[igt-dev] [PATCH i-g-t] tests/kms_force_connector_basic: Test Cleanup

Modem, Bhanuprakash bhanuprakash.modem at intel.com
Mon Oct 10 13:48:15 UTC 2022


On Thu-06-10-2022 01:42 am, Mohammed Thasleem wrote:
> Sanitize the system state before starting the subtest.
> 
> v2: Created a new functions for each subtest instead
>      of managing the full logic within the igt_subtest().
> v3: Minor changes.
> v4: Replaced igt_assert_f with igt_require_f in prune-stale-modes.
> v5: Added goto statement if connector_id found true.
> v6: Minor changes.
> v7: Added func pointer to subtests.
> 
> Signed-off-by: Mohammed Thasleem <mohammed.thasleem at intel.com>

Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> ---
>   tests/kms_force_connector_basic.c | 454 ++++++++++++++++--------------
>   1 file changed, 243 insertions(+), 211 deletions(-)
> 
> diff --git a/tests/kms_force_connector_basic.c b/tests/kms_force_connector_basic.c
> index 6259cec5..cde47e92 100644
> --- a/tests/kms_force_connector_basic.c
> +++ b/tests/kms_force_connector_basic.c
> @@ -58,6 +58,215 @@ static void reset_connectors(void)
>   	close(drm_fd);
>   }
>   
> +static void force_load_detect(int drm_fd, drmModeConnectorPtr connector, drmModeRes *res)
> +{
> +	int i, j, w = 64, h = 64;
> +	drmModePlaneRes *plane_resources;
> +	drmModeConnector *temp;
> +	struct igt_fb xrgb_fb, argb_fb;
> +
> +	/* No load detect on HDMI. */
> +	igt_require(connector->connector_type == DRM_MODE_CONNECTOR_VGA);
> +
> +	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_unset_all_crtcs(drm_fd, res);
> +
> +	igt_set_module_param_int(drm_fd, "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, connector->connector_id);
> +
> +	igt_set_module_param_int(drm_fd, "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);
> +	}
> +}
> +
> +static void force_connector_state(int drm_fd, drmModeConnectorPtr connector)
> +{
> +	igt_display_t display;
> +	drmModeConnector *temp;
> +
> +	igt_display_require(&display, drm_fd);
> +
> +	/* Reset display before attempt to use it. */
> +	igt_display_reset(&display);
> +	igt_display_commit(&display);
> +
> +	/* Force the connector on and check the reported values. */
> +	kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_ON);
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  connector->connector_id);
> +	igt_assert_eq(temp->connection, DRM_MODE_CONNECTED);
> +	igt_assert_lt(0, temp->count_modes);
> +	drmModeFreeConnector(temp);
> +
> +	/* Force the connector off. */
> +	kmstest_force_connector(drm_fd, connector,
> +				FORCE_CONNECTOR_OFF);
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  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, connector,
> +				FORCE_CONNECTOR_UNSPECIFIED);
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  connector->connector_id);
> +	igt_assert_eq(temp->connection, connector->connection);
> +	drmModeFreeConnector(temp);
> +
> +	igt_display_fini(&display);
> +}
> +
> +static void force_edid(int drm_fd, drmModeConnectorPtr connector)
> +{
> +	drmModeConnector *temp;
> +
> +	kmstest_force_connector(drm_fd, connector,
> +				FORCE_CONNECTOR_ON);
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  connector->connector_id);
> +	drmModeFreeConnector(temp);
> +
> +	/* Test edid forcing. */
> +	kmstest_force_edid(drm_fd, connector,
> +			   igt_kms_get_base_edid());
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  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, connector, NULL);
> +	kmstest_force_connector(drm_fd, connector,
> +				FORCE_CONNECTOR_UNSPECIFIED);
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  connector->connector_id);
> +	/*
> +	 * The connector should now have the same number of modes that
> +	 * it started with.
> +	 */
> +	igt_assert_eq(temp->count_modes, connector->count_modes);
> +	drmModeFreeConnector(temp);
> +
> +}
> +
> +static void prune_stale_modes(int drm_fd, drmModeConnectorPtr connector)
> +{
> +	int i;
> +	drmModeConnector *temp;
> +
> +	kmstest_force_connector(drm_fd, connector,
> +				FORCE_CONNECTOR_ON);
> +
> +	/* Test pruning of stale modes. */
> +	kmstest_force_edid(drm_fd, connector,
> +			   igt_kms_get_alt_edid());
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  connector->connector_id);
> +
> +	for (i = 0; i < temp->count_modes; i++) {
> +		if (temp->modes[i].hdisplay == 1400 &&
> +		    temp->modes[i].vdisplay == 1050)
> +			break;
> +	}
> +	igt_require_f(i != temp->count_modes, "1400x1050 not on mode list\n");
> +	drmModeFreeConnector(temp);
> +
> +	kmstest_force_edid(drm_fd, connector,
> +			   igt_kms_get_base_edid());
> +	temp = drmModeGetConnectorCurrent(drm_fd,
> +					  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, connector, NULL);
> +	kmstest_force_connector(drm_fd, connector,
> +				FORCE_CONNECTOR_UNSPECIFIED);
> +}
> +
>   static int opt_handler(int opt, int opt_index, void *data)
>   {
>   	switch (opt) {
> @@ -79,22 +288,37 @@ const char *help_str =
>   
>   igt_main_args("", long_opts, help_str, opt_handler, NULL)
>   {
> -	/* force the VGA output and test that it worked */
> -	int drm_fd = 0;
> +	/* Force the VGA output and test that it worked. */
> +	int i, drm_fd = 0;
>   	drmModeRes *res;
> -	drmModeConnector *connector = NULL, *temp;
> -	int start_n_modes, start_connection;
> +	drmModeConnector *connector = NULL;
> +	struct {
> +		const char *name;
> +		const char *desc;
> +		void (*func)(int, drmModeConnector *);
> +	} tests[] = {
> +		{ "force-connector-state",
> +		  "Test to check the forced connector state.",
> +		  force_connector_state },
> +		{ "force-edid",
> +		  "Test to check the values after forcing edid.",
> +		  force_edid },
> +		{ "prune-stale-modes",
> +		  "Tests pruning of stale modes.",
> +		  prune_stale_modes }
> +	};
>   
>   	igt_fixture {
>   		unsigned connector_id = 0;
>   
>   		drm_fd = drm_open_driver_master(DRIVER_ANY);
> +		kmstest_set_vt_graphics_mode();
>   
>   		res = drmModeGetResources(drm_fd);
>   		igt_require(res);
>   
> -		/* find a vga connector */
> -		for (int i = 0; i < res->count_connectors; i++) {
> +		/* Find a vga connector. */
> +		for (i = 0; i < res->count_connectors; i++) {
>   			connector = drmModeGetConnectorCurrent(drm_fd,
>   							       res->connectors[i]);
>   
> @@ -112,8 +336,11 @@ igt_main_args("", long_opts, help_str, opt_handler, NULL)
>   			drmModeFreeConnector(connector);
>   		}
>   
> -		/* find a hdmi connector if we didn't find vga */
> -		for (int i = 0; i < res->count_connectors; i++) {
> +		if (connector_id)
> +			goto end;
> +
> +		/* Find a hdmi connector if we didn't find vga. */
> +		for (i = 0; i < res->count_connectors; i++) {
>   			connector = drmModeGetConnectorCurrent(drm_fd,
>   							       res->connectors[i]);
>   
> @@ -134,214 +361,19 @@ igt_main_args("", long_opts, help_str, opt_handler, NULL)
>   
>   		igt_require(connector_id);
>   
> -		/* Reacquire status after clearing any previous overrides */
> +end:
> +		/* Reacquire status after clearing any previous overrides. */
>   		connector = drmModeGetConnector(drm_fd, connector_id);
> -
> -		start_n_modes = connector->count_modes;
> -		start_connection = connector->connection;
>   	}
>   
>   	igt_describe("Test to detect forced load.");
> -	igt_subtest("force-load-detect") {
> -		int i, j, w = 64, h = 64;
> -		drmModePlaneRes *plane_resources;
> -		struct igt_fb xrgb_fb, argb_fb;
> -
> -		/* no load detect on HDMI */
> -		igt_require(connector->connector_type == DRM_MODE_CONNECTOR_VGA);
> -
> -		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(drm_fd, "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, connector->connector_id);
> -
> -		igt_set_module_param_int(drm_fd, "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;
> +	igt_subtest("force-load-detect")
> +		force_load_detect(drm_fd, connector, res);
>   
> -			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_remove_fb(drm_fd, &xrgb_fb);
> -		igt_remove_fb(drm_fd, &argb_fb);
> -	}
> -
> -	igt_describe("Test to check the forced connector state.");
> -	igt_subtest("force-connector-state") {
> -		igt_display_t display;
> -
> -		/* force the connector on and check the reported values */
> -		kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_ON);
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  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, connector,
> -					FORCE_CONNECTOR_OFF);
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  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, connector,
> -					FORCE_CONNECTOR_UNSPECIFIED);
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  connector->connector_id);
> -		igt_assert_eq(temp->connection, start_connection);
> -		drmModeFreeConnector(temp);
> -	}
> -
> -	igt_describe("Test to check the values after forcing edid.");
> -	igt_subtest("force-edid") {
> -		kmstest_force_connector(drm_fd, connector,
> -					FORCE_CONNECTOR_ON);
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  connector->connector_id);
> -		drmModeFreeConnector(temp);
> -
> -		/* test edid forcing */
> -		kmstest_force_edid(drm_fd, connector,
> -				   igt_kms_get_base_edid());
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  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, connector, NULL);
> -		kmstest_force_connector(drm_fd, connector,
> -					FORCE_CONNECTOR_UNSPECIFIED);
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  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_describe("Tests pruning of stale modes.");
> -	igt_subtest("prune-stale-modes") {
> -		int i;
> -
> -		kmstest_force_connector(drm_fd, connector,
> -					FORCE_CONNECTOR_ON);
> -
> -		/* test pruning of stale modes */
> -		kmstest_force_edid(drm_fd, connector,
> -				   igt_kms_get_alt_edid());
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  connector->connector_id);
> -
> -		for (i = 0; i < temp->count_modes; i++) {
> -			if (temp->modes[i].hdisplay == 1400 &&
> -			    temp->modes[i].vdisplay == 1050)
> -				break;
> -		}
> -		igt_require_f(i != temp->count_modes, "1400x1050 not on mode list\n");
> -
> -		drmModeFreeConnector(temp);
> -
> -		kmstest_force_edid(drm_fd, connector,
> -				   igt_kms_get_base_edid());
> -		temp = drmModeGetConnectorCurrent(drm_fd,
> -						  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, connector, NULL);
> -		kmstest_force_connector(drm_fd, connector,
> -					FORCE_CONNECTOR_UNSPECIFIED);
> +	for (i = 0; i < ARRAY_SIZE(tests); i++) {
> +		igt_describe_f("%s", tests[i].desc);
> +		igt_subtest_f("%s", tests[i].name)
> +			tests[i].func(drm_fd, connector);
>   	}
>   
>   	igt_fixture {



More information about the igt-dev mailing list