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>
This commit is contained in:
Alex Williamson 2015-04-07 11:14:38 -06:00
parent 71be3423a6
commit 0ea18b40cd
1 changed files with 5 additions and 0 deletions

View File

@ -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