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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Igor Belwon <igor.belwon@mentallysanemainliners.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Abel Vesa <abelvesa@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/2] arm64: dts: qcom: Add support for Xiaomi 17 Ultra phones
Date: Tue, 20 Oct 2026 15:57:52 +0200	[thread overview]
Message-ID: <e4501d93-7781-405d-b7e3-99d21358d707@oss.qualcomm.com> (raw)
In-Reply-To: <20261019-nezha-v4-2-19c1e31eb255@mentallysanemainliners.org>

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

      parent reply	other threads:[~2026-10-20 13:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-19 15:47 [PATCH v4 0/2] arm64: dts: qcom: Add support for the Xiaomi 17 Ultra series of devices Igor Belwon
2026-10-19 15:47 ` [PATCH v4 1/2] dt-bindings: arm: qcom: Document Xiaomi 17 Ultra devices Igor Belwon
2026-10-19 15:47 ` [PATCH v4 2/2] arm64: dts: qcom: Add support for Xiaomi 17 Ultra phones Igor Belwon
2026-10-20 13:02   ` Abel Vesa
2026-10-20 13:57   ` Konrad Dybcio [this message]

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