SYNOPSIS

int drm_gem_cma_prime_mmap(struct drm_gem_object * obj, struct vm_area_struct * vma);

ARGUMENTS

obj

GEM object

vma

VMA for the area to be mapped

DESCRIPTION

This function maps a buffer imported via DRM PRIME into a userspace process's address space. Drivers that use the CMA helpers should set this as their DRM driver's ->gem_prime_mmap callback.

RETURNS

0 on success or a 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