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authorAlex Deucher <alexdeucher@gmail.com>2020-04-06 22:42:01 +0300
committerBjorn Helgaas <bhelgaas@google.com>2020-04-23 22:54:51 +0300
commit7d5b10fcb81e511ddf79c1c6b7f6efb282f80680 (patch)
tree37ac7c11648aa55840e858abd1f3e782566447ef /drivers/pci/p2pdma.c
parent8f3d9f354286745c751374f5f1fcafee6b3f3136 (diff)
downloadlinux-7d5b10fcb81e511ddf79c1c6b7f6efb282f80680.tar.xz
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>
Diffstat (limited to 'drivers/pci/p2pdma.c')
-rw-r--r--drivers/pci/p2pdma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index b73b10bce0df..e8e444eeb1cd 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -282,6 +282,8 @@ static const struct pci_p2pdma_whitelist_entry {
} pci_p2pdma_whitelist[] = {
/* AMD ZEN */
{PCI_VENDOR_ID_AMD, 0x1450, 0},
+ {PCI_VENDOR_ID_AMD, 0x15d0, 0},
+ {PCI_VENDOR_ID_AMD, 0x1630, 0},
/* Intel Xeon E5/Core i7 */
{PCI_VENDOR_ID_INTEL, 0x3c00, REQ_SAME_HOST_BRIDGE},