drm_atomic_crtc_get_property(9) get property value from CRTC state

SYNOPSIS

int drm_atomic_crtc_get_property(struct drm_crtc * crtc, const struct drm_crtc_state * state, struct drm_property * property, uint64_t * val);

ARGUMENTS

crtc

the drm CRTC to set a property on

state

the state object to get the property value from

property

the property to set

val

return location for the property value

DESCRIPTION

This function handles generic/core properties and calls out to driver's ->atomic_get_property for driver properties. To ensure consistent behavior you must call this function rather than the driver hook directly.

RETURNS

Zero on success, error code on failure

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