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[5/7] arm64: dts: qcom: sm8550: Mark APPS SMMU as dma-coherent

Message ID 20230830-topic-8550_dmac2-v1-5-49bb25239fb1@linaro.org
State Superseded
Headers show
Series 8550 dma coherent and more | expand

Commit Message

Konrad Dybcio Aug. 30, 2023, 12:48 p.m. UTC 
Like on earlier flagship Qualcomm SoCs, the SMMU is dma-coherent.
Mark it as such.

Fixes: ffc50b2d3828 ("arm64: dts: qcom: Add base SM8550 dtsi")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8550.dtsi | 1 +
 1 file changed, 1 insertion(+)

Comments

Dmitry Baryshkov Aug. 30, 2023, 8:04 p.m. UTC | #1 
On Wed, 30 Aug 2023 at 21:32, Konrad Dybcio <konrad.dybcio@linaro.org> wrote:
>
> Like on earlier flagship Qualcomm SoCs, the SMMU is dma-coherent.
> Mark it as such.

On earlier SoCs we marked Adreno SMMU as dma-coherent, not the apps
one. Only on sm8250 you've added dma-coherent to the apps smmu.

>
> Fixes: ffc50b2d3828 ("arm64: dts: qcom: Add base SM8550 dtsi")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8550.dtsi | 1 +
>  1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index d1911b2f0bf3..944b4b8c95f5 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -3655,6 +3655,7 @@  apps_smmu: iommu@15000000 {
 				     <GIC_SPI 694 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 695 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 696 IRQ_TYPE_LEVEL_HIGH>;
+			dma-coherent;
 		};
 
 		intc: interrupt-controller@17100000 {