tests/testdisplay.c

   1 /*
   2  * Copyright 2010 Intel Corporation
   3  *   Jesse Barnes <jesse.barnes@intel.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /*
  25  * This program is intended for testing of display functionality.  It should
  26  * allow for testing of
  27  *   - hotplug
  28  *   - mode setting
  29  *   - clone & twin modes
  30  *   - panel fitting
  31  *   - test patterns & pixel generators
  32  * Additional programs can test the detected outputs against VBT provided
  33  * device lists (both docked & undocked).
  34  *
  35  * TODO:
  36  * - pixel generator in transcoder
  37  * - test pattern reg in pipe
  38  * - test patterns on outputs (e.g. TV)
  39  * - handle hotplug (leaks crtcs, can't handle clones)
  40  * - allow mode force
  41  * - expose output specific controls
  42  *  - e.g. DDC-CI brightness
  43  *  - HDMI controls
  44  *  - panel brightness
  45  *  - DP commands (e.g. poweroff)
  46  * - verify outputs against VBT/physical connectors
  47  */
  48 #ifdef HAVE_CONFIG_H
  49 #include "config.h"
  50 #endif
  51
  52 #include <cairo.h>
  53 #include <errno.h>
  54 #include <math.h>
  55 #include <stdint.h>
  56 #include <stdbool.h>
  57 #include <strings.h>
  58 #include <unistd.h>
  59 #include <termios.h>
  60 #include <sys/poll.h>
  61 #include <sys/time.h>
  62 #include <sys/ioctl.h>
  63 #include <sys/types.h>
  64 #include <sys/stat.h>
  65
  66 #include "ioctl_wrappers.h"
  67 #include "drmtest.h"
  68 #include "testdisplay.h"
  69 #include "igt_kms.h"
  70
  71 #include <stdlib.h>
  72 #include <signal.h>
  73
  74 static int tio_fd;
  75 struct termios saved_tio;
  76
  77 drmModeRes *resources;
  78 int drm_fd, modes;
  79 int test_all_modes = 0, test_preferred_mode = 0, force_mode = 0, test_plane,
  80     test_stereo_modes, enable_tiling;
  81 int sleep_between_modes = 5;
  82 int do_dpms = 0; /* This aliases to DPMS_ON */
  83 uint32_t depth = 24, stride, bpp;
  84 int qr_code = 0;
  85 int specified_mode_num = -1, specified_disp_id = -1;
  86
  87 drmModeModeInfo force_timing;
  88
  89 int crtc_x, crtc_y, crtc_w, crtc_h, width, height;
  90 unsigned int plane_fb_id;
  91 unsigned int plane_crtc_id;
  92 unsigned int plane_id;
  93 int plane_width, plane_height;
  94 static const uint32_t SPRITE_COLOR_KEY = 0x00aaaaaa;
  95
  96 /*
  97  * Mode setting with the kernel interfaces is a bit of a chore.
  98  * First you have to find the connector in question and make sure the
  99  * requested mode is available.
 100  * Then you need to find the encoder attached to that connector so you
 101  * can bind it with a free crtc.
 102  */
 103 struct connector {
 104         uint32_t id;
 105         int mode_valid;
 106         drmModeModeInfo mode;
 107         drmModeEncoder *encoder;
 108         drmModeConnector *connector;
 109         int crtc;
 110         int crtc_idx;
 111         int pipe;
 112 };
 113
 114 static void dump_connectors_fd(int drmfd)
 115 {
 116         int i, j;
 117
 118         drmModeRes *mode_resources = drmModeGetResources(drmfd);
 119
 120         if (!mode_resources) {
 121                 igt_warn("drmModeGetResources failed: %s\n", strerror(errno));
 122                 return;
 123         }
 124
 125         igt_info("Connectors:\n");
 126         igt_info("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\n");
 127         for (i = 0; i < mode_resources->count_connectors; i++) {
 128                 drmModeConnector *connector;
 129
 130                 connector = drmModeGetConnector(drmfd, mode_resources->connectors[i]);
 131                 if (!connector) {
 132                         igt_warn("could not get connector %i: %s\n", mode_resources->connectors[i], strerror(errno));
 133                         continue;
 134                 }
 135
 136                 igt_info("%d\t%d\t%s\t%s\t%dx%d\t\t%d\n", connector->connector_id, connector->encoder_id, kmstest_connector_status_str(connector->connection), kmstest_connector_type_str(connector->connector_type), connector->mmWidth, connector->mmHeight, connector->count_modes);
 137
 138                 if (!connector->count_modes)
 139                         continue;
 140
 141                 igt_info("  modes:\n");
 142                 igt_info("  name refresh (Hz) hdisp hss hse htot vdisp ""vss vse vtot flags type clock\n");
 143                 for (j = 0; j < connector->count_modes; j++){
 144                         igt_info("[%d]", j);
 145                         kmstest_dump_mode(&connector->modes[j]);
 146                 }
 147
 148                 drmModeFreeConnector(connector);
 149         }
 150         igt_info("\n");
 151
 152         drmModeFreeResources(mode_resources);
 153 }
 154
 155 static void dump_crtcs_fd(int drmfd)
 156 {
 157         int i;
 158         drmModeRes *mode_resources = drmModeGetResources(drmfd);
 159
 160         igt_info("CRTCs:\n");
 161         igt_info("id\tfb\tpos\tsize\n");
 162         for (i = 0; i < mode_resources->count_crtcs; i++) {
 163                 drmModeCrtc *crtc;
 164
 165                 crtc = drmModeGetCrtc(drmfd, mode_resources->crtcs[i]);
 166                 if (!crtc) {
 167                         igt_warn("could not get crtc %i: %s\n", mode_resources->crtcs[i], strerror(errno));
 168                         continue;
 169                 }
 170                 igt_info("%d\t%d\t(%d,%d)\t(%dx%d)\n", crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y, crtc->width, crtc->height);
 171                 kmstest_dump_mode(&crtc->mode);
 172
 173                 drmModeFreeCrtc(crtc);
 174         }
 175         igt_info("\n");
 176
 177         drmModeFreeResources(mode_resources);
 178 }
 179
 180 static void dump_info(void)
 181 {
 182         dump_connectors_fd(drm_fd);
 183         dump_crtcs_fd(drm_fd);
 184 }
 185
 186 static void connector_find_preferred_mode(uint32_t connector_id,
 187                                           unsigned long crtc_idx_mask,
 188                                           int mode_num, struct connector *c)
 189 {
 190         struct kmstest_connector_config config;
 191
 192         if (kmstest_get_connector_config(drm_fd, connector_id, crtc_idx_mask,
 193                                          &config) < 0) {
 194                 c->mode_valid = 0;
 195                 return;
 196         }
 197
 198         c->connector = config.connector;
 199         c->encoder = config.encoder;
 200         c->crtc = config.crtc->crtc_id;
 201         c->crtc_idx = config.crtc_idx;
 202         c->pipe = config.pipe;
 203
 204         if (mode_num != -1) {
 205                 igt_assert(mode_num < config.connector->count_modes);
 206                 c->mode = config.connector->modes[mode_num];
 207         } else {
 208                 c->mode = config.default_mode;
 209         }
 210         c->mode_valid = 1;
 211 }
 212
 213 static void
 214 paint_color_key(struct igt_fb *fb_info)
 215 {
 216         int i, j;
 217         uint32_t *fb_ptr;
 218
 219         fb_ptr = gem_mmap(drm_fd, fb_info->gem_handle,
 220                           fb_info->size, PROT_READ | PROT_WRITE);
 221         igt_assert(fb_ptr);
 222
 223         for (i = crtc_y; i < crtc_y + crtc_h; i++)
 224                 for (j = crtc_x; j < crtc_x + crtc_w; j++) {
 225                         uint32_t offset;
 226
 227                         offset = (i * fb_info->stride / 4) + j;
 228                         fb_ptr[offset] = SPRITE_COLOR_KEY;
 229                 }
 230
 231         munmap(fb_ptr, fb_info->size);
 232 }
 233
 234 static void paint_image(cairo_t *cr, const char *file)
 235 {
 236         int img_x, img_y, img_w, img_h, img_w_o, img_h_o;
 237         double img_w_scale, img_h_scale;
 238
 239         cairo_surface_t *image;
 240
 241         img_y = height * (0.10 );
 242         img_h = height * 0.08 * 4;
 243         img_w = img_h;
 244
 245         img_x = (width / 2) - (img_w / 2);
 246
 247         image = cairo_image_surface_create_from_png(file);
 248
 249         img_w_o = cairo_image_surface_get_width(image);
 250         img_h_o = cairo_image_surface_get_height(image);
 251
 252         cairo_translate(cr, img_x, img_y);
 253
 254         img_w_scale = (double)img_w / (double)img_w_o;
 255         img_h_scale = (double)img_h / (double)img_h_o;
 256         cairo_scale(cr, img_w_scale, img_h_scale);
 257
 258         cairo_set_source_surface(cr, image, 0, 0);
 259         cairo_scale(cr, 1, 1);
 260
 261         cairo_paint(cr);
 262         cairo_surface_destroy(image);
 263 }
 264
 265 static void paint_output_info(struct connector *c, struct igt_fb *fb)
 266 {
 267         cairo_t *cr = igt_get_cairo_ctx(drm_fd, fb);
 268         int l_width = fb->width;
 269         int l_height = fb->height;
 270         double str_width;
 271         double x, y, top_y;
 272         double max_width;
 273         int i;
 274
 275         igt_paint_test_pattern(cr, l_width, l_height);
 276
 277         cairo_move_to(cr, l_width / 2, l_height / 2);
 278
 279         /* Print connector and mode name */
 280         cairo_set_font_size(cr, 48);
 281         igt_cairo_printf_line(cr, align_hcenter, 10, "%s",
 282                  kmstest_connector_type_str(c->connector->connector_type));
 283
 284         cairo_set_font_size(cr, 36);
 285         str_width = igt_cairo_printf_line(cr, align_hcenter, 10,
 286                 "%s @ %dHz on %s encoder", c->mode.name, c->mode.vrefresh,
 287                 kmstest_encoder_type_str(c->encoder->encoder_type));
 288
 289         cairo_rel_move_to(cr, -str_width / 2, 0);
 290
 291         /* List available modes */
 292         cairo_set_font_size(cr, 18);
 293         str_width = igt_cairo_printf_line(cr, align_left, 10,
 294                                               "Available modes:");
 295         cairo_rel_move_to(cr, str_width, 0);
 296         cairo_get_current_point(cr, &x, &top_y);
 297
 298         max_width = 0;
 299         for (i = 0; i < c->connector->count_modes; i++) {
 300                 cairo_get_current_point(cr, &x, &y);
 301                 if (y >= l_height) {
 302                         x += max_width + 10;
 303                         max_width = 0;
 304                         cairo_move_to(cr, x, top_y);
 305                 }
 306                 str_width = igt_cairo_printf_line(cr, align_right, 10,
 307                         "%s @ %dHz", c->connector->modes[i].name,
 308                          c->connector->modes[i].vrefresh);
 309                 if (str_width > max_width)
 310                         max_width = str_width;
 311         }
 312
 313         if (qr_code)
 314                 paint_image(cr, IGT_DATADIR"/pass.png");
 315
 316         igt_assert(!cairo_status(cr));
 317 }
 318
 319 static void sighandler(int signo)
 320 {
 321         return;
 322 }
 323
 324 static void set_single(void)
 325 {
 326         int sigs[] = { SIGUSR1 };
 327         struct sigaction sa;
 328         sa.sa_handler = sighandler;
 329
 330         sigemptyset(&sa.sa_mask);
 331
 332         igt_warn_on_f(sigaction(sigs[0], &sa, NULL) == -1,
 333                       "Could not set signal handler");
 334 }
 335
 336 static void
 337 set_mode(struct connector *c)
 338 {
 339         unsigned int fb_id = 0;
 340         struct igt_fb fb_info[2] = { };
 341         int j, test_mode_num, current_fb = 0, old_fb = -1;
 342
 343         test_mode_num = 1;
 344         if (force_mode){
 345                 memcpy( &c->mode, &force_timing, sizeof(force_timing));
 346                 c->mode.vrefresh =(force_timing.clock*1e3)/(force_timing.htotal*force_timing.vtotal);
 347                 c->mode_valid = 1;
 348                 sprintf(c->mode.name, "%dx%d", force_timing.hdisplay, force_timing.vdisplay);
 349         } else if (test_all_modes)
 350                 test_mode_num = c->connector->count_modes;
 351
 352         for (j = 0; j < test_mode_num; j++) {
 353
 354                 if (test_all_modes)
 355                         c->mode = c->connector->modes[j];
 356
 357                 /* set_mode() only tests 2D modes */
 358                 if (c->mode.flags & DRM_MODE_FLAG_3D_MASK)
 359                         continue;
 360
 361                 if (!c->mode_valid)
 362                         continue;
 363
 364                 width = c->mode.hdisplay;
 365                 height = c->mode.vdisplay;
 366
 367                 fb_id = igt_create_fb(drm_fd, width, height,
 368                                           igt_bpp_depth_to_drm_format(bpp, depth),
 369                                           enable_tiling, &fb_info[current_fb]);
 370                 paint_output_info(c, &fb_info[current_fb]);
 371                 paint_color_key(&fb_info[current_fb]);
 372
 373                 igt_info("CRTC(%u):[%d]", c->crtc, j);
 374                 kmstest_dump_mode(&c->mode);
 375                 if (drmModeSetCrtc(drm_fd, c->crtc, fb_id, 0, 0,
 376                                    &c->id, 1, &c->mode)) {
 377                         igt_warn("failed to set mode (%dx%d@%dHz): %s\n", width, height, c->mode.vrefresh, strerror(errno));
 378                         continue;
 379                 }
 380
 381                 if (old_fb != -1)
 382                         igt_remove_fb(drm_fd, &fb_info[old_fb]);
 383                 old_fb = current_fb;
 384                 current_fb = 1 - current_fb;
 385
 386                 if (sleep_between_modes && test_all_modes && !qr_code)
 387                         sleep(sleep_between_modes);
 388
 389                 if (do_dpms) {
 390                         kmstest_set_connector_dpms(drm_fd, c->connector, do_dpms);
 391                         sleep(sleep_between_modes);
 392                         kmstest_set_connector_dpms(drm_fd, c->connector, DRM_MODE_DPMS_ON);
 393                 }
 394
 395                 if (qr_code){
 396                         set_single();
 397                         pause();
 398                 }
 399         }
 400
 401         if (test_all_modes)
 402                 igt_remove_fb(drm_fd, &fb_info[old_fb]);
 403
 404         drmModeFreeEncoder(c->encoder);
 405         drmModeFreeConnector(c->connector);
 406 }
 407
 408 struct box {
 409         int x, y, width, height;
 410 };
 411
 412 struct stereo_fb_layout {
 413         int fb_width, fb_height;
 414         struct box left, right;
 415 };
 416
 417 static void box_init(struct box *box, int x, int y, int bwidth, int bheight)
 418 {
 419         box->x = x;
 420         box->y = y;
 421         box->width = bwidth;
 422         box->height = bheight;
 423 }
 424
 425 static void stereo_fb_layout_from_mode(struct stereo_fb_layout *layout,
 426                                        drmModeModeInfo *mode)
 427 {
 428         unsigned int format = mode->flags & DRM_MODE_FLAG_3D_MASK;
 429         const int hdisplay = mode->hdisplay, vdisplay = mode->vdisplay;
 430         int middle;
 431
 432         switch (format) {
 433         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
 434                 layout->fb_width = hdisplay;
 435                 layout->fb_height = vdisplay;
 436
 437                 middle = vdisplay / 2;
 438                 box_init(&layout->left, 0, 0, hdisplay, middle);
 439                 box_init(&layout->right,
 440                          0, middle, hdisplay, vdisplay - middle);
 441                 break;
 442         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
 443                 layout->fb_width = hdisplay;
 444                 layout->fb_height = vdisplay;
 445
 446                 middle = hdisplay / 2;
 447                 box_init(&layout->left, 0, 0, middle, vdisplay);
 448                 box_init(&layout->right,
 449                          middle, 0, hdisplay - middle, vdisplay);
 450                 break;
 451         case DRM_MODE_FLAG_3D_FRAME_PACKING:
 452         {
 453                 int vactive_space = mode->vtotal - vdisplay;
 454
 455                 layout->fb_width = hdisplay;
 456                 layout->fb_height = 2 * vdisplay + vactive_space;
 457
 458                 box_init(&layout->left,
 459                          0, 0, hdisplay, vdisplay);
 460                 box_init(&layout->right,
 461                          0, vdisplay + vactive_space, hdisplay, vdisplay);
 462                 break;
 463         }
 464         default:
 465                 igt_assert(0);
 466         }
 467 }
 468
 469 static const char *stereo_mode_str(drmModeModeInfo *mode)
 470 {
 471         unsigned int layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
 472
 473         switch (layout) {
 474         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
 475                 return "TB";
 476         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
 477                 return "SbSH";
 478         case DRM_MODE_FLAG_3D_FRAME_PACKING:
 479                 return "FP";
 480         default:
 481                 igt_assert(0);
 482         }
 483 }
 484
 485 static uint32_t create_stereo_fb(drmModeModeInfo *mode, struct igt_fb *fb)
 486 {
 487         struct stereo_fb_layout layout;
 488         cairo_t *cr;
 489         uint32_t fb_id;
 490
 491         stereo_fb_layout_from_mode(&layout, mode);
 492         fb_id = igt_create_fb(drm_fd, layout.fb_width, layout.fb_height,
 493                                   igt_bpp_depth_to_drm_format(bpp, depth),
 494                                   enable_tiling, fb);
 495         cr = igt_get_cairo_ctx(drm_fd, fb);
 496
 497         igt_paint_image(cr, IGT_DATADIR"/1080p-left.png",
 498                             layout.left.x, layout.left.y,
 499                             layout.left.width, layout.left.height);
 500         igt_paint_image(cr, IGT_DATADIR"/1080p-right.png",
 501                             layout.right.x, layout.right.y,
 502                             layout.right.width, layout.right.height);
 503
 504         cairo_destroy(cr);
 505
 506         {
 507                 char buffer[64];
 508
 509                 snprintf(buffer, sizeof(buffer), "%dx%d@%dHz-%s.png",
 510                          mode->hdisplay,
 511                          mode->vdisplay,
 512                          mode->vrefresh,
 513                          stereo_mode_str(mode));
 514
 515                 igt_write_fb_to_png(drm_fd, fb, buffer);
 516         }
 517
 518         return fb_id;
 519 }
 520
 521 static void do_set_stereo_mode(struct connector *c)
 522 {
 523         uint32_t fb_id;
 524         struct igt_fb fb_info;
 525
 526         fb_id = create_stereo_fb(&c->mode, &fb_info);
 527
 528         igt_warn_on_f(drmModeSetCrtc(drm_fd, c->crtc, fb_id, 0, 0, &c->id, 1, &c->mode),
 529                       "failed to set mode (%dx%d@%dHz): %s\n", width, height, c->mode.vrefresh, strerror(errno));
 530 }
 531
 532 static void
 533 set_stereo_mode(struct connector *c)
 534 {
 535         int i, n;
 536
 537
 538         if (specified_mode_num != -1)
 539                 n = 1;
 540         else
 541                 n = c->connector->count_modes;
 542
 543         for (i = 0; i < n; i++) {
 544                 if (specified_mode_num == -1)
 545                         c->mode = c->connector->modes[i];
 546
 547                 if (!c->mode_valid)
 548                         continue;
 549
 550                 if (!(c->mode.flags & DRM_MODE_FLAG_3D_MASK))
 551                         continue;
 552
 553                 igt_info("CRTC(%u): [%d]", c->crtc, i);
 554                 kmstest_dump_mode(&c->mode);
 555                 do_set_stereo_mode(c);
 556
 557                 if (qr_code) {
 558                         set_single();
 559                         pause();
 560                 } else if (sleep_between_modes)
 561                         sleep(sleep_between_modes);
 562
 563                 if (do_dpms) {
 564                         kmstest_set_connector_dpms(drm_fd, c->connector, DRM_MODE_DPMS_OFF);
 565                         sleep(sleep_between_modes);
 566                         kmstest_set_connector_dpms(drm_fd, c->connector, DRM_MODE_DPMS_ON);
 567                 }
 568         }
 569
 570         drmModeFreeEncoder(c->encoder);
 571         drmModeFreeConnector(c->connector);
 572 }
 573
 574 /*
 575  * Re-probe outputs and light up as many as possible.
 576  *
 577  * On Intel, we have two CRTCs that we can drive independently with
 578  * different timings and scanout buffers.
 579  *
 580  * Each connector has a corresponding encoder, except in the SDVO case
 581  * where an encoder may have multiple connectors.
 582  */
 583 int update_display(void)
 584 {
 585         struct connector *connectors;
 586         int c;
 587
 588         resources = drmModeGetResources(drm_fd);
 589         if (!resources) {
 590                 igt_warn("drmModeGetResources failed: %s\n", strerror(errno));
 591                 return 0;
 592         }
 593
 594         connectors = calloc(resources->count_connectors,
 595                             sizeof(struct connector));
 596         if (!connectors)
 597                 return 0;
 598
 599         if (test_preferred_mode || test_all_modes ||
 600             force_mode || specified_disp_id != -1) {
 601                 unsigned long crtc_idx_mask = -1UL;
 602
 603                 /* Find any connected displays */
 604                 for (c = 0; c < resources->count_connectors; c++) {
 605                         struct connector *connector = &connectors[c];
 606
 607                         connector->id = resources->connectors[c];
 608                         if (specified_disp_id != -1 &&
 609                             connector->id != specified_disp_id)
 610                                 continue;
 611
 612                         connector_find_preferred_mode(connector->id,
 613                                                       crtc_idx_mask,
 614                                                       specified_mode_num,
 615                                                       connector);
 616                         if (!connector->mode_valid)
 617                                 continue;
 618
 619                         set_mode(connector);
 620
 621                         if (test_preferred_mode || force_mode ||
 622                             specified_mode_num != -1)
 623                                 crtc_idx_mask &= ~(1 << connector->crtc_idx);
 624
 625                 }
 626         }
 627
 628         if (test_stereo_modes) {
 629                 for (c = 0; c < resources->count_connectors; c++) {
 630                         struct connector *connector = &connectors[c];
 631
 632                         connector->id = resources->connectors[c];
 633                         if (specified_disp_id != -1 &&
 634                             connector->id != specified_disp_id)
 635                                 continue;
 636
 637                         connector_find_preferred_mode(connector->id,
 638                                                       -1UL,
 639                                                       specified_mode_num,
 640                                                       connector);
 641                         if (!connector->mode_valid)
 642                                 continue;
 643
 644                         set_stereo_mode(connector);
 645                 }
 646         }
 647
 648         free(connectors);
 649         drmModeFreeResources(resources);
 650         return 1;
 651 }
 652
 653 static char optstr[] = "3hiaf:s:d:p:mrto:j:";
 654
 655 static void __attribute__((noreturn)) usage(char *name)
 656 {
 657         igt_info("usage: %s [-hiasdpmtf]\n", name);
 658         igt_info("\t-i\tdump info\n");
 659         igt_info("\t-a\ttest all modes\n");
 660         igt_info("\t-s\t<duration>\tsleep between each mode test\n");
 661         igt_info("\t-d\t<depth>\tbit depth of scanout buffer\n");
 662         igt_info("\t-p\t<planew,h>,<crtcx,y>,<crtcw,h> test overlay plane\n");
 663         igt_info("\t-m\ttest the preferred mode\n");
 664         igt_info("\t-3\ttest all 3D modes\n");
 665         igt_info("\t-t\tuse a tiled framebuffer\n");
 666         igt_info("\t-j\tdo dpms off, optional arg to select dpms leve (1-3)\n");
 667         igt_info("\t-r\tprint a QR code on the screen whose content is \"pass\" for the automatic test\n");
 668         igt_info("\t-o\t<id of the display>,<number of the mode>\tonly test specified mode on the specified display\n");
 669         igt_info("\t-f\t<clock MHz>,<hdisp>,<hsync-start>,<hsync-end>,<htotal>,\n");
 670         igt_info("\t\t<vdisp>,<vsync-start>,<vsync-end>,<vtotal>\n");
 671         igt_info("\t\ttest force mode\n");
 672         igt_info("\tDefault is to test all modes.\n");
 673         exit(0);
 674 }
 675
 676 #define dump_resource(res) if (res) dump_##res()
 677
 678 static void cleanup_and_exit(int ret)
 679 {
 680         close(drm_fd);
 681         exit(ret);
 682 }
 683
 684 static gboolean input_event(GIOChannel *source, GIOCondition condition,
 685                                 gpointer data)
 686 {
 687         gchar buf[2];
 688         gsize count;
 689
 690         count = read(g_io_channel_unix_get_fd(source), buf, sizeof(buf));
 691         if (buf[0] == 'q' && (count == 1 || buf[1] == '\n')) {
 692                 cleanup_and_exit(0);
 693         }
 694
 695         return TRUE;
 696 }
 697
 698 static void enter_exec_path( char **argv )
 699 {
 700         char *exec_path = NULL;
 701         char *pos = NULL;
 702         short len_path = 0;
 703         int ret;
 704
 705         len_path = strlen( argv[0] );
 706         exec_path = (char*) malloc(len_path);
 707
 708         memcpy(exec_path, argv[0], len_path);
 709         pos = strrchr(exec_path, '/');
 710         if (pos != NULL)
 711                 *(pos+1) = '\0';
 712
 713         ret = chdir(exec_path);
 714         igt_assert(ret == 0);
 715         free(exec_path);
 716 }
 717
 718 static void restore_termio_mode(int sig)
 719 {
 720         tcsetattr(tio_fd, TCSANOW, &saved_tio);
 721         close(tio_fd);
 722 }
 723
 724 static void set_termio_mode(void)
 725 {
 726         struct termios tio;
 727
 728         tio_fd = dup(STDIN_FILENO);
 729         tcgetattr(tio_fd, &saved_tio);
 730         igt_install_exit_handler(restore_termio_mode);
 731         tio = saved_tio;
 732         tio.c_lflag &= ~(ICANON | ECHO);
 733         tcsetattr(tio_fd, TCSANOW, &tio);
 734 }
 735
 736 int main(int argc, char **argv)
 737 {
 738         int c;
 739         int ret = 0;
 740         GIOChannel *stdinchannel;
 741         GMainLoop *mainloop;
 742         float force_clock;
 743         bool opt_dump_info = false;
 744
 745         igt_skip_on_simulation();
 746
 747         enter_exec_path( argv );
 748
 749         while ((c = getopt(argc, argv, optstr)) != -1) {
 750                 switch (c) {
 751                 case '3':
 752                         test_stereo_modes = 1;
 753                         break;
 754                 case 'i':
 755                         opt_dump_info = true;
 756                         break;
 757                 case 'a':
 758                         test_all_modes = 1;
 759                         break;
 760                 case 'f':
 761                         force_mode = 1;
 762                         if(sscanf(optarg,"%f,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu",
 763                                 &force_clock,&force_timing.hdisplay, &force_timing.hsync_start,&force_timing.hsync_end,&force_timing.htotal,
 764                                 &force_timing.vdisplay, &force_timing.vsync_start, &force_timing.vsync_end, &force_timing.vtotal)!= 9)
 765                                 usage(argv[0]);
 766                         force_timing.clock = force_clock*1000;
 767
 768                         break;
 769                 case 's':
 770                         sleep_between_modes = atoi(optarg);
 771                         break;
 772                 case 'j':
 773                         do_dpms = atoi(optarg);
 774                         if (do_dpms == 0)
 775                                 do_dpms = DRM_MODE_DPMS_OFF;
 776                         break;
 777                 case 'd':
 778                         depth = atoi(optarg);
 779                         igt_info("using depth %d\n", depth);
 780                         break;
 781                 case 'p':
 782                         if (sscanf(optarg, "%d,%d,%d,%d,%d,%d", &plane_width,
 783                                    &plane_height, &crtc_x, &crtc_y,
 784                                    &crtc_w, &crtc_h) != 6)
 785                                 usage(argv[0]);
 786                         test_plane = 1;
 787                         break;
 788                 case 'm':
 789                         test_preferred_mode = 1;
 790                         break;
 791                 case 't':
 792                         enable_tiling = 1;
 793                         break;
 794                 case 'r':
 795                         qr_code = 1;
 796                         break;
 797                 case 'o':
 798                         sscanf(optarg, "%d,%d", &specified_disp_id, &specified_mode_num);
 799                         break;
 800                 default:
 801                         /* fall through */
 802                 case 'h':
 803                         usage(argv[0]);
 804                         break;
 805                 }
 806         }
 807
 808         set_termio_mode();
 809
 810         if (depth <= 8)
 811                 bpp = 8;
 812         else if (depth <= 16)
 813                 bpp = 16;
 814         else if (depth <= 32)
 815                 bpp = 32;
 816
 817         if (!test_all_modes && !force_mode && !test_preferred_mode &&
 818             specified_mode_num == -1 && !test_stereo_modes)
 819                 test_all_modes = 1;
 820
 821         drm_fd = drm_open_any();
 822
 823         if (test_stereo_modes &&
 824             drmSetClientCap(drm_fd, DRM_CLIENT_CAP_STEREO_3D, 1) < 0) {
 825                 igt_warn("DRM_CLIENT_CAP_STEREO_3D failed\n");
 826                 goto out_close;
 827         }
 828
 829         if (opt_dump_info) {
 830                 dump_info();
 831                 goto out_close;
 832         }
 833
 834         igt_set_vt_graphics_mode();
 835
 836         mainloop = g_main_loop_new(NULL, FALSE);
 837         if (!mainloop) {
 838                 igt_warn("failed to create glib mainloop\n");
 839                 ret = -1;
 840                 goto out_close;
 841         }
 842
 843         if (!testdisplay_setup_hotplug()) {
 844                 igt_warn("failed to initialize hotplug support\n");
 845                 goto out_mainloop;
 846         }
 847
 848         stdinchannel = g_io_channel_unix_new(0);
 849         if (!stdinchannel) {
 850                 igt_warn("failed to create stdin GIO channel\n");
 851                 goto out_hotplug;
 852         }
 853
 854         ret = g_io_add_watch(stdinchannel, G_IO_IN | G_IO_ERR, input_event,
 855                              NULL);
 856         if (ret < 0) {
 857                 igt_warn("failed to add watch on stdin GIO channel\n");
 858                 goto out_stdio;
 859         }
 860
 861         ret = 0;
 862
 863         if (!update_display()) {
 864                 ret = 1;
 865                 goto out_stdio;
 866         }
 867
 868         if (test_all_modes)
 869                 goto out_stdio;
 870
 871         g_main_loop_run(mainloop);
 872
 873 out_stdio:
 874         g_io_channel_shutdown(stdinchannel, TRUE, NULL);
 875 out_hotplug:
 876         testdisplay_cleanup_hotplug();
 877 out_mainloop:
 878         g_main_loop_unref(mainloop);
 879 out_close:
 880         close(drm_fd);
 881
 882         return ret;
 883 }