drm_atomic_helper_prepare_planes(9) prepare plane resources before commit

SYNOPSIS

int drm_atomic_helper_prepare_planes(struct drm_device * dev, struct drm_atomic_state * state);

ARGUMENTS

dev

DRM device

state

atomic state object with new state structures

DESCRIPTION

This function prepares plane state, specifically framebuffers, for the new configuration. If any failure is encountered this function will call ->cleanup_fb on any already successfully prepared framebuffer.

RETURNS

0 on success, negative 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