linux-kernel - Re: [PATCH v2 0/6] PM: domains: Add control for switching back and forth to HW control

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Message-ID: <CAJZ5v0iCap-HgejaXPi4h_CROWJXBSRDQZ57Z7Tgi67FeDXnAw@mail.gmail.com>
Date:   Tue, 22 Aug 2023 22:15:19 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Abel Vesa <abel.vesa@...aro.org>
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Kevin Hilman <khilman@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Mike Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Taniya Das <tdas@....qualcomm.com>, linux-pm@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 0/6] PM: domains: Add control for switching back and
 forth to HW control

On Wed, Aug 16, 2023 at 4:57 PM Abel Vesa <abel.vesa@...aro.org> wrote:
>
> The v1 (and the back story) can be found here:
> https://lore.kernel.org/all/20230628105652.1670316-1-abel.vesa@linaro.org/
>
> Changes since v1:
>  * patch for printing domain HW-managed mode in the summary
>  * patch that adds one consumer (venus)
>  * patch for gdsc with new (different) flag
>  * patch for videocc GDSC provider to update flags
>
> Abel Vesa (1):
>   PM: domains: Add the domain HW-managed mode to the summary
>
> Jagadeesh Kona (4):
>   clk: qcom: gdsc: Add set and get hwmode callbacks to switch GDSC mode
>   clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode
>   clk: qcom: videocc-sm8550: Use HW_CTRL_TRIGGER instead of HW_CTRL for
>     GDSC
>   venus: pm_helpers: Use dev_pm_genpd_set_hwmode to switch GDSC mode
>
> Ulf Hansson (1):
>   PM: domains: Allow devices attached to genpd to be managed by HW
>
>  drivers/base/power/domain.c                   | 84 ++++++++++++++++++-
>  drivers/clk/qcom/gdsc.c                       | 32 +++++++
>  drivers/clk/qcom/gdsc.h                       |  1 +
>  drivers/clk/qcom/videocc-sc7180.c             |  2 +-
>  drivers/clk/qcom/videocc-sc7280.c             |  2 +-
>  drivers/clk/qcom/videocc-sdm845.c             |  4 +-
>  drivers/clk/qcom/videocc-sm8250.c             |  4 +-
>  drivers/clk/qcom/videocc-sm8550.c             |  4 +-
>  drivers/media/platform/qcom/venus/core.c      |  4 +
>  drivers/media/platform/qcom/venus/core.h      |  1 +
>  .../media/platform/qcom/venus/pm_helpers.c    | 47 +++++------
>  include/linux/pm_domain.h                     | 17 ++++
>  12 files changed, 165 insertions(+), 37 deletions(-)
>
> --

The second patch requires an ACK from Ulf anyway and with his ACK the
whole series can be routed via arm-soc as far as I'm concerned.

I have nothing to add here.

Thanks!