diff options
author | Georgi Djakov <quic_c_gdjako@quicinc.com> | 2024-04-17 06:37:28 -0700 |
---|---|---|
committer | Will Deacon <will@kernel.org> | 2024-04-18 15:48:01 +0100 |
commit | d374555ef993433f4d2e08b700dbd27788427d61 (patch) | |
tree | fe8cd678abbe080023ea66db69cb38cb2afddd50 /drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | |
parent | 960be6e10d4fcb18cfe863e0ceb3213a75eecb81 (diff) |
iommu/arm-smmu-qcom: Use a custom context fault handler for sdm845
The sdm845 platform now supports TBUs, so let's get additional debug
info from the TBUs when a context fault occurs. Implement a custom
context fault handler that does both software + hardware page table
walks and TLB Invalidate All.
Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com>
Link: https://lore.kernel.org/r/20240417133731.2055383-5-quic_c_gdjako@quicinc.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c')
-rw-r--r-- | drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index 5c7cfc51b57c..a901230dbabd 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -422,6 +422,10 @@ static const struct arm_smmu_impl sdm845_smmu_500_impl = { .reset = qcom_sdm845_smmu500_reset, .write_s2cr = qcom_smmu_write_s2cr, .tlb_sync = qcom_smmu_tlb_sync, +#ifdef CONFIG_ARM_SMMU_QCOM_DEBUG + .context_fault = qcom_smmu_context_fault, + .context_fault_needs_threaded_irq = true, +#endif }; static const struct arm_smmu_impl qcom_adreno_smmu_v2_impl = { |