SYNOPSIS

struct vgasr_priv {
bool active;
bool delayed_switch_active;
enum vga_switcheroo_client_id delayed_client_id;
struct dentry * debugfs_root;
struct dentry * switch_file;
int registered_clients;
struct list_head clients;
const struct vga_switcheroo_handler * handler;
enum vga_switcheroo_handler_flags_t handler_flags;
struct mutex mux_hw_lock;
int old_ddc_owner;
};

MEMBERS

active

whether vga_switcheroo is enabled. Prerequisite is the registration of two GPUs and a handler

delayed_switch_active

whether a delayed switch is pending

delayed_client_id

client to which a delayed switch is pending

debugfs_root

directory for vga_switcheroo debugfs interface

switch_file

file for vga_switcheroo debugfs interface

registered_clients

number of registered GPUs (counting only vga clients, not audio clients)

clients

list of registered clients

handler

registered handler

handler_flags

flags of registered handler

mux_hw_lock

protects mux state (in particular while DDC lines are temporarily switched)

old_ddc_owner

client to which DDC lines will be switched back on unlock

DESCRIPTION

vga_switcheroo private data. Currently only one vga_switcheroo instance per system is supported.

AUTHORS

Jesse Barnes <[email protected]>
Intel Corporation,         
        

Initial version

Laurent Pinchart <[email protected]>
Ideas on board SPRL,         
        

Driver internals

Daniel Vetter <[email protected]>
Intel Corporation,         
        

Contributions all over the place

Lukas Wunner <[email protected]>

vga_switcheroo documentation

COPYRIGHT