[PATCH] PCI/P2PDMA: Add additional AMD ZEN root ports to the whitelist

[Christian König]

Am 03.04.20 um 21:38 schrieb Alex Deucher:
> According to the hw 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).
>
> Cc: Christian König <christian.koenig at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Acked-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/pci/p2pdma.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
> index 9a8a38384121..91a4c987399d 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},