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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 057E2C04A68 for ; Wed, 27 Jul 2022 09:37:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 62FD2C394F; Wed, 27 Jul 2022 09:37:07 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by gabe.freedesktop.org (Postfix) with ESMTPS id BE24318A440 for ; Wed, 27 Jul 2022 09:37:04 +0000 (UTC) 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)) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 969426601B24; Wed, 27 Jul 2022 10:37:02 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1658914623; bh=aNeE4NIwYGWJ7gmVikW1+br2hiX94QgkF1KjhpADzTA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=NIkq8FAmVhT+As5rqjhYmdrF1jOw3KVT1eGdp/io0BOt0GGmB3eoIcp/QsU21cu59 IAQoqrELvegPiAt1mXWDdp5Nh19eap8kOg0a9MzI5OZrjtMuBbANW4fc95LQwjOsoD 0lnESPF9T0KAu5c1uvyuxRxAMqehdZaLcXSWt4BwHkAG06/L07FIXTYKMoL+gU+guV GmM1f8/iag7fItPd2syuUSI6/cBpwi/ld07U5ZRdOaHvQKBxSPNbRk7JEcESn9MN5n R4Kq8GLtlPeSx1TgFt7a0ZeUZZh3s0zf3x1FVJmM7uGqBDYul3VeAGgD3N0zpGMYvD H+HY8PX6XBN0g== Message-ID: <99295c28-af23-2bf4-b2b5-ed39209a1897@collabora.com> Date: Wed, 27 Jul 2022 11:36:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v15 05/11] 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 References: <20220727045035.32225-1-rex-bc.chen@mediatek.com> <20220727045035.32225-6-rex-bc.chen@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: <20220727045035.32225-6-rex-bc.chen@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed 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: devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, granquet@baylibre.com, jitao.shi@mediatek.com, liangxu.xu@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, msp@baylibre.com, Project_Global_Chrome_Upstream_Group@mediatek.com, linux-mediatek@lists.infradead.org, wenst@chromium.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Il 27/07/22 06:50, 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 Tested-by: AngeloGioacchino Del Regno Reviewed-by: AngeloGioacchino Del Regno