From: Jordan Crouse <jcrouse@codeaurora.org> To: freedreno@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Joerg Roedel <joro@8bytes.org> Subject: [PATCH 2/7] dt-bindings: arm-smmu: Add Adreno GPU variant Date: Tue, 20 Aug 2019 13:06:27 -0600 [thread overview] Message-ID: <1566327992-362-3-git-send-email-jcrouse@codeaurora.org> (raw) In-Reply-To: <1566327992-362-1-git-send-email-jcrouse@codeaurora.org> Add a compatible string to identify SMMUs that are attached to Adreno GPU devices that wish to support split pagetables. Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> --- Documentation/devicetree/bindings/iommu/arm,smmu.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index 3133f3b..3b07896 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt @@ -18,6 +18,7 @@ conditions. "arm,mmu-500" "cavium,smmu-v2" "qcom,smmu-v2" + "qcom,adreno-smmu-v2" depending on the particular implementation and/or the version of the architecture implemented. @@ -31,6 +32,12 @@ conditions. as below, SoC-specific compatibles: "qcom,sdm845-smmu-500", "arm,mmu-500" + "qcom,adreno-smmu-v2" is a special implementation for + SMMU devices attached to the Adreno GPU on Qcom devices. + If selected, this will enable split pagetable (TTBR1) + support. Only use this if the GPU target is capable of + supporting 64 bit addresses. + - reg : Base address and size of the SMMU. - #global-interrupts : The number of global interrupts exposed by the -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Jordan Crouse <jcrouse@codeaurora.org> To: freedreno@lists.freedesktop.org Cc: Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Rob Herring <robh+dt@kernel.org> Subject: [PATCH 2/7] dt-bindings: arm-smmu: Add Adreno GPU variant Date: Tue, 20 Aug 2019 13:06:27 -0600 [thread overview] Message-ID: <1566327992-362-3-git-send-email-jcrouse@codeaurora.org> (raw) In-Reply-To: <1566327992-362-1-git-send-email-jcrouse@codeaurora.org> Add a compatible string to identify SMMUs that are attached to Adreno GPU devices that wish to support split pagetables. Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org> --- Documentation/devicetree/bindings/iommu/arm,smmu.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index 3133f3b..3b07896 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt @@ -18,6 +18,7 @@ conditions. "arm,mmu-500" "cavium,smmu-v2" "qcom,smmu-v2" + "qcom,adreno-smmu-v2" depending on the particular implementation and/or the version of the architecture implemented. @@ -31,6 +32,12 @@ conditions. as below, SoC-specific compatibles: "qcom,sdm845-smmu-500", "arm,mmu-500" + "qcom,adreno-smmu-v2" is a special implementation for + SMMU devices attached to the Adreno GPU on Qcom devices. + If selected, this will enable split pagetable (TTBR1) + support. Only use this if the GPU target is capable of + supporting 64 bit addresses. + - reg : Base address and size of the SMMU. - #global-interrupts : The number of global interrupts exposed by the -- 2.7.4 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2019-08-20 19:06 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-20 19:06 [PATCH 0/7] iommu/arm-smmu: Split pagetable support for Adreno GPUs Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` [PATCH 1/7] iommu/arm-smmu: Support split pagetables Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse [this message] 2019-08-20 19:06 ` [PATCH 2/7] dt-bindings: arm-smmu: Add Adreno GPU variant Jordan Crouse 2019-08-27 17:13 ` Rob Herring 2019-08-27 17:13 ` Rob Herring 2019-09-17 18:56 ` Stephen Boyd 2019-09-17 18:56 ` Stephen Boyd 2019-08-20 19:06 ` [PATCH 3/7] iommu/arm-smmu: Add a SMMU variant for the Adreno GPU Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-09-17 18:55 ` Stephen Boyd 2019-09-17 18:55 ` Stephen Boyd 2019-09-17 18:55 ` Stephen Boyd 2019-08-20 19:06 ` [PATCH 4/7] iommu: Add DOMAIN_ATTR_SPLIT_TABLES Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` [PATCH 5/7] iommu/arm-smmu: Support DOMAIN_ATTR_SPLIT_TABLES Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-09-17 17:20 ` Will Deacon 2019-09-17 17:20 ` Will Deacon 2019-09-17 17:20 ` Will Deacon 2019-08-20 19:06 ` [PATCH 6/7] drm/msm: Create the msm_mmu object independently from the address space Jordan Crouse 2019-08-20 19:06 ` Jordan Crouse 2019-08-20 19:06 ` [PATCH 7/7] drm/msm: Use per-target functions to set up address spaces Jordan Crouse
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