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PCI/P2PDMA: Add AMD Zen Raven and Renoir Root Ports to whitelist 

According to the hardware architect, pre-Zen parts support p2p writes and
Zen parts support both p2p reads and writes.

Add entries for Zen parts Raven (0x15d0) and Renoir (0x1630).

Link: https://lore.kernel.org/r/20200406194201.846411-1-alexander.deucher@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
This commit is contained in:
Alex Deucher 2020-04-06 15:42:01 -04:00 committed by Bjorn Helgaas
parent 8f3d9f3542
commit 7d5b10fcb8
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/p2pdma.c
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@ -282,6 +282,8 @@ static const struct pci_p2pdma_whitelist_entry {
} pci_p2pdma_whitelist[] = { } pci_p2pdma_whitelist[] = {
/* AMD ZEN */ /* AMD ZEN */
{PCI_VENDOR_ID_AMD, 0x1450, 0}, {PCI_VENDOR_ID_AMD, 0x1450, 0},
{PCI_VENDOR_ID_AMD, 0x15d0, 0},
{PCI_VENDOR_ID_AMD, 0x1630, 0},
/* Intel Xeon E5/Core i7 */ /* Intel Xeon E5/Core i7 */
{PCI_VENDOR_ID_INTEL, 0x3c00, REQ_SAME_HOST_BRIDGE}, {PCI_VENDOR_ID_INTEL, 0x3c00, REQ_SAME_HOST_BRIDGE},