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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 10457C49EA5 for ; Thu, 24 Jun 2021 08:30:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E892B60725 for ; Thu, 24 Jun 2021 08:30:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231947AbhFXIdQ (ORCPT ); Thu, 24 Jun 2021 04:33:16 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:57484 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231826AbhFXIdP (ORCPT ); Thu, 24 Jun 2021 04:33:15 -0400 Received: from mail-ej1-f70.google.com ([209.85.218.70]) by youngberry.canonical.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lwKlD-0005Io-Hj for linux-kernel@vger.kernel.org; Thu, 24 Jun 2021 08:30:55 +0000 Received: by mail-ej1-f70.google.com with SMTP id ci22-20020a170906c356b0290492ca430d87so1712415ejb.14 for ; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=FWf1/8cps0f2orI5AbiDd3FTEBu65FvivubU0HnKemc=; b=ni6olbogFcB6kwsM3DVbBvjwPZEylsd6YcalJU23r6byyQ1EuTSECwyCuGpgp/uifb OA9RShteHZVkMQyIl/xVkAm2zhia/GWU7k1jZuGx45T4VGeryEJCDwWASF9Vd4tYV41E 94JjH562V8gXsOuPIbEsyPHxkdrmSFGwYRyY+5YL/n+ZLq5F+S4rLKSXJxS1yiO5K9e+ 60nEP1HPU1tMacvILasMIuCHo/l9kkmw2oZoulLQo1CygG2uSI1Eu3jVBMhIf4blhIQA xpZGkjZzThKcgpLUbmjRT8AkpL5vLwJdK2Og8E/RlKN4SDT4FiC/K22XJh7yjFUog25M HN+g== X-Gm-Message-State: AOAM530z6f/fay5boDi6ePMcIxbWr+WJxTurDrwlhZWqjpmkybfLn2NB V2TEc/z2VCrXKOEf8ra+DqxHEzA1U2rU5dPwbVvgjGT8M4KCkX71kpJqqSvc7k5ILWPUl4xdFAS ecNLPp6acAdwA4dWAyRw2SSCIQSDoGN2KvZ/IIlN78A== X-Received: by 2002:a17:906:dbd5:: with SMTP id yc21mr4064965ejb.233.1624523455182; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyE9NG70Q0R7WlldJgiju8y4R6tNhr+XdnWHXcuF262S4ipiZ1rkQiFP2aNPfY2SEkDu6zFjg== X-Received: by 2002:a17:906:dbd5:: with SMTP id yc21mr4064931ejb.233.1624523455018; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) Received: from [192.168.1.115] (xdsl-188-155-177-222.adslplus.ch. [188.155.177.222]) by smtp.gmail.com with ESMTPSA id a3sm1417424edu.61.2021.06.24.01.30.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Jun 2021 01:30:54 -0700 (PDT) Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Fabio Estevam , Laurent Pinchart , Michael Tretter Cc: Jagan Teki , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , linux-amarula , Tomasz Figa , linux-kernel , Robert Foss , Andrzej Hajda , DRI mailing list , Milco Pratesi , Anthony Brandon , linux-phy@lists.infradead.org, Fancy Fang , Shawn Guo , Sascha Hauer , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , NXP Linux Team References: <20210621072424.111733-1-jagan@amarulasolutions.com> <20210621072424.111733-3-jagan@amarulasolutions.com> From: Krzysztof Kozlowski Message-ID: <2decfea3-3659-2a3b-7706-326c97f57f8e@canonical.com> Date: Thu, 24 Jun 2021 10:30:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/06/2021 04:48, Fabio Estevam wrote: > Hi Jagan/Laurent, > > On Wed, Jun 23, 2021 at 7:23 PM Laurent Pinchart > wrote: > >> Looking at the register set, it seems to match the Exynos 5433, >> supported by drivers/gpu/drm/exynos/exynos_drm_dsi.c. Can we leverage >> that driver instead of adding a new one for the same IP core ? > > Yes. there was an attempt from Michael in this direction: > https://patchwork.kernel.org/project/dri-devel/cover/20200911135413.3654800-1-m.tretter@pengutronix.de/ That's the proper direction (maybe as Marek suggested - sharing common code like for Analogix DP), not duplicating a driver. 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 X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 81679C49EA5 for ; Thu, 24 Jun 2021 08:32:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 52E79613FA for ; Thu, 24 Jun 2021 08:32:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 52E79613FA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=canonical.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=QNGje6oLKmhbLKR+NUHw5grXNSgu3K4yyC48J1Q8sgY=; b=bU76HR5iQAyG0huqP8u0izsfU9 mX6FMDKztaaUIBHgGiHbbUlDN+xNJ0XpQLIo1hcE1FPzFuOpZU/wFUBydS3cODq+pzm/NjR7WJhAY Eaj2bhgFaADZMg2rcu6YgBb+g+6gbpA2qoNCE4SjYjnycg0fn9NcJPVhuhoD/EnYB6x7pcPyeNr5h oTeNYtg6JUsfOJm1jdt3DCRMMlRv6hsNsYAVDao809+ZQvx/M34vshuiLw5nGpVc3hasijdd9c1rv g5LMkKBAcSD3S0sqXifYG4f9reliIOAN5nls1GXTK/uYAaDuFQ7g0clEme6wihdiTLj63vhe08Jud lgiFvQCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwKlM-00DQjq-Ds; Thu, 24 Jun 2021 08:31:04 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwKlH-00DQhP-By for linux-arm-kernel@lists.infradead.org; Thu, 24 Jun 2021 08:31:02 +0000 Received: from mail-ej1-f71.google.com ([209.85.218.71]) by youngberry.canonical.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lwKlD-0005Ip-Ho for linux-arm-kernel@lists.infradead.org; Thu, 24 Jun 2021 08:30:55 +0000 Received: by mail-ej1-f71.google.com with SMTP id nd10-20020a170907628ab02903a324b229bfso1734177ejc.7 for ; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=FWf1/8cps0f2orI5AbiDd3FTEBu65FvivubU0HnKemc=; b=BcXcgnGFEGsZfMq7maEEkesAnQGbqx2XCaKmLmjBOmC3iMVKkzAz7Fg0fF2h4twxrm GeFeonJV4J355Lfy60ljP5xC6Zic0iv2SKM4d0LGkWssRpNrFgVKO3ndVsQAKm3+ZISU 0OlIjgUkCphdN2HBHeqxr8HahJSCb27y8Gj4d4wY18I/zPZlSzd28l5zVOm201w9NAkt PzuHWyNV7BRDWHCYgRiXi44aPyoMSMFF7ZJoQRlDx4DRioCw9ouJV+fZkqHkLanZcTLf DttOdF7OkDLpJY9tcTKZMetywFCv9PNmrQdjHNkixPqblLdQI7nlNwNAaz5qo4tQwD9/ g/ew== X-Gm-Message-State: AOAM532ls1omc4r+YXKwfbdhP4tfC8MJIRwgvXWdK6fnptMuR2irud0O 9DFiVGDBFYOzve7qReFn8ogVvvuGTUcvPIiEbCXE37lCAk7mQnNJYjBNlo62O6TYXqQ+c6/ps8M /5Hxo3GTkvrdQwqLD7U9ir0N+xew6G6AJ+OnmQezIhJK1JBfcHy3e X-Received: by 2002:a17:906:dbd5:: with SMTP id yc21mr4064968ejb.233.1624523455208; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyE9NG70Q0R7WlldJgiju8y4R6tNhr+XdnWHXcuF262S4ipiZ1rkQiFP2aNPfY2SEkDu6zFjg== X-Received: by 2002:a17:906:dbd5:: with SMTP id yc21mr4064931ejb.233.1624523455018; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) Received: from [192.168.1.115] (xdsl-188-155-177-222.adslplus.ch. [188.155.177.222]) by smtp.gmail.com with ESMTPSA id a3sm1417424edu.61.2021.06.24.01.30.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Jun 2021 01:30:54 -0700 (PDT) Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Fabio Estevam , Laurent Pinchart , Michael Tretter Cc: Jagan Teki , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , linux-amarula , Tomasz Figa , linux-kernel , Robert Foss , Andrzej Hajda , DRI mailing list , Milco Pratesi , Anthony Brandon , linux-phy@lists.infradead.org, Fancy Fang , Shawn Guo , Sascha Hauer , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , NXP Linux Team References: <20210621072424.111733-1-jagan@amarulasolutions.com> <20210621072424.111733-3-jagan@amarulasolutions.com> From: Krzysztof Kozlowski Message-ID: <2decfea3-3659-2a3b-7706-326c97f57f8e@canonical.com> Date: Thu, 24 Jun 2021 10:30:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210624_013059_456577_D3D248AC X-CRM114-Status: GOOD ( 13.62 ) 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 24/06/2021 04:48, Fabio Estevam wrote: > Hi Jagan/Laurent, > > On Wed, Jun 23, 2021 at 7:23 PM Laurent Pinchart > wrote: > >> Looking at the register set, it seems to match the Exynos 5433, >> supported by drivers/gpu/drm/exynos/exynos_drm_dsi.c. Can we leverage >> that driver instead of adding a new one for the same IP core ? > > Yes. there was an attempt from Michael in this direction: > https://patchwork.kernel.org/project/dri-devel/cover/20200911135413.3654800-1-m.tretter@pengutronix.de/ That's the proper direction (maybe as Marek suggested - sharing common code like for Analogix DP), not duplicating a driver. 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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 5BA06C49EA6 for ; Thu, 24 Jun 2021 08:30:59 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1BA8460725 for ; Thu, 24 Jun 2021 08:30:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BA8460725 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=canonical.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9B8A66EABF; Thu, 24 Jun 2021 08:30:58 +0000 (UTC) Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by gabe.freedesktop.org (Postfix) with ESMTPS id 23DC66EABF for ; Thu, 24 Jun 2021 08:30:57 +0000 (UTC) Received: from mail-ej1-f71.google.com ([209.85.218.71]) by youngberry.canonical.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lwKlD-0005Il-Gk for dri-devel@lists.freedesktop.org; Thu, 24 Jun 2021 08:30:55 +0000 Received: by mail-ej1-f71.google.com with SMTP id u4-20020a1709061244b02904648b302151so1713662eja.17 for ; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=FWf1/8cps0f2orI5AbiDd3FTEBu65FvivubU0HnKemc=; b=fTUzwOQkfk6bC0mIhYrAORzHJ5zghUNq86P8zAl6vBQsdYZC/qYhX/Z/aJmHcu/ymo ES5cm7Fg2zxqwj4lpDiVS+gCVc3OzV9jDvi7HbviZOXDNmR0VrQ4EDAv3iBKAtgm5laH xz++zFXWPsmCr8CGZXCxeMv80LqIJyawahhheWk9OsraDU9ki7IMl+yFjNYWpzuwdpjt N43KTwVcw8NVOfkJCChNAuuZlNUbXl3B8SegbSYMzNaS/N1ox7nw4z1/6ae8b5PhgAZE mndFDiIxbgwsPHjMGvSukktqM/03rc1sEMF9kvsgD95/hqHSfddke5FGESCptAEzvM8+ UdeQ== X-Gm-Message-State: AOAM533xSayGGCNHtalKeqCIHkdGYszCUbOiOsgC444rfHGDuFOBMmZ4 KOiGpMmDypssy6VJvKSaQRukpHnUeDYn4uGVywAtd8mLth0iGBMuRxVOgpGGdjYOPNAkNJWCJSW WW74pRQRBR4syZlAgsyfl54sTui8RiOaVZNS110fwWsVSYQ== X-Received: by 2002:a17:906:dbd5:: with SMTP id yc21mr4064962ejb.233.1624523455180; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyE9NG70Q0R7WlldJgiju8y4R6tNhr+XdnWHXcuF262S4ipiZ1rkQiFP2aNPfY2SEkDu6zFjg== X-Received: by 2002:a17:906:dbd5:: with SMTP id yc21mr4064931ejb.233.1624523455018; Thu, 24 Jun 2021 01:30:55 -0700 (PDT) Received: from [192.168.1.115] (xdsl-188-155-177-222.adslplus.ch. [188.155.177.222]) by smtp.gmail.com with ESMTPSA id a3sm1417424edu.61.2021.06.24.01.30.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Jun 2021 01:30:54 -0700 (PDT) Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Fabio Estevam , Laurent Pinchart , Michael Tretter References: <20210621072424.111733-1-jagan@amarulasolutions.com> <20210621072424.111733-3-jagan@amarulasolutions.com> From: Krzysztof Kozlowski Message-ID: <2decfea3-3659-2a3b-7706-326c97f57f8e@canonical.com> Date: Thu, 24 Jun 2021 10:30:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US 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: DRI mailing list , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , Shawn Guo , Tomasz Figa , linux-kernel , Robert Foss , Andrzej Hajda , Jagan Teki , Milco Pratesi , Anthony Brandon , linux-phy@lists.infradead.org, Fancy Fang , linux-amarula , Sascha Hauer , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , NXP Linux Team Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 24/06/2021 04:48, Fabio Estevam wrote: > Hi Jagan/Laurent, > > On Wed, Jun 23, 2021 at 7:23 PM Laurent Pinchart > wrote: > >> Looking at the register set, it seems to match the Exynos 5433, >> supported by drivers/gpu/drm/exynos/exynos_drm_dsi.c. Can we leverage >> that driver instead of adding a new one for the same IP core ? > > Yes. there was an attempt from Michael in this direction: > https://patchwork.kernel.org/project/dri-devel/cover/20200911135413.3654800-1-m.tretter@pengutronix.de/ That's the proper direction (maybe as Marek suggested - sharing common code like for Analogix DP), not duplicating a driver. 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[188.155.177.222]) by smtp.gmail.com with ESMTPSA id a3sm1417424edu.61.2021.06.24.01.30.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Jun 2021 01:30:54 -0700 (PDT) Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Fabio Estevam , Laurent Pinchart , Michael Tretter Cc: Jagan Teki , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , linux-amarula , Tomasz Figa , linux-kernel , Robert Foss , Andrzej Hajda , DRI mailing list , Milco Pratesi , Anthony Brandon , linux-phy@lists.infradead.org, Fancy Fang , Shawn Guo , Sascha Hauer , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , NXP Linux Team References: <20210621072424.111733-1-jagan@amarulasolutions.com> <20210621072424.111733-3-jagan@amarulasolutions.com> From: Krzysztof Kozlowski Message-ID: <2decfea3-3659-2a3b-7706-326c97f57f8e@canonical.com> Date: Thu, 24 Jun 2021 10:30:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210624_013059_444390_AE888F8D X-CRM114-Status: GOOD ( 12.25 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 24/06/2021 04:48, Fabio Estevam wrote: > Hi Jagan/Laurent, > > On Wed, Jun 23, 2021 at 7:23 PM Laurent Pinchart > wrote: > >> Looking at the register set, it seems to match the Exynos 5433, >> supported by drivers/gpu/drm/exynos/exynos_drm_dsi.c. Can we leverage >> that driver instead of adding a new one for the same IP core ? > > Yes. there was an attempt from Michael in this direction: > https://patchwork.kernel.org/project/dri-devel/cover/20200911135413.3654800-1-m.tretter@pengutronix.de/ That's the proper direction (maybe as Marek suggested - sharing common code like for Analogix DP), not duplicating a driver. Best regards, Krzysztof -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy