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Message-ID: <20240725072117.22425-1-quic_qqzhou@quicinc.com>
Date: Thu, 25 Jul 2024 12:51:17 +0530
From: Qingqing Zhou <quic_qqzhou@...cinc.com>
To: <andersson@...nel.org>, <konrad.dybcio@...aro.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <ahalaney@...hat.com>,
        <manivannan.sadhasivam@...aro.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Qingqing Zhou <quic_qqzhou@...cinc.com>, <stable@...r.kernel.org>
Subject: [PATCH v3] arm64: dts: qcom: sa8775p: Mark APPS and PCIe SMMUs as DMA coherent

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@...r.kernel.org
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Signed-off-by: Qingqing Zhou <quic_qqzhou@...cinc.com>
---
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@quicinc.com/

v1 -> v2:
  - Add the Fixes tags.
  - Update the commit message.
Link to v1: https://lore.kernel.org/lkml/20240715071649.25738-1-quic_qqzhou@quicinc.com/
---
 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


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