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Subject[PATCH] PCI/P2PDMA: Add AMD Zen 2 root complex to the list of allowed bridges
The AMD Zen 2 root complex (Starship/Matisse) was tested for P2PDMA
transactions between root ports and found to work. Therefore add it
to the list.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
---
drivers/pci/p2pdma.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index e8e444eeb1cd..3d67a1ee083e 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -284,6 +284,8 @@ static const struct pci_p2pdma_whitelist_entry {
{PCI_VENDOR_ID_AMD, 0x1450, 0},
{PCI_VENDOR_ID_AMD, 0x15d0, 0},
{PCI_VENDOR_ID_AMD, 0x1630, 0},
+ /* AMD ZEN 2 */
+ {PCI_VENDOR_ID_AMD, 0x1480, 0},

/* Intel Xeon E5/Core i7 */
{PCI_VENDOR_ID_INTEL, 0x3c00, REQ_SAME_HOST_BRIDGE},
base-commit: ba47d845d715a010f7b51f6f89bae32845e6acb7
--
2.20.1

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