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| author |   Alex Deucher <alexdeucher@gmail.com> | 2020-04-06 15:42:01 -0400 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2020-04-23 14:54:51 -0500 |
| commit | 7d5b10fcb81e511ddf79c1c6b7f6efb282f80680 (patch) | |
| tree | 37ac7c11648aa55840e858abd1f3e782566447ef /drivers/pci/p2pdma.c | |
| parent | Linux 5.7-rc1 (diff) | |
| download | linux-dev-7d5b10fcb81e511ddf79c1c6b7f6efb282f80680.tar.xz linux-dev-7d5b10fcb81e511ddf79c1c6b7f6efb282f80680.zip | |
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.c | 2 |
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}, |