[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 <logang@xxxxxxxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Christian KÃnig <christian.koenig@xxxxxxx>
Cc: Huang Rui <ray.huang@xxxxxxx>
Cc: Alex Deucher <alexdeucher@xxxxxxxxx>
---
 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