Re: [PATCH v5 4/5] iommu/arm-smmu-qcom: Add stall support

2021-06-14 Thread Bjorn Andersson
On Thu 10 Jun 16:44 CDT 2021, Rob Clark wrote: > From: Rob Clark > > Add, via the adreno-smmu-priv interface, a way for the GPU to request > the SMMU to stall translation on faults, and then later resume the > translation, either retrying or terminating the current translation. > > This will

Re: [PATCH v5 4/5] iommu/arm-smmu-qcom: Add stall support

2021-06-11 Thread Jordan Crouse
On Thu, Jun 10, 2021 at 02:44:12PM -0700, Rob Clark wrote: > From: Rob Clark > > Add, via the adreno-smmu-priv interface, a way for the GPU to request > the SMMU to stall translation on faults, and then later resume the > translation, either retrying or terminating the current translation. > >

[PATCH v5 4/5] iommu/arm-smmu-qcom: Add stall support

2021-06-10 Thread Rob Clark
From: Rob Clark Add, via the adreno-smmu-priv interface, a way for the GPU to request the SMMU to stall translation on faults, and then later resume the translation, either retrying or terminating the current translation. This will be used on the GPU side to "freeze" the GPU while we snapshot