vc4_prime_mmap    211 drivers/gpu/drm/vc4/vc4_drv.c 	.gem_prime_mmap = vc4_prime_mmap,
vc4_prime_mmap    732 drivers/gpu/drm/vc4/vc4_drv.h int vc4_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);