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 27#include <linux/crc32.h> 28 29#include "qxl_drv.h" 30#include "qxl_object.h" 31#include "drm_crtc_helper.h" 32#include <drm/drm_plane_helper.h> 33 34static bool qxl_head_enabled(struct qxl_head *head) 35{ 36 return head->width && head->height; 37} 38 39void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) 40{ 41 if (qdev->client_monitors_config && 42 count > qdev->client_monitors_config->count) { 43 kfree(qdev->client_monitors_config); 44 qdev->client_monitors_config = NULL; 45 } 46 if (!qdev->client_monitors_config) { 47 qdev->client_monitors_config = kzalloc( 48 sizeof(struct qxl_monitors_config) + 49 sizeof(struct qxl_head) * count, GFP_KERNEL); 50 if (!qdev->client_monitors_config) { 51 qxl_io_log(qdev, 52 "%s: allocation failure for %u heads\n", 53 __func__, count); 54 return; 55 } 56 } 57 qdev->client_monitors_config->count = count; 58} 59 60static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 61{ 62 int i; 63 int num_monitors; 64 uint32_t crc; 65 66 num_monitors = qdev->rom->client_monitors_config.count; 67 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 68 sizeof(qdev->rom->client_monitors_config)); 69 if (crc != qdev->rom->client_monitors_config_crc) { 70 qxl_io_log(qdev, "crc mismatch: have %X (%d) != %X\n", crc, 71 sizeof(qdev->rom->client_monitors_config), 72 qdev->rom->client_monitors_config_crc); 73 return 1; 74 } 75 if (num_monitors > qdev->monitors_config->max_allowed) { 76 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 77 qdev->monitors_config->max_allowed, num_monitors); 78 num_monitors = qdev->monitors_config->max_allowed; 79 } else { 80 num_monitors = qdev->rom->client_monitors_config.count; 81 } 82 qxl_alloc_client_monitors_config(qdev, num_monitors); 83 /* we copy max from the client but it isn't used */ 84 qdev->client_monitors_config->max_allowed = 85 qdev->monitors_config->max_allowed; 86 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 87 struct qxl_urect *c_rect = 88 &qdev->rom->client_monitors_config.heads[i]; 89 struct qxl_head *client_head = 90 &qdev->client_monitors_config->heads[i]; 91 client_head->x = c_rect->left; 92 client_head->y = c_rect->top; 93 client_head->width = c_rect->right - c_rect->left; 94 client_head->height = c_rect->bottom - c_rect->top; 95 client_head->surface_id = 0; 96 client_head->id = i; 97 client_head->flags = 0; 98 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 99 client_head->x, client_head->y); 100 } 101 return 0; 102} 103 104static void qxl_update_offset_props(struct qxl_device *qdev) 105{ 106 struct drm_device *dev = qdev->ddev; 107 struct drm_connector *connector; 108 struct qxl_output *output; 109 struct qxl_head *head; 110 111 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 112 output = drm_connector_to_qxl_output(connector); 113 114 head = &qdev->client_monitors_config->heads[output->index]; 115 116 drm_object_property_set_value(&connector->base, 117 dev->mode_config.suggested_x_property, head->x); 118 drm_object_property_set_value(&connector->base, 119 dev->mode_config.suggested_y_property, head->y); 120 } 121} 122 123void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 124{ 125 126 struct drm_device *dev = qdev->ddev; 127 while (qxl_display_copy_rom_client_monitors_config(qdev)) { 128 qxl_io_log(qdev, "failed crc check for client_monitors_config," 129 " retrying\n"); 130 } 131 132 drm_modeset_lock_all(dev); 133 qxl_update_offset_props(qdev); 134 drm_modeset_unlock_all(dev); 135 if (!drm_helper_hpd_irq_event(qdev->ddev)) { 136 /* notify that the monitor configuration changed, to 137 adjust at the arbitrary resolution */ 138 drm_kms_helper_hotplug_event(qdev->ddev); 139 } 140} 141 142static int qxl_add_monitors_config_modes(struct drm_connector *connector, 143 unsigned *pwidth, 144 unsigned *pheight) 145{ 146 struct drm_device *dev = connector->dev; 147 struct qxl_device *qdev = dev->dev_private; 148 struct qxl_output *output = drm_connector_to_qxl_output(connector); 149 int h = output->index; 150 struct drm_display_mode *mode = NULL; 151 struct qxl_head *head; 152 153 if (!qdev->client_monitors_config) 154 return 0; 155 head = &qdev->client_monitors_config->heads[h]; 156 157 mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, 158 false); 159 mode->type |= DRM_MODE_TYPE_PREFERRED; 160 *pwidth = head->width; 161 *pheight = head->height; 162 drm_mode_probed_add(connector, mode); 163 /* remember the last custom size for mode validation */ 164 qdev->monitors_config_width = mode->hdisplay; 165 qdev->monitors_config_height = mode->vdisplay; 166 return 1; 167} 168 169static struct mode_size { 170 int w; 171 int h; 172} common_modes[] = { 173 { 640, 480}, 174 { 720, 480}, 175 { 800, 600}, 176 { 848, 480}, 177 {1024, 768}, 178 {1152, 768}, 179 {1280, 720}, 180 {1280, 800}, 181 {1280, 854}, 182 {1280, 960}, 183 {1280, 1024}, 184 {1440, 900}, 185 {1400, 1050}, 186 {1680, 1050}, 187 {1600, 1200}, 188 {1920, 1080}, 189 {1920, 1200} 190}; 191 192static int qxl_add_common_modes(struct drm_connector *connector, 193 unsigned pwidth, 194 unsigned pheight) 195{ 196 struct drm_device *dev = connector->dev; 197 struct drm_display_mode *mode = NULL; 198 int i; 199 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 200 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 201 60, false, false, false); 202 if (common_modes[i].w == pwidth && common_modes[i].h == pheight) 203 mode->type |= DRM_MODE_TYPE_PREFERRED; 204 drm_mode_probed_add(connector, mode); 205 } 206 return i - 1; 207} 208 209static void qxl_crtc_destroy(struct drm_crtc *crtc) 210{ 211 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 212 213 drm_crtc_cleanup(crtc); 214 kfree(qxl_crtc); 215} 216 217static int qxl_crtc_page_flip(struct drm_crtc *crtc, 218 struct drm_framebuffer *fb, 219 struct drm_pending_vblank_event *event, 220 uint32_t page_flip_flags) 221{ 222 struct drm_device *dev = crtc->dev; 223 struct qxl_device *qdev = dev->dev_private; 224 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 225 struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb); 226 struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); 227 struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); 228 struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj); 229 unsigned long flags; 230 struct drm_clip_rect norect = { 231 .x1 = 0, 232 .y1 = 0, 233 .x2 = fb->width, 234 .y2 = fb->height 235 }; 236 int inc = 1; 237 int one_clip_rect = 1; 238 int ret = 0; 239 240 crtc->primary->fb = fb; 241 bo_old->is_primary = false; 242 bo->is_primary = true; 243 244 ret = qxl_bo_reserve(bo, false); 245 if (ret) 246 return ret; 247 248 qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, 249 &norect, one_clip_rect, inc); 250 251 drm_vblank_get(dev, qcrtc->index); 252 253 if (event) { 254 spin_lock_irqsave(&dev->event_lock, flags); 255 drm_send_vblank_event(dev, qcrtc->index, event); 256 spin_unlock_irqrestore(&dev->event_lock, flags); 257 } 258 drm_vblank_put(dev, qcrtc->index); 259 260 qxl_bo_unreserve(bo); 261 262 return 0; 263} 264 265static int 266qxl_hide_cursor(struct qxl_device *qdev) 267{ 268 struct qxl_release *release; 269 struct qxl_cursor_cmd *cmd; 270 int ret; 271 272 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 273 &release, NULL); 274 if (ret) 275 return ret; 276 277 ret = qxl_release_reserve_list(release, true); 278 if (ret) { 279 qxl_release_free(qdev, release); 280 return ret; 281 } 282 283 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 284 cmd->type = QXL_CURSOR_HIDE; 285 qxl_release_unmap(qdev, release, &cmd->release_info); 286 287 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 288 qxl_release_fence_buffer_objects(release); 289 return 0; 290} 291 292static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, 293 struct drm_file *file_priv, 294 uint32_t handle, 295 uint32_t width, 296 uint32_t height, int32_t hot_x, int32_t hot_y) 297{ 298 struct drm_device *dev = crtc->dev; 299 struct qxl_device *qdev = dev->dev_private; 300 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 301 struct drm_gem_object *obj; 302 struct qxl_cursor *cursor; 303 struct qxl_cursor_cmd *cmd; 304 struct qxl_bo *cursor_bo, *user_bo; 305 struct qxl_release *release; 306 void *user_ptr; 307 308 int size = 64*64*4; 309 int ret = 0; 310 if (!handle) 311 return qxl_hide_cursor(qdev); 312 313 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); 314 if (!obj) { 315 DRM_ERROR("cannot find cursor object\n"); 316 return -ENOENT; 317 } 318 319 user_bo = gem_to_qxl_bo(obj); 320 321 ret = qxl_bo_reserve(user_bo, false); 322 if (ret) 323 goto out_unref; 324 325 ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); 326 qxl_bo_unreserve(user_bo); 327 if (ret) 328 goto out_unref; 329 330 ret = qxl_bo_kmap(user_bo, &user_ptr); 331 if (ret) 332 goto out_unpin; 333 334 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 335 QXL_RELEASE_CURSOR_CMD, 336 &release, NULL); 337 if (ret) 338 goto out_kunmap; 339 340 ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, 341 &cursor_bo); 342 if (ret) 343 goto out_free_release; 344 345 ret = qxl_release_reserve_list(release, false); 346 if (ret) 347 goto out_free_bo; 348 349 ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); 350 if (ret) 351 goto out_backoff; 352 353 cursor->header.unique = 0; 354 cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; 355 cursor->header.width = 64; 356 cursor->header.height = 64; 357 cursor->header.hot_spot_x = hot_x; 358 cursor->header.hot_spot_y = hot_y; 359 cursor->data_size = size; 360 cursor->chunk.next_chunk = 0; 361 cursor->chunk.prev_chunk = 0; 362 cursor->chunk.data_size = size; 363 364 memcpy(cursor->chunk.data, user_ptr, size); 365 366 qxl_bo_kunmap(cursor_bo); 367 368 qxl_bo_kunmap(user_bo); 369 370 qcrtc->cur_x += qcrtc->hot_spot_x - hot_x; 371 qcrtc->cur_y += qcrtc->hot_spot_y - hot_y; 372 qcrtc->hot_spot_x = hot_x; 373 qcrtc->hot_spot_y = hot_y; 374 375 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 376 cmd->type = QXL_CURSOR_SET; 377 cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 378 cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 379 380 cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); 381 382 cmd->u.set.visible = 1; 383 qxl_release_unmap(qdev, release, &cmd->release_info); 384 385 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 386 qxl_release_fence_buffer_objects(release); 387 388 /* finish with the userspace bo */ 389 ret = qxl_bo_reserve(user_bo, false); 390 if (!ret) { 391 qxl_bo_unpin(user_bo); 392 qxl_bo_unreserve(user_bo); 393 } 394 drm_gem_object_unreference_unlocked(obj); 395 396 qxl_bo_unref(&cursor_bo); 397 398 return ret; 399 400out_backoff: 401 qxl_release_backoff_reserve_list(release); 402out_free_bo: 403 qxl_bo_unref(&cursor_bo); 404out_free_release: 405 qxl_release_free(qdev, release); 406out_kunmap: 407 qxl_bo_kunmap(user_bo); 408out_unpin: 409 qxl_bo_unpin(user_bo); 410out_unref: 411 drm_gem_object_unreference_unlocked(obj); 412 return ret; 413} 414 415static int qxl_crtc_cursor_move(struct drm_crtc *crtc, 416 int x, int y) 417{ 418 struct drm_device *dev = crtc->dev; 419 struct qxl_device *qdev = dev->dev_private; 420 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 421 struct qxl_release *release; 422 struct qxl_cursor_cmd *cmd; 423 int ret; 424 425 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, 426 &release, NULL); 427 if (ret) 428 return ret; 429 430 ret = qxl_release_reserve_list(release, true); 431 if (ret) { 432 qxl_release_free(qdev, release); 433 return ret; 434 } 435 436 qcrtc->cur_x = x; 437 qcrtc->cur_y = y; 438 439 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 440 cmd->type = QXL_CURSOR_MOVE; 441 cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; 442 cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; 443 qxl_release_unmap(qdev, release, &cmd->release_info); 444 445 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 446 qxl_release_fence_buffer_objects(release); 447 448 return 0; 449} 450 451 452static const struct drm_crtc_funcs qxl_crtc_funcs = { 453 .cursor_set2 = qxl_crtc_cursor_set2, 454 .cursor_move = qxl_crtc_cursor_move, 455 .set_config = drm_crtc_helper_set_config, 456 .destroy = qxl_crtc_destroy, 457 .page_flip = qxl_crtc_page_flip, 458}; 459 460static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) 461{ 462 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 463 464 if (qxl_fb->obj) 465 drm_gem_object_unreference_unlocked(qxl_fb->obj); 466 drm_framebuffer_cleanup(fb); 467 kfree(qxl_fb); 468} 469 470static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 471 struct drm_file *file_priv, 472 unsigned flags, unsigned color, 473 struct drm_clip_rect *clips, 474 unsigned num_clips) 475{ 476 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 477 struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); 478 struct qxl_device *qdev = qxl_fb->base.dev->dev_private; 479 struct drm_clip_rect norect; 480 struct qxl_bo *qobj; 481 int inc = 1; 482 483 drm_modeset_lock_all(fb->dev); 484 485 qobj = gem_to_qxl_bo(qxl_fb->obj); 486 /* if we aren't primary surface ignore this */ 487 if (!qobj->is_primary) { 488 drm_modeset_unlock_all(fb->dev); 489 return 0; 490 } 491 492 if (!num_clips) { 493 num_clips = 1; 494 clips = &norect; 495 norect.x1 = norect.y1 = 0; 496 norect.x2 = fb->width; 497 norect.y2 = fb->height; 498 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 499 num_clips /= 2; 500 inc = 2; /* skip source rects */ 501 } 502 503 qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, 504 clips, num_clips, inc); 505 506 drm_modeset_unlock_all(fb->dev); 507 508 return 0; 509} 510 511static const struct drm_framebuffer_funcs qxl_fb_funcs = { 512 .destroy = qxl_user_framebuffer_destroy, 513 .dirty = qxl_framebuffer_surface_dirty, 514/* TODO? 515 * .create_handle = qxl_user_framebuffer_create_handle, */ 516}; 517 518int 519qxl_framebuffer_init(struct drm_device *dev, 520 struct qxl_framebuffer *qfb, 521 struct drm_mode_fb_cmd2 *mode_cmd, 522 struct drm_gem_object *obj) 523{ 524 int ret; 525 526 qfb->obj = obj; 527 ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); 528 if (ret) { 529 qfb->obj = NULL; 530 return ret; 531 } 532 drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); 533 return 0; 534} 535 536static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) 537{ 538} 539 540static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, 541 const struct drm_display_mode *mode, 542 struct drm_display_mode *adjusted_mode) 543{ 544 struct drm_device *dev = crtc->dev; 545 struct qxl_device *qdev = dev->dev_private; 546 547 qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", 548 __func__, 549 mode->hdisplay, mode->vdisplay, 550 adjusted_mode->hdisplay, 551 adjusted_mode->vdisplay); 552 return true; 553} 554 555void 556qxl_send_monitors_config(struct qxl_device *qdev) 557{ 558 int i; 559 560 BUG_ON(!qdev->ram_header->monitors_config); 561 562 if (qdev->monitors_config->count == 0) { 563 qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); 564 return; 565 } 566 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 567 struct qxl_head *head = &qdev->monitors_config->heads[i]; 568 569 if (head->y > 8192 || head->x > 8192 || 570 head->width > 8192 || head->height > 8192) { 571 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 572 i, head->width, head->height, 573 head->x, head->y); 574 return; 575 } 576 } 577 qxl_io_monitors_config(qdev); 578} 579 580static void qxl_monitors_config_set(struct qxl_device *qdev, 581 int index, 582 unsigned x, unsigned y, 583 unsigned width, unsigned height, 584 unsigned surf_id) 585{ 586 DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y); 587 qdev->monitors_config->heads[index].x = x; 588 qdev->monitors_config->heads[index].y = y; 589 qdev->monitors_config->heads[index].width = width; 590 qdev->monitors_config->heads[index].height = height; 591 qdev->monitors_config->heads[index].surface_id = surf_id; 592 593} 594 595static int qxl_crtc_mode_set(struct drm_crtc *crtc, 596 struct drm_display_mode *mode, 597 struct drm_display_mode *adjusted_mode, 598 int x, int y, 599 struct drm_framebuffer *old_fb) 600{ 601 struct drm_device *dev = crtc->dev; 602 struct qxl_device *qdev = dev->dev_private; 603 struct qxl_framebuffer *qfb; 604 struct qxl_bo *bo, *old_bo = NULL; 605 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 606 bool recreate_primary = false; 607 int ret; 608 int surf_id; 609 if (!crtc->primary->fb) { 610 DRM_DEBUG_KMS("No FB bound\n"); 611 return 0; 612 } 613 614 if (old_fb) { 615 qfb = to_qxl_framebuffer(old_fb); 616 old_bo = gem_to_qxl_bo(qfb->obj); 617 } 618 qfb = to_qxl_framebuffer(crtc->primary->fb); 619 bo = gem_to_qxl_bo(qfb->obj); 620 DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", 621 x, y, 622 mode->hdisplay, mode->vdisplay, 623 adjusted_mode->hdisplay, 624 adjusted_mode->vdisplay); 625 626 if (bo->is_primary == false) 627 recreate_primary = true; 628 629 if (bo->surf.stride * bo->surf.height > qdev->vram_size) { 630 DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); 631 return -EINVAL; 632 } 633 634 ret = qxl_bo_reserve(bo, false); 635 if (ret != 0) 636 return ret; 637 ret = qxl_bo_pin(bo, bo->type, NULL); 638 if (ret != 0) { 639 qxl_bo_unreserve(bo); 640 return -EINVAL; 641 } 642 qxl_bo_unreserve(bo); 643 if (recreate_primary) { 644 qxl_io_destroy_primary(qdev); 645 qxl_io_log(qdev, 646 "recreate primary: %dx%d,%d,%d\n", 647 bo->surf.width, bo->surf.height, 648 bo->surf.stride, bo->surf.format); 649 qxl_io_create_primary(qdev, 0, bo); 650 bo->is_primary = true; 651 } 652 653 if (bo->is_primary) { 654 DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index); 655 surf_id = 0; 656 } else { 657 surf_id = bo->surface_id; 658 } 659 660 if (old_bo && old_bo != bo) { 661 old_bo->is_primary = false; 662 ret = qxl_bo_reserve(old_bo, false); 663 qxl_bo_unpin(old_bo); 664 qxl_bo_unreserve(old_bo); 665 } 666 667 qxl_monitors_config_set(qdev, qcrtc->index, x, y, 668 mode->hdisplay, 669 mode->vdisplay, surf_id); 670 return 0; 671} 672 673static void qxl_crtc_prepare(struct drm_crtc *crtc) 674{ 675 DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", 676 crtc->mode.hdisplay, crtc->mode.vdisplay, 677 crtc->x, crtc->y, crtc->enabled); 678} 679 680static void qxl_crtc_commit(struct drm_crtc *crtc) 681{ 682 DRM_DEBUG("\n"); 683} 684 685static void qxl_crtc_disable(struct drm_crtc *crtc) 686{ 687 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 688 struct drm_device *dev = crtc->dev; 689 struct qxl_device *qdev = dev->dev_private; 690 if (crtc->primary->fb) { 691 struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb); 692 struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj); 693 int ret; 694 ret = qxl_bo_reserve(bo, false); 695 qxl_bo_unpin(bo); 696 qxl_bo_unreserve(bo); 697 crtc->primary->fb = NULL; 698 } 699 700 qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0); 701 702 qxl_send_monitors_config(qdev); 703} 704 705static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 706 .dpms = qxl_crtc_dpms, 707 .disable = qxl_crtc_disable, 708 .mode_fixup = qxl_crtc_mode_fixup, 709 .mode_set = qxl_crtc_mode_set, 710 .prepare = qxl_crtc_prepare, 711 .commit = qxl_crtc_commit, 712}; 713 714static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 715{ 716 struct qxl_crtc *qxl_crtc; 717 718 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 719 if (!qxl_crtc) 720 return -ENOMEM; 721 722 drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); 723 qxl_crtc->index = crtc_id; 724 drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); 725 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 726 return 0; 727} 728 729static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) 730{ 731 DRM_DEBUG("\n"); 732} 733 734static bool qxl_enc_mode_fixup(struct drm_encoder *encoder, 735 const struct drm_display_mode *mode, 736 struct drm_display_mode *adjusted_mode) 737{ 738 DRM_DEBUG("\n"); 739 return true; 740} 741 742static void qxl_enc_prepare(struct drm_encoder *encoder) 743{ 744 DRM_DEBUG("\n"); 745} 746 747static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, 748 struct drm_encoder *encoder) 749{ 750 int i; 751 struct qxl_output *output = drm_encoder_to_qxl_output(encoder); 752 struct qxl_head *head; 753 struct drm_display_mode *mode; 754 755 BUG_ON(!encoder); 756 /* TODO: ugly, do better */ 757 i = output->index; 758 if (!qdev->monitors_config || 759 qdev->monitors_config->max_allowed <= i) { 760 DRM_ERROR( 761 "head number too large or missing monitors config: %p, %d", 762 qdev->monitors_config, 763 qdev->monitors_config ? 764 qdev->monitors_config->max_allowed : -1); 765 return; 766 } 767 if (!encoder->crtc) { 768 DRM_ERROR("missing crtc on encoder %p\n", encoder); 769 return; 770 } 771 if (i != 0) 772 DRM_DEBUG("missing for multiple monitors: no head holes\n"); 773 head = &qdev->monitors_config->heads[i]; 774 head->id = i; 775 if (encoder->crtc->enabled) { 776 mode = &encoder->crtc->mode; 777 head->width = mode->hdisplay; 778 head->height = mode->vdisplay; 779 head->x = encoder->crtc->x; 780 head->y = encoder->crtc->y; 781 if (qdev->monitors_config->count < i + 1) 782 qdev->monitors_config->count = i + 1; 783 } else { 784 head->width = 0; 785 head->height = 0; 786 head->x = 0; 787 head->y = 0; 788 } 789 DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n", 790 i, head->x, head->y, head->width, head->height, qdev->monitors_config->count); 791 head->flags = 0; 792 /* TODO - somewhere else to call this for multiple monitors 793 * (config_commit?) */ 794 qxl_send_monitors_config(qdev); 795} 796 797static void qxl_enc_commit(struct drm_encoder *encoder) 798{ 799 struct qxl_device *qdev = encoder->dev->dev_private; 800 801 qxl_write_monitors_config_for_encoder(qdev, encoder); 802 DRM_DEBUG("\n"); 803} 804 805static void qxl_enc_mode_set(struct drm_encoder *encoder, 806 struct drm_display_mode *mode, 807 struct drm_display_mode *adjusted_mode) 808{ 809 DRM_DEBUG("\n"); 810} 811 812static int qxl_conn_get_modes(struct drm_connector *connector) 813{ 814 int ret = 0; 815 struct qxl_device *qdev = connector->dev->dev_private; 816 unsigned pwidth = 1024; 817 unsigned pheight = 768; 818 819 DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); 820 /* TODO: what should we do here? only show the configured modes for the 821 * device, or allow the full list, or both? */ 822 if (qdev->monitors_config && qdev->monitors_config->count) { 823 ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight); 824 if (ret < 0) 825 return ret; 826 } 827 ret += qxl_add_common_modes(connector, pwidth, pheight); 828 return ret; 829} 830 831static int qxl_conn_mode_valid(struct drm_connector *connector, 832 struct drm_display_mode *mode) 833{ 834 struct drm_device *ddev = connector->dev; 835 struct qxl_device *qdev = ddev->dev_private; 836 int i; 837 838 /* TODO: is this called for user defined modes? (xrandr --add-mode) 839 * TODO: check that the mode fits in the framebuffer */ 840 841 if(qdev->monitors_config_width == mode->hdisplay && 842 qdev->monitors_config_height == mode->vdisplay) 843 return MODE_OK; 844 845 for (i = 0; i < ARRAY_SIZE(common_modes); i++) { 846 if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay) 847 return MODE_OK; 848 } 849 return MODE_BAD; 850} 851 852static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 853{ 854 struct qxl_output *qxl_output = 855 drm_connector_to_qxl_output(connector); 856 857 DRM_DEBUG("\n"); 858 return &qxl_output->enc; 859} 860 861 862static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { 863 .dpms = qxl_enc_dpms, 864 .mode_fixup = qxl_enc_mode_fixup, 865 .prepare = qxl_enc_prepare, 866 .mode_set = qxl_enc_mode_set, 867 .commit = qxl_enc_commit, 868}; 869 870static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 871 .get_modes = qxl_conn_get_modes, 872 .mode_valid = qxl_conn_mode_valid, 873 .best_encoder = qxl_best_encoder, 874}; 875 876static void qxl_conn_save(struct drm_connector *connector) 877{ 878 DRM_DEBUG("\n"); 879} 880 881static void qxl_conn_restore(struct drm_connector *connector) 882{ 883 DRM_DEBUG("\n"); 884} 885 886static enum drm_connector_status qxl_conn_detect( 887 struct drm_connector *connector, 888 bool force) 889{ 890 struct qxl_output *output = 891 drm_connector_to_qxl_output(connector); 892 struct drm_device *ddev = connector->dev; 893 struct qxl_device *qdev = ddev->dev_private; 894 bool connected = false; 895 896 /* The first monitor is always connected */ 897 if (!qdev->client_monitors_config) { 898 if (output->index == 0) 899 connected = true; 900 } else 901 connected = qdev->client_monitors_config->count > output->index && 902 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 903 904 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 905 if (!connected) 906 qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0); 907 908 return connected ? connector_status_connected 909 : connector_status_disconnected; 910} 911 912static int qxl_conn_set_property(struct drm_connector *connector, 913 struct drm_property *property, 914 uint64_t value) 915{ 916 DRM_DEBUG("\n"); 917 return 0; 918} 919 920static void qxl_conn_destroy(struct drm_connector *connector) 921{ 922 struct qxl_output *qxl_output = 923 drm_connector_to_qxl_output(connector); 924 925 drm_connector_unregister(connector); 926 drm_connector_cleanup(connector); 927 kfree(qxl_output); 928} 929 930static const struct drm_connector_funcs qxl_connector_funcs = { 931 .dpms = drm_helper_connector_dpms, 932 .save = qxl_conn_save, 933 .restore = qxl_conn_restore, 934 .detect = qxl_conn_detect, 935 .fill_modes = drm_helper_probe_single_connector_modes_nomerge, 936 .set_property = qxl_conn_set_property, 937 .destroy = qxl_conn_destroy, 938}; 939 940static void qxl_enc_destroy(struct drm_encoder *encoder) 941{ 942 drm_encoder_cleanup(encoder); 943} 944 945static const struct drm_encoder_funcs qxl_enc_funcs = { 946 .destroy = qxl_enc_destroy, 947}; 948 949static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 950{ 951 if (qdev->hotplug_mode_update_property) 952 return 0; 953 954 qdev->hotplug_mode_update_property = 955 drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 956 "hotplug_mode_update", 0, 1); 957 958 return 0; 959} 960 961static int qdev_output_init(struct drm_device *dev, int num_output) 962{ 963 struct qxl_device *qdev = dev->dev_private; 964 struct qxl_output *qxl_output; 965 struct drm_connector *connector; 966 struct drm_encoder *encoder; 967 968 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 969 if (!qxl_output) 970 return -ENOMEM; 971 972 qxl_output->index = num_output; 973 974 connector = &qxl_output->base; 975 encoder = &qxl_output->enc; 976 drm_connector_init(dev, &qxl_output->base, 977 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 978 979 drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, 980 DRM_MODE_ENCODER_VIRTUAL); 981 982 /* we get HPD via client monitors config */ 983 connector->polled = DRM_CONNECTOR_POLL_HPD; 984 encoder->possible_crtcs = 1 << num_output; 985 drm_mode_connector_attach_encoder(&qxl_output->base, 986 &qxl_output->enc); 987 drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); 988 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 989 990 drm_object_attach_property(&connector->base, 991 qdev->hotplug_mode_update_property, 0); 992 drm_object_attach_property(&connector->base, 993 dev->mode_config.suggested_x_property, 0); 994 drm_object_attach_property(&connector->base, 995 dev->mode_config.suggested_y_property, 0); 996 drm_connector_register(connector); 997 return 0; 998} 999 1000static struct drm_framebuffer * 1001qxl_user_framebuffer_create(struct drm_device *dev, 1002 struct drm_file *file_priv, 1003 struct drm_mode_fb_cmd2 *mode_cmd) 1004{ 1005 struct drm_gem_object *obj; 1006 struct qxl_framebuffer *qxl_fb; 1007 int ret; 1008 1009 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 1010 1011 qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); 1012 if (qxl_fb == NULL) 1013 return NULL; 1014 1015 ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); 1016 if (ret) { 1017 kfree(qxl_fb); 1018 drm_gem_object_unreference_unlocked(obj); 1019 return NULL; 1020 } 1021 1022 return &qxl_fb->base; 1023} 1024 1025static const struct drm_mode_config_funcs qxl_mode_funcs = { 1026 .fb_create = qxl_user_framebuffer_create, 1027}; 1028 1029int qxl_create_monitors_object(struct qxl_device *qdev) 1030{ 1031 int ret; 1032 struct drm_gem_object *gobj; 1033 int max_allowed = qxl_num_crtc; 1034 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1035 max_allowed * sizeof(struct qxl_head); 1036 1037 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1038 QXL_GEM_DOMAIN_VRAM, 1039 false, false, NULL, &gobj); 1040 if (ret) { 1041 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1042 return -ENOMEM; 1043 } 1044 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1045 1046 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1047 if (ret) 1048 return ret; 1049 1050 ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL); 1051 if (ret) { 1052 qxl_bo_unreserve(qdev->monitors_config_bo); 1053 return ret; 1054 } 1055 1056 qxl_bo_unreserve(qdev->monitors_config_bo); 1057 1058 qxl_bo_kmap(qdev->monitors_config_bo, NULL); 1059 1060 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1061 qdev->ram_header->monitors_config = 1062 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1063 1064 memset(qdev->monitors_config, 0, monitors_config_size); 1065 qdev->monitors_config->max_allowed = max_allowed; 1066 return 0; 1067} 1068 1069int qxl_destroy_monitors_object(struct qxl_device *qdev) 1070{ 1071 int ret; 1072 1073 qdev->monitors_config = NULL; 1074 qdev->ram_header->monitors_config = 0; 1075 1076 qxl_bo_kunmap(qdev->monitors_config_bo); 1077 ret = qxl_bo_reserve(qdev->monitors_config_bo, false); 1078 if (ret) 1079 return ret; 1080 1081 qxl_bo_unpin(qdev->monitors_config_bo); 1082 qxl_bo_unreserve(qdev->monitors_config_bo); 1083 1084 qxl_bo_unref(&qdev->monitors_config_bo); 1085 return 0; 1086} 1087 1088int qxl_modeset_init(struct qxl_device *qdev) 1089{ 1090 int i; 1091 int ret; 1092 1093 drm_mode_config_init(qdev->ddev); 1094 1095 ret = qxl_create_monitors_object(qdev); 1096 if (ret) 1097 return ret; 1098 1099 qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; 1100 1101 /* modes will be validated against the framebuffer size */ 1102 qdev->ddev->mode_config.min_width = 320; 1103 qdev->ddev->mode_config.min_height = 200; 1104 qdev->ddev->mode_config.max_width = 8192; 1105 qdev->ddev->mode_config.max_height = 8192; 1106 1107 qdev->ddev->mode_config.fb_base = qdev->vram_base; 1108 1109 drm_mode_create_suggested_offset_properties(qdev->ddev); 1110 qxl_mode_create_hotplug_mode_update_property(qdev); 1111 1112 for (i = 0 ; i < qxl_num_crtc; ++i) { 1113 qdev_crtc_init(qdev->ddev, i); 1114 qdev_output_init(qdev->ddev, i); 1115 } 1116 1117 qdev->mode_info.mode_config_initialized = true; 1118 1119 /* primary surface must be created by this point, to allow 1120 * issuing command queue commands and having them read by 1121 * spice server. */ 1122 qxl_fbdev_init(qdev); 1123 return 0; 1124} 1125 1126void qxl_modeset_fini(struct qxl_device *qdev) 1127{ 1128 qxl_fbdev_fini(qdev); 1129 1130 qxl_destroy_monitors_object(qdev); 1131 if (qdev->mode_info.mode_config_initialized) { 1132 drm_mode_config_cleanup(qdev->ddev); 1133 qdev->mode_info.mode_config_initialized = false; 1134 } 1135} 1136