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=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 1A0FCC49EA5 for ; Thu, 24 Jun 2021 02:48:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3F6E613CB for ; Thu, 24 Jun 2021 02:48:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229955AbhFXCvF (ORCPT ); Wed, 23 Jun 2021 22:51:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55548 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229759AbhFXCvE (ORCPT ); Wed, 23 Jun 2021 22:51:04 -0400 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE980C061574; Wed, 23 Jun 2021 19:48:44 -0700 (PDT) Received: by mail-lf1-x12d.google.com with SMTP id i13so7603913lfc.7; Wed, 23 Jun 2021 19:48:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5gXOkfW5QLdmxd3Wj2w+c9EViV9eI5MsnrUKf2z8FYs=; b=RUUtNGr5bfoevPXn+E3jhYX17ZhytUijcdcizuV5g4jQ4csAcRk/aeza4+qR2lvWm2 nApl7i4P87KW/V3VmdWmT5rnNucE6KyVawrkZY/mYM6BrTB22om8kojGB0aoqBrGivyD ablP9MZHGlP/9wsmaXfsHq6WuEEMnrJMmmoJHij/4TS+w5DTgKyVWjOVbirOyDH7zKC4 CW0N7U316rWwH6l4ydjxnV6Tes4O/Wgx6zcPcGySg2HNEfV5tFcYL5ymVYDAjIkY8+fZ mPEekWg9dqIadP4zouGwK4hPDmzZAQ0OO5uNK8m4HyR0np44kKJi6eE+jR92wFXrpABb UElA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5gXOkfW5QLdmxd3Wj2w+c9EViV9eI5MsnrUKf2z8FYs=; b=pF5vNfpcLJUFdxZ7B3rgWzN4gd0+aIoag2Vw6VWW6YF8vm6nElAJdpZoGDZtn/kdfD A1RufWed6f5sOsdgX99Lj7/VZYpu9k1AegCxhEmQls5H8nKnhcFyLzhNtPfDr4qFZnbH G9nn1GCVSoDVH8XwZdO6QDSnwsH1Kt/0GzOmgheKwdiBLIXxa4DVxtCn/dCN6sQNzH1Q m8XWUCt8xb9xaCx2zVpPA3UYihuJJd0u8PkuXGYTk4ONd31xOenSSW6Ga560rofxvJd8 /0yV/UYrnuFsGu+6wp46FkYzU9A5gEonShGtiSiE/zOIxDxoJc6d4TDGfc4XN4sMqgVZ SPhA== X-Gm-Message-State: AOAM533CwNYpBOaTtjRWHk6EGcpME/V1ymlf6VvefPyfTHIKmICFtZU+ 6sjmbgecLm6Ol5wcFas/sqp3yqjL2J3CZ3vyWoVFs0x+Iad5Zw== X-Google-Smtp-Source: ABdhPJx3C4pME09Z+lCozESHkQ/9SDrguEu+2in3VcwEc05cxMVQ7T7rVyGEQn/CiFUVy/CuhM/rCWbxw+m+VilD2fQ= X-Received: by 2002:a05:6512:3b24:: with SMTP id f36mr1930656lfv.443.1624502923336; Wed, 23 Jun 2021 19:48:43 -0700 (PDT) MIME-Version: 1.0 References: <20210621072424.111733-1-jagan@amarulasolutions.com> <20210621072424.111733-3-jagan@amarulasolutions.com> In-Reply-To: From: Fabio Estevam Date: Wed, 23 Jun 2021 23:48:32 -0300 Message-ID: Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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/ Cheers 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=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 C71AFC48BC2 for ; Thu, 24 Jun 2021 02:50:17 +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 8D55960FF4 for ; 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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 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/ Cheers _______________________________________________ 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=-0.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 9B351C48BC2 for ; Thu, 24 Jun 2021 02:48:46 +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 61CBB613CB for ; Thu, 24 Jun 2021 02:48:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 61CBB613CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 A2A4E6E9C6; Thu, 24 Jun 2021 02:48:45 +0000 (UTC) Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by gabe.freedesktop.org (Postfix) with ESMTPS id ED2436E9C6 for ; Thu, 24 Jun 2021 02:48:44 +0000 (UTC) Received: by mail-lf1-x12b.google.com with SMTP id i1so7612915lfe.6 for ; Wed, 23 Jun 2021 19:48:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5gXOkfW5QLdmxd3Wj2w+c9EViV9eI5MsnrUKf2z8FYs=; b=RUUtNGr5bfoevPXn+E3jhYX17ZhytUijcdcizuV5g4jQ4csAcRk/aeza4+qR2lvWm2 nApl7i4P87KW/V3VmdWmT5rnNucE6KyVawrkZY/mYM6BrTB22om8kojGB0aoqBrGivyD ablP9MZHGlP/9wsmaXfsHq6WuEEMnrJMmmoJHij/4TS+w5DTgKyVWjOVbirOyDH7zKC4 CW0N7U316rWwH6l4ydjxnV6Tes4O/Wgx6zcPcGySg2HNEfV5tFcYL5ymVYDAjIkY8+fZ mPEekWg9dqIadP4zouGwK4hPDmzZAQ0OO5uNK8m4HyR0np44kKJi6eE+jR92wFXrpABb UElA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5gXOkfW5QLdmxd3Wj2w+c9EViV9eI5MsnrUKf2z8FYs=; b=MAUVc1uc2tJwpO/3O+43eIxEo1X1/J00zT/k4bEY6KuRv4EhFaSec6UFQUezKCsB3g 3ildgWgfKc3RPVqbsW15X+Jte7LsyDLoBub4dojtoPiNShGqv6RqiyF52tI3/0dElANK LVQfjY6STU0IbgbWJLgI1/3uZJb7uerxStoWh2ecS7cMsXeWTzLGOQXhmuwiD9O6hRB9 zTnKzdKU0EUVRwDQDOpMPfrEE8fJ4kQvHny3wpMuoDVYux7upshkB8Fx/92QBsySJFOW BnZn3oH75TbLZk2NqUe5kJP4h5h34sf+Kt5cEvyuVsteNZd7zQ+xvvMwgdPf0sc50MID gnOA== X-Gm-Message-State: AOAM533wra+JGiG1zd+BFEQkydopx6bO/DRvWTFu9n061ikge9v+jAKJ YmtckXsnKCmyjXDYzYn+sNbJ7COtMnAsJ5K3lLg= X-Google-Smtp-Source: ABdhPJx3C4pME09Z+lCozESHkQ/9SDrguEu+2in3VcwEc05cxMVQ7T7rVyGEQn/CiFUVy/CuhM/rCWbxw+m+VilD2fQ= X-Received: by 2002:a05:6512:3b24:: with SMTP id f36mr1930656lfv.443.1624502923336; Wed, 23 Jun 2021 19:48:43 -0700 (PDT) MIME-Version: 1.0 References: <20210621072424.111733-1-jagan@amarulasolutions.com> <20210621072424.111733-3-jagan@amarulasolutions.com> In-Reply-To: From: Fabio Estevam Date: Wed, 23 Jun 2021 23:48:32 -0300 Message-ID: Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Laurent Pinchart , Michael Tretter Content-Type: text/plain; charset="UTF-8" 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" 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/ Cheers 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=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 BD53EC49EA7 for ; Thu, 24 Jun 2021 02:48:48 +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 843F9613CF for ; 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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 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/ Cheers -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy