From: Vasant Hegde <vasant.hegde@amd.com>
To: <iommu@lists.linux.dev>, <joro@8bytes.org>, <linux-pci@vger.kernel.org>
Cc: <will@kernel.org>, <robin.murphy@arm.com>,
<suravee.suthikulpanit@amd.com>, <bhelgaas@google.com>,
<alexander.deucher@amd.com>, <mario.limonciello@amd.com>,
<jgg@ziepe.ca>, Vasant Hegde <vasant.hegde@amd.com>
Subject: [PATCH 1/2] PCI: Mark Radeon Pro WX 4100 ATS as broken
Date: Thu, 23 Jul 2026 06:15:47 +0000 [thread overview]
Message-ID: <20260723061548.10187-2-vasant.hegde@amd.com> (raw)
In-Reply-To: <20260723061548.10187-1-vasant.hegde@amd.com>
If ATS is enabled then IOMMU logs below error and GPU fails to
initialize.
[ 103.687137] iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT device=0000:c4:00.0 address=0x1080006060]
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-pci@vger.kernel.org
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
---
drivers/pci/quirks.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b09f27f7846f..d55657347d88 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5686,6 +5686,8 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7340, quirk_amd_harvest_no_ats);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7341, quirk_amd_harvest_no_ats);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7347, quirk_amd_harvest_no_ats);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x734f, quirk_amd_harvest_no_ats);
+/* Radeon Pro WX 4100 */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x67e3, quirk_amd_harvest_no_ats);
/* AMD Raven platform iGPU */
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x15d8, quirk_amd_harvest_no_ats);
--
2.31.1
next prev parent reply other threads:[~2026-07-23 6:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-23 6:15 [PATCH 0/2] iommu/amd: Fix default domain selection for PASID-capable devices Vasant Hegde
2026-07-23 6:15 ` Vasant Hegde [this message]
2026-07-23 6:21 ` [PATCH 1/2] PCI: Mark Radeon Pro WX 4100 ATS as broken sashiko-bot
2026-07-23 15:42 ` Bjorn Helgaas
2026-07-23 15:45 ` Mario Limonciello
2026-07-23 16:51 ` Vasant Hegde
2026-07-23 6:15 ` [PATCH 2/2] iommu/amd: Force identity mode for selected GPUs only Vasant Hegde
2026-07-23 6:25 ` sashiko-bot
2026-07-23 15:53 ` Ankit Soni
2026-07-23 16:29 ` Vasant Hegde
2026-07-23 15:59 ` Bjorn Helgaas
2026-07-23 16:11 ` Mario Limonciello
2026-07-23 16:23 ` Vasant Hegde
2026-07-23 16:32 ` Mario Limonciello
2026-07-23 16:55 ` Vasant Hegde
2026-07-23 19:53 ` Bjorn Helgaas
2026-07-23 19:58 ` Mario Limonciello
2026-07-23 21:02 ` Bjorn Helgaas
2026-07-23 16:33 ` Vasant Hegde
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