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1/*2 * Copyright 2013 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Dave Airlie23 * Alon Levy24 */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_config99 && (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, to197 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 (!mode)240 return 0;241 242 if (preferred)243 mode->type |= DRM_MODE_TYPE_PREFERRED;244 mode->hdisplay = width;245 mode->vdisplay = height;246 drm_mode_set_name(mode);247 drm_mode_probed_add(connector, mode);248 return 1;249}250 251static int qxl_add_monitors_config_modes(struct drm_connector *connector)252{253 struct drm_device *dev = connector->dev;254 struct qxl_device *qdev = to_qxl(dev);255 struct qxl_output *output = drm_connector_to_qxl_output(connector);256 int h = output->index;257 struct qxl_head *head;258 259 if (!qdev->monitors_config)260 return 0;261 if (h >= qxl_num_crtc)262 return 0;263 if (!qdev->client_monitors_config)264 return 0;265 if (h >= qdev->client_monitors_config->count)266 return 0;267 268 head = &qdev->client_monitors_config->heads[h];269 DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);270 271 return qxl_add_mode(connector, head->width, head->height, true);272}273 274static struct mode_size {275 int w;276 int h;277} extra_modes[] = {278 { 720, 480},279 {1152, 768},280 {1280, 854},281};282 283static int qxl_add_extra_modes(struct drm_connector *connector)284{285 int i, ret = 0;286 287 for (i = 0; i < ARRAY_SIZE(extra_modes); i++)288 ret += qxl_add_mode(connector,289 extra_modes[i].w,290 extra_modes[i].h,291 false);292 return ret;293}294 295static void qxl_send_monitors_config(struct qxl_device *qdev)296{297 int i;298 299 BUG_ON(!qdev->ram_header->monitors_config);300 301 if (qdev->monitors_config->count == 0)302 return;303 304 for (i = 0 ; i < qdev->monitors_config->count ; ++i) {305 struct qxl_head *head = &qdev->monitors_config->heads[i];306 307 if (head->y > 8192 || head->x > 8192 ||308 head->width > 8192 || head->height > 8192) {309 DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",310 i, head->width, head->height,311 head->x, head->y);312 return;313 }314 }315 qxl_io_monitors_config(qdev);316}317 318static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,319 const char *reason)320{321 struct drm_device *dev = crtc->dev;322 struct qxl_device *qdev = to_qxl(dev);323 struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);324 struct qxl_head head;325 int oldcount, i = qcrtc->index;326 327 if (!qdev->primary_bo) {328 DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);329 return;330 }331 332 if (!qdev->monitors_config || qxl_num_crtc <= i)333 return;334 335 head.id = i;336 head.flags = 0;337 head.surface_id = 0;338 oldcount = qdev->monitors_config->count;339 if (crtc->state->active) {340 struct drm_display_mode *mode = &crtc->mode;341 342 head.width = mode->hdisplay;343 head.height = mode->vdisplay;344 head.x = crtc->x;345 head.y = crtc->y;346 if (qdev->monitors_config->count < i + 1)347 qdev->monitors_config->count = i + 1;348 if (qdev->primary_bo == qdev->dumb_shadow_bo)349 head.x += qdev->dumb_heads[i].x;350 } else if (i > 0) {351 head.width = 0;352 head.height = 0;353 head.x = 0;354 head.y = 0;355 if (qdev->monitors_config->count == i + 1)356 qdev->monitors_config->count = i;357 } else {358 DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);359 return;360 }361 362 if (head.width == qdev->monitors_config->heads[i].width &&363 head.height == qdev->monitors_config->heads[i].height &&364 head.x == qdev->monitors_config->heads[i].x &&365 head.y == qdev->monitors_config->heads[i].y &&366 oldcount == qdev->monitors_config->count)367 return;368 369 DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",370 i, head.width, head.height, head.x, head.y,371 crtc->state->active ? "on" : "off", reason);372 if (oldcount != qdev->monitors_config->count)373 DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",374 oldcount, qdev->monitors_config->count,375 qxl_num_crtc);376 377 qdev->monitors_config->heads[i] = head;378 qdev->monitors_config->max_allowed = qxl_num_crtc;379 qxl_send_monitors_config(qdev);380}381 382static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,383 struct drm_atomic_state *state)384{385 qxl_crtc_update_monitors_config(crtc, "flush");386}387 388static void qxl_crtc_destroy(struct drm_crtc *crtc)389{390 struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);391 392 qxl_bo_unref(&qxl_crtc->cursor_bo);393 drm_crtc_cleanup(crtc);394 kfree(qxl_crtc);395}396 397static const struct drm_crtc_funcs qxl_crtc_funcs = {398 .set_config = drm_atomic_helper_set_config,399 .destroy = qxl_crtc_destroy,400 .page_flip = drm_atomic_helper_page_flip,401 .reset = drm_atomic_helper_crtc_reset,402 .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,403 .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,404};405 406static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,407 struct drm_file *file_priv,408 unsigned int flags, unsigned int color,409 struct drm_clip_rect *clips,410 unsigned int num_clips)411{412 /* TODO: vmwgfx where this was cribbed from had locking. Why? */413 struct qxl_device *qdev = to_qxl(fb->dev);414 struct drm_clip_rect norect;415 struct qxl_bo *qobj;416 struct drm_modeset_acquire_ctx ctx;417 bool is_primary;418 int inc = 1, ret;419 420 DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);421 422 qobj = gem_to_qxl_bo(fb->obj[0]);423 /* if we aren't primary surface ignore this */424 is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary;425 if (!is_primary)426 goto out_lock_end;427 428 if (!num_clips) {429 num_clips = 1;430 clips = &norect;431 norect.x1 = norect.y1 = 0;432 norect.x2 = fb->width;433 norect.y2 = fb->height;434 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {435 num_clips /= 2;436 inc = 2; /* skip source rects */437 }438 439 qxl_draw_dirty_fb(qdev, fb, qobj, flags, color,440 clips, num_clips, inc, 0);441 442out_lock_end:443 DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret);444 445 return 0;446}447 448static const struct drm_framebuffer_funcs qxl_fb_funcs = {449 .destroy = drm_gem_fb_destroy,450 .dirty = qxl_framebuffer_surface_dirty,451 .create_handle = drm_gem_fb_create_handle,452};453 454static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,455 struct drm_atomic_state *state)456{457 qxl_crtc_update_monitors_config(crtc, "enable");458}459 460static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,461 struct drm_atomic_state *state)462{463 qxl_crtc_update_monitors_config(crtc, "disable");464}465 466static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {467 .atomic_flush = qxl_crtc_atomic_flush,468 .atomic_enable = qxl_crtc_atomic_enable,469 .atomic_disable = qxl_crtc_atomic_disable,470};471 472static int qxl_primary_atomic_check(struct drm_plane *plane,473 struct drm_atomic_state *state)474{475 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,476 plane);477 struct qxl_device *qdev = to_qxl(plane->dev);478 struct qxl_bo *bo;479 480 if (!new_plane_state->crtc || !new_plane_state->fb)481 return 0;482 483 bo = gem_to_qxl_bo(new_plane_state->fb->obj[0]);484 485 return qxl_check_framebuffer(qdev, bo);486}487 488static int qxl_primary_apply_cursor(struct qxl_device *qdev,489 struct drm_plane_state *plane_state)490{491 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);492 struct qxl_cursor_cmd *cmd;493 struct qxl_release *release;494 int ret = 0;495 496 if (!qcrtc->cursor_bo)497 return 0;498 499 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),500 QXL_RELEASE_CURSOR_CMD,501 &release, NULL);502 if (ret)503 return ret;504 505 ret = qxl_release_list_add(release, qcrtc->cursor_bo);506 if (ret)507 goto out_free_release;508 509 ret = qxl_release_reserve_list(release, false);510 if (ret)511 goto out_free_release;512 513 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);514 cmd->type = QXL_CURSOR_SET;515 cmd->u.set.position.x = plane_state->crtc_x + plane_state->hotspot_x;516 cmd->u.set.position.y = plane_state->crtc_y + plane_state->hotspot_y;517 518 cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);519 520 cmd->u.set.visible = 1;521 qxl_release_unmap(qdev, release, &cmd->release_info);522 523 qxl_release_fence_buffer_objects(release);524 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);525 526 return ret;527 528out_free_release:529 qxl_release_free(qdev, release);530 return ret;531}532 533static int qxl_primary_move_cursor(struct qxl_device *qdev,534 struct drm_plane_state *plane_state)535{536 struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc);537 struct qxl_cursor_cmd *cmd;538 struct qxl_release *release;539 int ret = 0;540 541 if (!qcrtc->cursor_bo)542 return 0;543 544 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),545 QXL_RELEASE_CURSOR_CMD,546 &release, NULL);547 if (ret)548 return ret;549 550 ret = qxl_release_reserve_list(release, true);551 if (ret) {552 qxl_release_free(qdev, release);553 return ret;554 }555 556 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);557 cmd->type = QXL_CURSOR_MOVE;558 cmd->u.position.x = plane_state->crtc_x + plane_state->hotspot_x;559 cmd->u.position.y = plane_state->crtc_y + plane_state->hotspot_y;560 qxl_release_unmap(qdev, release, &cmd->release_info);561 562 qxl_release_fence_buffer_objects(release);563 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);564 return ret;565}566 567static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev,568 struct qxl_bo *user_bo,569 int hot_x, int hot_y)570{571 static const u32 size = 64 * 64 * 4;572 struct qxl_bo *cursor_bo;573 struct iosys_map cursor_map;574 struct iosys_map user_map;575 struct qxl_cursor cursor;576 int ret;577 578 if (!user_bo)579 return NULL;580 581 ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size,582 false, true, QXL_GEM_DOMAIN_VRAM, 1,583 NULL, &cursor_bo);584 if (ret)585 goto err;586 587 ret = qxl_bo_pin_and_vmap(cursor_bo, &cursor_map);588 if (ret)589 goto err_unref;590 591 ret = qxl_bo_pin_and_vmap(user_bo, &user_map);592 if (ret)593 goto err_unmap;594 595 cursor.header.unique = 0;596 cursor.header.type = SPICE_CURSOR_TYPE_ALPHA;597 cursor.header.width = 64;598 cursor.header.height = 64;599 cursor.header.hot_spot_x = hot_x;600 cursor.header.hot_spot_y = hot_y;601 cursor.data_size = size;602 cursor.chunk.next_chunk = 0;603 cursor.chunk.prev_chunk = 0;604 cursor.chunk.data_size = size;605 if (cursor_map.is_iomem) {606 memcpy_toio(cursor_map.vaddr_iomem,607 &cursor, sizeof(cursor));608 memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor),609 user_map.vaddr, size);610 } else {611 memcpy(cursor_map.vaddr,612 &cursor, sizeof(cursor));613 memcpy(cursor_map.vaddr + sizeof(cursor),614 user_map.vaddr, size);615 }616 617 qxl_bo_vunmap_and_unpin(user_bo);618 qxl_bo_vunmap_and_unpin(cursor_bo);619 return cursor_bo;620 621err_unmap:622 qxl_bo_vunmap_and_unpin(cursor_bo);623err_unref:624 qxl_bo_unpin(cursor_bo);625 qxl_bo_unref(&cursor_bo);626err:627 return NULL;628}629 630static void qxl_free_cursor(struct qxl_bo *cursor_bo)631{632 if (!cursor_bo)633 return;634 635 qxl_bo_unpin(cursor_bo);636 qxl_bo_unref(&cursor_bo);637}638 639static void qxl_primary_atomic_update(struct drm_plane *plane,640 struct drm_atomic_state *state)641{642 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,643 plane);644 struct qxl_device *qdev = to_qxl(plane->dev);645 struct qxl_bo *bo = gem_to_qxl_bo(new_state->fb->obj[0]);646 struct qxl_bo *primary;647 struct drm_clip_rect norect = {648 .x1 = 0,649 .y1 = 0,650 .x2 = new_state->fb->width,651 .y2 = new_state->fb->height652 };653 uint32_t dumb_shadow_offset = 0;654 655 primary = bo->shadow ? bo->shadow : bo;656 657 if (!primary->is_primary) {658 if (qdev->primary_bo)659 qxl_io_destroy_primary(qdev);660 qxl_io_create_primary(qdev, primary);661 qxl_primary_apply_cursor(qdev, plane->state);662 }663 664 if (bo->is_dumb)665 dumb_shadow_offset =666 qdev->dumb_heads[new_state->crtc->index].x;667 668 qxl_draw_dirty_fb(qdev, new_state->fb, bo, 0, 0, &norect, 1, 1,669 dumb_shadow_offset);670}671 672static void qxl_primary_atomic_disable(struct drm_plane *plane,673 struct drm_atomic_state *state)674{675 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,676 plane);677 struct qxl_device *qdev = to_qxl(plane->dev);678 679 if (old_state->fb) {680 struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);681 682 if (bo->shadow)683 bo = bo->shadow;684 if (bo->is_primary)685 qxl_io_destroy_primary(qdev);686 }687}688 689static void qxl_cursor_atomic_update(struct drm_plane *plane,690 struct drm_atomic_state *state)691{692 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,693 plane);694 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,695 plane);696 struct qxl_device *qdev = to_qxl(plane->dev);697 struct drm_framebuffer *fb = new_state->fb;698 699 if (fb != old_state->fb) {700 qxl_primary_apply_cursor(qdev, new_state);701 } else {702 qxl_primary_move_cursor(qdev, new_state);703 }704}705 706static void qxl_cursor_atomic_disable(struct drm_plane *plane,707 struct drm_atomic_state *state)708{709 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,710 plane);711 struct qxl_device *qdev = to_qxl(plane->dev);712 struct qxl_crtc *qcrtc;713 struct qxl_release *release;714 struct qxl_cursor_cmd *cmd;715 int ret;716 717 ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),718 QXL_RELEASE_CURSOR_CMD,719 &release, NULL);720 if (ret)721 return;722 723 ret = qxl_release_reserve_list(release, true);724 if (ret) {725 qxl_release_free(qdev, release);726 return;727 }728 729 cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);730 cmd->type = QXL_CURSOR_HIDE;731 qxl_release_unmap(qdev, release, &cmd->release_info);732 733 qxl_release_fence_buffer_objects(release);734 qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);735 736 qcrtc = to_qxl_crtc(old_state->crtc);737 qxl_free_cursor(qcrtc->cursor_bo);738 qcrtc->cursor_bo = NULL;739}740 741static void qxl_update_dumb_head(struct qxl_device *qdev,742 int index, struct qxl_bo *bo)743{744 uint32_t width, height;745 746 if (index >= qdev->monitors_config->max_allowed)747 return;748 749 if (bo && bo->is_dumb) {750 width = bo->surf.width;751 height = bo->surf.height;752 } else {753 width = 0;754 height = 0;755 }756 757 if (qdev->dumb_heads[index].width == width &&758 qdev->dumb_heads[index].height == height)759 return;760 761 DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,762 qdev->dumb_heads[index].width,763 qdev->dumb_heads[index].height,764 width, height);765 qdev->dumb_heads[index].width = width;766 qdev->dumb_heads[index].height = height;767}768 769static void qxl_calc_dumb_shadow(struct qxl_device *qdev,770 struct qxl_surface *surf)771{772 struct qxl_head *head;773 int i;774 775 memset(surf, 0, sizeof(*surf));776 for (i = 0; i < qdev->monitors_config->max_allowed; i++) {777 head = qdev->dumb_heads + i;778 head->x = surf->width;779 surf->width += head->width;780 if (surf->height < head->height)781 surf->height = head->height;782 }783 if (surf->width < 64)784 surf->width = 64;785 if (surf->height < 64)786 surf->height = 64;787 surf->format = SPICE_SURFACE_FMT_32_xRGB;788 surf->stride = surf->width * 4;789 790 if (!qdev->dumb_shadow_bo ||791 qdev->dumb_shadow_bo->surf.width != surf->width ||792 qdev->dumb_shadow_bo->surf.height != surf->height)793 DRM_DEBUG("%dx%d\n", surf->width, surf->height);794}795 796static void qxl_prepare_shadow(struct qxl_device *qdev, struct qxl_bo *user_bo,797 int crtc_index)798{799 struct qxl_surface surf;800 801 qxl_update_dumb_head(qdev, crtc_index,802 user_bo);803 qxl_calc_dumb_shadow(qdev, &surf);804 if (!qdev->dumb_shadow_bo ||805 qdev->dumb_shadow_bo->surf.width != surf.width ||806 qdev->dumb_shadow_bo->surf.height != surf.height) {807 if (qdev->dumb_shadow_bo) {808 qxl_bo_unpin(qdev->dumb_shadow_bo);809 drm_gem_object_put810 (&qdev->dumb_shadow_bo->tbo.base);811 qdev->dumb_shadow_bo = NULL;812 }813 qxl_bo_create(qdev, surf.height * surf.stride,814 true, true, QXL_GEM_DOMAIN_SURFACE, 0,815 &surf, &qdev->dumb_shadow_bo);816 }817 if (user_bo->shadow != qdev->dumb_shadow_bo) {818 if (user_bo->shadow) {819 qxl_bo_unpin(user_bo->shadow);820 drm_gem_object_put821 (&user_bo->shadow->tbo.base);822 user_bo->shadow = NULL;823 }824 drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);825 user_bo->shadow = qdev->dumb_shadow_bo;826 qxl_bo_pin(user_bo->shadow);827 }828}829 830static int qxl_plane_prepare_fb(struct drm_plane *plane,831 struct drm_plane_state *new_state)832{833 struct qxl_device *qdev = to_qxl(plane->dev);834 struct drm_gem_object *obj;835 struct qxl_bo *user_bo;836 int ret;837 838 if (!new_state->fb)839 return 0;840 841 obj = new_state->fb->obj[0];842 user_bo = gem_to_qxl_bo(obj);843 844 if (plane->type == DRM_PLANE_TYPE_PRIMARY &&845 user_bo->is_dumb) {846 qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index);847 }848 849 if (plane->type == DRM_PLANE_TYPE_CURSOR &&850 plane->state->fb != new_state->fb) {851 struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc);852 struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo;853 854 qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo,855 new_state->hotspot_x,856 new_state->hotspot_y);857 qxl_free_cursor(old_cursor_bo);858 }859 860 ret = qxl_bo_pin(user_bo);861 if (ret)862 return ret;863 864 return drm_gem_plane_helper_prepare_fb(plane, new_state);865}866 867static void qxl_plane_cleanup_fb(struct drm_plane *plane,868 struct drm_plane_state *old_state)869{870 struct drm_gem_object *obj;871 struct qxl_bo *user_bo;872 873 if (!old_state->fb) {874 /*875 * we never executed prepare_fb, so there's nothing to876 * unpin.877 */878 return;879 }880 881 obj = old_state->fb->obj[0];882 user_bo = gem_to_qxl_bo(obj);883 qxl_bo_unpin(user_bo);884 885 if (old_state->fb != plane->state->fb && user_bo->shadow) {886 qxl_bo_unpin(user_bo->shadow);887 drm_gem_object_put(&user_bo->shadow->tbo.base);888 user_bo->shadow = NULL;889 }890}891 892static const uint32_t qxl_cursor_plane_formats[] = {893 DRM_FORMAT_ARGB8888,894};895 896static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {897 .atomic_update = qxl_cursor_atomic_update,898 .atomic_disable = qxl_cursor_atomic_disable,899 .prepare_fb = qxl_plane_prepare_fb,900 .cleanup_fb = qxl_plane_cleanup_fb,901};902 903static const struct drm_plane_funcs qxl_cursor_plane_funcs = {904 .update_plane = drm_atomic_helper_update_plane,905 .disable_plane = drm_atomic_helper_disable_plane,906 .destroy = drm_plane_helper_destroy,907 .reset = drm_atomic_helper_plane_reset,908 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,909 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,910};911 912static const uint32_t qxl_primary_plane_formats[] = {913 DRM_FORMAT_XRGB8888,914 DRM_FORMAT_ARGB8888,915};916 917static const struct drm_plane_helper_funcs primary_helper_funcs = {918 .atomic_check = qxl_primary_atomic_check,919 .atomic_update = qxl_primary_atomic_update,920 .atomic_disable = qxl_primary_atomic_disable,921 .prepare_fb = qxl_plane_prepare_fb,922 .cleanup_fb = qxl_plane_cleanup_fb,923};924 925static const struct drm_plane_funcs qxl_primary_plane_funcs = {926 .update_plane = drm_atomic_helper_update_plane,927 .disable_plane = drm_atomic_helper_disable_plane,928 .destroy = drm_plane_helper_destroy,929 .reset = drm_atomic_helper_plane_reset,930 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,931 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,932};933 934static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,935 unsigned int possible_crtcs,936 enum drm_plane_type type)937{938 const struct drm_plane_helper_funcs *helper_funcs = NULL;939 struct drm_plane *plane;940 const struct drm_plane_funcs *funcs;941 const uint32_t *formats;942 int num_formats;943 int err;944 945 if (type == DRM_PLANE_TYPE_PRIMARY) {946 funcs = &qxl_primary_plane_funcs;947 formats = qxl_primary_plane_formats;948 num_formats = ARRAY_SIZE(qxl_primary_plane_formats);949 helper_funcs = &primary_helper_funcs;950 } else if (type == DRM_PLANE_TYPE_CURSOR) {951 funcs = &qxl_cursor_plane_funcs;952 formats = qxl_cursor_plane_formats;953 helper_funcs = &qxl_cursor_helper_funcs;954 num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);955 } else {956 return ERR_PTR(-EINVAL);957 }958 959 plane = kzalloc(sizeof(*plane), GFP_KERNEL);960 if (!plane)961 return ERR_PTR(-ENOMEM);962 963 err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,964 funcs, formats, num_formats,965 NULL, type, NULL);966 if (err)967 goto free_plane;968 969 drm_plane_helper_add(plane, helper_funcs);970 971 return plane;972 973free_plane:974 kfree(plane);975 return ERR_PTR(-EINVAL);976}977 978static int qdev_crtc_init(struct drm_device *dev, int crtc_id)979{980 struct qxl_crtc *qxl_crtc;981 struct drm_plane *primary, *cursor;982 struct qxl_device *qdev = to_qxl(dev);983 int r;984 985 qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);986 if (!qxl_crtc)987 return -ENOMEM;988 989 primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);990 if (IS_ERR(primary)) {991 r = -ENOMEM;992 goto free_mem;993 }994 995 cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);996 if (IS_ERR(cursor)) {997 r = -ENOMEM;998 goto clean_primary;999 }1000 1001 r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,1002 &qxl_crtc_funcs, NULL);1003 if (r)1004 goto clean_cursor;1005 1006 qxl_crtc->index = crtc_id;1007 drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);1008 return 0;1009 1010clean_cursor:1011 drm_plane_cleanup(cursor);1012 kfree(cursor);1013clean_primary:1014 drm_plane_cleanup(primary);1015 kfree(primary);1016free_mem:1017 kfree(qxl_crtc);1018 return r;1019}1020 1021static int qxl_conn_get_modes(struct drm_connector *connector)1022{1023 struct drm_device *dev = connector->dev;1024 struct qxl_device *qdev = to_qxl(dev);1025 struct qxl_output *output = drm_connector_to_qxl_output(connector);1026 unsigned int pwidth = 1024;1027 unsigned int pheight = 768;1028 int ret = 0;1029 1030 if (qdev->client_monitors_config) {1031 struct qxl_head *head;1032 head = &qdev->client_monitors_config->heads[output->index];1033 if (head->width)1034 pwidth = head->width;1035 if (head->height)1036 pheight = head->height;1037 }1038 1039 ret += drm_add_modes_noedid(connector, 8192, 8192);1040 ret += qxl_add_extra_modes(connector);1041 ret += qxl_add_monitors_config_modes(connector);1042 drm_set_preferred_mode(connector, pwidth, pheight);1043 return ret;1044}1045 1046static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,1047 struct drm_display_mode *mode)1048{1049 struct drm_device *ddev = connector->dev;1050 struct qxl_device *qdev = to_qxl(ddev);1051 1052 if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)1053 return MODE_BAD;1054 1055 return MODE_OK;1056}1057 1058static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)1059{1060 struct qxl_output *qxl_output =1061 drm_connector_to_qxl_output(connector);1062 1063 DRM_DEBUG("\n");1064 return &qxl_output->enc;1065}1066 1067static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {1068 .get_modes = qxl_conn_get_modes,1069 .mode_valid = qxl_conn_mode_valid,1070 .best_encoder = qxl_best_encoder,1071};1072 1073static enum drm_connector_status qxl_conn_detect(1074 struct drm_connector *connector,1075 bool force)1076{1077 struct qxl_output *output =1078 drm_connector_to_qxl_output(connector);1079 struct drm_device *ddev = connector->dev;1080 struct qxl_device *qdev = to_qxl(ddev);1081 bool connected = false;1082 1083 /* The first monitor is always connected */1084 if (!qdev->client_monitors_config) {1085 if (output->index == 0)1086 connected = true;1087 } else1088 connected = qdev->client_monitors_config->count > output->index &&1089 qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);1090 1091 DRM_DEBUG("#%d connected: %d\n", output->index, connected);1092 1093 return connected ? connector_status_connected1094 : connector_status_disconnected;1095}1096 1097static void qxl_conn_destroy(struct drm_connector *connector)1098{1099 struct qxl_output *qxl_output =1100 drm_connector_to_qxl_output(connector);1101 1102 drm_connector_unregister(connector);1103 drm_connector_cleanup(connector);1104 kfree(qxl_output);1105}1106 1107static const struct drm_connector_funcs qxl_connector_funcs = {1108 .detect = qxl_conn_detect,1109 .fill_modes = drm_helper_probe_single_connector_modes,1110 .destroy = qxl_conn_destroy,1111 .reset = drm_atomic_helper_connector_reset,1112 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,1113 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,1114};1115 1116static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)1117{1118 if (qdev->hotplug_mode_update_property)1119 return 0;1120 1121 qdev->hotplug_mode_update_property =1122 drm_property_create_range(&qdev->ddev, DRM_MODE_PROP_IMMUTABLE,1123 "hotplug_mode_update", 0, 1);1124 1125 return 0;1126}1127 1128static int qdev_output_init(struct drm_device *dev, int num_output)1129{1130 struct qxl_device *qdev = to_qxl(dev);1131 struct qxl_output *qxl_output;1132 struct drm_connector *connector;1133 struct drm_encoder *encoder;1134 int ret;1135 1136 qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);1137 if (!qxl_output)1138 return -ENOMEM;1139 1140 qxl_output->index = num_output;1141 1142 connector = &qxl_output->base;1143 encoder = &qxl_output->enc;1144 drm_connector_init(dev, &qxl_output->base,1145 &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);1146 1147 ret = drm_simple_encoder_init(dev, &qxl_output->enc,1148 DRM_MODE_ENCODER_VIRTUAL);1149 if (ret) {1150 drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",1151 ret);1152 goto err_drm_connector_cleanup;1153 }1154 1155 /* we get HPD via client monitors config */1156 connector->polled = DRM_CONNECTOR_POLL_HPD;1157 encoder->possible_crtcs = 1 << num_output;1158 drm_connector_attach_encoder(&qxl_output->base,1159 &qxl_output->enc);1160 drm_connector_helper_add(connector, &qxl_connector_helper_funcs);1161 1162 drm_object_attach_property(&connector->base,1163 qdev->hotplug_mode_update_property, 0);1164 drm_object_attach_property(&connector->base,1165 dev->mode_config.suggested_x_property, 0);1166 drm_object_attach_property(&connector->base,1167 dev->mode_config.suggested_y_property, 0);1168 return 0;1169 1170err_drm_connector_cleanup:1171 drm_connector_cleanup(&qxl_output->base);1172 kfree(qxl_output);1173 return ret;1174}1175 1176static struct drm_framebuffer *1177qxl_user_framebuffer_create(struct drm_device *dev,1178 struct drm_file *file_priv,1179 const struct drm_mode_fb_cmd2 *mode_cmd)1180{1181 return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd,1182 &qxl_fb_funcs);1183}1184 1185static const struct drm_mode_config_funcs qxl_mode_funcs = {1186 .fb_create = qxl_user_framebuffer_create,1187 .atomic_check = drm_atomic_helper_check,1188 .atomic_commit = drm_atomic_helper_commit,1189};1190 1191int qxl_create_monitors_object(struct qxl_device *qdev)1192{1193 int ret;1194 struct drm_gem_object *gobj;1195 struct iosys_map map;1196 int monitors_config_size = sizeof(struct qxl_monitors_config) +1197 qxl_num_crtc * sizeof(struct qxl_head);1198 1199 ret = qxl_gem_object_create(qdev, monitors_config_size, 0,1200 QXL_GEM_DOMAIN_VRAM,1201 false, false, NULL, &gobj);1202 if (ret) {1203 DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);1204 return -ENOMEM;1205 }1206 qdev->monitors_config_bo = gem_to_qxl_bo(gobj);1207 1208 ret = qxl_bo_pin_and_vmap(qdev->monitors_config_bo, &map);1209 if (ret)1210 return ret;1211 1212 qdev->monitors_config = qdev->monitors_config_bo->kptr;1213 qdev->ram_header->monitors_config =1214 qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);1215 1216 memset(qdev->monitors_config, 0, monitors_config_size);1217 qdev->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]),1218 GFP_KERNEL);1219 if (!qdev->dumb_heads) {1220 qxl_destroy_monitors_object(qdev);1221 return -ENOMEM;1222 }1223 return 0;1224}1225 1226int qxl_destroy_monitors_object(struct qxl_device *qdev)1227{1228 int ret;1229 1230 if (!qdev->monitors_config_bo)1231 return 0;1232 1233 kfree(qdev->dumb_heads);1234 qdev->dumb_heads = NULL;1235 1236 qdev->monitors_config = NULL;1237 qdev->ram_header->monitors_config = 0;1238 1239 ret = qxl_bo_vunmap_and_unpin(qdev->monitors_config_bo);1240 if (ret)1241 return ret;1242 1243 qxl_bo_unref(&qdev->monitors_config_bo);1244 return 0;1245}1246 1247int qxl_modeset_init(struct qxl_device *qdev)1248{1249 int i;1250 int ret;1251 1252 ret = drmm_mode_config_init(&qdev->ddev);1253 if (ret)1254 return ret;1255 1256 ret = qxl_create_monitors_object(qdev);1257 if (ret)1258 return ret;1259 1260 qdev->ddev.mode_config.funcs = (void *)&qxl_mode_funcs;1261 1262 /* modes will be validated against the framebuffer size */1263 qdev->ddev.mode_config.min_width = 0;1264 qdev->ddev.mode_config.min_height = 0;1265 qdev->ddev.mode_config.max_width = 8192;1266 qdev->ddev.mode_config.max_height = 8192;1267 1268 drm_mode_create_suggested_offset_properties(&qdev->ddev);1269 qxl_mode_create_hotplug_mode_update_property(qdev);1270 1271 for (i = 0 ; i < qxl_num_crtc; ++i) {1272 qdev_crtc_init(&qdev->ddev, i);1273 qdev_output_init(&qdev->ddev, i);1274 }1275 1276 qxl_display_read_client_monitors_config(qdev);1277 1278 drm_mode_config_reset(&qdev->ddev);1279 return 0;1280}1281 1282void qxl_modeset_fini(struct qxl_device *qdev)1283{1284 if (qdev->dumb_shadow_bo) {1285 qxl_bo_unpin(qdev->dumb_shadow_bo);1286 drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);1287 qdev->dumb_shadow_bo = NULL;1288 }1289 qxl_destroy_monitors_object(qdev);1290}1291