linux-kernel - Re: [PATCH v17 4/6] soc: qcom: rpmh: Invoke rpmh

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Message-ID: <158681272208.84447.17507041349057590305@swboyd.mtv.corp.google.com>
Date:   Mon, 13 Apr 2020 14:18:42 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Maulik Shah <mkshah@...eaurora.org>, bjorn.andersson@...aro.org,
        dianders@...omium.org, evgreen@...omium.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        agross@...nel.org, mka@...omium.org, rnayak@...eaurora.org,
        ilina@...eaurora.org, lsrao@...eaurora.org,
        Maulik Shah <mkshah@...eaurora.org>
Subject: Re: [PATCH v17 4/6] soc: qcom: rpmh: Invoke rpmh_flush() for dirty caches

Quoting Maulik Shah (2020-04-12 07:50:02)
> Add changes to invoke rpmh flush() from CPU PM notification.
> This is done when the last the cpu is entering deep CPU idle
> states and controller is not busy.
> 
> Controllers that have 'HW solver' mode like display RSC do not need
> to register for CPU PM notification. They may be in autonomous mode
> executing low power mode and do not require rpmh_flush() to happen
> from CPU PM notification.
> 
> Signed-off-by: Maulik Shah <mkshah@...eaurora.org>
> Reviewed-by: Douglas Anderson <dianders@...omium.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>