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authorKai-Heng Feng <kai.heng.feng@canonical.com>2020-07-28 18:45:53 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-08-21 13:07:17 +0200
commitc71c41cdaeabc1bd120426daf6bb0f6e840eb66c (patch)
tree2e407dc078db4fca830b880a82f42b76e255fc59
parent91944d34c5179616e799685b5af31bca721f48df (diff)
PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken
commit 45beb31d3afb651bb5c41897e46bd4fa9980c51c upstream. We are seeing AMD Radeon Pro W5700 doesn't work when IOMMU is enabled: iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT device=63:00.0 address=0x42b5b01a0] iommu ivhd0: AMD-Vi: Event logged [IOTLB_INV_TIMEOUT device=63:00.0 address=0x42b5b01c0] The error also makes graphics driver fail to probe the device. It appears to be the same issue as commit 5e89cd303e3a ("PCI: Mark AMD Navi14 GPU rev 0xc5 ATS as broken") addresses, and indeed the same ATS quirk can workaround the issue. See-also: 5e89cd303e3a ("PCI: Mark AMD Navi14 GPU rev 0xc5 ATS as broken") See-also: d28ca864c493 ("PCI: Mark AMD Stoney Radeon R7 GPU ATS as broken") See-also: 9b44b0b09dec ("PCI: Mark AMD Stoney GPU ATS as broken") Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=208725 Link: https://lore.kernel.org/r/20200728104554.28927-1-kai.heng.feng@canonical.com Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/pci/quirks.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 5622603d96d4..136d25acff56 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5207,7 +5207,8 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
*/
static void quirk_amd_harvest_no_ats(struct pci_dev *pdev)
{
- if (pdev->device == 0x7340 && pdev->revision != 0xc5)
+ if ((pdev->device == 0x7312 && pdev->revision != 0x00) ||
+ (pdev->device == 0x7340 && pdev->revision != 0xc5))
return;
pci_info(pdev, "disabling ATS\n");
@@ -5218,6 +5219,8 @@ static void quirk_amd_harvest_no_ats(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_amd_harvest_no_ats);
/* AMD Iceland dGPU */
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_amd_harvest_no_ats);
+/* AMD Navi10 dGPU */
+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);
#endif /* CONFIG_PCI_ATS */