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);