59 static void setup_drm(struct drm_info *drm)  in setup_drm()  argument
63 	if (drm->fd >= 0)  in setup_drm()
66 	drm->fd = drm_open_driver_master(DRIVER_INTEL);  in setup_drm()
68 	drm->res = drmModeGetResources(drm->fd);  in setup_drm()
69 	igt_require(drm->res);  in setup_drm()
70 	igt_assert(drm->res->count_connectors <= MAX_CONNECTORS);  in setup_drm()
72 	for (i = 0; i < drm->res->count_connectors; i++)  in setup_drm()
73 		drm->connectors[i] = drmModeGetConnectorCurrent(drm->fd,  in setup_drm()
74 						drm->res->connectors[i]);  in setup_drm()
79 static void teardown_drm(struct drm_info *drm)  in teardown_drm()  argument
85 	for (i = 0; i < drm->res->count_connectors; i++)  in teardown_drm()
86 		drmModeFreeConnector(drm->connectors[i]);  in teardown_drm()
88 	drmModeFreeResources(drm->res);  in teardown_drm()
89 	igt_assert(close(drm->fd) == 0);  in teardown_drm()
90 	drm->fd = -1;  in teardown_drm()
153 static void set_mode_for_one_screen(struct drm_info *drm, struct igt_fb *fb,  in set_mode_for_one_screen()  argument
162 	for (i = 0; i < drm->res->count_connectors; i++) {  in set_mode_for_one_screen()
163 		c = drm->connectors[i];  in set_mode_for_one_screen()
171 	igt_require_f(i < drm->res->count_connectors,  in set_mode_for_one_screen()
174 	crtc_id = kmstest_find_crtc_for_connector(drm->fd, drm->res, c, 0);  in set_mode_for_one_screen()
176 	buffer_id = igt_create_fb(drm->fd, mode->hdisplay, mode->vdisplay,  in set_mode_for_one_screen()
179 	igt_draw_fill_fb(drm->fd, fb, 0xFF);  in set_mode_for_one_screen()
185 	rc = drmModeSetCrtc(drm->fd, crtc_id, buffer_id, 0, 0,  in set_mode_for_one_screen()
258 static void subtest(struct drm_info *drm, struct feature *feature, bool suspend)  in subtest()  argument
262 	setup_drm(drm);  in subtest()
264 	igt_require(feature->supported_on_chipset(drm->debugfs_fd));  in subtest()
266 	disable_features(drm->debugfs_fd);  in subtest()
267 	feature->enable(drm->debugfs_fd);  in subtest()
269 	kmstest_unset_all_crtcs(drm->fd, drm->res);  in subtest()
271 	igt_assert(!feature->wait_until_enabled(drm->debugfs_fd));  in subtest()
273 	set_mode_for_one_screen(drm, &fb, feature->connector_possible_fn);  in subtest()
275 	igt_assert(feature->wait_until_enabled(drm->debugfs_fd));  in subtest()
281 		igt_assert(feature->wait_until_enabled(drm->debugfs_fd));  in subtest()
284 	igt_remove_fb(drm->fd, &fb);  in subtest()
285 	teardown_drm(drm);  in subtest()
291 	igt_assert(feature->wait_until_update(drm->debugfs_fd));  in subtest()
297 		igt_assert(feature->wait_until_update(drm->debugfs_fd));  in subtest()
301 static void setup_environment(struct drm_info *drm)  in setup_environment()  argument
307 	drm->debugfs_fd = igt_debugfs_dir(drm_fd);  in setup_environment()
308 	igt_require(drm->debugfs_fd >= 0);  in setup_environment()
319 static void teardown_environment(struct drm_info *drm)  in teardown_environment()  argument
321 	if (drm->fd >= 0)  in teardown_environment()
322 		teardown_drm(drm);  in teardown_environment()
324 	close(drm->debugfs_fd);  in teardown_environment()
329 	struct drm_info drm = { .fd = -1 };  variable
332 		setup_environment(&drm);
335 		subtest(&drm, &fbc, false);
337 		subtest(&drm, &psr, false);
339 		subtest(&drm, &fbc, true);
341 		subtest(&drm, &psr, true);
344 		teardown_environment(&drm);