tests/modetest/modetest.c

   1 /*
   2  * DRM based mode setting test program
   3  * Copyright 2008 Tungsten Graphics
   4  *   Jakob Bornecrantz <jakob@tungstengraphics.com>
   5  * Copyright 2008 Intel Corporation
   6  *   Jesse Barnes <jesse.barnes@intel.com>
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24  * IN THE SOFTWARE.
  25  */
  26
  27 /*
  28  * This fairly simple test program dumps output in a similar format to the
  29  * "xrandr" tool everyone knows & loves.  It's necessarily slightly different
  30  * since the kernel separates outputs into encoder and connector structures,
  31  * each with their own unique ID.  The program also allows test testing of the
  32  * memory management and mode setting APIs by allowing the user to specify a
  33  * connector and mode to use for mode setting.  If all works as expected, a
  34  * blue background should be painted on the monitor attached to the specified
  35  * connector after the selected mode is set.
  36  *
  37  * TODO: use cairo to write the mode info on the selected output once
  38  *       the mode has been programmed, along with possible test patterns.
  39  */
  40 #include "config.h"
  41
  42 #include <assert.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <stdint.h>
  46 #include <unistd.h>
  47 #include <string.h>
  48 #include <errno.h>
  49 #include <sys/poll.h>
  50
  51 #include "xf86drm.h"
  52 #include "xf86drmMode.h"
  53 #include "intel_bufmgr.h"
  54 #include "i915_drm.h"
  55
  56 #ifdef HAVE_CAIRO
  57 #include <math.h>
  58 #include <cairo.h>
  59 #endif
  60
  61 drmModeRes *resources;
  62 int fd, modes;
  63
  64 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
  65
  66 struct type_name {
  67         int type;
  68         char *name;
  69 };
  70
  71 #define type_name_fn(res) \
  72 char * res##_str(int type) {                    \
  73         int i;                                          \
  74         for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
  75                 if (res##_names[i].type == type)        \
  76                         return res##_names[i].name;     \
  77         }                                               \
  78         return "(invalid)";                             \
  79 }
  80
  81 struct type_name encoder_type_names[] = {
  82         { DRM_MODE_ENCODER_NONE, "none" },
  83         { DRM_MODE_ENCODER_DAC, "DAC" },
  84         { DRM_MODE_ENCODER_TMDS, "TMDS" },
  85         { DRM_MODE_ENCODER_LVDS, "LVDS" },
  86         { DRM_MODE_ENCODER_TVDAC, "TVDAC" },
  87 };
  88
  89 type_name_fn(encoder_type)
  90
  91 struct type_name connector_status_names[] = {
  92         { DRM_MODE_CONNECTED, "connected" },
  93         { DRM_MODE_DISCONNECTED, "disconnected" },
  94         { DRM_MODE_UNKNOWNCONNECTION, "unknown" },
  95 };
  96
  97 type_name_fn(connector_status)
  98
  99 struct type_name connector_type_names[] = {
 100         { DRM_MODE_CONNECTOR_Unknown, "unknown" },
 101         { DRM_MODE_CONNECTOR_VGA, "VGA" },
 102         { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
 103         { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
 104         { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
 105         { DRM_MODE_CONNECTOR_Composite, "composite" },
 106         { DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
 107         { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
 108         { DRM_MODE_CONNECTOR_Component, "component" },
 109         { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
 110         { DRM_MODE_CONNECTOR_DisplayPort, "displayport" },
 111         { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
 112         { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
 113 };
 114
 115 type_name_fn(connector_type)
 116
 117 void dump_encoders(void)
 118 {
 119         drmModeEncoder *encoder;
 120         int i;
 121
 122         printf("Encoders:\n");
 123         printf("id\tcrtc\ttype\tpossible crtcs\tpossible clones\t\n");
 124         for (i = 0; i < resources->count_encoders; i++) {
 125                 encoder = drmModeGetEncoder(fd, resources->encoders[i]);
 126
 127                 if (!encoder) {
 128                         fprintf(stderr, "could not get encoder %i: %s\n",
 129                                 resources->encoders[i], strerror(errno));
 130                         continue;
 131                 }
 132                 printf("%d\t%d\t%s\t0x%08x\t0x%08x\n",
 133                        encoder->encoder_id,
 134                        encoder->crtc_id,
 135                        encoder_type_str(encoder->encoder_type),
 136                        encoder->possible_crtcs,
 137                        encoder->possible_clones);
 138                 drmModeFreeEncoder(encoder);
 139         }
 140         printf("\n");
 141 }
 142
 143 void dump_mode(drmModeModeInfo *mode)
 144 {
 145         printf("  %s %.02f %d %d %d %d %d %d %d %d\n",
 146                mode->name,
 147                (float)mode->vrefresh / 1000,
 148                mode->hdisplay,
 149                mode->hsync_start,
 150                mode->hsync_end,
 151                mode->htotal,
 152                mode->vdisplay,
 153                mode->vsync_start,
 154                mode->vsync_end,
 155                mode->vtotal);
 156 }
 157
 158 static void
 159 dump_props(drmModeConnector *connector)
 160 {
 161         drmModePropertyPtr props;
 162         int i;
 163
 164         for (i = 0; i < connector->count_props; i++) {
 165                 props = drmModeGetProperty(fd, connector->props[i]);
 166                 printf("\t%s, flags %d\n", props->name, props->flags);
 167                 drmModeFreeProperty(props);
 168         }
 169 }
 170
 171 void dump_connectors(void)
 172 {
 173         drmModeConnector *connector;
 174         int i, j;
 175
 176         printf("Connectors:\n");
 177         printf("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\tencoders\n");
 178         for (i = 0; i < resources->count_connectors; i++) {
 179                 connector = drmModeGetConnector(fd, resources->connectors[i]);
 180
 181                 if (!connector) {
 182                         fprintf(stderr, "could not get connector %i: %s\n",
 183                                 resources->connectors[i], strerror(errno));
 184                         continue;
 185                 }
 186
 187                 printf("%d\t%d\t%s\t%s\t%dx%d\t\t%d\t",
 188                        connector->connector_id,
 189                        connector->encoder_id,
 190                        connector_status_str(connector->connection),
 191                        connector_type_str(connector->connector_type),
 192                        connector->mmWidth, connector->mmHeight,
 193                        connector->count_modes);
 194
 195                 for (j = 0; j < connector->count_encoders; j++)
 196                         printf("%s%d", j > 0 ? ", " : "", connector->encoders[j]);
 197                 printf("\n");
 198
 199                 if (!connector->count_modes)
 200                         continue;
 201
 202                 printf("  modes:\n");
 203                 printf("  name refresh (Hz) hdisp hss hse htot vdisp "
 204                        "vss vse vtot)\n");
 205                 for (j = 0; j < connector->count_modes; j++)
 206                         dump_mode(&connector->modes[j]);
 207
 208                 drmModeFreeConnector(connector);
 209
 210                 printf("  props:\n");
 211                 dump_props(connector);
 212         }
 213         printf("\n");
 214 }
 215
 216 void dump_crtcs(void)
 217 {
 218         drmModeCrtc *crtc;
 219         int i;
 220
 221         printf("CRTCs:\n");
 222         printf("id\tfb\tpos\tsize\n");
 223         for (i = 0; i < resources->count_crtcs; i++) {
 224                 crtc = drmModeGetCrtc(fd, resources->crtcs[i]);
 225
 226                 if (!crtc) {
 227                         fprintf(stderr, "could not get crtc %i: %s\n",
 228                                 resources->crtcs[i], strerror(errno));
 229                         continue;
 230                 }
 231                 printf("%d\t%d\t(%d,%d)\t(%dx%d)\n",
 232                        crtc->crtc_id,
 233                        crtc->buffer_id,
 234                        crtc->x, crtc->y,
 235                        crtc->width, crtc->height);
 236                 dump_mode(&crtc->mode);
 237
 238                 drmModeFreeCrtc(crtc);
 239         }
 240         printf("\n");
 241 }
 242
 243 void dump_framebuffers(void)
 244 {
 245         drmModeFB *fb;
 246         int i;
 247
 248         printf("Frame buffers:\n");
 249         printf("id\tsize\tpitch\n");
 250         for (i = 0; i < resources->count_fbs; i++) {
 251                 fb = drmModeGetFB(fd, resources->fbs[i]);
 252
 253                 if (!fb) {
 254                         fprintf(stderr, "could not get fb %i: %s\n",
 255                                 resources->fbs[i], strerror(errno));
 256                         continue;
 257                 }
 258                 printf("%d\t(%dx%d)\t%d\n",
 259                        fb->fb_id,
 260                        fb->width, fb->height);
 261
 262                 drmModeFreeFB(fb);
 263         }
 264         printf("\n");
 265 }
 266
 267 /*
 268  * Mode setting with the kernel interfaces is a bit of a chore.
 269  * First you have to find the connector in question and make sure the
 270  * requested mode is available.
 271  * Then you need to find the encoder attached to that connector so you
 272  * can bind it with a free crtc.
 273  */
 274 struct connector {
 275         int id;
 276         char mode_str[64];
 277         drmModeModeInfo *mode;
 278         drmModeEncoder *encoder;
 279         int crtc;
 280         unsigned int fb_id[2], current_fb_id;
 281         struct timeval start;
 282
 283         int swap_count;
 284 };
 285
 286 static void
 287 connector_find_mode(struct connector *c)
 288 {
 289         drmModeConnector *connector;
 290         int i, j, size, ret, width, height;
 291
 292         /* First, find the connector & mode */
 293         c->mode = NULL;
 294         for (i = 0; i < resources->count_connectors; i++) {
 295                 connector = drmModeGetConnector(fd, resources->connectors[i]);
 296
 297                 if (!connector) {
 298                         fprintf(stderr, "could not get connector %i: %s\n",
 299                                 resources->connectors[i], strerror(errno));
 300                         drmModeFreeConnector(connector);
 301                         continue;
 302                 }
 303
 304                 if (!connector->count_modes) {
 305                         drmModeFreeConnector(connector);
 306                         continue;
 307                 }
 308
 309                 if (connector->connector_id != c->id) {
 310                         drmModeFreeConnector(connector);
 311                         continue;
 312                 }
 313
 314                 for (j = 0; j < connector->count_modes; j++) {
 315                         c->mode = &connector->modes[j];
 316                         if (!strcmp(c->mode->name, c->mode_str))
 317                                 break;
 318                 }
 319
 320                 /* Found it, break out */
 321                 if (c->mode)
 322                         break;
 323
 324                 drmModeFreeConnector(connector);
 325         }
 326
 327         if (!c->mode) {
 328                 fprintf(stderr, "failed to find mode \"%s\"\n", c->mode_str);
 329                 return;
 330         }
 331
 332         /* Now get the encoder */
 333         for (i = 0; i < resources->count_encoders; i++) {
 334                 c->encoder = drmModeGetEncoder(fd, resources->encoders[i]);
 335
 336                 if (!c->encoder) {
 337                         fprintf(stderr, "could not get encoder %i: %s\n",
 338                                 resources->encoders[i], strerror(errno));
 339                         drmModeFreeEncoder(c->encoder);
 340                         continue;
 341                 }
 342
 343                 if (c->encoder->encoder_id  == connector->encoder_id)
 344                         break;
 345
 346                 drmModeFreeEncoder(c->encoder);
 347         }
 348
 349         if (c->crtc == -1)
 350                 c->crtc = c->encoder->crtc_id;
 351 }
 352
 353 #ifdef HAVE_CAIRO
 354
 355 static int
 356 create_test_buffer(drm_intel_bufmgr *bufmgr,
 357                    int width, int height, int *stride_out, drm_intel_bo **bo_out)
 358 {
 359         drm_intel_bo *bo;
 360         unsigned int *fb_ptr;
 361         int size, ret, i, stride;
 362         div_t d;
 363         cairo_surface_t *surface;
 364         cairo_t *cr;
 365         char buf[64];
 366         int x, y;
 367
 368         surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
 369         stride = cairo_image_surface_get_stride(surface);
 370         size = stride * height;
 371         fb_ptr = (unsigned int *) cairo_image_surface_get_data(surface);
 372
 373         /* paint the buffer with colored tiles */
 374         for (i = 0; i < width * height; i++) {
 375                 d = div(i, width);
 376                 fb_ptr[i] = 0x00130502 * (d.quot >> 6) + 0x000a1120 * (d.rem >> 6);
 377         }
 378
 379         cr = cairo_create(surface);
 380         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
 381         for (x = 0; x < width; x += 250)
 382                 for (y = 0; y < height; y += 250) {
 383                         cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
 384                         cairo_move_to(cr, x, y - 20);
 385                         cairo_line_to(cr, x, y + 20);
 386                         cairo_move_to(cr, x - 20, y);
 387                         cairo_line_to(cr, x + 20, y);
 388                         cairo_new_sub_path(cr);
 389                         cairo_arc(cr, x, y, 10, 0, M_PI * 2);
 390                         cairo_set_line_width(cr, 4);
 391                         cairo_set_source_rgb(cr, 0, 0, 0);
 392                         cairo_stroke_preserve(cr);
 393                         cairo_set_source_rgb(cr, 1, 1, 1);
 394                         cairo_set_line_width(cr, 2);
 395                         cairo_stroke(cr);
 396                         snprintf(buf, sizeof buf, "%d, %d", x, y);
 397                         cairo_move_to(cr, x + 20, y + 20);
 398                         cairo_text_path(cr, buf);
 399                         cairo_set_source_rgb(cr, 0, 0, 0);
 400                         cairo_stroke_preserve(cr);
 401                         cairo_set_source_rgb(cr, 1, 1, 1);
 402                         cairo_fill(cr);
 403                 }
 404
 405         cairo_destroy(cr);
 406
 407         bo = drm_intel_bo_alloc(bufmgr, "frontbuffer", size, 4096);
 408         if (!bo) {
 409                 fprintf(stderr, "failed to alloc buffer: %s\n",
 410                         strerror(errno));
 411                 return -1;
 412         }
 413
 414         drm_intel_bo_subdata(bo, 0, size, fb_ptr);
 415
 416         cairo_surface_destroy(surface);
 417
 418         *bo_out = bo;
 419         *stride_out = stride;
 420
 421         return 0;
 422 }
 423
 424 #else
 425
 426 static int
 427 create_test_buffer(drm_intel_bufmgr *bufmgr,
 428                    int width, int height, int *stride_out, drm_intel_bo **bo_out)
 429 {
 430         drm_intel_bo *bo;
 431         unsigned int *fb_ptr;
 432         int size, ret, i, stride;
 433         div_t d;
 434
 435         /* Mode size at 32 bpp */
 436         stride = width * 4;
 437         size = stride * height;
 438
 439         bo = drm_intel_bo_alloc(bufmgr, "frontbuffer", size, 4096);
 440         if (!bo) {
 441                 fprintf(stderr, "failed to alloc buffer: %s\n",
 442                         strerror(errno));
 443                 return -1;
 444         }
 445
 446         ret = drm_intel_gem_bo_map_gtt(bo);
 447         if (ret) {
 448                 fprintf(stderr, "failed to GTT map buffer: %s\n",
 449                         strerror(errno));
 450                 return -1;
 451         }
 452
 453         fb_ptr = bo->virtual;
 454
 455         /* paint the buffer with colored tiles */
 456         for (i = 0; i < width * height; i++) {
 457                 d = div(i, width);
 458                 fb_ptr[i] = 0x00130502 * (d.quot >> 6) + 0x000a1120 * (d.rem >> 6);
 459         }
 460         drm_intel_gem_bo_unmap_gtt(bo);
 461
 462         *bo_out = bo;
 463         *stride_out = stride;
 464
 465         return 0;
 466 }
 467
 468 #endif
 469
 470 static int
 471 create_grey_buffer(drm_intel_bufmgr *bufmgr,
 472                    int width, int height, int *stride_out, drm_intel_bo **bo_out)
 473 {
 474         drm_intel_bo *bo;
 475         unsigned int *fb_ptr;
 476         int size, ret, i, stride;
 477         div_t d;
 478
 479         /* Mode size at 32 bpp */
 480         stride = width * 4;
 481         size = stride * height;
 482
 483         bo = drm_intel_bo_alloc(bufmgr, "frontbuffer", size, 4096);
 484         if (!bo) {
 485                 fprintf(stderr, "failed to alloc buffer: %s\n",
 486                         strerror(errno));
 487                 return -1;
 488         }
 489
 490         ret = drm_intel_gem_bo_map_gtt(bo);
 491         if (ret) {
 492                 fprintf(stderr, "failed to GTT map buffer: %s\n",
 493                         strerror(errno));
 494                 return -1;
 495         }
 496
 497         memset(bo->virtual, 0x77, size);
 498         drm_intel_gem_bo_unmap_gtt(bo);
 499
 500         *bo_out = bo;
 501         *stride_out = stride;
 502
 503         return 0;
 504 }
 505
 506 void
 507 page_flip_handler(int fd, unsigned int frame,
 508                   unsigned int sec, unsigned int usec, void *data)
 509 {
 510         struct connector *c;
 511         unsigned int new_fb_id;
 512         int len, ms;
 513         struct timeval end;
 514         double t;
 515
 516         c = data;
 517         if (c->current_fb_id == c->fb_id[0])
 518                 new_fb_id = c->fb_id[1];
 519         else
 520                 new_fb_id = c->fb_id[0];
 521
 522         drmModePageFlip(fd, c->crtc, new_fb_id,
 523                         DRM_MODE_PAGE_FLIP_EVENT, c);
 524         c->current_fb_id = new_fb_id;
 525         c->swap_count++;
 526         if (c->swap_count == 60) {
 527                 gettimeofday(&end, NULL);
 528                 t = end.tv_sec + end.tv_usec * 1e-6 -
 529                         (c->start.tv_sec + c->start.tv_usec * 1e-6);
 530                 fprintf(stderr, "freq: %.02fHz\n", c->swap_count / t);
 531                 c->swap_count = 0;
 532                 c->start = end;
 533         }
 534 }
 535
 536 static void
 537 set_mode(struct connector *c, int count, int page_flip)
 538 {
 539         drmModeConnector *connector;
 540         drmModeEncoder *encoder = NULL;
 541         struct drm_mode_modeinfo *mode = NULL;
 542         drm_intel_bufmgr *bufmgr;
 543         drm_intel_bo *bo, *other_bo;
 544         unsigned int fb_id, other_fb_id;
 545         int i, j, ret, width, height, x, stride;
 546         drmEventContext evctx;
 547
 548         width = 0;
 549         height = 0;
 550         for (i = 0; i < count; i++) {
 551                 connector_find_mode(&c[i]);
 552                 if (c[i].mode == NULL)
 553                         continue;
 554                 width += c[i].mode->hdisplay;
 555                 if (height < c[i].mode->vdisplay)
 556                         height = c[i].mode->vdisplay;
 557         }
 558
 559         bufmgr = drm_intel_bufmgr_gem_init(fd, 2<<20);
 560         if (!bufmgr) {
 561                 fprintf(stderr, "failed to init bufmgr: %s\n", strerror(errno));
 562                 return;
 563         }
 564
 565         if (create_test_buffer(bufmgr, width, height, &stride, &bo))
 566                 return;
 567
 568         ret = drmModeAddFB(fd, width, height, 32, 32, stride, bo->handle,
 569                            &fb_id);
 570         if (ret) {
 571                 fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
 572                 return;
 573         }
 574
 575         x = 0;
 576         for (i = 0; i < count; i++) {
 577                 if (c[i].mode == NULL)
 578                         continue;
 579
 580                 printf("setting mode %s on connector %d, crtc %d\n",
 581                        c[i].mode_str, c[i].id, c[i].crtc);
 582
 583                 ret = drmModeSetCrtc(fd, c[i].crtc, fb_id, x, 0,
 584                                      &c[i].id, 1, c[i].mode);
 585                 x += c[i].mode->hdisplay;
 586
 587                 if (ret) {
 588                         fprintf(stderr, "failed to set mode: %s\n", strerror(errno));
 589                         return;
 590                 }
 591         }
 592
 593         if (!page_flip)
 594                 return;
 595
 596         if (create_grey_buffer(bufmgr, width, height, &stride, &other_bo))
 597                 return;
 598
 599         ret = drmModeAddFB(fd, width, height, 32, 32, stride, other_bo->handle,
 600                            &other_fb_id);
 601         if (ret) {
 602                 fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
 603                 return;
 604         }
 605
 606         for (i = 0; i < count; i++) {
 607                 if (c[i].mode == NULL)
 608                         continue;
 609
 610                 drmModePageFlip(fd, c[i].crtc, other_fb_id,
 611                                 DRM_MODE_PAGE_FLIP_EVENT, &c[i]);
 612                 gettimeofday(&c[i].start, NULL);
 613                 c[i].swap_count = 0;
 614                 c[i].fb_id[0] = fb_id;
 615                 c[i].fb_id[1] = other_fb_id;
 616                 c[i].current_fb_id = fb_id;
 617         }
 618
 619         memset(&evctx, 0, sizeof evctx);
 620         evctx.version = DRM_EVENT_CONTEXT_VERSION;
 621         evctx.vblank_handler = NULL;
 622         evctx.page_flip_handler = page_flip_handler;
 623
 624         while (1) {
 625                 struct pollfd pfd[2];
 626
 627                 pfd[0].fd = 0;
 628                 pfd[0].events = POLLIN;
 629                 pfd[1].fd = fd;
 630                 pfd[1].events = POLLIN;
 631
 632                 if (poll(pfd, 2, -1) < 0) {
 633                         fprintf(stderr, "poll error\n");
 634                         break;
 635                 }
 636
 637                 if (pfd[0].revents)
 638                         break;
 639
 640                 drmHandleEvent(fd, &evctx);
 641         }
 642 }
 643
 644 extern char *optarg;
 645 extern int optind, opterr, optopt;
 646 static char optstr[] = "ecpmfs:v";
 647
 648 void usage(char *name)
 649 {
 650         fprintf(stderr, "usage: %s [-ecpmf]\n", name);
 651         fprintf(stderr, "\t-e\tlist encoders\n");
 652         fprintf(stderr, "\t-c\tlist connectors\n");
 653         fprintf(stderr, "\t-p\tlist CRTCs (pipes)\n");
 654         fprintf(stderr, "\t-m\tlist modes\n");
 655         fprintf(stderr, "\t-f\tlist framebuffers\n");
 656         fprintf(stderr, "\t-v\ttest vsynced page flipping\n");
 657         fprintf(stderr, "\t-s <connector_id>:<mode>\tset a mode\n");
 658         fprintf(stderr, "\t-s <connector_id>@<crtc_id>:<mode>\tset a mode\n");
 659         fprintf(stderr, "\n\tDefault is to dump all info.\n");
 660         exit(0);
 661 }
 662
 663 #define dump_resource(res) if (res) dump_##res()
 664
 665 static int page_flipping_supported(int fd)
 666 {
 667         int ret, value;
 668         struct drm_i915_getparam gp;
 669
 670         gp.param = I915_PARAM_HAS_PAGEFLIPPING;
 671         gp.value = &value;
 672
 673         ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
 674         if (ret) {
 675                 fprintf(stderr, "drm_i915_getparam: %m\n");
 676                 return 0;
 677         }
 678
 679         return gp.value;
 680 }
 681
 682 int main(int argc, char **argv)
 683 {
 684         int c;
 685         int encoders = 0, connectors = 0, crtcs = 0, framebuffers = 0;
 686         int test_vsync = 0;
 687         char *modules[] = { "i915", "radeon" };
 688         char *modeset = NULL, *mode, *connector;
 689         int i, connector_id, count = 0;
 690         struct connector con_args[2];
 691
 692         opterr = 0;
 693         while ((c = getopt(argc, argv, optstr)) != -1) {
 694                 switch (c) {
 695                 case 'e':
 696                         encoders = 1;
 697                         break;
 698                 case 'c':
 699                         connectors = 1;
 700                         break;
 701                 case 'p':
 702                         crtcs = 1;
 703                         break;
 704                 case 'm':
 705                         modes = 1;
 706                         break;
 707                 case 'f':
 708                         framebuffers = 1;
 709                         break;
 710                 case 'v':
 711                         test_vsync = 1;
 712                         break;
 713                 case 's':
 714                         modeset = strdup(optarg);
 715                         con_args[count].crtc = -1;
 716                         if (sscanf(optarg, "%d:%64s",
 717                                    &con_args[count].id,
 718                                    &con_args[count].mode_str) != 2 &&
 719                             sscanf(optarg, "%d@%d:%64s",
 720                                    &con_args[count].id,
 721                                    &con_args[count].crtc,
 722                                    &con_args[count].mode_str) != 3)
 723                                 usage(argv[0]);
 724                         count++;
 725                         break;
 726                 default:
 727                         usage(argv[0]);
 728                         break;
 729                 }
 730         }
 731
 732         if (argc == 1)
 733                 encoders = connectors = crtcs = modes = framebuffers = 1;
 734
 735         for (i = 0; i < ARRAY_SIZE(modules); i++) {
 736                 printf("trying to load module %s...", modules[i]);
 737                 fd = drmOpen(modules[i], NULL);
 738                 if (fd < 0) {
 739                         printf("failed.\n");
 740                 } else {
 741                         printf("success.\n");
 742                         break;
 743                 }
 744         }
 745
 746         if (test_vsync && !page_flipping_supported(fd)) {
 747                 fprintf(stderr, "page flipping not supported by drm.\n");
 748                 return -1;
 749         }
 750
 751         if (i == ARRAY_SIZE(modules)) {
 752                 fprintf(stderr, "failed to load any modules, aborting.\n");
 753                 return -1;
 754         }
 755
 756         resources = drmModeGetResources(fd);
 757         if (!resources) {
 758                 fprintf(stderr, "drmModeGetResources failed: %s\n",
 759                         strerror(errno));
 760                 drmClose(fd);
 761                 return 1;
 762         }
 763
 764         dump_resource(encoders);
 765         dump_resource(connectors);
 766         dump_resource(crtcs);
 767         dump_resource(framebuffers);
 768
 769         if (count > 0) {
 770                 set_mode(con_args, count, test_vsync);
 771                 getchar();
 772         }
 773
 774         drmModeFreeResources(resources);
 775
 776         return 0;
 777 }