drivers/gpu/drm/i915/i915_debugfs.c

   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 "i915_drm.h"
  36 #include "i915_drv.h"
  37
  38 #define DRM_I915_RING_DEBUG 1
  39
  40
  41 #if defined(CONFIG_DEBUG_FS)
  42
  43 enum {
  44         ACTIVE_LIST,
  45         FLUSHING_LIST,
  46         INACTIVE_LIST,
  47         PINNED_LIST,
  48         DEFERRED_FREE_LIST,
  49 };
  50
  51 enum {
  52         RENDER_RING,
  53         BSD_RING,
  54         BLT_RING,
  55 };
  56
  57 static const char *yesno(int v)
  58 {
  59         return v ? "yes" : "no";
  60 }
  61
  62 static int i915_capabilities(struct seq_file *m, void *data)
  63 {
  64         struct drm_info_node *node = (struct drm_info_node *) m->private;
  65         struct drm_device *dev = node->minor->dev;
  66         const struct intel_device_info *info = INTEL_INFO(dev);
  67
  68         seq_printf(m, "gen: %d\n", info->gen);
  69 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
  70         B(is_mobile);
  71         B(is_i85x);
  72         B(is_i915g);
  73         B(is_i945gm);
  74         B(is_g33);
  75         B(need_gfx_hws);
  76         B(is_g4x);
  77         B(is_pineview);
  78         B(is_broadwater);
  79         B(is_crestline);
  80         B(has_fbc);
  81         B(has_rc6);
  82         B(has_pipe_cxsr);
  83         B(has_hotplug);
  84         B(cursor_needs_physical);
  85         B(has_overlay);
  86         B(overlay_needs_physical);
  87         B(supports_tv);
  88         B(has_bsd_ring);
  89         B(has_blt_ring);
  90 #undef B
  91
  92         return 0;
  93 }
  94
  95 static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
  96 {
  97         if (obj_priv->user_pin_count > 0)
  98                 return "P";
  99         else if (obj_priv->pin_count > 0)
 100                 return "p";
 101         else
 102                 return " ";
 103 }
 104
 105 static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
 106 {
 107     switch (obj_priv->tiling_mode) {
 108     default:
 109     case I915_TILING_NONE: return " ";
 110     case I915_TILING_X: return "X";
 111     case I915_TILING_Y: return "Y";
 112     }
 113 }
 114
 115 static void
 116 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 117 {
 118         seq_printf(m, "%p: %s%s %8zd %08x %08x %d%s%s",
 119                    &obj->base,
 120                    get_pin_flag(obj),
 121                    get_tiling_flag(obj),
 122                    obj->base.size,
 123                    obj->base.read_domains,
 124                    obj->base.write_domain,
 125                    obj->last_rendering_seqno,
 126                    obj->dirty ? " dirty" : "",
 127                    obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
 128         if (obj->base.name)
 129                 seq_printf(m, " (name: %d)", obj->base.name);
 130         if (obj->fence_reg != I915_FENCE_REG_NONE)
 131                 seq_printf(m, " (fence: %d)", obj->fence_reg);
 132         if (obj->gtt_space != NULL)
 133                 seq_printf(m, " (gtt offset: %08x, size: %08x)",
 134                            obj->gtt_offset, (unsigned int)obj->gtt_space->size);
 135         if (obj->pin_mappable || obj->fault_mappable)
 136                 seq_printf(m, " (mappable)");
 137         if (obj->ring != NULL)
 138                 seq_printf(m, " (%s)", obj->ring->name);
 139 }
 140
 141 static int i915_gem_object_list_info(struct seq_file *m, void *data)
 142 {
 143         struct drm_info_node *node = (struct drm_info_node *) m->private;
 144         uintptr_t list = (uintptr_t) node->info_ent->data;
 145         struct list_head *head;
 146         struct drm_device *dev = node->minor->dev;
 147         drm_i915_private_t *dev_priv = dev->dev_private;
 148         struct drm_i915_gem_object *obj_priv;
 149         size_t total_obj_size, total_gtt_size;
 150         int count, ret;
 151
 152         ret = mutex_lock_interruptible(&dev->struct_mutex);
 153         if (ret)
 154                 return ret;
 155
 156         switch (list) {
 157         case ACTIVE_LIST:
 158                 seq_printf(m, "Active:\n");
 159                 head = &dev_priv->mm.active_list;
 160                 break;
 161         case INACTIVE_LIST:
 162                 seq_printf(m, "Inactive:\n");
 163                 head = &dev_priv->mm.inactive_list;
 164                 break;
 165         case PINNED_LIST:
 166                 seq_printf(m, "Pinned:\n");
 167                 head = &dev_priv->mm.pinned_list;
 168                 break;
 169         case FLUSHING_LIST:
 170                 seq_printf(m, "Flushing:\n");
 171                 head = &dev_priv->mm.flushing_list;
 172                 break;
 173         case DEFERRED_FREE_LIST:
 174                 seq_printf(m, "Deferred free:\n");
 175                 head = &dev_priv->mm.deferred_free_list;
 176                 break;
 177         default:
 178                 mutex_unlock(&dev->struct_mutex);
 179                 return -EINVAL;
 180         }
 181
 182         total_obj_size = total_gtt_size = count = 0;
 183         list_for_each_entry(obj_priv, head, mm_list) {
 184                 seq_printf(m, "   ");
 185                 describe_obj(m, obj_priv);
 186                 seq_printf(m, "\n");
 187                 total_obj_size += obj_priv->base.size;
 188                 total_gtt_size += obj_priv->gtt_space->size;
 189                 count++;
 190         }
 191         mutex_unlock(&dev->struct_mutex);
 192
 193         seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
 194                    count, total_obj_size, total_gtt_size);
 195         return 0;
 196 }
 197
 198 static int i915_gem_object_info(struct seq_file *m, void* data)
 199 {
 200         struct drm_info_node *node = (struct drm_info_node *) m->private;
 201         struct drm_device *dev = node->minor->dev;
 202         struct drm_i915_private *dev_priv = dev->dev_private;
 203         int ret;
 204
 205         ret = mutex_lock_interruptible(&dev->struct_mutex);
 206         if (ret)
 207                 return ret;
 208
 209         seq_printf(m, "%u objects\n", dev_priv->mm.object_count);
 210         seq_printf(m, "%zu object bytes\n", dev_priv->mm.object_memory);
 211         seq_printf(m, "%u pinned\n", dev_priv->mm.pin_count);
 212         seq_printf(m, "%zu pin bytes\n", dev_priv->mm.pin_memory);
 213         seq_printf(m, "%u mappable objects in gtt\n", dev_priv->mm.gtt_mappable_count);
 214         seq_printf(m, "%zu mappable gtt bytes\n", dev_priv->mm.gtt_mappable_memory);
 215         seq_printf(m, "%zu mappable gtt used bytes\n", dev_priv->mm.mappable_gtt_used);
 216         seq_printf(m, "%zu mappable gtt total\n", dev_priv->mm.mappable_gtt_total);
 217         seq_printf(m, "%u objects in gtt\n", dev_priv->mm.gtt_count);
 218         seq_printf(m, "%zu gtt bytes\n", dev_priv->mm.gtt_memory);
 219         seq_printf(m, "%zu gtt total\n", dev_priv->mm.gtt_total);
 220
 221         mutex_unlock(&dev->struct_mutex);
 222
 223         return 0;
 224 }
 225
 226
 227 static int i915_gem_pageflip_info(struct seq_file *m, void *data)
 228 {
 229         struct drm_info_node *node = (struct drm_info_node *) m->private;
 230         struct drm_device *dev = node->minor->dev;
 231         unsigned long flags;
 232         struct intel_crtc *crtc;
 233
 234         list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
 235                 const char *pipe = crtc->pipe ? "B" : "A";
 236                 const char *plane = crtc->plane ? "B" : "A";
 237                 struct intel_unpin_work *work;
 238
 239                 spin_lock_irqsave(&dev->event_lock, flags);
 240                 work = crtc->unpin_work;
 241                 if (work == NULL) {
 242                         seq_printf(m, "No flip due on pipe %s (plane %s)\n",
 243                                    pipe, plane);
 244                 } else {
 245                         if (!work->pending) {
 246                                 seq_printf(m, "Flip queued on pipe %s (plane %s)\n",
 247                                            pipe, plane);
 248                         } else {
 249                                 seq_printf(m, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
 250                                            pipe, plane);
 251                         }
 252                         if (work->enable_stall_check)
 253                                 seq_printf(m, "Stall check enabled, ");
 254                         else
 255                                 seq_printf(m, "Stall check waiting for page flip ioctl, ");
 256                         seq_printf(m, "%d prepares\n", work->pending);
 257
 258                         if (work->old_fb_obj) {
 259                                 struct drm_i915_gem_object *obj_priv = to_intel_bo(work->old_fb_obj);
 260                                 if(obj_priv)
 261                                         seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj_priv->gtt_offset );
 262                         }
 263                         if (work->pending_flip_obj) {
 264                                 struct drm_i915_gem_object *obj_priv = to_intel_bo(work->pending_flip_obj);
 265                                 if(obj_priv)
 266                                         seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj_priv->gtt_offset );
 267                         }
 268                 }
 269                 spin_unlock_irqrestore(&dev->event_lock, flags);
 270         }
 271
 272         return 0;
 273 }
 274
 275 static int i915_gem_request_info(struct seq_file *m, void *data)
 276 {
 277         struct drm_info_node *node = (struct drm_info_node *) m->private;
 278         struct drm_device *dev = node->minor->dev;
 279         drm_i915_private_t *dev_priv = dev->dev_private;
 280         struct drm_i915_gem_request *gem_request;
 281         int ret, count;
 282
 283         ret = mutex_lock_interruptible(&dev->struct_mutex);
 284         if (ret)
 285                 return ret;
 286
 287         count = 0;
 288         if (!list_empty(&dev_priv->render_ring.request_list)) {
 289                 seq_printf(m, "Render requests:\n");
 290                 list_for_each_entry(gem_request,
 291                                     &dev_priv->render_ring.request_list,
 292                                     list) {
 293                         seq_printf(m, "    %d @ %d\n",
 294                                    gem_request->seqno,
 295                                    (int) (jiffies - gem_request->emitted_jiffies));
 296                 }
 297                 count++;
 298         }
 299         if (!list_empty(&dev_priv->bsd_ring.request_list)) {
 300                 seq_printf(m, "BSD requests:\n");
 301                 list_for_each_entry(gem_request,
 302                                     &dev_priv->bsd_ring.request_list,
 303                                     list) {
 304                         seq_printf(m, "    %d @ %d\n",
 305                                    gem_request->seqno,
 306                                    (int) (jiffies - gem_request->emitted_jiffies));
 307                 }
 308                 count++;
 309         }
 310         if (!list_empty(&dev_priv->blt_ring.request_list)) {
 311                 seq_printf(m, "BLT requests:\n");
 312                 list_for_each_entry(gem_request,
 313                                     &dev_priv->blt_ring.request_list,
 314                                     list) {
 315                         seq_printf(m, "    %d @ %d\n",
 316                                    gem_request->seqno,
 317                                    (int) (jiffies - gem_request->emitted_jiffies));
 318                 }
 319                 count++;
 320         }
 321         mutex_unlock(&dev->struct_mutex);
 322
 323         if (count == 0)
 324                 seq_printf(m, "No requests\n");
 325
 326         return 0;
 327 }
 328
 329 static void i915_ring_seqno_info(struct seq_file *m,
 330                                  struct intel_ring_buffer *ring)
 331 {
 332         if (ring->get_seqno) {
 333                 seq_printf(m, "Current sequence (%s): %d\n",
 334                            ring->name, ring->get_seqno(ring));
 335                 seq_printf(m, "Waiter sequence (%s):  %d\n",
 336                            ring->name, ring->waiting_seqno);
 337                 seq_printf(m, "IRQ sequence (%s):     %d\n",
 338                            ring->name, ring->irq_seqno);
 339         }
 340 }
 341
 342 static int i915_gem_seqno_info(struct seq_file *m, void *data)
 343 {
 344         struct drm_info_node *node = (struct drm_info_node *) m->private;
 345         struct drm_device *dev = node->minor->dev;
 346         drm_i915_private_t *dev_priv = dev->dev_private;
 347         int ret;
 348
 349         ret = mutex_lock_interruptible(&dev->struct_mutex);
 350         if (ret)
 351                 return ret;
 352
 353         i915_ring_seqno_info(m, &dev_priv->render_ring);
 354         i915_ring_seqno_info(m, &dev_priv->bsd_ring);
 355         i915_ring_seqno_info(m, &dev_priv->blt_ring);
 356
 357         mutex_unlock(&dev->struct_mutex);
 358
 359         return 0;
 360 }
 361
 362
 363 static int i915_interrupt_info(struct seq_file *m, void *data)
 364 {
 365         struct drm_info_node *node = (struct drm_info_node *) m->private;
 366         struct drm_device *dev = node->minor->dev;
 367         drm_i915_private_t *dev_priv = dev->dev_private;
 368         int ret;
 369
 370         ret = mutex_lock_interruptible(&dev->struct_mutex);
 371         if (ret)
 372                 return ret;
 373
 374         if (!HAS_PCH_SPLIT(dev)) {
 375                 seq_printf(m, "Interrupt enable:    %08x\n",
 376                            I915_READ(IER));
 377                 seq_printf(m, "Interrupt identity:  %08x\n",
 378                            I915_READ(IIR));
 379                 seq_printf(m, "Interrupt mask:      %08x\n",
 380                            I915_READ(IMR));
 381                 seq_printf(m, "Pipe A stat:         %08x\n",
 382                            I915_READ(PIPEASTAT));
 383                 seq_printf(m, "Pipe B stat:         %08x\n",
 384                            I915_READ(PIPEBSTAT));
 385         } else {
 386                 seq_printf(m, "North Display Interrupt enable:          %08x\n",
 387                            I915_READ(DEIER));
 388                 seq_printf(m, "North Display Interrupt identity:        %08x\n",
 389                            I915_READ(DEIIR));
 390                 seq_printf(m, "North Display Interrupt mask:            %08x\n",
 391                            I915_READ(DEIMR));
 392                 seq_printf(m, "South Display Interrupt enable:          %08x\n",
 393                            I915_READ(SDEIER));
 394                 seq_printf(m, "South Display Interrupt identity:        %08x\n",
 395                            I915_READ(SDEIIR));
 396                 seq_printf(m, "South Display Interrupt mask:            %08x\n",
 397                            I915_READ(SDEIMR));
 398                 seq_printf(m, "Graphics Interrupt enable:               %08x\n",
 399                            I915_READ(GTIER));
 400                 seq_printf(m, "Graphics Interrupt identity:             %08x\n",
 401                            I915_READ(GTIIR));
 402                 seq_printf(m, "Graphics Interrupt mask:         %08x\n",
 403                            I915_READ(GTIMR));
 404         }
 405         seq_printf(m, "Interrupts received: %d\n",
 406                    atomic_read(&dev_priv->irq_received));
 407         i915_ring_seqno_info(m, &dev_priv->render_ring);
 408         i915_ring_seqno_info(m, &dev_priv->bsd_ring);
 409         i915_ring_seqno_info(m, &dev_priv->blt_ring);
 410         mutex_unlock(&dev->struct_mutex);
 411
 412         return 0;
 413 }
 414
 415 static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
 416 {
 417         struct drm_info_node *node = (struct drm_info_node *) m->private;
 418         struct drm_device *dev = node->minor->dev;
 419         drm_i915_private_t *dev_priv = dev->dev_private;
 420         int i, ret;
 421
 422         ret = mutex_lock_interruptible(&dev->struct_mutex);
 423         if (ret)
 424                 return ret;
 425
 426         seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
 427         seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
 428         for (i = 0; i < dev_priv->num_fence_regs; i++) {
 429                 struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
 430
 431                 seq_printf(m, "Fenced object[%2d] = ", i);
 432                 if (obj == NULL)
 433                         seq_printf(m, "unused");
 434                 else
 435                         describe_obj(m, to_intel_bo(obj));
 436                 seq_printf(m, "\n");
 437         }
 438         mutex_unlock(&dev->struct_mutex);
 439
 440         return 0;
 441 }
 442
 443 static int i915_hws_info(struct seq_file *m, void *data)
 444 {
 445         struct drm_info_node *node = (struct drm_info_node *) m->private;
 446         struct drm_device *dev = node->minor->dev;
 447         drm_i915_private_t *dev_priv = dev->dev_private;
 448         struct intel_ring_buffer *ring;
 449         volatile u32 *hws;
 450         int i;
 451
 452         switch ((uintptr_t)node->info_ent->data) {
 453         case RENDER_RING: ring = &dev_priv->render_ring; break;
 454         case BSD_RING: ring = &dev_priv->bsd_ring; break;
 455         case BLT_RING: ring = &dev_priv->blt_ring; break;
 456         default: return -EINVAL;
 457         }
 458
 459         hws = (volatile u32 *)ring->status_page.page_addr;
 460         if (hws == NULL)
 461                 return 0;
 462
 463         for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
 464                 seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
 465                            i * 4,
 466                            hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
 467         }
 468         return 0;
 469 }
 470
 471 static void i915_dump_object(struct seq_file *m,
 472                              struct io_mapping *mapping,
 473                              struct drm_i915_gem_object *obj_priv)
 474 {
 475         int page, page_count, i;
 476
 477         page_count = obj_priv->base.size / PAGE_SIZE;
 478         for (page = 0; page < page_count; page++) {
 479                 u32 *mem = io_mapping_map_wc(mapping,
 480                                              obj_priv->gtt_offset + page * PAGE_SIZE);
 481                 for (i = 0; i < PAGE_SIZE; i += 4)
 482                         seq_printf(m, "%08x :  %08x\n", i, mem[i / 4]);
 483                 io_mapping_unmap(mem);
 484         }
 485 }
 486
 487 static int i915_batchbuffer_info(struct seq_file *m, void *data)
 488 {
 489         struct drm_info_node *node = (struct drm_info_node *) m->private;
 490         struct drm_device *dev = node->minor->dev;
 491         drm_i915_private_t *dev_priv = dev->dev_private;
 492         struct drm_gem_object *obj;
 493         struct drm_i915_gem_object *obj_priv;
 494         int ret;
 495
 496         ret = mutex_lock_interruptible(&dev->struct_mutex);
 497         if (ret)
 498                 return ret;
 499
 500         list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) {
 501                 obj = &obj_priv->base;
 502                 if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
 503                     seq_printf(m, "--- gtt_offset = 0x%08x\n",
 504                                obj_priv->gtt_offset);
 505                     i915_dump_object(m, dev_priv->mm.gtt_mapping, obj_priv);
 506                 }
 507         }
 508
 509         mutex_unlock(&dev->struct_mutex);
 510
 511         return 0;
 512 }
 513
 514 static int i915_ringbuffer_data(struct seq_file *m, void *data)
 515 {
 516         struct drm_info_node *node = (struct drm_info_node *) m->private;
 517         struct drm_device *dev = node->minor->dev;
 518         drm_i915_private_t *dev_priv = dev->dev_private;
 519         struct intel_ring_buffer *ring;
 520         int ret;
 521
 522         switch ((uintptr_t)node->info_ent->data) {
 523         case RENDER_RING: ring = &dev_priv->render_ring; break;
 524         case BSD_RING: ring = &dev_priv->bsd_ring; break;
 525         case BLT_RING: ring = &dev_priv->blt_ring; break;
 526         default: return -EINVAL;
 527         }
 528
 529         ret = mutex_lock_interruptible(&dev->struct_mutex);
 530         if (ret)
 531                 return ret;
 532
 533         if (!ring->gem_object) {
 534                 seq_printf(m, "No ringbuffer setup\n");
 535         } else {
 536                 u8 *virt = ring->virtual_start;
 537                 uint32_t off;
 538
 539                 for (off = 0; off < ring->size; off += 4) {
 540                         uint32_t *ptr = (uint32_t *)(virt + off);
 541                         seq_printf(m, "%08x :  %08x\n", off, *ptr);
 542                 }
 543         }
 544         mutex_unlock(&dev->struct_mutex);
 545
 546         return 0;
 547 }
 548
 549 static int i915_ringbuffer_info(struct seq_file *m, void *data)
 550 {
 551         struct drm_info_node *node = (struct drm_info_node *) m->private;
 552         struct drm_device *dev = node->minor->dev;
 553         drm_i915_private_t *dev_priv = dev->dev_private;
 554         struct intel_ring_buffer *ring;
 555
 556         switch ((uintptr_t)node->info_ent->data) {
 557         case RENDER_RING: ring = &dev_priv->render_ring; break;
 558         case BSD_RING: ring = &dev_priv->bsd_ring; break;
 559         case BLT_RING: ring = &dev_priv->blt_ring; break;
 560         default: return -EINVAL;
 561         }
 562
 563         if (ring->size == 0)
 564             return 0;
 565
 566         seq_printf(m, "Ring %s:\n", ring->name);
 567         seq_printf(m, "  Head :    %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR);
 568         seq_printf(m, "  Tail :    %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR);
 569         seq_printf(m, "  Size :    %08x\n", ring->size);
 570         seq_printf(m, "  Active :  %08x\n", intel_ring_get_active_head(ring));
 571         seq_printf(m, "  Control : %08x\n", I915_READ_CTL(ring));
 572         seq_printf(m, "  Start :   %08x\n", I915_READ_START(ring));
 573
 574         return 0;
 575 }
 576
 577 static const char *pin_flag(int pinned)
 578 {
 579         if (pinned > 0)
 580                 return " P";
 581         else if (pinned < 0)
 582                 return " p";
 583         else
 584                 return "";
 585 }
 586
 587 static const char *tiling_flag(int tiling)
 588 {
 589         switch (tiling) {
 590         default:
 591         case I915_TILING_NONE: return "";
 592         case I915_TILING_X: return " X";
 593         case I915_TILING_Y: return " Y";
 594         }
 595 }
 596
 597 static const char *dirty_flag(int dirty)
 598 {
 599         return dirty ? " dirty" : "";
 600 }
 601
 602 static const char *purgeable_flag(int purgeable)
 603 {
 604         return purgeable ? " purgeable" : "";
 605 }
 606
 607 static int i915_error_state(struct seq_file *m, void *unused)
 608 {
 609         struct drm_info_node *node = (struct drm_info_node *) m->private;
 610         struct drm_device *dev = node->minor->dev;
 611         drm_i915_private_t *dev_priv = dev->dev_private;
 612         struct drm_i915_error_state *error;
 613         unsigned long flags;
 614         int i, page, offset, elt;
 615
 616         spin_lock_irqsave(&dev_priv->error_lock, flags);
 617         if (!dev_priv->first_error) {
 618                 seq_printf(m, "no error state collected\n");
 619                 goto out;
 620         }
 621
 622         error = dev_priv->first_error;
 623
 624         seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
 625                    error->time.tv_usec);
 626         seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
 627         seq_printf(m, "EIR: 0x%08x\n", error->eir);
 628         seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
 629         if (INTEL_INFO(dev)->gen >= 6) {
 630                 seq_printf(m, "ERROR: 0x%08x\n", error->error);
 631                 seq_printf(m, "Blitter command stream:\n");
 632                 seq_printf(m, "  ACTHD:    0x%08x\n", error->bcs_acthd);
 633                 seq_printf(m, "  IPEHR:    0x%08x\n", error->bcs_ipehr);
 634                 seq_printf(m, "  IPEIR:    0x%08x\n", error->bcs_ipeir);
 635                 seq_printf(m, "  INSTDONE: 0x%08x\n", error->bcs_instdone);
 636                 seq_printf(m, "  seqno:    0x%08x\n", error->bcs_seqno);
 637         }
 638         seq_printf(m, "Render command stream:\n");
 639         seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd);
 640         seq_printf(m, "  IPEIR: 0x%08x\n", error->ipeir);
 641         seq_printf(m, "  IPEHR: 0x%08x\n", error->ipehr);
 642         seq_printf(m, "  INSTDONE: 0x%08x\n", error->instdone);
 643         if (INTEL_INFO(dev)->gen >= 4) {
 644                 seq_printf(m, "  INSTDONE1: 0x%08x\n", error->instdone1);
 645                 seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);
 646         }
 647         seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);
 648         seq_printf(m, "  seqno: 0x%08x\n", error->seqno);
 649
 650         if (error->active_bo_count) {
 651                 seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
 652
 653                 for (i = 0; i < error->active_bo_count; i++) {
 654                         seq_printf(m, "  %08x %8zd %08x %08x %08x%s%s%s%s",
 655                                    error->active_bo[i].gtt_offset,
 656                                    error->active_bo[i].size,
 657                                    error->active_bo[i].read_domains,
 658                                    error->active_bo[i].write_domain,
 659                                    error->active_bo[i].seqno,
 660                                    pin_flag(error->active_bo[i].pinned),
 661                                    tiling_flag(error->active_bo[i].tiling),
 662                                    dirty_flag(error->active_bo[i].dirty),
 663                                    purgeable_flag(error->active_bo[i].purgeable));
 664
 665                         if (error->active_bo[i].name)
 666                                 seq_printf(m, " (name: %d)", error->active_bo[i].name);
 667                         if (error->active_bo[i].fence_reg != I915_FENCE_REG_NONE)
 668                                 seq_printf(m, " (fence: %d)", error->active_bo[i].fence_reg);
 669
 670                         seq_printf(m, "\n");
 671                 }
 672         }
 673
 674         for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
 675                 if (error->batchbuffer[i]) {
 676                         struct drm_i915_error_object *obj = error->batchbuffer[i];
 677
 678                         seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
 679                         offset = 0;
 680                         for (page = 0; page < obj->page_count; page++) {
 681                                 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
 682                                         seq_printf(m, "%08x :  %08x\n", offset, obj->pages[page][elt]);
 683                                         offset += 4;
 684                                 }
 685                         }
 686                 }
 687         }
 688
 689         if (error->ringbuffer) {
 690                 struct drm_i915_error_object *obj = error->ringbuffer;
 691
 692                 seq_printf(m, "--- ringbuffer = 0x%08x\n", obj->gtt_offset);
 693                 offset = 0;
 694                 for (page = 0; page < obj->page_count; page++) {
 695                         for (elt = 0; elt < PAGE_SIZE/4; elt++) {
 696                                 seq_printf(m, "%08x :  %08x\n", offset, obj->pages[page][elt]);
 697                                 offset += 4;
 698                         }
 699                 }
 700         }
 701
 702         if (error->overlay)
 703                 intel_overlay_print_error_state(m, error->overlay);
 704
 705 out:
 706         spin_unlock_irqrestore(&dev_priv->error_lock, flags);
 707
 708         return 0;
 709 }
 710
 711 static int i915_rstdby_delays(struct seq_file *m, void *unused)
 712 {
 713         struct drm_info_node *node = (struct drm_info_node *) m->private;
 714         struct drm_device *dev = node->minor->dev;
 715         drm_i915_private_t *dev_priv = dev->dev_private;
 716         u16 crstanddelay = I915_READ16(CRSTANDVID);
 717
 718         seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
 719
 720         return 0;
 721 }
 722
 723 static int i915_cur_delayinfo(struct seq_file *m, void *unused)
 724 {
 725         struct drm_info_node *node = (struct drm_info_node *) m->private;
 726         struct drm_device *dev = node->minor->dev;
 727         drm_i915_private_t *dev_priv = dev->dev_private;
 728         u16 rgvswctl = I915_READ16(MEMSWCTL);
 729         u16 rgvstat = I915_READ16(MEMSTAT_ILK);
 730
 731         seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf);
 732         seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f);
 733         seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
 734                    MEMSTAT_VID_SHIFT);
 735         seq_printf(m, "Current P-state: %d\n",
 736                    (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
 737
 738         return 0;
 739 }
 740
 741 static int i915_delayfreq_table(struct seq_file *m, void *unused)
 742 {
 743         struct drm_info_node *node = (struct drm_info_node *) m->private;
 744         struct drm_device *dev = node->minor->dev;
 745         drm_i915_private_t *dev_priv = dev->dev_private;
 746         u32 delayfreq;
 747         int i;
 748
 749         for (i = 0; i < 16; i++) {
 750                 delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
 751                 seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq,
 752                            (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
 753         }
 754
 755         return 0;
 756 }
 757
 758 static inline int MAP_TO_MV(int map)
 759 {
 760         return 1250 - (map * 25);
 761 }
 762
 763 static int i915_inttoext_table(struct seq_file *m, void *unused)
 764 {
 765         struct drm_info_node *node = (struct drm_info_node *) m->private;
 766         struct drm_device *dev = node->minor->dev;
 767         drm_i915_private_t *dev_priv = dev->dev_private;
 768         u32 inttoext;
 769         int i;
 770
 771         for (i = 1; i <= 32; i++) {
 772                 inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
 773                 seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
 774         }
 775
 776         return 0;
 777 }
 778
 779 static int i915_drpc_info(struct seq_file *m, void *unused)
 780 {
 781         struct drm_info_node *node = (struct drm_info_node *) m->private;
 782         struct drm_device *dev = node->minor->dev;
 783         drm_i915_private_t *dev_priv = dev->dev_private;
 784         u32 rgvmodectl = I915_READ(MEMMODECTL);
 785         u32 rstdbyctl = I915_READ(MCHBAR_RENDER_STANDBY);
 786         u16 crstandvid = I915_READ16(CRSTANDVID);
 787
 788         seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
 789                    "yes" : "no");
 790         seq_printf(m, "Boost freq: %d\n",
 791                    (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
 792                    MEMMODE_BOOST_FREQ_SHIFT);
 793         seq_printf(m, "HW control enabled: %s\n",
 794                    rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no");
 795         seq_printf(m, "SW control enabled: %s\n",
 796                    rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no");
 797         seq_printf(m, "Gated voltage change: %s\n",
 798                    rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no");
 799         seq_printf(m, "Starting frequency: P%d\n",
 800                    (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
 801         seq_printf(m, "Max P-state: P%d\n",
 802                    (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
 803         seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
 804         seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
 805         seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
 806         seq_printf(m, "Render standby enabled: %s\n",
 807                    (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes");
 808
 809         return 0;
 810 }
 811
 812 static int i915_fbc_status(struct seq_file *m, void *unused)
 813 {
 814         struct drm_info_node *node = (struct drm_info_node *) m->private;
 815         struct drm_device *dev = node->minor->dev;
 816         drm_i915_private_t *dev_priv = dev->dev_private;
 817
 818         if (!I915_HAS_FBC(dev)) {
 819                 seq_printf(m, "FBC unsupported on this chipset\n");
 820                 return 0;
 821         }
 822
 823         if (intel_fbc_enabled(dev)) {
 824                 seq_printf(m, "FBC enabled\n");
 825         } else {
 826                 seq_printf(m, "FBC disabled: ");
 827                 switch (dev_priv->no_fbc_reason) {
 828                 case FBC_NO_OUTPUT:
 829                         seq_printf(m, "no outputs");
 830                         break;
 831                 case FBC_STOLEN_TOO_SMALL:
 832                         seq_printf(m, "not enough stolen memory");
 833                         break;
 834                 case FBC_UNSUPPORTED_MODE:
 835                         seq_printf(m, "mode not supported");
 836                         break;
 837                 case FBC_MODE_TOO_LARGE:
 838                         seq_printf(m, "mode too large");
 839                         break;
 840                 case FBC_BAD_PLANE:
 841                         seq_printf(m, "FBC unsupported on plane");
 842                         break;
 843                 case FBC_NOT_TILED:
 844                         seq_printf(m, "scanout buffer not tiled");
 845                         break;
 846                 case FBC_MULTIPLE_PIPES:
 847                         seq_printf(m, "multiple pipes are enabled");
 848                         break;
 849                 default:
 850                         seq_printf(m, "unknown reason");
 851                 }
 852                 seq_printf(m, "\n");
 853         }
 854         return 0;
 855 }
 856
 857 static int i915_sr_status(struct seq_file *m, void *unused)
 858 {
 859         struct drm_info_node *node = (struct drm_info_node *) m->private;
 860         struct drm_device *dev = node->minor->dev;
 861         drm_i915_private_t *dev_priv = dev->dev_private;
 862         bool sr_enabled = false;
 863
 864         if (IS_GEN5(dev))
 865                 sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
 866         else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev))
 867                 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
 868         else if (IS_I915GM(dev))
 869                 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
 870         else if (IS_PINEVIEW(dev))
 871                 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
 872
 873         seq_printf(m, "self-refresh: %s\n",
 874                    sr_enabled ? "enabled" : "disabled");
 875
 876         return 0;
 877 }
 878
 879 static int i915_emon_status(struct seq_file *m, void *unused)
 880 {
 881         struct drm_info_node *node = (struct drm_info_node *) m->private;
 882         struct drm_device *dev = node->minor->dev;
 883         drm_i915_private_t *dev_priv = dev->dev_private;
 884         unsigned long temp, chipset, gfx;
 885         int ret;
 886
 887         ret = mutex_lock_interruptible(&dev->struct_mutex);
 888         if (ret)
 889                 return ret;
 890
 891         temp = i915_mch_val(dev_priv);
 892         chipset = i915_chipset_val(dev_priv);
 893         gfx = i915_gfx_val(dev_priv);
 894         mutex_unlock(&dev->struct_mutex);
 895
 896         seq_printf(m, "GMCH temp: %ld\n", temp);
 897         seq_printf(m, "Chipset power: %ld\n", chipset);
 898         seq_printf(m, "GFX power: %ld\n", gfx);
 899         seq_printf(m, "Total power: %ld\n", chipset + gfx);
 900
 901         return 0;
 902 }
 903
 904 static int i915_gfxec(struct seq_file *m, void *unused)
 905 {
 906         struct drm_info_node *node = (struct drm_info_node *) m->private;
 907         struct drm_device *dev = node->minor->dev;
 908         drm_i915_private_t *dev_priv = dev->dev_private;
 909
 910         seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
 911
 912         return 0;
 913 }
 914
 915 static int i915_opregion(struct seq_file *m, void *unused)
 916 {
 917         struct drm_info_node *node = (struct drm_info_node *) m->private;
 918         struct drm_device *dev = node->minor->dev;
 919         drm_i915_private_t *dev_priv = dev->dev_private;
 920         struct intel_opregion *opregion = &dev_priv->opregion;
 921         int ret;
 922
 923         ret = mutex_lock_interruptible(&dev->struct_mutex);
 924         if (ret)
 925                 return ret;
 926
 927         if (opregion->header)
 928                 seq_write(m, opregion->header, OPREGION_SIZE);
 929
 930         mutex_unlock(&dev->struct_mutex);
 931
 932         return 0;
 933 }
 934
 935 static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
 936 {
 937         struct drm_info_node *node = (struct drm_info_node *) m->private;
 938         struct drm_device *dev = node->minor->dev;
 939         drm_i915_private_t *dev_priv = dev->dev_private;
 940         struct intel_fbdev *ifbdev;
 941         struct intel_framebuffer *fb;
 942         int ret;
 943
 944         ret = mutex_lock_interruptible(&dev->mode_config.mutex);
 945         if (ret)
 946                 return ret;
 947
 948         ifbdev = dev_priv->fbdev;
 949         fb = to_intel_framebuffer(ifbdev->helper.fb);
 950
 951         seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
 952                    fb->base.width,
 953                    fb->base.height,
 954                    fb->base.depth,
 955                    fb->base.bits_per_pixel);
 956         describe_obj(m, to_intel_bo(fb->obj));
 957         seq_printf(m, "\n");
 958
 959         list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) {
 960                 if (&fb->base == ifbdev->helper.fb)
 961                         continue;
 962
 963                 seq_printf(m, "user size: %d x %d, depth %d, %d bpp, obj ",
 964                            fb->base.width,
 965                            fb->base.height,
 966                            fb->base.depth,
 967                            fb->base.bits_per_pixel);
 968                 describe_obj(m, to_intel_bo(fb->obj));
 969                 seq_printf(m, "\n");
 970         }
 971
 972         mutex_unlock(&dev->mode_config.mutex);
 973
 974         return 0;
 975 }
 976
 977 static int
 978 i915_wedged_open(struct inode *inode,
 979                  struct file *filp)
 980 {
 981         filp->private_data = inode->i_private;
 982         return 0;
 983 }
 984
 985 static ssize_t
 986 i915_wedged_read(struct file *filp,
 987                  char __user *ubuf,
 988                  size_t max,
 989                  loff_t *ppos)
 990 {
 991         struct drm_device *dev = filp->private_data;
 992         drm_i915_private_t *dev_priv = dev->dev_private;
 993         char buf[80];
 994         int len;
 995
 996         len = snprintf(buf, sizeof (buf),
 997                        "wedged :  %d\n",
 998                        atomic_read(&dev_priv->mm.wedged));
 999
1000         if (len > sizeof (buf))
1001                 len = sizeof (buf);
1002
1003         return simple_read_from_buffer(ubuf, max, ppos, buf, len);
1004 }
1005
1006 static ssize_t
1007 i915_wedged_write(struct file *filp,
1008                   const char __user *ubuf,
1009                   size_t cnt,
1010                   loff_t *ppos)
1011 {
1012         struct drm_device *dev = filp->private_data;
1013         drm_i915_private_t *dev_priv = dev->dev_private;
1014         char buf[20];
1015         int val = 1;
1016
1017         if (cnt > 0) {
1018                 if (cnt > sizeof (buf) - 1)
1019                         return -EINVAL;
1020
1021                 if (copy_from_user(buf, ubuf, cnt))
1022                         return -EFAULT;
1023                 buf[cnt] = 0;
1024
1025                 val = simple_strtoul(buf, NULL, 0);
1026         }
1027
1028         DRM_INFO("Manually setting wedged to %d\n", val);
1029
1030         atomic_set(&dev_priv->mm.wedged, val);
1031         if (val) {
1032                 wake_up_all(&dev_priv->irq_queue);
1033                 queue_work(dev_priv->wq, &dev_priv->error_work);
1034         }
1035
1036         return cnt;
1037 }
1038
1039 static const struct file_operations i915_wedged_fops = {
1040         .owner = THIS_MODULE,
1041         .open = i915_wedged_open,
1042         .read = i915_wedged_read,
1043         .write = i915_wedged_write,
1044         .llseek = default_llseek,
1045 };
1046
1047 /* As the drm_debugfs_init() routines are called before dev->dev_private is
1048  * allocated we need to hook into the minor for release. */
1049 static int
1050 drm_add_fake_info_node(struct drm_minor *minor,
1051                        struct dentry *ent,
1052                        const void *key)
1053 {
1054         struct drm_info_node *node;
1055
1056         node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
1057         if (node == NULL) {
1058                 debugfs_remove(ent);
1059                 return -ENOMEM;
1060         }
1061
1062         node->minor = minor;
1063         node->dent = ent;
1064         node->info_ent = (void *) key;
1065         list_add(&node->list, &minor->debugfs_nodes.list);
1066
1067         return 0;
1068 }
1069
1070 static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
1071 {
1072         struct drm_device *dev = minor->dev;
1073         struct dentry *ent;
1074
1075         ent = debugfs_create_file("i915_wedged",
1076                                   S_IRUGO | S_IWUSR,
1077                                   root, dev,
1078                                   &i915_wedged_fops);
1079         if (IS_ERR(ent))
1080                 return PTR_ERR(ent);
1081
1082         return drm_add_fake_info_node(minor, ent, &i915_wedged_fops);
1083 }
1084
1085 static struct drm_info_list i915_debugfs_list[] = {
1086         {"i915_capabilities", i915_capabilities, 0, 0},
1087         {"i915_gem_objects", i915_gem_object_info, 0},
1088         {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
1089         {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
1090         {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
1091         {"i915_gem_pinned", i915_gem_object_list_info, 0, (void *) PINNED_LIST},
1092         {"i915_gem_deferred_free", i915_gem_object_list_info, 0, (void *) DEFERRED_FREE_LIST},
1093         {"i915_gem_pageflip", i915_gem_pageflip_info, 0},
1094         {"i915_gem_request", i915_gem_request_info, 0},
1095         {"i915_gem_seqno", i915_gem_seqno_info, 0},
1096         {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
1097         {"i915_gem_interrupt", i915_interrupt_info, 0},
1098         {"i915_gem_hws", i915_hws_info, 0, (void *)RENDER_RING},
1099         {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BLT_RING},
1100         {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)BSD_RING},
1101         {"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RENDER_RING},
1102         {"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RENDER_RING},
1103         {"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BSD_RING},
1104         {"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BSD_RING},
1105         {"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BLT_RING},
1106         {"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BLT_RING},
1107         {"i915_batchbuffers", i915_batchbuffer_info, 0},
1108         {"i915_error_state", i915_error_state, 0},
1109         {"i915_rstdby_delays", i915_rstdby_delays, 0},
1110         {"i915_cur_delayinfo", i915_cur_delayinfo, 0},
1111         {"i915_delayfreq_table", i915_delayfreq_table, 0},
1112         {"i915_inttoext_table", i915_inttoext_table, 0},
1113         {"i915_drpc_info", i915_drpc_info, 0},
1114         {"i915_emon_status", i915_emon_status, 0},
1115         {"i915_gfxec", i915_gfxec, 0},
1116         {"i915_fbc_status", i915_fbc_status, 0},
1117         {"i915_sr_status", i915_sr_status, 0},
1118         {"i915_opregion", i915_opregion, 0},
1119         {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
1120 };
1121 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1122
1123 int i915_debugfs_init(struct drm_minor *minor)
1124 {
1125         int ret;
1126
1127         ret = i915_wedged_create(minor->debugfs_root, minor);
1128         if (ret)
1129                 return ret;
1130
1131         return drm_debugfs_create_files(i915_debugfs_list,
1132                                         I915_DEBUGFS_ENTRIES,
1133                                         minor->debugfs_root, minor);
1134 }
1135
1136 void i915_debugfs_cleanup(struct drm_minor *minor)
1137 {
1138         drm_debugfs_remove_files(i915_debugfs_list,
1139                                  I915_DEBUGFS_ENTRIES, minor);
1140         drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops,
1141                                  1, minor);
1142 }
1143
1144 #endif /* CONFIG_DEBUG_FS */