D60138.id188518.diff
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D60138.id188518.diff
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	diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
	--- a/sys/compat/linuxkpi/common/include/linux/pci.h
	+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
	@@ -403,6 +403,17 @@
	static inline bool
	dev_is_pci(struct device *dev)
	{
	+ device_t parent = device_get_parent(dev->bsddev);
	+
	+ if (parent == NULL)
	+ return (false);
	+ /*
	+ * drmn driver is attached to PCI bus via intermediate vgapci
	+ * driver. Check for it presence in device tree branch too to
	+ * handle drm-kmod cases.
	+ */
	+ if (device_get_devclass(parent) == devclass_find("vgapci"))
	+ return (true);
	return (is_pci_device(dev->bsddev));
	}