Graphics workaround for AMD IOMMU systems

[Chris Wright]

* Duran, Leo (leo.duran at amd.com) wrote:
> How about just "fixing" the ill-behaved drivers?

Unclear that's realistic given the proprietary nature of most of the
broken drivers.  Of course, we can just let them be broken, and it
becomes their problem to properly use the dma api.  But the IO page
faults could at least help a user know who is at fault.

thanks,
-chris