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