Re: [PATCH 0/4] Start using rpmpd for power domains on MSM8974

From: Dmitry Baryshkov
Date: Mon Jun 23 2025 - 20:59:25 EST


On Sat, Jun 21, 2025 at 03:19:55PM +0200, Luca Weiss wrote:
> Switch over the ADSP PIL to use power-domains instead of a regulator,
> and have one commit switching over the MSM8974 SoC plus all the devices
> to use power-domains.
>
> Note, that I'm aware that these changes are not backwards compatible and
> not really bisectable, but since it only affects the ADSP on these

Why? The cx-supply is handled unconditionally. A single-domain usecase
is also handled via a special code path. I think this might be
backwards-compatible, by the pure luck.

> pretty old boards, I say it's fine to have this. Get all the patches
> into the same release (6.17?) and then we're good again.
>
> Signed-off-by: Luca Weiss <luca@xxxxxxxxxxxx>
> ---
> Luca Weiss (4):
> dt-bindings: remoteproc: qcom,adsp: Make msm8974 use CX as power domain
> remoteproc: qcom_q6v5_pas: Use resource with CX PD for MSM8974
> ARM: dts: qcom: msm8974: Sort header includes alphabetically
> ARM: dts: qcom: msm8974: Start using rpmpd for power domains
>
> .../devicetree/bindings/remoteproc/qcom,adsp.yaml | 18 ++------
> .../arm/boot/dts/qcom/qcom-apq8074-dragonboard.dts | 13 ------
> .../qcom/qcom-msm8974-lge-nexus5-hammerhead.dts | 12 ------
> .../boot/dts/qcom/qcom-msm8974-samsung-hlte.dts | 12 ------
> .../dts/qcom/qcom-msm8974-sony-xperia-rhine.dtsi | 12 ------
> arch/arm/boot/dts/qcom/qcom-msm8974.dtsi | 50 ++++++++++++++++++++--
> .../dts/qcom/qcom-msm8974pro-fairphone-fp2.dts | 8 ----
> arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts | 11 -----
> .../dts/qcom/qcom-msm8974pro-oneplus-bacon.dts | 9 ----
> .../qcom/qcom-msm8974pro-samsung-klte-common.dtsi | 11 ++---
> ...qcom-msm8974pro-sony-xperia-shinano-common.dtsi | 12 ------
> drivers/remoteproc/qcom_q6v5_pas.c | 2 +-
> 12 files changed, 56 insertions(+), 114 deletions(-)
> ---
> base-commit: 7fa2fb97cd28e1d9670da538095565b6fba83977
> change-id: 20250621-msm8974-rpmpd-switch-b19b166c02be
>
> Best regards,
> --
> Luca Weiss <luca@xxxxxxxxxxxx>
>

--
With best wishes
Dmitry