From: Rob Clark <robdclark@gmail.com>
To: dri-devel@lists.freedesktop.org,
iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>
Cc: Rob Clark <robdclark@chromium.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>,
Akhil P Oommen <akhilpo@codeaurora.org>,
Rob Herring <robh+dt@kernel.org>,
Stephen Boyd <swboyd@chromium.org>,
Andy Gross <agross@kernel.org>,
Sibi Sankar <sibis@codeaurora.org>,
Vivek Gautam <vivek.gautam@codeaurora.org>
Subject: [PATCH v16 19/20] arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU
Date: Tue, 1 Sep 2020 09:46:36 -0700 [thread overview]
Message-ID: <20200901164707.2645413-20-robdclark@gmail.com> (raw)
In-Reply-To: <20200901164707.2645413-1-robdclark@gmail.com>
From: Jordan Crouse <jcrouse@codeaurora.org>
Set the qcom,adreno-smmu compatible string for the GPU SMMU to enable
split pagetables and per-instance pagetables for drm/msm.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 9 +++++++++
arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 +-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
index 64fc1bfd66fa..39f23cdcbd02 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
@@ -633,6 +633,15 @@ &mdss_mdp {
status = "okay";
};
+/*
+ * Cheza fw does not properly program the GPU aperture to allow the
+ * GPU to update the SMMU pagetables for context switches. Work
+ * around this by dropping the "qcom,adreno-smmu" compat string.
+ */
+&adreno_smmu {
+ compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
+};
+
&mss_pil {
iommus = <&apps_smmu 0x781 0x0>,
<&apps_smmu 0x724 0x3>;
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 2884577dcb77..76a8a34640ae 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -4058,7 +4058,7 @@ opp-257000000 {
};
adreno_smmu: iommu@5040000 {
- compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
+ compatible = "qcom,sdm845-smmu-v2", "qcom,adreno-smmu", "qcom,smmu-v2";
reg = <0 0x5040000 0 0x10000>;
#iommu-cells = <1>;
#global-interrupts = <2>;
--
2.26.2
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iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-09-01 16:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-01 16:46 [PATCH v16 00/20] iommu/arm-smmu + drm/msm: per-process GPU pgtables Rob Clark
2020-09-01 16:46 ` [PATCH v16 01/20] drm/msm: Remove dangling submitqueue references Rob Clark
2020-09-01 16:46 ` [PATCH v16 02/20] drm/msm: Add private interface for adreno-smmu Rob Clark
2020-09-01 16:46 ` [PATCH v16 03/20] drm/msm/gpu: Add dev_to_gpu() helper Rob Clark
2020-09-01 16:46 ` [PATCH v16 04/20] drm/msm: Set adreno_smmu as gpu's drvdata Rob Clark
2020-09-01 16:46 ` [PATCH v16 05/20] drm/msm: Add a context pointer to the submitqueue Rob Clark
2020-09-01 16:46 ` [PATCH v16 06/20] drm/msm: Drop context arg to gpu->submit() Rob Clark
2020-09-01 16:46 ` [PATCH v16 07/20] drm/msm: Set the global virtual address range from the IOMMU domain Rob Clark
2020-09-01 16:46 ` [PATCH v16 08/20] drm/msm: Add support to create a local pagetable Rob Clark
2020-09-01 16:46 ` [PATCH v16 09/20] drm/msm: Add support for private address space instances Rob Clark
2020-09-01 16:46 ` [PATCH v16 10/20] drm/msm/a6xx: Add support for per-instance pagetables Rob Clark
2020-09-01 16:46 ` [PATCH v16 11/20] drm/msm: Show process names in gem_describe Rob Clark
2020-09-01 16:46 ` [PATCH v16 12/20] iommu/arm-smmu: Pass io-pgtable config to implementation specific function Rob Clark
2020-09-01 16:46 ` [PATCH v16 13/20] iommu/arm-smmu: Add support for split pagetables Rob Clark
2020-09-01 16:46 ` [PATCH v16 14/20] iommu/arm-smmu: Prepare for the adreno-smmu implementation Rob Clark
2020-09-04 16:00 ` Bjorn Andersson
2020-09-05 18:32 ` Rob Clark
2020-09-01 16:46 ` [PATCH v16 15/20] iommu/arm-smmu: Constify some helpers Rob Clark
2020-09-01 16:46 ` [PATCH v16 16/20] iommu/arm-smmu-qcom: Add implementation for the adreno GPU SMMU Rob Clark
2020-09-01 16:46 ` [PATCH v16 17/20] iommu/arm-smmu: Add a way for implementations to influence SCTLR Rob Clark
2020-09-01 16:46 ` [PATCH v16 18/20] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU Rob Clark
2020-09-01 16:46 ` Rob Clark [this message]
2020-09-04 16:06 ` [PATCH v16 19/20] arm: dts: qcom: sm845: Set the compatible string for the " Bjorn Andersson
2020-09-01 16:46 ` [PATCH v16 20/20] arm: dts: qcom: sc7180: " Rob Clark
2020-09-04 16:06 ` Bjorn Andersson
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