[VTD] fixed a timing issue on DELL calpella laptop while doing graphics pass-through

Added additional sleep time between FLR and PCI config restore.

Signed-off-by: Allen Kay <allen.m.kay@intel.com>

diff --git a/tools/python/xen/util/pci.py b/tools/python/xen/util/pci.py
index 2a2585d6f71fc235af01412a30280c2782d171d4..daa2ee6941cc64f209fe35d2b91ea87136874b78 100644 (file)
--- a/tools/python/xen/util/pci.py
+++ b/tools/python/xen/util/pci.py
@@ -523,6 +523,7 @@ def save_pci_conf_space(devs_string):
     return (pci_list, cfg_list)
 
 def restore_pci_conf_space(pci_cfg_list):
+    time.sleep(1.0)
     pci_list = pci_cfg_list[0]
     cfg_list = pci_cfg_list[1]
     for i in range(0, len(pci_list)):