linux-kernel - Re: [PATCH v5 8/8] soc: qcom: rpmhpd: Mark mx as a parent for cx

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Message-ID: <20181204052640.ix2tschgffhy3tp7@vireshk-i7>
Date:   Tue, 4 Dec 2018 10:56:40 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>
Cc:     robh@...nel.org, sboyd@...nel.org, andy.gross@...aro.org,
        ulf.hansson@...aro.org, collinsd@...eaurora.org, mka@...omium.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 8/8] soc: qcom: rpmhpd: Mark mx as a parent for cx

On 04-12-18, 10:51, Rajendra Nayak wrote:
> Specify the active + sleep and active-only MX power domains as
> the parents of the corresponding CX power domains. This will ensure that
> performance state requests on CX automatically generate equivalent requests
> on MX power domains.
> 
> This is used to enforce a requirement that exists for various
> hardware blocks on SDM845 that MX performance state >= CX performance
> state for a given operating frequency.
> 
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> ---
> This patch is dependent on the series from
> Viresh [1] which adds support to propogate performance states across the
> power domain hierarchy which is still being reviewed.
> 
> [1] https://lkml.org/lkml/2018/11/26/333
> 
>  drivers/soc/qcom/rpmhpd.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh