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arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved

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Adding a reserved memory region for the framebuffer memory
(the splash memory region set up by the bootloader).

It fixes a kernel panic (arm-smmu: Unhandled context fault
at this particular memory region) reported on DB845c running
v5.10.y.

Cc: [email protected] # v5.10+
Reviewed-by: Caleb Connolly <[email protected]>
Signed-off-by: Amit Pundir <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>
This commit is contained in:
Amit Pundir
2023-08-17 19:50:45 -07:00
committed by Bjorn Andersson
parent 902824035f
commit 110e70fccc
1 changed files with 9 additions and 0 deletions
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arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+9
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@@ -101,6 +101,14 @@
};
};
reserved-memory {
/* Cont splash region set up by the bootloader */
cont_splash_mem: framebuffer@9d400000 {
reg = <0x0 0x9d400000 0x0 0x2400000>;
no-map;
};
};
lt9611_1v8: lt9611-vdd18-regulator {
compatible = "regulator-fixed";
regulator-name = "LT9611_1V8";
@@ -513,6 +521,7 @@
};
&mdss {
memory-region = <&cont_splash_mem>;
status = "okay";
};