linux-kernel - Re: [RFC PATCH v6 6/9] media: tegra: Add Tegra210 Video input driver

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Message-ID: <7288cacd-badc-cb01-1f4c-286dd024ca10@gmail.com>
Date:   Thu, 9 Apr 2020 17:50:39 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        thierry.reding@...il.com, jonathanh@...dia.com, frankc@...dia.com,
        hverkuil@...all.nl, 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 v6 6/9] media: tegra: Add Tegra210 Video input driver

09.04.2020 06:38, Sowjanya Komatineni пишет:
...
> Tested with 3 buffers and by checking outstanding buffers in process by
> VI hw and holding to start capture till one outstanding buffer in
> process by HW.
> Also tested with 2 buffers without checking for outstanding buffers.
> 
> In both cases, I see same %CPU for the kthreads and is < 1%
> 

I don't see where buffers queue max limit is set to 3 in the code, but
should be okay if CPU isn't getting hogged. Looking forward to v7.