Re: [PATCH v2 3/3] arm64: dts: qcom: Add INT2 GDSC to Kaanapali DPU

[Dmitry Baryshkov]

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 <yongxing.mou@xxxxxxxxxxxxxxxx>
> ---
>  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