linux-kernel - Re: [PATCH] arm64: dts: rockchip: Add dynamic-power-coefficient to rk3399 GPU

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Message-ID: <c5c6f169-e021-43c5-a478-21bfbdada554@arm.com>
Date:   Thu, 7 Dec 2023 11:07:58 +0000
From:   Lukasz Luba <lukasz.luba@....com>
To:     linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        heiko@...ech.de, conor+dt@...nel.org, daniel.lezcano@...aro.org
Subject: Re: [PATCH] arm64: dts: rockchip: Add dynamic-power-coefficient to
 rk3399 GPU



On 11/27/23 08:15, Lukasz Luba wrote:
> Add dynamic-power-coefficient to the GPU node. That will create Energy
> Model for the GPU based on the coefficient and OPP table information.
> It will enable mechanism such as DTMP or IPA to work with the GPU DVFS.
> In similar way the Energy Model for CPUs in rk3399 is created, so both
> are aligned in power scale. The maximum power used from this coefficient
> is 1.5W at 600MHz.
> 
> Signed-off-by: Lukasz Luba <lukasz.luba@....com>
> ---
>   arch/arm64/boot/dts/rockchip/rk3399.dtsi | 1 +
>   1 file changed, 1 insertion(+)
> 


Gentle ping. What's the status of this?