From: "jroedel@suse.de" <jroedel@suse.de>
To: "Merger, Edgar [AUTOSOL/MAS/AUGS]" <Edgar.Merger@emerson.com>
Cc: "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>
Subject: Re: [EXTERNAL] Re: amdgpu error whenever IOMMU is enabled
Date: Fri, 6 Nov 2020 15:06:25 +0100 [thread overview]
Message-ID: <20201106140625.GU22179@suse.de> (raw)
In-Reply-To: <MWHPR10MB1310A315F2AB752DC789D4E689ED0@MWHPR10MB1310.namprd10.prod.outlook.com>
On Fri, Nov 06, 2020 at 01:03:22PM +0000, Merger, Edgar [AUTOSOL/MAS/AUGS] wrote:
> Thank you. I do think that this is the GPU. Would you please elaborate
> on what that quirk would be?
The GPU seems to have broken ATS, or require driver setup to make ATS
work. Anyhow, ATS is unstable for Linux to use, so it must not be
enabled.
This diff to the kernel should do that:
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 */
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next prev parent reply other threads:[~2020-11-06 14:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-30 14:26 amdgpu error whenever IOMMU is enabled Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-03 9:21 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-04 8:53 ` jroedel
2020-11-04 9:21 ` [EXTERNAL] " Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-04 10:14 ` jroedel
2020-11-04 14:19 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-04 14:35 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-05 11:15 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-05 11:58 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-05 12:32 ` jroedel
2020-11-06 5:51 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-06 12:18 ` jroedel
2020-11-06 13:03 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-06 14:06 ` jroedel [this message]
2020-11-06 14:28 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-06 14:32 ` jroedel
2020-11-09 5:33 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2020-11-23 6:41 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
2021-01-15 8:18 ` jroedel
2021-01-15 13:15 ` Merger, Edgar [AUTOSOL/MAS/AUGS]
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