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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,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 9773DC49EAB for ; Fri, 25 Jun 2021 09:21:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E7DE61421 for ; Fri, 25 Jun 2021 09:21:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231189AbhFYJX7 (ORCPT ); Fri, 25 Jun 2021 05:23:59 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:37592 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230234AbhFYJX6 (ORCPT ); Fri, 25 Jun 2021 05:23:58 -0400 Received: from mail-ed1-f69.google.com ([209.85.208.69]) by youngberry.canonical.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lwi1o-0002ez-LA for linux-kernel@vger.kernel.org; Fri, 25 Jun 2021 09:21:36 +0000 Received: by mail-ed1-f69.google.com with SMTP id r6-20020a05640216c6b0290394ed90b605so4739476edx.20 for ; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=QsPyFBqPfdmelbWnXguclm9JevGGaBII5W3HvpNQ+C8=; b=iystfuagfTYYUaX5LeL6qVtwZR9OfZQi8vmKofg83MbGx9SESpF8yuIrniieLiuHnU JM3nTJ8qLlNnekYDldcJ57eiiOo/PsVhKfTM67lwovyL/K6NaIpGLqxdv3PRCrrzq9ad ABp2O/eQUwfPKRTKeWkS9agII/fyxSWxV6YnV0cFs1EVTMe6xCfZyaqn5CFfqjZAGRtx Lnzow1oXj1WcyP33a9a7ts9lyHWBiTuv/TwUWEATylyZi4JuQiXHroHk4jiB8cP1Kzz4 yoPNuv2KRvp3ngmLdBMq9n/rkvIKDSYJYj6ZHHK3Wl9yh7pktxtJDKW4Xewku9UeXqrL u7Nw== X-Gm-Message-State: AOAM5335eI5/gfVRheJZwEEtVjw3qG5GeY07LM4e8p34f2QkqNnReM48 TDjtf0JdZ2vJFNQR+jz6IXWzfdhxmYMqb5KD9akaKWfbaewI9Y/qtUweDOFPRiGrB/gKjJRlggA uQzvNvFZvB8Aje4vEmOJbXQtQzckzRGd5BpEGwPFByA== X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772186edr.311.1624612896127; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw+TM38F4Yr0eNdERAI2zb41U3+ytlASbW0YpW0+yf9XGf8E0tFDX/OQzorcP9sXyGgE3SWQg== X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772163edr.311.1624612895982; Fri, 25 Jun 2021 02:21:35 -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 hz14sm2415400ejc.107.2021.06.25.02.21.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Jun 2021 02:21:35 -0700 (PDT) From: Krzysztof Kozlowski Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Laurent Pinchart Cc: Jagan Teki , Fabio Estevam , Michael Tretter , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , linux-amarula , 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> Message-ID: Date: Fri, 25 Jun 2021 11:21:34 +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 Thu, 24 Jun 2021 at 14:19, Laurent Pinchart wrote: > > Hi Jagan, > > On Thu, Jun 24, 2021 at 05:42:43PM +0530, Jagan Teki wrote: > > On Thu, Jun 24, 2021 at 8:18 AM Fabio Estevam wrote: > > > 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/ > > > > Thanks for the reference, I will check it out and see I can send any > > updated versions wrt my i.MX8MM platform. > > Thanks. > > I had a brief look at the exynos driver, and I think it should be turned > into a DRM bridge as part of this rework to be used with the i.MX8MM. > > Is there someone from Samsung who could assist, at least to test the > changes ? Yes, I mentioned few guys in reply to PHY. Around the DRM drivers you can get in touch with: Inki Dae Seung-Woo Kim Marek Szyprowski Andrzej Hajda The easiest testing of the display stack would be on Hardkernel's Odroid XU4 (https://www.hardkernel.com/shop/odroid-xu4-special-price/) however you will not test the DSI/DSIM directly (it has only HDMI port). Best regards, Krzysztof 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,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 D89D1C49EA7 for ; Fri, 25 Jun 2021 10:17:20 +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 AA16861438 for ; Fri, 25 Jun 2021 10:17:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA16861438 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:References:Cc:To:Subject:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=8HjI+/Yacn20fhzk4ItgPqGPfG722evOyQELxcCu/FQ=; b=Fa/m6f7kbMM4zH9jpoGzEiTd+q Rs1mjbZlpZTZjTEkyXhahOPD7igKGc81i0d2WhTPqpEAvlSVzP9NuDC/EsLUrb/Z2mJChfxNXM9GF 2A1K3DecWGQ2iQHrWgMhKDY1K9WKCs1xWxNKQgoY2iaYSkd6If4ohp+G4JR9DUTK2IUtE9KpCYaY5 KYnaU+tnAG70l7rgSNT35OvybHJu+cn5b8UkUxOZndQ14ap4f2ttCFugPSZYurEcILmVOebT36My0 a9nbdG8MwJlh5rN1IO4pSwAdFRBqT+zmBK/hQ18Tng71NlJqL5wA6g79dfJ7ZqlC9hwowE8BrBjw3 iWc9A2hQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwirW-000tJ7-Dy; Fri, 25 Jun 2021 10:15:03 +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 1lwi1s-000d55-SP for linux-arm-kernel@lists.infradead.org; Fri, 25 Jun 2021 09:21:43 +0000 Received: from mail-ej1-f72.google.com ([209.85.218.72]) by youngberry.canonical.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lwi1o-0002eq-HE for linux-arm-kernel@lists.infradead.org; Fri, 25 Jun 2021 09:21:36 +0000 Received: by mail-ej1-f72.google.com with SMTP id nd10-20020a170907628ab02903a324b229bfso2908328ejc.7 for ; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=QsPyFBqPfdmelbWnXguclm9JevGGaBII5W3HvpNQ+C8=; b=j7BHmAHYW0ixSRG5yphxhOG4eJ5nmclyvnidyF2cdFx6mcJiZYGUOTkgwVNt8gQONr /+/n1tmCvn3cavwrfhE6zLLHpssZ6LZl5uvtOohovpsWubvyC6GeX4TEKWuUap7oWHW9 GLL3aBZT6a/Wft7IZTk8Gfu+8jOu8/PzPh3hDHOltcvVT2smUgPt4ED5oPH64eAxCukL o/t5gmy7VpsaTVcyvOJSbgMZn2ynCpU1Juf6AVOeih5ddx1kehflXL/Zbq4NP2mOiqyH 3/61IyHAmY9ZxCMZ5irM5YCX0L3KDNxH09RobKLq4RlkWgv6S6Q6XL73YidKI7nFFOZB Yqqw== X-Gm-Message-State: AOAM533oLAts5Dzq8V6HxXmlgOUNN8TdfEpQrP5prnJ5DPs9zpJPkeKC qtXG731RXJbK2TvsNVwB18FKO0rvhhTRkeYkJeGedPmkNf2pvdN8D8w2OElG4ilBFQh0493gAaK tjpEIjqfQlKZzmHXgIM3TapHQiyX7OyCjXQduC6zRSGLlkb7y2Bjq X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772190edr.311.1624612896127; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw+TM38F4Yr0eNdERAI2zb41U3+ytlASbW0YpW0+yf9XGf8E0tFDX/OQzorcP9sXyGgE3SWQg== X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772163edr.311.1624612895982; Fri, 25 Jun 2021 02:21:35 -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 hz14sm2415400ejc.107.2021.06.25.02.21.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Jun 2021 02:21:35 -0700 (PDT) From: Krzysztof Kozlowski Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Laurent Pinchart Cc: Jagan Teki , Fabio Estevam , Michael Tretter , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , linux-amarula , 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> Message-ID: Date: Fri, 25 Jun 2021 11:21:34 +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-20210625_022140_983192_0FC2ABAB X-CRM114-Status: GOOD ( 23.97 ) 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 Thu, 24 Jun 2021 at 14:19, Laurent Pinchart wrote: > > Hi Jagan, > > On Thu, Jun 24, 2021 at 05:42:43PM +0530, Jagan Teki wrote: > > On Thu, Jun 24, 2021 at 8:18 AM Fabio Estevam wrote: > > > 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/ > > > > Thanks for the reference, I will check it out and see I can send any > > updated versions wrt my i.MX8MM platform. > > Thanks. > > I had a brief look at the exynos driver, and I think it should be turned > into a DRM bridge as part of this rework to be used with the i.MX8MM. > > Is there someone from Samsung who could assist, at least to test the > changes ? Yes, I mentioned few guys in reply to PHY. Around the DRM drivers you can get in touch with: Inki Dae Seung-Woo Kim Marek Szyprowski Andrzej Hajda The easiest testing of the display stack would be on Hardkernel's Odroid XU4 (https://www.hardkernel.com/shop/odroid-xu4-special-price/) however you will not test the DSI/DSIM directly (it has only HDMI port). Best regards, Krzysztof 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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,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 09FF4C49EA7 for ; Fri, 25 Jun 2021 09:21:40 +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 BB6896141C for ; Fri, 25 Jun 2021 09:21:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BB6896141C 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 549F36E0E4; Fri, 25 Jun 2021 09:21:39 +0000 (UTC) Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9038F6E0E4 for ; Fri, 25 Jun 2021 09:21:38 +0000 (UTC) Received: from mail-ed1-f72.google.com ([209.85.208.72]) by youngberry.canonical.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lwi1o-0002eo-Gj for dri-devel@lists.freedesktop.org; Fri, 25 Jun 2021 09:21:36 +0000 Received: by mail-ed1-f72.google.com with SMTP id j15-20020a05640211cfb0290394f9de5750so4265259edw.16 for ; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=QsPyFBqPfdmelbWnXguclm9JevGGaBII5W3HvpNQ+C8=; b=nfiSUI89HgEZJrHR/j4JcbQUQp5WUeuxaN/i0ZrhkzL3YGzg9k3z7GC2xVLZEEXeGk W2HTH0ui67UYP0SiINttu0/DEJelEuhZlbR5OIo+W46lSvGfIcEwt3b0AFZ/Q9fkpCDz rgHz0yEafsigWpmx4TNJtSD3qQFCBmTLpY0ksP6MluCUuSG+E97o5fyo2mjRpIlvVRdO u0xtihAzyigQ9TWTj5BDyLpSwxxoMtiSKZU77bY6xH+ZqZ86lXHGl3cYHoARb/9YMBU5 haHSLBczWWUa1zfLFPhd408seEo5eZ6iq80zRuFRKU5mP1FaoKu4QPfIBMErGeTWms0Q nJhA== X-Gm-Message-State: AOAM533nfJMafEo5B0E3mnNqSHyxXAxZoXkquYSw9LDQ2RXpyxuvIn8J ATz49A0y2JTcScOQh1gtFcGAhkQx3w98pu5k5b0iUf3MJKY8lYM75Hz7n6SfMidJXG6ilFV21bd 1tXXwHmmXNQfd4bXgP7gH17qI9K6erQWwI9niVnHEiht0uQ== X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772183edr.311.1624612896127; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw+TM38F4Yr0eNdERAI2zb41U3+ytlASbW0YpW0+yf9XGf8E0tFDX/OQzorcP9sXyGgE3SWQg== X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772163edr.311.1624612895982; Fri, 25 Jun 2021 02:21:35 -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 hz14sm2415400ejc.107.2021.06.25.02.21.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Jun 2021 02:21:35 -0700 (PDT) From: Krzysztof Kozlowski Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Laurent Pinchart References: <20210621072424.111733-1-jagan@amarulasolutions.com> <20210621072424.111733-3-jagan@amarulasolutions.com> Message-ID: Date: Fri, 25 Jun 2021 11:21:34 +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: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , linux-amarula , DRI mailing list , Michael Tretter , Robert Foss , linux-kernel , Andrzej Hajda , Jagan Teki , Milco Pratesi , Anthony Brandon , linux-phy@lists.infradead.org, Shawn Guo , Fancy Fang , 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 Thu, 24 Jun 2021 at 14:19, Laurent Pinchart wrote: > > Hi Jagan, > > On Thu, Jun 24, 2021 at 05:42:43PM +0530, Jagan Teki wrote: > > On Thu, Jun 24, 2021 at 8:18 AM Fabio Estevam wrote: > > > 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/ > > > > Thanks for the reference, I will check it out and see I can send any > > updated versions wrt my i.MX8MM platform. > > Thanks. > > I had a brief look at the exynos driver, and I think it should be turned > into a DRM bridge as part of this rework to be used with the i.MX8MM. > > Is there someone from Samsung who could assist, at least to test the > changes ? Yes, I mentioned few guys in reply to PHY. Around the DRM drivers you can get in touch with: Inki Dae Seung-Woo Kim Marek Szyprowski Andrzej Hajda The easiest testing of the display stack would be on Hardkernel's Odroid XU4 (https://www.hardkernel.com/shop/odroid-xu4-special-price/) however you will not test the DSI/DSIM directly (it has only HDMI port). Best regards, Krzysztof 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,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 83C9BC2B9F4 for ; Fri, 25 Jun 2021 10:14:56 +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 31BA36143B for ; Fri, 25 Jun 2021 10:14:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31BA36143B 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-phy-bounces+linux-phy=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:References:Cc:To:Subject:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=nAfw1j9wDDB+ebPJYUkBTyqxUAlzn2DVjyJSSGZa96o=; b=FmAy8EM3v5ca51XctJQRjgVeQi VEb6ScR+2TF467beuFN4XznesEy2hlKcqHPJh93Hhn8vgrbvAULmVPof2W3wgxvRc03QNbo0Afquq q1A+T9wwLdQ2mZ2cPskPFL2PRJsw8LcWiMBSZ0PQ/BUPo8v/BmAfalJpj/VK3zfeSHh99MMTda5RA k2w+BhCYqRVG7Og3prz0fezI/0S/XLIWpTh1LDUkQEUq6IAnrX6cmrU2iAP3B5TzEnElSRGNNfwhJ a0DURugQSnvYjZmeJJslWprxVga1BQ5hNkRgYDgm3w7Bl5eK3ML7cFVgn7tTh1BwpcXr19iNOtmdo EyAGARxA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwirP-000tIy-8F; Fri, 25 Jun 2021 10:14:55 +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 1lwi1s-000d56-Qv for linux-phy@lists.infradead.org; Fri, 25 Jun 2021 09:21:42 +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 1lwi1o-0002en-GT for linux-phy@lists.infradead.org; Fri, 25 Jun 2021 09:21:36 +0000 Received: by mail-ej1-f71.google.com with SMTP id k1-20020a17090666c1b029041c273a883dso2905395ejp.3 for ; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=QsPyFBqPfdmelbWnXguclm9JevGGaBII5W3HvpNQ+C8=; b=V+zQ8jLZ2iGVuHC0ssdqTiuRBqIPYX4rwXbH4RdESKhiaRlco5xefLZryv7LBbKk3/ vCuA0TBp+1H1rBhfNgF3vy8r3AiB96PRLaHBbz4WANODOasn/U2K06ofmsL7erIC2yZC cwYtnTDNJ5Az16BwSE9LXj/FYEyMfhcqCfep3DtJbk+m8d64doazZQrk4n59lJnJBEDp NuUCSC+zYm9pIQu8SmEKYCdhknahsI8+32z72IdOe6yTNmTbHrEkm2x/4UZcXmOgi+Sa s1RFgfBMQ59rLbQ7LLnbKM2tKihAWz2olbYIIn4Vl6XXOAW0ZvhwhPNzJEQZDA5lj+t+ qITg== X-Gm-Message-State: AOAM532S5jKbXNHD7uFq7WNodWPhxKqpH245Pvu52NdzLhIMkuvfZySk vP5Y1PPxHgvzn6NX2rrL73tAl884LmDR96oncf7HW7KMTDXIaroZ9JmkqIepmNrpkxyUOI+GOPL tatHpCIHUbmVGKgt42KJuj9OtLtP7/b0y77y+8X9dx8U= X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772192edr.311.1624612896127; Fri, 25 Jun 2021 02:21:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw+TM38F4Yr0eNdERAI2zb41U3+ytlASbW0YpW0+yf9XGf8E0tFDX/OQzorcP9sXyGgE3SWQg== X-Received: by 2002:aa7:d34f:: with SMTP id m15mr12772163edr.311.1624612895982; Fri, 25 Jun 2021 02:21:35 -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 hz14sm2415400ejc.107.2021.06.25.02.21.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Jun 2021 02:21:35 -0700 (PDT) From: Krzysztof Kozlowski Subject: Re: [RFC PATCH 2/9] drm: bridge: Add Samsung SEC MIPI DSIM bridge driver To: Laurent Pinchart Cc: Jagan Teki , Fabio Estevam , Michael Tretter , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Peng Fan , Francis Laniel , Matteo Lisi , Neil Armstrong , linux-amarula , 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> Message-ID: Date: Fri, 25 Jun 2021 11:21:34 +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-20210625_022140_989499_C5C315FB X-CRM114-Status: GOOD ( 22.56 ) 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 Thu, 24 Jun 2021 at 14:19, Laurent Pinchart wrote: > > Hi Jagan, > > On Thu, Jun 24, 2021 at 05:42:43PM +0530, Jagan Teki wrote: > > On Thu, Jun 24, 2021 at 8:18 AM Fabio Estevam wrote: > > > 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/ > > > > Thanks for the reference, I will check it out and see I can send any > > updated versions wrt my i.MX8MM platform. > > Thanks. > > I had a brief look at the exynos driver, and I think it should be turned > into a DRM bridge as part of this rework to be used with the i.MX8MM. > > Is there someone from Samsung who could assist, at least to test the > changes ? Yes, I mentioned few guys in reply to PHY. Around the DRM drivers you can get in touch with: Inki Dae Seung-Woo Kim Marek Szyprowski Andrzej Hajda The easiest testing of the display stack would be on Hardkernel's Odroid XU4 (https://www.hardkernel.com/shop/odroid-xu4-special-price/) however you will not test the DSI/DSIM directly (it has only HDMI port). Best regards, Krzysztof Best regards, Krzysztof -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy