apple_gmux_present(9) detect if gmux is built into the machine

SYNOPSIS

bool apple_gmux_present(void);

ARGUMENTS

void

no arguments

DESCRIPTION

Drivers may use this to activate quirks specific to dual GPU MacBook Pros and Mac Pros, e.g. for deferred probing, runtime pm and backlight.

RETURN

true if gmux is present and the kernel was configured with CONFIG_APPLE_GMUX, false otherwise.

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

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