11:46, Rex-BC Chen wrote: > The driver data of MT8183 and MT8173 are different. > The value of has_gamma for MT8173 is true while the value of MT8183 is > false. Therefore, the compatible of disp_aal for MT8183 is not suitable > for the compatible for MT8173. Just because one feature is not supported, it does not mean they are incompatible, which you claim in the patch below. Are you sure they are really incompatible and MT8173 fallback cannot be used? Best regards, Krzysztof _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9B59AC433F5 for ; Wed, 6 Apr 2022 14:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Z0YQbd6nGtdfbJTyqkGY3KfmuOE3rWGRAi5AeyMF+Og=; b=UgMcD7sSeMciIk ZL0tnlaoYFaxKEl3QEahZqeMJpVHXI6GNa6pDYN+SwzqCzVbRc/Ie7/14QrdZJGfk+AF4Jq+bFsw6 N7TZLEPH3NXO9RRS006bI9RyqB0FLM2ag6J9PBFKxD/ii2175Fe/QsRHzXeBl8qd5RlPsyv8a1UpR C8oxl1y1yyVBAEjR6BZ56mud/iLJB7INcuGy/vRn5lyqHIsOOg+du+05v5itafTPvuAyVM3coPWf5 zG6ZoDnMgxwQGti9CxdGrJs5CJoVgWSM+Tzuat3Gdl0a53457981XsyomeLFO2uqP+/+UaCusx852 5XamX9vdFGeDZLRBisIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nc6ta-006cHi-La; Wed, 06 Apr 2022 14:44:31 +0000 Received: from mail-ej1-x629.google.com ([2a00:1450:4864:20::629]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nc6tS-006cCq-Iy for linux-arm-kernel@lists.infradead.org; Wed, 06 Apr 2022 14:44:24 +0000 Received: by mail-ej1-x629.google.com with SMTP id p15so4736614ejc.7 for ; Wed, 06 Apr 2022 07:44:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=whpZ3f6EBitVqq0rstJxB66VMYokK6P1XsHnHCPNRzkc24btGAatngLwzN3FrEmk+X nXT4tCx7EzcaMXTxngfAU80wkPN1yAVsJZzSkSehSs2BXtRZcANCt6m93GX/BihIB+RY V7oYXx4CRRS7J6miGCAMWSNwRF8g+2l++6BEPLe7nzBKUOC+V2vfMI/s7CSmVp/9jdHg 2/Olc5oty19Vow4Sg9OXhlXGsSwaVffLD3aYy1+qWIQMaUVmQfNqM4kQlZSdQ670kpqP vXJHa0sJFTiCf0/nKh9/Le5EEfDWZiiBQuOkp6OsMtfLFinyDWYCxFlQdT5cQN3FFnwh nmVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=oKbK9cbFkqdZyENOy0WcRXFgmoXHCz1f7tDksUiu8BSKewoWQG8bzP7zTwuEDCANSd UrKeDaskZkjSPe1tBuozAZD/JcmKWBB/h7NbbRbgyEW8ROFTvR3ZY7yy32j2y/iomYRw ysTqgE801+q0JKz07Tnv/B5vu0hisUtrPl2b3XVIb029Wv0kC9LpUEOWLiejZte4zFuJ eHz8kpgyWFOBetm5Lcy4x+XrZlkN/txwuSZhffwyjPNKHTOG9oRVUDcm8ZvcO+rjsUuv PkDiiuoD2l9oQcFam8wIvcUv1vzn54gezhscE9SywHi6RqRSBHI+8D06wtHa1ABbqWI9 HiQg== X-Gm-Message-State: AOAM531Ki6yZfYddLdiXcvQpdlqbFEI+mFWK78VSmgqqPBnkmVTtmhfg noZMfq/ICqDsE8KOdfWOBLkETA== X-Google-Smtp-Source: ABdhPJweVGzt2UYsW0wgC1QYNfzk/buFhSRGS7vEy/Lzgm2Wxo+7xzpzsQtReauuNt8ndDaCKGNT3A== X-Received: by 2002:a17:907:3d93:b0:6e7:4d22:75c8 with SMTP id he19-20020a1709073d9300b006e74d2275c8mr8656814ejc.330.1649256258352; Wed, 06 Apr 2022 07:44:18 -0700 (PDT) Received: from [192.168.0.185] (xdsl-188-155-201-27.adslplus.ch. [188.155.201.27]) by smtp.gmail.com with ESMTPSA id h30-20020a056402095e00b00412b81dd96esm7858108edz.29.2022.04.06.07.44.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Apr 2022 07:44:17 -0700 (PDT) Message-ID: <397e30c2-18c3-93d6-16f5-b113be77f51a@linaro.org> Date: Wed, 6 Apr 2022 16:44:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183 Content-Language: en-US To: Rex-BC Chen , chunkuang.hu@kernel.org, robh+dt@kernel.org, krzk+dt@kernel.org Cc: matthias.bgg@gmail.com, p.zabel@pengutronix.de, airlied@linux.ie, yongqiang.niu@mediatek.com, jason-jh.lin@mediatek.com, nancy.lin@mediatek.com, allen-kh.cheng@mediatek.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220406094654.29722-1-rex-bc.chen@mediatek.com> <20220406094654.29722-2-rex-bc.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220406094654.29722-2-rex-bc.chen@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220406_074422_699134_02F2CF9E X-CRM114-Status: GOOD ( 11.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 06/04/2022 11:46, Rex-BC Chen wrote: > The driver data of MT8183 and MT8173 are different. > The value of has_gamma for MT8173 is true while the value of MT8183 is > false. Therefore, the compatible of disp_aal for MT8183 is not suitable > for the compatible for MT8173. Just because one feature is not supported, it does not mean they are incompatible, which you claim in the patch below. Are you sure they are really incompatible and MT8173 fallback cannot be used? Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CB0FC433F5 for ; Wed, 6 Apr 2022 17:05:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238339AbiDFRHy (ORCPT ); Wed, 6 Apr 2022 13:07:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238266AbiDFRHl (ORCPT ); Wed, 6 Apr 2022 13:07:41 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBF23116B41 for ; Wed, 6 Apr 2022 07:44:19 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id bh17so4735141ejb.8 for ; Wed, 06 Apr 2022 07:44:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=whpZ3f6EBitVqq0rstJxB66VMYokK6P1XsHnHCPNRzkc24btGAatngLwzN3FrEmk+X nXT4tCx7EzcaMXTxngfAU80wkPN1yAVsJZzSkSehSs2BXtRZcANCt6m93GX/BihIB+RY V7oYXx4CRRS7J6miGCAMWSNwRF8g+2l++6BEPLe7nzBKUOC+V2vfMI/s7CSmVp/9jdHg 2/Olc5oty19Vow4Sg9OXhlXGsSwaVffLD3aYy1+qWIQMaUVmQfNqM4kQlZSdQ670kpqP vXJHa0sJFTiCf0/nKh9/Le5EEfDWZiiBQuOkp6OsMtfLFinyDWYCxFlQdT5cQN3FFnwh nmVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=UNqM0LlACzUWebKPb32nAc46OxRJa6ogRvRpwiXpenY=; b=fkdmI/cq26cRfMhAX8a2uMem760dYveIL3SVFpUD2rLEKMjvsNMmzFJXbiiNYVAap7 219n466eBeuMc7N3Q+IgwOHuT/SUUelxFZZwNAdkkBIq7Uw0R4dj6gtl4vrifal+cpPM gBtYUC0d5plcBaj9B40lOdxnr+bwtoQwMt5SSLfRkcfjFdSs/i+h45Tp3olIQ1mplaaq R88FrLlpBqlqlLqprxGIvRY2+909QLrkREd9abwHkSsEOJdZX/XDeau3wrr7zj5Wr4cy 1SaFLSGC73baTPT14v/+Ahf0OV32MqnYCQsGI5ahaUgEwBNXYBghTyReN9OBMmT2ozfm RkOw== X-Gm-Message-State: AOAM5314rxXTuvTCr8gGoWCR1/+Thuv3iKhKeAC9dCRufsmYLWNtE9dN 7UJ8W/AbYXA+JN038AwjGAGcwA== X-Google-Smtp-Source: ABdhPJweVGzt2UYsW0wgC1QYNfzk/buFhSRGS7vEy/Lzgm2Wxo+7xzpzsQtReauuNt8ndDaCKGNT3A== X-Received: by 2002:a17:907:3d93:b0:6e7:4d22:75c8 with SMTP id he19-20020a1709073d9300b006e74d2275c8mr8656814ejc.330.1649256258352; Wed, 06 Apr 2022 07:44:18 -0700 (PDT) Received: from [192.168.0.185] (xdsl-188-155-201-27.adslplus.ch. [188.155.201.27]) by smtp.gmail.com with ESMTPSA id h30-20020a056402095e00b00412b81dd96esm7858108edz.29.2022.04.06.07.44.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Apr 2022 07:44:17 -0700 (PDT) Message-ID: <397e30c2-18c3-93d6-16f5-b113be77f51a@linaro.org> Date: Wed, 6 Apr 2022 16:44:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 1/3] dt-bindings: display: mediatek: Correct disp_aal binding for MT8183 Content-Language: en-US To: Rex-BC Chen , chunkuang.hu@kernel.org, robh+dt@kernel.org, krzk+dt@kernel.org Cc: matthias.bgg@gmail.com, p.zabel@pengutronix.de, airlied@linux.ie, yongqiang.niu@mediatek.com, jason-jh.lin@mediatek.com, nancy.lin@mediatek.com, allen-kh.cheng@mediatek.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220406094654.29722-1-rex-bc.chen@mediatek.com> <20220406094654.29722-2-rex-bc.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220406094654.29722-2-rex-bc.chen@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/04/2022 11:46, Rex-BC Chen wrote: > The driver data of MT8183 and MT8173 are different. > The value of has_gamma for MT8173 is true while the value of MT8183 is > false. Therefore, the compatible of disp_aal for MT8183 is not suitable > for the compatible for MT8173. Just because one feature is not supported, it does not mean they are incompatible, which you claim in the patch below. Are you sure they are really incompatible and MT8173 fallback cannot be used? Best regards, Krzysztof