1 /* 2 * Copyright © 2008 Intel Corporation 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 (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 * Authors: 24 * Eric Anholt <eric@anholt.net> 25 * Keith Packard <keithp@keithp.com> 26 * 27 */ 28 29 #include <linux/seq_file.h> 30 #include <linux/debugfs.h> 31 #include <linux/slab.h> 32 #include "drmP.h" 33 #include "drm.h" 34 #include "intel_drv.h" 35 #include "intel_ringbuffer.h" 36 #include "i915_drm.h" 37 #include "i915_drv.h" 38 39 #define DRM_I915_RING_DEBUG 1 40 41 42 #if defined(CONFIG_DEBUG_FS) 43 44 enum { 45 ACTIVE_LIST, 46 FLUSHING_LIST, 47 INACTIVE_LIST, 48 PINNED_LIST, 49 DEFERRED_FREE_LIST, 50 }; 51 52 static const char *yesno(int v) 53 { 54 return v ? "yes" : "no"; 55 } 56 57 static int i915_capabilities(struct seq_file *m, void *data) 58 { 59 struct drm_info_node *node = (struct drm_info_node *) m->private; 60 struct drm_device *dev = node->minor->dev; 61 const struct intel_device_info *info = INTEL_INFO(dev); 62 63 seq_printf(m, "gen: %d\n", info->gen); 64 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x)) 65 B(is_mobile); 66 B(is_i85x); 67 B(is_i915g); 68 B(is_i945gm); 69 B(is_g33); 70 B(need_gfx_hws); 71 B(is_g4x); 72 B(is_pineview); 73 B(is_broadwater); 74 B(is_crestline); 75 B(has_fbc); 76 B(has_pipe_cxsr); 77 B(has_hotplug); 78 B(cursor_needs_physical); 79 B(has_overlay); 80 B(overlay_needs_physical); 81 B(supports_tv); 82 B(has_bsd_ring); 83 B(has_blt_ring); 84 #undef B 85 86 return 0; 87 } 88 89 static const char *get_pin_flag(struct drm_i915_gem_object *obj) 90 { 91 if (obj->user_pin_count > 0) 92 return "P"; 93 else if (obj->pin_count > 0) 94 return "p"; 95 else 96 return " "; 97 } 98 99 static const char *get_tiling_flag(struct drm_i915_gem_object *obj) 100 { 101 switch (obj->tiling_mode) { 102 default: 103 case I915_TILING_NONE: return " "; 104 case I915_TILING_X: return "X"; 105 case I915_TILING_Y: return "Y"; 106 } 107 } 108 109 static const char *agp_type_str(int type) 110 { 111 switch (type) { 112 case 0: return " uncached"; 113 case 1: return " snooped"; 114 default: return ""; 115 } 116 } 117 118 static void 119 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) 120 { 121 seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s%s", 122 &obj->base, 123 get_pin_flag(obj), 124 get_tiling_flag(obj), 125 obj->base.size, 126 obj->base.read_domains, 127 obj->base.write_domain, 128 obj->last_rendering_seqno, 129 obj->last_fenced_seqno, 130 agp_type_str(obj->agp_type == AGP_USER_CACHED_MEMORY), 131 obj->dirty ? " dirty" : "", 132 obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); 133 if (obj->base.name) 134 seq_printf(m, " (name: %d)", obj->base.name); 135 if (obj->fence_reg != I915_FENCE_REG_NONE) 136 seq_printf(m, " (fence: %d)", obj->fence_reg); 137 if (obj->gtt_space != NULL) 138 seq_printf(m, " (gtt offset: %08x, size: %08x)", 139 obj->gtt_offset, (unsigned int)obj->gtt_space->size); 140 if (obj->pin_mappable || obj->fault_mappable) { 141 char s[3], *t = s; 142 if (obj->pin_mappable) 143 *t++ = 'p'; 144 if (obj->fault_mappable) 145 *t++ = 'f'; 146 *t = '\0'; 147 seq_printf(m, " (%s mappable)", s); 148 } 149 if (obj->ring != NULL) 150 seq_printf(m, " (%s)", obj->ring->name); 151 } 152 153 static int i915_gem_object_list_info(struct seq_file *m, void *data) 154 { 155 struct drm_info_node *node = (struct drm_info_node *) m->private; 156 uintptr_t list = (uintptr_t) node->info_ent->data; 157 struct list_head *head; 158 struct drm_device *dev = node->minor->dev; 159 drm_i915_private_t *dev_priv = dev->dev_private; 160 struct drm_i915_gem_object *obj; 161 size_t total_obj_size, total_gtt_size; 162 int count, ret; 163 164 ret = mutex_lock_interruptible(&dev->struct_mutex); 165 if (ret) 166 return ret; 167 168 switch (list) { 169 case ACTIVE_LIST: 170 seq_printf(m, "Active:\n"); 171 head = &dev_priv->mm.active_list; 172 break; 173 case INACTIVE_LIST: 174 seq_printf(m, "Inactive:\n"); 175 head = &dev_priv->mm.inactive_list; 176 break; 177 case PINNED_LIST: 178 seq_printf(m, "Pinned:\n"); 179 head = &dev_priv->mm.pinned_list; 180 break; 181 case FLUSHING_LIST: 182 seq_printf(m, "Flushing:\n"); 183 head = &dev_priv->mm.flushing_list; 184 break; 185 case DEFERRED_FREE_LIST: 186 seq_printf(m, "Deferred free:\n"); 187 head = &dev_priv->mm.deferred_free_list; 188 break; 189 default: 190 mutex_unlock(&dev->struct_mutex); 191 return -EINVAL; 192 } 193 194 total_obj_size = total_gtt_size = count = 0; 195 list_for_each_entry(obj, head, mm_list) { 196 seq_printf(m, " "); 197 describe_obj(m, obj); 198 seq_printf(m, "\n"); 199 total_obj_size += obj->base.size; 200 total_gtt_size += obj->gtt_space->size; 201 count++; 202 } 203 mutex_unlock(&dev->struct_mutex); 204 205 seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", 206 count, total_obj_size, total_gtt_size); 207 return 0; 208 } 209 210 #define count_objects(list, member) do { \ 211 list_for_each_entry(obj, list, member) { \ 212 size += obj->gtt_space->size; \ 213 ++count; \ 214 if (obj->map_and_fenceable) { \ 215 mappable_size += obj->gtt_space->size; \ 216 ++mappable_count; \ 217 } \ 218 } \ 219 } while(0) 220 221 static int i915_gem_object_info(struct seq_file *m, void* data) 222 { 223 struct drm_info_node *node = (struct drm_info_node *) m->private; 224 struct drm_device *dev = node->minor->dev; 225 struct drm_i915_private *dev_priv = dev->dev_private; 226 u32 count, mappable_count; 227 size_t size, mappable_size; 228 struct drm_i915_gem_object *obj; 229 int ret; 230 231 ret = mutex_lock_interruptible(&dev->struct_mutex); 232 if (ret) 233 return ret; 234 235 seq_printf(m, "%u objects, %zu bytes\n", 236 dev_priv->mm.object_count, 237 dev_priv->mm.object_memory); 238 239 size = count = mappable_size = mappable_count = 0; 240 count_objects(&dev_priv->mm.gtt_list, gtt_list); 241 seq_printf(m, "%u [%u] objects, %zu [%zu] bytes in gtt\n", 242 count, mappable_count, size, mappable_size); 243 244 size = count = mappable_size = mappable_count = 0; 245 count_objects(&dev_priv->mm.active_list, mm_list); 246 count_objects(&dev_priv->mm.flushing_list, mm_list); 247 seq_printf(m, " %u [%u] active objects, %zu [%zu] bytes\n", 248 count, mappable_count, size, mappable_size); 249 250 size = count = mappable_size = mappable_count = 0; 251 count_objects(&dev_priv->mm.pinned_list, mm_list); 252 seq_printf(m, " %u [%u] pinned objects, %zu [%zu] bytes\n", 253 count, mappable_count, size, mappable_size); 254 255 size = count = mappable_size = mappable_count = 0; 256 count_objects(&dev_priv->mm.inactive_list, mm_list); 257 seq_printf(m, " %u [%u] inactive objects, %zu [%zu] bytes\n", 258 count, mappable_count, size, mappable_size); 259 260 size = count = mappable_size = mappable_count = 0; 261 count_objects(&dev_priv->mm.deferred_free_list, mm_list); 262 seq_printf(m, " %u [%u] freed objects, %zu [%zu] bytes\n", 263 count, mappable_count, size, mappable_size); 264 265 size = count = mappable_size = mappable_count = 0; 266 list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) { 267 if (obj->fault_mappable) { 268 size += obj->gtt_space->size; 269 ++count; 270 } 271 if (obj->pin_mappable) { 272 mappable_size += obj->gtt_space->size; 273 ++mappable_count; 274 } 275 } 276 seq_printf(m, "%u pinned mappable objects, %zu bytes\n", 277 mappable_count, mappable_size); 278 seq_printf(m, "%u fault mappable objects, %zu bytes\n", 279 count, size); 280 281 seq_printf(m, "%zu [%zu] gtt total\n", 282 dev_priv->mm.gtt_total, dev_priv->mm.mappable_gtt_total); 283 284 mutex_unlock(&dev->struct_mutex); 285 286 return 0; 287 } 288 289 static int i915_gem_gtt_info(struct seq_file *m, void* data) 290 { 291 struct drm_info_node *node = (struct drm_info_node *) m->private; 292 struct drm_device *dev = node->minor->dev; 293 struct drm_i915_private *dev_priv = dev->dev_private; 294 struct drm_i915_gem_object *obj; 295 size_t total_obj_size, total_gtt_size; 296 int count, ret; 297 298 ret = mutex_lock_interruptible(&dev->struct_mutex); 299 if (ret) 300 return ret; 301 302 total_obj_size = total_gtt_size = count = 0; 303 list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) { 304 seq_printf(m, " "); 305 describe_obj(m, obj); 306 seq_printf(m, "\n"); 307 total_obj_size += obj->base.size; 308 total_gtt_size += obj->gtt_space->size; 309 count++; 310 } 311 312 mutex_unlock(&dev->struct_mutex); 313 314 seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", 315 count, total_obj_size, total_gtt_size); 316 317 return 0; 318 } 319 320 321 static int i915_gem_pageflip_info(struct seq_file *m, void *data) 322 { 323 struct drm_info_node *node = (struct drm_info_node *) m->private; 324 struct drm_device *dev = node->minor->dev; 325 unsigned long flags; 326 struct intel_crtc *crtc; 327 328 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { 329 const char pipe = pipe_name(crtc->pipe); 330 const char plane = plane_name(crtc->plane); 331 struct intel_unpin_work *work; 332 333 spin_lock_irqsave(&dev->event_lock, flags); 334 work = crtc->unpin_work; 335 if (work == NULL) { 336 seq_printf(m, "No flip due on pipe %c (plane %c)\n", 337 pipe, plane); 338 } else { 339 if (!work->pending) { 340 seq_printf(m, "Flip queued on pipe %c (plane %c)\n", 341 pipe, plane); 342 } else { 343 seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n", 344 pipe, plane); 345 } 346 if (work->enable_stall_check) 347 seq_printf(m, "Stall check enabled, "); 348 else 349 seq_printf(m, "Stall check waiting for page flip ioctl, "); 350 seq_printf(m, "%d prepares\n", work->pending); 351 352 if (work->old_fb_obj) { 353 struct drm_i915_gem_object *obj = work->old_fb_obj; 354 if (obj) 355 seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj->gtt_offset); 356 } 357 if (work->pending_flip_obj) { 358 struct drm_i915_gem_object *obj = work->pending_flip_obj; 359 if (obj) 360 seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj->gtt_offset); 361 } 362 } 363 spin_unlock_irqrestore(&dev->event_lock, flags); 364 } 365 366 return 0; 367 } 368 369 static int i915_gem_request_info(struct seq_file *m, void *data) 370 { 371 struct drm_info_node *node = (struct drm_info_node *) m->private; 372 struct drm_device *dev = node->minor->dev; 373 drm_i915_private_t *dev_priv = dev->dev_private; 374 struct drm_i915_gem_request *gem_request; 375 int ret, count; 376 377 ret = mutex_lock_interruptible(&dev->struct_mutex); 378 if (ret) 379 return ret; 380 381 count = 0; 382 if (!list_empty(&dev_priv->ring[RCS].request_list)) { 383 seq_printf(m, "Render requests:\n"); 384 list_for_each_entry(gem_request, 385 &dev_priv->ring[RCS].request_list, 386 list) { 387 seq_printf(m, " %d @ %d\n", 388 gem_request->seqno, 389 (int) (jiffies - gem_request->emitted_jiffies)); 390 } 391 count++; 392 } 393 if (!list_empty(&dev_priv->ring[VCS].request_list)) { 394 seq_printf(m, "BSD requests:\n"); 395 list_for_each_entry(gem_request, 396 &dev_priv->ring[VCS].request_list, 397 list) { 398 seq_printf(m, " %d @ %d\n", 399 gem_request->seqno, 400 (int) (jiffies - gem_request->emitted_jiffies)); 401 } 402 count++; 403 } 404 if (!list_empty(&dev_priv->ring[BCS].request_list)) { 405 seq_printf(m, "BLT requests:\n"); 406 list_for_each_entry(gem_request, 407 &dev_priv->ring[BCS].request_list, 408 list) { 409 seq_printf(m, " %d @ %d\n", 410 gem_request->seqno, 411 (int) (jiffies - gem_request->emitted_jiffies)); 412 } 413 count++; 414 } 415 mutex_unlock(&dev->struct_mutex); 416 417 if (count == 0) 418 seq_printf(m, "No requests\n"); 419 420 return 0; 421 } 422 423 static void i915_ring_seqno_info(struct seq_file *m, 424 struct intel_ring_buffer *ring) 425 { 426 if (ring->get_seqno) { 427 seq_printf(m, "Current sequence (%s): %d\n", 428 ring->name, ring->get_seqno(ring)); 429 seq_printf(m, "Waiter sequence (%s): %d\n", 430 ring->name, ring->waiting_seqno); 431 seq_printf(m, "IRQ sequence (%s): %d\n", 432 ring->name, ring->irq_seqno); 433 } 434 } 435 436 static int i915_gem_seqno_info(struct seq_file *m, void *data) 437 { 438 struct drm_info_node *node = (struct drm_info_node *) m->private; 439 struct drm_device *dev = node->minor->dev; 440 drm_i915_private_t *dev_priv = dev->dev_private; 441 int ret, i; 442 443 ret = mutex_lock_interruptible(&dev->struct_mutex); 444 if (ret) 445 return ret; 446 447 for (i = 0; i < I915_NUM_RINGS; i++) 448 i915_ring_seqno_info(m, &dev_priv->ring[i]); 449 450 mutex_unlock(&dev->struct_mutex); 451 452 return 0; 453 } 454 455 456 static int i915_interrupt_info(struct seq_file *m, void *data) 457 { 458 struct drm_info_node *node = (struct drm_info_node *) m->private; 459 struct drm_device *dev = node->minor->dev; 460 drm_i915_private_t *dev_priv = dev->dev_private; 461 int ret, i, pipe; 462 463 ret = mutex_lock_interruptible(&dev->struct_mutex); 464 if (ret) 465 return ret; 466 467 if (!HAS_PCH_SPLIT(dev)) { 468 seq_printf(m, "Interrupt enable: %08x\n", 469 I915_READ(IER)); 470 seq_printf(m, "Interrupt identity: %08x\n", 471 I915_READ(IIR)); 472 seq_printf(m, "Interrupt mask: %08x\n", 473 I915_READ(IMR)); 474 for_each_pipe(pipe) 475 seq_printf(m, "Pipe %c stat: %08x\n", 476 pipe_name(pipe), 477 I915_READ(PIPESTAT(pipe))); 478 } else { 479 seq_printf(m, "North Display Interrupt enable: %08x\n", 480 I915_READ(DEIER)); 481 seq_printf(m, "North Display Interrupt identity: %08x\n", 482 I915_READ(DEIIR)); 483 seq_printf(m, "North Display Interrupt mask: %08x\n", 484 I915_READ(DEIMR)); 485 seq_printf(m, "South Display Interrupt enable: %08x\n", 486 I915_READ(SDEIER)); 487 seq_printf(m, "South Display Interrupt identity: %08x\n", 488 I915_READ(SDEIIR)); 489 seq_printf(m, "South Display Interrupt mask: %08x\n", 490 I915_READ(SDEIMR)); 491 seq_printf(m, "Graphics Interrupt enable: %08x\n", 492 I915_READ(GTIER)); 493 seq_printf(m, "Graphics Interrupt identity: %08x\n", 494 I915_READ(GTIIR)); 495 seq_printf(m, "Graphics Interrupt mask: %08x\n", 496 I915_READ(GTIMR)); 497 } 498 seq_printf(m, "Interrupts received: %d\n", 499 atomic_read(&dev_priv->irq_received)); 500 for (i = 0; i < I915_NUM_RINGS; i++) { 501 if (IS_GEN6(dev)) { 502 seq_printf(m, "Graphics Interrupt mask (%s): %08x\n", 503 dev_priv->ring[i].name, 504 I915_READ_IMR(&dev_priv->ring[i])); 505 } 506 i915_ring_seqno_info(m, &dev_priv->ring[i]); 507 } 508 mutex_unlock(&dev->struct_mutex); 509 510 return 0; 511 } 512 513 static int i915_gem_fence_regs_info(struct seq_file *m, void *data) 514 { 515 struct drm_info_node *node = (struct drm_info_node *) m->private; 516 struct drm_device *dev = node->minor->dev; 517 drm_i915_private_t *dev_priv = dev->dev_private; 518 int i, ret; 519 520 ret = mutex_lock_interruptible(&dev->struct_mutex); 521 if (ret) 522 return ret; 523 524 seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start); 525 seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); 526 for (i = 0; i < dev_priv->num_fence_regs; i++) { 527 struct drm_i915_gem_object *obj = dev_priv->fence_regs[i].obj; 528 529 seq_printf(m, "Fenced object[%2d] = ", i); 530 if (obj == NULL) 531 seq_printf(m, "unused"); 532 else 533 describe_obj(m, obj); 534 seq_printf(m, "\n"); 535 } 536 537 mutex_unlock(&dev->struct_mutex); 538 return 0; 539 } 540 541 static int i915_hws_info(struct seq_file *m, void *data) 542 { 543 struct drm_info_node *node = (struct drm_info_node *) m->private; 544 struct drm_device *dev = node->minor->dev; 545 drm_i915_private_t *dev_priv = dev->dev_private; 546 struct intel_ring_buffer *ring; 547 const volatile u32 __iomem *hws; 548 int i; 549 550 ring = &dev_priv->ring[(uintptr_t)node->info_ent->data]; 551 hws = (volatile u32 __iomem *)ring->status_page.page_addr; 552 if (hws == NULL) 553 return 0; 554 555 for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { 556 seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", 557 i * 4, 558 hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); 559 } 560 return 0; 561 } 562 563 static void i915_dump_object(struct seq_file *m, 564 struct io_mapping *mapping, 565 struct drm_i915_gem_object *obj) 566 { 567 int page, page_count, i; 568 569 page_count = obj->base.size / PAGE_SIZE; 570 for (page = 0; page < page_count; page++) { 571 u32 *mem = io_mapping_map_wc(mapping, 572 obj->gtt_offset + page * PAGE_SIZE); 573 for (i = 0; i < PAGE_SIZE; i += 4) 574 seq_printf(m, "%08x : %08x\n", i, mem[i / 4]); 575 io_mapping_unmap(mem); 576 } 577 } 578 579 static int i915_batchbuffer_info(struct seq_file *m, void *data) 580 { 581 struct drm_info_node *node = (struct drm_info_node *) m->private; 582 struct drm_device *dev = node->minor->dev; 583 drm_i915_private_t *dev_priv = dev->dev_private; 584 struct drm_i915_gem_object *obj; 585 int ret; 586 587 ret = mutex_lock_interruptible(&dev->struct_mutex); 588 if (ret) 589 return ret; 590 591 list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) { 592 if (obj->base.read_domains & I915_GEM_DOMAIN_COMMAND) { 593 seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset); 594 i915_dump_object(m, dev_priv->mm.gtt_mapping, obj); 595 } 596 } 597 598 mutex_unlock(&dev->struct_mutex); 599 return 0; 600 } 601 602 static int i915_ringbuffer_data(struct seq_file *m, void *data) 603 { 604 struct drm_info_node *node = (struct drm_info_node *) m->private; 605 struct drm_device *dev = node->minor->dev; 606 drm_i915_private_t *dev_priv = dev->dev_private; 607 struct intel_ring_buffer *ring; 608 int ret; 609 610 ret = mutex_lock_interruptible(&dev->struct_mutex); 611 if (ret) 612 return ret; 613 614 ring = &dev_priv->ring[(uintptr_t)node->info_ent->data]; 615 if (!ring->obj) { 616 seq_printf(m, "No ringbuffer setup\n"); 617 } else { 618 const u8 __iomem *virt = ring->virtual_start; 619 uint32_t off; 620 621 for (off = 0; off < ring->size; off += 4) { 622 uint32_t *ptr = (uint32_t *)(virt + off); 623 seq_printf(m, "%08x : %08x\n", off, *ptr); 624 } 625 } 626 mutex_unlock(&dev->struct_mutex); 627 628 return 0; 629 } 630 631 static int i915_ringbuffer_info(struct seq_file *m, void *data) 632 { 633 struct drm_info_node *node = (struct drm_info_node *) m->private; 634 struct drm_device *dev = node->minor->dev; 635 drm_i915_private_t *dev_priv = dev->dev_private; 636 struct intel_ring_buffer *ring; 637 638 ring = &dev_priv->ring[(uintptr_t)node->info_ent->data]; 639 if (ring->size == 0) 640 return 0; 641 642 seq_printf(m, "Ring %s:\n", ring->name); 643 seq_printf(m, " Head : %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR); 644 seq_printf(m, " Tail : %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR); 645 seq_printf(m, " Size : %08x\n", ring->size); 646 seq_printf(m, " Active : %08x\n", intel_ring_get_active_head(ring)); 647 seq_printf(m, " NOPID : %08x\n", I915_READ_NOPID(ring)); 648 if (IS_GEN6(dev)) { 649 seq_printf(m, " Sync 0 : %08x\n", I915_READ_SYNC_0(ring)); 650 seq_printf(m, " Sync 1 : %08x\n", I915_READ_SYNC_1(ring)); 651 } 652 seq_printf(m, " Control : %08x\n", I915_READ_CTL(ring)); 653 seq_printf(m, " Start : %08x\n", I915_READ_START(ring)); 654 655 return 0; 656 } 657 658 static const char *ring_str(int ring) 659 { 660 switch (ring) { 661 case RING_RENDER: return " render"; 662 case RING_BSD: return " bsd"; 663 case RING_BLT: return " blt"; 664 default: return ""; 665 } 666 } 667 668 static const char *pin_flag(int pinned) 669 { 670 if (pinned > 0) 671 return " P"; 672 else if (pinned < 0) 673 return " p"; 674 else 675 return ""; 676 } 677 678 static const char *tiling_flag(int tiling) 679 { 680 switch (tiling) { 681 default: 682 case I915_TILING_NONE: return ""; 683 case I915_TILING_X: return " X"; 684 case I915_TILING_Y: return " Y"; 685 } 686 } 687 688 static const char *dirty_flag(int dirty) 689 { 690 return dirty ? " dirty" : ""; 691 } 692 693 static const char *purgeable_flag(int purgeable) 694 { 695 return purgeable ? " purgeable" : ""; 696 } 697 698 static void print_error_buffers(struct seq_file *m, 699 const char *name, 700 struct drm_i915_error_buffer *err, 701 int count) 702 { 703 seq_printf(m, "%s [%d]:\n", name, count); 704 705 while (count--) { 706 seq_printf(m, " %08x %8u %04x %04x %08x%s%s%s%s%s%s", 707 err->gtt_offset, 708 err->size, 709 err->read_domains, 710 err->write_domain, 711 err->seqno, 712 pin_flag(err->pinned), 713 tiling_flag(err->tiling), 714 dirty_flag(err->dirty), 715 purgeable_flag(err->purgeable), 716 ring_str(err->ring), 717 agp_type_str(err->agp_type)); 718 719 if (err->name) 720 seq_printf(m, " (name: %d)", err->name); 721 if (err->fence_reg != I915_FENCE_REG_NONE) 722 seq_printf(m, " (fence: %d)", err->fence_reg); 723 724 seq_printf(m, "\n"); 725 err++; 726 } 727 } 728 729 static int i915_error_state(struct seq_file *m, void *unused) 730 { 731 struct drm_info_node *node = (struct drm_info_node *) m->private; 732 struct drm_device *dev = node->minor->dev; 733 drm_i915_private_t *dev_priv = dev->dev_private; 734 struct drm_i915_error_state *error; 735 unsigned long flags; 736 int i, page, offset, elt; 737 738 spin_lock_irqsave(&dev_priv->error_lock, flags); 739 if (!dev_priv->first_error) { 740 seq_printf(m, "no error state collected\n"); 741 goto out; 742 } 743 744 error = dev_priv->first_error; 745 746 seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec, 747 error->time.tv_usec); 748 seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device); 749 seq_printf(m, "EIR: 0x%08x\n", error->eir); 750 seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er); 751 if (INTEL_INFO(dev)->gen >= 6) { 752 seq_printf(m, "ERROR: 0x%08x\n", error->error); 753 seq_printf(m, "Blitter command stream:\n"); 754 seq_printf(m, " ACTHD: 0x%08x\n", error->bcs_acthd); 755 seq_printf(m, " IPEIR: 0x%08x\n", error->bcs_ipeir); 756 seq_printf(m, " IPEHR: 0x%08x\n", error->bcs_ipehr); 757 seq_printf(m, " INSTDONE: 0x%08x\n", error->bcs_instdone); 758 seq_printf(m, " seqno: 0x%08x\n", error->bcs_seqno); 759 seq_printf(m, "Video (BSD) command stream:\n"); 760 seq_printf(m, " ACTHD: 0x%08x\n", error->vcs_acthd); 761 seq_printf(m, " IPEIR: 0x%08x\n", error->vcs_ipeir); 762 seq_printf(m, " IPEHR: 0x%08x\n", error->vcs_ipehr); 763 seq_printf(m, " INSTDONE: 0x%08x\n", error->vcs_instdone); 764 seq_printf(m, " seqno: 0x%08x\n", error->vcs_seqno); 765 } 766 seq_printf(m, "Render command stream:\n"); 767 seq_printf(m, " ACTHD: 0x%08x\n", error->acthd); 768 seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir); 769 seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr); 770 seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone); 771 if (INTEL_INFO(dev)->gen >= 4) { 772 seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1); 773 seq_printf(m, " INSTPS: 0x%08x\n", error->instps); 774 } 775 seq_printf(m, " INSTPM: 0x%08x\n", error->instpm); 776 seq_printf(m, " seqno: 0x%08x\n", error->seqno); 777 778 for (i = 0; i < 16; i++) 779 seq_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]); 780 781 if (error->active_bo) 782 print_error_buffers(m, "Active", 783 error->active_bo, 784 error->active_bo_count); 785 786 if (error->pinned_bo) 787 print_error_buffers(m, "Pinned", 788 error->pinned_bo, 789 error->pinned_bo_count); 790 791 for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) { 792 if (error->batchbuffer[i]) { 793 struct drm_i915_error_object *obj = error->batchbuffer[i]; 794 795 seq_printf(m, "%s --- gtt_offset = 0x%08x\n", 796 dev_priv->ring[i].name, 797 obj->gtt_offset); 798 offset = 0; 799 for (page = 0; page < obj->page_count; page++) { 800 for (elt = 0; elt < PAGE_SIZE/4; elt++) { 801 seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]); 802 offset += 4; 803 } 804 } 805 } 806 } 807 808 for (i = 0; i < ARRAY_SIZE(error->ringbuffer); i++) { 809 if (error->ringbuffer[i]) { 810 struct drm_i915_error_object *obj = error->ringbuffer[i]; 811 seq_printf(m, "%s --- ringbuffer = 0x%08x\n", 812 dev_priv->ring[i].name, 813 obj->gtt_offset); 814 offset = 0; 815 for (page = 0; page < obj->page_count; page++) { 816 for (elt = 0; elt < PAGE_SIZE/4; elt++) { 817 seq_printf(m, "%08x : %08x\n", 818 offset, 819 obj->pages[page][elt]); 820 offset += 4; 821 } 822 } 823 } 824 } 825 826 if (error->overlay) 827 intel_overlay_print_error_state(m, error->overlay); 828 829 if (error->display) 830 intel_display_print_error_state(m, dev, error->display); 831 832 out: 833 spin_unlock_irqrestore(&dev_priv->error_lock, flags); 834 835 return 0; 836 } 837 838 static int i915_rstdby_delays(struct seq_file *m, void *unused) 839 { 840 struct drm_info_node *node = (struct drm_info_node *) m->private; 841 struct drm_device *dev = node->minor->dev; 842 drm_i915_private_t *dev_priv = dev->dev_private; 843 u16 crstanddelay = I915_READ16(CRSTANDVID); 844 845 seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f)); 846 847 return 0; 848 } 849 850 static int i915_cur_delayinfo(struct seq_file *m, void *unused) 851 { 852 struct drm_info_node *node = (struct drm_info_node *) m->private; 853 struct drm_device *dev = node->minor->dev; 854 drm_i915_private_t *dev_priv = dev->dev_private; 855 856 if (IS_GEN5(dev)) { 857 u16 rgvswctl = I915_READ16(MEMSWCTL); 858 u16 rgvstat = I915_READ16(MEMSTAT_ILK); 859 860 seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); 861 seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); 862 seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> 863 MEMSTAT_VID_SHIFT); 864 seq_printf(m, "Current P-state: %d\n", 865 (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); 866 } else if (IS_GEN6(dev)) { 867 u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); 868 u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); 869 u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); 870 u32 rpstat; 871 u32 rpupei, rpcurup, rpprevup; 872 u32 rpdownei, rpcurdown, rpprevdown; 873 int max_freq; 874 875 /* RPSTAT1 is in the GT power well */ 876 __gen6_gt_force_wake_get(dev_priv); 877 878 rpstat = I915_READ(GEN6_RPSTAT1); 879 rpupei = I915_READ(GEN6_RP_CUR_UP_EI); 880 rpcurup = I915_READ(GEN6_RP_CUR_UP); 881 rpprevup = I915_READ(GEN6_RP_PREV_UP); 882 rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI); 883 rpcurdown = I915_READ(GEN6_RP_CUR_DOWN); 884 rpprevdown = I915_READ(GEN6_RP_PREV_DOWN); 885 886 seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); 887 seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); 888 seq_printf(m, "Render p-state ratio: %d\n", 889 (gt_perf_status & 0xff00) >> 8); 890 seq_printf(m, "Render p-state VID: %d\n", 891 gt_perf_status & 0xff); 892 seq_printf(m, "Render p-state limit: %d\n", 893 rp_state_limits & 0xff); 894 seq_printf(m, "CAGF: %dMHz\n", ((rpstat & GEN6_CAGF_MASK) >> 895 GEN6_CAGF_SHIFT) * 100); 896 seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & 897 GEN6_CURICONT_MASK); 898 seq_printf(m, "RP CUR UP: %dus\n", rpcurup & 899 GEN6_CURBSYTAVG_MASK); 900 seq_printf(m, "RP PREV UP: %dus\n", rpprevup & 901 GEN6_CURBSYTAVG_MASK); 902 seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei & 903 GEN6_CURIAVG_MASK); 904 seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown & 905 GEN6_CURBSYTAVG_MASK); 906 seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown & 907 GEN6_CURBSYTAVG_MASK); 908 909 max_freq = (rp_state_cap & 0xff0000) >> 16; 910 seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", 911 max_freq * 100); 912 913 max_freq = (rp_state_cap & 0xff00) >> 8; 914 seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", 915 max_freq * 100); 916 917 max_freq = rp_state_cap & 0xff; 918 seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", 919 max_freq * 100); 920 921 __gen6_gt_force_wake_put(dev_priv); 922 } else { 923 seq_printf(m, "no P-state info available\n"); 924 } 925 926 return 0; 927 } 928 929 static int i915_delayfreq_table(struct seq_file *m, void *unused) 930 { 931 struct drm_info_node *node = (struct drm_info_node *) m->private; 932 struct drm_device *dev = node->minor->dev; 933 drm_i915_private_t *dev_priv = dev->dev_private; 934 u32 delayfreq; 935 int i; 936 937 for (i = 0; i < 16; i++) { 938 delayfreq = I915_READ(PXVFREQ_BASE + i * 4); 939 seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq, 940 (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT); 941 } 942 943 return 0; 944 } 945 946 static inline int MAP_TO_MV(int map) 947 { 948 return 1250 - (map * 25); 949 } 950 951 static int i915_inttoext_table(struct seq_file *m, void *unused) 952 { 953 struct drm_info_node *node = (struct drm_info_node *) m->private; 954 struct drm_device *dev = node->minor->dev; 955 drm_i915_private_t *dev_priv = dev->dev_private; 956 u32 inttoext; 957 int i; 958 959 for (i = 1; i <= 32; i++) { 960 inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4); 961 seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext); 962 } 963 964 return 0; 965 } 966 967 static int i915_drpc_info(struct seq_file *m, void *unused) 968 { 969 struct drm_info_node *node = (struct drm_info_node *) m->private; 970 struct drm_device *dev = node->minor->dev; 971 drm_i915_private_t *dev_priv = dev->dev_private; 972 u32 rgvmodectl = I915_READ(MEMMODECTL); 973 u32 rstdbyctl = I915_READ(RSTDBYCTL); 974 u16 crstandvid = I915_READ16(CRSTANDVID); 975 976 seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ? 977 "yes" : "no"); 978 seq_printf(m, "Boost freq: %d\n", 979 (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> 980 MEMMODE_BOOST_FREQ_SHIFT); 981 seq_printf(m, "HW control enabled: %s\n", 982 rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no"); 983 seq_printf(m, "SW control enabled: %s\n", 984 rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no"); 985 seq_printf(m, "Gated voltage change: %s\n", 986 rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no"); 987 seq_printf(m, "Starting frequency: P%d\n", 988 (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); 989 seq_printf(m, "Max P-state: P%d\n", 990 (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); 991 seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); 992 seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); 993 seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); 994 seq_printf(m, "Render standby enabled: %s\n", 995 (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes"); 996 seq_printf(m, "Current RS state: "); 997 switch (rstdbyctl & RSX_STATUS_MASK) { 998 case RSX_STATUS_ON: 999 seq_printf(m, "on\n"); 1000 break; 1001 case RSX_STATUS_RC1: 1002 seq_printf(m, "RC1\n"); 1003 break; 1004 case RSX_STATUS_RC1E: 1005 seq_printf(m, "RC1E\n"); 1006 break; 1007 case RSX_STATUS_RS1: 1008 seq_printf(m, "RS1\n"); 1009 break; 1010 case RSX_STATUS_RS2: 1011 seq_printf(m, "RS2 (RC6)\n"); 1012 break; 1013 case RSX_STATUS_RS3: 1014 seq_printf(m, "RC3 (RC6+)\n"); 1015 break; 1016 default: 1017 seq_printf(m, "unknown\n"); 1018 break; 1019 } 1020 1021 return 0; 1022 } 1023 1024 static int i915_fbc_status(struct seq_file *m, void *unused) 1025 { 1026 struct drm_info_node *node = (struct drm_info_node *) m->private; 1027 struct drm_device *dev = node->minor->dev; 1028 drm_i915_private_t *dev_priv = dev->dev_private; 1029 1030 if (!I915_HAS_FBC(dev)) { 1031 seq_printf(m, "FBC unsupported on this chipset\n"); 1032 return 0; 1033 } 1034 1035 if (intel_fbc_enabled(dev)) { 1036 seq_printf(m, "FBC enabled\n"); 1037 } else { 1038 seq_printf(m, "FBC disabled: "); 1039 switch (dev_priv->no_fbc_reason) { 1040 case FBC_NO_OUTPUT: 1041 seq_printf(m, "no outputs"); 1042 break; 1043 case FBC_STOLEN_TOO_SMALL: 1044 seq_printf(m, "not enough stolen memory"); 1045 break; 1046 case FBC_UNSUPPORTED_MODE: 1047 seq_printf(m, "mode not supported"); 1048 break; 1049 case FBC_MODE_TOO_LARGE: 1050 seq_printf(m, "mode too large"); 1051 break; 1052 case FBC_BAD_PLANE: 1053 seq_printf(m, "FBC unsupported on plane"); 1054 break; 1055 case FBC_NOT_TILED: 1056 seq_printf(m, "scanout buffer not tiled"); 1057 break; 1058 case FBC_MULTIPLE_PIPES: 1059 seq_printf(m, "multiple pipes are enabled"); 1060 break; 1061 default: 1062 seq_printf(m, "unknown reason"); 1063 } 1064 seq_printf(m, "\n"); 1065 } 1066 return 0; 1067 } 1068 1069 static int i915_sr_status(struct seq_file *m, void *unused) 1070 { 1071 struct drm_info_node *node = (struct drm_info_node *) m->private; 1072 struct drm_device *dev = node->minor->dev; 1073 drm_i915_private_t *dev_priv = dev->dev_private; 1074 bool sr_enabled = false; 1075 1076 if (HAS_PCH_SPLIT(dev)) 1077 sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; 1078 else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev)) 1079 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; 1080 else if (IS_I915GM(dev)) 1081 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; 1082 else if (IS_PINEVIEW(dev)) 1083 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; 1084 1085 seq_printf(m, "self-refresh: %s\n", 1086 sr_enabled ? "enabled" : "disabled"); 1087 1088 return 0; 1089 } 1090 1091 static int i915_emon_status(struct seq_file *m, void *unused) 1092 { 1093 struct drm_info_node *node = (struct drm_info_node *) m->private; 1094 struct drm_device *dev = node->minor->dev; 1095 drm_i915_private_t *dev_priv = dev->dev_private; 1096 unsigned long temp, chipset, gfx; 1097 int ret; 1098 1099 ret = mutex_lock_interruptible(&dev->struct_mutex); 1100 if (ret) 1101 return ret; 1102 1103 temp = i915_mch_val(dev_priv); 1104 chipset = i915_chipset_val(dev_priv); 1105 gfx = i915_gfx_val(dev_priv); 1106 mutex_unlock(&dev->struct_mutex); 1107 1108 seq_printf(m, "GMCH temp: %ld\n", temp); 1109 seq_printf(m, "Chipset power: %ld\n", chipset); 1110 seq_printf(m, "GFX power: %ld\n", gfx); 1111 seq_printf(m, "Total power: %ld\n", chipset + gfx); 1112 1113 return 0; 1114 } 1115 1116 static int i915_gfxec(struct seq_file *m, void *unused) 1117 { 1118 struct drm_info_node *node = (struct drm_info_node *) m->private; 1119 struct drm_device *dev = node->minor->dev; 1120 drm_i915_private_t *dev_priv = dev->dev_private; 1121 1122 seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4)); 1123 1124 return 0; 1125 } 1126 1127 static int i915_opregion(struct seq_file *m, void *unused) 1128 { 1129 struct drm_info_node *node = (struct drm_info_node *) m->private; 1130 struct drm_device *dev = node->minor->dev; 1131 drm_i915_private_t *dev_priv = dev->dev_private; 1132 struct intel_opregion *opregion = &dev_priv->opregion; 1133 int ret; 1134 1135 ret = mutex_lock_interruptible(&dev->struct_mutex); 1136 if (ret) 1137 return ret; 1138 1139 if (opregion->header) 1140 seq_write(m, opregion->header, OPREGION_SIZE); 1141 1142 mutex_unlock(&dev->struct_mutex); 1143 1144 return 0; 1145 } 1146 1147 static int i915_gem_framebuffer_info(struct seq_file *m, void *data) 1148 { 1149 struct drm_info_node *node = (struct drm_info_node *) m->private; 1150 struct drm_device *dev = node->minor->dev; 1151 drm_i915_private_t *dev_priv = dev->dev_private; 1152 struct intel_fbdev *ifbdev; 1153 struct intel_framebuffer *fb; 1154 int ret; 1155 1156 ret = mutex_lock_interruptible(&dev->mode_config.mutex); 1157 if (ret) 1158 return ret; 1159 1160 ifbdev = dev_priv->fbdev; 1161 fb = to_intel_framebuffer(ifbdev->helper.fb); 1162 1163 seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ", 1164 fb->base.width, 1165 fb->base.height, 1166 fb->base.depth, 1167 fb->base.bits_per_pixel); 1168 describe_obj(m, fb->obj); 1169 seq_printf(m, "\n"); 1170 1171 list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) { 1172 if (&fb->base == ifbdev->helper.fb) 1173 continue; 1174 1175 seq_printf(m, "user size: %d x %d, depth %d, %d bpp, obj ", 1176 fb->base.width, 1177 fb->base.height, 1178 fb->base.depth, 1179 fb->base.bits_per_pixel); 1180 describe_obj(m, fb->obj); 1181 seq_printf(m, "\n"); 1182 } 1183 1184 mutex_unlock(&dev->mode_config.mutex); 1185 1186 return 0; 1187 } 1188 1189 static int 1190 i915_wedged_open(struct inode *inode, 1191 struct file *filp) 1192 { 1193 filp->private_data = inode->i_private; 1194 return 0; 1195 } 1196 1197 static ssize_t 1198 i915_wedged_read(struct file *filp, 1199 char __user *ubuf, 1200 size_t max, 1201 loff_t *ppos) 1202 { 1203 struct drm_device *dev = filp->private_data; 1204 drm_i915_private_t *dev_priv = dev->dev_private; 1205 char buf[80]; 1206 int len; 1207 1208 len = snprintf(buf, sizeof (buf), 1209 "wedged : %d\n", 1210 atomic_read(&dev_priv->mm.wedged)); 1211 1212 if (len > sizeof (buf)) 1213 len = sizeof (buf); 1214 1215 return simple_read_from_buffer(ubuf, max, ppos, buf, len); 1216 } 1217 1218 static ssize_t 1219 i915_wedged_write(struct file *filp, 1220 const char __user *ubuf, 1221 size_t cnt, 1222 loff_t *ppos) 1223 { 1224 struct drm_device *dev = filp->private_data; 1225 char buf[20]; 1226 int val = 1; 1227 1228 if (cnt > 0) { 1229 if (cnt > sizeof (buf) - 1) 1230 return -EINVAL; 1231 1232 if (copy_from_user(buf, ubuf, cnt)) 1233 return -EFAULT; 1234 buf[cnt] = 0; 1235 1236 val = simple_strtoul(buf, NULL, 0); 1237 } 1238 1239 DRM_INFO("Manually setting wedged to %d\n", val); 1240 i915_handle_error(dev, val); 1241 1242 return cnt; 1243 } 1244 1245 static const struct file_operations i915_wedged_fops = { 1246 .owner = THIS_MODULE, 1247 .open = i915_wedged_open, 1248 .read = i915_wedged_read, 1249 .write = i915_wedged_write, 1250 .llseek = default_llseek, 1251 }; 1252 1253 /* As the drm_debugfs_init() routines are called before dev->dev_private is 1254 * allocated we need to hook into the minor for release. */ 1255 static int 1256 drm_add_fake_info_node(struct drm_minor *minor, 1257 struct dentry *ent, 1258 const void *key) 1259 { 1260 struct drm_info_node *node; 1261 1262 node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL); 1263 if (node == NULL) { 1264 debugfs_remove(ent); 1265 return -ENOMEM; 1266 } 1267 1268 node->minor = minor; 1269 node->dent = ent; 1270 node->info_ent = (void *) key; 1271 list_add(&node->list, &minor->debugfs_nodes.list); 1272 1273 return 0; 1274 } 1275 1276 static int i915_wedged_create(struct dentry *root, struct drm_minor *minor) 1277 { 1278 struct drm_device *dev = minor->dev; 1279 struct dentry *ent; 1280 1281 ent = debugfs_create_file("i915_wedged", 1282 S_IRUGO | S_IWUSR, 1283 root, dev, 1284 &i915_wedged_fops); 1285 if (IS_ERR(ent)) 1286 return PTR_ERR(ent); 1287 1288 return drm_add_fake_info_node(minor, ent, &i915_wedged_fops); 1289 } 1290 1291 static struct drm_info_list i915_debugfs_list[] = { 1292 {"i915_capabilities", i915_capabilities, 0}, 1293 {"i915_gem_objects", i915_gem_object_info, 0}, 1294 {"i915_gem_gtt", i915_gem_gtt_info, 0}, 1295 {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, 1296 {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST}, 1297 {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, 1298 {"i915_gem_pinned", i915_gem_object_list_info, 0, (void *) PINNED_LIST}, 1299 {"i915_gem_deferred_free", i915_gem_object_list_info, 0, (void *) DEFERRED_FREE_LIST}, 1300 {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, 1301 {"i915_gem_request", i915_gem_request_info, 0}, 1302 {"i915_gem_seqno", i915_gem_seqno_info, 0}, 1303 {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, 1304 {"i915_gem_interrupt", i915_interrupt_info, 0}, 1305 {"i915_gem_hws", i915_hws_info, 0, (void *)RCS}, 1306 {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS}, 1307 {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS}, 1308 {"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RCS}, 1309 {"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RCS}, 1310 {"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)VCS}, 1311 {"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)VCS}, 1312 {"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BCS}, 1313 {"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BCS}, 1314 {"i915_batchbuffers", i915_batchbuffer_info, 0}, 1315 {"i915_error_state", i915_error_state, 0}, 1316 {"i915_rstdby_delays", i915_rstdby_delays, 0}, 1317 {"i915_cur_delayinfo", i915_cur_delayinfo, 0}, 1318 {"i915_delayfreq_table", i915_delayfreq_table, 0}, 1319 {"i915_inttoext_table", i915_inttoext_table, 0}, 1320 {"i915_drpc_info", i915_drpc_info, 0}, 1321 {"i915_emon_status", i915_emon_status, 0}, 1322 {"i915_gfxec", i915_gfxec, 0}, 1323 {"i915_fbc_status", i915_fbc_status, 0}, 1324 {"i915_sr_status", i915_sr_status, 0}, 1325 {"i915_opregion", i915_opregion, 0}, 1326 {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, 1327 }; 1328 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) 1329 1330 int i915_debugfs_init(struct drm_minor *minor) 1331 { 1332 int ret; 1333 1334 ret = i915_wedged_create(minor->debugfs_root, minor); 1335 if (ret) 1336 return ret; 1337 1338 return drm_debugfs_create_files(i915_debugfs_list, 1339 I915_DEBUGFS_ENTRIES, 1340 minor->debugfs_root, minor); 1341 } 1342 1343 void i915_debugfs_cleanup(struct drm_minor *minor) 1344 { 1345 drm_debugfs_remove_files(i915_debugfs_list, 1346 I915_DEBUGFS_ENTRIES, minor); 1347 drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops, 1348 1, minor); 1349 } 1350 1351 #endif /* CONFIG_DEBUG_FS */ 1352