rockchip_gem_prime_vmap  226 drivers/gpu/drm/rockchip/rockchip_drm_drv.c 	.gem_prime_vmap		= rockchip_gem_prime_vmap,
rockchip_gem_prime_vmap   34 drivers/gpu/drm/rockchip/rockchip_drm_gem.h void *rockchip_gem_prime_vmap(struct drm_gem_object *obj);