[PATCH 00/20] iommu: Make default_domain's mandatory

[Heiko Stübner]

Am Montag, 1. Mai 2023, 20:02:44 CEST schrieb Jason Gunthorpe:
> Jason Gunthorpe (20):
>   iommu: Add IOMMU_DOMAIN_PLATFORM
>   iommu/terga-gart: Replace set_platform_dma_ops() with
>     IOMMU_DOMAIN_PLATFORM
>   iommu/s390: Replace set_platform_dma_ops() with IOMMU_DOMAIN_PLATFORM
>   iommu/fsl_pamu: Replace set_platform_dma_ops() with
>     IOMMU_DOMAIN_PLATFORM
>   iommu: Allow an IDENTITY domain as the default_domain in ARM32
>   iommu/exynos: Implement an IDENTITY domain
>   iommu/tegra-smmu: Implement an IDENTITY domain
>   iommu/tegra-smmu: Support DMA domains in tegra
>   iommu/omap: Implement an IDENTITY domain
>   iommu/msm: Implement an IDENTITY domain
>   iommu/mtk_iommu_v1: Implement an IDENTITY domain
>   iommu: Remove ops->set_platform_dma_ops()
>   iommu/qcom_iommu: Add an IOMMU_IDENTITIY_DOMAIN
>   iommu/ipmmu: Add an IOMMU_IDENTITIY_DOMAIN
>   iommu/mtk_iommu: Add an IOMMU_IDENTITIY_DOMAIN
>   iommu/sun50i: Add an IOMMU_IDENTITIY_DOMAIN
>   iommu: Require a default_domain for all iommu drivers
>   iommu: Add ops->domain_alloc_paging()
>   iommu: Convert simple drivers with DOMAIN_DMA to domain_alloc_paging()
>   iommu: Convert remaining simple drivers to domain_alloc_paging()

Also needs an update for Greg's
b18d0a0f92a8 ("iommu: make the pointer to struct bus_type constant")

With that fixed, both my rk3288-pinky (arm32) and px30-minievb (arm64)
Rockchip boards keep their display working before and after applying this
series (on top of the previous), so


Tested-by: Heiko Stuebner <heiko at sntech.de>