linux-kernel - Re: [PATCH 3/3] arm64: dts: rockchip: set rk3399 dynamic CPU power coefficients

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Message-ID: <3456973.xqkASENUTq@phil>
Date:   Wed, 28 Jun 2017 17:45:03 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Brian Norris <briannorris@...omium.org>
Cc:     linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Caesar Wang <wxt@...k-chips.com>,
        Doug Anderson <dianders@...omium.org>,
        linux-arm-kernel@...ts.infradead.org,
        Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [PATCH 3/3] arm64: dts: rockchip: set rk3399 dynamic CPU power coefficients

Am Freitag, 23. Juni 2017, 10:07:37 CEST schrieb Brian Norris:
> Provide the dynamic power coefficient of the big and little CPU
> clusters. These numbers are currently in use on the Samsung Chromebook
> Plus ("Kevin").
> 
> The power allocator thermal governor doesn't know how to do anything if
> it doesn't get power parameters from its cooling devices (in this case,
> CPUfreq). So this effectively enables the power-allocator governor.
> 
> Signed-off-by: Brian Norris <briannorris@...omium.org>

applied for 4.14 after extending the property to all cpu cores.


Thanks
Heiko