From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/include/linux/vga_switcheroo.h | 90 +++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 kernel/include/linux/vga_switcheroo.h (limited to 'kernel/include/linux/vga_switcheroo.h') diff --git a/kernel/include/linux/vga_switcheroo.h b/kernel/include/linux/vga_switcheroo.h new file mode 100644 index 000000000..b483abd34 --- /dev/null +++ b/kernel/include/linux/vga_switcheroo.h @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2010 Red Hat Inc. + * Author : Dave Airlie + * + * 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 + +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_ */ -- cgit 1.2.3-korg