[src/trunk]: src/sys/external/bsd/drm2/linux Use pci_get_segment if available

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3167421c9d34
branches:  trunk
changeset: 848112:3167421c9d34
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Jan 18 02:59:42 2020 +0000

description:
Use pci_get_segment if available

diffstat:

 sys/external/bsd/drm2/linux/linux_pci.c |  15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diffs (37 lines):

diff -r 93957f756b9c -r 3167421c9d34 sys/external/bsd/drm2/linux/linux_pci.c
--- a/sys/external/bsd/drm2/linux/linux_pci.c   Sat Jan 18 02:42:23 2020 +0000
+++ b/sys/external/bsd/drm2/linux/linux_pci.c   Sat Jan 18 02:59:42 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_pci.c,v 1.6 2018/08/28 03:41:39 riastradh Exp $  */
+/*     $NetBSD: linux_pci.c,v 1.7 2020/01/18 02:59:42 jmcneill Exp $   */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -29,8 +29,12 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifdef _KERNEL_OPT
+#include "opt_pci.h"
+#endif
+
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_pci.c,v 1.6 2018/08/28 03:41:39 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_pci.c,v 1.7 2020/01/18 02:59:42 jmcneill Exp $");
 
 #include <linux/pci.h>
 
@@ -66,7 +70,12 @@
        pdev->pd_rom_vaddr = NULL;
        pdev->pd_dev = dev;
 #if (NACPICA > 0)
-       pdev->pd_ad = acpi_pcidev_find(0 /*XXX segment*/, pa->pa_bus,
+#ifdef __HAVE_PCI_GET_SEGMENT
+       const int seg = pci_get_segment(pa->pa_pc);
+#else
+       const int seg = 0;
+#endif
+       pdev->pd_ad = acpi_pcidev_find(seg, pa->pa_bus,
            pa->pa_device, pa->pa_function);
 #else
        pdev->pd_ad = NULL;