This was tested, and produces sensible values (numbers go up) on:

cpu0: AMD Ryzen 7 PRO 8700GE w/ Radeon 780M Graphics, 3650.01 MHz,
19-75-02, patch 0a705205

ok?

-Bryan.

Index: ksmn.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/ksmn.c,v
diff -u -p -u -r1.9 ksmn.c
--- sys/dev/pci/ksmn.c	5 Sep 2023 13:06:01 -0000	1.9
+++ sys/dev/pci/ksmn.c	7 Aug 2024 14:59:28 -0000
@@ -107,6 +107,7 @@ static const struct pci_matchid ksmn_dev
 	{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_17_6X_RC },
 	{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_19_4X_RC },
 	{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_19_6X_RC },
+	{ PCI_VENDOR_AMD, PCI_PRODUCT_AMD_19_7X_RC },
 };
 
 int