On Sat, 12 Jul 2025 17:19:30 +0530, Kaustabh Chakraborty wrote:
> The bootloader configures a reserved memory region for framebuffer,
> which is protected by the IOMMU. The kernel-side driver is oblivious as
> of which memory region is set up by the bootloader. In such case, the
> IOMMU tries to reference the reserved region - which is not reserved in
> the kernel anymore - and it results in an unrecoverable page fault. More
> information about it is provided in [1].
>
> [...]
Applied to iommu (samsung/exynos), thanks!
[1/1] iommu/exynos: add support for reserved regions
https://git.kernel.org/iommu/c/2d70fdd9b5c9
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
