linux-kernel - [GIT PULL] iommu/arm-smmu: Updates for 5.14

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Message-ID: <20210616105813.GA22735@willie-the-truck>
Date:   Wed, 16 Jun 2021 11:58:13 +0100
From:   Will Deacon <will@...nel.org>
To:     joro@...tes.org
Cc:     iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        robin.murphy@....com, kernel-team@...roid.com, treding@...dia.com
Subject: [GIT PULL] iommu/arm-smmu: Updates for 5.14

Hi Joerg,

Please pull these Arm SMMU updates for 5.14.

Of particular note is the support for stalling faults with platform devices
using SMMUv3 -- this concludes the bulk of the SVA work from Jean-Philippe.

Other than that, one thing to note is that the patch from Thierry adding
the '->prove_finalize' implementation hook is also shared with the
memory-controller tree, since they build on top of it to get the SMMU
working with an nvidia SOC. Unfortunately, that patch also caused a NULL
dereference on other parts, so there's a subsequent patch on top here
addressing that.

Due to the above, the sooner this lands in -next, the better.

Cheers,

Will

--->8

The following changes since commit c4681547bcce777daf576925a966ffa824edd09d:

  Linux 5.13-rc3 (2021-05-23 11:42:48 -1000)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git tags/arm-smmu-updates

for you to fetch changes up to ddd25670d39b2181c7bec33301f2d24cdcf25dde:

  Merge branch 'for-thierry/arm-smmu' into for-joerg/arm-smmu/updates (2021-06-16 11:30:55 +0100)

----------------------------------------------------------------
Arm SMMU updates for 5.14

- SMMUv3:

  * Support stalling faults for platform devices

  * Decrease defaults sizes for the event and PRI queues

- SMMUv2:

  * Support for a new '->probe_finalize' hook, needed by Nvidia

  * Even more Qualcomm compatible strings

  * Avoid Adreno TTBR1 quirk for DB820C platform

- Misc:

  * Trivial cleanups/refactoring

----------------------------------------------------------------
Amey Narkhede (1):
      iommu/arm: Cleanup resources in case of probe error path

Bixuan Cui (1):
      iommu/arm-smmu-v3: Change *array into *const array

Eric Anholt (2):
      iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c.
      arm64: dts: msm8996: Mark the GPU's SMMU as an adreno one.

Jean-Philippe Brucker (4):
      dt-bindings: Document stall property for IOMMU masters
      ACPI/IORT: Enable stall support for platform devices
      iommu/arm-smmu-v3: Add stall support for platform devices
      iommu/arm-smmu-v3: Ratelimit event dump

Martin Botka (1):
      iommu/arm-smmu-qcom: Add sm6125 compatible

Sai Prakash Ranjan (2):
      iommu/arm-smmu-qcom: Add SC7280 SMMU compatible
      iommu/arm-smmu-qcom: Move the adreno smmu specific impl

Shawn Guo (2):
      iommu/arm-smmu-qcom: hook up qcom_smmu_impl for ACPI boot
      iommu/arm-smmu-qcom: Protect acpi_match_platform_list() call with CONFIG_ACPI

Thierry Reding (1):
      iommu/arm-smmu: Implement ->probe_finalize()

Will Deacon (2):
      iommu/arm-smmu: Check smmu->impl pointer before dereferencing
      Merge branch 'for-thierry/arm-smmu' into for-joerg/arm-smmu/updates

Xiyu Yang (2):
      iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails
      iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation

Zhen Lei (2):
      iommu/arm-smmu-v3: Decrease the queue size of evtq and priq
      iommu/arm-smmu-v3: Remove unnecessary oom message

 Documentation/devicetree/bindings/iommu/iommu.txt |  18 ++
 arch/arm64/boot/dts/qcom/msm8996.dtsi             |   2 +-
 drivers/acpi/arm64/iort.c                         |   4 +-
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c   |  59 +++++-
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c       | 222 ++++++++++++++++++++--
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h       |  48 ++++-
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c        |  43 ++++-
 drivers/iommu/arm/arm-smmu/arm-smmu.c             |  38 +++-
 drivers/iommu/arm/arm-smmu/arm-smmu.h             |   1 +
 drivers/iommu/arm/arm-smmu/qcom_iommu.c           |  13 +-
 10 files changed, 409 insertions(+), 39 deletions(-)