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From: David Hows <david@hows.id.au>
To: Clemens Ladisch <clemens@ladisch.de>,
	Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH]hwmon: (k10temp) Add support for Zen5 Ryzen Desktop
Date: Fri, 28 Mar 2025 11:37:57 +1100	[thread overview]
Message-ID: <Z-XvZRmVXMNHgi3e@archibald.hows.id.au> (raw)

Add support for retrieving CCD temperatures on Granite Ridge Ryzen Desktop CPUs

Tested locally against my 9950X3D CPU.
---
 drivers/hwmon/k10temp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index d0b4cc9a5011..cc2ad7a324f9 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -502,6 +502,13 @@ 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


             reply	other threads:[~2025-03-28  0:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-28  0:37 David Hows [this message]
2025-03-31 13:55 ` [PATCH]hwmon: (k10temp) Add support for Zen5 Ryzen Desktop Guenter Roeck
  -- strict thread matches above, loose matches on Subject: below --
2025-03-27 23:17 David Hows
2025-03-27 23:49 ` Guenter Roeck

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