Re: [PATCH v10 04/13] iommu/arm-smmu-qcom: Add implementation for the adreno GPU SMMU

2020-07-27 Thread Jordan Crouse
On Sun, Jul 26, 2020 at 11:27:03PM -0700, Bjorn Andersson wrote: > On Mon 20 Jul 08:40 PDT 2020, Jordan Crouse wrote: > > diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c > [..] > > +static int qcom_adreno_smmu_alloc_context_bank(struct arm_smmu_domain > > *smmu_domain, >

Re: [PATCH v10 04/13] iommu/arm-smmu-qcom: Add implementation for the adreno GPU SMMU

2020-07-26 Thread Bjorn Andersson
On Mon 20 Jul 08:40 PDT 2020, Jordan Crouse wrote: > diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c [..] > +static int qcom_adreno_smmu_alloc_context_bank(struct arm_smmu_domain > *smmu_domain, > + struct device *dev, int start, int count) > +{ > + struc

[PATCH v10 04/13] iommu/arm-smmu-qcom: Add implementation for the adreno GPU SMMU

2020-07-20 Thread Jordan Crouse
Add a special implementation for the SMMU attached to most Adreno GPU target triggered from the qcom,adreno-smmu compatible string. The new Adreno SMMU implementation will enable split pagetables (TTBR1) for the domain attached to the GPU device (SID 0) and hard code it context bank 0 so the GPU h