[PATCH v11 6/9] iommu/arm-smmu-v3: Add ARM_SMMU_OPT_SECONDARY_CMDQ_CS_NONE_ONLY

Jason Gunthorpe jgg at nvidia.com
Wed Aug 14 10:31:29 PDT 2024


On Tue, Aug 06, 2024 at 07:11:51PM -0700, Nicolin Chen wrote:
> The CMDQV extension in NVIDIA Tegra241 SoC only supports CS_NONE in the
> CS field of CMD_SYNC. Add a new SMMU option to accommodate that.
> 
> Suggested-by: Will Deacon <will at kernel.org>
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 17 ++++++++++++++++-
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h |  9 +++++----
>  2 files changed, 21 insertions(+), 5 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason



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