[Bug 198883] amdgpu: carrizo: Screen stalls after starting X

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=198883

--- Comment #66 from Andrey Grodzovsky (andrey.grodzovsky at amd.com) ---
(In reply to Ricardo Ribalda from comment #65)
> Hi
> 
> IOMMU is disabled:
> 
> root at qt5122:~# ls /sys/class/iommu
> ls: cannot access '/sys/class/iommu': No such file or directory
> root at qt5122:~# dmesg | grep -i iommu
> root at qt5122:~#

To be sure, is it disabled in BIOS ?

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