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

[Huang Rui <ray.huang@xxxxxxx>]

On Mon, Apr 06, 2020 at 03:42:01PM -0400, Alex Deucher wrote:
> 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@xxxxxxx>
> Acked-by: Christian König <christian.koenig@xxxxxxx>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>

Acked-by: Huang Rui <ray.huang@xxxxxxx>

> ---
>  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},
> -- 
> 2.25.1
> 
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