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| author | Amit Pundir <amit.pundir@linaro.org> | 2023-07-26 18:57:19 +0530 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-08-17 19:50:45 -0700 |
| commit | 110e70fccce4f22b53986ae797d665ffb1950aa6 (patch) | |
| tree | 5ff3d82be3b3c0cb155e0d0a7d6532328d2363ac /arch/arm64/boot/dts/qcom/sdm845-db845c.dts | |
| parent | 902824035fa5f2d2e9d20937cec331cbe52a1ab4 (diff) | |
| download | lwn-110e70fccce4f22b53986ae797d665ffb1950aa6.tar.gz lwn-110e70fccce4f22b53986ae797d665ffb1950aa6.zip | |
arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved
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: stable@vger.kernel.org # v5.10+
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230726132719.2117369-2-amit.pundir@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/qcom/sdm845-db845c.dts')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts index 14f9afbd75e5..c7eba6c491be 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts @@ -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"; }; |