[PATCH v3] arm64: dts: qcom: sa8775p: Mark APPS and PCIe SMMUs as DMA coherent

From: Qingqing Zhou
Date: Thu Jul 25 2024 - 03:23:47 EST


The SMMUs on sa8775p are cache-coherent. GPU SMMU is marked as such,
mark the APPS and PCIe ones as well.

Fixes: 603f96d4c9d0 ("arm64: dts: qcom: add initial support for qcom sa8775p-ride")
Fixes: 2dba7a613a6e ("arm64: dts: qcom: sa8775p: add the pcie smmu node")
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Signed-off-by: Qingqing Zhou <quic_qqzhou@xxxxxxxxxxx>
---
v2 -> v3:
- Remove the line break between tags.
- Add the Cc stable tag.
Link to v2: https://lore.kernel.org/all/20240723075948.9545-1-quic_qqzhou@xxxxxxxxxxx/

v1 -> v2:
- Add the Fixes tags.
- Update the commit message.
Link to v1: https://lore.kernel.org/lkml/20240715071649.25738-1-quic_qqzhou@xxxxxxxxxxx/
---
arch/arm64/boot/dts/qcom/sa8775p.dtsi | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 23f1b2e5e624..95691ab58a23 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -3070,6 +3070,7 @@
reg = <0x0 0x15000000 0x0 0x100000>;
#iommu-cells = <2>;
#global-interrupts = <2>;
+ dma-coherent;

interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
@@ -3208,6 +3209,7 @@
reg = <0x0 0x15200000 0x0 0x80000>;
#iommu-cells = <2>;
#global-interrupts = <2>;
+ dma-coherent;

interrupts = <GIC_SPI 920 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 921 IRQ_TYPE_LEVEL_HIGH>,
--
2.17.1