rockchip_gem_prime_vunmap 227 drivers/gpu/drm/rockchip/rockchip_drm_drv.c .gem_prime_vunmap = rockchip_gem_prime_vunmap, rockchip_gem_prime_vunmap 35 drivers/gpu/drm/rockchip/rockchip_drm_gem.h void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);