Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context | Date | Thu, 7 Jan 2021 14:22:47 +0000 |
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On Tue, 5 Jan 2021 16:50:38 -0800, Bjorn Andersson wrote: > On SM8150 it's occasionally observed that the boot hangs in between the > writing of SMEs and context banks in arm_smmu_device_reset(). > > The problem seems to coincide with a display refresh happening after > updating the stream mapping, but before clearing - and there by > disabling translation - the context bank picked to emulate translation > bypass. > > [...]
Applied to arm64 (for-next/iommu/fixes), thanks!
[1/1] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context https://git.kernel.org/arm64/c/aded8c7c2b72
Cheers, -- Will
https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
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