Help: Samsung Exynos 7870 DECON SYSMMU panic

[Kaustabh Chakraborty]

On 2025-06-18 14:02, Kaustabh Chakraborty wrote:
> Since bcb81ac6ae3c (iommu: Get DT/ACPI parsing into the proper probe 
> path),
> The Samsung Exynos 7870 DECON device (with patches [1], [2], and [3]) 
> seems
> to not work anymore. Upon closer inspection, I observe that there is an
> IOMMU crash.
> 
> [...]
> 
> -		dev->bus->dma_configure(dev);
> +		if (!strcmp(dev_name(dev), "14830000.decon"))
s/!//