[PATCH] PCI/P2PDMA: Add AMD Zen 2 root complex to the list of allowed bridges

[Logan Gunthorpe]

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 <log...@deltatee.com>
Cc: Bjorn Helgaas <bhelg...@google.com>
Cc: Christian König <christian.koe...@amd.com>
Cc: Huang Rui <ray.hu...@amd.com>
Cc: Alex Deucher <alexdeuc...@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