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_framebuffer.h> 35#include <drm/drm_gem_framebuffer_helper.h> 36#include <drm/drm_plane_helper.h> 37#include <drm/drm_probe_helper.h> 38#include <drm/drm_simple_kms_helper.h> 39#include <drm/drm_gem_atomic_helper.h> 40 41#include "qxl_drv.h" 42#include "qxl_object.h" 43 44static bool qxl_head_enabled(struct qxl_head *head) 45{ 46 return head->width && head->height; 47} 48 49static int qxl_alloc_client_monitors_config(struct qxl_device *qdev, 50 unsigned int count) 51{ 52 if (qdev->client_monitors_config && 53 count > qdev->client_monitors_config->count) { 54 kfree(qdev->client_monitors_config); 55 qdev->client_monitors_config = NULL; 56 } 57 if (!qdev->client_monitors_config) { 58 qdev->client_monitors_config = kzalloc( 59 struct_size(qdev->client_monitors_config, 60 heads, count), GFP_KERNEL); 61 if (!qdev->client_monitors_config) 62 return -ENOMEM; 63 } 64 qdev->client_monitors_config->count = count; 65 return 0; 66} 67 68enum { 69 MONITORS_CONFIG_MODIFIED, 70 MONITORS_CONFIG_UNCHANGED, 71 MONITORS_CONFIG_BAD_CRC, 72 MONITORS_CONFIG_ERROR, 73}; 74 75static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) 76{ 77 int i; 78 int num_monitors; 79 uint32_t crc; 80 int status = MONITORS_CONFIG_UNCHANGED; 81 82 num_monitors = qdev->rom->client_monitors_config.count; 83 crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, 84 sizeof(qdev->rom->client_monitors_config)); 85 if (crc != qdev->rom->client_monitors_config_crc) 86 return MONITORS_CONFIG_BAD_CRC; 87 if (!num_monitors) { 88 DRM_DEBUG_KMS("no client monitors configured\n"); 89 return status; 90 } 91 if (num_monitors > qxl_num_crtc) { 92 DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", 93 qxl_num_crtc, num_monitors); 94 num_monitors = qxl_num_crtc; 95 } else { 96 num_monitors = qdev->rom->client_monitors_config.count; 97 } 98 if (qdev->client_monitors_config 99 && (num_monitors != qdev->client_monitors_config->count)) { 100 status = MONITORS_CONFIG_MODIFIED; 101 } 102 if (qxl_alloc_client_monitors_config(qdev, num_monitors)) { 103 status = MONITORS_CONFIG_ERROR; 104 return status; 105 } 106 /* we copy max from the client but it isn't used */ 107 qdev->client_monitors_config->max_allowed = qxl_num_crtc; 108 for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { 109 struct qxl_urect *c_rect = 110 &qdev->rom->client_monitors_config.heads[i]; 111 struct qxl_head *client_head = 112 &qdev->client_monitors_config->heads[i]; 113 if (client_head->x != c_rect->left) { 114 client_head->x = c_rect->left; 115 status = MONITORS_CONFIG_MODIFIED; 116 } 117 if (client_head->y != c_rect->top) { 118 client_head->y = c_rect->top; 119 status = MONITORS_CONFIG_MODIFIED; 120 } 121 if (client_head->width != c_rect->right - c_rect->left) { 122 client_head->width = c_rect->right - c_rect->left; 123 status = MONITORS_CONFIG_MODIFIED; 124 } 125 if (client_head->height != c_rect->bottom - c_rect->top) { 126 client_head->height = c_rect->bottom - c_rect->top; 127 status = MONITORS_CONFIG_MODIFIED; 128 } 129 if (client_head->surface_id != 0) { 130 client_head->surface_id = 0; 131 status = MONITORS_CONFIG_MODIFIED; 132 } 133 if (client_head->id != i) { 134 client_head->id = i; 135 status = MONITORS_CONFIG_MODIFIED; 136 } 137 if (client_head->flags != 0) { 138 client_head->flags = 0; 139 status = MONITORS_CONFIG_MODIFIED; 140 } 141 DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, 142 client_head->x, client_head->y); 143 } 144 145 return status; 146} 147 148static void qxl_update_offset_props(struct qxl_device *qdev) 149{ 150 struct drm_device *dev = &qdev->ddev; 151 struct drm_connector *connector; 152 struct qxl_output *output; 153 struct qxl_head *head; 154 155 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 156 output = drm_connector_to_qxl_output(connector); 157 158 head = &qdev->client_monitors_config->heads[output->index]; 159 160 drm_object_property_set_value(&connector->base, 161 dev->mode_config.suggested_x_property, head->x); 162 drm_object_property_set_value(&connector->base, 163 dev->mode_config.suggested_y_property, head->y); 164 } 165} 166 167void qxl_display_read_client_monitors_config(struct qxl_device *qdev) 168{ 169 struct drm_device *dev = &qdev->ddev; 170 struct drm_modeset_acquire_ctx ctx; 171 int status, retries, ret; 172 173 for (retries = 0; retries < 10; retries++) { 174 status = qxl_display_copy_rom_client_monitors_config(qdev); 175 if (status != MONITORS_CONFIG_BAD_CRC) 176 break; 177 udelay(5); 178 } 179 if (status == MONITORS_CONFIG_ERROR) { 180 DRM_DEBUG_KMS("ignoring client monitors config: error"); 181 return; 182 } 183 if (status == MONITORS_CONFIG_BAD_CRC) { 184 DRM_DEBUG_KMS("ignoring client monitors config: bad crc"); 185 return; 186 } 187 if (status == MONITORS_CONFIG_UNCHANGED) { 188 DRM_DEBUG_KMS("ignoring client monitors config: unchanged"); 189 return; 190 } 191 192 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 193 qxl_update_offset_props(qdev); 194 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); 195 if (!drm_helper_hpd_irq_event(dev)) { 196 /* notify that the monitor configuration changed, to 197 adjust at the arbitrary resolution */ 198 drm_kms_helper_hotplug_event(dev); 199 } 200} 201 202static int qxl_check_mode(struct qxl_device *qdev, 203 unsigned int width, 204 unsigned int height) 205{ 206 unsigned int stride; 207 unsigned int size; 208 209 if (check_mul_overflow(width, 4u, &stride)) 210 return -EINVAL; 211 if (check_mul_overflow(stride, height, &size)) 212 return -EINVAL; 213 if (size > qdev->vram_size) 214 return -ENOMEM; 215 return 0; 216} 217 218static int qxl_check_framebuffer(struct qxl_device *qdev, 219 struct qxl_bo *bo) 220{ 221 return qxl_check_mode(qdev, bo->surf.width, bo->surf.height); 222} 223 224static int qxl_add_mode(struct drm_connector *connector, 225 unsigned int width, 226 unsigned int height, 227 bool preferred) 228{ 229 struct drm_device *dev = connector->dev; 230 struct qxl_device *qdev = to_qxl(dev); 231 struct drm_display_mode *mode = NULL; 232 int rc; 233 234 rc = qxl_check_mode(qdev, width, height); 235 if (rc != 0) 236 return 0; 237 238 mode = drm_cvt_mode(dev, width, height, 60, false, false, false); 239 if (preferred) 240 mode->type |= DRM_MODE_TYPE_PREFERRED; 241 mode->hdisplay = width; 242 mode->vdisplay = height; 243 drm_mode_set_name(mode); 244 drm_mode_probed_add(connector, mode); 245 return 1; 246} 247 248static int qxl_add_monitors_config_modes(struct drm_connector *connector) 249{ 250 struct drm_device *dev = connector->dev; 251 struct qxl_device *qdev = to_qxl(dev); 252 struct qxl_output *output = drm_connector_to_qxl_output(connector); 253 int h = output->index; 254 struct qxl_head *head; 255 256 if (!qdev->monitors_config) 257 return 0; 258 if (h >= qxl_num_crtc) 259 return 0; 260 if (!qdev->client_monitors_config) 261 return 0; 262 if (h >= qdev->client_monitors_config->count) 263 return 0; 264 265 head = &qdev->client_monitors_config->heads[h]; 266 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height); 267 268 return qxl_add_mode(connector, head->width, head->height, true); 269} 270 271static struct mode_size { 272 int w; 273 int h; 274} extra_modes[] = { 275 { 720, 480}, 276 {1152, 768}, 277 {1280, 854}, 278}; 279 280static int qxl_add_extra_modes(struct drm_connector *connector) 281{ 282 int i, ret = 0; 283 284 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) 285 ret += qxl_add_mode(connector, 286 extra_modes[i].w, 287 extra_modes[i].h, 288 false); 289 return ret; 290} 291 292static void qxl_send_monitors_config(struct qxl_device *qdev) 293{ 294 int i; 295 296 BUG_ON(!qdev->ram_header->monitors_config); 297 298 if (qdev->monitors_config->count == 0) 299 return; 300 301 for (i = 0 ; i < qdev->monitors_config->count ; ++i) { 302 struct qxl_head *head = &qdev->monitors_config->heads[i]; 303 304 if (head->y > 8192 || head->x > 8192 || 305 head->width > 8192 || head->height > 8192) { 306 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", 307 i, head->width, head->height, 308 head->x, head->y); 309 return; 310 } 311 } 312 qxl_io_monitors_config(qdev); 313} 314 315static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc, 316 const char *reason) 317{ 318 struct drm_device *dev = crtc->dev; 319 struct qxl_device *qdev = to_qxl(dev); 320 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); 321 struct qxl_head head; 322 int oldcount, i = qcrtc->index; 323 324 if (!qdev->primary_bo) { 325 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason); 326 return; 327 } 328 329 if (!qdev->monitors_config || qxl_num_crtc <= i) 330 return; 331 332 head.id = i; 333 head.flags = 0; 334 head.surface_id = 0; 335 oldcount = qdev->monitors_config->count; 336 if (crtc->state->active) { 337 struct drm_display_mode *mode = &crtc->mode; 338 339 head.width = mode->hdisplay; 340 head.height = mode->vdisplay; 341 head.x = crtc->x; 342 head.y = crtc->y; 343 if (qdev->monitors_config->count < i + 1) 344 qdev->monitors_config->count = i + 1; 345 if (qdev->primary_bo == qdev->dumb_shadow_bo) 346 head.x += qdev->dumb_heads[i].x; 347 } else if (i > 0) { 348 head.width = 0; 349 head.height = 0; 350 head.x = 0; 351 head.y = 0; 352 if (qdev->monitors_config->count == i + 1) 353 qdev->monitors_config->count = i; 354 } else { 355 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason); 356 return; 357 } 358 359 if (head.width == qdev->monitors_config->heads[i].width && 360 head.height == qdev->monitors_config->heads[i].height && 361 head.x == qdev->monitors_config->heads[i].x && 362 head.y == qdev->monitors_config->heads[i].y && 363 oldcount == qdev->monitors_config->count) 364 return; 365 366 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n", 367 i, head.width, head.height, head.x, head.y, 368 crtc->state->active ? "on" : "off", reason); 369 if (oldcount != qdev->monitors_config->count) 370 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n", 371 oldcount, qdev->monitors_config->count, 372 qxl_num_crtc); 373 374 qdev->monitors_config->heads[i] = head; 375 qdev->monitors_config->max_allowed = qxl_num_crtc; 376 qxl_send_monitors_config(qdev); 377} 378 379static void qxl_crtc_atomic_flush(struct drm_crtc *crtc, 380 struct drm_atomic_state *state) 381{ 382 qxl_crtc_update_monitors_config(crtc, "flush"); 383} 384 385static void qxl_crtc_destroy(struct drm_crtc *crtc) 386{ 387 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); 388 389 qxl_bo_unref(&qxl_crtc->cursor_bo); 390 drm_crtc_cleanup(crtc); 391 kfree(qxl_crtc); 392} 393 394static const struct drm_crtc_funcs qxl_crtc_funcs = { 395 .set_config = drm_atomic_helper_set_config, 396 .destroy = qxl_crtc_destroy, 397 .page_flip = drm_atomic_helper_page_flip, 398 .reset = drm_atomic_helper_crtc_reset, 399 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, 400 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, 401}; 402 403static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, 404 struct drm_file *file_priv, 405 unsigned int flags, unsigned int color, 406 struct drm_clip_rect *clips, 407 unsigned int num_clips) 408{ 409 /* TODO: vmwgfx where this was cribbed from had locking. Why? */ 410 struct qxl_device *qdev = to_qxl(fb->dev); 411 struct drm_clip_rect norect; 412 struct qxl_bo *qobj; 413 struct drm_modeset_acquire_ctx ctx; 414 bool is_primary; 415 int inc = 1, ret; 416 417 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); 418 419 qobj = gem_to_qxl_bo(fb->obj[0]); 420 /* if we aren't primary surface ignore this */ 421 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary; 422 if (!is_primary) 423 goto out_lock_end; 424 425 if (!num_clips) { 426 num_clips = 1; 427 clips = &norect; 428 norect.x1 = norect.y1 = 0; 429 norect.x2 = fb->width; 430 norect.y2 = fb->height; 431 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 432 num_clips /= 2; 433 inc = 2; /* skip source rects */ 434 } 435 436 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color, 437 clips, num_clips, inc, 0); 438 439out_lock_end: 440 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret); 441 442 return 0; 443} 444 445static const struct drm_framebuffer_funcs qxl_fb_funcs = { 446 .destroy = drm_gem_fb_destroy, 447 .dirty = qxl_framebuffer_surface_dirty, 448 .create_handle = drm_gem_fb_create_handle, 449}; 450 451static void qxl_crtc_atomic_enable(struct drm_crtc *crtc, 452 struct drm_atomic_state *state) 453{ 454 qxl_crtc_update_monitors_config(crtc, "enable"); 455} 456 457static void qxl_crtc_atomic_disable(struct drm_crtc *crtc, 458 struct drm_atomic_state *state) 459{ 460 qxl_crtc_update_monitors_config(crtc, "disable"); 461} 462 463static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { 464 .atomic_flush = qxl_crtc_atomic_flush, 465 .atomic_enable = qxl_crtc_atomic_enable, 466 .atomic_disable = qxl_crtc_atomic_disable, 467}; 468 469static int qxl_primary_atomic_check(struct drm_plane *plane, 470 struct drm_atomic_state *state) 471{ 472 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 473 plane); 474 struct qxl_device *qdev = to_qxl(plane->dev); 475 struct qxl_bo *bo; 476 477 if (!new_plane_state->crtc || !new_plane_state->fb) 478 return 0; 479 480 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]); 481 482 return qxl_check_framebuffer(qdev, bo); 483} 484 485static int qxl_primary_apply_cursor(struct qxl_device *qdev, 486 struct drm_plane_state *plane_state) 487{ 488 struct drm_framebuffer *fb = plane_state->fb; 489 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 490 struct qxl_cursor_cmd *cmd; 491 struct qxl_release *release; 492 int ret = 0; 493 494 if (!qcrtc->cursor_bo) 495 return 0; 496 497 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 498 QXL_RELEASE_CURSOR_CMD, 499 &release, NULL); 500 if (ret) 501 return ret; 502 503 ret = qxl_release_list_add(release, qcrtc->cursor_bo); 504 if (ret) 505 goto out_free_release; 506 507 ret = qxl_release_reserve_list(release, false); 508 if (ret) 509 goto out_free_release; 510 511 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 512 cmd->type = QXL_CURSOR_SET; 513 cmd->u.set.position.x = plane_state->crtc_x + fb->hot_x; 514 cmd->u.set.position.y = plane_state->crtc_y + fb->hot_y; 515 516 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0); 517 518 cmd->u.set.visible = 1; 519 qxl_release_unmap(qdev, release, &cmd->release_info); 520 521 qxl_release_fence_buffer_objects(release); 522 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 523 524 return ret; 525 526out_free_release: 527 qxl_release_free(qdev, release); 528 return ret; 529} 530 531static int qxl_primary_move_cursor(struct qxl_device *qdev, 532 struct drm_plane_state *plane_state) 533{ 534 struct drm_framebuffer *fb = plane_state->fb; 535 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); 536 struct qxl_cursor_cmd *cmd; 537 struct qxl_release *release; 538 int ret = 0; 539 540 if (!qcrtc->cursor_bo) 541 return 0; 542 543 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 544 QXL_RELEASE_CURSOR_CMD, 545 &release, NULL); 546 if (ret) 547 return ret; 548 549 ret = qxl_release_reserve_list(release, true); 550 if (ret) { 551 qxl_release_free(qdev, release); 552 return ret; 553 } 554 555 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 556 cmd->type = QXL_CURSOR_MOVE; 557 cmd->u.position.x = plane_state->crtc_x + fb->hot_x; 558 cmd->u.position.y = plane_state->crtc_y + fb->hot_y; 559 qxl_release_unmap(qdev, release, &cmd->release_info); 560 561 qxl_release_fence_buffer_objects(release); 562 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 563 return ret; 564} 565 566static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev, 567 struct qxl_bo *user_bo, 568 int hot_x, int hot_y) 569{ 570 static const u32 size = 64 * 64 * 4; 571 struct qxl_bo *cursor_bo; 572 struct iosys_map cursor_map; 573 struct iosys_map user_map; 574 struct qxl_cursor cursor; 575 int ret; 576 577 if (!user_bo) 578 return NULL; 579 580 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size, 581 false, true, QXL_GEM_DOMAIN_VRAM, 1, 582 NULL, &cursor_bo); 583 if (ret) 584 goto err; 585 586 ret = qxl_bo_vmap(cursor_bo, &cursor_map); 587 if (ret) 588 goto err_unref; 589 590 ret = qxl_bo_vmap(user_bo, &user_map); 591 if (ret) 592 goto err_unmap; 593 594 cursor.header.unique = 0; 595 cursor.header.type = SPICE_CURSOR_TYPE_ALPHA; 596 cursor.header.width = 64; 597 cursor.header.height = 64; 598 cursor.header.hot_spot_x = hot_x; 599 cursor.header.hot_spot_y = hot_y; 600 cursor.data_size = size; 601 cursor.chunk.next_chunk = 0; 602 cursor.chunk.prev_chunk = 0; 603 cursor.chunk.data_size = size; 604 if (cursor_map.is_iomem) { 605 memcpy_toio(cursor_map.vaddr_iomem, 606 &cursor, sizeof(cursor)); 607 memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor), 608 user_map.vaddr, size); 609 } else { 610 memcpy(cursor_map.vaddr, 611 &cursor, sizeof(cursor)); 612 memcpy(cursor_map.vaddr + sizeof(cursor), 613 user_map.vaddr, size); 614 } 615 616 qxl_bo_vunmap(user_bo); 617 qxl_bo_vunmap(cursor_bo); 618 return cursor_bo; 619 620err_unmap: 621 qxl_bo_vunmap(cursor_bo); 622err_unref: 623 qxl_bo_unpin(cursor_bo); 624 qxl_bo_unref(&cursor_bo); 625err: 626 return NULL; 627} 628 629static void qxl_free_cursor(struct qxl_bo *cursor_bo) 630{ 631 if (!cursor_bo) 632 return; 633 634 qxl_bo_unpin(cursor_bo); 635 qxl_bo_unref(&cursor_bo); 636} 637 638static void qxl_primary_atomic_update(struct drm_plane *plane, 639 struct drm_atomic_state *state) 640{ 641 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 642 plane); 643 struct qxl_device *qdev = to_qxl(plane->dev); 644 struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]); 645 struct qxl_bo *primary; 646 struct drm_clip_rect norect = { 647 .x1 = 0, 648 .y1 = 0, 649 .x2 = new_state->fb->width, 650 .y2 = new_state->fb->height 651 }; 652 uint32_t dumb_shadow_offset = 0; 653 654 primary = bo->shadow ? bo->shadow : bo; 655 656 if (!primary->is_primary) { 657 if (qdev->primary_bo) 658 qxl_io_destroy_primary(qdev); 659 qxl_io_create_primary(qdev, primary); 660 qxl_primary_apply_cursor(qdev, plane->state); 661 } 662 663 if (bo->is_dumb) 664 dumb_shadow_offset = 665 qdev->dumb_heads[new_state->crtc->index].x; 666 667 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1, 668 dumb_shadow_offset); 669} 670 671static void qxl_primary_atomic_disable(struct drm_plane *plane, 672 struct drm_atomic_state *state) 673{ 674 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 675 plane); 676 struct qxl_device *qdev = to_qxl(plane->dev); 677 678 if (old_state->fb) { 679 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]); 680 681 if (bo->shadow) 682 bo = bo->shadow; 683 if (bo->is_primary) 684 qxl_io_destroy_primary(qdev); 685 } 686} 687 688static void qxl_cursor_atomic_update(struct drm_plane *plane, 689 struct drm_atomic_state *state) 690{ 691 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 692 plane); 693 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 694 plane); 695 struct qxl_device *qdev = to_qxl(plane->dev); 696 struct drm_framebuffer *fb = new_state->fb; 697 698 if (fb != old_state->fb) { 699 qxl_primary_apply_cursor(qdev, new_state); 700 } else { 701 qxl_primary_move_cursor(qdev, new_state); 702 } 703} 704 705static void qxl_cursor_atomic_disable(struct drm_plane *plane, 706 struct drm_atomic_state *state) 707{ 708 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 709 plane); 710 struct qxl_device *qdev = to_qxl(plane->dev); 711 struct qxl_crtc *qcrtc; 712 struct qxl_release *release; 713 struct qxl_cursor_cmd *cmd; 714 int ret; 715 716 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), 717 QXL_RELEASE_CURSOR_CMD, 718 &release, NULL); 719 if (ret) 720 return; 721 722 ret = qxl_release_reserve_list(release, true); 723 if (ret) { 724 qxl_release_free(qdev, release); 725 return; 726 } 727 728 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); 729 cmd->type = QXL_CURSOR_HIDE; 730 qxl_release_unmap(qdev, release, &cmd->release_info); 731 732 qxl_release_fence_buffer_objects(release); 733 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); 734 735 qcrtc = to_qxl_crtc(old_state->crtc); 736 qxl_free_cursor(qcrtc->cursor_bo); 737 qcrtc->cursor_bo = NULL; 738} 739 740static void qxl_update_dumb_head(struct qxl_device *qdev, 741 int index, struct qxl_bo *bo) 742{ 743 uint32_t width, height; 744 745 if (index >= qdev->monitors_config->max_allowed) 746 return; 747 748 if (bo && bo->is_dumb) { 749 width = bo->surf.width; 750 height = bo->surf.height; 751 } else { 752 width = 0; 753 height = 0; 754 } 755 756 if (qdev->dumb_heads[index].width == width && 757 qdev->dumb_heads[index].height == height) 758 return; 759 760 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index, 761 qdev->dumb_heads[index].width, 762 qdev->dumb_heads[index].height, 763 width, height); 764 qdev->dumb_heads[index].width = width; 765 qdev->dumb_heads[index].height = height; 766} 767 768static void qxl_calc_dumb_shadow(struct qxl_device *qdev, 769 struct qxl_surface *surf) 770{ 771 struct qxl_head *head; 772 int i; 773 774 memset(surf, 0, sizeof(*surf)); 775 for (i = 0; i < qdev->monitors_config->max_allowed; i++) { 776 head = qdev->dumb_heads + i; 777 head->x = surf->width; 778 surf->width += head->width; 779 if (surf->height < head->height) 780 surf->height = head->height; 781 } 782 if (surf->width < 64) 783 surf->width = 64; 784 if (surf->height < 64) 785 surf->height = 64; 786 surf->format = SPICE_SURFACE_FMT_32_xRGB; 787 surf->stride = surf->width * 4; 788 789 if (!qdev->dumb_shadow_bo || 790 qdev->dumb_shadow_bo->surf.width != surf->width || 791 qdev->dumb_shadow_bo->surf.height != surf->height) 792 DRM_DEBUG("%dx%d\n", surf->width, surf->height); 793} 794 795static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo, 796 int crtc_index) 797{ 798 struct qxl_surface surf; 799 800 qxl_update_dumb_head(qdev, crtc_index, 801 user_bo); 802 qxl_calc_dumb_shadow(qdev, &surf); 803 if (!qdev->dumb_shadow_bo || 804 qdev->dumb_shadow_bo->surf.width != surf.width || 805 qdev->dumb_shadow_bo->surf.height != surf.height) { 806 if (qdev->dumb_shadow_bo) { 807 qxl_bo_unpin(qdev->dumb_shadow_bo); 808 drm_gem_object_put 809 (&qdev->dumb_shadow_bo->tbo.base); 810 qdev->dumb_shadow_bo = NULL; 811 } 812 qxl_bo_create(qdev, surf.height * surf.stride, 813 true, true, QXL_GEM_DOMAIN_SURFACE, 0, 814 &surf, &qdev->dumb_shadow_bo); 815 } 816 if (user_bo->shadow != qdev->dumb_shadow_bo) { 817 if (user_bo->shadow) { 818 qxl_bo_unpin(user_bo->shadow); 819 drm_gem_object_put 820 (&user_bo->shadow->tbo.base); 821 user_bo->shadow = NULL; 822 } 823 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base); 824 user_bo->shadow = qdev->dumb_shadow_bo; 825 qxl_bo_pin(user_bo->shadow); 826 } 827} 828 829static int qxl_plane_prepare_fb(struct drm_plane *plane, 830 struct drm_plane_state *new_state) 831{ 832 struct qxl_device *qdev = to_qxl(plane->dev); 833 struct drm_gem_object *obj; 834 struct qxl_bo *user_bo; 835 int ret; 836 837 if (!new_state->fb) 838 return 0; 839 840 obj = new_state->fb->obj[0]; 841 user_bo = gem_to_qxl_bo(obj); 842 843 if (plane->type == DRM_PLANE_TYPE_PRIMARY && 844 user_bo->is_dumb) { 845 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index); 846 } 847 848 if (plane->type == DRM_PLANE_TYPE_CURSOR && 849 plane->state->fb != new_state->fb) { 850 struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc); 851 struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo; 852 853 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo, 854 new_state->fb->hot_x, 855 new_state->fb->hot_y); 856 qxl_free_cursor(old_cursor_bo); 857 } 858 859 ret = qxl_bo_pin(user_bo); 860 if (ret) 861 return ret; 862 863 return drm_gem_plane_helper_prepare_fb(plane, new_state); 864} 865 866static void qxl_plane_cleanup_fb(struct drm_plane *plane, 867 struct drm_plane_state *old_state) 868{ 869 struct drm_gem_object *obj; 870 struct qxl_bo *user_bo; 871 872 if (!old_state->fb) { 873 /* 874 * we never executed prepare_fb, so there's nothing to 875 * unpin. 876 */ 877 return; 878 } 879 880 obj = old_state->fb->obj[0]; 881 user_bo = gem_to_qxl_bo(obj); 882 qxl_bo_unpin(user_bo); 883 884 if (old_state->fb != plane->state->fb && user_bo->shadow) { 885 qxl_bo_unpin(user_bo->shadow); 886 drm_gem_object_put(&user_bo->shadow->tbo.base); 887 user_bo->shadow = NULL; 888 } 889} 890 891static const uint32_t qxl_cursor_plane_formats[] = { 892 DRM_FORMAT_ARGB8888, 893}; 894 895static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = { 896 .atomic_update = qxl_cursor_atomic_update, 897 .atomic_disable = qxl_cursor_atomic_disable, 898 .prepare_fb = qxl_plane_prepare_fb, 899 .cleanup_fb = qxl_plane_cleanup_fb, 900}; 901 902static const struct drm_plane_funcs qxl_cursor_plane_funcs = { 903 .update_plane = drm_atomic_helper_update_plane, 904 .disable_plane = drm_atomic_helper_disable_plane, 905 .destroy = drm_plane_helper_destroy, 906 .reset = drm_atomic_helper_plane_reset, 907 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 908 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 909}; 910 911static const uint32_t qxl_primary_plane_formats[] = { 912 DRM_FORMAT_XRGB8888, 913 DRM_FORMAT_ARGB8888, 914}; 915 916static const struct drm_plane_helper_funcs primary_helper_funcs = { 917 .atomic_check = qxl_primary_atomic_check, 918 .atomic_update = qxl_primary_atomic_update, 919 .atomic_disable = qxl_primary_atomic_disable, 920 .prepare_fb = qxl_plane_prepare_fb, 921 .cleanup_fb = qxl_plane_cleanup_fb, 922}; 923 924static const struct drm_plane_funcs qxl_primary_plane_funcs = { 925 .update_plane = drm_atomic_helper_update_plane, 926 .disable_plane = drm_atomic_helper_disable_plane, 927 .destroy = drm_plane_helper_destroy, 928 .reset = drm_atomic_helper_plane_reset, 929 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 930 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 931}; 932 933static struct drm_plane *qxl_create_plane(struct qxl_device *qdev, 934 unsigned int possible_crtcs, 935 enum drm_plane_type type) 936{ 937 const struct drm_plane_helper_funcs *helper_funcs = NULL; 938 struct drm_plane *plane; 939 const struct drm_plane_funcs *funcs; 940 const uint32_t *formats; 941 int num_formats; 942 int err; 943 944 if (type == DRM_PLANE_TYPE_PRIMARY) { 945 funcs = &qxl_primary_plane_funcs; 946 formats = qxl_primary_plane_formats; 947 num_formats = ARRAY_SIZE(qxl_primary_plane_formats); 948 helper_funcs = &primary_helper_funcs; 949 } else if (type == DRM_PLANE_TYPE_CURSOR) { 950 funcs = &qxl_cursor_plane_funcs; 951 formats = qxl_cursor_plane_formats; 952 helper_funcs = &qxl_cursor_helper_funcs; 953 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats); 954 } else { 955 return ERR_PTR(-EINVAL); 956 } 957 958 plane = kzalloc(sizeof(*plane), GFP_KERNEL); 959 if (!plane) 960 return ERR_PTR(-ENOMEM); 961 962 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs, 963 funcs, formats, num_formats, 964 NULL, type, NULL); 965 if (err) 966 goto free_plane; 967 968 drm_plane_helper_add(plane, helper_funcs); 969 970 return plane; 971 972free_plane: 973 kfree(plane); 974 return ERR_PTR(-EINVAL); 975} 976 977static int qdev_crtc_init(struct drm_device *dev, int crtc_id) 978{ 979 struct qxl_crtc *qxl_crtc; 980 struct drm_plane *primary, *cursor; 981 struct qxl_device *qdev = to_qxl(dev); 982 int r; 983 984 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); 985 if (!qxl_crtc) 986 return -ENOMEM; 987 988 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY); 989 if (IS_ERR(primary)) { 990 r = -ENOMEM; 991 goto free_mem; 992 } 993 994 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR); 995 if (IS_ERR(cursor)) { 996 r = -ENOMEM; 997 goto clean_primary; 998 } 999 1000 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor, 1001 &qxl_crtc_funcs, NULL); 1002 if (r) 1003 goto clean_cursor; 1004 1005 qxl_crtc->index = crtc_id; 1006 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); 1007 return 0; 1008 1009clean_cursor: 1010 drm_plane_cleanup(cursor); 1011 kfree(cursor); 1012clean_primary: 1013 drm_plane_cleanup(primary); 1014 kfree(primary); 1015free_mem: 1016 kfree(qxl_crtc); 1017 return r; 1018} 1019 1020static int qxl_conn_get_modes(struct drm_connector *connector) 1021{ 1022 struct drm_device *dev = connector->dev; 1023 struct qxl_device *qdev = to_qxl(dev); 1024 struct qxl_output *output = drm_connector_to_qxl_output(connector); 1025 unsigned int pwidth = 1024; 1026 unsigned int pheight = 768; 1027 int ret = 0; 1028 1029 if (qdev->client_monitors_config) { 1030 struct qxl_head *head; 1031 head = &qdev->client_monitors_config->heads[output->index]; 1032 if (head->width) 1033 pwidth = head->width; 1034 if (head->height) 1035 pheight = head->height; 1036 } 1037 1038 ret += drm_add_modes_noedid(connector, 8192, 8192); 1039 ret += qxl_add_extra_modes(connector); 1040 ret += qxl_add_monitors_config_modes(connector); 1041 drm_set_preferred_mode(connector, pwidth, pheight); 1042 return ret; 1043} 1044 1045static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector, 1046 struct drm_display_mode *mode) 1047{ 1048 struct drm_device *ddev = connector->dev; 1049 struct qxl_device *qdev = to_qxl(ddev); 1050 1051 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0) 1052 return MODE_BAD; 1053 1054 return MODE_OK; 1055} 1056 1057static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) 1058{ 1059 struct qxl_output *qxl_output = 1060 drm_connector_to_qxl_output(connector); 1061 1062 DRM_DEBUG("\n"); 1063 return &qxl_output->enc; 1064} 1065 1066static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { 1067 .get_modes = qxl_conn_get_modes, 1068 .mode_valid = qxl_conn_mode_valid, 1069 .best_encoder = qxl_best_encoder, 1070}; 1071 1072static enum drm_connector_status qxl_conn_detect( 1073 struct drm_connector *connector, 1074 bool force) 1075{ 1076 struct qxl_output *output = 1077 drm_connector_to_qxl_output(connector); 1078 struct drm_device *ddev = connector->dev; 1079 struct qxl_device *qdev = to_qxl(ddev); 1080 bool connected = false; 1081 1082 /* The first monitor is always connected */ 1083 if (!qdev->client_monitors_config) { 1084 if (output->index == 0) 1085 connected = true; 1086 } else 1087 connected = qdev->client_monitors_config->count > output->index && 1088 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]); 1089 1090 DRM_DEBUG("#%d connected: %d\n", output->index, connected); 1091 1092 return connected ? connector_status_connected 1093 : connector_status_disconnected; 1094} 1095 1096static void qxl_conn_destroy(struct drm_connector *connector) 1097{ 1098 struct qxl_output *qxl_output = 1099 drm_connector_to_qxl_output(connector); 1100 1101 drm_connector_unregister(connector); 1102 drm_connector_cleanup(connector); 1103 kfree(qxl_output); 1104} 1105 1106static const struct drm_connector_funcs qxl_connector_funcs = { 1107 .detect = qxl_conn_detect, 1108 .fill_modes = drm_helper_probe_single_connector_modes, 1109 .destroy = qxl_conn_destroy, 1110 .reset = drm_atomic_helper_connector_reset, 1111 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 1112 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 1113}; 1114 1115static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev) 1116{ 1117 if (qdev->hotplug_mode_update_property) 1118 return 0; 1119 1120 qdev->hotplug_mode_update_property = 1121 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE, 1122 "hotplug_mode_update", 0, 1); 1123 1124 return 0; 1125} 1126 1127static int qdev_output_init(struct drm_device *dev, int num_output) 1128{ 1129 struct qxl_device *qdev = to_qxl(dev); 1130 struct qxl_output *qxl_output; 1131 struct drm_connector *connector; 1132 struct drm_encoder *encoder; 1133 int ret; 1134 1135 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); 1136 if (!qxl_output) 1137 return -ENOMEM; 1138 1139 qxl_output->index = num_output; 1140 1141 connector = &qxl_output->base; 1142 encoder = &qxl_output->enc; 1143 drm_connector_init(dev, &qxl_output->base, 1144 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); 1145 1146 ret = drm_simple_encoder_init(dev, &qxl_output->enc, 1147 DRM_MODE_ENCODER_VIRTUAL); 1148 if (ret) { 1149 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n", 1150 ret); 1151 goto err_drm_connector_cleanup; 1152 } 1153 1154 /* we get HPD via client monitors config */ 1155 connector->polled = DRM_CONNECTOR_POLL_HPD; 1156 encoder->possible_crtcs = 1 << num_output; 1157 drm_connector_attach_encoder(&qxl_output->base, 1158 &qxl_output->enc); 1159 drm_connector_helper_add(connector, &qxl_connector_helper_funcs); 1160 1161 drm_object_attach_property(&connector->base, 1162 qdev->hotplug_mode_update_property, 0); 1163 drm_object_attach_property(&connector->base, 1164 dev->mode_config.suggested_x_property, 0); 1165 drm_object_attach_property(&connector->base, 1166 dev->mode_config.suggested_y_property, 0); 1167 return 0; 1168 1169err_drm_connector_cleanup: 1170 drm_connector_cleanup(&qxl_output->base); 1171 kfree(qxl_output); 1172 return ret; 1173} 1174 1175static struct drm_framebuffer * 1176qxl_user_framebuffer_create(struct drm_device *dev, 1177 struct drm_file *file_priv, 1178 const struct drm_mode_fb_cmd2 *mode_cmd) 1179{ 1180 return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd, 1181 &qxl_fb_funcs); 1182} 1183 1184static const struct drm_mode_config_funcs qxl_mode_funcs = { 1185 .fb_create = qxl_user_framebuffer_create, 1186 .atomic_check = drm_atomic_helper_check, 1187 .atomic_commit = drm_atomic_helper_commit, 1188}; 1189 1190int qxl_create_monitors_object(struct qxl_device *qdev) 1191{ 1192 int ret; 1193 struct drm_gem_object *gobj; 1194 struct iosys_map map; 1195 int monitors_config_size = sizeof(struct qxl_monitors_config) + 1196 qxl_num_crtc * sizeof(struct qxl_head); 1197 1198 ret = qxl_gem_object_create(qdev, monitors_config_size, 0, 1199 QXL_GEM_DOMAIN_VRAM, 1200 false, false, NULL, &gobj); 1201 if (ret) { 1202 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); 1203 return -ENOMEM; 1204 } 1205 qdev->monitors_config_bo = gem_to_qxl_bo(gobj); 1206 1207 ret = qxl_bo_vmap(qdev->monitors_config_bo, &map); 1208 if (ret) 1209 return ret; 1210 1211 qdev->monitors_config = qdev->monitors_config_bo->kptr; 1212 qdev->ram_header->monitors_config = 1213 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); 1214 1215 memset(qdev->monitors_config, 0, monitors_config_size); 1216 qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]), 1217 GFP_KERNEL); 1218 if (!qdev->dumb_heads) { 1219 qxl_destroy_monitors_object(qdev); 1220 return -ENOMEM; 1221 } 1222 return 0; 1223} 1224 1225int qxl_destroy_monitors_object(struct qxl_device *qdev) 1226{ 1227 int ret; 1228 1229 if (!qdev->monitors_config_bo) 1230 return 0; 1231 1232 kfree(qdev->dumb_heads); 1233 qdev->dumb_heads = NULL; 1234 1235 qdev->monitors_config = NULL; 1236 qdev->ram_header->monitors_config = 0; 1237 1238 ret = qxl_bo_vunmap(qdev->monitors_config_bo); 1239 if (ret) 1240 return ret; 1241 1242 qxl_bo_unref(&qdev->monitors_config_bo); 1243 return 0; 1244} 1245 1246int qxl_modeset_init(struct qxl_device *qdev) 1247{ 1248 int i; 1249 int ret; 1250 1251 ret = drmm_mode_config_init(&qdev->ddev); 1252 if (ret) 1253 return ret; 1254 1255 ret = qxl_create_monitors_object(qdev); 1256 if (ret) 1257 return ret; 1258 1259 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs; 1260 1261 /* modes will be validated against the framebuffer size */ 1262 qdev->ddev.mode_config.min_width = 0; 1263 qdev->ddev.mode_config.min_height = 0; 1264 qdev->ddev.mode_config.max_width = 8192; 1265 qdev->ddev.mode_config.max_height = 8192; 1266 1267 drm_mode_create_suggested_offset_properties(&qdev->ddev); 1268 qxl_mode_create_hotplug_mode_update_property(qdev); 1269 1270 for (i = 0 ; i < qxl_num_crtc; ++i) { 1271 qdev_crtc_init(&qdev->ddev, i); 1272 qdev_output_init(&qdev->ddev, i); 1273 } 1274 1275 qxl_display_read_client_monitors_config(qdev); 1276 1277 drm_mode_config_reset(&qdev->ddev); 1278 return 0; 1279} 1280 1281void qxl_modeset_fini(struct qxl_device *qdev) 1282{ 1283 if (qdev->dumb_shadow_bo) { 1284 qxl_bo_unpin(qdev->dumb_shadow_bo); 1285 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base); 1286 qdev->dumb_shadow_bo = NULL; 1287 } 1288 qxl_destroy_monitors_object(qdev); 1289} 1290