Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 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 | /* QXL cmd/ring handling */ |
| 27 | |
| 28 | #include "qxl_drv.h" |
| 29 | #include "qxl_object.h" |
| 30 | |
| 31 | static int qxl_reap_surface_id(struct qxl_device *qdev, int max_to_reap); |
| 32 | |
| 33 | struct ring { |
| 34 | struct qxl_ring_header header; |
| 35 | uint8_t elements[0]; |
| 36 | }; |
| 37 | |
| 38 | struct qxl_ring { |
| 39 | struct ring *ring; |
| 40 | int element_size; |
| 41 | int n_elements; |
| 42 | int prod_notify; |
| 43 | wait_queue_head_t *push_event; |
| 44 | spinlock_t lock; |
| 45 | }; |
| 46 | |
| 47 | void qxl_ring_free(struct qxl_ring *ring) |
| 48 | { |
| 49 | kfree(ring); |
| 50 | } |
| 51 | |
Dave Airlie | 1e20911 | 2013-07-04 14:58:45 +1000 | [diff] [blame] | 52 | void qxl_ring_init_hdr(struct qxl_ring *ring) |
| 53 | { |
| 54 | ring->ring->header.notify_on_prod = ring->n_elements; |
| 55 | } |
| 56 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 57 | struct qxl_ring * |
| 58 | qxl_ring_create(struct qxl_ring_header *header, |
| 59 | int element_size, |
| 60 | int n_elements, |
| 61 | int prod_notify, |
| 62 | bool set_prod_notify, |
| 63 | wait_queue_head_t *push_event) |
| 64 | { |
| 65 | struct qxl_ring *ring; |
| 66 | |
| 67 | ring = kmalloc(sizeof(*ring), GFP_KERNEL); |
| 68 | if (!ring) |
| 69 | return NULL; |
| 70 | |
| 71 | ring->ring = (struct ring *)header; |
| 72 | ring->element_size = element_size; |
| 73 | ring->n_elements = n_elements; |
| 74 | ring->prod_notify = prod_notify; |
| 75 | ring->push_event = push_event; |
| 76 | if (set_prod_notify) |
Dave Airlie | 1e20911 | 2013-07-04 14:58:45 +1000 | [diff] [blame] | 77 | qxl_ring_init_hdr(ring); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 78 | spin_lock_init(&ring->lock); |
| 79 | return ring; |
| 80 | } |
| 81 | |
| 82 | static int qxl_check_header(struct qxl_ring *ring) |
| 83 | { |
| 84 | int ret; |
| 85 | struct qxl_ring_header *header = &(ring->ring->header); |
| 86 | unsigned long flags; |
| 87 | spin_lock_irqsave(&ring->lock, flags); |
| 88 | ret = header->prod - header->cons < header->num_items; |
| 89 | if (ret == 0) |
| 90 | header->notify_on_cons = header->cons + 1; |
| 91 | spin_unlock_irqrestore(&ring->lock, flags); |
| 92 | return ret; |
| 93 | } |
| 94 | |
Dave Airlie | 1e20911 | 2013-07-04 14:58:45 +1000 | [diff] [blame] | 95 | int qxl_check_idle(struct qxl_ring *ring) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 96 | { |
| 97 | int ret; |
| 98 | struct qxl_ring_header *header = &(ring->ring->header); |
| 99 | unsigned long flags; |
| 100 | spin_lock_irqsave(&ring->lock, flags); |
| 101 | ret = header->prod == header->cons; |
| 102 | spin_unlock_irqrestore(&ring->lock, flags); |
| 103 | return ret; |
| 104 | } |
| 105 | |
| 106 | int qxl_ring_push(struct qxl_ring *ring, |
| 107 | const void *new_elt, bool interruptible) |
| 108 | { |
| 109 | struct qxl_ring_header *header = &(ring->ring->header); |
| 110 | uint8_t *elt; |
| 111 | int idx, ret; |
| 112 | unsigned long flags; |
| 113 | spin_lock_irqsave(&ring->lock, flags); |
| 114 | if (header->prod - header->cons == header->num_items) { |
| 115 | header->notify_on_cons = header->cons + 1; |
| 116 | mb(); |
| 117 | spin_unlock_irqrestore(&ring->lock, flags); |
| 118 | if (!drm_can_sleep()) { |
| 119 | while (!qxl_check_header(ring)) |
| 120 | udelay(1); |
| 121 | } else { |
| 122 | if (interruptible) { |
| 123 | ret = wait_event_interruptible(*ring->push_event, |
| 124 | qxl_check_header(ring)); |
| 125 | if (ret) |
| 126 | return ret; |
| 127 | } else { |
| 128 | wait_event(*ring->push_event, |
| 129 | qxl_check_header(ring)); |
| 130 | } |
| 131 | |
| 132 | } |
| 133 | spin_lock_irqsave(&ring->lock, flags); |
| 134 | } |
| 135 | |
| 136 | idx = header->prod & (ring->n_elements - 1); |
| 137 | elt = ring->ring->elements + idx * ring->element_size; |
| 138 | |
| 139 | memcpy((void *)elt, new_elt, ring->element_size); |
| 140 | |
| 141 | header->prod++; |
| 142 | |
| 143 | mb(); |
| 144 | |
| 145 | if (header->prod == header->notify_on_prod) |
| 146 | outb(0, ring->prod_notify); |
| 147 | |
| 148 | spin_unlock_irqrestore(&ring->lock, flags); |
| 149 | return 0; |
| 150 | } |
| 151 | |
Dave Airlie | 6d01f1f | 2013-04-16 13:24:25 +1000 | [diff] [blame] | 152 | static bool qxl_ring_pop(struct qxl_ring *ring, |
| 153 | void *element) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 154 | { |
| 155 | volatile struct qxl_ring_header *header = &(ring->ring->header); |
| 156 | volatile uint8_t *ring_elt; |
| 157 | int idx; |
| 158 | unsigned long flags; |
| 159 | spin_lock_irqsave(&ring->lock, flags); |
| 160 | if (header->cons == header->prod) { |
| 161 | header->notify_on_prod = header->cons + 1; |
| 162 | spin_unlock_irqrestore(&ring->lock, flags); |
| 163 | return false; |
| 164 | } |
| 165 | |
| 166 | idx = header->cons & (ring->n_elements - 1); |
| 167 | ring_elt = ring->ring->elements + idx * ring->element_size; |
| 168 | |
| 169 | memcpy(element, (void *)ring_elt, ring->element_size); |
| 170 | |
| 171 | header->cons++; |
| 172 | |
| 173 | spin_unlock_irqrestore(&ring->lock, flags); |
| 174 | return true; |
| 175 | } |
| 176 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 177 | int |
| 178 | qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release, |
| 179 | uint32_t type, bool interruptible) |
| 180 | { |
| 181 | struct qxl_command cmd; |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 182 | struct qxl_bo_list *entry = list_first_entry(&release->bos, struct qxl_bo_list, tv.head); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 183 | |
| 184 | cmd.type = type; |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 185 | cmd.data = qxl_bo_physical_address(qdev, to_qxl_bo(entry->tv.bo), release->release_offset); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 186 | |
| 187 | return qxl_ring_push(qdev->command_ring, &cmd, interruptible); |
| 188 | } |
| 189 | |
| 190 | int |
| 191 | qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release, |
| 192 | uint32_t type, bool interruptible) |
| 193 | { |
| 194 | struct qxl_command cmd; |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 195 | struct qxl_bo_list *entry = list_first_entry(&release->bos, struct qxl_bo_list, tv.head); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 196 | |
| 197 | cmd.type = type; |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 198 | cmd.data = qxl_bo_physical_address(qdev, to_qxl_bo(entry->tv.bo), release->release_offset); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 199 | |
| 200 | return qxl_ring_push(qdev->cursor_ring, &cmd, interruptible); |
| 201 | } |
| 202 | |
| 203 | bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush) |
| 204 | { |
| 205 | if (!qxl_check_idle(qdev->release_ring)) { |
Bhaktipriya Shridhar | 7b2d16f | 2016-07-02 16:32:09 +0530 | [diff] [blame] | 206 | schedule_work(&qdev->gc_work); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 207 | if (flush) |
| 208 | flush_work(&qdev->gc_work); |
| 209 | return true; |
| 210 | } |
| 211 | return false; |
| 212 | } |
| 213 | |
| 214 | int qxl_garbage_collect(struct qxl_device *qdev) |
| 215 | { |
| 216 | struct qxl_release *release; |
| 217 | uint64_t id, next_id; |
| 218 | int i = 0; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 219 | union qxl_release_info *info; |
| 220 | |
| 221 | while (qxl_ring_pop(qdev->release_ring, &id)) { |
| 222 | QXL_INFO(qdev, "popped %lld\n", id); |
| 223 | while (id) { |
| 224 | release = qxl_release_from_id_locked(qdev, id); |
| 225 | if (release == NULL) |
| 226 | break; |
| 227 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 228 | info = qxl_release_map(qdev, release); |
| 229 | next_id = info->next; |
| 230 | qxl_release_unmap(qdev, release, info); |
| 231 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 232 | QXL_INFO(qdev, "popped %lld, next %lld\n", id, |
| 233 | next_id); |
| 234 | |
| 235 | switch (release->type) { |
| 236 | case QXL_RELEASE_DRAWABLE: |
| 237 | case QXL_RELEASE_SURFACE_CMD: |
| 238 | case QXL_RELEASE_CURSOR_CMD: |
| 239 | break; |
| 240 | default: |
| 241 | DRM_ERROR("unexpected release type\n"); |
| 242 | break; |
| 243 | } |
| 244 | id = next_id; |
| 245 | |
| 246 | qxl_release_free(qdev, release); |
| 247 | ++i; |
| 248 | } |
| 249 | } |
| 250 | |
Frediano Ziglio | 72ec565 | 2015-06-03 12:09:16 +0100 | [diff] [blame] | 251 | QXL_INFO(qdev, "%s: %d\n", __func__, i); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 252 | |
| 253 | return i; |
| 254 | } |
| 255 | |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 256 | int qxl_alloc_bo_reserved(struct qxl_device *qdev, |
| 257 | struct qxl_release *release, |
| 258 | unsigned long size, |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 259 | struct qxl_bo **_bo) |
| 260 | { |
| 261 | struct qxl_bo *bo; |
| 262 | int ret; |
| 263 | |
| 264 | ret = qxl_bo_create(qdev, size, false /* not kernel - device */, |
Dave Airlie | 4f49ec9 | 2013-07-23 14:06:07 +1000 | [diff] [blame] | 265 | false, QXL_GEM_DOMAIN_VRAM, NULL, &bo); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 266 | if (ret) { |
| 267 | DRM_ERROR("failed to allocate VRAM BO\n"); |
| 268 | return ret; |
| 269 | } |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 270 | ret = qxl_release_list_add(release, bo); |
| 271 | if (ret) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 272 | goto out_unref; |
| 273 | |
| 274 | *_bo = bo; |
| 275 | return 0; |
| 276 | out_unref: |
| 277 | qxl_bo_unref(&bo); |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 278 | return ret; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 279 | } |
| 280 | |
Dave Airlie | a6ac1bc | 2013-05-14 02:13:24 +0100 | [diff] [blame] | 281 | static int wait_for_io_cmd_user(struct qxl_device *qdev, uint8_t val, long port, bool intr) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 282 | { |
| 283 | int irq_num; |
| 284 | long addr = qdev->io_base + port; |
| 285 | int ret; |
| 286 | |
| 287 | mutex_lock(&qdev->async_io_mutex); |
| 288 | irq_num = atomic_read(&qdev->irq_received_io_cmd); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 289 | if (qdev->last_sent_io_cmd > irq_num) { |
Dave Airlie | a6ac1bc | 2013-05-14 02:13:24 +0100 | [diff] [blame] | 290 | if (intr) |
| 291 | ret = wait_event_interruptible_timeout(qdev->io_cmd_event, |
| 292 | atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); |
| 293 | else |
| 294 | ret = wait_event_timeout(qdev->io_cmd_event, |
| 295 | atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); |
| 296 | /* 0 is timeout, just bail the "hw" has gone away */ |
| 297 | if (ret <= 0) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 298 | goto out; |
| 299 | irq_num = atomic_read(&qdev->irq_received_io_cmd); |
| 300 | } |
| 301 | outb(val, addr); |
| 302 | qdev->last_sent_io_cmd = irq_num + 1; |
Dave Airlie | a6ac1bc | 2013-05-14 02:13:24 +0100 | [diff] [blame] | 303 | if (intr) |
| 304 | ret = wait_event_interruptible_timeout(qdev->io_cmd_event, |
| 305 | atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); |
| 306 | else |
| 307 | ret = wait_event_timeout(qdev->io_cmd_event, |
| 308 | atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 309 | out: |
Dave Airlie | a6ac1bc | 2013-05-14 02:13:24 +0100 | [diff] [blame] | 310 | if (ret > 0) |
| 311 | ret = 0; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 312 | mutex_unlock(&qdev->async_io_mutex); |
| 313 | return ret; |
| 314 | } |
| 315 | |
| 316 | static void wait_for_io_cmd(struct qxl_device *qdev, uint8_t val, long port) |
| 317 | { |
| 318 | int ret; |
| 319 | |
| 320 | restart: |
Dave Airlie | a6ac1bc | 2013-05-14 02:13:24 +0100 | [diff] [blame] | 321 | ret = wait_for_io_cmd_user(qdev, val, port, false); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 322 | if (ret == -ERESTARTSYS) |
| 323 | goto restart; |
| 324 | } |
| 325 | |
| 326 | int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf, |
| 327 | const struct qxl_rect *area) |
| 328 | { |
| 329 | int surface_id; |
| 330 | uint32_t surface_width, surface_height; |
| 331 | int ret; |
| 332 | |
| 333 | if (!surf->hw_surf_alloc) |
| 334 | DRM_ERROR("got io update area with no hw surface\n"); |
| 335 | |
| 336 | if (surf->is_primary) |
| 337 | surface_id = 0; |
| 338 | else |
| 339 | surface_id = surf->surface_id; |
| 340 | surface_width = surf->surf.width; |
| 341 | surface_height = surf->surf.height; |
| 342 | |
| 343 | if (area->left < 0 || area->top < 0 || |
| 344 | area->right > surface_width || area->bottom > surface_height) { |
| 345 | qxl_io_log(qdev, "%s: not doing area update for " |
| 346 | "%d, (%d,%d,%d,%d) (%d,%d)\n", __func__, surface_id, area->left, |
| 347 | area->top, area->right, area->bottom, surface_width, surface_height); |
| 348 | return -EINVAL; |
| 349 | } |
| 350 | mutex_lock(&qdev->update_area_mutex); |
| 351 | qdev->ram_header->update_area = *area; |
| 352 | qdev->ram_header->update_surface = surface_id; |
Dave Airlie | a6ac1bc | 2013-05-14 02:13:24 +0100 | [diff] [blame] | 353 | ret = wait_for_io_cmd_user(qdev, 0, QXL_IO_UPDATE_AREA_ASYNC, true); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 354 | mutex_unlock(&qdev->update_area_mutex); |
| 355 | return ret; |
| 356 | } |
| 357 | |
| 358 | void qxl_io_notify_oom(struct qxl_device *qdev) |
| 359 | { |
| 360 | outb(0, qdev->io_base + QXL_IO_NOTIFY_OOM); |
| 361 | } |
| 362 | |
| 363 | void qxl_io_flush_release(struct qxl_device *qdev) |
| 364 | { |
| 365 | outb(0, qdev->io_base + QXL_IO_FLUSH_RELEASE); |
| 366 | } |
| 367 | |
| 368 | void qxl_io_flush_surfaces(struct qxl_device *qdev) |
| 369 | { |
| 370 | wait_for_io_cmd(qdev, 0, QXL_IO_FLUSH_SURFACES_ASYNC); |
| 371 | } |
| 372 | |
| 373 | |
| 374 | void qxl_io_destroy_primary(struct qxl_device *qdev) |
| 375 | { |
| 376 | wait_for_io_cmd(qdev, 0, QXL_IO_DESTROY_PRIMARY_ASYNC); |
| 377 | } |
| 378 | |
Dave Airlie | 07f8d9b | 2013-07-02 06:37:13 +0100 | [diff] [blame] | 379 | void qxl_io_create_primary(struct qxl_device *qdev, |
| 380 | unsigned offset, struct qxl_bo *bo) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 381 | { |
| 382 | struct qxl_surface_create *create; |
| 383 | |
| 384 | QXL_INFO(qdev, "%s: qdev %p, ram_header %p\n", __func__, qdev, |
| 385 | qdev->ram_header); |
| 386 | create = &qdev->ram_header->create_surface; |
| 387 | create->format = bo->surf.format; |
Dave Airlie | 07f8d9b | 2013-07-02 06:37:13 +0100 | [diff] [blame] | 388 | create->width = bo->surf.width; |
| 389 | create->height = bo->surf.height; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 390 | create->stride = bo->surf.stride; |
| 391 | create->mem = qxl_bo_physical_address(qdev, bo, offset); |
| 392 | |
| 393 | QXL_INFO(qdev, "%s: mem = %llx, from %p\n", __func__, create->mem, |
| 394 | bo->kptr); |
| 395 | |
| 396 | create->flags = QXL_SURF_FLAG_KEEP_DATA; |
| 397 | create->type = QXL_SURF_TYPE_PRIMARY; |
| 398 | |
| 399 | wait_for_io_cmd(qdev, 0, QXL_IO_CREATE_PRIMARY_ASYNC); |
| 400 | } |
| 401 | |
| 402 | void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id) |
| 403 | { |
| 404 | QXL_INFO(qdev, "qxl_memslot_add %d\n", id); |
| 405 | wait_for_io_cmd(qdev, id, QXL_IO_MEMSLOT_ADD_ASYNC); |
| 406 | } |
| 407 | |
| 408 | void qxl_io_log(struct qxl_device *qdev, const char *fmt, ...) |
| 409 | { |
| 410 | va_list args; |
| 411 | |
| 412 | va_start(args, fmt); |
| 413 | vsnprintf(qdev->ram_header->log_buf, QXL_LOG_BUF_SIZE, fmt, args); |
| 414 | va_end(args); |
| 415 | /* |
| 416 | * DO not do a DRM output here - this will call printk, which will |
| 417 | * call back into qxl for rendering (qxl_fb) |
| 418 | */ |
| 419 | outb(0, qdev->io_base + QXL_IO_LOG); |
| 420 | } |
| 421 | |
| 422 | void qxl_io_reset(struct qxl_device *qdev) |
| 423 | { |
| 424 | outb(0, qdev->io_base + QXL_IO_RESET); |
| 425 | } |
| 426 | |
| 427 | void qxl_io_monitors_config(struct qxl_device *qdev) |
| 428 | { |
| 429 | qxl_io_log(qdev, "%s: %d [%dx%d+%d+%d]\n", __func__, |
| 430 | qdev->monitors_config ? |
| 431 | qdev->monitors_config->count : -1, |
| 432 | qdev->monitors_config && qdev->monitors_config->count ? |
| 433 | qdev->monitors_config->heads[0].width : -1, |
| 434 | qdev->monitors_config && qdev->monitors_config->count ? |
| 435 | qdev->monitors_config->heads[0].height : -1, |
| 436 | qdev->monitors_config && qdev->monitors_config->count ? |
| 437 | qdev->monitors_config->heads[0].x : -1, |
| 438 | qdev->monitors_config && qdev->monitors_config->count ? |
| 439 | qdev->monitors_config->heads[0].y : -1 |
| 440 | ); |
| 441 | |
| 442 | wait_for_io_cmd(qdev, 0, QXL_IO_MONITORS_CONFIG_ASYNC); |
| 443 | } |
| 444 | |
| 445 | int qxl_surface_id_alloc(struct qxl_device *qdev, |
| 446 | struct qxl_bo *surf) |
| 447 | { |
Dave Airlie | 307b9c0 | 2013-05-03 10:37:20 +1000 | [diff] [blame] | 448 | uint32_t handle; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 449 | int idr_ret; |
| 450 | int count = 0; |
| 451 | again: |
Dave Airlie | 307b9c0 | 2013-05-03 10:37:20 +1000 | [diff] [blame] | 452 | idr_preload(GFP_ATOMIC); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 453 | spin_lock(&qdev->surf_id_idr_lock); |
Dave Airlie | 307b9c0 | 2013-05-03 10:37:20 +1000 | [diff] [blame] | 454 | idr_ret = idr_alloc(&qdev->surf_id_idr, NULL, 1, 0, GFP_NOWAIT); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 455 | spin_unlock(&qdev->surf_id_idr_lock); |
Dave Airlie | 307b9c0 | 2013-05-03 10:37:20 +1000 | [diff] [blame] | 456 | idr_preload_end(); |
| 457 | if (idr_ret < 0) |
| 458 | return idr_ret; |
| 459 | handle = idr_ret; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 460 | |
| 461 | if (handle >= qdev->rom->n_surfaces) { |
| 462 | count++; |
| 463 | spin_lock(&qdev->surf_id_idr_lock); |
| 464 | idr_remove(&qdev->surf_id_idr, handle); |
| 465 | spin_unlock(&qdev->surf_id_idr_lock); |
| 466 | qxl_reap_surface_id(qdev, 2); |
| 467 | goto again; |
| 468 | } |
| 469 | surf->surface_id = handle; |
| 470 | |
| 471 | spin_lock(&qdev->surf_id_idr_lock); |
| 472 | qdev->last_alloced_surf_id = handle; |
| 473 | spin_unlock(&qdev->surf_id_idr_lock); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 474 | return 0; |
| 475 | } |
| 476 | |
| 477 | void qxl_surface_id_dealloc(struct qxl_device *qdev, |
| 478 | uint32_t surface_id) |
| 479 | { |
| 480 | spin_lock(&qdev->surf_id_idr_lock); |
| 481 | idr_remove(&qdev->surf_id_idr, surface_id); |
| 482 | spin_unlock(&qdev->surf_id_idr_lock); |
| 483 | } |
| 484 | |
| 485 | int qxl_hw_surface_alloc(struct qxl_device *qdev, |
| 486 | struct qxl_bo *surf, |
| 487 | struct ttm_mem_reg *new_mem) |
| 488 | { |
| 489 | struct qxl_surface_cmd *cmd; |
| 490 | struct qxl_release *release; |
| 491 | int ret; |
| 492 | |
| 493 | if (surf->hw_surf_alloc) |
| 494 | return 0; |
| 495 | |
| 496 | ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_CREATE, |
| 497 | NULL, |
| 498 | &release); |
| 499 | if (ret) |
| 500 | return ret; |
| 501 | |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 502 | ret = qxl_release_reserve_list(release, true); |
| 503 | if (ret) |
| 504 | return ret; |
| 505 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 506 | cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release); |
| 507 | cmd->type = QXL_SURFACE_CMD_CREATE; |
Frediano Ziglio | 2fa1953 | 2015-06-03 12:09:09 +0100 | [diff] [blame] | 508 | cmd->flags = QXL_SURF_FLAG_KEEP_DATA; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 509 | cmd->u.surface_create.format = surf->surf.format; |
| 510 | cmd->u.surface_create.width = surf->surf.width; |
| 511 | cmd->u.surface_create.height = surf->surf.height; |
| 512 | cmd->u.surface_create.stride = surf->surf.stride; |
| 513 | if (new_mem) { |
| 514 | int slot_id = surf->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot; |
| 515 | struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]); |
| 516 | |
| 517 | /* TODO - need to hold one of the locks to read tbo.offset */ |
| 518 | cmd->u.surface_create.data = slot->high_bits; |
| 519 | |
| 520 | cmd->u.surface_create.data |= (new_mem->start << PAGE_SHIFT) + surf->tbo.bdev->man[new_mem->mem_type].gpu_offset; |
| 521 | } else |
| 522 | cmd->u.surface_create.data = qxl_bo_physical_address(qdev, surf, 0); |
| 523 | cmd->surface_id = surf->surface_id; |
| 524 | qxl_release_unmap(qdev, release, &cmd->release_info); |
| 525 | |
| 526 | surf->surf_create = release; |
| 527 | |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 528 | /* no need to add a release to the fence for this surface bo, |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 529 | since it is only released when we ask to destroy the surface |
| 530 | and it would never signal otherwise */ |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 531 | qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false); |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 532 | qxl_release_fence_buffer_objects(release); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 533 | |
| 534 | surf->hw_surf_alloc = true; |
| 535 | spin_lock(&qdev->surf_id_idr_lock); |
| 536 | idr_replace(&qdev->surf_id_idr, surf, surf->surface_id); |
| 537 | spin_unlock(&qdev->surf_id_idr_lock); |
| 538 | return 0; |
| 539 | } |
| 540 | |
| 541 | int qxl_hw_surface_dealloc(struct qxl_device *qdev, |
| 542 | struct qxl_bo *surf) |
| 543 | { |
| 544 | struct qxl_surface_cmd *cmd; |
| 545 | struct qxl_release *release; |
| 546 | int ret; |
| 547 | int id; |
| 548 | |
| 549 | if (!surf->hw_surf_alloc) |
| 550 | return 0; |
| 551 | |
| 552 | ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_DESTROY, |
| 553 | surf->surf_create, |
| 554 | &release); |
| 555 | if (ret) |
| 556 | return ret; |
| 557 | |
| 558 | surf->surf_create = NULL; |
| 559 | /* remove the surface from the idr, but not the surface id yet */ |
| 560 | spin_lock(&qdev->surf_id_idr_lock); |
| 561 | idr_replace(&qdev->surf_id_idr, NULL, surf->surface_id); |
| 562 | spin_unlock(&qdev->surf_id_idr_lock); |
| 563 | surf->hw_surf_alloc = false; |
| 564 | |
| 565 | id = surf->surface_id; |
| 566 | surf->surface_id = 0; |
| 567 | |
| 568 | release->surface_release_id = id; |
| 569 | cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release); |
| 570 | cmd->type = QXL_SURFACE_CMD_DESTROY; |
| 571 | cmd->surface_id = id; |
| 572 | qxl_release_unmap(qdev, release, &cmd->release_info); |
| 573 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 574 | qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false); |
| 575 | |
Dave Airlie | 8002db6 | 2013-07-23 14:16:42 +1000 | [diff] [blame] | 576 | qxl_release_fence_buffer_objects(release); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 577 | |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf) |
| 582 | { |
| 583 | struct qxl_rect rect; |
| 584 | int ret; |
| 585 | |
| 586 | /* if we are evicting, we need to make sure the surface is up |
| 587 | to date */ |
| 588 | rect.left = 0; |
| 589 | rect.right = surf->surf.width; |
| 590 | rect.top = 0; |
| 591 | rect.bottom = surf->surf.height; |
| 592 | retry: |
| 593 | ret = qxl_io_update_area(qdev, surf, &rect); |
| 594 | if (ret == -ERESTARTSYS) |
| 595 | goto retry; |
| 596 | return ret; |
| 597 | } |
| 598 | |
Dave Airlie | 6d01f1f | 2013-04-16 13:24:25 +1000 | [diff] [blame] | 599 | static void qxl_surface_evict_locked(struct qxl_device *qdev, struct qxl_bo *surf, bool do_update_area) |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 600 | { |
| 601 | /* no need to update area if we are just freeing the surface normally */ |
| 602 | if (do_update_area) |
| 603 | qxl_update_surface(qdev, surf); |
| 604 | |
| 605 | /* nuke the surface id at the hw */ |
| 606 | qxl_hw_surface_dealloc(qdev, surf); |
| 607 | } |
| 608 | |
| 609 | void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool do_update_area) |
| 610 | { |
| 611 | mutex_lock(&qdev->surf_evict_mutex); |
| 612 | qxl_surface_evict_locked(qdev, surf, do_update_area); |
| 613 | mutex_unlock(&qdev->surf_evict_mutex); |
| 614 | } |
| 615 | |
| 616 | static int qxl_reap_surf(struct qxl_device *qdev, struct qxl_bo *surf, bool stall) |
| 617 | { |
| 618 | int ret; |
| 619 | |
| 620 | ret = qxl_bo_reserve(surf, false); |
Frediano Ziglio | c610c71 | 2015-06-03 12:09:13 +0100 | [diff] [blame] | 621 | if (ret) |
| 622 | return ret; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 623 | |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 624 | if (stall) |
| 625 | mutex_unlock(&qdev->surf_evict_mutex); |
| 626 | |
Christian König | 8aa6d4f | 2016-04-06 11:12:04 +0200 | [diff] [blame] | 627 | ret = ttm_bo_wait(&surf->tbo, true, !stall); |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 628 | |
| 629 | if (stall) |
| 630 | mutex_lock(&qdev->surf_evict_mutex); |
Frediano Ziglio | c610c71 | 2015-06-03 12:09:13 +0100 | [diff] [blame] | 631 | if (ret) { |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 632 | qxl_bo_unreserve(surf); |
Frediano Ziglio | c610c71 | 2015-06-03 12:09:13 +0100 | [diff] [blame] | 633 | return ret; |
Dave Airlie | f64122c | 2013-02-25 14:47:55 +1000 | [diff] [blame] | 634 | } |
| 635 | |
| 636 | qxl_surface_evict_locked(qdev, surf, true); |
| 637 | qxl_bo_unreserve(surf); |
| 638 | return 0; |
| 639 | } |
| 640 | |
| 641 | static int qxl_reap_surface_id(struct qxl_device *qdev, int max_to_reap) |
| 642 | { |
| 643 | int num_reaped = 0; |
| 644 | int i, ret; |
| 645 | bool stall = false; |
| 646 | int start = 0; |
| 647 | |
| 648 | mutex_lock(&qdev->surf_evict_mutex); |
| 649 | again: |
| 650 | |
| 651 | spin_lock(&qdev->surf_id_idr_lock); |
| 652 | start = qdev->last_alloced_surf_id + 1; |
| 653 | spin_unlock(&qdev->surf_id_idr_lock); |
| 654 | |
| 655 | for (i = start; i < start + qdev->rom->n_surfaces; i++) { |
| 656 | void *objptr; |
| 657 | int surfid = i % qdev->rom->n_surfaces; |
| 658 | |
| 659 | /* this avoids the case where the objects is in the |
| 660 | idr but has been evicted half way - its makes |
| 661 | the idr lookup atomic with the eviction */ |
| 662 | spin_lock(&qdev->surf_id_idr_lock); |
| 663 | objptr = idr_find(&qdev->surf_id_idr, surfid); |
| 664 | spin_unlock(&qdev->surf_id_idr_lock); |
| 665 | |
| 666 | if (!objptr) |
| 667 | continue; |
| 668 | |
| 669 | ret = qxl_reap_surf(qdev, objptr, stall); |
| 670 | if (ret == 0) |
| 671 | num_reaped++; |
| 672 | if (num_reaped >= max_to_reap) |
| 673 | break; |
| 674 | } |
| 675 | if (num_reaped == 0 && stall == false) { |
| 676 | stall = true; |
| 677 | goto again; |
| 678 | } |
| 679 | |
| 680 | mutex_unlock(&qdev->surf_evict_mutex); |
| 681 | if (num_reaped) { |
| 682 | usleep_range(500, 1000); |
| 683 | qxl_queue_garbage_collect(qdev, true); |
| 684 | } |
| 685 | |
| 686 | return 0; |
| 687 | } |