virtgpu_gem_prime_vunmap 216 drivers/gpu/drm/virtio/virtgpu_drv.c .gem_prime_vunmap = virtgpu_gem_prime_vunmap, virtgpu_gem_prime_vunmap 375 drivers/gpu/drm/virtio/virtgpu_drv.h void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);