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[91.78.208.152]) by smtp.googlemail.com with ESMTPSA id p2sm7679321lji.40.2020.04.25.22.04.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 25 Apr 2020 22:04:33 -0700 (PDT) Subject: Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver To: Sowjanya Komatineni , Hans Verkuil , thierry.reding@gmail.com, jonathanh@nvidia.com, frankc@nvidia.com, sakari.ailus@iki.fi, helen.koike@collabora.com Cc: sboyd@kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <1587700513-28449-1-git-send-email-skomatineni@nvidia.com> <1587700513-28449-7-git-send-email-skomatineni@nvidia.com> <6ca93ff9-ca59-544f-767c-4355d01a5c20@gmail.com> <62546d1f-eca5-06be-2bc2-e45ccd53830a@xs4all.nl> <50fd1016-ca8b-ec5d-e5a8-f257138b152e@gmail.com> <658c4232-94d9-3051-8c93-bff7046cf5f2@nvidia.com> <03426915-25ea-69b4-bc64-f87f3046d33f@nvidia.com> <09f20441-fec6-7496-2edc-c69db535e441@nvidia.com> <61799fab-858c-8b0d-ba7d-846cd041e044@gmail.com> <7dfca778-e402-3a6f-617c-dd8448187a13@gmail.com> From: Dmitry Osipenko Message-ID: <5410cdf5-6379-36f5-21c1-028097e9e9d7@gmail.com> Date: Sun, 26 Apr 2020 08:04:32 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 26.04.2020 07:47, Sowjanya Komatineni пишет: ... >> Although, you're right that tegra_drm is compiled as a single module. >> That's not good, I'm actually not sure now whether it is possible to >> modularize host1x drivers properly without changing the whole host1x bus. > > We already went thru driver structure changes during earlier versions > and internal feedbacks. > > Not sure of restructuring again now. Also reg wastage of space, tegra > specific implementation is not huge also for T186 and later we have > RTCPU firmware that driver communicates with and it light weight. Based > on internal discussion, no upstream support for prior Tegra210. NVIDIA doesn't support older SoCs in downstream, but this doesn't apply to the upstream where anyone could write a driver. > So, probably what we have regarding structure is ok except video formats > I will move to Tegra210 and change defines to use Tegra210 prefix. Seems so.