linux-kernel - [PATCH] arm64: dts: qcom: sdm845-xiaomi-beryllium-tianma: Add reserved memory region

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Message-Id: <20230124183257.1525376-1-amit.pundir@linaro.org>
Date:   Wed, 25 Jan 2023 00:02:57 +0530
From:   Amit Pundir <amit.pundir@...aro.org>
To:     Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Caleb Connolly <caleb.connolly@...aro.org>,
        Joel Selvaraj <joelselvaraj.oss@...il.com>
Cc:     linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        dt <devicetree@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        phone-devel <phone-devel@...r.kernel.org>
Subject: [PATCH] arm64: dts: qcom: sdm845-xiaomi-beryllium-tianma: Add reserved memory region

Put cont splash memory region under the reserved-memory as
confirmed by the downstream code for Tianma variant as well.

Signed-off-by: Amit Pundir <amit.pundir@...aro.org>
---
This change should probably go in sdm845-xiaomi-beryllium-common but
I don't have EBBG variant's downstream code nor the device to test.

 .../boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts      | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
index 8e176111e599..47cbf725b0e3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
@@ -7,6 +7,14 @@
 / {
 	model = "Xiaomi Pocophone F1 (Tianma)";
 	compatible = "xiaomi,beryllium", "qcom,sdm845";
+
+	reserved-memory {
+		/* Cont splash region set up by the bootloader */
+		cont_splash_mem: framebuffer@...00000 {
+			reg = <0x0 0x9d400000 0x0 0x2400000>;
+			no-map;
+		};
+	};
 };
 
 &display_panel {
-- 
2.25.1