Re: [PATCH v2 3/3] arm64: dts: qcom: glymur: Tie up the CX power domain to GCC
From: Dmitry Baryshkov
Date: Mon Mar 09 2026 - 17:31:24 EST
On Mon, Mar 09, 2026 at 02:08:18PM +0200, Abel Vesa wrote:
> It has been concluded off-list that the Global Clock Controller needs to
> scale the RPMh CX power domain, otherwise some of the subsystems might
> crash or be unstable. So adding the RPMh CX power domain to the clock
> controller which will result in all GDSCs being parented by CX. This way,
> the vote from the consumers of each GDSC will trickle all the way to CX.
c&p of the same set of phrases doesn't really help. Please write commit
messages, describing why the change is necessary.
>
> So add the power domain.
>
> Fixes: 41b6e8db400c ("arm64: dts: qcom: Introduce Glymur base dtsi")
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/glymur.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
> index e269cec7942c..5f8f208f6063 100644
> --- a/arch/arm64/boot/dts/qcom/glymur.dtsi
> +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
> @@ -764,6 +764,7 @@ gcc: clock-controller@100000 {
> #clock-cells = <1>;
> #reset-cells = <1>;
> #power-domain-cells = <1>;
> + power-domains = <&rpmhpd RPMHPD_CX>;
> };
>
> gpi_dma2: dma-controller@800000 {
>
> --
> 2.48.1
>
--
With best wishes
Dmitry