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 #include <sys/time.h>
  51
  52 #include "xf86drm.h"
  53 #include "xf86drmMode.h"
  54 #include "libkms.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         { DRM_MODE_CONNECTOR_TV, "TV" },
 114         { DRM_MODE_CONNECTOR_eDP, "embedded displayport" },
 115 };
 116
 117 type_name_fn(connector_type)
 118
 119 void dump_encoders(void)
 120 {
 121         drmModeEncoder *encoder;
 122         int i;
 123
 124         printf("Encoders:\n");
 125         printf("id\tcrtc\ttype\tpossible crtcs\tpossible clones\t\n");
 126         for (i = 0; i < resources->count_encoders; i++) {
 127                 encoder = drmModeGetEncoder(fd, resources->encoders[i]);
 128
 129                 if (!encoder) {
 130                         fprintf(stderr, "could not get encoder %i: %s\n",
 131                                 resources->encoders[i], strerror(errno));
 132                         continue;
 133                 }
 134                 printf("%d\t%d\t%s\t0x%08x\t0x%08x\n",
 135                        encoder->encoder_id,
 136                        encoder->crtc_id,
 137                        encoder_type_str(encoder->encoder_type),
 138                        encoder->possible_crtcs,
 139                        encoder->possible_clones);
 140                 drmModeFreeEncoder(encoder);
 141         }
 142         printf("\n");
 143 }
 144
 145 void dump_mode(drmModeModeInfo *mode)
 146 {
 147         printf("  %s %d %d %d %d %d %d %d %d %d\n",
 148                mode->name,
 149                mode->vrefresh,
 150                mode->hdisplay,
 151                mode->hsync_start,
 152                mode->hsync_end,
 153                mode->htotal,
 154                mode->vdisplay,
 155                mode->vsync_start,
 156                mode->vsync_end,
 157                mode->vtotal);
 158 }
 159
 160 static void
 161 dump_props(drmModeConnector *connector)
 162 {
 163         drmModePropertyPtr props;
 164         int i;
 165
 166         for (i = 0; i < connector->count_props; i++) {
 167                 props = drmModeGetProperty(fd, connector->props[i]);
 168                 printf("\t%s, flags %d\n", props->name, props->flags);
 169                 drmModeFreeProperty(props);
 170         }
 171 }
 172
 173 void dump_connectors(void)
 174 {
 175         drmModeConnector *connector;
 176         int i, j;
 177
 178         printf("Connectors:\n");
 179         printf("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\tencoders\n");
 180         for (i = 0; i < resources->count_connectors; i++) {
 181                 connector = drmModeGetConnector(fd, resources->connectors[i]);
 182
 183                 if (!connector) {
 184                         fprintf(stderr, "could not get connector %i: %s\n",
 185                                 resources->connectors[i], strerror(errno));
 186                         continue;
 187                 }
 188
 189                 printf("%d\t%d\t%s\t%s\t%dx%d\t\t%d\t",
 190                        connector->connector_id,
 191                        connector->encoder_id,
 192                        connector_status_str(connector->connection),
 193                        connector_type_str(connector->connector_type),
 194                        connector->mmWidth, connector->mmHeight,
 195                        connector->count_modes);
 196
 197                 for (j = 0; j < connector->count_encoders; j++)
 198                         printf("%s%d", j > 0 ? ", " : "", connector->encoders[j]);
 199                 printf("\n");
 200
 201                 if (!connector->count_modes)
 202                         continue;
 203
 204                 printf("  modes:\n");
 205                 printf("  name refresh (Hz) hdisp hss hse htot vdisp "
 206                        "vss vse vtot)\n");
 207                 for (j = 0; j < connector->count_modes; j++)
 208                         dump_mode(&connector->modes[j]);
 209
 210                 printf("  props:\n");
 211                 dump_props(connector);
 212
 213                 drmModeFreeConnector(connector);
 214         }
 215         printf("\n");
 216 }
 217
 218 void dump_crtcs(void)
 219 {
 220         drmModeCrtc *crtc;
 221         int i;
 222
 223         printf("CRTCs:\n");
 224         printf("id\tfb\tpos\tsize\n");
 225         for (i = 0; i < resources->count_crtcs; i++) {
 226                 crtc = drmModeGetCrtc(fd, resources->crtcs[i]);
 227
 228                 if (!crtc) {
 229                         fprintf(stderr, "could not get crtc %i: %s\n",
 230                                 resources->crtcs[i], strerror(errno));
 231                         continue;
 232                 }
 233                 printf("%d\t%d\t(%d,%d)\t(%dx%d)\n",
 234                        crtc->crtc_id,
 235                        crtc->buffer_id,
 236                        crtc->x, crtc->y,
 237                        crtc->width, crtc->height);
 238                 dump_mode(&crtc->mode);
 239
 240                 drmModeFreeCrtc(crtc);
 241         }
 242         printf("\n");
 243 }
 244
 245 void dump_framebuffers(void)
 246 {
 247         drmModeFB *fb;
 248         int i;
 249
 250         printf("Frame buffers:\n");
 251         printf("id\tsize\tpitch\n");
 252         for (i = 0; i < resources->count_fbs; i++) {
 253                 fb = drmModeGetFB(fd, resources->fbs[i]);
 254
 255                 if (!fb) {
 256                         fprintf(stderr, "could not get fb %i: %s\n",
 257                                 resources->fbs[i], strerror(errno));
 258                         continue;
 259                 }
 260                 printf("%u\t(%ux%u)\t%u\n",
 261                        fb->fb_id,
 262                        fb->width, fb->height,
 263                        fb->pitch);
 264
 265                 drmModeFreeFB(fb);
 266         }
 267         printf("\n");
 268 }
 269
 270 /*
 271  * Mode setting with the kernel interfaces is a bit of a chore.
 272  * First you have to find the connector in question and make sure the
 273  * requested mode is available.
 274  * Then you need to find the encoder attached to that connector so you
 275  * can bind it with a free crtc.
 276  */
 277 struct connector {
 278         uint32_t id;
 279         char mode_str[64];
 280         drmModeModeInfo *mode;
 281         drmModeEncoder *encoder;
 282         int crtc;
 283         unsigned int fb_id[2], current_fb_id;
 284         struct timeval start;
 285
 286         int swap_count;
 287 };
 288
 289 static void
 290 connector_find_mode(struct connector *c)
 291 {
 292         drmModeConnector *connector;
 293         int i, j;
 294
 295         /* First, find the connector & mode */
 296         c->mode = NULL;
 297         for (i = 0; i < resources->count_connectors; i++) {
 298                 connector = drmModeGetConnector(fd, resources->connectors[i]);
 299
 300                 if (!connector) {
 301                         fprintf(stderr, "could not get connector %i: %s\n",
 302                                 resources->connectors[i], strerror(errno));
 303                         drmModeFreeConnector(connector);
 304                         continue;
 305                 }
 306
 307                 if (!connector->count_modes) {
 308                         drmModeFreeConnector(connector);
 309                         continue;
 310                 }
 311
 312                 if (connector->connector_id != c->id) {
 313                         drmModeFreeConnector(connector);
 314                         continue;
 315                 }
 316
 317                 for (j = 0; j < connector->count_modes; j++) {
 318                         c->mode = &connector->modes[j];
 319                         if (!strcmp(c->mode->name, c->mode_str))
 320                                 break;
 321                 }
 322
 323                 /* Found it, break out */
 324                 if (c->mode)
 325                         break;
 326
 327                 drmModeFreeConnector(connector);
 328         }
 329
 330         if (!c->mode) {
 331                 fprintf(stderr, "failed to find mode \"%s\"\n", c->mode_str);
 332                 return;
 333         }
 334
 335         /* Now get the encoder */
 336         for (i = 0; i < resources->count_encoders; i++) {
 337                 c->encoder = drmModeGetEncoder(fd, resources->encoders[i]);
 338
 339                 if (!c->encoder) {
 340                         fprintf(stderr, "could not get encoder %i: %s\n",
 341                                 resources->encoders[i], strerror(errno));
 342                         drmModeFreeEncoder(c->encoder);
 343                         continue;
 344                 }
 345
 346                 if (c->encoder->encoder_id  == connector->encoder_id)
 347                         break;
 348
 349                 drmModeFreeEncoder(c->encoder);
 350         }
 351
 352         if (c->crtc == -1)
 353                 c->crtc = c->encoder->crtc_id;
 354 }
 355
 356 static struct kms_bo *
 357 allocate_buffer(struct kms_driver *kms,
 358                 int width, int height, int *stride)
 359 {
 360         struct kms_bo *bo;
 361         unsigned bo_attribs[] = {
 362                 KMS_WIDTH,   0,
 363                 KMS_HEIGHT,  0,
 364                 KMS_BO_TYPE, KMS_BO_TYPE_SCANOUT_X8R8G8B8,
 365                 KMS_TERMINATE_PROP_LIST
 366         };
 367         int ret;
 368
 369         bo_attribs[1] = width;
 370         bo_attribs[3] = height;
 371
 372         ret = kms_bo_create(kms, bo_attribs, &bo);
 373         if (ret) {
 374                 fprintf(stderr, "failed to alloc buffer: %s\n",
 375                         strerror(-ret));
 376                 return NULL;
 377         }
 378
 379         ret = kms_bo_get_prop(bo, KMS_PITCH, stride);
 380         if (ret) {
 381                 fprintf(stderr, "failed to retreive buffer stride: %s\n",
 382                         strerror(-ret));
 383                 kms_bo_destroy(&bo);
 384                 return NULL;
 385         }
 386
 387         return bo;
 388 }
 389
 390 static void
 391 make_pwetty(void *data, int width, int height, int stride)
 392 {
 393 #ifdef HAVE_CAIRO
 394         cairo_surface_t *surface;
 395         cairo_t *cr;
 396         int x, y;
 397
 398         surface = cairo_image_surface_create_for_data(data,
 399                                                       CAIRO_FORMAT_ARGB32,
 400                                                       width, height,
 401                                                       stride);
 402         cr = cairo_create(surface);
 403         cairo_surface_destroy(surface);
 404
 405         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
 406         for (x = 0; x < width; x += 250)
 407                 for (y = 0; y < height; y += 250) {
 408                         char buf[64];
 409
 410                         cairo_move_to(cr, x, y - 20);
 411                         cairo_line_to(cr, x, y + 20);
 412                         cairo_move_to(cr, x - 20, y);
 413                         cairo_line_to(cr, x + 20, y);
 414                         cairo_new_sub_path(cr);
 415                         cairo_arc(cr, x, y, 10, 0, M_PI * 2);
 416                         cairo_set_line_width(cr, 4);
 417                         cairo_set_source_rgb(cr, 0, 0, 0);
 418                         cairo_stroke_preserve(cr);
 419                         cairo_set_source_rgb(cr, 1, 1, 1);
 420                         cairo_set_line_width(cr, 2);
 421                         cairo_stroke(cr);
 422
 423                         snprintf(buf, sizeof buf, "%d, %d", x, y);
 424                         cairo_move_to(cr, x + 20, y + 20);
 425                         cairo_text_path(cr, buf);
 426                         cairo_set_source_rgb(cr, 0, 0, 0);
 427                         cairo_stroke_preserve(cr);
 428                         cairo_set_source_rgb(cr, 1, 1, 1);
 429                         cairo_fill(cr);
 430                 }
 431
 432         cairo_destroy(cr);
 433 #endif
 434 }
 435
 436 static int
 437 create_test_buffer(struct kms_driver *kms,
 438                    int width, int height, int *stride_out,
 439                    struct kms_bo **bo_out)
 440 {
 441         struct kms_bo *bo;
 442         int ret, i, j, stride;
 443         void *virtual;
 444
 445         bo = allocate_buffer(kms, width, height, &stride);
 446         if (!bo)
 447                 return -1;
 448
 449         ret = kms_bo_map(bo, &virtual);
 450         if (ret) {
 451                 fprintf(stderr, "failed to map buffer: %s\n",
 452                         strerror(-ret));
 453                 kms_bo_destroy(&bo);
 454                 return -1;
 455         }
 456
 457         /* paint the buffer with colored tiles */
 458         for (j = 0; j < height; j++) {
 459                 uint32_t *fb_ptr = (uint32_t*)((char*)virtual + j * stride);
 460                 for (i = 0; i < width; i++) {
 461                         div_t d = div(i, width);
 462                         fb_ptr[i] =
 463                                 0x00130502 * (d.quot >> 6) +
 464                                 0x000a1120 * (d.rem >> 6);
 465                 }
 466         }
 467
 468         make_pwetty(virtual, width, height, stride);
 469
 470         kms_bo_unmap(bo);
 471
 472         *bo_out = bo;
 473         *stride_out = stride;
 474         return 0;
 475 }
 476
 477 static int
 478 create_grey_buffer(struct kms_driver *kms,
 479                    int width, int height, int *stride_out,
 480                    struct kms_bo **bo_out)
 481 {
 482         struct kms_bo *bo;
 483         int size, ret, stride;
 484         void *virtual;
 485
 486         bo = allocate_buffer(kms, width, height, &stride);
 487         if (!bo)
 488                 return -1;
 489
 490         ret = kms_bo_map(bo, &virtual);
 491         if (ret) {
 492                 fprintf(stderr, "failed to map buffer: %s\n",
 493                         strerror(-ret));
 494                 kms_bo_destroy(&bo);
 495                 return -1;
 496         }
 497
 498         size = stride * height;
 499         memset(virtual, 0x77, size);
 500         kms_bo_unmap(bo);
 501
 502         *bo_out = bo;
 503         *stride_out = stride;
 504
 505         return 0;
 506 }
 507
 508 void
 509 page_flip_handler(int fd, unsigned int frame,
 510                   unsigned int sec, unsigned int usec, void *data)
 511 {
 512         struct connector *c;
 513         unsigned int new_fb_id;
 514         struct timeval end;
 515         double t;
 516
 517         c = data;
 518         if (c->current_fb_id == c->fb_id[0])
 519                 new_fb_id = c->fb_id[1];
 520         else
 521                 new_fb_id = c->fb_id[0];
 522
 523         drmModePageFlip(fd, c->crtc, new_fb_id,
 524                         DRM_MODE_PAGE_FLIP_EVENT, c);
 525         c->current_fb_id = new_fb_id;
 526         c->swap_count++;
 527         if (c->swap_count == 60) {
 528                 gettimeofday(&end, NULL);
 529                 t = end.tv_sec + end.tv_usec * 1e-6 -
 530                         (c->start.tv_sec + c->start.tv_usec * 1e-6);
 531                 fprintf(stderr, "freq: %.02fHz\n", c->swap_count / t);
 532                 c->swap_count = 0;
 533                 c->start = end;
 534         }
 535 }
 536
 537 static void
 538 set_mode(struct connector *c, int count, int page_flip)
 539 {
 540         struct kms_driver *kms;
 541         struct kms_bo *bo, *other_bo;
 542         unsigned int fb_id, other_fb_id;
 543         int i, ret, width, height, x, stride;
 544         unsigned handle;
 545         drmEventContext evctx;
 546
 547         width = 0;
 548         height = 0;
 549         for (i = 0; i < count; i++) {
 550                 connector_find_mode(&c[i]);
 551                 if (c[i].mode == NULL)
 552                         continue;
 553                 width += c[i].mode->hdisplay;
 554                 if (height < c[i].mode->vdisplay)
 555                         height = c[i].mode->vdisplay;
 556         }
 557
 558         ret = kms_create(fd, &kms);
 559         if (ret) {
 560                 fprintf(stderr, "failed to create kms driver: %s\n",
 561                         strerror(-ret));
 562                 return;
 563         }
 564
 565         if (create_test_buffer(kms, width, height, &stride, &bo))
 566                 return;
 567
 568         kms_bo_get_prop(bo, KMS_HANDLE, &handle);
 569         ret = drmModeAddFB(fd, width, height, 24, 32, stride, handle, &fb_id);
 570         if (ret) {
 571                 fprintf(stderr, "failed to add fb (%ux%u): %s\n",
 572                         width, height, strerror(errno));
 573                 return;
 574         }
 575
 576         x = 0;
 577         for (i = 0; i < count; i++) {
 578                 if (c[i].mode == NULL)
 579                         continue;
 580
 581                 printf("setting mode %s on connector %d, crtc %d\n",
 582                        c[i].mode_str, c[i].id, c[i].crtc);
 583
 584                 ret = drmModeSetCrtc(fd, c[i].crtc, fb_id, x, 0,
 585                                      &c[i].id, 1, c[i].mode);
 586
 587                 /* XXX: Actually check if this is needed */
 588                 drmModeDirtyFB(fd, fb_id, NULL, 0);
 589
 590                 x += c[i].mode->hdisplay;
 591
 592                 if (ret) {
 593                         fprintf(stderr, "failed to set mode: %s\n", strerror(errno));
 594                         return;
 595                 }
 596         }
 597
 598         if (!page_flip)
 599                 return;
 600
 601         if (create_grey_buffer(kms, width, height, &stride, &other_bo))
 602                 return;
 603
 604         kms_bo_get_prop(other_bo, KMS_HANDLE, &handle);
 605         ret = drmModeAddFB(fd, width, height, 32, 32, stride, handle,
 606                            &other_fb_id);
 607         if (ret) {
 608                 fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
 609                 return;
 610         }
 611
 612         for (i = 0; i < count; i++) {
 613                 if (c[i].mode == NULL)
 614                         continue;
 615
 616                 ret = drmModePageFlip(fd, c[i].crtc, other_fb_id,
 617                                       DRM_MODE_PAGE_FLIP_EVENT, &c[i]);
 618                 if (ret) {
 619                         fprintf(stderr, "failed to page flip: %s\n", strerror(errno));
 620                         return;
 621                 }
 622                 gettimeofday(&c[i].start, NULL);
 623                 c[i].swap_count = 0;
 624                 c[i].fb_id[0] = fb_id;
 625                 c[i].fb_id[1] = other_fb_id;
 626                 c[i].current_fb_id = other_fb_id;
 627         }
 628
 629         memset(&evctx, 0, sizeof evctx);
 630         evctx.version = DRM_EVENT_CONTEXT_VERSION;
 631         evctx.vblank_handler = NULL;
 632         evctx.page_flip_handler = page_flip_handler;
 633
 634         while (1) {
 635 #if 0
 636                 struct pollfd pfd[2];
 637
 638                 pfd[0].fd = 0;
 639                 pfd[0].events = POLLIN;
 640                 pfd[1].fd = fd;
 641                 pfd[1].events = POLLIN;
 642
 643                 if (poll(pfd, 2, -1) < 0) {
 644                         fprintf(stderr, "poll error\n");
 645                         break;
 646                 }
 647
 648                 if (pfd[0].revents)
 649                         break;
 650 #else
 651                 struct timeval timeout = { .tv_sec = 3, .tv_usec = 0 };
 652                 fd_set fds;
 653                 int ret;
 654
 655                 FD_ZERO(&fds);
 656                 FD_SET(0, &fds);
 657                 FD_SET(fd, &fds);
 658                 ret = select(fd + 1, &fds, NULL, NULL, &timeout);
 659
 660                 if (ret <= 0) {
 661                         fprintf(stderr, "select timed out or error (ret %d)\n",
 662                                 ret);
 663                         continue;
 664                 } else if (FD_ISSET(0, &fds)) {
 665                         break;
 666                 }
 667 #endif
 668
 669                 drmHandleEvent(fd, &evctx);
 670         }
 671
 672         kms_bo_destroy(&bo);
 673         kms_bo_destroy(&other_bo);
 674         kms_destroy(&kms);
 675 }
 676
 677 extern char *optarg;
 678 extern int optind, opterr, optopt;
 679 static char optstr[] = "ecpmfs:v";
 680
 681 void usage(char *name)
 682 {
 683         fprintf(stderr, "usage: %s [-ecpmf]\n", name);
 684         fprintf(stderr, "\t-e\tlist encoders\n");
 685         fprintf(stderr, "\t-c\tlist connectors\n");
 686         fprintf(stderr, "\t-p\tlist CRTCs (pipes)\n");
 687         fprintf(stderr, "\t-m\tlist modes\n");
 688         fprintf(stderr, "\t-f\tlist framebuffers\n");
 689         fprintf(stderr, "\t-v\ttest vsynced page flipping\n");
 690         fprintf(stderr, "\t-s <connector_id>:<mode>\tset a mode\n");
 691         fprintf(stderr, "\t-s <connector_id>@<crtc_id>:<mode>\tset a mode\n");
 692         fprintf(stderr, "\n\tDefault is to dump all info.\n");
 693         exit(0);
 694 }
 695
 696 #define dump_resource(res) if (res) dump_##res()
 697
 698 static int page_flipping_supported(int fd)
 699 {
 700         /*FIXME: generic ioctl needed? */
 701         return 1;
 702 #if 0
 703         int ret, value;
 704         struct drm_i915_getparam gp;
 705
 706         gp.param = I915_PARAM_HAS_PAGEFLIPPING;
 707         gp.value = &value;
 708
 709         ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
 710         if (ret) {
 711                 fprintf(stderr, "drm_i915_getparam: %m\n");
 712                 return 0;
 713         }
 714
 715         return *gp.value;
 716 #endif
 717 }
 718
 719 int main(int argc, char **argv)
 720 {
 721         int c;
 722         int encoders = 0, connectors = 0, crtcs = 0, framebuffers = 0;
 723         int test_vsync = 0;
 724         char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx" };
 725         char *modeset = NULL;
 726         int i, count = 0;
 727         struct connector con_args[2];
 728
 729         opterr = 0;
 730         while ((c = getopt(argc, argv, optstr)) != -1) {
 731                 switch (c) {
 732                 case 'e':
 733                         encoders = 1;
 734                         break;
 735                 case 'c':
 736                         connectors = 1;
 737                         break;
 738                 case 'p':
 739                         crtcs = 1;
 740                         break;
 741                 case 'm':
 742                         modes = 1;
 743                         break;
 744                 case 'f':
 745                         framebuffers = 1;
 746                         break;
 747                 case 'v':
 748                         test_vsync = 1;
 749                         break;
 750                 case 's':
 751                         modeset = strdup(optarg);
 752                         con_args[count].crtc = -1;
 753                         if (sscanf(optarg, "%d:%64s",
 754                                    &con_args[count].id,
 755                                    con_args[count].mode_str) != 2 &&
 756                             sscanf(optarg, "%d@%d:%64s",
 757                                    &con_args[count].id,
 758                                    &con_args[count].crtc,
 759                                    con_args[count].mode_str) != 3)
 760                                 usage(argv[0]);
 761                         count++;
 762                         break;
 763                 default:
 764                         usage(argv[0]);
 765                         break;
 766                 }
 767         }
 768
 769         if (argc == 1)
 770                 encoders = connectors = crtcs = modes = framebuffers = 1;
 771
 772         for (i = 0; i < ARRAY_SIZE(modules); i++) {
 773                 printf("trying to load module %s...", modules[i]);
 774                 fd = drmOpen(modules[i], NULL);
 775                 if (fd < 0) {
 776                         printf("failed.\n");
 777                 } else {
 778                         printf("success.\n");
 779                         break;
 780                 }
 781         }
 782
 783         if (test_vsync && !page_flipping_supported(fd)) {
 784                 fprintf(stderr, "page flipping not supported by drm.\n");
 785                 return -1;
 786         }
 787
 788         if (i == ARRAY_SIZE(modules)) {
 789                 fprintf(stderr, "failed to load any modules, aborting.\n");
 790                 return -1;
 791         }
 792
 793         resources = drmModeGetResources(fd);
 794         if (!resources) {
 795                 fprintf(stderr, "drmModeGetResources failed: %s\n",
 796                         strerror(errno));
 797                 drmClose(fd);
 798                 return 1;
 799         }
 800
 801         dump_resource(encoders);
 802         dump_resource(connectors);
 803         dump_resource(crtcs);
 804         dump_resource(framebuffers);
 805
 806         if (count > 0) {
 807                 set_mode(con_args, count, test_vsync);
 808                 getchar();
 809         }
 810
 811         drmModeFreeResources(resources);
 812
 813         return 0;
 814 }