drm_gem_prime_mmap
return drm_gem_prime_mmap(fb_helper->buffer->gem, vma);
EXPORT_SYMBOL(drm_gem_prime_mmap);
return drm_gem_prime_mmap(obj, vma);
return drm_gem_prime_mmap(&obj->base, vma);
int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
struct uvm_object *drm_gem_prime_mmap(struct file *, vm_prot_t, voff_t, vsize_t);