linux-kernel - Re: [PATCH v3 05/15] dt-bindings: devfreq: rk3399

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Message-ID: <e80dd94a-633c-b1be-64c4-1c8fbdfd677f@canonical.com>
Date:   Tue, 8 Mar 2022 19:10:07 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Brian Norris <briannorris@...omium.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Lin Huang <hl@...k-chips.com>, Heiko Stuebner <heiko@...ech.de>,
        Derek Basehore <dbasehore@...omium.org>,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v3 05/15] dt-bindings: devfreq: rk3399_dmc: Add more
 disable-freq properties

On 08/03/2022 01:09, Brian Norris wrote:
> DDR DVFS tuning has found that several power-saving features don't have
> good tradeoffs at higher frequencies -- at higher frequencies, we'll see
> glitches or other errors. Provide tuning controls so these can be
> disabled at higher OPPs, and left active only at the lower ones.
> 
> Signed-off-by: Brian Norris <briannorris@...omium.org>
> Reviewed-by: Rob Herring <robh@...nel.org>
> ---
> 
> Changes in v3:
>  * Add Reviewed-by
> 
> Changes in v2:
>  * hyphens, not underscores
>  * *-hz units, and drop the types definition
> 
>  .../bindings/devfreq/rk3399_dmc.yaml          | 37 +++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

Best regards,
Krzysztof