ae73288a9699cbb7c02915680e656fced951842c
[linux-2.6.git] / 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 <linux/export.h>
33 #include "drmP.h"
34 #include "drm.h"
35 #include "intel_drv.h"
36 #include "intel_ringbuffer.h"
37 #include "i915_drm.h"
38 #include "i915_drv.h"
39
40 #define DRM_I915_RING_DEBUG 1
41
42
43 #if defined(CONFIG_DEBUG_FS)
44
45 enum {
46         ACTIVE_LIST,
47         FLUSHING_LIST,
48         INACTIVE_LIST,
49         PINNED_LIST,
50         DEFERRED_FREE_LIST,
51 };
52
53 static const char *yesno(int v)
54 {
55         return v ? "yes" : "no";
56 }
57
58 static int i915_capabilities(struct seq_file *m, void *data)
59 {
60         struct drm_info_node *node = (struct drm_info_node *) m->private;
61         struct drm_device *dev = node->minor->dev;
62         const struct intel_device_info *info = INTEL_INFO(dev);
63
64         seq_printf(m, "gen: %d\n", info->gen);
65         seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev));
66 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
67         B(is_mobile);
68         B(is_i85x);
69         B(is_i915g);
70         B(is_i945gm);
71         B(is_g33);
72         B(need_gfx_hws);
73         B(is_g4x);
74         B(is_pineview);
75         B(is_broadwater);
76         B(is_crestline);
77         B(has_fbc);
78         B(has_pipe_cxsr);
79         B(has_hotplug);
80         B(cursor_needs_physical);
81         B(has_overlay);
82         B(overlay_needs_physical);
83         B(supports_tv);
84         B(has_bsd_ring);
85         B(has_blt_ring);
86         B(has_llc);
87 #undef B
88
89         return 0;
90 }
91
92 static const char *get_pin_flag(struct drm_i915_gem_object *obj)
93 {
94         if (obj->user_pin_count > 0)
95                 return "P";
96         else if (obj->pin_count > 0)
97                 return "p";
98         else
99                 return " ";
100 }
101
102 static const char *get_tiling_flag(struct drm_i915_gem_object *obj)
103 {
104         switch (obj->tiling_mode) {
105         default:
106         case I915_TILING_NONE: return " ";
107         case I915_TILING_X: return "X";
108         case I915_TILING_Y: return "Y";
109         }
110 }
111
112 static const char *cache_level_str(int type)
113 {
114         switch (type) {
115         case I915_CACHE_NONE: return " uncached";
116         case I915_CACHE_LLC: return " snooped (LLC)";
117         case I915_CACHE_LLC_MLC: return " snooped (LLC+MLC)";
118         default: return "";
119         }
120 }
121
122 static void
123 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
124 {
125         seq_printf(m, "%p: %s%s %8zdKiB %04x %04x %d %d%s%s%s",
126                    &obj->base,
127                    get_pin_flag(obj),
128                    get_tiling_flag(obj),
129                    obj->base.size / 1024,
130                    obj->base.read_domains,
131                    obj->base.write_domain,
132                    obj->last_rendering_seqno,
133                    obj->last_fenced_seqno,
134                    cache_level_str(obj->cache_level),
135                    obj->dirty ? " dirty" : "",
136                    obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
137         if (obj->base.name)
138                 seq_printf(m, " (name: %d)", obj->base.name);
139         if (obj->fence_reg != I915_FENCE_REG_NONE)
140                 seq_printf(m, " (fence: %d)", obj->fence_reg);
141         if (obj->gtt_space != NULL)
142                 seq_printf(m, " (gtt offset: %08x, size: %08x)",
143                            obj->gtt_offset, (unsigned int)obj->gtt_space->size);
144         if (obj->pin_mappable || obj->fault_mappable) {
145                 char s[3], *t = s;
146                 if (obj->pin_mappable)
147                         *t++ = 'p';
148                 if (obj->fault_mappable)
149                         *t++ = 'f';
150                 *t = '\0';
151                 seq_printf(m, " (%s mappable)", s);
152         }
153         if (obj->ring != NULL)
154                 seq_printf(m, " (%s)", obj->ring->name);
155 }
156
157 static int i915_gem_object_list_info(struct seq_file *m, void *data)
158 {
159         struct drm_info_node *node = (struct drm_info_node *) m->private;
160         uintptr_t list = (uintptr_t) node->info_ent->data;
161         struct list_head *head;
162         struct drm_device *dev = node->minor->dev;
163         drm_i915_private_t *dev_priv = dev->dev_private;
164         struct drm_i915_gem_object *obj;
165         size_t total_obj_size, total_gtt_size;
166         int count, ret;
167
168         ret = mutex_lock_interruptible(&dev->struct_mutex);
169         if (ret)
170                 return ret;
171
172         switch (list) {
173         case ACTIVE_LIST:
174                 seq_printf(m, "Active:\n");
175                 head = &dev_priv->mm.active_list;
176                 break;
177         case INACTIVE_LIST:
178                 seq_printf(m, "Inactive:\n");
179                 head = &dev_priv->mm.inactive_list;
180                 break;
181         case PINNED_LIST:
182                 seq_printf(m, "Pinned:\n");
183                 head = &dev_priv->mm.pinned_list;
184                 break;
185         case FLUSHING_LIST:
186                 seq_printf(m, "Flushing:\n");
187                 head = &dev_priv->mm.flushing_list;
188                 break;
189         case DEFERRED_FREE_LIST:
190                 seq_printf(m, "Deferred free:\n");
191                 head = &dev_priv->mm.deferred_free_list;
192                 break;
193         default:
194                 mutex_unlock(&dev->struct_mutex);
195                 return -EINVAL;
196         }
197
198         total_obj_size = total_gtt_size = count = 0;
199         list_for_each_entry(obj, head, mm_list) {
200                 seq_printf(m, "   ");
201                 describe_obj(m, obj);
202                 seq_printf(m, "\n");
203                 total_obj_size += obj->base.size;
204                 total_gtt_size += obj->gtt_space->size;
205                 count++;
206         }
207         mutex_unlock(&dev->struct_mutex);
208
209         seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
210                    count, total_obj_size, total_gtt_size);
211         return 0;
212 }
213
214 #define count_objects(list, member) do { \
215         list_for_each_entry(obj, list, member) { \
216                 size += obj->gtt_space->size; \
217                 ++count; \
218                 if (obj->map_and_fenceable) { \
219                         mappable_size += obj->gtt_space->size; \
220                         ++mappable_count; \
221                 } \
222         } \
223 } while (0)
224
225 static int i915_gem_object_info(struct seq_file *m, void* data)
226 {
227         struct drm_info_node *node = (struct drm_info_node *) m->private;
228         struct drm_device *dev = node->minor->dev;
229         struct drm_i915_private *dev_priv = dev->dev_private;
230         u32 count, mappable_count;
231         size_t size, mappable_size;
232         struct drm_i915_gem_object *obj;
233         int ret;
234
235         ret = mutex_lock_interruptible(&dev->struct_mutex);
236         if (ret)
237                 return ret;
238
239         seq_printf(m, "%u objects, %zu bytes\n",
240                    dev_priv->mm.object_count,
241                    dev_priv->mm.object_memory);
242
243         size = count = mappable_size = mappable_count = 0;
244         count_objects(&dev_priv->mm.gtt_list, gtt_list);
245         seq_printf(m, "%u [%u] objects, %zu [%zu] bytes in gtt\n",
246                    count, mappable_count, size, mappable_size);
247
248         size = count = mappable_size = mappable_count = 0;
249         count_objects(&dev_priv->mm.active_list, mm_list);
250         count_objects(&dev_priv->mm.flushing_list, mm_list);
251         seq_printf(m, "  %u [%u] active objects, %zu [%zu] bytes\n",
252                    count, mappable_count, size, mappable_size);
253
254         size = count = mappable_size = mappable_count = 0;
255         count_objects(&dev_priv->mm.pinned_list, mm_list);
256         seq_printf(m, "  %u [%u] pinned objects, %zu [%zu] bytes\n",
257                    count, mappable_count, size, mappable_size);
258
259         size = count = mappable_size = mappable_count = 0;
260         count_objects(&dev_priv->mm.inactive_list, mm_list);
261         seq_printf(m, "  %u [%u] inactive objects, %zu [%zu] bytes\n",
262                    count, mappable_count, size, mappable_size);
263
264         size = count = mappable_size = mappable_count = 0;
265         count_objects(&dev_priv->mm.deferred_free_list, mm_list);
266         seq_printf(m, "  %u [%u] freed objects, %zu [%zu] bytes\n",
267                    count, mappable_count, size, mappable_size);
268
269         size = count = mappable_size = mappable_count = 0;
270         list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) {
271                 if (obj->fault_mappable) {
272                         size += obj->gtt_space->size;
273                         ++count;
274                 }
275                 if (obj->pin_mappable) {
276                         mappable_size += obj->gtt_space->size;
277                         ++mappable_count;
278                 }
279         }
280         seq_printf(m, "%u pinned mappable objects, %zu bytes\n",
281                    mappable_count, mappable_size);
282         seq_printf(m, "%u fault mappable objects, %zu bytes\n",
283                    count, size);
284
285         seq_printf(m, "%zu [%zu] gtt total\n",
286                    dev_priv->mm.gtt_total, dev_priv->mm.mappable_gtt_total);
287
288         mutex_unlock(&dev->struct_mutex);
289
290         return 0;
291 }
292
293 static int i915_gem_gtt_info(struct seq_file *m, void* data)
294 {
295         struct drm_info_node *node = (struct drm_info_node *) m->private;
296         struct drm_device *dev = node->minor->dev;
297         struct drm_i915_private *dev_priv = dev->dev_private;
298         struct drm_i915_gem_object *obj;
299         size_t total_obj_size, total_gtt_size;
300         int count, ret;
301
302         ret = mutex_lock_interruptible(&dev->struct_mutex);
303         if (ret)
304                 return ret;
305
306         total_obj_size = total_gtt_size = count = 0;
307         list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) {
308                 seq_printf(m, "   ");
309                 describe_obj(m, obj);
310                 seq_printf(m, "\n");
311                 total_obj_size += obj->base.size;
312                 total_gtt_size += obj->gtt_space->size;
313                 count++;
314         }
315
316         mutex_unlock(&dev->struct_mutex);
317
318         seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
319                    count, total_obj_size, total_gtt_size);
320
321         return 0;
322 }
323
324
325 static int i915_gem_pageflip_info(struct seq_file *m, void *data)
326 {
327         struct drm_info_node *node = (struct drm_info_node *) m->private;
328         struct drm_device *dev = node->minor->dev;
329         unsigned long flags;
330         struct intel_crtc *crtc;
331
332         list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
333                 const char pipe = pipe_name(crtc->pipe);
334                 const char plane = plane_name(crtc->plane);
335                 struct intel_unpin_work *work;
336
337                 spin_lock_irqsave(&dev->event_lock, flags);
338                 work = crtc->unpin_work;
339                 if (work == NULL) {
340                         seq_printf(m, "No flip due on pipe %c (plane %c)\n",
341                                    pipe, plane);
342                 } else {
343                         if (!work->pending) {
344                                 seq_printf(m, "Flip queued on pipe %c (plane %c)\n",
345                                            pipe, plane);
346                         } else {
347                                 seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
348                                            pipe, plane);
349                         }
350                         if (work->enable_stall_check)
351                                 seq_printf(m, "Stall check enabled, ");
352                         else
353                                 seq_printf(m, "Stall check waiting for page flip ioctl, ");
354                         seq_printf(m, "%d prepares\n", work->pending);
355
356                         if (work->old_fb_obj) {
357                                 struct drm_i915_gem_object *obj = work->old_fb_obj;
358                                 if (obj)
359                                         seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj->gtt_offset);
360                         }
361                         if (work->pending_flip_obj) {
362                                 struct drm_i915_gem_object *obj = work->pending_flip_obj;
363                                 if (obj)
364                                         seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj->gtt_offset);
365                         }
366                 }
367                 spin_unlock_irqrestore(&dev->event_lock, flags);
368         }
369
370         return 0;
371 }
372
373 static int i915_gem_request_info(struct seq_file *m, void *data)
374 {
375         struct drm_info_node *node = (struct drm_info_node *) m->private;
376         struct drm_device *dev = node->minor->dev;
377         drm_i915_private_t *dev_priv = dev->dev_private;
378         struct drm_i915_gem_request *gem_request;
379         int ret, count;
380
381         ret = mutex_lock_interruptible(&dev->struct_mutex);
382         if (ret)
383                 return ret;
384
385         count = 0;
386         if (!list_empty(&dev_priv->ring[RCS].request_list)) {
387                 seq_printf(m, "Render requests:\n");
388                 list_for_each_entry(gem_request,
389                                     &dev_priv->ring[RCS].request_list,
390                                     list) {
391                         seq_printf(m, "    %d @ %d\n",
392                                    gem_request->seqno,
393                                    (int) (jiffies - gem_request->emitted_jiffies));
394                 }
395                 count++;
396         }
397         if (!list_empty(&dev_priv->ring[VCS].request_list)) {
398                 seq_printf(m, "BSD requests:\n");
399                 list_for_each_entry(gem_request,
400                                     &dev_priv->ring[VCS].request_list,
401                                     list) {
402                         seq_printf(m, "    %d @ %d\n",
403                                    gem_request->seqno,
404                                    (int) (jiffies - gem_request->emitted_jiffies));
405                 }
406                 count++;
407         }
408         if (!list_empty(&dev_priv->ring[BCS].request_list)) {
409                 seq_printf(m, "BLT requests:\n");
410                 list_for_each_entry(gem_request,
411                                     &dev_priv->ring[BCS].request_list,
412                                     list) {
413                         seq_printf(m, "    %d @ %d\n",
414                                    gem_request->seqno,
415                                    (int) (jiffies - gem_request->emitted_jiffies));
416                 }
417                 count++;
418         }
419         mutex_unlock(&dev->struct_mutex);
420
421         if (count == 0)
422                 seq_printf(m, "No requests\n");
423
424         return 0;
425 }
426
427 static void i915_ring_seqno_info(struct seq_file *m,
428                                  struct intel_ring_buffer *ring)
429 {
430         if (ring->get_seqno) {
431                 seq_printf(m, "Current sequence (%s): %d\n",
432                            ring->name, ring->get_seqno(ring));
433                 seq_printf(m, "Waiter sequence (%s):  %d\n",
434                            ring->name, ring->waiting_seqno);
435                 seq_printf(m, "IRQ sequence (%s):     %d\n",
436                            ring->name, ring->irq_seqno);
437         }
438 }
439
440 static int i915_gem_seqno_info(struct seq_file *m, void *data)
441 {
442         struct drm_info_node *node = (struct drm_info_node *) m->private;
443         struct drm_device *dev = node->minor->dev;
444         drm_i915_private_t *dev_priv = dev->dev_private;
445         int ret, i;
446
447         ret = mutex_lock_interruptible(&dev->struct_mutex);
448         if (ret)
449                 return ret;
450
451         for (i = 0; i < I915_NUM_RINGS; i++)
452                 i915_ring_seqno_info(m, &dev_priv->ring[i]);
453
454         mutex_unlock(&dev->struct_mutex);
455
456         return 0;
457 }
458
459
460 static int i915_interrupt_info(struct seq_file *m, void *data)
461 {
462         struct drm_info_node *node = (struct drm_info_node *) m->private;
463         struct drm_device *dev = node->minor->dev;
464         drm_i915_private_t *dev_priv = dev->dev_private;
465         int ret, i, pipe;
466
467         ret = mutex_lock_interruptible(&dev->struct_mutex);
468         if (ret)
469                 return ret;
470
471         if (!HAS_PCH_SPLIT(dev)) {
472                 seq_printf(m, "Interrupt enable:    %08x\n",
473                            I915_READ(IER));
474                 seq_printf(m, "Interrupt identity:  %08x\n",
475                            I915_READ(IIR));
476                 seq_printf(m, "Interrupt mask:      %08x\n",
477                            I915_READ(IMR));
478                 for_each_pipe(pipe)
479                         seq_printf(m, "Pipe %c stat:         %08x\n",
480                                    pipe_name(pipe),
481                                    I915_READ(PIPESTAT(pipe)));
482         } else {
483                 seq_printf(m, "North Display Interrupt enable:          %08x\n",
484                            I915_READ(DEIER));
485                 seq_printf(m, "North Display Interrupt identity:        %08x\n",
486                            I915_READ(DEIIR));
487                 seq_printf(m, "North Display Interrupt mask:            %08x\n",
488                            I915_READ(DEIMR));
489                 seq_printf(m, "South Display Interrupt enable:          %08x\n",
490                            I915_READ(SDEIER));
491                 seq_printf(m, "South Display Interrupt identity:        %08x\n",
492                            I915_READ(SDEIIR));
493                 seq_printf(m, "South Display Interrupt mask:            %08x\n",
494                            I915_READ(SDEIMR));
495                 seq_printf(m, "Graphics Interrupt enable:               %08x\n",
496                            I915_READ(GTIER));
497                 seq_printf(m, "Graphics Interrupt identity:             %08x\n",
498                            I915_READ(GTIIR));
499                 seq_printf(m, "Graphics Interrupt mask:         %08x\n",
500                            I915_READ(GTIMR));
501         }
502         seq_printf(m, "Interrupts received: %d\n",
503                    atomic_read(&dev_priv->irq_received));
504         for (i = 0; i < I915_NUM_RINGS; i++) {
505                 if (IS_GEN6(dev) || IS_GEN7(dev)) {
506                         seq_printf(m, "Graphics Interrupt mask (%s):    %08x\n",
507                                    dev_priv->ring[i].name,
508                                    I915_READ_IMR(&dev_priv->ring[i]));
509                 }
510                 i915_ring_seqno_info(m, &dev_priv->ring[i]);
511         }
512         mutex_unlock(&dev->struct_mutex);
513
514         return 0;
515 }
516
517 static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
518 {
519         struct drm_info_node *node = (struct drm_info_node *) m->private;
520         struct drm_device *dev = node->minor->dev;
521         drm_i915_private_t *dev_priv = dev->dev_private;
522         int i, ret;
523
524         ret = mutex_lock_interruptible(&dev->struct_mutex);
525         if (ret)
526                 return ret;
527
528         seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
529         seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
530         for (i = 0; i < dev_priv->num_fence_regs; i++) {
531                 struct drm_i915_gem_object *obj = dev_priv->fence_regs[i].obj;
532
533                 seq_printf(m, "Fenced object[%2d] = ", i);
534                 if (obj == NULL)
535                         seq_printf(m, "unused");
536                 else
537                         describe_obj(m, obj);
538                 seq_printf(m, "\n");
539         }
540
541         mutex_unlock(&dev->struct_mutex);
542         return 0;
543 }
544
545 static int i915_hws_info(struct seq_file *m, void *data)
546 {
547         struct drm_info_node *node = (struct drm_info_node *) m->private;
548         struct drm_device *dev = node->minor->dev;
549         drm_i915_private_t *dev_priv = dev->dev_private;
550         struct intel_ring_buffer *ring;
551         const volatile u32 __iomem *hws;
552         int i;
553
554         ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
555         hws = (volatile u32 __iomem *)ring->status_page.page_addr;
556         if (hws == NULL)
557                 return 0;
558
559         for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
560                 seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
561                            i * 4,
562                            hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
563         }
564         return 0;
565 }
566
567 static int i915_ringbuffer_data(struct seq_file *m, void *data)
568 {
569         struct drm_info_node *node = (struct drm_info_node *) m->private;
570         struct drm_device *dev = node->minor->dev;
571         drm_i915_private_t *dev_priv = dev->dev_private;
572         struct intel_ring_buffer *ring;
573         int ret;
574
575         ret = mutex_lock_interruptible(&dev->struct_mutex);
576         if (ret)
577                 return ret;
578
579         ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
580         if (!ring->obj) {
581                 seq_printf(m, "No ringbuffer setup\n");
582         } else {
583                 const u8 __iomem *virt = ring->virtual_start;
584                 uint32_t off;
585
586                 for (off = 0; off < ring->size; off += 4) {
587                         uint32_t *ptr = (uint32_t *)(virt + off);
588                         seq_printf(m, "%08x :  %08x\n", off, *ptr);
589                 }
590         }
591         mutex_unlock(&dev->struct_mutex);
592
593         return 0;
594 }
595
596 static int i915_ringbuffer_info(struct seq_file *m, void *data)
597 {
598         struct drm_info_node *node = (struct drm_info_node *) m->private;
599         struct drm_device *dev = node->minor->dev;
600         drm_i915_private_t *dev_priv = dev->dev_private;
601         struct intel_ring_buffer *ring;
602         int ret;
603
604         ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
605         if (ring->size == 0)
606                 return 0;
607
608         ret = mutex_lock_interruptible(&dev->struct_mutex);
609         if (ret)
610                 return ret;
611
612         seq_printf(m, "Ring %s:\n", ring->name);
613         seq_printf(m, "  Head :    %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR);
614         seq_printf(m, "  Tail :    %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR);
615         seq_printf(m, "  Size :    %08x\n", ring->size);
616         seq_printf(m, "  Active :  %08x\n", intel_ring_get_active_head(ring));
617         seq_printf(m, "  NOPID :   %08x\n", I915_READ_NOPID(ring));
618         if (IS_GEN6(dev) || IS_GEN7(dev)) {
619                 seq_printf(m, "  Sync 0 :   %08x\n", I915_READ_SYNC_0(ring));
620                 seq_printf(m, "  Sync 1 :   %08x\n", I915_READ_SYNC_1(ring));
621         }
622         seq_printf(m, "  Control : %08x\n", I915_READ_CTL(ring));
623         seq_printf(m, "  Start :   %08x\n", I915_READ_START(ring));
624
625         mutex_unlock(&dev->struct_mutex);
626
627         return 0;
628 }
629
630 static const char *ring_str(int ring)
631 {
632         switch (ring) {
633         case RCS: return "render";
634         case VCS: return "bsd";
635         case BCS: return "blt";
636         default: return "";
637         }
638 }
639
640 static const char *pin_flag(int pinned)
641 {
642         if (pinned > 0)
643                 return " P";
644         else if (pinned < 0)
645                 return " p";
646         else
647                 return "";
648 }
649
650 static const char *tiling_flag(int tiling)
651 {
652         switch (tiling) {
653         default:
654         case I915_TILING_NONE: return "";
655         case I915_TILING_X: return " X";
656         case I915_TILING_Y: return " Y";
657         }
658 }
659
660 static const char *dirty_flag(int dirty)
661 {
662         return dirty ? " dirty" : "";
663 }
664
665 static const char *purgeable_flag(int purgeable)
666 {
667         return purgeable ? " purgeable" : "";
668 }
669
670 static void print_error_buffers(struct seq_file *m,
671                                 const char *name,
672                                 struct drm_i915_error_buffer *err,
673                                 int count)
674 {
675         seq_printf(m, "%s [%d]:\n", name, count);
676
677         while (count--) {
678                 seq_printf(m, "  %08x %8u %04x %04x %08x%s%s%s%s%s%s%s",
679                            err->gtt_offset,
680                            err->size,
681                            err->read_domains,
682                            err->write_domain,
683                            err->seqno,
684                            pin_flag(err->pinned),
685                            tiling_flag(err->tiling),
686                            dirty_flag(err->dirty),
687                            purgeable_flag(err->purgeable),
688                            err->ring != -1 ? " " : "",
689                            ring_str(err->ring),
690                            cache_level_str(err->cache_level));
691
692                 if (err->name)
693                         seq_printf(m, " (name: %d)", err->name);
694                 if (err->fence_reg != I915_FENCE_REG_NONE)
695                         seq_printf(m, " (fence: %d)", err->fence_reg);
696
697                 seq_printf(m, "\n");
698                 err++;
699         }
700 }
701
702 static void i915_ring_error_state(struct seq_file *m,
703                                   struct drm_device *dev,
704                                   struct drm_i915_error_state *error,
705                                   unsigned ring)
706 {
707         seq_printf(m, "%s command stream:\n", ring_str(ring));
708         seq_printf(m, "  HEAD: 0x%08x\n", error->head[ring]);
709         seq_printf(m, "  TAIL: 0x%08x\n", error->tail[ring]);
710         seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd[ring]);
711         seq_printf(m, "  IPEIR: 0x%08x\n", error->ipeir[ring]);
712         seq_printf(m, "  IPEHR: 0x%08x\n", error->ipehr[ring]);
713         seq_printf(m, "  INSTDONE: 0x%08x\n", error->instdone[ring]);
714         if (ring == RCS && INTEL_INFO(dev)->gen >= 4) {
715                 seq_printf(m, "  INSTDONE1: 0x%08x\n", error->instdone1);
716                 seq_printf(m, "  BBADDR: 0x%08llx\n", error->bbaddr);
717         }
718         if (INTEL_INFO(dev)->gen >= 4)
719                 seq_printf(m, "  INSTPS: 0x%08x\n", error->instps[ring]);
720         seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm[ring]);
721         if (INTEL_INFO(dev)->gen >= 6) {
722                 seq_printf(m, "  FADDR: 0x%08x\n", error->faddr[ring]);
723                 seq_printf(m, "  FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
724                 seq_printf(m, "  SYNC_0: 0x%08x\n",
725                            error->semaphore_mboxes[ring][0]);
726                 seq_printf(m, "  SYNC_1: 0x%08x\n",
727                            error->semaphore_mboxes[ring][1]);
728         }
729         seq_printf(m, "  seqno: 0x%08x\n", error->seqno[ring]);
730         seq_printf(m, "  ring->head: 0x%08x\n", error->cpu_ring_head[ring]);
731         seq_printf(m, "  ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]);
732 }
733
734 static int i915_error_state(struct seq_file *m, void *unused)
735 {
736         struct drm_info_node *node = (struct drm_info_node *) m->private;
737         struct drm_device *dev = node->minor->dev;
738         drm_i915_private_t *dev_priv = dev->dev_private;
739         struct drm_i915_error_state *error;
740         unsigned long flags;
741         int i, page, offset, elt;
742
743         spin_lock_irqsave(&dev_priv->error_lock, flags);
744         if (!dev_priv->first_error) {
745                 seq_printf(m, "no error state collected\n");
746                 goto out;
747         }
748
749         error = dev_priv->first_error;
750
751         seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
752                    error->time.tv_usec);
753         seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
754         seq_printf(m, "EIR: 0x%08x\n", error->eir);
755         seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
756
757         for (i = 0; i < dev_priv->num_fence_regs; i++)
758                 seq_printf(m, "  fence[%d] = %08llx\n", i, error->fence[i]);
759
760         if (INTEL_INFO(dev)->gen >= 6) {
761                 seq_printf(m, "ERROR: 0x%08x\n", error->error);
762                 seq_printf(m, "DONE_REG: 0x%08x\n", error->done_reg);
763         }
764
765         i915_ring_error_state(m, dev, error, RCS);
766         if (HAS_BLT(dev))
767                 i915_ring_error_state(m, dev, error, BCS);
768         if (HAS_BSD(dev))
769                 i915_ring_error_state(m, dev, error, VCS);
770
771         if (error->active_bo)
772                 print_error_buffers(m, "Active",
773                                     error->active_bo,
774                                     error->active_bo_count);
775
776         if (error->pinned_bo)
777                 print_error_buffers(m, "Pinned",
778                                     error->pinned_bo,
779                                     error->pinned_bo_count);
780
781         for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
782                 if (error->batchbuffer[i]) {
783                         struct drm_i915_error_object *obj = error->batchbuffer[i];
784
785                         seq_printf(m, "%s --- gtt_offset = 0x%08x\n",
786                                    dev_priv->ring[i].name,
787                                    obj->gtt_offset);
788                         offset = 0;
789                         for (page = 0; page < obj->page_count; page++) {
790                                 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
791                                         seq_printf(m, "%08x :  %08x\n", offset, obj->pages[page][elt]);
792                                         offset += 4;
793                                 }
794                         }
795                 }
796         }
797
798         for (i = 0; i < ARRAY_SIZE(error->ringbuffer); i++) {
799                 if (error->ringbuffer[i]) {
800                         struct drm_i915_error_object *obj = error->ringbuffer[i];
801                         seq_printf(m, "%s --- ringbuffer = 0x%08x\n",
802                                    dev_priv->ring[i].name,
803                                    obj->gtt_offset);
804                         offset = 0;
805                         for (page = 0; page < obj->page_count; page++) {
806                                 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
807                                         seq_printf(m, "%08x :  %08x\n",
808                                                    offset,
809                                                    obj->pages[page][elt]);
810                                         offset += 4;
811                                 }
812                         }
813                 }
814         }
815
816         if (error->overlay)
817                 intel_overlay_print_error_state(m, error->overlay);
818
819         if (error->display)
820                 intel_display_print_error_state(m, dev, error->display);
821
822 out:
823         spin_unlock_irqrestore(&dev_priv->error_lock, flags);
824
825         return 0;
826 }
827
828 static int i915_rstdby_delays(struct seq_file *m, void *unused)
829 {
830         struct drm_info_node *node = (struct drm_info_node *) m->private;
831         struct drm_device *dev = node->minor->dev;
832         drm_i915_private_t *dev_priv = dev->dev_private;
833         u16 crstanddelay;
834         int ret;
835
836         ret = mutex_lock_interruptible(&dev->struct_mutex);
837         if (ret)
838                 return ret;
839
840         crstanddelay = I915_READ16(CRSTANDVID);
841
842         mutex_unlock(&dev->struct_mutex);
843
844         seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
845
846         return 0;
847 }
848
849 static int i915_cur_delayinfo(struct seq_file *m, void *unused)
850 {
851         struct drm_info_node *node = (struct drm_info_node *) m->private;
852         struct drm_device *dev = node->minor->dev;
853         drm_i915_private_t *dev_priv = dev->dev_private;
854         int ret;
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) || IS_GEN7(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                 ret = mutex_lock_interruptible(&dev->struct_mutex);
877                 if (ret)
878                         return ret;
879
880                 gen6_gt_force_wake_get(dev_priv);
881
882                 rpstat = I915_READ(GEN6_RPSTAT1);
883                 rpupei = I915_READ(GEN6_RP_CUR_UP_EI);
884                 rpcurup = I915_READ(GEN6_RP_CUR_UP);
885                 rpprevup = I915_READ(GEN6_RP_PREV_UP);
886                 rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI);
887                 rpcurdown = I915_READ(GEN6_RP_CUR_DOWN);
888                 rpprevdown = I915_READ(GEN6_RP_PREV_DOWN);
889
890                 gen6_gt_force_wake_put(dev_priv);
891                 mutex_unlock(&dev->struct_mutex);
892
893                 seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
894                 seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat);
895                 seq_printf(m, "Render p-state ratio: %d\n",
896                            (gt_perf_status & 0xff00) >> 8);
897                 seq_printf(m, "Render p-state VID: %d\n",
898                            gt_perf_status & 0xff);
899                 seq_printf(m, "Render p-state limit: %d\n",
900                            rp_state_limits & 0xff);
901                 seq_printf(m, "CAGF: %dMHz\n", ((rpstat & GEN6_CAGF_MASK) >>
902                                                 GEN6_CAGF_SHIFT) * 50);
903                 seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
904                            GEN6_CURICONT_MASK);
905                 seq_printf(m, "RP CUR UP: %dus\n", rpcurup &
906                            GEN6_CURBSYTAVG_MASK);
907                 seq_printf(m, "RP PREV UP: %dus\n", rpprevup &
908                            GEN6_CURBSYTAVG_MASK);
909                 seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei &
910                            GEN6_CURIAVG_MASK);
911                 seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown &
912                            GEN6_CURBSYTAVG_MASK);
913                 seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown &
914                            GEN6_CURBSYTAVG_MASK);
915
916                 max_freq = (rp_state_cap & 0xff0000) >> 16;
917                 seq_printf(m, "Lowest (RPN) frequency: %dMHz\n",
918                            max_freq * 50);
919
920                 max_freq = (rp_state_cap & 0xff00) >> 8;
921                 seq_printf(m, "Nominal (RP1) frequency: %dMHz\n",
922                            max_freq * 50);
923
924                 max_freq = rp_state_cap & 0xff;
925                 seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n",
926                            max_freq * 50);
927         } else {
928                 seq_printf(m, "no P-state info available\n");
929         }
930
931         return 0;
932 }
933
934 static int i915_delayfreq_table(struct seq_file *m, void *unused)
935 {
936         struct drm_info_node *node = (struct drm_info_node *) m->private;
937         struct drm_device *dev = node->minor->dev;
938         drm_i915_private_t *dev_priv = dev->dev_private;
939         u32 delayfreq;
940         int ret, i;
941
942         ret = mutex_lock_interruptible(&dev->struct_mutex);
943         if (ret)
944                 return ret;
945
946         for (i = 0; i < 16; i++) {
947                 delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
948                 seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq,
949                            (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
950         }
951
952         mutex_unlock(&dev->struct_mutex);
953
954         return 0;
955 }
956
957 static inline int MAP_TO_MV(int map)
958 {
959         return 1250 - (map * 25);
960 }
961
962 static int i915_inttoext_table(struct seq_file *m, void *unused)
963 {
964         struct drm_info_node *node = (struct drm_info_node *) m->private;
965         struct drm_device *dev = node->minor->dev;
966         drm_i915_private_t *dev_priv = dev->dev_private;
967         u32 inttoext;
968         int ret, i;
969
970         ret = mutex_lock_interruptible(&dev->struct_mutex);
971         if (ret)
972                 return ret;
973
974         for (i = 1; i <= 32; i++) {
975                 inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
976                 seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
977         }
978
979         mutex_unlock(&dev->struct_mutex);
980
981         return 0;
982 }
983
984 static int ironlake_drpc_info(struct seq_file *m)
985 {
986         struct drm_info_node *node = (struct drm_info_node *) m->private;
987         struct drm_device *dev = node->minor->dev;
988         drm_i915_private_t *dev_priv = dev->dev_private;
989         u32 rgvmodectl, rstdbyctl;
990         u16 crstandvid;
991         int ret;
992
993         ret = mutex_lock_interruptible(&dev->struct_mutex);
994         if (ret)
995                 return ret;
996
997         rgvmodectl = I915_READ(MEMMODECTL);
998         rstdbyctl = I915_READ(RSTDBYCTL);
999         crstandvid = I915_READ16(CRSTANDVID);
1000
1001         mutex_unlock(&dev->struct_mutex);
1002
1003         seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
1004                    "yes" : "no");
1005         seq_printf(m, "Boost freq: %d\n",
1006                    (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
1007                    MEMMODE_BOOST_FREQ_SHIFT);
1008         seq_printf(m, "HW control enabled: %s\n",
1009                    rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no");
1010         seq_printf(m, "SW control enabled: %s\n",
1011                    rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no");
1012         seq_printf(m, "Gated voltage change: %s\n",
1013                    rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no");
1014         seq_printf(m, "Starting frequency: P%d\n",
1015                    (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
1016         seq_printf(m, "Max P-state: P%d\n",
1017                    (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
1018         seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
1019         seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
1020         seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
1021         seq_printf(m, "Render standby enabled: %s\n",
1022                    (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes");
1023         seq_printf(m, "Current RS state: ");
1024         switch (rstdbyctl & RSX_STATUS_MASK) {
1025         case RSX_STATUS_ON:
1026                 seq_printf(m, "on\n");
1027                 break;
1028         case RSX_STATUS_RC1:
1029                 seq_printf(m, "RC1\n");
1030                 break;
1031         case RSX_STATUS_RC1E:
1032                 seq_printf(m, "RC1E\n");
1033                 break;
1034         case RSX_STATUS_RS1:
1035                 seq_printf(m, "RS1\n");
1036                 break;
1037         case RSX_STATUS_RS2:
1038                 seq_printf(m, "RS2 (RC6)\n");
1039                 break;
1040         case RSX_STATUS_RS3:
1041                 seq_printf(m, "RC3 (RC6+)\n");
1042                 break;
1043         default:
1044                 seq_printf(m, "unknown\n");
1045                 break;
1046         }
1047
1048         return 0;
1049 }
1050
1051 static int gen6_drpc_info(struct seq_file *m)
1052 {
1053
1054         struct drm_info_node *node = (struct drm_info_node *) m->private;
1055         struct drm_device *dev = node->minor->dev;
1056         struct drm_i915_private *dev_priv = dev->dev_private;
1057         u32 rpmodectl1, gt_core_status, rcctl1;
1058         unsigned forcewake_count;
1059         int count=0, ret;
1060
1061
1062         ret = mutex_lock_interruptible(&dev->struct_mutex);
1063         if (ret)
1064                 return ret;
1065
1066         spin_lock_irq(&dev_priv->gt_lock);
1067         forcewake_count = dev_priv->forcewake_count;
1068         spin_unlock_irq(&dev_priv->gt_lock);
1069
1070         if (forcewake_count) {
1071                 seq_printf(m, "RC information inaccurate because somebody "
1072                               "holds a forcewake reference \n");
1073         } else {
1074                 /* NB: we cannot use forcewake, else we read the wrong values */
1075                 while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1))
1076                         udelay(10);
1077                 seq_printf(m, "RC information accurate: %s\n", yesno(count < 51));
1078         }
1079
1080         gt_core_status = readl(dev_priv->regs + GEN6_GT_CORE_STATUS);
1081         trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4);
1082
1083         rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
1084         rcctl1 = I915_READ(GEN6_RC_CONTROL);
1085         mutex_unlock(&dev->struct_mutex);
1086
1087         seq_printf(m, "Video Turbo Mode: %s\n",
1088                    yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO));
1089         seq_printf(m, "HW control enabled: %s\n",
1090                    yesno(rpmodectl1 & GEN6_RP_ENABLE));
1091         seq_printf(m, "SW control enabled: %s\n",
1092                    yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) ==
1093                           GEN6_RP_MEDIA_SW_MODE));
1094         seq_printf(m, "RC1e Enabled: %s\n",
1095                    yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE));
1096         seq_printf(m, "RC6 Enabled: %s\n",
1097                    yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
1098         seq_printf(m, "Deep RC6 Enabled: %s\n",
1099                    yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE));
1100         seq_printf(m, "Deepest RC6 Enabled: %s\n",
1101                    yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE));
1102         seq_printf(m, "Current RC state: ");
1103         switch (gt_core_status & GEN6_RCn_MASK) {
1104         case GEN6_RC0:
1105                 if (gt_core_status & GEN6_CORE_CPD_STATE_MASK)
1106                         seq_printf(m, "Core Power Down\n");
1107                 else
1108                         seq_printf(m, "on\n");
1109                 break;
1110         case GEN6_RC3:
1111                 seq_printf(m, "RC3\n");
1112                 break;
1113         case GEN6_RC6:
1114                 seq_printf(m, "RC6\n");
1115                 break;
1116         case GEN6_RC7:
1117                 seq_printf(m, "RC7\n");
1118                 break;
1119         default:
1120                 seq_printf(m, "Unknown\n");
1121                 break;
1122         }
1123
1124         seq_printf(m, "Core Power Down: %s\n",
1125                    yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK));
1126         return 0;
1127 }
1128
1129 static int i915_drpc_info(struct seq_file *m, void *unused)
1130 {
1131         struct drm_info_node *node = (struct drm_info_node *) m->private;
1132         struct drm_device *dev = node->minor->dev;
1133
1134         if (IS_GEN6(dev) || IS_GEN7(dev))
1135                 return gen6_drpc_info(m);
1136         else
1137                 return ironlake_drpc_info(m);
1138 }
1139
1140 static int i915_fbc_status(struct seq_file *m, void *unused)
1141 {
1142         struct drm_info_node *node = (struct drm_info_node *) m->private;
1143         struct drm_device *dev = node->minor->dev;
1144         drm_i915_private_t *dev_priv = dev->dev_private;
1145
1146         if (!I915_HAS_FBC(dev)) {
1147                 seq_printf(m, "FBC unsupported on this chipset\n");
1148                 return 0;
1149         }
1150
1151         if (intel_fbc_enabled(dev)) {
1152                 seq_printf(m, "FBC enabled\n");
1153         } else {
1154                 seq_printf(m, "FBC disabled: ");
1155                 switch (dev_priv->no_fbc_reason) {
1156                 case FBC_NO_OUTPUT:
1157                         seq_printf(m, "no outputs");
1158                         break;
1159                 case FBC_STOLEN_TOO_SMALL:
1160                         seq_printf(m, "not enough stolen memory");
1161                         break;
1162                 case FBC_UNSUPPORTED_MODE:
1163                         seq_printf(m, "mode not supported");
1164                         break;
1165                 case FBC_MODE_TOO_LARGE:
1166                         seq_printf(m, "mode too large");
1167                         break;
1168                 case FBC_BAD_PLANE:
1169                         seq_printf(m, "FBC unsupported on plane");
1170                         break;
1171                 case FBC_NOT_TILED:
1172                         seq_printf(m, "scanout buffer not tiled");
1173                         break;
1174                 case FBC_MULTIPLE_PIPES:
1175                         seq_printf(m, "multiple pipes are enabled");
1176                         break;
1177                 case FBC_MODULE_PARAM:
1178                         seq_printf(m, "disabled per module param (default off)");
1179                         break;
1180                 default:
1181                         seq_printf(m, "unknown reason");
1182                 }
1183                 seq_printf(m, "\n");
1184         }
1185         return 0;
1186 }
1187
1188 static int i915_sr_status(struct seq_file *m, void *unused)
1189 {
1190         struct drm_info_node *node = (struct drm_info_node *) m->private;
1191         struct drm_device *dev = node->minor->dev;
1192         drm_i915_private_t *dev_priv = dev->dev_private;
1193         bool sr_enabled = false;
1194
1195         if (HAS_PCH_SPLIT(dev))
1196                 sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
1197         else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev))
1198                 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
1199         else if (IS_I915GM(dev))
1200                 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
1201         else if (IS_PINEVIEW(dev))
1202                 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
1203
1204         seq_printf(m, "self-refresh: %s\n",
1205                    sr_enabled ? "enabled" : "disabled");
1206
1207         return 0;
1208 }
1209
1210 static int i915_emon_status(struct seq_file *m, void *unused)
1211 {
1212         struct drm_info_node *node = (struct drm_info_node *) m->private;
1213         struct drm_device *dev = node->minor->dev;
1214         drm_i915_private_t *dev_priv = dev->dev_private;
1215         unsigned long temp, chipset, gfx;
1216         int ret;
1217
1218         ret = mutex_lock_interruptible(&dev->struct_mutex);
1219         if (ret)
1220                 return ret;
1221
1222         temp = i915_mch_val(dev_priv);
1223         chipset = i915_chipset_val(dev_priv);
1224         gfx = i915_gfx_val(dev_priv);
1225         mutex_unlock(&dev->struct_mutex);
1226
1227         seq_printf(m, "GMCH temp: %ld\n", temp);
1228         seq_printf(m, "Chipset power: %ld\n", chipset);
1229         seq_printf(m, "GFX power: %ld\n", gfx);
1230         seq_printf(m, "Total power: %ld\n", chipset + gfx);
1231
1232         return 0;
1233 }
1234
1235 static int i915_ring_freq_table(struct seq_file *m, void *unused)
1236 {
1237         struct drm_info_node *node = (struct drm_info_node *) m->private;
1238         struct drm_device *dev = node->minor->dev;
1239         drm_i915_private_t *dev_priv = dev->dev_private;
1240         int ret;
1241         int gpu_freq, ia_freq;
1242
1243         if (!(IS_GEN6(dev) || IS_GEN7(dev))) {
1244                 seq_printf(m, "unsupported on this chipset\n");
1245                 return 0;
1246         }
1247
1248         ret = mutex_lock_interruptible(&dev->struct_mutex);
1249         if (ret)
1250                 return ret;
1251
1252         seq_printf(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\n");
1253
1254         for (gpu_freq = dev_priv->min_delay; gpu_freq <= dev_priv->max_delay;
1255              gpu_freq++) {
1256                 I915_WRITE(GEN6_PCODE_DATA, gpu_freq);
1257                 I915_WRITE(GEN6_PCODE_MAILBOX, GEN6_PCODE_READY |
1258                            GEN6_PCODE_READ_MIN_FREQ_TABLE);
1259                 if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) &
1260                               GEN6_PCODE_READY) == 0, 10)) {
1261                         DRM_ERROR("pcode read of freq table timed out\n");
1262                         continue;
1263                 }
1264                 ia_freq = I915_READ(GEN6_PCODE_DATA);
1265                 seq_printf(m, "%d\t\t%d\n", gpu_freq * 50, ia_freq * 100);
1266         }
1267
1268         mutex_unlock(&dev->struct_mutex);
1269
1270         return 0;
1271 }
1272
1273 static int i915_gfxec(struct seq_file *m, void *unused)
1274 {
1275         struct drm_info_node *node = (struct drm_info_node *) m->private;
1276         struct drm_device *dev = node->minor->dev;
1277         drm_i915_private_t *dev_priv = dev->dev_private;
1278         int ret;
1279
1280         ret = mutex_lock_interruptible(&dev->struct_mutex);
1281         if (ret)
1282                 return ret;
1283
1284         seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
1285
1286         mutex_unlock(&dev->struct_mutex);
1287
1288         return 0;
1289 }
1290
1291 static int i915_opregion(struct seq_file *m, void *unused)
1292 {
1293         struct drm_info_node *node = (struct drm_info_node *) m->private;
1294         struct drm_device *dev = node->minor->dev;
1295         drm_i915_private_t *dev_priv = dev->dev_private;
1296         struct intel_opregion *opregion = &dev_priv->opregion;
1297         int ret;
1298
1299         ret = mutex_lock_interruptible(&dev->struct_mutex);
1300         if (ret)
1301                 return ret;
1302
1303         if (opregion->header)
1304                 seq_write(m, opregion->header, OPREGION_SIZE);
1305
1306         mutex_unlock(&dev->struct_mutex);
1307
1308         return 0;
1309 }
1310
1311 static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
1312 {
1313         struct drm_info_node *node = (struct drm_info_node *) m->private;
1314         struct drm_device *dev = node->minor->dev;
1315         drm_i915_private_t *dev_priv = dev->dev_private;
1316         struct intel_fbdev *ifbdev;
1317         struct intel_framebuffer *fb;
1318         int ret;
1319
1320         ret = mutex_lock_interruptible(&dev->mode_config.mutex);
1321         if (ret)
1322                 return ret;
1323
1324         ifbdev = dev_priv->fbdev;
1325         fb = to_intel_framebuffer(ifbdev->helper.fb);
1326
1327         seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
1328                    fb->base.width,
1329                    fb->base.height,
1330                    fb->base.depth,
1331                    fb->base.bits_per_pixel);
1332         describe_obj(m, fb->obj);
1333         seq_printf(m, "\n");
1334
1335         list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) {
1336                 if (&fb->base == ifbdev->helper.fb)
1337                         continue;
1338
1339                 seq_printf(m, "user size: %d x %d, depth %d, %d bpp, obj ",
1340                            fb->base.width,
1341                            fb->base.height,
1342                            fb->base.depth,
1343                            fb->base.bits_per_pixel);
1344                 describe_obj(m, fb->obj);
1345                 seq_printf(m, "\n");
1346         }
1347
1348         mutex_unlock(&dev->mode_config.mutex);
1349
1350         return 0;
1351 }
1352
1353 static int i915_context_status(struct seq_file *m, void *unused)
1354 {
1355         struct drm_info_node *node = (struct drm_info_node *) m->private;
1356         struct drm_device *dev = node->minor->dev;
1357         drm_i915_private_t *dev_priv = dev->dev_private;
1358         int ret;
1359
1360         ret = mutex_lock_interruptible(&dev->mode_config.mutex);
1361         if (ret)
1362                 return ret;
1363
1364         if (dev_priv->pwrctx) {
1365                 seq_printf(m, "power context ");
1366                 describe_obj(m, dev_priv->pwrctx);
1367                 seq_printf(m, "\n");
1368         }
1369
1370         if (dev_priv->renderctx) {
1371                 seq_printf(m, "render context ");
1372                 describe_obj(m, dev_priv->renderctx);
1373                 seq_printf(m, "\n");
1374         }
1375
1376         mutex_unlock(&dev->mode_config.mutex);
1377
1378         return 0;
1379 }
1380
1381 static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data)
1382 {
1383         struct drm_info_node *node = (struct drm_info_node *) m->private;
1384         struct drm_device *dev = node->minor->dev;
1385         struct drm_i915_private *dev_priv = dev->dev_private;
1386         unsigned forcewake_count;
1387
1388         spin_lock_irq(&dev_priv->gt_lock);
1389         forcewake_count = dev_priv->forcewake_count;
1390         spin_unlock_irq(&dev_priv->gt_lock);
1391
1392         seq_printf(m, "forcewake count = %u\n", forcewake_count);
1393
1394         return 0;
1395 }
1396
1397 static const char *swizzle_string(unsigned swizzle)
1398 {
1399         switch(swizzle) {
1400         case I915_BIT_6_SWIZZLE_NONE:
1401                 return "none";
1402         case I915_BIT_6_SWIZZLE_9:
1403                 return "bit9";
1404         case I915_BIT_6_SWIZZLE_9_10:
1405                 return "bit9/bit10";
1406         case I915_BIT_6_SWIZZLE_9_11:
1407                 return "bit9/bit11";
1408         case I915_BIT_6_SWIZZLE_9_10_11:
1409                 return "bit9/bit10/bit11";
1410         case I915_BIT_6_SWIZZLE_9_17:
1411                 return "bit9/bit17";
1412         case I915_BIT_6_SWIZZLE_9_10_17:
1413                 return "bit9/bit10/bit17";
1414         case I915_BIT_6_SWIZZLE_UNKNOWN:
1415                 return "unkown";
1416         }
1417
1418         return "bug";
1419 }
1420
1421 static int i915_swizzle_info(struct seq_file *m, void *data)
1422 {
1423         struct drm_info_node *node = (struct drm_info_node *) m->private;
1424         struct drm_device *dev = node->minor->dev;
1425         struct drm_i915_private *dev_priv = dev->dev_private;
1426
1427         mutex_lock(&dev->struct_mutex);
1428         seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
1429                    swizzle_string(dev_priv->mm.bit_6_swizzle_x));
1430         seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
1431                    swizzle_string(dev_priv->mm.bit_6_swizzle_y));
1432
1433         if (IS_GEN3(dev) || IS_GEN4(dev)) {
1434                 seq_printf(m, "DDC = 0x%08x\n",
1435                            I915_READ(DCC));
1436                 seq_printf(m, "C0DRB3 = 0x%04x\n",
1437                            I915_READ16(C0DRB3));
1438                 seq_printf(m, "C1DRB3 = 0x%04x\n",
1439                            I915_READ16(C1DRB3));
1440         } else if (IS_GEN6(dev) || IS_GEN7(dev)) {
1441                 seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
1442                            I915_READ(MAD_DIMM_C0));
1443                 seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
1444                            I915_READ(MAD_DIMM_C1));
1445                 seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n",
1446                            I915_READ(MAD_DIMM_C2));
1447                 seq_printf(m, "TILECTL = 0x%08x\n",
1448                            I915_READ(TILECTL));
1449                 seq_printf(m, "ARB_MODE = 0x%08x\n",
1450                            I915_READ(ARB_MODE));
1451                 seq_printf(m, "DISP_ARB_CTL = 0x%08x\n",
1452                            I915_READ(DISP_ARB_CTL));
1453         }
1454         mutex_unlock(&dev->struct_mutex);
1455
1456         return 0;
1457 }
1458
1459 static int i915_ppgtt_info(struct seq_file *m, void *data)
1460 {
1461         struct drm_info_node *node = (struct drm_info_node *) m->private;
1462         struct drm_device *dev = node->minor->dev;
1463         struct drm_i915_private *dev_priv = dev->dev_private;
1464         struct intel_ring_buffer *ring;
1465         int i, ret;
1466
1467
1468         ret = mutex_lock_interruptible(&dev->struct_mutex);
1469         if (ret)
1470                 return ret;
1471         if (INTEL_INFO(dev)->gen == 6)
1472                 seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
1473
1474         for (i = 0; i < I915_NUM_RINGS; i++) {
1475                 ring = &dev_priv->ring[i];
1476
1477                 seq_printf(m, "%s\n", ring->name);
1478                 if (INTEL_INFO(dev)->gen == 7)
1479                         seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring)));
1480                 seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring)));
1481                 seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring)));
1482                 seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring)));
1483         }
1484         if (dev_priv->mm.aliasing_ppgtt) {
1485                 struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
1486
1487                 seq_printf(m, "aliasing PPGTT:\n");
1488                 seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset);
1489         }
1490         seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
1491         mutex_unlock(&dev->struct_mutex);
1492
1493         return 0;
1494 }
1495
1496 static int
1497 i915_debugfs_common_open(struct inode *inode,
1498                          struct file *filp)
1499 {
1500         filp->private_data = inode->i_private;
1501         return 0;
1502 }
1503
1504 static ssize_t
1505 i915_wedged_read(struct file *filp,
1506                  char __user *ubuf,
1507                  size_t max,
1508                  loff_t *ppos)
1509 {
1510         struct drm_device *dev = filp->private_data;
1511         drm_i915_private_t *dev_priv = dev->dev_private;
1512         char buf[80];
1513         int len;
1514
1515         len = snprintf(buf, sizeof(buf),
1516                        "wedged :  %d\n",
1517                        atomic_read(&dev_priv->mm.wedged));
1518
1519         if (len > sizeof(buf))
1520                 len = sizeof(buf);
1521
1522         return simple_read_from_buffer(ubuf, max, ppos, buf, len);
1523 }
1524
1525 static ssize_t
1526 i915_wedged_write(struct file *filp,
1527                   const char __user *ubuf,
1528                   size_t cnt,
1529                   loff_t *ppos)
1530 {
1531         struct drm_device *dev = filp->private_data;
1532         char buf[20];
1533         int val = 1;
1534
1535         if (cnt > 0) {
1536                 if (cnt > sizeof(buf) - 1)
1537                         return -EINVAL;
1538
1539                 if (copy_from_user(buf, ubuf, cnt))
1540                         return -EFAULT;
1541                 buf[cnt] = 0;
1542
1543                 val = simple_strtoul(buf, NULL, 0);
1544         }
1545
1546         DRM_INFO("Manually setting wedged to %d\n", val);
1547         i915_handle_error(dev, val);
1548
1549         return cnt;
1550 }
1551
1552 static const struct file_operations i915_wedged_fops = {
1553         .owner = THIS_MODULE,
1554         .open = i915_debugfs_common_open,
1555         .read = i915_wedged_read,
1556         .write = i915_wedged_write,
1557         .llseek = default_llseek,
1558 };
1559
1560 static ssize_t
1561 i915_max_freq_read(struct file *filp,
1562                    char __user *ubuf,
1563                    size_t max,
1564                    loff_t *ppos)
1565 {
1566         struct drm_device *dev = filp->private_data;
1567         drm_i915_private_t *dev_priv = dev->dev_private;
1568         char buf[80];
1569         int len;
1570
1571         len = snprintf(buf, sizeof(buf),
1572                        "max freq: %d\n", dev_priv->max_delay * 50);
1573
1574         if (len > sizeof(buf))
1575                 len = sizeof(buf);
1576
1577         return simple_read_from_buffer(ubuf, max, ppos, buf, len);
1578 }
1579
1580 static ssize_t
1581 i915_max_freq_write(struct file *filp,
1582                   const char __user *ubuf,
1583                   size_t cnt,
1584                   loff_t *ppos)
1585 {
1586         struct drm_device *dev = filp->private_data;
1587         struct drm_i915_private *dev_priv = dev->dev_private;
1588         char buf[20];
1589         int val = 1;
1590
1591         if (cnt > 0) {
1592                 if (cnt > sizeof(buf) - 1)
1593                         return -EINVAL;
1594
1595                 if (copy_from_user(buf, ubuf, cnt))
1596                         return -EFAULT;
1597                 buf[cnt] = 0;
1598
1599                 val = simple_strtoul(buf, NULL, 0);
1600         }
1601
1602         DRM_DEBUG_DRIVER("Manually setting max freq to %d\n", val);
1603
1604         /*
1605          * Turbo will still be enabled, but won't go above the set value.
1606          */
1607         dev_priv->max_delay = val / 50;
1608
1609         gen6_set_rps(dev, val / 50);
1610
1611         return cnt;
1612 }
1613
1614 static const struct file_operations i915_max_freq_fops = {
1615         .owner = THIS_MODULE,
1616         .open = i915_debugfs_common_open,
1617         .read = i915_max_freq_read,
1618         .write = i915_max_freq_write,
1619         .llseek = default_llseek,
1620 };
1621
1622 static ssize_t
1623 i915_cache_sharing_read(struct file *filp,
1624                    char __user *ubuf,
1625                    size_t max,
1626                    loff_t *ppos)
1627 {
1628         struct drm_device *dev = filp->private_data;
1629         drm_i915_private_t *dev_priv = dev->dev_private;
1630         char buf[80];
1631         u32 snpcr;
1632         int len;
1633
1634         mutex_lock(&dev_priv->dev->struct_mutex);
1635         snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
1636         mutex_unlock(&dev_priv->dev->struct_mutex);
1637
1638         len = snprintf(buf, sizeof(buf),
1639                        "%d\n", (snpcr & GEN6_MBC_SNPCR_MASK) >>
1640                        GEN6_MBC_SNPCR_SHIFT);
1641
1642         if (len > sizeof(buf))
1643                 len = sizeof(buf);
1644
1645         return simple_read_from_buffer(ubuf, max, ppos, buf, len);
1646 }
1647
1648 static ssize_t
1649 i915_cache_sharing_write(struct file *filp,
1650                   const char __user *ubuf,
1651                   size_t cnt,
1652                   loff_t *ppos)
1653 {
1654         struct drm_device *dev = filp->private_data;
1655         struct drm_i915_private *dev_priv = dev->dev_private;
1656         char buf[20];
1657         u32 snpcr;
1658         int val = 1;
1659
1660         if (cnt > 0) {
1661                 if (cnt > sizeof(buf) - 1)
1662                         return -EINVAL;
1663
1664                 if (copy_from_user(buf, ubuf, cnt))
1665                         return -EFAULT;
1666                 buf[cnt] = 0;
1667
1668                 val = simple_strtoul(buf, NULL, 0);
1669         }
1670
1671         if (val < 0 || val > 3)
1672                 return -EINVAL;
1673
1674         DRM_DEBUG_DRIVER("Manually setting uncore sharing to %d\n", val);
1675
1676         /* Update the cache sharing policy here as well */
1677         snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
1678         snpcr &= ~GEN6_MBC_SNPCR_MASK;
1679         snpcr |= (val << GEN6_MBC_SNPCR_SHIFT);
1680         I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr);
1681
1682         return cnt;
1683 }
1684
1685 static const struct file_operations i915_cache_sharing_fops = {
1686         .owner = THIS_MODULE,
1687         .open = i915_debugfs_common_open,
1688         .read = i915_cache_sharing_read,
1689         .write = i915_cache_sharing_write,
1690         .llseek = default_llseek,
1691 };
1692
1693 /* As the drm_debugfs_init() routines are called before dev->dev_private is
1694  * allocated we need to hook into the minor for release. */
1695 static int
1696 drm_add_fake_info_node(struct drm_minor *minor,
1697                        struct dentry *ent,
1698                        const void *key)
1699 {
1700         struct drm_info_node *node;
1701
1702         node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
1703         if (node == NULL) {
1704                 debugfs_remove(ent);
1705                 return -ENOMEM;
1706         }
1707
1708         node->minor = minor;
1709         node->dent = ent;
1710         node->info_ent = (void *) key;
1711
1712         mutex_lock(&minor->debugfs_lock);
1713         list_add(&node->list, &minor->debugfs_list);
1714         mutex_unlock(&minor->debugfs_lock);
1715
1716         return 0;
1717 }
1718
1719 static int i915_forcewake_open(struct inode *inode, struct file *file)
1720 {
1721         struct drm_device *dev = inode->i_private;
1722         struct drm_i915_private *dev_priv = dev->dev_private;
1723         int ret;
1724
1725         if (INTEL_INFO(dev)->gen < 6)
1726                 return 0;
1727
1728         ret = mutex_lock_interruptible(&dev->struct_mutex);
1729         if (ret)
1730                 return ret;
1731         gen6_gt_force_wake_get(dev_priv);
1732         mutex_unlock(&dev->struct_mutex);
1733
1734         return 0;
1735 }
1736
1737 int i915_forcewake_release(struct inode *inode, struct file *file)
1738 {
1739         struct drm_device *dev = inode->i_private;
1740         struct drm_i915_private *dev_priv = dev->dev_private;
1741
1742         if (INTEL_INFO(dev)->gen < 6)
1743                 return 0;
1744
1745         /*
1746          * It's bad that we can potentially hang userspace if struct_mutex gets
1747          * forever stuck.  However, if we cannot acquire this lock it means that
1748          * almost certainly the driver has hung, is not unload-able. Therefore
1749          * hanging here is probably a minor inconvenience not to be seen my
1750          * almost every user.
1751          */
1752         mutex_lock(&dev->struct_mutex);
1753         gen6_gt_force_wake_put(dev_priv);
1754         mutex_unlock(&dev->struct_mutex);
1755
1756         return 0;
1757 }
1758
1759 static const struct file_operations i915_forcewake_fops = {
1760         .owner = THIS_MODULE,
1761         .open = i915_forcewake_open,
1762         .release = i915_forcewake_release,
1763 };
1764
1765 static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
1766 {
1767         struct drm_device *dev = minor->dev;
1768         struct dentry *ent;
1769
1770         ent = debugfs_create_file("i915_forcewake_user",
1771                                   S_IRUSR,
1772                                   root, dev,
1773                                   &i915_forcewake_fops);
1774         if (IS_ERR(ent))
1775                 return PTR_ERR(ent);
1776
1777         return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
1778 }
1779
1780 static int i915_debugfs_create(struct dentry *root,
1781                                struct drm_minor *minor,
1782                                const char *name,
1783                                const struct file_operations *fops)
1784 {
1785         struct drm_device *dev = minor->dev;
1786         struct dentry *ent;
1787
1788         ent = debugfs_create_file(name,
1789                                   S_IRUGO | S_IWUSR,
1790                                   root, dev,
1791                                   fops);
1792         if (IS_ERR(ent))
1793                 return PTR_ERR(ent);
1794
1795         return drm_add_fake_info_node(minor, ent, fops);
1796 }
1797
1798 static struct drm_info_list i915_debugfs_list[] = {
1799         {"i915_capabilities", i915_capabilities, 0},
1800         {"i915_gem_objects", i915_gem_object_info, 0},
1801         {"i915_gem_gtt", i915_gem_gtt_info, 0},
1802         {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
1803         {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
1804         {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
1805         {"i915_gem_pinned", i915_gem_object_list_info, 0, (void *) PINNED_LIST},
1806         {"i915_gem_deferred_free", i915_gem_object_list_info, 0, (void *) DEFERRED_FREE_LIST},
1807         {"i915_gem_pageflip", i915_gem_pageflip_info, 0},
1808         {"i915_gem_request", i915_gem_request_info, 0},
1809         {"i915_gem_seqno", i915_gem_seqno_info, 0},
1810         {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
1811         {"i915_gem_interrupt", i915_interrupt_info, 0},
1812         {"i915_gem_hws", i915_hws_info, 0, (void *)RCS},
1813         {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS},
1814         {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},
1815         {"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RCS},
1816         {"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RCS},
1817         {"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)VCS},
1818         {"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)VCS},
1819         {"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BCS},
1820         {"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BCS},
1821         {"i915_error_state", i915_error_state, 0},
1822         {"i915_rstdby_delays", i915_rstdby_delays, 0},
1823         {"i915_cur_delayinfo", i915_cur_delayinfo, 0},
1824         {"i915_delayfreq_table", i915_delayfreq_table, 0},
1825         {"i915_inttoext_table", i915_inttoext_table, 0},
1826         {"i915_drpc_info", i915_drpc_info, 0},
1827         {"i915_emon_status", i915_emon_status, 0},
1828         {"i915_ring_freq_table", i915_ring_freq_table, 0},
1829         {"i915_gfxec", i915_gfxec, 0},
1830         {"i915_fbc_status", i915_fbc_status, 0},
1831         {"i915_sr_status", i915_sr_status, 0},
1832         {"i915_opregion", i915_opregion, 0},
1833         {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
1834         {"i915_context_status", i915_context_status, 0},
1835         {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0},
1836         {"i915_swizzle_info", i915_swizzle_info, 0},
1837         {"i915_ppgtt_info", i915_ppgtt_info, 0},
1838 };
1839 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1840
1841 int i915_debugfs_init(struct drm_minor *minor)
1842 {
1843         int ret;
1844
1845         ret = i915_debugfs_create(minor->debugfs_root, minor,
1846                                   "i915_wedged",
1847                                   &i915_wedged_fops);
1848         if (ret)
1849                 return ret;
1850
1851         ret = i915_forcewake_create(minor->debugfs_root, minor);
1852         if (ret)
1853                 return ret;
1854
1855         ret = i915_debugfs_create(minor->debugfs_root, minor,
1856                                   "i915_max_freq",
1857                                   &i915_max_freq_fops);
1858         if (ret)
1859                 return ret;
1860
1861         ret = i915_debugfs_create(minor->debugfs_root, minor,
1862                                   "i915_cache_sharing",
1863                                   &i915_cache_sharing_fops);
1864         if (ret)
1865                 return ret;
1866
1867         return drm_debugfs_create_files(i915_debugfs_list,
1868                                         I915_DEBUGFS_ENTRIES,
1869                                         minor->debugfs_root, minor);
1870 }
1871
1872 void i915_debugfs_cleanup(struct drm_minor *minor)
1873 {
1874         drm_debugfs_remove_files(i915_debugfs_list,
1875                                  I915_DEBUGFS_ENTRIES, minor);
1876         drm_debugfs_remove_files((struct drm_info_list *) &i915_forcewake_fops,
1877                                  1, minor);
1878         drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops,
1879                                  1, minor);
1880         drm_debugfs_remove_files((struct drm_info_list *) &i915_max_freq_fops,
1881                                  1, minor);
1882         drm_debugfs_remove_files((struct drm_info_list *) &i915_cache_sharing_fops,
1883                                  1, minor);
1884 }
1885
1886 #endif /* CONFIG_DEBUG_FS */