From: Will Deacon <will@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org,
Will Deacon <will@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Alex Deucher <alexander.deucher@amd.com>,
Edgar Merger <Edgar.Merger@emerson.com>,
Joerg Roedel <jroedel@suse.de>
Subject: [PATCH] PCI: Mark AMD Raven iGPU ATS as broken
Date: Mon, 23 Nov 2020 13:44:10 +0000 [thread overview]
Message-ID: <20201123134410.10648-1-will@kernel.org> (raw)
Edgar Merger reports that the AMD Raven GPU does not work reliably on
his system when the IOMMU is enabled:
| [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, signaled seq=1, emitted seq=3
| [...]
| amdgpu 0000:0b:00.0: GPU reset begin!
| AMD-Vi: Completion-Wait loop timed out
| iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT device=0b:00.0 address=0x38edc0970]
This is indicative of a hardware/platform configuration issue so, since
disabling ATS has been shown to resolve the problem, add a quirk to
match this particular device while Edgar follows-up with AMD for more
information.
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reported-by: Edgar Merger <Edgar.Merger@emerson.com>
Suggested-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/linux-iommu/MWHPR10MB1310F042A30661D4158520B589FC0@MWHPR10MB1310.namprd10.prod.outlook.com
Signed-off-by: Will Deacon <will@kernel.org>
---
Hi all,
Since Joerg is away at the moment, I'm posting this to try to make some
progress with the thread in the Link: tag.
Cheers,
Will
drivers/pci/quirks.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index f70692ac79c5..3911b0ec57ba 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5176,6 +5176,8 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_amd_harvest_no_ats);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7312, quirk_amd_harvest_no_ats);
/* AMD Navi14 dGPU */
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7340, quirk_amd_harvest_no_ats);
+/* AMD Raven platform iGPU */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x15d8, quirk_amd_harvest_no_ats);
#endif /* CONFIG_PCI_ATS */
/* Freescale PCIe doesn't support MSI in RC mode */
--
2.29.2.454.gaff20da3a2-goog
next reply other threads:[~2020-11-23 13:44 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-23 13:44 Will Deacon [this message]
2020-11-23 21:04 ` [PATCH] PCI: Mark AMD Raven iGPU ATS as broken Deucher, Alexander
2020-11-23 22:33 ` Will Deacon
2020-11-23 22:51 ` Felix Kuehling
2020-11-24 6:43 ` Huang Rui
2020-11-24 7:28 ` [EXTERNAL] " Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-24 15:05 ` Deucher, Alexander
2020-11-25 6:05 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-25 9:16 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-25 10:03 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-25 16:07 ` Deucher, Alexander
2020-11-26 9:24 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-30 18:36 ` Deucher, Alexander
2020-12-07 4:53 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-12-08 8:23 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-12-09 7:59 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-12-09 14:23 ` Deucher, Alexander
2020-12-10 10:48 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-12-10 15:36 ` Deucher, Alexander
2020-12-10 16:25 ` Bjorn Helgaas
2020-11-24 5:32 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
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