--- zzzz-none-000/linux-3.10.107/include/linux/vgaarb.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/vgaarb.h	2021-02-04 17:41:59.000000000 +0000
@@ -65,8 +65,13 @@
  *     out of the arbitration process (and can be safe to take
  *     interrupts at any time.
  */
+#if defined(CONFIG_VGA_ARB)
 extern void vga_set_legacy_decoding(struct pci_dev *pdev,
 				    unsigned int decodes);
+#else
+static inline void vga_set_legacy_decoding(struct pci_dev *pdev,
+					   unsigned int decodes) { };
+#endif
 
 /**
  *     vga_get         - acquire & locks VGA resources
@@ -182,7 +187,6 @@
  *     vga_get()...
  */
 
-#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
 #ifdef CONFIG_VGA_ARB
 extern struct pci_dev *vga_default_device(void);
 extern void vga_set_default_device(struct pci_dev *pdev);
@@ -190,7 +194,6 @@
 static inline struct pci_dev *vga_default_device(void) { return NULL; };
 static inline void vga_set_default_device(struct pci_dev *pdev) { };
 #endif
-#endif
 
 /**
  *     vga_conflicts