linux-kernel - Re: [PATCH v1] clk: tegra30: Use 300MHz for video decoder by default

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Message-ID: <160627050023.2717324.14379148787162509458@swboyd.mtv.corp.google.com>
Date:   Tue, 24 Nov 2020 18:15:00 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Dmitry Osipenko <digetx@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Michael Turquette <mturquette@...libre.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     linux-tegra@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] clk: tegra30: Use 300MHz for video decoder by default

Quoting Dmitry Osipenko (2020-11-15 06:10:04)
> 15.11.2020 00:16, Stephen Boyd пишет:
> > Quoting Dmitry Osipenko (2020-11-04 05:48:10)
> >> The 600MHz is a too high clock rate for some SoC versions for the video
> >> decoder hardware and this may cause stability issues. Use 300MHz for the
> >> video decoder by default, which is supported by all hardware versions.
> >>
> >> Fixes: ed1a2459e20c ("clk: tegra: Add Tegra20/30 EMC clock implementation")
> >> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> >> ---
> > 
> > Should this go to clk-fixes? Thierry?
> > 
> 
> Either way should be good. The fix isn't critical because 600MHz seems
> to be working okay on unsupported hardware.
> 
> Potentially this could vary depending on a board, but then I don't think
> that there are actively-supported boards which would notice this change.
> 

Ok sounds like Thierry can pick it up.