Name
drm_gem_cma_prime_mmap —
memory-map an exported CMA GEM object
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.