Thread (7 messages) 7 messages, 4 authors, 2020-09-01

Re: [PATCH 10/19] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU

From: Bjorn Andersson <hidden>
Date: 2020-09-01 05:00:52
Also in: dri-devel, linux-arm-kernel, linux-arm-msm, linux-iommu, lkml

On Thu 13 Aug 21:41 CDT 2020, Rob Clark wrote:
From: Jordan Crouse <redacted>

Every Qcom Adreno GPU has an embedded SMMU for its own use. These
devices depend on unique features such as split pagetables,
different stall/halt requirements and other settings. Identify them
with a compatible string so that they can be identified in the
arm-smmu implementation specific code.
Reviewed-by: Bjorn Andersson <redacted>
quoted hunk ↗ jump to hunk
Signed-off-by: Jordan Crouse <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Clark <redacted>
---
 Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 503160a7b9a0..5ec5d0d691f6 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -40,6 +40,10 @@ properties:
               - qcom,sm8150-smmu-500
               - qcom,sm8250-smmu-500
           - const: arm,mmu-500
+      - description: Qcom Adreno GPUs implementing "arm,smmu-v2"
+        items:
+          - const: qcom,adreno-smmu
+          - const: qcom,smmu-v2
       - description: Marvell SoCs implementing "arm,mmu-500"
         items:
           - const: marvell,ap806-smmu-500
-- 
2.26.2
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