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Diffstat (limited to 'arch/x86/video/fbdev.c')
-rw-r--r--arch/x86/video/fbdev.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/x86/video/fbdev.c b/arch/x86/video/fbdev.c
new file mode 100644
index 000000000000..48fb38d7d2c0
--- /dev/null
+++ b/arch/x86/video/fbdev.c
@@ -0,0 +1,32 @@
+/*
+ * arch/i386/video/fbdev.c - i386 Framebuffer
+ *
+ * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ *
+ */
+#include <linux/fb.h>
+#include <linux/pci.h>
+
+int fb_is_primary_device(struct fb_info *info)
+{
+ struct device *device = info->device;
+ struct pci_dev *pci_dev = NULL;
+ struct resource *res = NULL;
+ int retval = 0;
+
+ if (device)
+ pci_dev = to_pci_dev(device);
+
+ if (pci_dev)
+ res = &pci_dev->resource[PCI_ROM_RESOURCE];
+
+ if (res && res->flags & IORESOURCE_ROM_SHADOW)
+ retval = 1;
+
+ return retval;
+}
+EXPORT_SYMBOL(fb_is_primary_device);