vga_switcheroo.h

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/*
 * DCL vga_switcheroo.h -- no discrete GPU to switch.
 *
 * drm_edid.c's switcheroo wrappers and drm_file.c's delayed-switch drain
 * call these; every one returns the "nothing happened" answer, so the DDC
 * lock/unlock pair around an adapter that does not exist is balanced.
 */
#ifndef _LINUX_VGA_SWITCHEROO_H
#define _LINUX_VGA_SWITCHEROO_H
 
struct pci_dev;
 
static inline int vga_switcheroo_lock_ddc(struct pci_dev *pdev)
{
    (void)pdev;
    return 0;
}
 
static inline int vga_switcheroo_unlock_ddc(struct pci_dev *pdev)
{
    (void)pdev;
    return 0;
}
 
static inline void vga_switcheroo_process_delayed_switch(void) { }
 
#endif /* _LINUX_VGA_SWITCHEROO_H */