linux-kernel - Re: [PATCH v2 04/15] dt-bindings: devfreq: rk3399

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Message-ID: <YgQiW8PhI/G6OqR6@robh.at.kernel.org>
Date:   Wed, 9 Feb 2022 14:21:47 -0600
From:   Rob Herring <robh@...nel.org>
To:     Brian Norris <briannorris@...omium.org>
Cc:     Derek Basehore <dbasehore@...omium.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        linux-pm@...r.kernel.org, Lin Huang <hl@...k-chips.com>,
        linux-kernel@...r.kernel.org, Chanwoo Choi <cw00.choi@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-rockchip@...ts.infradead.org,
        Heiko Stuebner <heiko@...ech.de>,
        Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH v2 04/15] dt-bindings: devfreq: rk3399_dmc: Specify idle
 params in nanoseconds

On Thu, 27 Jan 2022 15:07:15 -0800, Brian Norris wrote:
> It's inefficient to use the same number of cycles for all OPPs, since
> lower frequencies make for longer idle times. Let's specify the idle
> time instead, so software can pick the optimal number of cycles on its
> own.
> 
> NB: these bindings aren't used anywhere yet.
> 
> Signed-off-by: Brian Norris <briannorris@...omium.org>
> ---
> 
> Changes in v2:
>  - New patch
> 
>  .../bindings/devfreq/rk3399_dmc.yaml          | 50 +++++++++++++++++--
>  1 file changed, 45 insertions(+), 5 deletions(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>