linux-kernel - [PATCH] [v2] hwmon: (k10temp) Add support for Zen5 Ryzen Desktop

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Message-ID: <Z-21SQkZpuWiWK06@archibald.hows.id.au>
Date: Thu, 3 Apr 2025 09:08:09 +1100
From: David Hows <david@...s.id.au>
To: Clemens Ladisch <clemens@...isch.de>, Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>, linux-hwmon@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [v2] hwmon: (k10temp) Add support for Zen5 Ryzen Desktop

Add support for retrieving CCD temperatures on Zen5 Desktop CPUs

Signed-off-by: David Hows <david@...s.id.au>
---
 drivers/hwmon/k10temp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 3685906cc57c..96a76f3359eb 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -503,6 +503,13 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			k10temp_get_ccd_support(data, 12);
 			break;
 		}
+	} else if (boot_cpu_data.x86 == 0x1a) {
+		switch (boot_cpu_data.x86_model) {
+		case 0x40 ... 0x4f:	/* Zen5 Ryzen Desktop*/
+			data->ccd_offset = 0x308;
+			k10temp_get_ccd_support(data, 8);
+			break;
+		}
 	}
 
 	for (i = 0; i < ARRAY_SIZE(tctl_offset_table); i++) {
-- 
2.49.0