/* * Copyright © 2013, 2015 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. * * Authors: * Paulo Zanoni * */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "igt.h" #include "igt_kmod.h" #include "igt_sysfs.h" #include "igt_debugfs.h" #include "igt_device.h" #include "igt_edid.h" #define MSR_PKG_CST_CONFIG_CONTROL 0xE2 /* HSW/BDW: */ #define PKG_CST_LIMIT_MASK 0xF #define PKG_CST_LIMIT_C8 0x6 #define MSR_PC8_RES 0x630 #define MSR_PC9_RES 0x631 #define MSR_PC10_RES 0x632 #define MAX_CONNECTORS 32 #define MAX_ENCODERS 32 #define MAX_CRTCS 16 enum pc8_status { PC8_ENABLED, PC8_DISABLED }; enum screen_type { SCREEN_TYPE_LPSP, SCREEN_TYPE_NON_LPSP, SCREEN_TYPE_ANY, }; enum plane_type { PLANE_OVERLAY, PLANE_PRIMARY, PLANE_CURSOR, }; /* Wait flags */ #define DONT_WAIT 0 #define WAIT_STATUS 1 #define WAIT_PC8_RES 2 #define WAIT_EXTRA 4 #define USE_DPMS 8 int drm_fd, msr_fd, pc8_status_fd; int debugfs; bool has_runtime_pm, has_pc8; struct mode_set_data ms_data; /* Stuff used when creating FBs and mode setting. */ struct mode_set_data { drmModeResPtr res; drmModeConnectorPtr connectors[MAX_CONNECTORS]; drmModePropertyBlobPtr edids[MAX_CONNECTORS]; uint32_t devid; }; /* Stuff we query at different times so we can compare. */ struct compare_data { drmModeResPtr res; drmModeEncoderPtr encoders[MAX_ENCODERS]; drmModeConnectorPtr connectors[MAX_CONNECTORS]; drmModeCrtcPtr crtcs[MAX_CRTCS]; drmModePropertyBlobPtr edids[MAX_CONNECTORS]; }; struct modeset_params { uint32_t crtc_id; uint32_t connector_id; struct igt_fb fb; drmModeModeInfoPtr mode; }; struct modeset_params lpsp_mode_params; struct modeset_params non_lpsp_mode_params; struct modeset_params *default_mode_params; static int8_t *pm_data = NULL; static int modprobe(const char *driver) { return igt_kmod_load(driver, NULL); } /* If the read fails, then the machine doesn't support PC8+ residencies. */ static bool supports_pc8_plus_residencies(void) { int rc; uint64_t val; rc = pread(msr_fd, &val, sizeof(uint64_t), MSR_PC8_RES); if (rc != sizeof(val)) return false; rc = pread(msr_fd, &val, sizeof(uint64_t), MSR_PC9_RES); if (rc != sizeof(val)) return false; rc = pread(msr_fd, &val, sizeof(uint64_t), MSR_PC10_RES); if (rc != sizeof(val)) return false; rc = pread(msr_fd, &val, sizeof(uint64_t), MSR_PKG_CST_CONFIG_CONTROL); if (rc != sizeof(val)) return false; if ((val & PKG_CST_LIMIT_MASK) < PKG_CST_LIMIT_C8) { igt_info("PKG C-states limited below PC8 by the BIOS\n"); return false; } return true; } static uint64_t get_residency(uint32_t type) { int rc; uint64_t ret; rc = pread(msr_fd, &ret, sizeof(uint64_t), type); igt_assert(rc == sizeof(ret)); return ret; } static bool pc8_plus_residency_changed(unsigned int timeout_sec) { uint64_t res_pc8, res_pc9, res_pc10; res_pc8 = get_residency(MSR_PC8_RES); res_pc9 = get_residency(MSR_PC9_RES); res_pc10 = get_residency(MSR_PC10_RES); return igt_wait(res_pc8 != get_residency(MSR_PC8_RES) || res_pc9 != get_residency(MSR_PC9_RES) || res_pc10 != get_residency(MSR_PC10_RES), timeout_sec * 1000, 100); } static enum pc8_status get_pc8_status(void) { ssize_t n_read; char buf[150]; /* The whole file has less than 100 chars. */ lseek(pc8_status_fd, 0, SEEK_SET); n_read = read(pc8_status_fd, buf, ARRAY_SIZE(buf)); igt_assert(n_read >= 0); buf[n_read] = '\0'; if (strstr(buf, "\nEnabled: yes\n")) return PC8_ENABLED; else return PC8_DISABLED; } static bool wait_for_pc8_status(enum pc8_status status) { return igt_wait(get_pc8_status() == status, 10000, 100); } static bool wait_for_suspended(void) { if (has_pc8 && !has_runtime_pm) return wait_for_pc8_status(PC8_ENABLED); else return igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED); } static bool wait_for_active(void) { if (has_pc8 && !has_runtime_pm) return wait_for_pc8_status(PC8_DISABLED); else return igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_ACTIVE); } static void disable_all_screens_dpms(struct mode_set_data *data) { if (!data->res) return; for (int i = 0; i < data->res->count_connectors; i++) { drmModeConnectorPtr c = data->connectors[i]; kmstest_set_connector_dpms(drm_fd, c, DRM_MODE_DPMS_OFF); } } static void disable_all_screens(struct mode_set_data *data) { if (data->res) kmstest_unset_all_crtcs(drm_fd, data->res); } #define disable_all_screens_and_wait(data) do { \ disable_all_screens(data); \ igt_assert(wait_for_suspended()); \ } while (0) static void disable_or_dpms_all_screens(struct mode_set_data *data, bool dpms) { if (dpms) disable_all_screens_dpms(&ms_data); else disable_all_screens(&ms_data); } #define disable_or_dpms_all_screens_and_wait(data, dpms) do { \ disable_or_dpms_all_screens((data), (dpms)); \ igt_assert(wait_for_suspended()); \ } while (0) static bool init_modeset_params_for_type(struct mode_set_data *data, struct modeset_params *params, enum screen_type type) { drmModeConnectorPtr connector = NULL; drmModeModeInfoPtr mode = NULL; if (!data->res) return false; for (int i = 0; i < data->res->count_connectors; i++) { drmModeConnectorPtr c = data->connectors[i]; if (type == SCREEN_TYPE_LPSP && c->connector_type != DRM_MODE_CONNECTOR_eDP) continue; if (type == SCREEN_TYPE_NON_LPSP && c->connector_type == DRM_MODE_CONNECTOR_eDP) continue; if (c->connection == DRM_MODE_CONNECTED && c->count_modes) { connector = c; mode = &c->modes[0]; break; } } if (!connector) return false; igt_create_pattern_fb(drm_fd, mode->hdisplay, mode->vdisplay, DRM_FORMAT_XRGB8888, LOCAL_DRM_FORMAT_MOD_NONE, ¶ms->fb); params->crtc_id = kmstest_find_crtc_for_connector(drm_fd, data->res, connector, 0); params->connector_id = connector->connector_id; params->mode = mode; return true; } static void init_modeset_cached_params(struct mode_set_data *data) { bool lpsp, non_lpsp; lpsp = init_modeset_params_for_type(data, &lpsp_mode_params, SCREEN_TYPE_LPSP); non_lpsp = init_modeset_params_for_type(data, &non_lpsp_mode_params, SCREEN_TYPE_NON_LPSP); if (lpsp) default_mode_params = &lpsp_mode_params; else if (non_lpsp) default_mode_params = &non_lpsp_mode_params; else default_mode_params = NULL; } static bool set_mode_for_params(struct modeset_params *params) { int rc; rc = drmModeSetCrtc(drm_fd, params->crtc_id, params->fb.fb_id, 0, 0, ¶ms->connector_id, 1, params->mode); return (rc == 0); } #define set_mode_for_params_and_wait(params) do { \ igt_assert(set_mode_for_params(params)); \ igt_assert(wait_for_active()); \ } while (0) static bool enable_one_screen_with_type(struct mode_set_data *data, enum screen_type type) { struct modeset_params *params = NULL; switch (type) { case SCREEN_TYPE_ANY: params = default_mode_params; break; case SCREEN_TYPE_LPSP: params = &lpsp_mode_params; break; case SCREEN_TYPE_NON_LPSP: params = &non_lpsp_mode_params; break; default: igt_assert(0); } if (!params) return false; return set_mode_for_params(params); } static void enable_one_screen(struct mode_set_data *data) { /* SKIP if there are no connected screens. */ igt_require(enable_one_screen_with_type(data, SCREEN_TYPE_ANY)); } #define enable_one_screen_and_wait(data) do { \ enable_one_screen(data); \ igt_assert(wait_for_active()); \ } while (0) static drmModePropertyBlobPtr get_connector_edid(drmModeConnectorPtr connector, int index) { bool found; uint64_t prop_value; drmModePropertyPtr prop; drmModePropertyBlobPtr blob = NULL; found = kmstest_get_property(drm_fd, connector->connector_id, DRM_MODE_OBJECT_CONNECTOR, "EDID", NULL, &prop_value, &prop); if (found) { igt_assert(prop->flags & DRM_MODE_PROP_BLOB); igt_assert(prop->count_blobs == 0); blob = drmModeGetPropertyBlob(drm_fd, prop_value); drmModeFreeProperty(prop); } return blob; } static void init_mode_set_data(struct mode_set_data *data) { data->res = drmModeGetResources(drm_fd); if (data->res) { igt_assert(data->res->count_connectors <= MAX_CONNECTORS); for (int i = 0; i < data->res->count_connectors; i++) { data->connectors[i] = drmModeGetConnector(drm_fd, data->res->connectors[i]); data->edids[i] = get_connector_edid(data->connectors[i], i); } kmstest_set_vt_graphics_mode(); } data->devid = intel_get_drm_devid(drm_fd); init_modeset_cached_params(&ms_data); } static void fini_mode_set_data(struct mode_set_data *data) { if (data->res) { for (int i = 0; i < data->res->count_connectors; i++) { drmModeFreeConnector(data->connectors[i]); drmModeFreePropertyBlob(data->edids[i]); } drmModeFreeResources(data->res); } } static void get_drm_info(struct compare_data *data) { int i; data->res = drmModeGetResources(drm_fd); if (!data->res) return; igt_assert(data->res->count_connectors <= MAX_CONNECTORS); igt_assert(data->res->count_encoders <= MAX_ENCODERS); igt_assert(data->res->count_crtcs <= MAX_CRTCS); for (i = 0; i < data->res->count_connectors; i++) { /* Don't use GetConnectorCurrent, we want to force a reprobe * here. */ data->connectors[i] = drmModeGetConnector(drm_fd, data->res->connectors[i]); data->edids[i] = get_connector_edid(data->connectors[i], i); } for (i = 0; i < data->res->count_encoders; i++) data->encoders[i] = drmModeGetEncoder(drm_fd, data->res->encoders[i]); for (i = 0; i < data->res->count_crtcs; i++) data->crtcs[i] = drmModeGetCrtc(drm_fd, data->res->crtcs[i]); } static void free_drm_info(struct compare_data *data) { int i; if (!data->res) return; for (i = 0; i < data->res->count_connectors; i++) { drmModeFreeConnector(data->connectors[i]); drmModeFreePropertyBlob(data->edids[i]); } for (i = 0; i < data->res->count_encoders; i++) drmModeFreeEncoder(data->encoders[i]); for (i = 0; i < data->res->count_crtcs; i++) drmModeFreeCrtc(data->crtcs[i]); drmModeFreeResources(data->res); } #define COMPARE(d1, d2, data) igt_assert_eq(d1->data, d2->data) #define COMPARE_ARRAY(d1, d2, size, data) do { \ for (i = 0; i < size; i++) \ igt_assert(d1->data[i] == d2->data[i]); \ } while (0) static void assert_drm_resources_equal(struct compare_data *d1, struct compare_data *d2) { COMPARE(d1, d2, res->count_connectors); COMPARE(d1, d2, res->count_encoders); COMPARE(d1, d2, res->count_crtcs); COMPARE(d1, d2, res->min_width); COMPARE(d1, d2, res->max_width); COMPARE(d1, d2, res->min_height); COMPARE(d1, d2, res->max_height); } static void assert_modes_equal(drmModeModeInfoPtr m1, drmModeModeInfoPtr m2) { COMPARE(m1, m2, clock); COMPARE(m1, m2, hdisplay); COMPARE(m1, m2, hsync_start); COMPARE(m1, m2, hsync_end); COMPARE(m1, m2, htotal); COMPARE(m1, m2, hskew); COMPARE(m1, m2, vdisplay); COMPARE(m1, m2, vsync_start); COMPARE(m1, m2, vsync_end); COMPARE(m1, m2, vtotal); COMPARE(m1, m2, vscan); COMPARE(m1, m2, vrefresh); COMPARE(m1, m2, flags); COMPARE(m1, m2, type); igt_assert(strcmp(m1->name, m2->name) == 0); } static void assert_drm_connectors_equal(drmModeConnectorPtr c1, drmModeConnectorPtr c2) { int i; COMPARE(c1, c2, connector_id); COMPARE(c1, c2, connector_type); COMPARE(c1, c2, connector_type_id); COMPARE(c1, c2, mmWidth); COMPARE(c1, c2, mmHeight); COMPARE(c1, c2, count_modes); COMPARE(c1, c2, count_props); COMPARE(c1, c2, count_encoders); COMPARE_ARRAY(c1, c2, c1->count_props, props); COMPARE_ARRAY(c1, c2, c1->count_encoders, encoders); for (i = 0; i < c1->count_modes; i++) assert_modes_equal(&c1->modes[0], &c2->modes[0]); } static void assert_drm_encoders_equal(drmModeEncoderPtr e1, drmModeEncoderPtr e2) { COMPARE(e1, e2, encoder_id); COMPARE(e1, e2, encoder_type); COMPARE(e1, e2, possible_crtcs); COMPARE(e1, e2, possible_clones); } static void assert_drm_crtcs_equal(drmModeCrtcPtr c1, drmModeCrtcPtr c2) { COMPARE(c1, c2, crtc_id); } static void assert_drm_edids_equal(drmModePropertyBlobPtr e1, drmModePropertyBlobPtr e2) { if (!e1 && !e2) return; igt_assert(e1 && e2); COMPARE(e1, e2, length); igt_assert(memcmp(e1->data, e2->data, e1->length) == 0); } static void assert_drm_infos_equal(struct compare_data *d1, struct compare_data *d2) { int i; if (d1->res == d2->res) return; igt_assert(d1->res); igt_assert(d2->res); assert_drm_resources_equal(d1, d2); for (i = 0; i < d1->res->count_connectors; i++) { assert_drm_connectors_equal(d1->connectors[i], d2->connectors[i]); assert_drm_edids_equal(d1->edids[i], d2->edids[i]); } for (i = 0; i < d1->res->count_encoders; i++) assert_drm_encoders_equal(d1->encoders[i], d2->encoders[i]); for (i = 0; i < d1->res->count_crtcs; i++) assert_drm_crtcs_equal(d1->crtcs[i], d2->crtcs[i]); } static bool find_i2c_path(const char *connector_name, char *i2c_path) { struct dirent *dirent; DIR *dir; int sysfs_card_fd = igt_sysfs_open(drm_fd); int connector_fd = -1; bool found_i2c_file = false; dir = fdopendir(sysfs_card_fd); igt_assert(dir); while ((dirent = readdir(dir))) { /* Skip "cardx-" prefix */ char *dirname = strchr(dirent->d_name, '-'); if (dirname==NULL) continue; ++dirname; if (strcmp(dirname, connector_name) == 0) { connector_fd = openat(sysfs_card_fd, dirent->d_name, O_RDONLY); break; } } closedir(dir); if (connector_fd < 0) return false; dir = fdopendir(connector_fd); igt_assert(dir); while ((dirent = readdir(dir))) { if (strncmp(dirent->d_name, "i2c-", 4) == 0) { sprintf(i2c_path, "/dev/%s", dirent->d_name); found_i2c_file = true; } } closedir(dir); return found_i2c_file; } static bool i2c_read_edid(const char *connector_name, unsigned char *edid) { char i2c_path[PATH_MAX]; bool result; int rc, fd; struct i2c_msg msgs[] = { { /* Start at 0. */ .addr = 0x50, .flags = 0, .len = 1, .buf = edid, }, { /* Now read the EDID. */ .addr = 0x50, .flags = I2C_M_RD, .len = 128, .buf = edid, } }; struct i2c_rdwr_ioctl_data msgset = { .msgs = msgs, .nmsgs = 2, }; result = find_i2c_path(connector_name, i2c_path); if (!result) return false; fd = open(i2c_path, O_RDWR); igt_assert_neq(fd, -1); rc = ioctl(fd, I2C_RDWR, &msgset); if (rc==-1) { igt_debug("I2C access failed with errno %d, %s\n", errno, strerror(errno)); errno = 0; } close(fd); return rc >= 0; } static void format_hex_string(const unsigned char edid[static EDID_BLOCK_SIZE], char buf[static EDID_BLOCK_SIZE * 5 + 1]) { for (int i = 0; i < EDID_BLOCK_SIZE; ++i) sprintf(buf+i*5, "0x%02x ", edid[i]); } static void test_i2c(struct mode_set_data *data) { bool edid_mistmach_i2c_vs_drm = false; igt_display_t display; igt_display_require(&display, drm_fd); for (int i = 0; i < data->res->count_connectors; i++) { unsigned char *drm_edid = data->edids[i] ? data->edids[i]->data : NULL; unsigned char i2c_edid[EDID_BLOCK_SIZE] = {}; igt_output_t *output = igt_output_from_connector(&display, data->connectors[i]); char *connector_name = (char *) igt_output_name(output); bool got_i2c_edid = i2c_read_edid(connector_name, i2c_edid); bool got_drm_edid = drm_edid != NULL; bool is_vga = data->connectors[i]->connector_type == DRM_MODE_CONNECTOR_VGA; bool edids_equal; /* We fail to detect some VGA monitors using our i2c method. If you look * at the dmesg of these cases, you'll see the Kernel complaining about * the EDID reading mostly FFs and then disabling bit-banging. Since we * don't want to reimplement everything the Kernel does, let's just * accept the fact that some VGA outputs won't be properly detected. */ if (is_vga) continue; if (!got_i2c_edid && !got_drm_edid) continue; if (got_i2c_edid && got_drm_edid) edids_equal = (0 == memcmp(drm_edid, i2c_edid, EDID_BLOCK_SIZE)); else edids_equal = false; if (!edids_equal) { char buf[5 * EDID_BLOCK_SIZE + 1]; igt_critical("Detected EDID mismatch on connector %s\n", connector_name); if(got_i2c_edid) format_hex_string(i2c_edid, buf); else sprintf(buf, "NULL"); igt_critical("i2c: %s\n", buf); if(got_drm_edid) format_hex_string(drm_edid, buf); else sprintf(buf, "NULL"); igt_critical("drm: %s\n", buf); edid_mistmach_i2c_vs_drm = true; } } igt_fail_on_f(edid_mistmach_i2c_vs_drm, "There is an EDID mismatch between i2c and DRM!\n"); } static void setup_pc8(void) { has_pc8 = false; /* Only Haswell supports the PC8 feature. */ if (!IS_HASWELL(ms_data.devid) && !IS_BROADWELL(ms_data.devid)) return; /* Make sure our Kernel supports MSR and the module is loaded. */ igt_require(modprobe("msr") == 0); msr_fd = open("/dev/cpu/0/msr", O_RDONLY); igt_assert_f(msr_fd >= 0, "Can't open /dev/cpu/0/msr.\n"); /* Non-ULT machines don't support PC8+. */ if (!supports_pc8_plus_residencies()) return; pc8_status_fd = openat(debugfs, "i915_pc8_status", O_RDONLY); if (pc8_status_fd == -1) pc8_status_fd = openat(debugfs, "i915_runtime_pm_status", O_RDONLY); igt_assert_f(pc8_status_fd >= 0, "Can't open /sys/kernel/debug/dri/0/i915_runtime_pm_status"); has_pc8 = true; } static bool dmc_loaded(void) { char buf[15]; int len; len = igt_sysfs_read(debugfs, "i915_dmc_info", buf, sizeof(buf) - 1); if (len < 0) return true; /* no CSR support, no DMC requirement */ buf[len] = '\0'; igt_info("DMC: %s\n", buf); return strstr(buf, "fw loaded: yes"); } static void dump_file(int dir, const char *filename) { char *contents; contents = igt_sysfs_get(dir, filename); if (!contents) return; igt_info("%s:\n%s\n", filename, contents); free(contents); } static bool setup_environment(void) { if (has_runtime_pm) goto out; drm_fd = __drm_open_driver(DRIVER_INTEL); igt_require(drm_fd != -1); igt_device_set_master(drm_fd); debugfs = igt_debugfs_dir(drm_fd); igt_require(debugfs != -1); init_mode_set_data(&ms_data); pm_data = igt_pm_enable_sata_link_power_management(); has_runtime_pm = igt_setup_runtime_pm(); setup_pc8(); igt_info("Runtime PM support: %d\n", has_runtime_pm); igt_info("PC8 residency support: %d\n", has_pc8); igt_require(has_runtime_pm); igt_require(dmc_loaded()); out: disable_all_screens(&ms_data); dump_file(debugfs, "i915_runtime_pm_status"); return wait_for_suspended(); } static void teardown_environment(void) { close(msr_fd); if (has_pc8) close(pc8_status_fd); igt_restore_runtime_pm(); igt_pm_restore_sata_link_power_management(pm_data); free(pm_data); fini_mode_set_data(&ms_data); close(debugfs); close(drm_fd); has_runtime_pm = false; } static void basic_subtest(void) { disable_all_screens_and_wait(&ms_data); if (ms_data.res) enable_one_screen_and_wait(&ms_data); /* XXX Also we can test wake up via exec nop */ } static void pc8_residency_subtest(void) { igt_require(has_pc8); /* Make sure PC8+ residencies move! */ disable_all_screens(&ms_data); igt_assert_f(pc8_plus_residency_changed(30), "Machine is not reaching PC8+ states, please check its " "configuration.\n"); /* Make sure PC8+ residencies stop! */ enable_one_screen(&ms_data); igt_assert_f(!pc8_plus_residency_changed(10), "PC8+ residency didn't stop with screen enabled.\n"); } static void modeset_subtest(enum screen_type type, int rounds, int wait_flags) { int i; if (wait_flags & WAIT_PC8_RES) igt_require(has_pc8); if (wait_flags & WAIT_EXTRA) rounds /= 2; for (i = 0; i < rounds; i++) { if (wait_flags & USE_DPMS) disable_all_screens_dpms(&ms_data); else disable_all_screens(&ms_data); if (wait_flags & WAIT_STATUS) igt_assert(wait_for_suspended()); if (wait_flags & WAIT_PC8_RES) igt_assert(pc8_plus_residency_changed(30)); if (wait_flags & WAIT_EXTRA) sleep(5); /* If we skip this line it's because the type of screen we want * is not connected. */ igt_require(enable_one_screen_with_type(&ms_data, type)); if (wait_flags & WAIT_STATUS) igt_assert(wait_for_active()); if (wait_flags & WAIT_PC8_RES) igt_assert(!pc8_plus_residency_changed(5)); if (wait_flags & WAIT_EXTRA) sleep(5); } } /* Test of the DRM resources reported by the IOCTLs are still the same. This * ensures we still see the monitors with the same eyes. We get the EDIDs and * compare them, which ensures we use DP AUX or GMBUS depending on what's * connected. */ static void drm_resources_equal_subtest(void) { struct compare_data pre_suspend, during_suspend, post_suspend; enable_one_screen_and_wait(&ms_data); get_drm_info(&pre_suspend); igt_assert(wait_for_active()); disable_all_screens_and_wait(&ms_data); get_drm_info(&during_suspend); igt_assert(wait_for_suspended()); enable_one_screen_and_wait(&ms_data); get_drm_info(&post_suspend); igt_assert(wait_for_active()); assert_drm_infos_equal(&pre_suspend, &during_suspend); assert_drm_infos_equal(&pre_suspend, &post_suspend); free_drm_info(&pre_suspend); free_drm_info(&during_suspend); free_drm_info(&post_suspend); } static void i2c_subtest_check_environment(void) { int i2c_dev_files = 0; DIR *dev_dir; struct dirent *dirent; /* Make sure the /dev/i2c-* files exist. */ igt_require(modprobe("i2c-dev") == 0); dev_dir = opendir("/dev"); igt_assert(dev_dir); while ((dirent = readdir(dev_dir))) { if (strncmp(dirent->d_name, "i2c-", 4) == 0) i2c_dev_files++; } closedir(dev_dir); igt_require(i2c_dev_files); } /* Try to use raw I2C, which also needs interrupts. */ static void i2c_subtest(void) { i2c_subtest_check_environment(); enable_one_screen_and_wait(&ms_data); disable_all_screens_and_wait(&ms_data); test_i2c(&ms_data); igt_assert(wait_for_suspended()); enable_one_screen(&ms_data); } static int read_entry(const char *filepath, const struct stat *info, const int typeflag, struct FTW *pathinfo) { char buf[4096]; int fd; int rc; igt_assert_f(wait_for_suspended(), "Before opening: %s (%s)\n", filepath + pathinfo->base, filepath); fd = open(filepath, O_RDONLY | O_NONBLOCK); if (fd < 0) { igt_debug("Failed to open '%s': %m\n", filepath); return 0; } do { rc = read(fd, buf, sizeof(buf)); } while (rc == sizeof(buf)); close(fd); igt_assert_f(wait_for_suspended(), "After closing: %s (%s)\n", filepath + pathinfo->base, filepath); return 0; } static void walk_fs(char *path) { disable_all_screens_and_wait(&ms_data); nftw(path, read_entry, 20, FTW_PHYS | FTW_MOUNT); } /* This test will probably pass, with a small chance of hanging the machine in * case of bugs. Many of the bugs exercised by this patch just result in dmesg * errors, so a "pass" here should be confirmed by a check on dmesg. */ static void debugfs_read_subtest(void) { char path[256]; igt_require_f(igt_debugfs_path(drm_fd, path, sizeof(path)), "Can't find the debugfs directory\n"); walk_fs(path); } /* Read the comment on debugfs_read_subtest(). */ static void sysfs_read_subtest(void) { char path[80]; igt_require_f(igt_sysfs_path(drm_fd, path, sizeof(path)), "Can't find the sysfs directory\n"); walk_fs(path); } /* Make sure we don't suspend when we have the i915_forcewake_user file open. */ static void debugfs_forcewake_user_subtest(void) { int fd, rc; igt_require(intel_gen(ms_data.devid) >= 6); disable_all_screens_and_wait(&ms_data); fd = igt_open_forcewake_handle(drm_fd); igt_require(fd >= 0); if (has_runtime_pm) { igt_assert(wait_for_active()); sleep(10); igt_assert(wait_for_active()); } else { igt_assert(wait_for_suspended()); } rc = close(fd); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); } static void gem_mmap_subtest(bool gtt_mmap) { int i; uint32_t handle; int buf_size = 8192; uint8_t *gem_buf; /* Create, map and set data while the device is active. */ enable_one_screen_and_wait(&ms_data); handle = gem_create(drm_fd, buf_size); if (gtt_mmap) { gem_buf = gem_mmap__gtt(drm_fd, handle, buf_size, PROT_READ | PROT_WRITE); } else { gem_buf = gem_mmap__cpu(drm_fd, handle, 0, buf_size, 0); } for (i = 0; i < buf_size; i++) gem_buf[i] = i & 0xFF; for (i = 0; i < buf_size; i++) igt_assert(gem_buf[i] == (i & 0xFF)); /* Now suspend, read and modify. */ disable_all_screens_and_wait(&ms_data); for (i = 0; i < buf_size; i++) igt_assert(gem_buf[i] == (i & 0xFF)); igt_assert(wait_for_suspended()); for (i = 0; i < buf_size; i++) gem_buf[i] = (~i & 0xFF); igt_assert(wait_for_suspended()); /* Now resume and see if it's still there. */ enable_one_screen_and_wait(&ms_data); for (i = 0; i < buf_size; i++) igt_assert(gem_buf[i] == (~i & 0xFF)); igt_assert(munmap(gem_buf, buf_size) == 0); /* Now the opposite: suspend, and try to create the mmap while * suspended. */ disable_all_screens_and_wait(&ms_data); if (gtt_mmap) { gem_buf = gem_mmap__gtt(drm_fd, handle, buf_size, PROT_READ | PROT_WRITE); } else { gem_buf = gem_mmap__cpu(drm_fd, handle, 0, buf_size, 0); } igt_assert(wait_for_suspended()); for (i = 0; i < buf_size; i++) gem_buf[i] = i & 0xFF; for (i = 0; i < buf_size; i++) igt_assert(gem_buf[i] == (i & 0xFF)); igt_assert(wait_for_suspended()); /* Resume and check if it's still there. */ enable_one_screen_and_wait(&ms_data); for (i = 0; i < buf_size; i++) igt_assert(gem_buf[i] == (i & 0xFF)); igt_assert(munmap(gem_buf, buf_size) == 0); gem_close(drm_fd, handle); } static void gem_pread_subtest(void) { int i; uint32_t handle; int buf_size = 8192; uint8_t *cpu_buf, *read_buf; cpu_buf = malloc(buf_size); read_buf = malloc(buf_size); igt_assert(cpu_buf); igt_assert(read_buf); memset(cpu_buf, 0, buf_size); memset(read_buf, 0, buf_size); /* Create and set data while the device is active. */ enable_one_screen_and_wait(&ms_data); handle = gem_create(drm_fd, buf_size); for (i = 0; i < buf_size; i++) cpu_buf[i] = i & 0xFF; gem_write(drm_fd, handle, 0, cpu_buf, buf_size); gem_read(drm_fd, handle, 0, read_buf, buf_size); for (i = 0; i < buf_size; i++) igt_assert(cpu_buf[i] == read_buf[i]); /* Now suspend, read and modify. */ disable_all_screens_and_wait(&ms_data); memset(read_buf, 0, buf_size); gem_read(drm_fd, handle, 0, read_buf, buf_size); for (i = 0; i < buf_size; i++) igt_assert(cpu_buf[i] == read_buf[i]); igt_assert(wait_for_suspended()); for (i = 0; i < buf_size; i++) cpu_buf[i] = (~i & 0xFF); gem_write(drm_fd, handle, 0, cpu_buf, buf_size); igt_assert(wait_for_suspended()); /* Now resume and see if it's still there. */ enable_one_screen_and_wait(&ms_data); memset(read_buf, 0, buf_size); gem_read(drm_fd, handle, 0, read_buf, buf_size); for (i = 0; i < buf_size; i++) igt_assert(cpu_buf[i] == read_buf[i]); gem_close(drm_fd, handle); free(cpu_buf); free(read_buf); } /* Paints a square of color $color, size $width x $height, at position $x x $y * of $dst_handle, which contains pitch $pitch. */ static void submit_blt_cmd(uint32_t dst_handle, uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint32_t pitch, uint32_t color, uint32_t *presumed_dst_offset) { int i, reloc_pos; uint32_t batch_handle; int batch_size = 8 * sizeof(uint32_t); uint32_t batch_buf[batch_size]; struct drm_i915_gem_execbuffer2 execbuf = {}; struct drm_i915_gem_exec_object2 objs[2] = {{}, {}}; struct drm_i915_gem_relocation_entry relocs[1] = {{}}; struct drm_i915_gem_wait gem_wait; i = 0; if (intel_gen(ms_data.devid) >= 8) batch_buf[i++] = XY_COLOR_BLT_CMD_NOLEN | XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB | 0x5; else batch_buf[i++] = XY_COLOR_BLT_CMD_NOLEN | XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB | 0x4; batch_buf[i++] = (3 << 24) | (0xF0 << 16) | (pitch); batch_buf[i++] = (y << 16) | x; batch_buf[i++] = ((y + height) << 16) | (x + width); reloc_pos = i; batch_buf[i++] = *presumed_dst_offset; if (intel_gen(ms_data.devid) >= 8) batch_buf[i++] = 0; batch_buf[i++] = color; batch_buf[i++] = MI_BATCH_BUFFER_END; if (intel_gen(ms_data.devid) < 8) batch_buf[i++] = MI_NOOP; igt_assert(i * sizeof(uint32_t) == batch_size); batch_handle = gem_create(drm_fd, batch_size); gem_write(drm_fd, batch_handle, 0, batch_buf, batch_size); relocs[0].target_handle = dst_handle; relocs[0].delta = 0; relocs[0].offset = reloc_pos * sizeof(uint32_t); relocs[0].presumed_offset = *presumed_dst_offset; relocs[0].read_domains = 0; relocs[0].write_domain = I915_GEM_DOMAIN_RENDER; objs[0].handle = dst_handle; objs[0].alignment = 64; objs[1].handle = batch_handle; objs[1].relocation_count = 1; objs[1].relocs_ptr = (uintptr_t)relocs; execbuf.buffers_ptr = (uintptr_t)objs; execbuf.buffer_count = 2; execbuf.batch_len = batch_size; execbuf.flags = I915_EXEC_BLT; i915_execbuffer2_set_context_id(execbuf, 0); gem_execbuf(drm_fd, &execbuf); *presumed_dst_offset = relocs[0].presumed_offset; gem_wait.flags = 0; gem_wait.timeout_ns = 10000000000LL; /* 10s */ gem_wait.bo_handle = batch_handle; do_ioctl(drm_fd, DRM_IOCTL_I915_GEM_WAIT, &gem_wait); gem_wait.bo_handle = dst_handle; do_ioctl(drm_fd, DRM_IOCTL_I915_GEM_WAIT, &gem_wait); gem_close(drm_fd, batch_handle); } /* Make sure we can submit a batch buffer and verify its result. */ static void gem_execbuf_subtest(void) { int x, y; uint32_t handle; int bpp = 4; int pitch = 128 * bpp; int dst_size = 128 * 128 * bpp; /* 128x128 square */ uint32_t *cpu_buf; uint32_t presumed_offset = 0; int sq_x = 5, sq_y = 10, sq_w = 15, sq_h = 20; uint32_t color; igt_require_gem(drm_fd); /* Create and set data while the device is active. */ enable_one_screen_and_wait(&ms_data); handle = gem_create(drm_fd, dst_size); cpu_buf = malloc(dst_size); igt_assert(cpu_buf); memset(cpu_buf, 0, dst_size); gem_write(drm_fd, handle, 0, cpu_buf, dst_size); /* Now suspend and try it. */ disable_all_screens_and_wait(&ms_data); color = 0x12345678; submit_blt_cmd(handle, sq_x, sq_y, sq_w, sq_h, pitch, color, &presumed_offset); igt_assert(wait_for_suspended()); gem_read(drm_fd, handle, 0, cpu_buf, dst_size); igt_assert(wait_for_suspended()); for (y = 0; y < 128; y++) { for (x = 0; x < 128; x++) { uint32_t px = cpu_buf[y * 128 + x]; if (y >= sq_y && y < (sq_y + sq_h) && x >= sq_x && x < (sq_x + sq_w)) igt_assert_eq_u32(px, color); else igt_assert(px == 0); } } /* Now resume and check for it again. */ enable_one_screen_and_wait(&ms_data); memset(cpu_buf, 0, dst_size); gem_read(drm_fd, handle, 0, cpu_buf, dst_size); for (y = 0; y < 128; y++) { for (x = 0; x < 128; x++) { uint32_t px = cpu_buf[y * 128 + x]; if (y >= sq_y && y < (sq_y + sq_h) && x >= sq_x && x < (sq_x + sq_w)) igt_assert_eq_u32(px, color); else igt_assert(px == 0); } } /* Now we'll do the opposite: do the blt while active, then read while * suspended. We use the same spot, but a different color. As a bonus, * we're testing the presumed_offset from the previous command. */ color = 0x87654321; submit_blt_cmd(handle, sq_x, sq_y, sq_w, sq_h, pitch, color, &presumed_offset); disable_all_screens_and_wait(&ms_data); memset(cpu_buf, 0, dst_size); gem_read(drm_fd, handle, 0, cpu_buf, dst_size); for (y = 0; y < 128; y++) { for (x = 0; x < 128; x++) { uint32_t px = cpu_buf[y * 128 + x]; if (y >= sq_y && y < (sq_y + sq_h) && x >= sq_x && x < (sq_x + sq_w)) igt_assert_eq_u32(px, color); else igt_assert(px == 0); } } gem_close(drm_fd, handle); free(cpu_buf); } /* Assuming execbuf already works, let's see what happens when we force many * suspend/resume cycles with commands. */ static void gem_execbuf_stress_subtest(int rounds, int wait_flags) { int i; int batch_size = 4 * sizeof(uint32_t); uint32_t batch_buf[batch_size]; uint32_t handle; struct drm_i915_gem_execbuffer2 execbuf = {}; struct drm_i915_gem_exec_object2 objs[1] = {{}}; igt_require_gem(drm_fd); if (wait_flags & WAIT_PC8_RES) igt_require(has_pc8); i = 0; batch_buf[i++] = MI_NOOP; batch_buf[i++] = MI_NOOP; batch_buf[i++] = MI_BATCH_BUFFER_END; batch_buf[i++] = MI_NOOP; igt_assert(i * sizeof(uint32_t) == batch_size); disable_all_screens_and_wait(&ms_data); handle = gem_create(drm_fd, batch_size); gem_write(drm_fd, handle, 0, batch_buf, batch_size); objs[0].handle = handle; execbuf.buffers_ptr = (uintptr_t)objs; execbuf.buffer_count = 1; execbuf.batch_len = batch_size; execbuf.flags = I915_EXEC_RENDER; i915_execbuffer2_set_context_id(execbuf, 0); for (i = 0; i < rounds; i++) { gem_execbuf(drm_fd, &execbuf); if (wait_flags & WAIT_STATUS) { /* clean up idle work */ igt_drop_caches_set(drm_fd, DROP_IDLE); igt_assert(wait_for_suspended()); } if (wait_flags & WAIT_PC8_RES) igt_assert(pc8_plus_residency_changed(30)); if (wait_flags & WAIT_EXTRA) sleep(5); } gem_close(drm_fd, handle); } /* When this test was written, it triggered WARNs and DRM_ERRORs on dmesg. */ static void gem_idle_subtest(void) { disable_all_screens_and_wait(&ms_data); sleep(5); gem_test_engine(drm_fd, -1); } static void gem_evict_pwrite_subtest(void) { struct { uint32_t handle; uint32_t *ptr; } *trash_bos; unsigned int num_trash_bos, n; uint32_t buf; num_trash_bos = gem_mappable_aperture_size() / (1024*1024) + 1; trash_bos = malloc(num_trash_bos * sizeof(*trash_bos)); igt_assert(trash_bos); for (n = 0; n < num_trash_bos; n++) { trash_bos[n].handle = gem_create(drm_fd, 1024*1024); trash_bos[n].ptr = gem_mmap__gtt(drm_fd, trash_bos[n].handle, 1024*1024, PROT_WRITE); *trash_bos[n].ptr = 0; } disable_or_dpms_all_screens_and_wait(&ms_data, true); igt_assert(wait_for_suspended()); buf = 0; for (n = 0; n < num_trash_bos; n++) gem_write(drm_fd, trash_bos[n].handle, 0, &buf, sizeof(buf)); for (n = 0; n < num_trash_bos; n++) { munmap(trash_bos[n].ptr, 1024*1024); gem_close(drm_fd, trash_bos[n].handle); } free(trash_bos); } /* This also triggered WARNs on dmesg at some point. */ static void reg_read_ioctl_subtest(void) { struct drm_i915_reg_read rr = { .offset = 0x2358, /* render ring timestamp */ }; disable_all_screens_and_wait(&ms_data); do_ioctl(drm_fd, DRM_IOCTL_I915_REG_READ, &rr); igt_assert(wait_for_suspended()); } static bool device_in_pci_d3(void) { uint16_t val; int rc; rc = pci_device_cfg_read_u16(intel_get_pci_device(), &val, 0xd4); igt_assert_eq(rc, 0); igt_debug("%s: PCI D3 state=%d\n", __func__, val & 0x3); return (val & 0x3) == 0x3; } static void pci_d3_state_subtest(void) { igt_require(has_runtime_pm); disable_all_screens_and_wait(&ms_data); igt_assert(igt_wait(device_in_pci_d3(), 2000, 100)); if (ms_data.res) { enable_one_screen_and_wait(&ms_data); igt_assert(!device_in_pci_d3()); } } static void __attribute__((noreturn)) stay_subtest(void) { disable_all_screens_and_wait(&ms_data); while (1) sleep(600); } static void system_suspend_subtest(int state, int debug) { disable_all_screens_and_wait(&ms_data); igt_system_suspend_autoresume(state, debug); igt_assert(wait_for_suspended()); } static void system_suspend_execbuf_subtest(void) { int i; int batch_size = 4 * sizeof(uint32_t); uint32_t batch_buf[batch_size]; uint32_t handle; struct drm_i915_gem_execbuffer2 execbuf = {}; struct drm_i915_gem_exec_object2 objs[1] = {{}}; i = 0; batch_buf[i++] = MI_NOOP; batch_buf[i++] = MI_NOOP; batch_buf[i++] = MI_BATCH_BUFFER_END; batch_buf[i++] = MI_NOOP; igt_assert(i * sizeof(uint32_t) == batch_size); handle = gem_create(drm_fd, batch_size); gem_write(drm_fd, handle, 0, batch_buf, batch_size); objs[0].handle = handle; execbuf.buffers_ptr = (uintptr_t)objs; execbuf.buffer_count = 1; execbuf.batch_len = batch_size; execbuf.flags = I915_EXEC_RENDER; i915_execbuffer2_set_context_id(execbuf, 0); disable_all_screens_and_wait(&ms_data); igt_system_suspend_autoresume(SUSPEND_STATE_MEM, SUSPEND_TEST_NONE); igt_assert(wait_for_suspended()); for (i = 0; i < 20; i++) { gem_execbuf(drm_fd, &execbuf); igt_assert(wait_for_suspended()); } gem_close(drm_fd, handle); } static void system_suspend_modeset_subtest(void) { disable_all_screens_and_wait(&ms_data); igt_system_suspend_autoresume(SUSPEND_STATE_MEM, SUSPEND_TEST_NONE); igt_assert(wait_for_suspended()); enable_one_screen_and_wait(&ms_data); disable_all_screens_and_wait(&ms_data); } /* Enable a screen, activate DPMS, then do a modeset. At some point our driver * produced WARNs on this case. */ static void dpms_mode_unset_subtest(enum screen_type type) { disable_all_screens_and_wait(&ms_data); igt_require(enable_one_screen_with_type(&ms_data, type)); igt_assert(wait_for_active()); disable_all_screens_dpms(&ms_data); igt_assert(wait_for_suspended()); disable_all_screens_and_wait(&ms_data); } static void fill_igt_fb(struct igt_fb *fb, uint32_t color) { int i; uint32_t *ptr; ptr = gem_mmap__gtt(drm_fd, fb->gem_handle, fb->size, PROT_WRITE); for (i = 0; i < fb->size/sizeof(uint32_t); i++) ptr[i] = color; igt_assert(munmap(ptr, fb->size) == 0); } /* At some point, this test triggered WARNs in the Kernel. */ static void cursor_subtest(bool dpms) { int rc; struct igt_fb cursor_fb1, cursor_fb2, cursor_fb3; uint32_t crtc_id; disable_all_screens_and_wait(&ms_data); igt_require(default_mode_params); crtc_id = default_mode_params->crtc_id; igt_create_fb(drm_fd, 64, 64, DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE, &cursor_fb1); igt_create_fb(drm_fd, 64, 64, DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE, &cursor_fb2); igt_create_fb(drm_fd, 64, 64, DRM_FORMAT_XRGB8888, LOCAL_I915_FORMAT_MOD_X_TILED, &cursor_fb3); fill_igt_fb(&cursor_fb1, 0xFF00FFFF); fill_igt_fb(&cursor_fb2, 0xFF00FF00); fill_igt_fb(&cursor_fb3, 0xFFFF0000); set_mode_for_params_and_wait(default_mode_params); rc = drmModeSetCursor(drm_fd, crtc_id, cursor_fb1.gem_handle, cursor_fb1.width, cursor_fb1.height); igt_assert_eq(rc, 0); rc = drmModeMoveCursor(drm_fd, crtc_id, 0, 0); igt_assert_eq(rc, 0); igt_assert(wait_for_active()); disable_or_dpms_all_screens_and_wait(&ms_data, dpms); /* First, just move the cursor. */ rc = drmModeMoveCursor(drm_fd, crtc_id, 1, 1); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Then unset it, and set a new one. */ rc = drmModeSetCursor(drm_fd, crtc_id, 0, 0, 0); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); rc = drmModeSetCursor(drm_fd, crtc_id, cursor_fb2.gem_handle, cursor_fb1.width, cursor_fb2.height); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Move the new cursor. */ rc = drmModeMoveCursor(drm_fd, crtc_id, 2, 2); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Now set a new one without unsetting the previous one. */ rc = drmModeSetCursor(drm_fd, crtc_id, cursor_fb1.gem_handle, cursor_fb1.width, cursor_fb1.height); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Cursor 3 was created with tiling and painted with a GTT mmap, so * hopefully it has some fences around it. */ rc = drmModeRmFB(drm_fd, cursor_fb3.fb_id); igt_assert_eq(rc, 0); gem_set_tiling(drm_fd, cursor_fb3.gem_handle, false, cursor_fb3.strides[0]); igt_assert(wait_for_suspended()); rc = drmModeSetCursor(drm_fd, crtc_id, cursor_fb3.gem_handle, cursor_fb3.width, cursor_fb3.height); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Make sure nothing remains for the other tests. */ rc = drmModeSetCursor(drm_fd, crtc_id, 0, 0, 0); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); } static enum plane_type get_plane_type(uint32_t plane_id) { int i; bool found; uint64_t prop_value; drmModePropertyPtr prop; const char *enum_name = NULL; enum plane_type type; found = kmstest_get_property(drm_fd, plane_id, DRM_MODE_OBJECT_PLANE, "type", NULL, &prop_value, &prop); igt_assert(found); igt_assert(prop->flags & DRM_MODE_PROP_ENUM); igt_assert(prop_value < prop->count_enums); for (i = 0; i < prop->count_enums; i++) { if (prop->enums[i].value == prop_value) { enum_name = prop->enums[i].name; break; } } igt_assert(enum_name); if (strcmp(enum_name, "Overlay") == 0) type = PLANE_OVERLAY; else if (strcmp(enum_name, "Primary") == 0) type = PLANE_PRIMARY; else if (strcmp(enum_name, "Cursor") == 0) type = PLANE_CURSOR; else igt_assert(0); drmModeFreeProperty(prop); return type; } static void test_one_plane(bool dpms, uint32_t plane_id, enum plane_type plane_type) { int rc; uint32_t plane_format, plane_w, plane_h; uint32_t crtc_id; struct igt_fb plane_fb1, plane_fb2; int32_t crtc_x = 0, crtc_y = 0; uint64_t tiling; disable_all_screens_and_wait(&ms_data); crtc_id = default_mode_params->crtc_id; switch (plane_type) { case PLANE_OVERLAY: plane_format = DRM_FORMAT_XRGB8888; plane_w = 64; plane_h = 64; tiling = LOCAL_I915_FORMAT_MOD_X_TILED; break; case PLANE_PRIMARY: plane_format = DRM_FORMAT_XRGB8888; plane_w = default_mode_params->mode->hdisplay; plane_h = default_mode_params->mode->vdisplay; tiling = LOCAL_I915_FORMAT_MOD_X_TILED; break; case PLANE_CURSOR: plane_format = DRM_FORMAT_ARGB8888; plane_w = 64; plane_h = 64; tiling = LOCAL_DRM_FORMAT_MOD_NONE; break; default: igt_assert(0); break; } igt_create_fb(drm_fd, plane_w, plane_h, plane_format, tiling, &plane_fb1); igt_create_fb(drm_fd, plane_w, plane_h, plane_format, tiling, &plane_fb2); fill_igt_fb(&plane_fb1, 0xFF00FFFF); fill_igt_fb(&plane_fb2, 0xFF00FF00); set_mode_for_params_and_wait(default_mode_params); rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb1.fb_id, 0, 0, 0, plane_fb1.width, plane_fb1.height, 0 << 16, 0 << 16, plane_fb1.width << 16, plane_fb1.height << 16); igt_assert_eq(rc, 0); disable_or_dpms_all_screens_and_wait(&ms_data, dpms); /* Just move the plane around. */ if (plane_type != PLANE_PRIMARY) { crtc_x++; crtc_y++; } rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb1.fb_id, 0, crtc_x, crtc_y, plane_fb1.width, plane_fb1.height, 0 << 16, 0 << 16, plane_fb1.width << 16, plane_fb1.height << 16); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Unset, then change the plane. */ rc = drmModeSetPlane(drm_fd, plane_id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb2.fb_id, 0, crtc_x, crtc_y, plane_fb2.width, plane_fb2.height, 0 << 16, 0 << 16, plane_fb2.width << 16, plane_fb2.height << 16); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Now change the plane without unsetting first. */ rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb1.fb_id, 0, crtc_x, crtc_y, plane_fb1.width, plane_fb1.height, 0 << 16, 0 << 16, plane_fb1.width << 16, plane_fb1.height << 16); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); /* Make sure nothing remains for the other tests. */ rc = drmModeSetPlane(drm_fd, plane_id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); igt_assert_eq(rc, 0); igt_assert(wait_for_suspended()); } /* This one also triggered WARNs on our driver at some point in time. */ static void planes_subtest(bool universal, bool dpms) { int i, rc, planes_tested = 0, crtc_idx; drmModePlaneResPtr planes; igt_require(default_mode_params); crtc_idx = kmstest_get_crtc_idx(ms_data.res, default_mode_params->crtc_id); if (universal) { rc = drmSetClientCap(drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1); igt_require(rc == 0); } planes = drmModeGetPlaneResources(drm_fd); for (i = 0; i < planes->count_planes; i++) { drmModePlanePtr plane; plane = drmModeGetPlane(drm_fd, planes->planes[i]); igt_assert(plane); if (plane->possible_crtcs & (1 << crtc_idx)) { enum plane_type type; type = universal ? get_plane_type(plane->plane_id) : PLANE_OVERLAY; test_one_plane(dpms, plane->plane_id, type); planes_tested++; } drmModeFreePlane(plane); } drmModeFreePlaneResources(planes); if (universal) { rc = drmSetClientCap(drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 0); igt_assert_eq(rc, 0); igt_assert_lte(3, planes_tested); } else { igt_assert_lte(1, planes_tested); } } static void pm_test_tiling(void) { uint32_t *handles; uint8_t **gem_bufs; int max_gem_objs = 0; uint8_t off_bit = 14; uint32_t gtt_obj_max_size = (256 * 1024); uint32_t i, j, k, tiling_modes[3] = { I915_TILING_NONE, I915_TILING_X, I915_TILING_Y, }; uint32_t ti, sw; /* default stride value */ uint32_t stride = 512; /* calculate how many objects we can map */ for (i = 1 << off_bit; i <= gtt_obj_max_size; i <<= 1, max_gem_objs++) ; gem_bufs = calloc(max_gem_objs, sizeof(*gem_bufs)); handles = calloc(max_gem_objs, sizeof(*handles)); /* try to set different tiling for each handle */ for (i = 0; i < ARRAY_SIZE(tiling_modes); i++) { for (j = 0, k = 1 << off_bit; k <= gtt_obj_max_size; k <<= 1, j++) { handles[j] = gem_create(drm_fd, k); gem_bufs[j] = gem_mmap__gtt(drm_fd, handles[j], k, PROT_WRITE); memset(gem_bufs[j], 0x0, k); } disable_all_screens_and_wait(&ms_data); for (j = 0; j < max_gem_objs; j++) { gem_set_tiling(drm_fd, handles[j], tiling_modes[i], stride); gem_get_tiling(drm_fd, handles[j], &ti, &sw); igt_assert(tiling_modes[i] == ti); } enable_one_screen_and_wait(&ms_data); for (j = 0, k = 1 << off_bit; k <= gtt_obj_max_size; k <<= 1, j++) { igt_assert(munmap(gem_bufs[j], k) == 0); gem_close(drm_fd, handles[j]); } } free(gem_bufs); free(handles); } static void pm_test_caching(void) { uint32_t handle; uint8_t *gem_buf; uint32_t i; uint32_t default_cache_level; uint32_t gtt_obj_max_size = (16 * 1024); uint32_t cache_levels[3] = { I915_CACHING_NONE, I915_CACHING_CACHED, /* LLC caching */ I915_CACHING_DISPLAY, /* eDRAM caching */ }; disable_all_screens(&ms_data); handle = gem_create(drm_fd, gtt_obj_max_size); default_cache_level = gem_get_caching(drm_fd, handle); gem_buf = gem_mmap__gtt(drm_fd, handle, gtt_obj_max_size, PROT_WRITE); for (i = 0; i < ARRAY_SIZE(cache_levels); i++) { igt_assert(wait_for_suspended()); gem_set_caching(drm_fd, handle, default_cache_level); /* Ensure we bind the vma into the GGTT */ memset(gem_buf, 16 << i, gtt_obj_max_size); /* Now try changing the cache-level on the bound object. * This will either unlikely unbind the object from the GGTT, * or more likely just change the PTEs inside the GGTT. Either * way the driver must take the rpm wakelock around the GSM * access. */ igt_debug("Setting cache level %u\n", cache_levels[i]); igt_assert(wait_for_suspended()); gem_set_caching(drm_fd, handle, cache_levels[i]); } igt_assert(munmap(gem_buf, gtt_obj_max_size) == 0); gem_close(drm_fd, handle); } static void fences_subtest(bool dpms) { int i; uint32_t *buf_ptr; uint32_t tiling = false, swizzle; struct modeset_params params; disable_all_screens_and_wait(&ms_data); igt_require(default_mode_params); params.crtc_id = default_mode_params->crtc_id; params.connector_id = default_mode_params->connector_id; params.mode = default_mode_params->mode; igt_create_fb(drm_fd, params.mode->hdisplay, params.mode->vdisplay, DRM_FORMAT_XRGB8888, LOCAL_I915_FORMAT_MOD_X_TILED, ¶ms.fb); /* Even though we passed "true" as the tiling argument, double-check * that the fb is really tiled. */ gem_get_tiling(drm_fd, params.fb.gem_handle, &tiling, &swizzle); igt_assert(tiling); buf_ptr = gem_mmap__gtt(drm_fd, params.fb.gem_handle, params.fb.size, PROT_WRITE | PROT_READ); for (i = 0; i < params.fb.size/sizeof(uint32_t); i++) buf_ptr[i] = i; set_mode_for_params_and_wait(¶ms); disable_or_dpms_all_screens_and_wait(&ms_data, dpms); for (i = 0; i < params.fb.size/sizeof(uint32_t); i++) igt_assert_eq(buf_ptr[i], i); igt_assert(wait_for_suspended()); if (dpms) { drmModeConnectorPtr c = NULL; for (i = 0; i < ms_data.res->count_connectors; i++) if (ms_data.connectors[i]->connector_id == params.connector_id) c = ms_data.connectors[i]; igt_assert(c); kmstest_set_connector_dpms(drm_fd, c, DRM_MODE_DPMS_ON); } else { set_mode_for_params(¶ms); } igt_assert(wait_for_active()); for (i = 0; i < params.fb.size/sizeof(uint32_t); i++) igt_assert_eq(buf_ptr[i], i); igt_assert(munmap(buf_ptr, params.fb.size) == 0); } int rounds = 10; bool stay = false; static int opt_handler(int opt, int opt_index, void *data) { switch (opt) { case 'l': rounds = 50; break; case 's': stay = true; break; default: return IGT_OPT_HANDLER_ERROR; } return IGT_OPT_HANDLER_SUCCESS; } const char *help_str = " --stress\t\tMake the stress-tests more stressful.\n" " --stay\t\tDisable all screen and try to go into runtime pm. Useful for debugging."; static struct option long_options[] = { {"stress", 0, 0, 'l'}, {"stay", 0, 0, 's'}, { 0, 0, 0, 0 } }; igt_main_args("", long_options, help_str, opt_handler, NULL) { igt_subtest("basic-rte") { igt_assert(setup_environment()); basic_subtest(); } /* Skip instead of failing in case the machine is not prepared to reach * PC8+. We don't want bug reports from cases where the machine is just * not properly configured. */ igt_fixture igt_require(setup_environment()); if (stay) igt_subtest("stay") stay_subtest(); /* Essential things */ igt_subtest("drm-resources-equal") drm_resources_equal_subtest(); igt_subtest("basic-pci-d3-state") pci_d3_state_subtest(); /* Basic modeset */ igt_subtest("modeset-lpsp") modeset_subtest(SCREEN_TYPE_LPSP, 1, WAIT_STATUS); igt_subtest("modeset-non-lpsp") modeset_subtest(SCREEN_TYPE_NON_LPSP, 1, WAIT_STATUS); igt_subtest("dpms-lpsp") modeset_subtest(SCREEN_TYPE_LPSP, 1, WAIT_STATUS | USE_DPMS); igt_subtest("dpms-non-lpsp") modeset_subtest(SCREEN_TYPE_NON_LPSP, 1, WAIT_STATUS | USE_DPMS); /* GEM */ igt_subtest("gem-mmap-cpu") gem_mmap_subtest(false); igt_subtest("gem-mmap-gtt") gem_mmap_subtest(true); igt_subtest("gem-pread") gem_pread_subtest(); igt_subtest("gem-execbuf") gem_execbuf_subtest(); igt_subtest("gem-idle") gem_idle_subtest(); igt_subtest("gem-evict-pwrite") gem_evict_pwrite_subtest(); /* Planes and cursors */ igt_subtest("cursor") cursor_subtest(false); igt_subtest("cursor-dpms") cursor_subtest(true); igt_subtest("legacy-planes") planes_subtest(false, false); igt_subtest("legacy-planes-dpms") planes_subtest(false, true); igt_subtest("universal-planes") planes_subtest(true, false); igt_subtest("universal-planes-dpms") planes_subtest(true, true); /* Misc */ igt_subtest("reg-read-ioctl") reg_read_ioctl_subtest(); igt_subtest("i2c") i2c_subtest(); igt_subtest("pc8-residency") pc8_residency_subtest(); igt_subtest("debugfs-read") debugfs_read_subtest(); igt_subtest("debugfs-forcewake-user") debugfs_forcewake_user_subtest(); igt_subtest("sysfs-read") sysfs_read_subtest(); igt_subtest("dpms-mode-unset-lpsp") dpms_mode_unset_subtest(SCREEN_TYPE_LPSP); igt_subtest("dpms-mode-unset-non-lpsp") dpms_mode_unset_subtest(SCREEN_TYPE_NON_LPSP); igt_subtest("fences") fences_subtest(false); igt_subtest("fences-dpms") fences_subtest(true); /* Modeset stress */ igt_subtest("modeset-lpsp-stress") modeset_subtest(SCREEN_TYPE_LPSP, rounds, WAIT_STATUS); igt_subtest("modeset-non-lpsp-stress") modeset_subtest(SCREEN_TYPE_NON_LPSP, rounds, WAIT_STATUS); igt_subtest("modeset-lpsp-stress-no-wait") modeset_subtest(SCREEN_TYPE_LPSP, rounds, DONT_WAIT); igt_subtest("modeset-non-lpsp-stress-no-wait") modeset_subtest(SCREEN_TYPE_NON_LPSP, rounds, DONT_WAIT); igt_subtest("modeset-pc8-residency-stress") modeset_subtest(SCREEN_TYPE_ANY, rounds, WAIT_PC8_RES); igt_subtest("modeset-stress-extra-wait") modeset_subtest(SCREEN_TYPE_ANY, rounds, WAIT_STATUS | WAIT_EXTRA); /* System suspend */ igt_subtest("system-suspend-devices") system_suspend_subtest(SUSPEND_STATE_MEM, SUSPEND_TEST_DEVICES); igt_subtest("system-suspend") system_suspend_subtest(SUSPEND_STATE_MEM, SUSPEND_TEST_NONE); igt_subtest("system-suspend-execbuf") system_suspend_execbuf_subtest(); igt_subtest("system-suspend-modeset") system_suspend_modeset_subtest(); igt_subtest("system-hibernate-devices") system_suspend_subtest(SUSPEND_STATE_DISK, SUSPEND_TEST_DEVICES); igt_subtest("system-hibernate") system_suspend_subtest(SUSPEND_STATE_DISK, SUSPEND_TEST_NONE); /* GEM stress */ igt_subtest("gem-execbuf-stress") gem_execbuf_stress_subtest(rounds, WAIT_STATUS); igt_subtest("gem-execbuf-stress-pc8") gem_execbuf_stress_subtest(rounds, WAIT_PC8_RES); igt_subtest("gem-execbuf-stress-extra-wait") gem_execbuf_stress_subtest(rounds, WAIT_STATUS | WAIT_EXTRA); /* power-wake reference tests */ igt_subtest("pm-tiling") pm_test_tiling(); igt_subtest("pm-caching") pm_test_caching(); igt_fixture teardown_environment(); igt_subtest("module-reload") { igt_debug("Reload w/o display\n"); igt_i915_driver_unload(); igt_assert_eq(igt_i915_driver_load("disable_display=1 mmio_debug=-1"), 0); igt_assert(setup_environment()); igt_assert(igt_wait(device_in_pci_d3(), 2000, 100)); teardown_environment(); igt_debug("Reload as normal\n"); igt_i915_driver_unload(); igt_assert_eq(igt_i915_driver_load("mmio_debug=-1"), 0); igt_assert(setup_environment()); igt_assert(igt_wait(device_in_pci_d3(), 2000, 100)); if (enable_one_screen_with_type(&ms_data, SCREEN_TYPE_ANY)) drm_resources_equal_subtest(); teardown_environment(); /* Remove our mmio_debugging module */ igt_i915_driver_unload(); } }