tests/kms_force_connector_basic.c - platform/external/igt-gpu-tools - Git at Google

 /*
  * Copyright © 2014 Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  *
  */

 #include "igt.h"

 IGT_TEST_DESCRIPTION("Check the debugfs force connector/edid features work"
 		     " correctly.");

 #define CHECK_MODE(m, h, w, r) \
 	igt_assert_eq(m.hdisplay, h); igt_assert_eq(m.vdisplay, w); \
 	igt_assert_eq(m.vrefresh, r);

 static void reset_connectors(void)
 {
 	int drm_fd = 0;
 	drmModeRes *res;
 	drmModeConnector *connector = NULL;

 	drm_fd = drm_open_driver_master(DRIVER_INTEL);
 	res = drmModeGetResources(drm_fd);

 	for (int i = 0; i < res->count_connectors; i++) {

 		connector = drmModeGetConnectorCurrent(drm_fd,
 						       res->connectors[i]);

 		kmstest_force_connector(drm_fd, connector,
 					FORCE_CONNECTOR_UNSPECIFIED);

 		kmstest_force_edid(drm_fd, connector, NULL);

 		drmModeFreeConnector(connector);
 	}

 	igt_set_module_param_int("load_detect_test", 0);
 }

 static int opt_handler(int opt, int opt_index, void *data)
 {
 	switch (opt) {
 	case 'r':
 		reset_connectors();
 		exit(0);
 		break;
 	}

 	return IGT_OPT_HANDLER_SUCCESS;
 }

 struct option long_opts[] = {
 	{"reset", 0, 0, 'r'},
 	{0, 0, 0, 0}
 };
 const char *help_str =
 	"  --reset\t\tReset all connector force states and edid.\n";

 igt_main_args("", long_opts, help_str, opt_handler, NULL)
 {
 	/* force the VGA output and test that it worked */
 	int drm_fd = 0;
 	drmModeRes *res;
 	drmModeConnector *vga_connector = NULL, *temp;
 	int start_n_modes, start_connection;

 	igt_fixture {
 		unsigned vga_connector_id = 0;

 		drm_fd = drm_open_driver_master(DRIVER_INTEL);

 		res = drmModeGetResources(drm_fd);
 		igt_require(res);

 		/* find the vga connector */
 		for (int i = 0; i < res->count_connectors; i++) {
 			vga_connector = drmModeGetConnectorCurrent(drm_fd,
 								   res->connectors[i]);

 			if (vga_connector->connector_type == DRM_MODE_CONNECTOR_VGA) {
 				/* Ensure that no override was left in place. */
 				kmstest_force_connector(drm_fd,
 							vga_connector,
 							FORCE_CONNECTOR_UNSPECIFIED);

 				/* Only use the first VGA connector. */
 				if (!vga_connector_id)
 					vga_connector_id = res->connectors[i];
 			}

 			drmModeFreeConnector(vga_connector);
 		}

 		igt_require(vga_connector_id);

 		/* Reacquire status after clearing any previous overrides */
 		vga_connector = drmModeGetConnector(drm_fd, vga_connector_id);

 		start_n_modes = vga_connector->count_modes;
 		start_connection = vga_connector->connection;
 	}

 	igt_subtest("force-load-detect") {
 		int i, j, w = 64, h = 64;
 		drmModePlaneRes *plane_resources;
 		struct igt_fb xrgb_fb, argb_fb;

 		igt_create_fb(drm_fd, w, h, DRM_FORMAT_XRGB8888, 0, &xrgb_fb);
 		igt_create_fb(drm_fd, w, h, DRM_FORMAT_ARGB8888, 0, &argb_fb);
 		igt_assert(drmSetClientCap(drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1) == 0);

 		/*
 		 * disable all outputs to make sure we have a
 		 * free crtc available for load detect
 		 */
 		kmstest_set_vt_graphics_mode();
 		kmstest_unset_all_crtcs(drm_fd, res);

 		igt_set_module_param_int("load_detect_test", 1);

 		plane_resources = drmModeGetPlaneResources(drm_fd);
 		igt_assert(plane_resources);

 		for (i = 0; i < plane_resources->count_planes; i++) {
 			drmModePlane *drm_plane;
 			bool found = false;
 			uint32_t plane_id = plane_resources->planes[i];

 			drm_plane = drmModeGetPlane(drm_fd, plane_id);
 			igt_assert(drm_plane);

 			for (j = 0; j < drm_plane->count_formats; j++) {
 				uint32_t format = drm_plane->formats[j];
 				uint32_t crtc = ffs(drm_plane->possible_crtcs) - 1;
 				uint32_t crtc_id = res->crtcs[crtc];

 				if (format == DRM_FORMAT_XRGB8888)
 					do_or_die(drmModeSetPlane(drm_fd, plane_id, crtc_id,
 							xrgb_fb.fb_id,
 							0, 0, 0, w, h,
 							0, 0, IGT_FIXED(w, 0), IGT_FIXED(h, 0)));
 				else if (format == DRM_FORMAT_ARGB8888)
 					do_or_die(drmModeSetPlane(drm_fd, plane_id, crtc_id,
 							argb_fb.fb_id,
 							0, 0, 0, w, h,
 							0, 0, IGT_FIXED(w, 0), IGT_FIXED(h, 0)));
 				else
 					continue;

 				found = true;
 				break;
 			}
 			drmModeFreePlane(drm_plane);
 			igt_assert(found);
 		}

 		/* This can't use drmModeGetConnectorCurrent
 		 * because connector probing is the point of this test.
 		 */
 		temp = drmModeGetConnector(drm_fd, vga_connector->connector_id);

 		igt_set_module_param_int("load_detect_test", 0);

 		igt_assert(temp->connection != DRM_MODE_UNKNOWNCONNECTION);

 		drmModeFreeConnector(temp);

 		/* Look if planes are unmodified. */
 		for (i = 0; i < plane_resources->count_planes; i++) {
 			drmModePlane *drm_plane;

 			drm_plane = drmModeGetPlane(drm_fd,
 						    plane_resources->planes[i]);
 			igt_assert(drm_plane);

 			igt_assert(drm_plane->crtc_id);
 			igt_assert(drm_plane->fb_id);

 			if (drm_plane->fb_id != xrgb_fb.fb_id)
 				igt_assert_eq(drm_plane->fb_id, argb_fb.fb_id);

 			drmModeFreePlane(drm_plane);
 		}
 	}

 	igt_subtest("force-connector-state") {
 		igt_display_t display;

 		/* force the connector on and check the reported values */
 		kmstest_force_connector(drm_fd, vga_connector, FORCE_CONNECTOR_ON);
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);
 		igt_assert_eq(temp->connection, DRM_MODE_CONNECTED);
 		igt_assert_lt(0, temp->count_modes);
 		drmModeFreeConnector(temp);

 		/* attempt to use the display */
 		kmstest_set_vt_graphics_mode();
 		igt_display_require(&display, drm_fd);
 		igt_display_commit(&display);
 		igt_display_fini(&display);


 		/* force the connector off */
 		kmstest_force_connector(drm_fd, vga_connector,
 					FORCE_CONNECTOR_OFF);
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);
 		igt_assert_eq(temp->connection, DRM_MODE_DISCONNECTED);
 		igt_assert_eq(0, temp->count_modes);
 		drmModeFreeConnector(temp);

 		/* check that the previous state is restored */
 		kmstest_force_connector(drm_fd, vga_connector,
 					FORCE_CONNECTOR_UNSPECIFIED);
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);
 		igt_assert_eq(temp->connection, start_connection);
 		drmModeFreeConnector(temp);
 	}

 	igt_subtest("force-edid") {
 		kmstest_force_connector(drm_fd, vga_connector,
 					FORCE_CONNECTOR_ON);
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);
 		drmModeFreeConnector(temp);

 		/* test edid forcing */
 		kmstest_force_edid(drm_fd, vga_connector,
 				   igt_kms_get_base_edid());
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);

 		igt_debug("num_conn %i\n", temp->count_modes);

 		CHECK_MODE(temp->modes[0], 1920, 1080, 60);
 		/* Don't check non-preferred modes to avoid to tight coupling
 		 * with the in-kernel EDID parser. */

 		drmModeFreeConnector(temp);

 		/* remove edid */
 		kmstest_force_edid(drm_fd, vga_connector, NULL);
 		kmstest_force_connector(drm_fd, vga_connector,
 					FORCE_CONNECTOR_UNSPECIFIED);
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);
 		/* the connector should now have the same number of modes that
 		 * it started with */
 		igt_assert_eq(temp->count_modes, start_n_modes);
 		drmModeFreeConnector(temp);

 	}

 	igt_subtest("prune-stale-modes") {
 		int i;

 		kmstest_force_connector(drm_fd, vga_connector,
 					FORCE_CONNECTOR_ON);

 		/* test pruning of stale modes */
 		kmstest_force_edid(drm_fd, vga_connector,
 				   igt_kms_get_alt_edid());
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);

 		for (i = 0; i < temp->count_modes; i++) {
 			if (temp->modes[i].hdisplay == 1400 &&
 			    temp->modes[i].vdisplay == 1050)
 				break;
 		}
 		igt_assert_f(i != temp->count_modes, "1400x1050 not on mode list\n");

 		drmModeFreeConnector(temp);

 		kmstest_force_edid(drm_fd, vga_connector,
 				   igt_kms_get_base_edid());
 		temp = drmModeGetConnectorCurrent(drm_fd,
 						  vga_connector->connector_id);

 		for (i = 0; i < temp->count_modes; i++) {
 			if (temp->modes[i].hdisplay == 1400 &&
 			    temp->modes[i].vdisplay == 1050)
 				break;
 		}
 		igt_assert_f(i == temp->count_modes, "1400x1050 not pruned from mode list\n");

 		drmModeFreeConnector(temp);

 		kmstest_force_edid(drm_fd, vga_connector, NULL);
 		kmstest_force_connector(drm_fd, vga_connector,
 					FORCE_CONNECTOR_UNSPECIFIED);
 	}

 	igt_fixture {
 		drmModeFreeConnector(vga_connector);
 		close(drm_fd);

 		reset_connectors();
 	}
 }
	/*
	* Copyright © 2014 Intel Corporation
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	* IN THE SOFTWARE.
	*
	*/

	#include "igt.h"

	IGT_TEST_DESCRIPTION("Check the debugfs force connector/edid features work"
	" correctly.");

	#define CHECK_MODE(m, h, w, r) \
	igt_assert_eq(m.hdisplay, h); igt_assert_eq(m.vdisplay, w); \
	igt_assert_eq(m.vrefresh, r);

	static void reset_connectors(void)
	{
	int drm_fd = 0;
	drmModeRes *res;
	drmModeConnector *connector = NULL;

	drm_fd = drm_open_driver_master(DRIVER_INTEL);
	res = drmModeGetResources(drm_fd);

	for (int i = 0; i < res->count_connectors; i++) {

	connector = drmModeGetConnectorCurrent(drm_fd,
	res->connectors[i]);

	kmstest_force_connector(drm_fd, connector,
	FORCE_CONNECTOR_UNSPECIFIED);

	kmstest_force_edid(drm_fd, connector, NULL);

	drmModeFreeConnector(connector);
	}

	igt_set_module_param_int("load_detect_test", 0);
	}

	static int opt_handler(int opt, int opt_index, void *data)
	{
	switch (opt) {
	case 'r':
	reset_connectors();
	exit(0);
	break;
	}

	return IGT_OPT_HANDLER_SUCCESS;
	}

	struct option long_opts[] = {
	{"reset", 0, 0, 'r'},
	{0, 0, 0, 0}
	};
	const char *help_str =
	" --reset\t\tReset all connector force states and edid.\n";

	igt_main_args("", long_opts, help_str, opt_handler, NULL)
	{
	/* force the VGA output and test that it worked */
	int drm_fd = 0;
	drmModeRes *res;
	drmModeConnector vga_connector = NULL, temp;
	int start_n_modes, start_connection;

	igt_fixture {
	unsigned vga_connector_id = 0;

	drm_fd = drm_open_driver_master(DRIVER_INTEL);

	res = drmModeGetResources(drm_fd);
	igt_require(res);

	/* find the vga connector */
	for (int i = 0; i < res->count_connectors; i++) {
	vga_connector = drmModeGetConnectorCurrent(drm_fd,
	res->connectors[i]);

	if (vga_connector->connector_type == DRM_MODE_CONNECTOR_VGA) {
	/* Ensure that no override was left in place. */
	kmstest_force_connector(drm_fd,
	vga_connector,
	FORCE_CONNECTOR_UNSPECIFIED);

	/* Only use the first VGA connector. */
	if (!vga_connector_id)
	vga_connector_id = res->connectors[i];
	}

	drmModeFreeConnector(vga_connector);
	}

	igt_require(vga_connector_id);

	/* Reacquire status after clearing any previous overrides */
	vga_connector = drmModeGetConnector(drm_fd, vga_connector_id);

	start_n_modes = vga_connector->count_modes;
	start_connection = vga_connector->connection;
	}

	igt_subtest("force-load-detect") {
	int i, j, w = 64, h = 64;
	drmModePlaneRes *plane_resources;
	struct igt_fb xrgb_fb, argb_fb;

	igt_create_fb(drm_fd, w, h, DRM_FORMAT_XRGB8888, 0, &xrgb_fb);
	igt_create_fb(drm_fd, w, h, DRM_FORMAT_ARGB8888, 0, &argb_fb);
	igt_assert(drmSetClientCap(drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1) == 0);

	/*
	* disable all outputs to make sure we have a
	* free crtc available for load detect
	*/
	kmstest_set_vt_graphics_mode();
	kmstest_unset_all_crtcs(drm_fd, res);

	igt_set_module_param_int("load_detect_test", 1);

	plane_resources = drmModeGetPlaneResources(drm_fd);
	igt_assert(plane_resources);

	for (i = 0; i < plane_resources->count_planes; i++) {
	drmModePlane *drm_plane;
	bool found = false;
	uint32_t plane_id = plane_resources->planes[i];

	drm_plane = drmModeGetPlane(drm_fd, plane_id);
	igt_assert(drm_plane);

	for (j = 0; j < drm_plane->count_formats; j++) {
	uint32_t format = drm_plane->formats[j];
	uint32_t crtc = ffs(drm_plane->possible_crtcs) - 1;
	uint32_t crtc_id = res->crtcs[crtc];

	if (format == DRM_FORMAT_XRGB8888)
	do_or_die(drmModeSetPlane(drm_fd, plane_id, crtc_id,
	xrgb_fb.fb_id,
	0, 0, 0, w, h,
	0, 0, IGT_FIXED(w, 0), IGT_FIXED(h, 0)));
	else if (format == DRM_FORMAT_ARGB8888)
	do_or_die(drmModeSetPlane(drm_fd, plane_id, crtc_id,
	argb_fb.fb_id,
	0, 0, 0, w, h,
	0, 0, IGT_FIXED(w, 0), IGT_FIXED(h, 0)));
	else
	continue;

	found = true;
	break;
	}
	drmModeFreePlane(drm_plane);
	igt_assert(found);
	}

	/* This can't use drmModeGetConnectorCurrent
	* because connector probing is the point of this test.
	*/
	temp = drmModeGetConnector(drm_fd, vga_connector->connector_id);

	igt_set_module_param_int("load_detect_test", 0);

	igt_assert(temp->connection != DRM_MODE_UNKNOWNCONNECTION);

	drmModeFreeConnector(temp);

	/* Look if planes are unmodified. */
	for (i = 0; i < plane_resources->count_planes; i++) {
	drmModePlane *drm_plane;

	drm_plane = drmModeGetPlane(drm_fd,
	plane_resources->planes[i]);
	igt_assert(drm_plane);

	igt_assert(drm_plane->crtc_id);
	igt_assert(drm_plane->fb_id);

	if (drm_plane->fb_id != xrgb_fb.fb_id)
	igt_assert_eq(drm_plane->fb_id, argb_fb.fb_id);

	drmModeFreePlane(drm_plane);
	}
	}

	igt_subtest("force-connector-state") {
	igt_display_t display;

	/* force the connector on and check the reported values */
	kmstest_force_connector(drm_fd, vga_connector, FORCE_CONNECTOR_ON);
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);
	igt_assert_eq(temp->connection, DRM_MODE_CONNECTED);
	igt_assert_lt(0, temp->count_modes);
	drmModeFreeConnector(temp);

	/* attempt to use the display */
	kmstest_set_vt_graphics_mode();
	igt_display_require(&display, drm_fd);
	igt_display_commit(&display);
	igt_display_fini(&display);


	/* force the connector off */
	kmstest_force_connector(drm_fd, vga_connector,
	FORCE_CONNECTOR_OFF);
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);
	igt_assert_eq(temp->connection, DRM_MODE_DISCONNECTED);
	igt_assert_eq(0, temp->count_modes);
	drmModeFreeConnector(temp);

	/* check that the previous state is restored */
	kmstest_force_connector(drm_fd, vga_connector,
	FORCE_CONNECTOR_UNSPECIFIED);
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);
	igt_assert_eq(temp->connection, start_connection);
	drmModeFreeConnector(temp);
	}

	igt_subtest("force-edid") {
	kmstest_force_connector(drm_fd, vga_connector,
	FORCE_CONNECTOR_ON);
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);
	drmModeFreeConnector(temp);

	/* test edid forcing */
	kmstest_force_edid(drm_fd, vga_connector,
	igt_kms_get_base_edid());
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);

	igt_debug("num_conn %i\n", temp->count_modes);

	CHECK_MODE(temp->modes[0], 1920, 1080, 60);
	/* Don't check non-preferred modes to avoid to tight coupling
	* with the in-kernel EDID parser. */

	drmModeFreeConnector(temp);

	/* remove edid */
	kmstest_force_edid(drm_fd, vga_connector, NULL);
	kmstest_force_connector(drm_fd, vga_connector,
	FORCE_CONNECTOR_UNSPECIFIED);
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);
	/* the connector should now have the same number of modes that
	* it started with */
	igt_assert_eq(temp->count_modes, start_n_modes);
	drmModeFreeConnector(temp);

	}

	igt_subtest("prune-stale-modes") {
	int i;

	kmstest_force_connector(drm_fd, vga_connector,
	FORCE_CONNECTOR_ON);

	/* test pruning of stale modes */
	kmstest_force_edid(drm_fd, vga_connector,
	igt_kms_get_alt_edid());
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);

	for (i = 0; i < temp->count_modes; i++) {
	if (temp->modes[i].hdisplay == 1400 &&
	temp->modes[i].vdisplay == 1050)
	break;
	}
	igt_assert_f(i != temp->count_modes, "1400x1050 not on mode list\n");

	drmModeFreeConnector(temp);

	kmstest_force_edid(drm_fd, vga_connector,
	igt_kms_get_base_edid());
	temp = drmModeGetConnectorCurrent(drm_fd,
	vga_connector->connector_id);

	for (i = 0; i < temp->count_modes; i++) {
	if (temp->modes[i].hdisplay == 1400 &&
	temp->modes[i].vdisplay == 1050)
	break;
	}
	igt_assert_f(i == temp->count_modes, "1400x1050 not pruned from mode list\n");

	drmModeFreeConnector(temp);

	kmstest_force_edid(drm_fd, vga_connector, NULL);
	kmstest_force_connector(drm_fd, vga_connector,
	FORCE_CONNECTOR_UNSPECIFIED);
	}

	igt_fixture {
	drmModeFreeConnector(vga_connector);
	close(drm_fd);

	reset_connectors();
	}
	}