drivers/gpu/drm/selftests/test-drm_damage_helper.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Test case for drm_damage_helper functions
   4  */
   5
   6 #define pr_fmt(fmt) "drm_damage_helper: " fmt
   7
   8 #include <drm/drm_damage_helper.h>
   9
  10 #include "test-drm_modeset_common.h"
  11
  12 static void set_plane_src(struct drm_plane_state *state, int x1, int y1, int x2,
  13                           int y2)
  14 {
  15         state->src.x1 = x1;
  16         state->src.y1 = y1;
  17         state->src.x2 = x2;
  18         state->src.y2 = y2;
  19 }
  20
  21 static void set_damage_clip(struct drm_mode_rect *r, int x1, int y1, int x2,
  22                             int y2)
  23 {
  24         r->x1 = x1;
  25         r->y1 = y1;
  26         r->x2 = x2;
  27         r->y2 = y2;
  28 }
  29
  30 static void set_damage_blob(struct drm_property_blob *damage_blob,
  31                             struct drm_mode_rect *r, uint32_t size)
  32 {
  33         damage_blob->length = size;
  34         damage_blob->data = r;
  35 }
  36
  37 static void set_plane_damage(struct drm_plane_state *state,
  38                              struct drm_property_blob *damage_blob)
  39 {
  40         state->fb_damage_clips = damage_blob;
  41 }
  42
  43 static bool check_damage_clip(struct drm_plane_state *state, struct drm_rect *r,
  44                               int x1, int y1, int x2, int y2)
  45 {
  46         /*
  47          * Round down x1/y1 and round up x2/y2. This is because damage is not in
  48          * 16.16 fixed point so to catch all pixels.
  49          */
  50         int src_x1 = state->src.x1 >> 16;
  51         int src_y1 = state->src.y1 >> 16;
  52         int src_x2 = (state->src.x2 >> 16) + !!(state->src.x2 & 0xFFFF);
  53         int src_y2 = (state->src.y2 >> 16) + !!(state->src.y2 & 0xFFFF);
  54
  55         if (x1 >= x2 || y1 >= y2) {
  56                 pr_err("Cannot have damage clip with no dimension.\n");
  57                 return false;
  58         }
  59
  60         if (x1 < src_x1 || y1 < src_y1 || x2 > src_x2 || y2 > src_y2) {
  61                 pr_err("Damage cannot be outside rounded plane src.\n");
  62                 return false;
  63         }
  64
  65         if (r->x1 != x1 || r->y1 != y1 || r->x2 != x2 || r->y2 != y2) {
  66                 pr_err("Damage = %d %d %d %d\n", r->x1, r->y1, r->x2, r->y2);
  67                 return false;
  68         }
  69
  70         return true;
  71 }
  72
  73 int igt_damage_iter_no_damage(void *ignored)
  74 {
  75         struct drm_atomic_helper_damage_iter iter;
  76         struct drm_plane_state old_state;
  77         struct drm_rect clip;
  78         uint32_t num_hits = 0;
  79
  80         struct drm_framebuffer fb = {
  81                 .width = 2048,
  82                 .height = 2048
  83         };
  84
  85         struct drm_plane_state state = {
  86                 .crtc = ZERO_SIZE_PTR,
  87                 .fb = &fb,
  88                 .visible = true,
  89         };
  90
  91         /* Plane src same as fb size. */
  92         set_plane_src(&old_state, 0, 0, fb.width << 16, fb.height << 16);
  93         set_plane_src(&state, 0, 0, fb.width << 16, fb.height << 16);
  94         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
  95         drm_atomic_for_each_plane_damage(&iter, &clip)
  96                 num_hits++;
  97
  98         FAIL(num_hits != 1, "Should return plane src as damage.");
  99         FAIL_ON(!check_damage_clip(&state, &clip, 0, 0, 2048, 2048));
 100
 101         return 0;
 102 }
 103
 104 int igt_damage_iter_no_damage_fractional_src(void *ignored)
 105 {
 106         struct drm_atomic_helper_damage_iter iter;
 107         struct drm_plane_state old_state;
 108         struct drm_rect clip;
 109         uint32_t num_hits = 0;
 110
 111         struct drm_framebuffer fb = {
 112                 .width = 2048,
 113                 .height = 2048
 114         };
 115
 116         struct drm_plane_state state = {
 117                 .crtc = ZERO_SIZE_PTR,
 118                 .fb = &fb,
 119                 .visible = true,
 120         };
 121
 122         /* Plane src has fractional part. */
 123         set_plane_src(&old_state, 0x3fffe, 0x3fffe,
 124                       0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
 125         set_plane_src(&state, 0x3fffe, 0x3fffe,
 126                       0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
 127         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 128         drm_atomic_for_each_plane_damage(&iter, &clip)
 129                 num_hits++;
 130
 131         FAIL(num_hits != 1, "Should return rounded off plane src as damage.");
 132         FAIL_ON(!check_damage_clip(&state, &clip, 3, 3, 1028, 772));
 133
 134         return 0;
 135 }
 136
 137 int igt_damage_iter_no_damage_src_moved(void *ignored)
 138 {
 139         struct drm_atomic_helper_damage_iter iter;
 140         struct drm_plane_state old_state;
 141         struct drm_rect clip;
 142         uint32_t num_hits = 0;
 143
 144         struct drm_framebuffer fb = {
 145                 .width = 2048,
 146                 .height = 2048
 147         };
 148
 149         struct drm_plane_state state = {
 150                 .crtc = ZERO_SIZE_PTR,
 151                 .fb = &fb,
 152                 .visible = true,
 153         };
 154
 155         /* Plane src moved since old plane state. */
 156         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 157         set_plane_src(&state, 10 << 16, 10 << 16,
 158                       (10 + 1024) << 16, (10 + 768) << 16);
 159         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 160         drm_atomic_for_each_plane_damage(&iter, &clip)
 161                 num_hits++;
 162
 163         FAIL(num_hits != 1, "Should return plane src as damage.");
 164         FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 1034, 778));
 165
 166         return 0;
 167 }
 168
 169 int igt_damage_iter_no_damage_fractional_src_moved(void *ignored)
 170 {
 171         struct drm_atomic_helper_damage_iter iter;
 172         struct drm_plane_state old_state;
 173         struct drm_rect clip;
 174         uint32_t num_hits = 0;
 175
 176         struct drm_framebuffer fb = {
 177                 .width = 2048,
 178                 .height = 2048
 179         };
 180
 181         struct drm_plane_state state = {
 182                 .crtc = ZERO_SIZE_PTR,
 183                 .fb = &fb,
 184                 .visible = true,
 185         };
 186
 187         /* Plane src has fractional part and it moved since old plane state. */
 188         set_plane_src(&old_state, 0x3fffe, 0x3fffe,
 189                       0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
 190         set_plane_src(&state, 0x40002, 0x40002,
 191                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 192         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 193         drm_atomic_for_each_plane_damage(&iter, &clip)
 194                 num_hits++;
 195
 196         FAIL(num_hits != 1, "Should return plane src as damage.");
 197         FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773));
 198
 199         return 0;
 200 }
 201
 202 int igt_damage_iter_no_damage_not_visible(void *ignored)
 203 {
 204         struct drm_atomic_helper_damage_iter iter;
 205         struct drm_plane_state old_state;
 206         struct drm_rect clip;
 207         uint32_t num_hits = 0;
 208
 209         struct drm_framebuffer fb = {
 210                 .width = 2048,
 211                 .height = 2048
 212         };
 213
 214         struct drm_plane_state state = {
 215                 .crtc = ZERO_SIZE_PTR,
 216                 .fb = &fb,
 217                 .visible = false,
 218         };
 219
 220         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 221         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 222         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 223         drm_atomic_for_each_plane_damage(&iter, &clip)
 224                 num_hits++;
 225
 226         FAIL(num_hits != 0, "Should have no damage.");
 227
 228         return 0;
 229 }
 230
 231 int igt_damage_iter_no_damage_no_crtc(void *ignored)
 232 {
 233         struct drm_atomic_helper_damage_iter iter;
 234         struct drm_plane_state old_state;
 235         struct drm_rect clip;
 236         uint32_t num_hits = 0;
 237
 238         struct drm_framebuffer fb = {
 239                 .width = 2048,
 240                 .height = 2048
 241         };
 242
 243         struct drm_plane_state state = {
 244                 .crtc = 0,
 245                 .fb = &fb,
 246         };
 247
 248         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 249         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 250         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 251         drm_atomic_for_each_plane_damage(&iter, &clip)
 252                 num_hits++;
 253
 254         FAIL(num_hits != 0, "Should have no damage.");
 255
 256         return 0;
 257 }
 258
 259 int igt_damage_iter_no_damage_no_fb(void *ignored)
 260 {
 261         struct drm_atomic_helper_damage_iter iter;
 262         struct drm_plane_state old_state;
 263         struct drm_rect clip;
 264         uint32_t num_hits = 0;
 265
 266         struct drm_plane_state state = {
 267                 .crtc = ZERO_SIZE_PTR,
 268                 .fb = 0,
 269         };
 270
 271         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 272         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 273         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 274         drm_atomic_for_each_plane_damage(&iter, &clip)
 275                 num_hits++;
 276
 277         FAIL(num_hits != 0, "Should have no damage.");
 278
 279         return 0;
 280 }
 281
 282 int igt_damage_iter_simple_damage(void *ignored)
 283 {
 284         struct drm_atomic_helper_damage_iter iter;
 285         struct drm_plane_state old_state;
 286         struct drm_property_blob damage_blob;
 287         struct drm_mode_rect damage;
 288         struct drm_rect clip;
 289         uint32_t num_hits = 0;
 290
 291         struct drm_framebuffer fb = {
 292                 .width = 2048,
 293                 .height = 2048
 294         };
 295
 296         struct drm_plane_state state = {
 297                 .crtc = ZERO_SIZE_PTR,
 298                 .fb = &fb,
 299                 .visible = true,
 300         };
 301
 302         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 303         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 304         /* Damage set to plane src */
 305         set_damage_clip(&damage, 0, 0, 1024, 768);
 306         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 307         set_plane_damage(&state, &damage_blob);
 308         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 309         drm_atomic_for_each_plane_damage(&iter, &clip)
 310                 num_hits++;
 311
 312         FAIL(num_hits != 1, "Should return damage when set.");
 313         FAIL_ON(!check_damage_clip(&state, &clip, 0, 0, 1024, 768));
 314
 315         return 0;
 316 }
 317
 318 int igt_damage_iter_single_damage(void *ignored)
 319 {
 320         struct drm_atomic_helper_damage_iter iter;
 321         struct drm_plane_state old_state;
 322         struct drm_property_blob damage_blob;
 323         struct drm_mode_rect damage;
 324         struct drm_rect clip;
 325         uint32_t num_hits = 0;
 326
 327         struct drm_framebuffer fb = {
 328                 .width = 2048,
 329                 .height = 2048
 330         };
 331
 332         struct drm_plane_state state = {
 333                 .crtc = ZERO_SIZE_PTR,
 334                 .fb = &fb,
 335                 .visible = true,
 336         };
 337
 338         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 339         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 340         set_damage_clip(&damage, 256, 192, 768, 576);
 341         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 342         set_plane_damage(&state, &damage_blob);
 343         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 344         drm_atomic_for_each_plane_damage(&iter, &clip)
 345                 num_hits++;
 346
 347         FAIL(num_hits != 1, "Should return damage when set.");
 348         FAIL_ON(!check_damage_clip(&state, &clip, 256, 192, 768, 576));
 349
 350         return 0;
 351 }
 352
 353 int igt_damage_iter_single_damage_intersect_src(void *ignored)
 354 {
 355         struct drm_atomic_helper_damage_iter iter;
 356         struct drm_plane_state old_state;
 357         struct drm_property_blob damage_blob;
 358         struct drm_mode_rect damage;
 359         struct drm_rect clip;
 360         uint32_t num_hits = 0;
 361
 362         struct drm_framebuffer fb = {
 363                 .width = 2048,
 364                 .height = 2048
 365         };
 366
 367         struct drm_plane_state state = {
 368                 .crtc = ZERO_SIZE_PTR,
 369                 .fb = &fb,
 370                 .visible = true,
 371         };
 372
 373         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 374         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 375         /* Damage intersect with plane src. */
 376         set_damage_clip(&damage, 256, 192, 1360, 768);
 377         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 378         set_plane_damage(&state, &damage_blob);
 379         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 380         drm_atomic_for_each_plane_damage(&iter, &clip)
 381                 num_hits++;
 382
 383         FAIL(num_hits != 1, "Should return damage clipped to src.");
 384         FAIL_ON(!check_damage_clip(&state, &clip, 256, 192, 1024, 768));
 385
 386         return 0;
 387 }
 388
 389 int igt_damage_iter_single_damage_outside_src(void *ignored)
 390 {
 391         struct drm_atomic_helper_damage_iter iter;
 392         struct drm_plane_state old_state;
 393         struct drm_property_blob damage_blob;
 394         struct drm_mode_rect damage;
 395         struct drm_rect clip;
 396         uint32_t num_hits = 0;
 397
 398         struct drm_framebuffer fb = {
 399                 .width = 2048,
 400                 .height = 2048
 401         };
 402
 403         struct drm_plane_state state = {
 404                 .crtc = ZERO_SIZE_PTR,
 405                 .fb = &fb,
 406                 .visible = true,
 407         };
 408
 409         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 410         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 411         /* Damage clip outside plane src */
 412         set_damage_clip(&damage, 1360, 1360, 1380, 1380);
 413         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 414         set_plane_damage(&state, &damage_blob);
 415         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 416         drm_atomic_for_each_plane_damage(&iter, &clip)
 417                 num_hits++;
 418
 419         FAIL(num_hits != 0, "Should have no damage.");
 420
 421         return 0;
 422 }
 423
 424 int igt_damage_iter_single_damage_fractional_src(void *ignored)
 425 {
 426         struct drm_atomic_helper_damage_iter iter;
 427         struct drm_plane_state old_state;
 428         struct drm_property_blob damage_blob;
 429         struct drm_mode_rect damage;
 430         struct drm_rect clip;
 431         uint32_t num_hits = 0;
 432
 433         struct drm_framebuffer fb = {
 434                 .width = 2048,
 435                 .height = 2048
 436         };
 437
 438         struct drm_plane_state state = {
 439                 .crtc = ZERO_SIZE_PTR,
 440                 .fb = &fb,
 441                 .visible = true,
 442         };
 443
 444         /* Plane src has fractional part. */
 445         set_plane_src(&old_state, 0x40002, 0x40002,
 446                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 447         set_plane_src(&state, 0x40002, 0x40002,
 448                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 449         set_damage_clip(&damage, 10, 10, 256, 330);
 450         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 451         set_plane_damage(&state, &damage_blob);
 452         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 453         drm_atomic_for_each_plane_damage(&iter, &clip)
 454                 num_hits++;
 455
 456         FAIL(num_hits != 1, "Should return damage when set.");
 457         FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 256, 330));
 458
 459         return 0;
 460 }
 461
 462 int igt_damage_iter_single_damage_intersect_fractional_src(void *ignored)
 463 {
 464         struct drm_atomic_helper_damage_iter iter;
 465         struct drm_plane_state old_state;
 466         struct drm_property_blob damage_blob;
 467         struct drm_mode_rect damage;
 468         struct drm_rect clip;
 469         uint32_t num_hits = 0;
 470
 471         struct drm_framebuffer fb = {
 472                 .width = 2048,
 473                 .height = 2048
 474         };
 475
 476         struct drm_plane_state state = {
 477                 .crtc = ZERO_SIZE_PTR,
 478                 .fb = &fb,
 479                 .visible = true,
 480         };
 481
 482         /* Plane src has fractional part. */
 483         set_plane_src(&old_state, 0x40002, 0x40002,
 484                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 485         set_plane_src(&state, 0x40002, 0x40002,
 486                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 487         /* Damage intersect with plane src. */
 488         set_damage_clip(&damage, 10, 1, 1360, 330);
 489         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 490         set_plane_damage(&state, &damage_blob);
 491         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 492         drm_atomic_for_each_plane_damage(&iter, &clip)
 493                 num_hits++;
 494
 495         FAIL(num_hits != 1, "Should return damage clipped to rounded off src.");
 496         FAIL_ON(!check_damage_clip(&state, &clip, 10, 4, 1029, 330));
 497
 498         return 0;
 499 }
 500
 501 int igt_damage_iter_single_damage_outside_fractional_src(void *ignored)
 502 {
 503         struct drm_atomic_helper_damage_iter iter;
 504         struct drm_plane_state old_state;
 505         struct drm_property_blob damage_blob;
 506         struct drm_mode_rect damage;
 507         struct drm_rect clip;
 508         uint32_t num_hits = 0;
 509
 510         struct drm_framebuffer fb = {
 511                 .width = 2048,
 512                 .height = 2048
 513         };
 514
 515         struct drm_plane_state state = {
 516                 .crtc = ZERO_SIZE_PTR,
 517                 .fb = &fb,
 518                 .visible = true,
 519         };
 520
 521         /* Plane src has fractional part. */
 522         set_plane_src(&old_state, 0x40002, 0x40002,
 523                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 524         set_plane_src(&state, 0x40002, 0x40002,
 525                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 526         /* Damage clip outside plane src */
 527         set_damage_clip(&damage, 1360, 1360, 1380, 1380);
 528         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 529         set_plane_damage(&state, &damage_blob);
 530         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 531         drm_atomic_for_each_plane_damage(&iter, &clip)
 532                 num_hits++;
 533
 534         FAIL(num_hits != 0, "Should have no damage.");
 535
 536         return 0;
 537 }
 538
 539 int igt_damage_iter_single_damage_src_moved(void *ignored)
 540 {
 541         struct drm_atomic_helper_damage_iter iter;
 542         struct drm_plane_state old_state;
 543         struct drm_property_blob damage_blob;
 544         struct drm_mode_rect damage;
 545         struct drm_rect clip;
 546         uint32_t num_hits = 0;
 547
 548         struct drm_framebuffer fb = {
 549                 .width = 2048,
 550                 .height = 2048
 551         };
 552
 553         struct drm_plane_state state = {
 554                 .crtc = ZERO_SIZE_PTR,
 555                 .fb = &fb,
 556                 .visible = true,
 557         };
 558
 559         /* Plane src moved since old plane state. */
 560         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 561         set_plane_src(&state, 10 << 16, 10 << 16,
 562                       (10 + 1024) << 16, (10 + 768) << 16);
 563         set_damage_clip(&damage, 20, 30, 256, 256);
 564         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 565         set_plane_damage(&state, &damage_blob);
 566         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 567         drm_atomic_for_each_plane_damage(&iter, &clip)
 568                 num_hits++;
 569
 570         FAIL(num_hits != 1, "Should return plane src as damage.");
 571         FAIL_ON(!check_damage_clip(&state, &clip, 10, 10, 1034, 778));
 572
 573         return 0;
 574 }
 575
 576 int igt_damage_iter_single_damage_fractional_src_moved(void *ignored)
 577 {
 578         struct drm_atomic_helper_damage_iter iter;
 579         struct drm_plane_state old_state;
 580         struct drm_property_blob damage_blob;
 581         struct drm_mode_rect damage;
 582         struct drm_rect clip;
 583         uint32_t num_hits = 0;
 584
 585         struct drm_framebuffer fb = {
 586                 .width = 2048,
 587                 .height = 2048
 588         };
 589
 590         struct drm_plane_state state = {
 591                 .crtc = ZERO_SIZE_PTR,
 592                 .fb = &fb,
 593                 .visible = true,
 594         };
 595
 596         /* Plane src with fractional part moved since old plane state. */
 597         set_plane_src(&old_state, 0x3fffe, 0x3fffe,
 598                       0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
 599         set_plane_src(&state, 0x40002, 0x40002,
 600                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 601         /* Damage intersect with plane src. */
 602         set_damage_clip(&damage, 20, 30, 1360, 256);
 603         set_damage_blob(&damage_blob, &damage, sizeof(damage));
 604         set_plane_damage(&state, &damage_blob);
 605         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 606         drm_atomic_for_each_plane_damage(&iter, &clip)
 607                 num_hits++;
 608
 609         FAIL(num_hits != 1, "Should return rounded off plane src as damage.");
 610         FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773));
 611
 612         return 0;
 613 }
 614
 615 int igt_damage_iter_damage(void *ignored)
 616 {
 617         struct drm_atomic_helper_damage_iter iter;
 618         struct drm_plane_state old_state;
 619         struct drm_property_blob damage_blob;
 620         struct drm_mode_rect damage[2];
 621         struct drm_rect clip;
 622         uint32_t num_hits = 0;
 623
 624         struct drm_framebuffer fb = {
 625                 .width = 2048,
 626                 .height = 2048
 627         };
 628
 629         struct drm_plane_state state = {
 630                 .crtc = ZERO_SIZE_PTR,
 631                 .fb = &fb,
 632                 .visible = true,
 633         };
 634
 635         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 636         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 637         /* 2 damage clips. */
 638         set_damage_clip(&damage[0], 20, 30, 200, 180);
 639         set_damage_clip(&damage[1], 240, 200, 280, 250);
 640         set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
 641         set_plane_damage(&state, &damage_blob);
 642         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 643         drm_atomic_for_each_plane_damage(&iter, &clip) {
 644                 if (num_hits == 0)
 645                         FAIL_ON(!check_damage_clip(&state, &clip, 20, 30, 200, 180));
 646                 if (num_hits == 1)
 647                         FAIL_ON(!check_damage_clip(&state, &clip, 240, 200, 280, 250));
 648                 num_hits++;
 649         }
 650
 651         FAIL(num_hits != 2, "Should return damage when set.");
 652
 653         return 0;
 654 }
 655
 656 int igt_damage_iter_damage_one_intersect(void *ignored)
 657 {
 658         struct drm_atomic_helper_damage_iter iter;
 659         struct drm_plane_state old_state;
 660         struct drm_property_blob damage_blob;
 661         struct drm_mode_rect damage[2];
 662         struct drm_rect clip;
 663         uint32_t num_hits = 0;
 664
 665         struct drm_framebuffer fb = {
 666                 .width = 2048,
 667                 .height = 2048
 668         };
 669
 670         struct drm_plane_state state = {
 671                 .crtc = ZERO_SIZE_PTR,
 672                 .fb = &fb,
 673                 .visible = true,
 674         };
 675
 676         set_plane_src(&old_state, 0x40002, 0x40002,
 677                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 678         set_plane_src(&state, 0x40002, 0x40002,
 679                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 680         /* 2 damage clips, one intersect plane src. */
 681         set_damage_clip(&damage[0], 20, 30, 200, 180);
 682         set_damage_clip(&damage[1], 2, 2, 1360, 1360);
 683         set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
 684         set_plane_damage(&state, &damage_blob);
 685         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 686         drm_atomic_for_each_plane_damage(&iter, &clip) {
 687                 if (num_hits == 0)
 688                         FAIL_ON(!check_damage_clip(&state, &clip, 20, 30, 200, 180));
 689                 if (num_hits == 1)
 690                         FAIL_ON(!check_damage_clip(&state, &clip, 4, 4, 1029, 773));
 691                 num_hits++;
 692         }
 693
 694         FAIL(num_hits != 2, "Should return damage when set.");
 695
 696         return 0;
 697 }
 698
 699 int igt_damage_iter_damage_one_outside(void *ignored)
 700 {
 701         struct drm_atomic_helper_damage_iter iter;
 702         struct drm_plane_state old_state;
 703         struct drm_property_blob damage_blob;
 704         struct drm_mode_rect damage[2];
 705         struct drm_rect clip;
 706         uint32_t num_hits = 0;
 707
 708         struct drm_framebuffer fb = {
 709                 .width = 2048,
 710                 .height = 2048
 711         };
 712
 713         struct drm_plane_state state = {
 714                 .crtc = ZERO_SIZE_PTR,
 715                 .fb = &fb,
 716                 .visible = true,
 717         };
 718
 719         set_plane_src(&old_state, 0, 0, 1024 << 16, 768 << 16);
 720         set_plane_src(&state, 0, 0, 1024 << 16, 768 << 16);
 721         /* 2 damage clips, one outside plane src. */
 722         set_damage_clip(&damage[0], 1360, 1360, 1380, 1380);
 723         set_damage_clip(&damage[1], 240, 200, 280, 250);
 724         set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
 725         set_plane_damage(&state, &damage_blob);
 726         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 727         drm_atomic_for_each_plane_damage(&iter, &clip)
 728                 num_hits++;
 729
 730         FAIL(num_hits != 1, "Should return damage when set.");
 731         FAIL_ON(!check_damage_clip(&state, &clip, 240, 200, 280, 250));
 732
 733         return 0;
 734 }
 735
 736 int igt_damage_iter_damage_src_moved(void *ignored)
 737 {
 738         struct drm_atomic_helper_damage_iter iter;
 739         struct drm_plane_state old_state;
 740         struct drm_property_blob damage_blob;
 741         struct drm_mode_rect damage[2];
 742         struct drm_rect clip;
 743         uint32_t num_hits = 0;
 744
 745         struct drm_framebuffer fb = {
 746                 .width = 2048,
 747                 .height = 2048
 748         };
 749
 750         struct drm_plane_state state = {
 751                 .crtc = ZERO_SIZE_PTR,
 752                 .fb = &fb,
 753                 .visible = true,
 754         };
 755
 756         set_plane_src(&old_state, 0x40002, 0x40002,
 757                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 758         set_plane_src(&state, 0x3fffe, 0x3fffe,
 759                       0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
 760         /* 2 damage clips, one outside plane src. */
 761         set_damage_clip(&damage[0], 1360, 1360, 1380, 1380);
 762         set_damage_clip(&damage[1], 240, 200, 280, 250);
 763         set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
 764         set_plane_damage(&state, &damage_blob);
 765         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 766         drm_atomic_for_each_plane_damage(&iter, &clip)
 767                 num_hits++;
 768
 769         FAIL(num_hits != 1, "Should return round off plane src as damage.");
 770         FAIL_ON(!check_damage_clip(&state, &clip, 3, 3, 1028, 772));
 771
 772         return 0;
 773 }
 774
 775 int igt_damage_iter_damage_not_visible(void *ignored)
 776 {
 777         struct drm_atomic_helper_damage_iter iter;
 778         struct drm_plane_state old_state;
 779         struct drm_property_blob damage_blob;
 780         struct drm_mode_rect damage[2];
 781         struct drm_rect clip;
 782         uint32_t num_hits = 0;
 783
 784         struct drm_framebuffer fb = {
 785                 .width = 2048,
 786                 .height = 2048
 787         };
 788
 789         struct drm_plane_state state = {
 790                 .crtc = ZERO_SIZE_PTR,
 791                 .fb = &fb,
 792                 .visible = false,
 793         };
 794
 795         set_plane_src(&old_state, 0x40002, 0x40002,
 796                       0x40002 + (1024 << 16), 0x40002 + (768 << 16));
 797         set_plane_src(&state, 0x3fffe, 0x3fffe,
 798                       0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
 799         /* 2 damage clips, one outside plane src. */
 800         set_damage_clip(&damage[0], 1360, 1360, 1380, 1380);
 801         set_damage_clip(&damage[1], 240, 200, 280, 250);
 802         set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
 803         set_plane_damage(&state, &damage_blob);
 804         drm_atomic_helper_damage_iter_init(&iter, &old_state, &state);
 805         drm_atomic_for_each_plane_damage(&iter, &clip)
 806                 num_hits++;
 807
 808         FAIL(num_hits != 0, "Should not return any damage.");
 809
 810         return 0;
 811 }