linux-kernel - Re: [PATCH v3 2/9] gpu: host1x: Add context bus

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Message-ID: <50838e8c-8121-d6fb-d693-031739829157@gmail.com>
Date:   Sat, 19 Feb 2022 21:15:41 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Mikko Perttunen <mperttunen@...dia.com>, thierry.reding@...il.com,
        jonathanh@...dia.com, joro@...tes.org, will@...nel.org,
        robh+dt@...nel.org, robin.murphy@....com
Cc:     linux-tegra@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 2/9] gpu: host1x: Add context bus

19.02.2022 20:54, Dmitry Osipenko пишет:
> 18.02.2022 14:39, Mikko Perttunen пишет:
>> +config TEGRA_HOST1X_CONTEXT_BUS
>> +	bool
>> +
>>  config TEGRA_HOST1X
>>  	tristate "NVIDIA Tegra host1x driver"
>>  	depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
>>  	select DMA_SHARED_BUFFER
>> +	select TEGRA_HOST1X_CONTEXT_BUS
> 
> What is the point of TEGRA_HOST1X_CONTEXT_BUS if it's selected
> unconditionally?

I see now that it's used by arm-smmu.c, should be okay then.