linux-kernel - [PATCH v19 0/4] iommu/arm-smmu: Add adreno-smmu implementation and bindings

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Date:   Mon,  9 Nov 2020 11:47:24 -0700
From:   Jordan Crouse <jcrouse@...eaurora.org>
To:     linux-arm-msm@...r.kernel.org
Cc:     iommu@...ts.linux-foundation.org, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hanna Hawa <hannah@...vell.com>,
        Joerg Roedel <joro@...tes.org>,
        Krishna Reddy <vdumpa@...dia.com>,
        Rob Clark <robdclark@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Thierry Reding <treding@...dia.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v19 0/4] iommu/arm-smmu: Add adreno-smmu implementation and bindings

This short series adds support for the adreno-smmu implementation of the
arm-smmu driver and the device-tree bindings to turn on the implementation
for the sm845 and sc7180 GPUs. These changes are the last ones needed to enable
per-instance pagetables in the drm/msm driver.

v19: Rebase to kernel/git/will/linux.git for-joerg/arm-smmu/updates to pick up
     system cache patches and devm_realloc() updates. Use a function hook to
     modify / write sctlr
v18: No deltas in this patchset since the last go-around for 5.10 [1].

[1] https://patchwork.freedesktop.org/series/81393/

Jordan Crouse (3):
  iommu/arm-smmu-qcom: Add implementation for the adreno GPU SMMU
  dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU
  arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU

Rob Clark (1):
  iommu/arm-smmu: Add a way for implementations to influence SCTLR

 .../devicetree/bindings/iommu/arm,smmu.yaml   |   9 +-
 arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi    |   9 +
 arch/arm64/boot/dts/qcom/sdm845.dtsi          |   2 +-
 drivers/iommu/arm/arm-smmu/arm-smmu-impl.c    |   3 +
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c    | 164 +++++++++++++++++-
 drivers/iommu/arm/arm-smmu/arm-smmu.c         |   5 +-
 drivers/iommu/arm/arm-smmu/arm-smmu.h         |   3 +
 7 files changed, 189 insertions(+), 6 deletions(-)

-- 
2.25.1