libpciaccess/u_libpciaccess-vgaarb-add-function-to-get-default-vga-device-and-it.patch

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From: Egbert Eich <eich@freedesktop.org>
Author: Egbert Eich <eich@suse.de>
Date: Sun, 28 Aug 2011 19:53:02 +0200
Patch-Mainline: "To be upstreamed."
Subject: [PATCH] vgaarb: add function to get default vga device and it's decodes.
Signed-off-by: Egbert Eich <eich@freedesktop.org>
---
src/common_vgaarb.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
Index: libpciaccess-0.13.1/src/common_vgaarb.c
===================================================================
--- libpciaccess-0.13.1.orig/src/common_vgaarb.c
+++ libpciaccess-0.13.1/src/common_vgaarb.c
@@ -153,7 +153,11 @@ pci_device_vgaarb_fini(void)
{
if (!pci_sys)
return;
-
+ if (pci_device_vgaarb_set_target(NULL) < 0 ||
+ pci_device_vgaarb_lock() < 0 ||
+ pci_device_vgaarb_unlock() < 0) {
+ fprintf(stderr, "VGA Arbitration: Cannot restore default device.\n");
+ }
close(pci_sys->vgaarb_fd);
}
@@ -331,6 +335,11 @@ pci_device_vgaarb_unlock(void)
int pci_device_vgaarb_get_info(struct pci_device *dev, int *vga_count, int *rsrc_decodes)
{
*vga_count = pci_sys->vga_count;
+
+ if (!rsrc_decodes)
+ return 0;
+ if (!dev)
+ dev = pci_sys->vga_default_dev;
if (!dev)
return 0;