[Bug 290997] [vmm]: PCI passthrough on AMD Ryzen 8700G not supported yet? (Variable size IVHD type 0xf0 not supported)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290997

--- Comment #7 from Nils Beyer <nbe@vkf-renzel.de> ---
(In reply to Mark Johnston from comment #6)

okay, I've tried that in a dumb way:
----------------------------- SNIP -----------------------------
diff --git a/usr.sbin/bhyve/amd64/pci_gvt-d.c
b/usr.sbin/bhyve/amd64/pci_gvt-d.c
index 0ea53689f2b2..7d058f4b51a1 100644
--- a/usr.sbin/bhyve/amd64/pci_gvt-d.c
+++ b/usr.sbin/bhyve/amd64/pci_gvt-d.c
@@ -187,6 +187,7 @@ static const struct igd_device igd_devices[] = {
        INTEL_RPLS_IDS(IGD_DEVICE, &igd_ops_gen11),
        INTEL_RPLU_IDS(IGD_DEVICE, &igd_ops_gen11),
        INTEL_RPLP_IDS(IGD_DEVICE, &igd_ops_gen11),
+       INTEL_BMG_IDS(IGD_DEVICE, &igd_ops_gen11),
 };

 static const struct igd_ops *
----------------------------- SNIP -----------------------------


Didn't work - status 4 still, other messages this time though:
----------------------------- SNIP -----------------------------
bhyve: Warning: Unable to reuse host address of Graphics Stolen Memory. GPU
passthrough might not work properly.
bhyve: gvt_d_setup_opregion: Invalid OpRegion signature
bhyve: gvt_d_init: Unable to setup OpRegion
Device emulation initialization error: Invalid argument
----------------------------- SNIP -----------------------------


If there is anything I can try or if you have any experimental code, I'm more
than willingly to try that...

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