Messages in this thread | | | Date | Mon, 2 Dec 2019 09:00:11 -0800 | From | Christoph Hellwig <> | Subject | Re: [PATCH v2] iommu/amd: Disable IOMMU on Stoney Ridge systems |
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On Fri, Nov 29, 2019 at 10:21:54PM +0800, Kai-Heng Feng wrote: > Serious screen flickering when Stoney Ridge outputs to a 4K monitor. > > According to Alex Deucher, IOMMU isn't enabled on Windows, so let's do > the same here to avoid screen flickering on 4K monitor.
Disabling the IOMMU entirely seem pretty severe. Isn't it enough to identity map the GPU device?
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