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[23.128.96.18]) by mx.google.com with ESMTP id b11si2257510jat.120.2021.06.23.19.50.20; Wed, 23 Jun 2021 19:50:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=RUUtNGr5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229949AbhFXCvE (ORCPT + 99 others); Wed, 23 Jun 2021 22:51:04 -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-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