Re: [PATCH v4 2/2] arm64: dts: qcom: Add support for Xiaomi 17 Ultra phones

[Konrad Dybcio]

On 10/19/26 5:47 PM, Igor Belwon wrote:
> The Xiaomi 17 Ultra device, codenamed 'nezha', is a flagship mobile
> phone released by Xiaomi in 2025 (China)/2026 (EEA). It uses the
> Qualcomm Kaanapali SoC.

Nice!

[...]

> +	reserved-memory {
> +		/*
> +		 * If we do not have this exact region with this exact name
> +		 * present, the bootloader disables the display panel and
> +		 * for some reason it cannot be re-enabled.
> +		 */
> +		splash_region@fc800000 {
> +			reg = <0x0 0xfc800000 0x0 0x2b00000>;
> +			no-map;
> +		};
> +
> +		/delete-node/ pdp@81300000;
> +		pdp_mem: pdp@81200000 {
> +			reg = <0x0 0x81200000 0x0 0x200000>;
> +			no-map;
> +		};

Please check if your firmware automatically carves out
0x81200000-0x812fffff

If not, insetad add a cpucp@81200000 node to the DTSI that's
0x100000-long

Konrad