linux-kernel - Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver

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Message-ID: <5410cdf5-6379-36f5-21c1-028097e9e9d7@gmail.com>
Date:   Sun, 26 Apr 2020 08:04:32 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        Hans Verkuil <hverkuil@...all.nl>, thierry.reding@...il.com,
        jonathanh@...dia.com, frankc@...dia.com, sakari.ailus@....fi,
        helen.koike@...labora.com
Cc:     sboyd@...nel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver

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.