1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 1c8929801400..ec7a175dcbaf 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -241,6 +241,17 @@ struct device_attribute pci_dev_attrs[] = {
 };
 
 static ssize_t
+boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        struct pci_dev *pdev = to_pci_dev(dev);
+
+        return sprintf(buf, "%u\n",
+                !!(pdev->resource[PCI_ROM_RESOURCE].flags &
+                   IORESOURCE_ROM_SHADOW));
+}
+struct device_attribute vga_attr = __ATTR_RO(boot_vga);
+
+static ssize_t
 pci_read_config(struct kobject *kobj, struct bin_attribute *bin_attr,
                 char *buf, loff_t off, size_t count)
 {
@@ -899,18 +910,27 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
                 pdev->rom_attr = attr;
         }
 
+        if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) {
+                retval = device_create_file(&pdev->dev, &vga_attr);
+                if (retval)
+                        goto err_rom_file;
+        }
+
         /* add platform-specific attributes */
         retval = pcibios_add_platform_entries(pdev);
         if (retval)
-                goto err_rom_file;
+                goto err_vga_file;
 
         /* add sysfs entries for various capabilities */
         retval = pci_create_capabilities_sysfs(pdev);
         if (retval)
-                goto err_rom_file;
+                goto err_vga_file;
 
         return 0;
 
+err_vga_file:
+        if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
+                device_remove_file(&pdev->dev, &vga_attr);
 err_rom_file:
         if (rom_size) {
                 sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);