1 /* 2 * Copyright 2013 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Dave Airlie 23 * Alon Levy 24 */ 25 26 #include <linux/crc32.h> 27 #include <linux/delay.h> 28 #include <linux/iosys-map.h> 29 30 #include <drm/drm_drv.h> 31 #include <drm/drm_atomic.h> 32 #include <drm/drm_atomic_helper.h> 33 #include <drm/drm_edid.h> 34 #include <drm/drm_gem_framebuffer_helper.h> 35 #include <drm/drm_plane_helper.h> 36 #include <drm/drm_probe_helper.h> 37 #include <drm/drm_simple_kms_helper.h> 38 #include <drm/drm_gem_atomic_helper.h> 39 40 #include "qxl_drv.h" 41 #include "qxl_object.h" 42 43 static bool qxl_head_enabled(struct qxl_head *head) 44 { 45 return head->width && head->height; 46 } 47 48 static int qxl_alloc_client_monitors_config(struct qxl_device *qdev, 49 unsigned int count) 50 { 51 if (qdev->client_monitors_config && 52 count > qdev->client_monitors_config->count) { 53 kfree(qdev->client_monitors_config); 54 qdev->client_monitors_config = NULL; 55 } 56 if (!qdev->client_monitors_config) { 57 qdev->client_monitors_config = kzalloc( 58 struct_size(qdev->client_monitors_config, 59 heads, count), GFP_KERNEL); 60 if (!qdev->client_monitors_config) 61 return -ENOMEM; 62 } 63 qdev->client_monitors_config->count = count; 64 return 0; 65 } 66 67 enum { 68 MONITORS_CONFIG_MODIFIED, 69 MONITORS_CONFIG_UNCHANGED, 70 MONITORS_CONFIG_BAD_CRC, 71 MONITORS_CONFIG_ERROR, 72 }; 73 74 static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 75 { 76 int i; 77 int num_monitors; 78 uint32_t crc; 79 int status = MONITORS_CONFIG_UNCHANGED; 80 81 num_monitors = qdev->rom->client_monitors_config.count; 82 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 83 sizeof(qdev->rom->client_monitors_config)); 84 if (crc != qdev->rom->client_monitors_config_crc) 85 return MONITORS_CONFIG_BAD_CRC; 86 if (!num_monitors) { 87 DRM_DEBUG_KMS("no client monitors configured\n"); 88 return status; 89 } 90 if (num_monitors > qxl_num_crtc) { 91 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 92 qxl_num_crtc, num_monitors); 93 num_monitors = qxl_num_crtc; 94 } else { 95 num_monitors = qdev->rom->client_monitors_config.count; 96 } 97 if (qdev->client_monitors_config 98 && (num_monitors != qdev->client_monitors_config->count)) { 99 status = MONITORS_CONFIG_MODIFIED; 100 } 101 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) { 102 status = MONITORS_CONFIG_ERROR; 103 return status; 104 } 105 /* we copy max from the client but it isn't used */ 106 qdev->client_monitors_config->max_allowed = qxl_num_crtc; 107 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 108 struct qxl_urect *c_rect = 109 &qdev->rom->client_monitors_config.heads[i]; 110 struct qxl_head *client_head = 111 &qdev->client_monitors_config->heads[i]; 112 if (client_head->x != c_rect->left) { 113 client_head->x = c_rect->left; 114 status = MONITORS_CONFIG_MODIFIED; 115 } 116 if (client_head->y != c_rect->top) { 117 client_head->y = c_rect->top; 118 status = MONITORS_CONFIG_MODIFIED; 119 } 120 if (client_head->width != c_rect->right - c_rect->left) { 121 client_head->width = c_rect->right - c_rect->left; 122 status = MONITORS_CONFIG_MODIFIED; 123 } 124 if (client_head->height != c_rect->bottom - c_rect->top) { 125 client_head->height = c_rect->bottom - c_rect->top; 126 status = MONITORS_CONFIG_MODIFIED; 127 } 128 if (client_head->surface_id != 0) { 129 client_head->surface_id = 0; 130 status = MONITORS_CONFIG_MODIFIED; 131 } 132 if (client_head->id != i) { 133 client_head->id = i; 134 status = MONITORS_CONFIG_MODIFIED; 135 } 136 if (client_head->flags != 0) { 137 client_head->flags = 0; 138 status = MONITORS_CONFIG_MODIFIED; 139 } 140 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 141 client_head->x, client_head->y); 142 } 143 144 return status; 145 } 146 147 static void qxl_update_offset_props(struct qxl_device *qdev) 148 { 149 struct drm_device *dev = &qdev->ddev; 150 struct drm_connector *connector; 151 struct qxl_output *output; 152 struct qxl_head *head; 153 154 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 155 output = drm_connector_to_qxl_output(connector); 156 157 head = &qdev->client_monitors_config->heads[output->index]; 158 159 drm_object_property_set_value(&connector->base, 160 dev->mode_config.suggested_x_property, head->x); 161 drm_object_property_set_value(&connector->base, 162 dev->mode_config.suggested_y_property, head->y); 163 } 164 } 165 166 void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 167 { 168 struct drm_device *dev = &qdev->ddev; 169 struct drm_modeset_acquire_ctx ctx; 170 int status, retries, ret; 171 172 for (retries = 0; retries < 10; retries++) { 173 status = qxl_display_copy_rom_client_monitors_config(qdev); 174 if (status != MONITORS_CONFIG_BAD_CRC) 175 break; 176 udelay(5); 177 } 178 if (status == MONITORS_CONFIG_ERROR) { 179 DRM_DEBUG_KMS("ignoring client monitors config: error"); 180 return; 181 } 182 if (status == MONITORS_CONFIG_BAD_CRC) { 183 DRM_DEBUG_KMS("ignoring client monitors config: bad crc"); 184 return; 185 } 186 if (status == MONITORS_CONFIG_UNCHANGED) { 187 DRM_DEBUG_KMS("ignoring client monitors config: unchanged"); 188 return; 189 } 190 191 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 192 qxl_update_offset_props(qdev); 193 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); 194 if (!drm_helper_hpd_irq_event(dev)) { 195 /* notify that the monitor configuration changed, to 196 adjust at the arbitrary resolution */ 197 drm_kms_helper_hotplug_event(dev); 198 } 199 } 200 201 static int qxl_check_mode(struct qxl_device *qdev, 202 unsigned int width, 203 unsigned int height) 204 { 205 unsigned int stride; 206 unsigned int size; 207 208 if (check_mul_overflow(width, 4u, &stride)) 209 return -EINVAL; 210 if (check_mul_overflow(stride, height, &size)) 211 return -EINVAL; 212 if (size > qdev->vram_size) 213 return -ENOMEM; 214 return 0; 215 } 216 217 static int qxl_check_framebuffer(struct qxl_device *qdev, 218 struct qxl_bo *bo) 219 { 220 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height); 221 } 222 223 static int qxl_add_mode(struct drm_connector *connector, 224 unsigned int width, 225 unsigned int height, 226 bool preferred) 227 { 228 struct drm_device *dev = connector->dev; 229 struct qxl_device *qdev = to_qxl(dev); 230 struct drm_display_mode *mode = NULL; 231 int rc; 232 233 rc = qxl_check_mode(qdev, width, height); 234 if (rc != 0) 235 return 0; 236 237 mode = drm_cvt_mode(dev, width, height, 60, false, false, false); 238 if (preferred) 239 mode->type |= DRM_MODE_TYPE_PREFERRED; 240 mode->hdisplay = width; 241 mode->vdisplay = height; 242 drm_mode_set_name(mode); 243 drm_mode_probed_add(connector, mode); 244 return 1; 245 } 246 247 static int qxl_add_monitors_config_modes(struct drm_connector *connector) 248 { 249 struct drm_device *dev = connector->dev; 250 struct qxl_device *qdev = to_qxl(dev); 251 struct qxl_output *output = drm_connector_to_qxl_output(connector); 252 int h = output->index; 253 struct qxl_head *head; 254 255 if (!qdev->monitors_config) 256 return 0; 257 if (h >= qxl_num_crtc) 258 return 0; 259 if (!qdev->client_monitors_config) 260 return 0; 261 if (h >= qdev->client_monitors_config->count) 262 return 0; 263 264 head = &qdev->client_monitors_config->heads[h]; 265 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); 266 267 return qxl_add_mode(connector, head->width, head->height, true); 268 } 269 270 static struct mode_size { 271 int w; 272 int h; 273 } extra_modes[] = { 274 { 720, 480}, 275 {1152, 768}, 276 {1280, 854}, 277 }; 278 279 static int qxl_add_extra_modes(struct drm_connector *connector) 280 { 281 int i, ret = 0; 282 283 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) 284 ret += qxl_add_mode(connector, 285 extra_modes[i].w, 286 extra_modes[i].h, 287 false); 288 return ret; 289 } 290 291 static void qxl_send_monitors_config(struct qxl_device *qdev) 292 { 293 int i; 294 295 BUG_ON(!qdev->ram_header->monitors_config); 296 297 if (qdev->monitors_config->count == 0) 298 return; 299 300 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 301 struct qxl_head *head = &qdev->monitors_config->heads[i]; 302 303 if (head->y > 8192 || head->x > 8192 || 304 head->width > 8192 || head->height > 8192) { 305 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 306 i, head->width, head->height, 307 head->x, head->y); 308 return; 309 } 310 } 311 qxl_io_monitors_config(qdev); 312 } 313 314 static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc, 315 const char *reason) 316 { 317 struct drm_device *dev = crtc->dev; 318 struct qxl_device *qdev = to_qxl(dev); 319 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 320 struct qxl_head head; 321 int oldcount, i = qcrtc->index; 322 323 if (!qdev->primary_bo) { 324 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason); 325 return; 326 } 327 328 if (!qdev->monitors_config || qxl_num_crtc <= i) 329 return; 330 331 head.id = i; 332 head.flags = 0; 333 head.surface_id = 0; 334 oldcount = qdev->monitors_config->count; 335 if (crtc->state->active) { 336 struct drm_display_mode *mode = &crtc->mode; 337 338 head.width = mode->hdisplay; 339 head.height = mode->vdisplay; 340 head.x = crtc->x; 341 head.y = crtc->y; 342 if (qdev->monitors_config->count < i + 1) 343 qdev->monitors_config->count = i + 1; 344 if (qdev->primary_bo == qdev->dumb_shadow_bo) 345 head.x += qdev->dumb_heads[i].x; 346 } else if (i > 0) { 347 head.width = 0; 348 head.height = 0; 349 head.x = 0; 350 head.y = 0; 351 if (qdev->monitors_config->count == i + 1) 352 qdev->monitors_config->count = i; 353 } else { 354 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason); 355 return; 356 } 357 358 if (head.width == qdev->monitors_config->heads[i].width && 359 head.height == qdev->monitors_config->heads[i].height && 360 head.x == qdev->monitors_config->heads[i].x && 361 head.y == qdev->monitors_config->heads[i].y && 362 oldcount == qdev->monitors_config->count) 363 return; 364 365 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n", 366 i, head.width, head.height, head.x, head.y, 367 crtc->state->active ? "on" : "off", reason); 368 if (oldcount != qdev->monitors_config->count) 369 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n", 370 oldcount, qdev->monitors_config->count, 371 qxl_num_crtc); 372 373 qdev->monitors_config->heads[i] = head; 374 qdev->monitors_config->max_allowed = qxl_num_crtc; 375 qxl_send_monitors_config(qdev); 376 } 377 378 static void qxl_crtc_atomic_flush(struct drm_crtc *crtc, 379 struct drm_atomic_state *state) 380 { 381 qxl_crtc_update_monitors_config(crtc, "flush"); 382 } 383 384 static void qxl_crtc_destroy(struct drm_crtc *crtc) 385 { 386 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 387 388 qxl_bo_unref(&qxl_crtc->cursor_bo); 389 drm_crtc_cleanup(crtc); 390 kfree(qxl_crtc); 391 } 392 393 static const struct drm_crtc_funcs qxl_crtc_funcs = { 394 .set_config = drm_atomic_helper_set_config, 395 .destroy = qxl_crtc_destroy, 396 .page_flip = drm_atomic_helper_page_flip, 397 .reset = drm_atomic_helper_crtc_reset, 398 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 399 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 400 }; 401 402 static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 403 struct drm_file *file_priv, 404 unsigned int flags, unsigned int color, 405 struct drm_clip_rect *clips, 406 unsigned int num_clips) 407 { 408 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 409 struct qxl_device *qdev = to_qxl(fb->dev); 410 struct drm_clip_rect norect; 411 struct qxl_bo *qobj; 412 struct drm_modeset_acquire_ctx ctx; 413 bool is_primary; 414 int inc = 1, ret; 415 416 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 417 418 qobj = gem_to_qxl_bo(fb->obj[0]); 419 /* if we aren't primary surface ignore this */ 420 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary; 421 if (!is_primary) 422 goto out_lock_end; 423 424 if (!num_clips) { 425 num_clips = 1; 426 clips = &norect; 427 norect.x1 = norect.y1 = 0; 428 norect.x2 = fb->width; 429 norect.y2 = fb->height; 430 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 431 num_clips /= 2; 432 inc = 2; /* skip source rects */ 433 } 434 435 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color, 436 clips, num_clips, inc, 0); 437 438 out_lock_end: 439 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret); 440 441 return 0; 442 } 443 444 static const struct drm_framebuffer_funcs qxl_fb_funcs = { 445 .destroy = drm_gem_fb_destroy, 446 .dirty = qxl_framebuffer_surface_dirty, 447 .create_handle = drm_gem_fb_create_handle, 448 }; 449 450 static void qxl_crtc_atomic_enable(struct drm_crtc *crtc, 451 struct drm_atomic_state *state) 452 { 453 qxl_crtc_update_monitors_config(crtc, "enable"); 454 } 455 456 static void qxl_crtc_atomic_disable(struct drm_crtc *crtc, 457 struct drm_atomic_state *state) 458 { 459 qxl_crtc_update_monitors_config(crtc, "disable"); 460 } 461 462 static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 463 .atomic_flush = qxl_crtc_atomic_flush, 464 .atomic_enable = qxl_crtc_atomic_enable, 465 .atomic_disable = qxl_crtc_atomic_disable, 466 }; 467 468 static int qxl_primary_atomic_check(struct drm_plane *plane, 469 struct drm_atomic_state *state) 470 { 471 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 472 plane); 473 struct qxl_device *qdev = to_qxl(plane->dev); 474 struct qxl_bo *bo; 475 476 if (!new_plane_state->crtc || !new_plane_state->fb) 477 return 0; 478 479 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]); 480 481 return qxl_check_framebuffer(qdev, bo); 482 } 483 484 static int qxl_primary_apply_cursor(struct qxl_device *qdev, 485 struct drm_plane_state *plane_state) 486 { 487 struct drm_framebuffer *fb = plane_state->fb; 488 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 489 struct qxl_cursor_cmd *cmd; 490 struct qxl_release *release; 491 int ret = 0; 492 493 if (!qcrtc->cursor_bo) 494 return 0; 495 496 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 497 QXL_RELEASE_CURSOR_CMD, 498 &release, NULL); 499 if (ret) 500 return ret; 501 502 ret = qxl_release_list_add(release, qcrtc->cursor_bo); 503 if (ret) 504 goto out_free_release; 505 506 ret = qxl_release_reserve_list(release, false); 507 if (ret) 508 goto out_free_release; 509 510 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 511 cmd->type = QXL_CURSOR_SET; 512 cmd->u.set.position.x = plane_state->crtc_x + fb->hot_x; 513 cmd->u.set.position.y = plane_state->crtc_y + fb->hot_y; 514 515 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0); 516 517 cmd->u.set.visible = 1; 518 qxl_release_unmap(qdev, release, &cmd->release_info); 519 520 qxl_release_fence_buffer_objects(release); 521 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 522 523 return ret; 524 525 out_free_release: 526 qxl_release_free(qdev, release); 527 return ret; 528 } 529 530 static int qxl_primary_move_cursor(struct qxl_device *qdev, 531 struct drm_plane_state *plane_state) 532 { 533 struct drm_framebuffer *fb = plane_state->fb; 534 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 535 struct qxl_cursor_cmd *cmd; 536 struct qxl_release *release; 537 int ret = 0; 538 539 if (!qcrtc->cursor_bo) 540 return 0; 541 542 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 543 QXL_RELEASE_CURSOR_CMD, 544 &release, NULL); 545 if (ret) 546 return ret; 547 548 ret = qxl_release_reserve_list(release, true); 549 if (ret) { 550 qxl_release_free(qdev, release); 551 return ret; 552 } 553 554 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 555 cmd->type = QXL_CURSOR_MOVE; 556 cmd->u.position.x = plane_state->crtc_x + fb->hot_x; 557 cmd->u.position.y = plane_state->crtc_y + fb->hot_y; 558 qxl_release_unmap(qdev, release, &cmd->release_info); 559 560 qxl_release_fence_buffer_objects(release); 561 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 562 return ret; 563 } 564 565 static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev, 566 struct qxl_bo *user_bo, 567 int hot_x, int hot_y) 568 { 569 static const u32 size = 64 * 64 * 4; 570 struct qxl_bo *cursor_bo; 571 struct iosys_map cursor_map; 572 struct iosys_map user_map; 573 struct qxl_cursor cursor; 574 int ret; 575 576 if (!user_bo) 577 return NULL; 578 579 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size, 580 false, true, QXL_GEM_DOMAIN_VRAM, 1, 581 NULL, &cursor_bo); 582 if (ret) 583 goto err; 584 585 ret = qxl_bo_vmap(cursor_bo, &cursor_map); 586 if (ret) 587 goto err_unref; 588 589 ret = qxl_bo_vmap(user_bo, &user_map); 590 if (ret) 591 goto err_unmap; 592 593 cursor.header.unique = 0; 594 cursor.header.type = SPICE_CURSOR_TYPE_ALPHA; 595 cursor.header.width = 64; 596 cursor.header.height = 64; 597 cursor.header.hot_spot_x = hot_x; 598 cursor.header.hot_spot_y = hot_y; 599 cursor.data_size = size; 600 cursor.chunk.next_chunk = 0; 601 cursor.chunk.prev_chunk = 0; 602 cursor.chunk.data_size = size; 603 if (cursor_map.is_iomem) { 604 memcpy_toio(cursor_map.vaddr_iomem, 605 &cursor, sizeof(cursor)); 606 memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor), 607 user_map.vaddr, size); 608 } else { 609 memcpy(cursor_map.vaddr, 610 &cursor, sizeof(cursor)); 611 memcpy(cursor_map.vaddr + sizeof(cursor), 612 user_map.vaddr, size); 613 } 614 615 qxl_bo_vunmap(user_bo); 616 qxl_bo_vunmap(cursor_bo); 617 return cursor_bo; 618 619 err_unmap: 620 qxl_bo_vunmap(cursor_bo); 621 err_unref: 622 qxl_bo_unpin(cursor_bo); 623 qxl_bo_unref(&cursor_bo); 624 err: 625 return NULL; 626 } 627 628 static void qxl_free_cursor(struct qxl_bo *cursor_bo) 629 { 630 if (!cursor_bo) 631 return; 632 633 qxl_bo_unpin(cursor_bo); 634 qxl_bo_unref(&cursor_bo); 635 } 636 637 static void qxl_primary_atomic_update(struct drm_plane *plane, 638 struct drm_atomic_state *state) 639 { 640 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 641 plane); 642 struct qxl_device *qdev = to_qxl(plane->dev); 643 struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]); 644 struct qxl_bo *primary; 645 struct drm_clip_rect norect = { 646 .x1 = 0, 647 .y1 = 0, 648 .x2 = new_state->fb->width, 649 .y2 = new_state->fb->height 650 }; 651 uint32_t dumb_shadow_offset = 0; 652 653 primary = bo->shadow ? bo->shadow : bo; 654 655 if (!primary->is_primary) { 656 if (qdev->primary_bo) 657 qxl_io_destroy_primary(qdev); 658 qxl_io_create_primary(qdev, primary); 659 qxl_primary_apply_cursor(qdev, plane->state); 660 } 661 662 if (bo->is_dumb) 663 dumb_shadow_offset = 664 qdev->dumb_heads[new_state->crtc->index].x; 665 666 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1, 667 dumb_shadow_offset); 668 } 669 670 static void qxl_primary_atomic_disable(struct drm_plane *plane, 671 struct drm_atomic_state *state) 672 { 673 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 674 plane); 675 struct qxl_device *qdev = to_qxl(plane->dev); 676 677 if (old_state->fb) { 678 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]); 679 680 if (bo->shadow) 681 bo = bo->shadow; 682 if (bo->is_primary) 683 qxl_io_destroy_primary(qdev); 684 } 685 } 686 687 static void qxl_cursor_atomic_update(struct drm_plane *plane, 688 struct drm_atomic_state *state) 689 { 690 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 691 plane); 692 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 693 plane); 694 struct qxl_device *qdev = to_qxl(plane->dev); 695 struct drm_framebuffer *fb = new_state->fb; 696 697 if (fb != old_state->fb) { 698 qxl_primary_apply_cursor(qdev, new_state); 699 } else { 700 qxl_primary_move_cursor(qdev, new_state); 701 } 702 } 703 704 static void qxl_cursor_atomic_disable(struct drm_plane *plane, 705 struct drm_atomic_state *state) 706 { 707 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 708 plane); 709 struct qxl_device *qdev = to_qxl(plane->dev); 710 struct qxl_crtc *qcrtc; 711 struct qxl_release *release; 712 struct qxl_cursor_cmd *cmd; 713 int ret; 714 715 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 716 QXL_RELEASE_CURSOR_CMD, 717 &release, NULL); 718 if (ret) 719 return; 720 721 ret = qxl_release_reserve_list(release, true); 722 if (ret) { 723 qxl_release_free(qdev, release); 724 return; 725 } 726 727 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 728 cmd->type = QXL_CURSOR_HIDE; 729 qxl_release_unmap(qdev, release, &cmd->release_info); 730 731 qxl_release_fence_buffer_objects(release); 732 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 733 734 qcrtc = to_qxl_crtc(old_state->crtc); 735 qxl_free_cursor(qcrtc->cursor_bo); 736 qcrtc->cursor_bo = NULL; 737 } 738 739 static void qxl_update_dumb_head(struct qxl_device *qdev, 740 int index, struct qxl_bo *bo) 741 { 742 uint32_t width, height; 743 744 if (index >= qdev->monitors_config->max_allowed) 745 return; 746 747 if (bo && bo->is_dumb) { 748 width = bo->surf.width; 749 height = bo->surf.height; 750 } else { 751 width = 0; 752 height = 0; 753 } 754 755 if (qdev->dumb_heads[index].width == width && 756 qdev->dumb_heads[index].height == height) 757 return; 758 759 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index, 760 qdev->dumb_heads[index].width, 761 qdev->dumb_heads[index].height, 762 width, height); 763 qdev->dumb_heads[index].width = width; 764 qdev->dumb_heads[index].height = height; 765 } 766 767 static void qxl_calc_dumb_shadow(struct qxl_device *qdev, 768 struct qxl_surface *surf) 769 { 770 struct qxl_head *head; 771 int i; 772 773 memset(surf, 0, sizeof(*surf)); 774 for (i = 0; i < qdev->monitors_config->max_allowed; i++) { 775 head = qdev->dumb_heads + i; 776 head->x = surf->width; 777 surf->width += head->width; 778 if (surf->height < head->height) 779 surf->height = head->height; 780 } 781 if (surf->width < 64) 782 surf->width = 64; 783 if (surf->height < 64) 784 surf->height = 64; 785 surf->format = SPICE_SURFACE_FMT_32_xRGB; 786 surf->stride = surf->width * 4; 787 788 if (!qdev->dumb_shadow_bo || 789 qdev->dumb_shadow_bo->surf.width != surf->width || 790 qdev->dumb_shadow_bo->surf.height != surf->height) 791 DRM_DEBUG("%dx%d\n", surf->width, surf->height); 792 } 793 794 static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo, 795 int crtc_index) 796 { 797 struct qxl_surface surf; 798 799 qxl_update_dumb_head(qdev, crtc_index, 800 user_bo); 801 qxl_calc_dumb_shadow(qdev, &surf); 802 if (!qdev->dumb_shadow_bo || 803 qdev->dumb_shadow_bo->surf.width != surf.width || 804 qdev->dumb_shadow_bo->surf.height != surf.height) { 805 if (qdev->dumb_shadow_bo) { 806 qxl_bo_unpin(qdev->dumb_shadow_bo); 807 drm_gem_object_put 808 (&qdev->dumb_shadow_bo->tbo.base); 809 qdev->dumb_shadow_bo = NULL; 810 } 811 qxl_bo_create(qdev, surf.height * surf.stride, 812 true, true, QXL_GEM_DOMAIN_SURFACE, 0, 813 &surf, &qdev->dumb_shadow_bo); 814 } 815 if (user_bo->shadow != qdev->dumb_shadow_bo) { 816 if (user_bo->shadow) { 817 qxl_bo_unpin(user_bo->shadow); 818 drm_gem_object_put 819 (&user_bo->shadow->tbo.base); 820 user_bo->shadow = NULL; 821 } 822 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base); 823 user_bo->shadow = qdev->dumb_shadow_bo; 824 qxl_bo_pin(user_bo->shadow); 825 } 826 } 827 828 static int qxl_plane_prepare_fb(struct drm_plane *plane, 829 struct drm_plane_state *new_state) 830 { 831 struct qxl_device *qdev = to_qxl(plane->dev); 832 struct drm_gem_object *obj; 833 struct qxl_bo *user_bo; 834 int ret; 835 836 if (!new_state->fb) 837 return 0; 838 839 obj = new_state->fb->obj[0]; 840 user_bo = gem_to_qxl_bo(obj); 841 842 if (plane->type == DRM_PLANE_TYPE_PRIMARY && 843 user_bo->is_dumb) { 844 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index); 845 } 846 847 if (plane->type == DRM_PLANE_TYPE_CURSOR && 848 plane->state->fb != new_state->fb) { 849 struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc); 850 struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo; 851 852 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo, 853 new_state->fb->hot_x, 854 new_state->fb->hot_y); 855 qxl_free_cursor(old_cursor_bo); 856 } 857 858 ret = qxl_bo_pin(user_bo); 859 if (ret) 860 return ret; 861 862 return drm_gem_plane_helper_prepare_fb(plane, new_state); 863 } 864 865 static void qxl_plane_cleanup_fb(struct drm_plane *plane, 866 struct drm_plane_state *old_state) 867 { 868 struct drm_gem_object *obj; 869 struct qxl_bo *user_bo; 870 871 if (!old_state->fb) { 872 /* 873 * we never executed prepare_fb, so there's nothing to 874 * unpin. 875 */ 876 return; 877 } 878 879 obj = old_state->fb->obj[0]; 880 user_bo = gem_to_qxl_bo(obj); 881 qxl_bo_unpin(user_bo); 882 883 if (old_state->fb != plane->state->fb && user_bo->shadow) { 884 qxl_bo_unpin(user_bo->shadow); 885 drm_gem_object_put(&user_bo->shadow->tbo.base); 886 user_bo->shadow = NULL; 887 } 888 } 889 890 static const uint32_t qxl_cursor_plane_formats[] = { 891 DRM_FORMAT_ARGB8888, 892 }; 893 894 static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = { 895 .atomic_update = qxl_cursor_atomic_update, 896 .atomic_disable = qxl_cursor_atomic_disable, 897 .prepare_fb = qxl_plane_prepare_fb, 898 .cleanup_fb = qxl_plane_cleanup_fb, 899 }; 900 901 static const struct drm_plane_funcs qxl_cursor_plane_funcs = { 902 .update_plane = drm_atomic_helper_update_plane, 903 .disable_plane = drm_atomic_helper_disable_plane, 904 .destroy = drm_primary_helper_destroy, 905 .reset = drm_atomic_helper_plane_reset, 906 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 907 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 908 }; 909 910 static const uint32_t qxl_primary_plane_formats[] = { 911 DRM_FORMAT_XRGB8888, 912 DRM_FORMAT_ARGB8888, 913 }; 914 915 static const struct drm_plane_helper_funcs primary_helper_funcs = { 916 .atomic_check = qxl_primary_atomic_check, 917 .atomic_update = qxl_primary_atomic_update, 918 .atomic_disable = qxl_primary_atomic_disable, 919 .prepare_fb = qxl_plane_prepare_fb, 920 .cleanup_fb = qxl_plane_cleanup_fb, 921 }; 922 923 static const struct drm_plane_funcs qxl_primary_plane_funcs = { 924 .update_plane = drm_atomic_helper_update_plane, 925 .disable_plane = drm_atomic_helper_disable_plane, 926 .destroy = drm_primary_helper_destroy, 927 .reset = drm_atomic_helper_plane_reset, 928 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 929 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 930 }; 931 932 static struct drm_plane *qxl_create_plane(struct qxl_device *qdev, 933 unsigned int possible_crtcs, 934 enum drm_plane_type type) 935 { 936 const struct drm_plane_helper_funcs *helper_funcs = NULL; 937 struct drm_plane *plane; 938 const struct drm_plane_funcs *funcs; 939 const uint32_t *formats; 940 int num_formats; 941 int err; 942 943 if (type == DRM_PLANE_TYPE_PRIMARY) { 944 funcs = &qxl_primary_plane_funcs; 945 formats = qxl_primary_plane_formats; 946 num_formats = ARRAY_SIZE(qxl_primary_plane_formats); 947 helper_funcs = &primary_helper_funcs; 948 } else if (type == DRM_PLANE_TYPE_CURSOR) { 949 funcs = &qxl_cursor_plane_funcs; 950 formats = qxl_cursor_plane_formats; 951 helper_funcs = &qxl_cursor_helper_funcs; 952 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats); 953 } else { 954 return ERR_PTR(-EINVAL); 955 } 956 957 plane = kzalloc(sizeof(*plane), GFP_KERNEL); 958 if (!plane) 959 return ERR_PTR(-ENOMEM); 960 961 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs, 962 funcs, formats, num_formats, 963 NULL, type, NULL); 964 if (err) 965 goto free_plane; 966 967 drm_plane_helper_add(plane, helper_funcs); 968 969 return plane; 970 971 free_plane: 972 kfree(plane); 973 return ERR_PTR(-EINVAL); 974 } 975 976 static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 977 { 978 struct qxl_crtc *qxl_crtc; 979 struct drm_plane *primary, *cursor; 980 struct qxl_device *qdev = to_qxl(dev); 981 int r; 982 983 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 984 if (!qxl_crtc) 985 return -ENOMEM; 986 987 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY); 988 if (IS_ERR(primary)) { 989 r = -ENOMEM; 990 goto free_mem; 991 } 992 993 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR); 994 if (IS_ERR(cursor)) { 995 r = -ENOMEM; 996 goto clean_primary; 997 } 998 999 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor, 1000 &qxl_crtc_funcs, NULL); 1001 if (r) 1002 goto clean_cursor; 1003 1004 qxl_crtc->index = crtc_id; 1005 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 1006 return 0; 1007 1008 clean_cursor: 1009 drm_plane_cleanup(cursor); 1010 kfree(cursor); 1011 clean_primary: 1012 drm_plane_cleanup(primary); 1013 kfree(primary); 1014 free_mem: 1015 kfree(qxl_crtc); 1016 return r; 1017 } 1018 1019 static int qxl_conn_get_modes(struct drm_connector *connector) 1020 { 1021 struct drm_device *dev = connector->dev; 1022 struct qxl_device *qdev = to_qxl(dev); 1023 struct qxl_output *output = drm_connector_to_qxl_output(connector); 1024 unsigned int pwidth = 1024; 1025 unsigned int pheight = 768; 1026 int ret = 0; 1027 1028 if (qdev->client_monitors_config) { 1029 struct qxl_head *head; 1030 head = &qdev->client_monitors_config->heads[output->index]; 1031 if (head->width) 1032 pwidth = head->width; 1033 if (head->height) 1034 pheight = head->height; 1035 } 1036 1037 ret += drm_add_modes_noedid(connector, 8192, 8192); 1038 ret += qxl_add_extra_modes(connector); 1039 ret += qxl_add_monitors_config_modes(connector); 1040 drm_set_preferred_mode(connector, pwidth, pheight); 1041 return ret; 1042 } 1043 1044 static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector, 1045 struct drm_display_mode *mode) 1046 { 1047 struct drm_device *ddev = connector->dev; 1048 struct qxl_device *qdev = to_qxl(ddev); 1049 1050 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0) 1051 return MODE_BAD; 1052 1053 return MODE_OK; 1054 } 1055 1056 static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 1057 { 1058 struct qxl_output *qxl_output = 1059 drm_connector_to_qxl_output(connector); 1060 1061 DRM_DEBUG("\n"); 1062 return &qxl_output->enc; 1063 } 1064 1065 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 1066 .get_modes = qxl_conn_get_modes, 1067 .mode_valid = qxl_conn_mode_valid, 1068 .best_encoder = qxl_best_encoder, 1069 }; 1070 1071 static enum drm_connector_status qxl_conn_detect( 1072 struct drm_connector *connector, 1073 bool force) 1074 { 1075 struct qxl_output *output = 1076 drm_connector_to_qxl_output(connector); 1077 struct drm_device *ddev = connector->dev; 1078 struct qxl_device *qdev = to_qxl(ddev); 1079 bool connected = false; 1080 1081 /* The first monitor is always connected */ 1082 if (!qdev->client_monitors_config) { 1083 if (output->index == 0) 1084 connected = true; 1085 } else 1086 connected = qdev->client_monitors_config->count > output->index && 1087 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 1088 1089 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 1090 1091 return connected ? connector_status_connected 1092 : connector_status_disconnected; 1093 } 1094 1095 static void qxl_conn_destroy(struct drm_connector *connector) 1096 { 1097 struct qxl_output *qxl_output = 1098 drm_connector_to_qxl_output(connector); 1099 1100 drm_connector_unregister(connector); 1101 drm_connector_cleanup(connector); 1102 kfree(qxl_output); 1103 } 1104 1105 static const struct drm_connector_funcs qxl_connector_funcs = { 1106 .detect = qxl_conn_detect, 1107 .fill_modes = drm_helper_probe_single_connector_modes, 1108 .destroy = qxl_conn_destroy, 1109 .reset = drm_atomic_helper_connector_reset, 1110 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1111 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1112 }; 1113 1114 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 1115 { 1116 if (qdev->hotplug_mode_update_property) 1117 return 0; 1118 1119 qdev->hotplug_mode_update_property = 1120 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 1121 "hotplug_mode_update", 0, 1); 1122 1123 return 0; 1124 } 1125 1126 static int qdev_output_init(struct drm_device *dev, int num_output) 1127 { 1128 struct qxl_device *qdev = to_qxl(dev); 1129 struct qxl_output *qxl_output; 1130 struct drm_connector *connector; 1131 struct drm_encoder *encoder; 1132 int ret; 1133 1134 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 1135 if (!qxl_output) 1136 return -ENOMEM; 1137 1138 qxl_output->index = num_output; 1139 1140 connector = &qxl_output->base; 1141 encoder = &qxl_output->enc; 1142 drm_connector_init(dev, &qxl_output->base, 1143 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1144 1145 ret = drm_simple_encoder_init(dev, &qxl_output->enc, 1146 DRM_MODE_ENCODER_VIRTUAL); 1147 if (ret) { 1148 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n", 1149 ret); 1150 goto err_drm_connector_cleanup; 1151 } 1152 1153 /* we get HPD via client monitors config */ 1154 connector->polled = DRM_CONNECTOR_POLL_HPD; 1155 encoder->possible_crtcs = 1 << num_output; 1156 drm_connector_attach_encoder(&qxl_output->base, 1157 &qxl_output->enc); 1158 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1159 1160 drm_object_attach_property(&connector->base, 1161 qdev->hotplug_mode_update_property, 0); 1162 drm_object_attach_property(&connector->base, 1163 dev->mode_config.suggested_x_property, 0); 1164 drm_object_attach_property(&connector->base, 1165 dev->mode_config.suggested_y_property, 0); 1166 return 0; 1167 1168 err_drm_connector_cleanup: 1169 drm_connector_cleanup(&qxl_output->base); 1170 kfree(qxl_output); 1171 return ret; 1172 } 1173 1174 static struct drm_framebuffer * 1175 qxl_user_framebuffer_create(struct drm_device *dev, 1176 struct drm_file *file_priv, 1177 const struct drm_mode_fb_cmd2 *mode_cmd) 1178 { 1179 return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd, 1180 &qxl_fb_funcs); 1181 } 1182 1183 static const struct drm_mode_config_funcs qxl_mode_funcs = { 1184 .fb_create = qxl_user_framebuffer_create, 1185 .atomic_check = drm_atomic_helper_check, 1186 .atomic_commit = drm_atomic_helper_commit, 1187 }; 1188 1189 int qxl_create_monitors_object(struct qxl_device *qdev) 1190 { 1191 int ret; 1192 struct drm_gem_object *gobj; 1193 struct iosys_map map; 1194 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1195 qxl_num_crtc * sizeof(struct qxl_head); 1196 1197 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1198 QXL_GEM_DOMAIN_VRAM, 1199 false, false, NULL, &gobj); 1200 if (ret) { 1201 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1202 return -ENOMEM; 1203 } 1204 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1205 1206 ret = qxl_bo_vmap(qdev->monitors_config_bo, &map); 1207 if (ret) 1208 return ret; 1209 1210 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1211 qdev->ram_header->monitors_config = 1212 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1213 1214 memset(qdev->monitors_config, 0, monitors_config_size); 1215 qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]), 1216 GFP_KERNEL); 1217 if (!qdev->dumb_heads) { 1218 qxl_destroy_monitors_object(qdev); 1219 return -ENOMEM; 1220 } 1221 return 0; 1222 } 1223 1224 int qxl_destroy_monitors_object(struct qxl_device *qdev) 1225 { 1226 int ret; 1227 1228 if (!qdev->monitors_config_bo) 1229 return 0; 1230 1231 qdev->monitors_config = NULL; 1232 qdev->ram_header->monitors_config = 0; 1233 1234 ret = qxl_bo_vunmap(qdev->monitors_config_bo); 1235 if (ret) 1236 return ret; 1237 1238 qxl_bo_unref(&qdev->monitors_config_bo); 1239 return 0; 1240 } 1241 1242 int qxl_modeset_init(struct qxl_device *qdev) 1243 { 1244 int i; 1245 int ret; 1246 1247 ret = drmm_mode_config_init(&qdev->ddev); 1248 if (ret) 1249 return ret; 1250 1251 ret = qxl_create_monitors_object(qdev); 1252 if (ret) 1253 return ret; 1254 1255 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs; 1256 1257 /* modes will be validated against the framebuffer size */ 1258 qdev->ddev.mode_config.min_width = 0; 1259 qdev->ddev.mode_config.min_height = 0; 1260 qdev->ddev.mode_config.max_width = 8192; 1261 qdev->ddev.mode_config.max_height = 8192; 1262 1263 qdev->ddev.mode_config.fb_base = qdev->vram_base; 1264 1265 drm_mode_create_suggested_offset_properties(&qdev->ddev); 1266 qxl_mode_create_hotplug_mode_update_property(qdev); 1267 1268 for (i = 0 ; i < qxl_num_crtc; ++i) { 1269 qdev_crtc_init(&qdev->ddev, i); 1270 qdev_output_init(&qdev->ddev, i); 1271 } 1272 1273 qxl_display_read_client_monitors_config(qdev); 1274 1275 drm_mode_config_reset(&qdev->ddev); 1276 return 0; 1277 } 1278 1279 void qxl_modeset_fini(struct qxl_device *qdev) 1280 { 1281 if (qdev->dumb_shadow_bo) { 1282 qxl_bo_unpin(qdev->dumb_shadow_bo); 1283 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base); 1284 qdev->dumb_shadow_bo = NULL; 1285 } 1286 qxl_destroy_monitors_object(qdev); 1287 } 1288