Re: [PATCH 1/2] x86/amd_nb: Add AMD Family 19h A0-AF IDs

From: Guenter Roeck <linux@roeck-us.net>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: "Clemens Ladisch" <clemens@ladisch.de>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Borislav Petkov" <bp@alien8.de>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
	<x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Yazen Ghannam" <yazen.ghannam@amd.com>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
	<linux-kernel@vger.kernel.org>,
	"open list:PCI SUBSYSTEM" <linux-pci@vger.kernel.org>,
	linux-hwmon@vger.kernel.org,
	"Gabriel Craciunescu" <nix.or.die@googlemail.com>,
	babu.moger@amd.com
Subject: Re: [PATCH 1/2] x86/amd_nb: Add AMD Family 19h A0-AF IDs
Date: Tue, 7 Jun 2022 05:56:33 -0700	[thread overview]
Message-ID: <20220607125633.GA1787169@roeck-us.net> (raw)
In-Reply-To: <20220601172121.18612-1-mario.limonciello@amd.com>

On Wed, Jun 01, 2022 at 12:21:18PM -0500, Mario Limonciello wrote:
> commit 4fb0abfee424 ("x86/amd_nb: Add AMD Family 19h Models (10h-1Fh)
> and (A0h-AFh) PCI IDs") had claimed to add the IDs for models A0h-AFh,
> but it appears to only have added the models 10h-1Fh.
> 
> Add the actual IDs for A0-AF which are needed for SMN communication to
> work properly in amd_nb.
> 
> Fixes: 4fb0abfee424 ("x86/amd_nb: Add AMD Family 19h Models (10h-1Fh) and (A0h-AFh) PCI IDs")
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> ---
>  arch/x86/kernel/amd_nb.c | 5 +++++

I'll need an Ack from a x86 maintainer to apply this series,
or it needs to be applied through x86. I sent an Ack for patch 2/2,
so the latter would be fine with me.

Thanks,
Guenter

>  include/linux/pci_ids.h  | 1 +
>  2 files changed, 6 insertions(+)
> 
> diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
> index 190e0f763375..cc8c7cfa9068 100644
> --- a/arch/x86/kernel/amd_nb.c
> +++ b/arch/x86/kernel/amd_nb.c
> @@ -25,11 +25,13 @@
>  #define PCI_DEVICE_ID_AMD_17H_M30H_DF_F4 0x1494
>  #define PCI_DEVICE_ID_AMD_17H_M60H_DF_F4 0x144c
>  #define PCI_DEVICE_ID_AMD_17H_M70H_DF_F4 0x1444
> +#define PCI_DEVICE_ID_AMD_19H_MA0H_ROOT	0x14b5
>  #define PCI_DEVICE_ID_AMD_19H_DF_F4	0x1654
>  #define PCI_DEVICE_ID_AMD_19H_M10H_DF_F4 0x14b1
>  #define PCI_DEVICE_ID_AMD_19H_M40H_ROOT	0x14b5
>  #define PCI_DEVICE_ID_AMD_19H_M40H_DF_F4 0x167d
>  #define PCI_DEVICE_ID_AMD_19H_M50H_DF_F4 0x166e
> +#define PCI_DEVICE_ID_AMD_19H_MA0H_DF_F4 0x1728
>  
>  /* Protect the PCI config register pairs used for SMN. */
>  static DEFINE_MUTEX(smn_mutex);
> @@ -43,6 +45,7 @@ static const struct pci_device_id amd_root_ids[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M60H_ROOT) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M10H_ROOT) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_ROOT) },
> +	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_MA0H_ROOT) },
>  	{}
>  };
>  
> @@ -67,6 +70,7 @@ static const struct pci_device_id amd_nb_misc_ids[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M10H_DF_F3) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F3) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F3) },
> +	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_MA0H_DF_F3) },
>  	{}
>  };
>  
> @@ -85,6 +89,7 @@ static const struct pci_device_id amd_nb_link_ids[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M10H_DF_F4) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F4) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F4) },
> +	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_MA0H_DF_F4) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F4) },
>  	{}
>  };
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 0178823ce8c2..05b4c67a8a2a 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -560,6 +560,7 @@
>  #define PCI_DEVICE_ID_AMD_19H_M10H_DF_F3 0x14b0
>  #define PCI_DEVICE_ID_AMD_19H_M40H_DF_F3 0x167c
>  #define PCI_DEVICE_ID_AMD_19H_M50H_DF_F3 0x166d
> +#define PCI_DEVICE_ID_AMD_19H_MA0H_DF_F3 0x1727
>  #define PCI_DEVICE_ID_AMD_CNB17H_F3	0x1703
>  #define PCI_DEVICE_ID_AMD_LANCE		0x2000
>  #define PCI_DEVICE_ID_AMD_LANCE_HOME	0x2001