Re: [PATCH]hwmon: (k10temp) Add support for Zen5 Ryzen Desktop

From: Guenter Roeck
Date: Mon Mar 31 2025 - 09:55:18 EST


On 3/27/25 17:37, David Hows wrote:
Add support for retrieving CCD temperatures on Granite Ridge Ryzen Desktop CPUs

Tested locally against my 9950X3D CPU.

checkpatch:

WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?)
#50:
Add support for retrieving CCD temperatures on Granite Ridge Ryzen Desktop CPUs

ERROR: Missing Signed-off-by: line(s)

---
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++) {