linux-kernel - Re: [PATCH v2 05/15] dt-bindings: devfreq: rk3399

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Message-ID: <YgQkEKKTy5hAMfpS@robh.at.kernel.org>
Date:   Wed, 9 Feb 2022 14:29:04 -0600
From:   Rob Herring <robh@...nel.org>
To:     Brian Norris <briannorris@...omium.org>
Cc:     Rob Herring <robh+dt@...nel.org>, Lin Huang <hl@...k-chips.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Heiko Stuebner <heiko@...ech.de>, linux-pm@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Chanwoo Choi <cw00.choi@...sung.com>,
        linux-arm-kernel@...ts.infradead.org,
        Derek Basehore <dbasehore@...omium.org>
Subject: Re: [PATCH v2 05/15] dt-bindings: devfreq: rk3399_dmc: Add more
 disable-freq properties

On Thu, 27 Jan 2022 15:07:16 -0800, 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>
> ---
> 
> 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: Rob Herring <robh@...nel.org>