PCI: Mark AMD Navi14 GPU ATS as broken

Observed unexpected GPU hang during runpm stress test on 0x7341 rev 0x00.
Further debugging shows broken ATS is related.

Disable ATS on this part.  Similar issues on other devices:

  a2da5d8cc0b0 ("PCI: Mark AMD Raven iGPU ATS as broken in some platforms")
  45beb31d3afb ("PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken")
  5e89cd303e3a ("PCI: Mark AMD Navi14 GPU rev 0xc5 ATS as broken")

Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20210602021255.939090-1-evan.quan@amd.com
Signed-off-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index dda0b10..877ce61 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5241,7 +5241,8 @@ 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 == 0x7312 && pdev->revision != 0x00) ||
-           (pdev->device == 0x7340 && pdev->revision != 0xc5))
+           (pdev->device == 0x7340 && pdev->revision != 0xc5) ||
+           (pdev->device == 0x7341 && pdev->revision != 0x00))
                return;
 
        if (pdev->device == 0x15d8) {
@@ -5268,6 +5269,7 @@ 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);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7341, 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 */