linux-kernel - [PATCH] k10temp support for AMD Ryzen w/ Vega gfx

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Message-Id: <1769691A-DD1D-4641-B7BA-62C1BA571EBF@exactcode.de>
Date:   Mon, 5 Mar 2018 23:38:24 +0100
From:   René Rebe <rene@...ctcode.de>
To:     linux-hwmon@...r.kernel.org
Cc:     Clemens Ladisch <clemens@...isch.de>, linux-kernel@...r.kernel.org
Subject: [PATCH] k10temp support for AMD Ryzen w/ Vega gfx

Hi,

This enables k10temp for the new AMD Ryzen APUs w/ Vega Mobile Gfx.
Tested on Ryzen 5 2500U, the temperature looked plausible.

  Signed-off-by: René Rebe <rene@...ctcode.de>

PS: 1st RFC - might get white-space damaged, will resend when ACKed.
Sorry my Xemacs/Mew broke.

--- linux-4.15/drivers/hwmon/k10temp.c.vanilla	2018-03-05 22:22:30.974331180 +0000
+++ linux-4.15/drivers/hwmon/k10temp.c	2018-03-05 22:24:17.186327291 +0000
@@ -40,6 +40,10 @@
 #define PCI_DEVICE_ID_AMD_17H_DF_F3	0x1463
 #endif
 
+#ifndef PCI_DEVICE_ID_AMD_17H_RR_NB
+#define PCI_DEVICE_ID_AMD_17H_RR_NB	0x15d0
+#endif
+
 /* CPUID function 0x80000001, ebx */
 #define CPUID_PKGTYPE_MASK	0xf0000000
 #define CPUID_PKGTYPE_F		0x00000000
@@ -89,6 +93,8 @@
 	{ 0x17, "AMD Ryzen Threadripper 1950", 10000 },
 	{ 0x17, "AMD Ryzen Threadripper 1920", 10000 },
 	{ 0x17, "AMD Ryzen Threadripper 1910", 10000 },
+	{ 0x17, "AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx", 20000 },
+	{ 0x17, "AMD Ryzen 7 2700U with Radeon Vega Mobile Gfx", 20000 },
 };
 
 static void read_tempreg_pci(struct pci_dev *pdev, u32 *regval)
@@ -289,6 +2944,7 @@
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_RR_NB) },
 	{}
 };
 MODULE_DEVICE_TABLE(pci, k10temp_id_table);

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