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
