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         cairo_destroy(cr);
 319 }
 320
 321 static void sighandler(int signo)
 322 {
 323         return;
 324 }
 325
 326 static void set_single(void)
 327 {
 328         int sigs[] = { SIGUSR1 };
 329         struct sigaction sa;
 330         sa.sa_handler = sighandler;
 331
 332         sigemptyset(&sa.sa_mask);
 333
 334         igt_warn_on_f(sigaction(sigs[0], &sa, NULL) == -1,
 335                       "Could not set signal handler");
 336 }
 337
 338 static void
 339 set_mode(struct connector *c)
 340 {
 341         unsigned int fb_id = 0;
 342         struct igt_fb fb_info[2] = { };
 343         int j, test_mode_num, current_fb = 0, old_fb = -1;
 344
 345         test_mode_num = 1;
 346         if (force_mode){
 347                 memcpy( &c->mode, &force_timing, sizeof(force_timing));
 348                 c->mode.vrefresh =(force_timing.clock*1e3)/(force_timing.htotal*force_timing.vtotal);
 349                 c->mode_valid = 1;
 350                 sprintf(c->mode.name, "%dx%d", force_timing.hdisplay, force_timing.vdisplay);
 351         } else if (test_all_modes)
 352                 test_mode_num = c->connector->count_modes;
 353
 354         for (j = 0; j < test_mode_num; j++) {
 355
 356                 if (test_all_modes)
 357                         c->mode = c->connector->modes[j];
 358
 359                 /* set_mode() only tests 2D modes */
 360                 if (c->mode.flags & DRM_MODE_FLAG_3D_MASK)
 361                         continue;
 362
 363                 if (!c->mode_valid)
 364                         continue;
 365
 366                 width = c->mode.hdisplay;
 367                 height = c->mode.vdisplay;
 368
 369                 fb_id = igt_create_fb(drm_fd, width, height,
 370                                           igt_bpp_depth_to_drm_format(bpp, depth),
 371                                           enable_tiling, &fb_info[current_fb]);
 372                 paint_output_info(c, &fb_info[current_fb]);
 373                 paint_color_key(&fb_info[current_fb]);
 374
 375                 igt_info("CRTC(%u):[%d]", c->crtc, j);
 376                 kmstest_dump_mode(&c->mode);
 377                 if (drmModeSetCrtc(drm_fd, c->crtc, fb_id, 0, 0,
 378                                    &c->id, 1, &c->mode)) {
 379                         igt_warn("failed to set mode (%dx%d@%dHz): %s\n", width, height, c->mode.vrefresh, strerror(errno));
 380                         continue;
 381                 }
 382
 383                 if (old_fb != -1)
 384                         igt_remove_fb(drm_fd, &fb_info[old_fb]);
 385                 old_fb = current_fb;
 386                 current_fb = 1 - current_fb;
 387
 388                 if (sleep_between_modes && test_all_modes && !qr_code)
 389                         sleep(sleep_between_modes);
 390
 391                 if (do_dpms) {
 392                         kmstest_set_connector_dpms(drm_fd, c->connector, do_dpms);
 393                         sleep(sleep_between_modes);
 394                         kmstest_set_connector_dpms(drm_fd, c->connector, DRM_MODE_DPMS_ON);
 395                 }
 396
 397                 if (qr_code){
 398                         set_single();
 399                         pause();
 400                 }
 401         }
 402
 403         if (test_all_modes)
 404                 igt_remove_fb(drm_fd, &fb_info[old_fb]);
 405
 406         drmModeFreeEncoder(c->encoder);
 407         drmModeFreeConnector(c->connector);
 408 }
 409
 410 struct box {
 411         int x, y, width, height;
 412 };
 413
 414 struct stereo_fb_layout {
 415         int fb_width, fb_height;
 416         struct box left, right;
 417 };
 418
 419 static void box_init(struct box *box, int x, int y, int bwidth, int bheight)
 420 {
 421         box->x = x;
 422         box->y = y;
 423         box->width = bwidth;
 424         box->height = bheight;
 425 }
 426
 427 static void stereo_fb_layout_from_mode(struct stereo_fb_layout *layout,
 428                                        drmModeModeInfo *mode)
 429 {
 430         unsigned int format = mode->flags & DRM_MODE_FLAG_3D_MASK;
 431         const int hdisplay = mode->hdisplay, vdisplay = mode->vdisplay;
 432         int middle;
 433
 434         switch (format) {
 435         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
 436                 layout->fb_width = hdisplay;
 437                 layout->fb_height = vdisplay;
 438
 439                 middle = vdisplay / 2;
 440                 box_init(&layout->left, 0, 0, hdisplay, middle);
 441                 box_init(&layout->right,
 442                          0, middle, hdisplay, vdisplay - middle);
 443                 break;
 444         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
 445                 layout->fb_width = hdisplay;
 446                 layout->fb_height = vdisplay;
 447
 448                 middle = hdisplay / 2;
 449                 box_init(&layout->left, 0, 0, middle, vdisplay);
 450                 box_init(&layout->right,
 451                          middle, 0, hdisplay - middle, vdisplay);
 452                 break;
 453         case DRM_MODE_FLAG_3D_FRAME_PACKING:
 454         {
 455                 int vactive_space = mode->vtotal - vdisplay;
 456
 457                 layout->fb_width = hdisplay;
 458                 layout->fb_height = 2 * vdisplay + vactive_space;
 459
 460                 box_init(&layout->left,
 461                          0, 0, hdisplay, vdisplay);
 462                 box_init(&layout->right,
 463                          0, vdisplay + vactive_space, hdisplay, vdisplay);
 464                 break;
 465         }
 466         default:
 467                 igt_assert(0);
 468         }
 469 }
 470
 471 static const char *stereo_mode_str(drmModeModeInfo *mode)
 472 {
 473         unsigned int layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
 474
 475         switch (layout) {
 476         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
 477                 return "TB";
 478         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
 479                 return "SbSH";
 480         case DRM_MODE_FLAG_3D_FRAME_PACKING:
 481                 return "FP";
 482         default:
 483                 igt_assert(0);
 484         }
 485 }
 486
 487 static uint32_t create_stereo_fb(drmModeModeInfo *mode, struct igt_fb *fb)
 488 {
 489         struct stereo_fb_layout layout;
 490         cairo_t *cr;
 491         uint32_t fb_id;
 492
 493         stereo_fb_layout_from_mode(&layout, mode);
 494         fb_id = igt_create_fb(drm_fd, layout.fb_width, layout.fb_height,
 495                                   igt_bpp_depth_to_drm_format(bpp, depth),
 496                                   enable_tiling, fb);
 497         cr = igt_get_cairo_ctx(drm_fd, fb);
 498
 499         igt_paint_image(cr, IGT_DATADIR"/1080p-left.png",
 500                             layout.left.x, layout.left.y,
 501                             layout.left.width, layout.left.height);
 502         igt_paint_image(cr, IGT_DATADIR"/1080p-right.png",
 503                             layout.right.x, layout.right.y,
 504                             layout.right.width, layout.right.height);
 505
 506         cairo_destroy(cr);
 507
 508         {
 509                 char buffer[64];
 510
 511                 snprintf(buffer, sizeof(buffer), "%dx%d@%dHz-%s.png",
 512                          mode->hdisplay,
 513                          mode->vdisplay,
 514                          mode->vrefresh,
 515                          stereo_mode_str(mode));
 516
 517                 igt_write_fb_to_png(drm_fd, fb, buffer);
 518         }
 519
 520         return fb_id;
 521 }
 522
 523 static void do_set_stereo_mode(struct connector *c)
 524 {
 525         uint32_t fb_id;
 526         struct igt_fb fb_info;
 527
 528         fb_id = create_stereo_fb(&c->mode, &fb_info);
 529
 530         igt_warn_on_f(drmModeSetCrtc(drm_fd, c->crtc, fb_id, 0, 0, &c->id, 1, &c->mode),
 531                       "failed to set mode (%dx%d@%dHz): %s\n", width, height, c->mode.vrefresh, strerror(errno));
 532 }
 533
 534 static void
 535 set_stereo_mode(struct connector *c)
 536 {
 537         int i, n;
 538
 539
 540         if (specified_mode_num != -1)
 541                 n = 1;
 542         else
 543                 n = c->connector->count_modes;
 544
 545         for (i = 0; i < n; i++) {
 546                 if (specified_mode_num == -1)
 547                         c->mode = c->connector->modes[i];
 548
 549                 if (!c->mode_valid)
 550                         continue;
 551
 552                 if (!(c->mode.flags & DRM_MODE_FLAG_3D_MASK))
 553                         continue;
 554
 555                 igt_info("CRTC(%u): [%d]", c->crtc, i);
 556                 kmstest_dump_mode(&c->mode);
 557                 do_set_stereo_mode(c);
 558
 559                 if (qr_code) {
 560                         set_single();
 561                         pause();
 562                 } else if (sleep_between_modes)
 563                         sleep(sleep_between_modes);
 564
 565                 if (do_dpms) {
 566                         kmstest_set_connector_dpms(drm_fd, c->connector, DRM_MODE_DPMS_OFF);
 567                         sleep(sleep_between_modes);
 568                         kmstest_set_connector_dpms(drm_fd, c->connector, DRM_MODE_DPMS_ON);
 569                 }
 570         }
 571
 572         drmModeFreeEncoder(c->encoder);
 573         drmModeFreeConnector(c->connector);
 574 }
 575
 576 /*
 577  * Re-probe outputs and light up as many as possible.
 578  *
 579  * On Intel, we have two CRTCs that we can drive independently with
 580  * different timings and scanout buffers.
 581  *
 582  * Each connector has a corresponding encoder, except in the SDVO case
 583  * where an encoder may have multiple connectors.
 584  */
 585 int update_display(void)
 586 {
 587         struct connector *connectors;
 588         int c;
 589
 590         resources = drmModeGetResources(drm_fd);
 591         if (!resources) {
 592                 igt_warn("drmModeGetResources failed: %s\n", strerror(errno));
 593                 return 0;
 594         }
 595
 596         connectors = calloc(resources->count_connectors,
 597                             sizeof(struct connector));
 598         if (!connectors)
 599                 return 0;
 600
 601         if (test_preferred_mode || test_all_modes ||
 602             force_mode || specified_disp_id != -1) {
 603                 unsigned long crtc_idx_mask = -1UL;
 604
 605                 /* Find any connected displays */
 606                 for (c = 0; c < resources->count_connectors; c++) {
 607                         struct connector *connector = &connectors[c];
 608
 609                         connector->id = resources->connectors[c];
 610                         if (specified_disp_id != -1 &&
 611                             connector->id != specified_disp_id)
 612                                 continue;
 613
 614                         connector_find_preferred_mode(connector->id,
 615                                                       crtc_idx_mask,
 616                                                       specified_mode_num,
 617                                                       connector);
 618                         if (!connector->mode_valid)
 619                                 continue;
 620
 621                         set_mode(connector);
 622
 623                         if (test_preferred_mode || force_mode ||
 624                             specified_mode_num != -1)
 625                                 crtc_idx_mask &= ~(1 << connector->crtc_idx);
 626
 627                 }
 628         }
 629
 630         if (test_stereo_modes) {
 631                 for (c = 0; c < resources->count_connectors; c++) {
 632                         struct connector *connector = &connectors[c];
 633
 634                         connector->id = resources->connectors[c];
 635                         if (specified_disp_id != -1 &&
 636                             connector->id != specified_disp_id)
 637                                 continue;
 638
 639                         connector_find_preferred_mode(connector->id,
 640                                                       -1UL,
 641                                                       specified_mode_num,
 642                                                       connector);
 643                         if (!connector->mode_valid)
 644                                 continue;
 645
 646                         set_stereo_mode(connector);
 647                 }
 648         }
 649
 650         free(connectors);
 651         drmModeFreeResources(resources);
 652         return 1;
 653 }
 654
 655 static char optstr[] = "3hiaf:s:d:p:mrto:j:";
 656
 657 static void __attribute__((noreturn)) usage(char *name)
 658 {
 659         igt_info("usage: %s [-hiasdpmtf]\n", name);
 660         igt_info("\t-i\tdump info\n");
 661         igt_info("\t-a\ttest all modes\n");
 662         igt_info("\t-s\t<duration>\tsleep between each mode test\n");
 663         igt_info("\t-d\t<depth>\tbit depth of scanout buffer\n");
 664         igt_info("\t-p\t<planew,h>,<crtcx,y>,<crtcw,h> test overlay plane\n");
 665         igt_info("\t-m\ttest the preferred mode\n");
 666         igt_info("\t-3\ttest all 3D modes\n");
 667         igt_info("\t-t\tuse a tiled framebuffer\n");
 668         igt_info("\t-j\tdo dpms off, optional arg to select dpms leve (1-3)\n");
 669         igt_info("\t-r\tprint a QR code on the screen whose content is \"pass\" for the automatic test\n");
 670         igt_info("\t-o\t<id of the display>,<number of the mode>\tonly test specified mode on the specified display\n");
 671         igt_info("\t-f\t<clock MHz>,<hdisp>,<hsync-start>,<hsync-end>,<htotal>,\n");
 672         igt_info("\t\t<vdisp>,<vsync-start>,<vsync-end>,<vtotal>\n");
 673         igt_info("\t\ttest force mode\n");
 674         igt_info("\tDefault is to test all modes.\n");
 675         exit(0);
 676 }
 677
 678 #define dump_resource(res) if (res) dump_##res()
 679
 680 static void cleanup_and_exit(int ret)
 681 {
 682         close(drm_fd);
 683         exit(ret);
 684 }
 685
 686 static gboolean input_event(GIOChannel *source, GIOCondition condition,
 687                                 gpointer data)
 688 {
 689         gchar buf[2];
 690         gsize count;
 691
 692         count = read(g_io_channel_unix_get_fd(source), buf, sizeof(buf));
 693         if (buf[0] == 'q' && (count == 1 || buf[1] == '\n')) {
 694                 cleanup_and_exit(0);
 695         }
 696
 697         return TRUE;
 698 }
 699
 700 static void enter_exec_path( char **argv )
 701 {
 702         char *exec_path = NULL;
 703         char *pos = NULL;
 704         short len_path = 0;
 705         int ret;
 706
 707         len_path = strlen( argv[0] );
 708         exec_path = (char*) malloc(len_path);
 709
 710         memcpy(exec_path, argv[0], len_path);
 711         pos = strrchr(exec_path, '/');
 712         if (pos != NULL)
 713                 *(pos+1) = '\0';
 714
 715         ret = chdir(exec_path);
 716         igt_assert(ret == 0);
 717         free(exec_path);
 718 }
 719
 720 static void restore_termio_mode(int sig)
 721 {
 722         tcsetattr(tio_fd, TCSANOW, &saved_tio);
 723         close(tio_fd);
 724 }
 725
 726 static void set_termio_mode(void)
 727 {
 728         struct termios tio;
 729
 730         /* don't attempt to set terminal attributes if not in the foreground
 731          * process group */
 732         if (getpgrp() != tcgetpgrp(STDOUT_FILENO))
 733                 return;
 734
 735         tio_fd = dup(STDIN_FILENO);
 736         tcgetattr(tio_fd, &saved_tio);
 737         igt_install_exit_handler(restore_termio_mode);
 738         tio = saved_tio;
 739         tio.c_lflag &= ~(ICANON | ECHO);
 740         tcsetattr(tio_fd, TCSANOW, &tio);
 741 }
 742
 743 int main(int argc, char **argv)
 744 {
 745         int c;
 746         int ret = 0;
 747         GIOChannel *stdinchannel;
 748         GMainLoop *mainloop;
 749         float force_clock;
 750         bool opt_dump_info = false;
 751
 752         igt_skip_on_simulation();
 753
 754         enter_exec_path( argv );
 755
 756         while ((c = getopt(argc, argv, optstr)) != -1) {
 757                 switch (c) {
 758                 case '3':
 759                         test_stereo_modes = 1;
 760                         break;
 761                 case 'i':
 762                         opt_dump_info = true;
 763                         break;
 764                 case 'a':
 765                         test_all_modes = 1;
 766                         break;
 767                 case 'f':
 768                         force_mode = 1;
 769                         if(sscanf(optarg,"%f,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu",
 770                                 &force_clock,&force_timing.hdisplay, &force_timing.hsync_start,&force_timing.hsync_end,&force_timing.htotal,
 771                                 &force_timing.vdisplay, &force_timing.vsync_start, &force_timing.vsync_end, &force_timing.vtotal)!= 9)
 772                                 usage(argv[0]);
 773                         force_timing.clock = force_clock*1000;
 774
 775                         break;
 776                 case 's':
 777                         sleep_between_modes = atoi(optarg);
 778                         break;
 779                 case 'j':
 780                         do_dpms = atoi(optarg);
 781                         if (do_dpms == 0)
 782                                 do_dpms = DRM_MODE_DPMS_OFF;
 783                         break;
 784                 case 'd':
 785                         depth = atoi(optarg);
 786                         igt_info("using depth %d\n", depth);
 787                         break;
 788                 case 'p':
 789                         if (sscanf(optarg, "%d,%d,%d,%d,%d,%d", &plane_width,
 790                                    &plane_height, &crtc_x, &crtc_y,
 791                                    &crtc_w, &crtc_h) != 6)
 792                                 usage(argv[0]);
 793                         test_plane = 1;
 794                         break;
 795                 case 'm':
 796                         test_preferred_mode = 1;
 797                         break;
 798                 case 't':
 799                         enable_tiling = 1;
 800                         break;
 801                 case 'r':
 802                         qr_code = 1;
 803                         break;
 804                 case 'o':
 805                         sscanf(optarg, "%d,%d", &specified_disp_id, &specified_mode_num);
 806                         break;
 807                 default:
 808                         /* fall through */
 809                 case 'h':
 810                         usage(argv[0]);
 811                         break;
 812                 }
 813         }
 814
 815         set_termio_mode();
 816
 817         if (depth <= 8)
 818                 bpp = 8;
 819         else if (depth <= 16)
 820                 bpp = 16;
 821         else if (depth <= 32)
 822                 bpp = 32;
 823
 824         if (!test_all_modes && !force_mode && !test_preferred_mode &&
 825             specified_mode_num == -1 && !test_stereo_modes)
 826                 test_all_modes = 1;
 827
 828         drm_fd = drm_open_any();
 829
 830         if (test_stereo_modes &&
 831             drmSetClientCap(drm_fd, DRM_CLIENT_CAP_STEREO_3D, 1) < 0) {
 832                 igt_warn("DRM_CLIENT_CAP_STEREO_3D failed\n");
 833                 goto out_close;
 834         }
 835
 836         if (opt_dump_info) {
 837                 dump_info();
 838                 goto out_close;
 839         }
 840
 841         igt_set_vt_graphics_mode();
 842
 843         mainloop = g_main_loop_new(NULL, FALSE);
 844         if (!mainloop) {
 845                 igt_warn("failed to create glib mainloop\n");
 846                 ret = -1;
 847                 goto out_close;
 848         }
 849
 850         if (!testdisplay_setup_hotplug()) {
 851                 igt_warn("failed to initialize hotplug support\n");
 852                 goto out_mainloop;
 853         }
 854
 855         stdinchannel = g_io_channel_unix_new(0);
 856         if (!stdinchannel) {
 857                 igt_warn("failed to create stdin GIO channel\n");
 858                 goto out_hotplug;
 859         }
 860
 861         ret = g_io_add_watch(stdinchannel, G_IO_IN | G_IO_ERR, input_event,
 862                              NULL);
 863         if (ret < 0) {
 864                 igt_warn("failed to add watch on stdin GIO channel\n");
 865                 goto out_stdio;
 866         }
 867
 868         ret = 0;
 869
 870         if (!update_display()) {
 871                 ret = 1;
 872                 goto out_stdio;
 873         }
 874
 875         if (test_all_modes)
 876                 goto out_stdio;
 877
 878         g_main_loop_run(mainloop);
 879
 880 out_stdio:
 881         g_io_channel_shutdown(stdinchannel, TRUE, NULL);
 882 out_hotplug:
 883         testdisplay_cleanup_hotplug();
 884 out_mainloop:
 885         g_main_loop_unref(mainloop);
 886 out_close:
 887         close(drm_fd);
 888
 889         return ret;
 890 }