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Date:   Mon, 14 Feb 2022 12:27:05 +0100
From:   Joerg Roedel <joro@8bytes.org>
To:     Jason Gunthorpe <jgg@nvidia.com>
Cc:     Lu Baolu <baolu.lu@linux.intel.com>,
        Alex Williamson <alex.williamson@redhat.com>,
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Subject: Re: [PATCH v1 5/8] iommu/amd: Use iommu_attach/detach_device()
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 <20220106143345.GC2328285@nvidia.com>
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On Thu, Jan 06, 2022 at 10:33:45AM -0400, Jason Gunthorpe wrote:
> But I'm not sure how this can work with multi-device groups - this
> seems to assigns a domain setup for direct map, so perhaps this only
> works if all devices are setup for direct map?

Right, at boot all devices in this group are already setup for using a
direct map. There are usually two devices in those groups, the GPU
itself and the sound device for HDMI sound output.

Regards,

	Joerg