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Date:   Tue, 10 Jan 2023 10:05:44 -0500
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Subject: =?UTF-8?Q?Re=3a_=5bregression=2c_bisected=2c_pci/iommu=5d_Bug=c2=a0?=
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To:     =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>,
        Jason Gunthorpe <jgg@nvidia.com>,
        Baolu Lu <baolu.lu@linux.intel.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc:     Joerg Roedel <jroedel@suse.de>,
        "regressions@lists.linux.dev" <regressions@lists.linux.dev>,
        Thorsten Leemhuis <regressions@leemhuis.info>,
        Linux PCI <linux-pci@vger.kernel.org>,
        Vasant Hegde <vasant.hegde@amd.com>,
        amd-gfx@lists.freedesktop.org, LKML <linux-kernel@vger.kernel.org>,
        "iommu@lists.linux.dev" <iommu@lists.linux.dev>,
        Matt Fagnani <matt.fagnani@bell.net>,
        Bjorn Helgaas <bhelgaas@google.com>
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 <Y71nZuF5wQp3eqmn@nvidia.com> <2d1b2183-7e93-f8a5-3c74-8f66824bc8f2@amd.com>
From:   Felix Kuehling <felix.kuehling@amd.com>
In-Reply-To: <2d1b2183-7e93-f8a5-3c74-8f66824bc8f2@amd.com>
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Am 2023-01-10 um 08:45 schrieb Christian König:
> And I'm like 99% sure that Kabini/Wani should be identical to that. 

Kabini is not supported by KFD. There should be no calls to 
amd_iommu_... functions on Kabini, at least not from kfd_iommu.c. And 
I'm not aware of any other callers in amdgpu.ko.

Regards,
   Felix