arm64: dts: qcom: sdm630-nile: Reserve simplefb memory

Reserve the bit of memory that simplefb uses to ensure it can always
probe.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230116141451.470158-2-konrad.dybcio@linaro.org

arch/arm64/boot/dts/qcom/sdm630-sony-xperia-ganges-kirin.dts

@@ -21,6 +21,11 @@ framebuffer@9d400000 {
 	};
 };
 
+/* Reserve a bigger chunk of RAM for the higher-res display */
+&cont_splash_mem {
+	reg = <0 0x9d400000 0 (2520 * 1080 * 4)>;
+};
+
 /* Ganges devices feature a Novatek touchscreen instead. */
 /delete-node/ &touchscreen;
 /delete-node/ &vreg_l18a_1v8;

arch/arm64/boot/dts/qcom/sdm630-sony-xperia-nile.dtsi

@@ -142,6 +142,11 @@ reserved@85800000 {
 			reg = <0x00 0x85800000 0x00 0x3700000>;
 			no-map;
 		};
+
+		cont_splash_mem: splash@9d400000 {
+			reg = <0 0x9d400000 0 (1920 * 1080 * 4)>;
+			no-map;
+		};
 	};
 
 	/*