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 D1236C433EF for ; Fri, 1 Jul 2022 08:09:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236035AbiGAIJ0 (ORCPT ); Fri, 1 Jul 2022 04:09:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233874AbiGAIJY (ORCPT ); Fri, 1 Jul 2022 04:09:24 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C43C6EEB4; Fri, 1 Jul 2022 01:09:22 -0700 (PDT) Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 771496601974; Fri, 1 Jul 2022 09:09:19 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1656662960; bh=OnFylUH2bK/KrG2ZmFByKOKEh30FKZwSBlJiuozSLKQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=n1By2XTMBpyLE712pO39G21v6KPnYPSxK8Ci78ltdQBTlMSGIB8++E15d6TIyv7La L+5Wb90IqNQkZc2Vw1U5DnqpRkAuT6j7Y9kqE+iK5z13Jw3bcR4w3sAPOUCJcqu/o7 MbwJUaUuI2P7eU/cvIR69YAJ7nG8ONHu56NrjOn1YTZZz4GjINxeUOB2bUYHx8VvEo dsGNmC+phe7Z+muDvuwcUD9ISfg6Uuvgv0bjSfnAM3ICZfdqZIYymEae/b7Yychlta 6MCPz7DB0XfSwzGAUj7YTFRBHpGRmOO7c1fUTpZzOv8M19USxn3YJnbwUUIRIoet2h +xv1bry65eB/A== Message-ID: <145d79cf-5328-7c99-3d49-d5e9eab3891c@collabora.com> Date: Fri, 1 Jul 2022 10:09:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v13 05/10] drm/mediatek: Add MT8195 Embedded DisplayPort driver Content-Language: en-US To: Bo-Chen Chen , chunkuang.hu@kernel.org, p.zabel@pengutronix.de, daniel@ffwll.ch, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mripard@kernel.org, tzimmermann@suse.de, matthias.bgg@gmail.com, deller@gmx.de, airlied@linux.ie Cc: msp@baylibre.com, granquet@baylibre.com, jitao.shi@mediatek.com, wenst@chromium.org, ck.hu@mediatek.com, liangxu.xu@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, linux-fbdev@vger.kernel.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220701062808.18596-1-rex-bc.chen@mediatek.com> <20220701062808.18596-6-rex-bc.chen@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: <20220701062808.18596-6-rex-bc.chen@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 01/07/22 08:28, Bo-Chen Chen ha scritto: > From: Markus Schneider-Pargmann > > This patch adds a embedded displayport driver for the MediaTek mt8195 SoC. > > It supports the MT8195, the embedded DisplayPort units. It offers > DisplayPort 1.4 with up to 4 lanes. > > The driver creates a child device for the phy. The child device will > never exist without the parent being active. As they are sharing a > register range, the parent passes a regmap pointer to the child so that > both can work with the same register range. The phy driver sets device > data that is read by the parent to get the phy device that can be used > to control the phy properties. > > This driver is based on an initial version by > Jitao shi > > Signed-off-by: Markus Schneider-Pargmann > Signed-off-by: Guillaume Ranquet > Signed-off-by: Bo-Chen Chen Reviewed-by: AngeloGioacchino Del Regno