[AMD Public Use]
> -Original Message-
> From: Kai-Heng Feng
> Sent: Thursday, July 2, 2020 8:04 AM
> To: Joerg Roedel
> Cc: Deucher, Alexander ;
> iommu@lists.linux-foundation.org; open list
> Subject: [BUG] "Pre-boot DMA Protection" makes AMDGPU st
Hi,
A more detailed bug report can be found at [1].
I have a AMD Renoir system that can't enter graphical session because there are
many IOMMU splat.
Alex suggested to disable "Pre-boot DMA Protection", I can confirm once it's
disabled, AMDGPU starts working with IOMMU enabled.
So raise the is
