On Tue, Sep 15, 2026 at 05:27:50PM +0800, Yongxing Mou wrote:
> The INT2 GDSC on Kaanapali (SM8850) powers a subset of the DPU
> source pipes (VIG2/VIG3/DMA5). Add it as a second power domain of
> the display-controller (DPU) node, alongside the existing MMCX
> performance-state power domain.
>
> The MDSS node's CORE_GDSC is unaffected, since it continues to power
> the rest of the MDSS hardware on its own.
>
> Signed-off-by: Yongxing Mou <[email protected]>
> ---
> arch/arm64/boot/dts/qcom/kaanapali.dtsi | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> index ace19b8b12d7..b3e3cd1d311c 100644
> --- a/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> +++ b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> @@ -3619,7 +3619,9 @@ mdss_mdp: display-controller@9801000 {
>
> operating-points-v2 = <&mdp_opp_table>;
>
> - power-domains = <&rpmhpd RPMHPD_MMCX>;
> + power-domains = <&rpmhpd RPMHPD_MMCX>,
Should it continue to be RPMHPD_MMCX or should it become
DISP_CC_MDSS_CORE_GDSC?
> + <&dispcc
> DISP_CC_MDSS_CORE_INT2_GDSC>;
> + power-domain-names = "mmcx", "int2";
>
> ports {
> #address-cells = <1>;
>
> --
> 2.43.0
>
--
With best wishes
Dmitry
