/** * radeon_driver_unload_kms - Main unload function for KMS. * * @dev: drm dev pointer * * This is the main unload function for KMS (all asics). * It calls radeon_modeset_fini() to tear down the * displays, and radeon_device_fini() to tear down * the rest of the device (CP, writeback, etc.). * Returns 0 on success. */