Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init

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Subject: Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
From: Konrad Dybcio <konradybcio@xxxxxxxxx>
Date: Wed, 22 Jul 2020 22:11:34 +0200
Cc: Will Deacon <will@xxxxxxxxxx>, skrzynka@xxxxxxxxxxxxxx, Robin Murphy <robin.murphy@xxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Rob Herring <robh+dt@xxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, DTML <devicetree@xxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, John Stultz <john.stultz@xxxxxxxxxx>
In-reply-to: <20200721235650.GN388985@builder.lan>

>Is the problem on SDM630 that when you write to SMR/S2CR the device
>reboots? Or that when you start writing out the context bank
>configuration that trips the display and the device reboots?

I added some debug prints and the phone hangs after reaching the
seventh CB (with i=6) at

arm_smmu_cb_write(smmu, i, ARM_SMMU_CB_FSR, ARM_SMMU_FSR_FAULT);

line in arm_smmu_device_reset.

Konrad

Follow-Ups:
- Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Bjorn Andersson

References:
- [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Konrad Dybcio
- Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Will Deacon
- Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Bjorn Andersson
- Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Konrad Dybcio
- Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Jordan Crouse
- Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Konrad Dybcio
- Re: [PATCH 1/1] iommu/arm-smmu: Implement qcom,skip-init
  - From: Bjorn Andersson

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