From: Rob Clark <robdclark@gmail.com>
To: Jordan Crouse <jcrouse@codeaurora.org>
Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>, Will Deacon <will@kernel.org>,
Rob Herring <robh@kernel.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"list@263.net:IOMMU DRIVERS <iommu@lists.linux-foundation.org>,
Joerg Roedel <joro@8bytes.org>,
" <iommu@lists.linux-foundation.org>,
Rob Herring <robh+dt@kernel.org>,
freedreno <freedreno@lists.freedesktop.org>,
Robin Murphy <robin.murphy@arm.com>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v10 07/13] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU
Date: Sun, 26 Jul 2020 09:55:18 -0700 [thread overview]
Message-ID: <CAF6AEGu50KtjFHJO3Txrbjnn1xoG5WDyuU_e__RsGPXe-5Z46g@mail.gmail.com> (raw)
In-Reply-To: <20200720154047.3611092-8-jcrouse@codeaurora.org>
On Mon, Jul 20, 2020 at 8:41 AM Jordan Crouse <jcrouse@codeaurora.org> wrote:
>
> Every Qcom Adreno GPU has an embedded SMMU for its own use. These
minor detail: this is true for a3xx and later but not a2xx ;-)
> 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.
>
> Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
>
> 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 d7ceb4c34423..e52a1b146c97 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> @@ -38,6 +38,10 @@ properties:
> - qcom,sc7180-smmu-500
> - qcom,sdm845-smmu-500
> - const: arm,mmu-500
> + - description: Qcom Adreno GPUs implementing "arm,smmu-v2"
> + items:
> + - const: qcom,adreno-smmu
> + - const: qcom,smmu-v2
> - items:
> - const: arm,mmu-500
> - const: arm,smmu-v2
> --
> 2.25.1
>
> _______________________________________________
> iommu mailing list
> iommu@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-07-26 16:54 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 15:40 [PATCH v10 00/13] iommu/arm-smmu: Add Adreno SMMU specific implementation Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 01/13] iommu/arm-smmu: Pass io-pgtable config to implementation specific function Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 02/13] iommu/arm-smmu: Add support for split pagetables Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 03/13] iommu/arm-smmu: Add implementation hooks to configure contexts Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 04/13] iommu/arm-smmu-qcom: Add implementation for the adreno GPU SMMU Jordan Crouse
2020-07-27 6:27 ` Bjorn Andersson
2020-07-27 14:57 ` Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 05/13] iommu: Add a domain attribute to get/set a pagetable configuration Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 06/13] iommu/arm-smmu-qcom: Get and set the pagetable config for split pagetables Jordan Crouse
2020-07-26 17:03 ` [Freedreno] " Rob Clark
2020-07-27 15:03 ` Jordan Crouse
2020-07-27 17:17 ` Rob Clark
2020-07-20 15:40 ` [PATCH v10 07/13] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU Jordan Crouse
2020-07-26 16:55 ` Rob Clark [this message]
2020-07-20 15:40 ` [PATCH v10 08/13] drm/msm: Add a context pointer to the submitqueue Jordan Crouse
2020-07-26 17:09 ` Rob Clark
2020-07-20 15:40 ` [PATCH v10 09/13] drm/msm: Set the global virtual address range from the IOMMU domain Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 10/13] drm/msm: Add support to create a local pagetable Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 11/13] drm/msm: Add support for private address space instances Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 12/13] drm/msm/a6xx: Add support for per-instance pagetables Jordan Crouse
2020-07-20 15:40 ` [PATCH v10 13/13] arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU Jordan Crouse
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