mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 10:55:15 +07:00
766a53d059
Drivers should call this on unload to unregister pmops. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=84431 Reviewed-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com>
91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2010 Red Hat Inc.
|
|
* Author : Dave Airlie <airlied@redhat.com>
|
|
*
|
|
* Licensed under GPLv2
|
|
*
|
|
* vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs
|
|
*/
|
|
|
|
#ifndef _LINUX_VGA_SWITCHEROO_H_
|
|
#define _LINUX_VGA_SWITCHEROO_H_
|
|
|
|
#include <linux/fb.h>
|
|
|
|
struct pci_dev;
|
|
|
|
enum vga_switcheroo_state {
|
|
VGA_SWITCHEROO_OFF,
|
|
VGA_SWITCHEROO_ON,
|
|
/* below are referred only from vga_switcheroo_get_client_state() */
|
|
VGA_SWITCHEROO_INIT,
|
|
VGA_SWITCHEROO_NOT_FOUND,
|
|
};
|
|
|
|
enum vga_switcheroo_client_id {
|
|
VGA_SWITCHEROO_IGD,
|
|
VGA_SWITCHEROO_DIS,
|
|
VGA_SWITCHEROO_MAX_CLIENTS,
|
|
};
|
|
|
|
struct vga_switcheroo_handler {
|
|
int (*switchto)(enum vga_switcheroo_client_id id);
|
|
int (*power_state)(enum vga_switcheroo_client_id id,
|
|
enum vga_switcheroo_state state);
|
|
int (*init)(void);
|
|
int (*get_client_id)(struct pci_dev *pdev);
|
|
};
|
|
|
|
struct vga_switcheroo_client_ops {
|
|
void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state);
|
|
void (*reprobe)(struct pci_dev *dev);
|
|
bool (*can_switch)(struct pci_dev *dev);
|
|
};
|
|
|
|
#if defined(CONFIG_VGA_SWITCHEROO)
|
|
void vga_switcheroo_unregister_client(struct pci_dev *dev);
|
|
int vga_switcheroo_register_client(struct pci_dev *dev,
|
|
const struct vga_switcheroo_client_ops *ops,
|
|
bool driver_power_control);
|
|
int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
|
|
const struct vga_switcheroo_client_ops *ops,
|
|
int id, bool active);
|
|
|
|
void vga_switcheroo_client_fb_set(struct pci_dev *dev,
|
|
struct fb_info *info);
|
|
|
|
int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler);
|
|
void vga_switcheroo_unregister_handler(void);
|
|
|
|
int vga_switcheroo_process_delayed_switch(void);
|
|
|
|
int vga_switcheroo_get_client_state(struct pci_dev *dev);
|
|
|
|
void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic);
|
|
|
|
int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain);
|
|
void vga_switcheroo_fini_domain_pm_ops(struct device *dev);
|
|
int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain);
|
|
#else
|
|
|
|
static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {}
|
|
static inline int vga_switcheroo_register_client(struct pci_dev *dev,
|
|
const struct vga_switcheroo_client_ops *ops, bool driver_power_control) { return 0; }
|
|
static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {}
|
|
static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; }
|
|
static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
|
|
const struct vga_switcheroo_client_ops *ops,
|
|
int id, bool active) { return 0; }
|
|
static inline void vga_switcheroo_unregister_handler(void) {}
|
|
static inline int vga_switcheroo_process_delayed_switch(void) { return 0; }
|
|
static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; }
|
|
|
|
static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {}
|
|
|
|
static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; }
|
|
static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {}
|
|
static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; }
|
|
|
|
#endif
|
|
#endif /* _LINUX_VGA_SWITCHEROO_H_ */
|