vgaarb: Stub vga_set_legacy_decoding()



vga_set_legacy_decoding() is defined in drivers/gpu/vga/vgaarb.c,
which is only compiled with CONFIG_VGA_ARB.  A caller would
therefore get an undefined symbol if the VGA arbiter is not
enabled.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Dave Airlie <airlied@redhat.com>

parent 71be3423

include/linux/vgaarb.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -65,8 +65,13 @@ struct pci_dev;
		* 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