dnl #
dnl # commit c6bde215acfd637708142ae671843b6f0eadbc6d
dnl # Author: Bjorn Helgaas <bhelgaas@google.com>
dnl # Date:   Wed Nov 6 10:11:48 2013 -0700
dnl # PCI: Add pci_upstream_bridge()
dnl #
AC_DEFUN([AC_AMDGPU_PCI_UPSTREAM_BRIDGE],
	[AC_MSG_CHECKING([whether pci_upstream_bridge() is available])
	AC_KERNEL_TRY_COMPILE([
		#include <linux/pci.h>
	],[
		pci_upstream_bridge(NULL);
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_PCI_UPSTREAM_BRIDGE, 1, [pci_upstream_bridge() is available])
	],[
		AC_MSG_RESULT(no)
	])
])