1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index ab0a9c0ad7c0..a3011de51f7c 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -1955,6 +1955,15 @@ static int agp_intel_resume(struct pci_dev *pdev)
 
         pci_restore_state(pdev);
 
+        /* We should restore our graphics device's config space,
+         * as host bridge (00:00) resumes before graphics device (02:00),
+         * then our access to its pci space can work right.
+         */
+        if (intel_i810_private.i810_dev)
+                pci_restore_state(intel_i810_private.i810_dev);
+        if (intel_i830_private.i830_dev)
+                pci_restore_state(intel_i830_private.i830_dev);
+
         if (bridge->driver == &intel_generic_driver)
                 intel_configure();
         else if (bridge->driver == &intel_850_driver)