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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
[net-next-2.6.git] / drivers / gpu / drm / i915 / i915_debugfs.c
CommitLineData
2017263e
BG		 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>
f3cd474b 30#include <linux/debugfs.h>
5a0e3ad6 31#include <linux/slab.h>
2017263e
BG		 32#include "drmP.h"
33#include "drm.h"
4e5359cd 34#include "intel_drv.h"
2017263e
BG		 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
433e12f7
BG		 43#define ACTIVE_LIST 1
44#define FLUSHING_LIST 2
45#define INACTIVE_LIST 3
2017263e 46
a6172a80
CW		 47static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
48{
49 if (obj_priv->user_pin_count > 0)
50 return "P";
51 else if (obj_priv->pin_count > 0)
52 return "p";
53 else
54 return " ";
55}
56
57static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
58{
59 switch (obj_priv->tiling_mode) {
60 default:
61 case I915_TILING_NONE: return " ";
62 case I915_TILING_X: return "X";
63 case I915_TILING_Y: return "Y";
64 }
65}
66
433e12f7 67static int i915_gem_object_list_info(struct seq_file *m, void *data)
2017263e
BG		 68{
69 struct drm_info_node *node = (struct drm_info_node *) m->private;
433e12f7
BG		 70 uintptr_t list = (uintptr_t) node->info_ent->data;
71 struct list_head *head;
2017263e
BG		 72 struct drm_device *dev = node->minor->dev;
73 drm_i915_private_t *dev_priv = dev->dev_private;
74 struct drm_i915_gem_object *obj_priv;
5e118f41 75 spinlock_t *lock = NULL;
2017263e 76
433e12f7
BG		 77 switch (list) {
78 case ACTIVE_LIST:
79 seq_printf(m, "Active:\n");
5e118f41 80 lock = &dev_priv->mm.active_list_lock;
852835f3 81 head = &dev_priv->render_ring.active_list;
433e12f7
BG		 82 break;
83 case INACTIVE_LIST:
a17458fc 84 seq_printf(m, "Inactive:\n");
433e12f7
BG		 85 head = &dev_priv->mm.inactive_list;
86 break;
87 case FLUSHING_LIST:
88 seq_printf(m, "Flushing:\n");
89 head = &dev_priv->mm.flushing_list;
90 break;
91 default:
92 DRM_INFO("Ooops, unexpected list\n");
93 return 0;
2017263e 94 }
2017263e 95
a17458fc
BG		 96 if (lock)
97 spin_lock(lock);
433e12f7 98 list_for_each_entry(obj_priv, head, list)
2017263e 99 {
fcffb947 100 seq_printf(m, " %p: %s %8zd %08x %08x %d%s%s",
a8089e84 101 &obj_priv->base,
a6172a80 102 get_pin_flag(obj_priv),
a8089e84
DV		 103 obj_priv->base.size,
104 obj_priv->base.read_domains,
105 obj_priv->base.write_domain,
725ceaa0 106 obj_priv->last_rendering_seqno,
fcffb947
CW		 107 obj_priv->dirty ? " dirty" : "",
108 obj_priv->madv == I915_MADV_DONTNEED ? " purgeable" : "");
f4ceda89 109
a8089e84
DV		 110 if (obj_priv->base.name)
111 seq_printf(m, " (name: %d)", obj_priv->base.name);
f4ceda89 112 if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
a01c75b3
BG		 113 seq_printf(m, " (fence: %d)", obj_priv->fence_reg);
114 if (obj_priv->gtt_space != NULL)
115 seq_printf(m, " (gtt_offset: %08x)", obj_priv->gtt_offset);
116
f4ceda89 117 seq_printf(m, "\n");
2017263e 118 }
5e118f41
CW		 119
120 if (lock)
121 spin_unlock(lock);
2017263e
BG		 122 return 0;
123}
124
4e5359cd
SF		 125static int i915_gem_pageflip_info(struct seq_file *m, void *data)
126{
127 struct drm_info_node *node = (struct drm_info_node *) m->private;
128 struct drm_device *dev = node->minor->dev;
129 unsigned long flags;
130 struct intel_crtc *crtc;
131
132 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
133 const char *pipe = crtc->pipe ? "B" : "A";
134 const char *plane = crtc->plane ? "B" : "A";
135 struct intel_unpin_work *work;
136
137 spin_lock_irqsave(&dev->event_lock, flags);
138 work = crtc->unpin_work;
139 if (work == NULL) {
140 seq_printf(m, "No flip due on pipe %s (plane %s)\n",
141 pipe, plane);
142 } else {
143 if (!work->pending) {
144 seq_printf(m, "Flip queued on pipe %s (plane %s)\n",
145 pipe, plane);
146 } else {
147 seq_printf(m, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
148 pipe, plane);
149 }
150 if (work->enable_stall_check)
151 seq_printf(m, "Stall check enabled, ");
152 else
153 seq_printf(m, "Stall check waiting for page flip ioctl, ");
154 seq_printf(m, "%d prepares\n", work->pending);
155
156 if (work->old_fb_obj) {
157 struct drm_i915_gem_object *obj_priv = to_intel_bo(work->old_fb_obj);
158 if(obj_priv)
159 seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj_priv->gtt_offset );
160 }
161 if (work->pending_flip_obj) {
162 struct drm_i915_gem_object *obj_priv = to_intel_bo(work->pending_flip_obj);
163 if(obj_priv)
164 seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj_priv->gtt_offset );
165 }
166 }
167 spin_unlock_irqrestore(&dev->event_lock, flags);
168 }
169
170 return 0;
171}
172
2017263e
BG		 173static int i915_gem_request_info(struct seq_file *m, void *data)
174{
175 struct drm_info_node *node = (struct drm_info_node *) m->private;
176 struct drm_device *dev = node->minor->dev;
177 drm_i915_private_t *dev_priv = dev->dev_private;
178 struct drm_i915_gem_request *gem_request;
179
180 seq_printf(m, "Request:\n");
852835f3
ZN		 181 list_for_each_entry(gem_request, &dev_priv->render_ring.request_list,
182 list) {
2017263e
BG		 183 seq_printf(m, " %d @ %d\n",
184 gem_request->seqno,
185 (int) (jiffies - gem_request->emitted_jiffies));
186 }
187 return 0;
188}
189
190static int i915_gem_seqno_info(struct seq_file *m, void *data)
191{
192 struct drm_info_node *node = (struct drm_info_node *) m->private;
193 struct drm_device *dev = node->minor->dev;
194 drm_i915_private_t *dev_priv = dev->dev_private;
195
e20f9c64 196 if (dev_priv->render_ring.status_page.page_addr != NULL) {
2017263e 197 seq_printf(m, "Current sequence: %d\n",
852835f3 198 i915_get_gem_seqno(dev, &dev_priv->render_ring));
2017263e
BG		 199 } else {
200 seq_printf(m, "Current sequence: hws uninitialized\n");
201 }
202 seq_printf(m, "Waiter sequence: %d\n",
203 dev_priv->mm.waiting_gem_seqno);
204 seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
205 return 0;
206}
207
208
209static int i915_interrupt_info(struct seq_file *m, void *data)
210{
211 struct drm_info_node *node = (struct drm_info_node *) m->private;
212 struct drm_device *dev = node->minor->dev;
213 drm_i915_private_t *dev_priv = dev->dev_private;
214
bad720ff 215 if (!HAS_PCH_SPLIT(dev)) {
5f6a1695
ZW		 216 seq_printf(m, "Interrupt enable: %08x\n",
217 I915_READ(IER));
218 seq_printf(m, "Interrupt identity: %08x\n",
219 I915_READ(IIR));
220 seq_printf(m, "Interrupt mask: %08x\n",
221 I915_READ(IMR));
222 seq_printf(m, "Pipe A stat: %08x\n",
223 I915_READ(PIPEASTAT));
224 seq_printf(m, "Pipe B stat: %08x\n",
225 I915_READ(PIPEBSTAT));
226 } else {
227 seq_printf(m, "North Display Interrupt enable: %08x\n",
228 I915_READ(DEIER));
229 seq_printf(m, "North Display Interrupt identity: %08x\n",
230 I915_READ(DEIIR));
231 seq_printf(m, "North Display Interrupt mask: %08x\n",
232 I915_READ(DEIMR));
233 seq_printf(m, "South Display Interrupt enable: %08x\n",
234 I915_READ(SDEIER));
235 seq_printf(m, "South Display Interrupt identity: %08x\n",
236 I915_READ(SDEIIR));
237 seq_printf(m, "South Display Interrupt mask: %08x\n",
238 I915_READ(SDEIMR));
239 seq_printf(m, "Graphics Interrupt enable: %08x\n",
240 I915_READ(GTIER));
241 seq_printf(m, "Graphics Interrupt identity: %08x\n",
242 I915_READ(GTIIR));
243 seq_printf(m, "Graphics Interrupt mask: %08x\n",
244 I915_READ(GTIMR));
245 }
2017263e
BG		 246 seq_printf(m, "Interrupts received: %d\n",
247 atomic_read(&dev_priv->irq_received));
e20f9c64 248 if (dev_priv->render_ring.status_page.page_addr != NULL) {
2017263e 249 seq_printf(m, "Current sequence: %d\n",
852835f3 250 i915_get_gem_seqno(dev, &dev_priv->render_ring));
2017263e
BG		 251 } else {
252 seq_printf(m, "Current sequence: hws uninitialized\n");
253 }
254 seq_printf(m, "Waiter sequence: %d\n",
255 dev_priv->mm.waiting_gem_seqno);
256 seq_printf(m, "IRQ sequence: %d\n",
257 dev_priv->mm.irq_gem_seqno);
258 return 0;
259}
260
a6172a80
CW		 261static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
262{
263 struct drm_info_node *node = (struct drm_info_node *) m->private;
264 struct drm_device *dev = node->minor->dev;
265 drm_i915_private_t *dev_priv = dev->dev_private;
266 int i;
267
268 seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
269 seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
270 for (i = 0; i < dev_priv->num_fence_regs; i++) {
271 struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
272
273 if (obj == NULL) {
274 seq_printf(m, "Fenced object[%2d] = unused\n", i);
275 } else {
276 struct drm_i915_gem_object *obj_priv;
277
23010e43 278 obj_priv = to_intel_bo(obj);
a6172a80 279 seq_printf(m, "Fenced object[%2d] = %p: %s "
0b4d569d 280 "%08x %08zx %08x %s %08x %08x %d",
a6172a80
CW		 281 i, obj, get_pin_flag(obj_priv),
282 obj_priv->gtt_offset,
283 obj->size, obj_priv->stride,
284 get_tiling_flag(obj_priv),
285 obj->read_domains, obj->write_domain,
286 obj_priv->last_rendering_seqno);
287 if (obj->name)
288 seq_printf(m, " (name: %d)", obj->name);
289 seq_printf(m, "\n");
290 }
291 }
292
293 return 0;
294}
295
2017263e
BG		 296static int i915_hws_info(struct seq_file *m, void *data)
297{
298 struct drm_info_node *node = (struct drm_info_node *) m->private;
299 struct drm_device *dev = node->minor->dev;
300 drm_i915_private_t *dev_priv = dev->dev_private;
301 int i;
302 volatile u32 *hws;
303
e20f9c64 304 hws = (volatile u32 *)dev_priv->render_ring.status_page.page_addr;
2017263e
BG		 305 if (hws == NULL)
306 return 0;
307
308 for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
309 seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
310 i * 4,
311 hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
312 }
313 return 0;
314}
315
6911a9b8
BG		 316static void i915_dump_pages(struct seq_file *m, struct page **pages, int page_count)
317{
318 int page, i;
319 uint32_t *mem;
320
321 for (page = 0; page < page_count; page++) {
ba86bf8b 322 mem = kmap_atomic(pages[page], KM_USER0);
6911a9b8
BG		 323 for (i = 0; i < PAGE_SIZE; i += 4)
324 seq_printf(m, "%08x : %08x\n", i, mem[i / 4]);
656cb793 325 kunmap_atomic(mem, KM_USER0);
6911a9b8
BG		 326 }
327}
328
329static int i915_batchbuffer_info(struct seq_file *m, void *data)
330{
331 struct drm_info_node *node = (struct drm_info_node *) m->private;
332 struct drm_device *dev = node->minor->dev;
333 drm_i915_private_t *dev_priv = dev->dev_private;
334 struct drm_gem_object *obj;
335 struct drm_i915_gem_object *obj_priv;
336 int ret;
337
338 spin_lock(&dev_priv->mm.active_list_lock);
339
852835f3
ZN		 340 list_for_each_entry(obj_priv, &dev_priv->render_ring.active_list,
341 list) {
a8089e84 342 obj = &obj_priv->base;
6911a9b8 343 if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
4bdadb97 344 ret = i915_gem_object_get_pages(obj, 0);
6911a9b8
BG		 345 if (ret) {
346 DRM_ERROR("Failed to get pages: %d\n", ret);
347 spin_unlock(&dev_priv->mm.active_list_lock);
348 return ret;
349 }
350
351 seq_printf(m, "--- gtt_offset = 0x%08x\n", obj_priv->gtt_offset);
352 i915_dump_pages(m, obj_priv->pages, obj->size / PAGE_SIZE);
353
354 i915_gem_object_put_pages(obj);
355 }
356 }
357
358 spin_unlock(&dev_priv->mm.active_list_lock);
359
360 return 0;
361}
362
363static int i915_ringbuffer_data(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 u8 *virt;
369 uint32_t *ptr, off;
370
8187a2b7 371 if (!dev_priv->render_ring.gem_object) {
6911a9b8
BG		 372 seq_printf(m, "No ringbuffer setup\n");
373 return 0;
374 }
375
d3301d86 376 virt = dev_priv->render_ring.virtual_start;
6911a9b8 377
8187a2b7 378 for (off = 0; off < dev_priv->render_ring.size; off += 4) {
6911a9b8
BG		 379 ptr = (uint32_t *)(virt + off);
380 seq_printf(m, "%08x : %08x\n", off, *ptr);
381 }
382
383 return 0;
384}
385
386static int i915_ringbuffer_info(struct seq_file *m, void *data)
387{
388 struct drm_info_node *node = (struct drm_info_node *) m->private;
389 struct drm_device *dev = node->minor->dev;
390 drm_i915_private_t *dev_priv = dev->dev_private;
0ef82af7 391 unsigned int head, tail;
6911a9b8
BG		 392
393 head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
394 tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
6911a9b8
BG		 395
396 seq_printf(m, "RingHead : %08x\n", head);
397 seq_printf(m, "RingTail : %08x\n", tail);
8187a2b7 398 seq_printf(m, "RingSize : %08lx\n", dev_priv->render_ring.size);
76cff81a 399 seq_printf(m, "Acthd : %08x\n", I915_READ(IS_I965G(dev) ? ACTHD_I965 : ACTHD));
6911a9b8
BG		 400
401 return 0;
402}
403
9df30794
CW		 404static const char *pin_flag(int pinned)
405{
406 if (pinned > 0)
407 return " P";
408 else if (pinned < 0)
409 return " p";
410 else
411 return "";
412}
413
414static const char *tiling_flag(int tiling)
415{
416 switch (tiling) {
417 default:
418 case I915_TILING_NONE: return "";
419 case I915_TILING_X: return " X";
420 case I915_TILING_Y: return " Y";
421 }
422}
423
424static const char *dirty_flag(int dirty)
425{
426 return dirty ? " dirty" : "";
427}
428
429static const char *purgeable_flag(int purgeable)
430{
431 return purgeable ? " purgeable" : "";
432}
433
63eeaf38
JB		 434static int i915_error_state(struct seq_file *m, void *unused)
435{
436 struct drm_info_node *node = (struct drm_info_node *) m->private;
437 struct drm_device *dev = node->minor->dev;
438 drm_i915_private_t *dev_priv = dev->dev_private;
439 struct drm_i915_error_state *error;
440 unsigned long flags;
9df30794 441 int i, page, offset, elt;
63eeaf38
JB		 442
443 spin_lock_irqsave(&dev_priv->error_lock, flags);
444 if (!dev_priv->first_error) {
445 seq_printf(m, "no error state collected\n");
446 goto out;
447 }
448
449 error = dev_priv->first_error;
450
8a905236
JB		 451 seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
452 error->time.tv_usec);
9df30794 453 seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
63eeaf38
JB		 454 seq_printf(m, "EIR: 0x%08x\n", error->eir);
455 seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er);
456 seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
457 seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir);
458 seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr);
459 seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone);
460 seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
461 if (IS_I965G(dev)) {
462 seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
463 seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
464 }
9df30794
CW		 465 seq_printf(m, "seqno: 0x%08x\n", error->seqno);
466
467 if (error->active_bo_count) {
468 seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
469
470 for (i = 0; i < error->active_bo_count; i++) {
471 seq_printf(m, " %08x %8zd %08x %08x %08x%s%s%s%s",
472 error->active_bo[i].gtt_offset,
473 error->active_bo[i].size,
474 error->active_bo[i].read_domains,
475 error->active_bo[i].write_domain,
476 error->active_bo[i].seqno,
477 pin_flag(error->active_bo[i].pinned),
478 tiling_flag(error->active_bo[i].tiling),
479 dirty_flag(error->active_bo[i].dirty),
480 purgeable_flag(error->active_bo[i].purgeable));
481
482 if (error->active_bo[i].name)
483 seq_printf(m, " (name: %d)", error->active_bo[i].name);
484 if (error->active_bo[i].fence_reg != I915_FENCE_REG_NONE)
485 seq_printf(m, " (fence: %d)", error->active_bo[i].fence_reg);
486
487 seq_printf(m, "\n");
488 }
489 }
490
491 for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
492 if (error->batchbuffer[i]) {
493 struct drm_i915_error_object *obj = error->batchbuffer[i];
494
495 seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
496 offset = 0;
497 for (page = 0; page < obj->page_count; page++) {
498 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
499 seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]);
500 offset += 4;
501 }
502 }
503 }
504 }
505
506 if (error->ringbuffer) {
507 struct drm_i915_error_object *obj = error->ringbuffer;
508
509 seq_printf(m, "--- ringbuffer = 0x%08x\n", obj->gtt_offset);
510 offset = 0;
511 for (page = 0; page < obj->page_count; page++) {
512 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
513 seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]);
514 offset += 4;
515 }
516 }
517 }
63eeaf38 518
6ef3d427
CW		 519 if (error->overlay)
520 intel_overlay_print_error_state(m, error->overlay);
521
63eeaf38
JB		 522out:
523 spin_unlock_irqrestore(&dev_priv->error_lock, flags);
524
525 return 0;
526}
6911a9b8 527
f97108d1
JB		 528static int i915_rstdby_delays(struct seq_file *m, void *unused)
529{
530 struct drm_info_node *node = (struct drm_info_node *) m->private;
531 struct drm_device *dev = node->minor->dev;
532 drm_i915_private_t *dev_priv = dev->dev_private;
533 u16 crstanddelay = I915_READ16(CRSTANDVID);
534
535 seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
536
537 return 0;
538}
539
540static int i915_cur_delayinfo(struct seq_file *m, void *unused)
541{
542 struct drm_info_node *node = (struct drm_info_node *) m->private;
543 struct drm_device *dev = node->minor->dev;
544 drm_i915_private_t *dev_priv = dev->dev_private;
545 u16 rgvswctl = I915_READ16(MEMSWCTL);
7648fa99 546 u16 rgvstat = I915_READ16(MEMSTAT_ILK);
f97108d1 547
7648fa99
JB		 548 seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf);
549 seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f);
550 seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
551 MEMSTAT_VID_SHIFT);
552 seq_printf(m, "Current P-state: %d\n",
553 (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
f97108d1
JB		 554
555 return 0;
556}
557
558static int i915_delayfreq_table(struct seq_file *m, void *unused)
559{
560 struct drm_info_node *node = (struct drm_info_node *) m->private;
561 struct drm_device *dev = node->minor->dev;
562 drm_i915_private_t *dev_priv = dev->dev_private;
563 u32 delayfreq;
564 int i;
565
566 for (i = 0; i < 16; i++) {
567 delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
7648fa99
JB		 568 seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq,
569 (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
f97108d1
JB		 570 }
571
572 return 0;
573}
574
575static inline int MAP_TO_MV(int map)
576{
577 return 1250 - (map * 25);
578}
579
580static int i915_inttoext_table(struct seq_file *m, void *unused)
581{
582 struct drm_info_node *node = (struct drm_info_node *) m->private;
583 struct drm_device *dev = node->minor->dev;
584 drm_i915_private_t *dev_priv = dev->dev_private;
585 u32 inttoext;
586 int i;
587
588 for (i = 1; i <= 32; i++) {
589 inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
590 seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
591 }
592
593 return 0;
594}
595
596static int i915_drpc_info(struct seq_file *m, void *unused)
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 u32 rgvmodectl = I915_READ(MEMMODECTL);
7648fa99
JB		 602 u32 rstdbyctl = I915_READ(MCHBAR_RENDER_STANDBY);
603 u16 crstandvid = I915_READ16(CRSTANDVID);
f97108d1
JB		 604
605 seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
606 "yes" : "no");
607 seq_printf(m, "Boost freq: %d\n",
608 (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
609 MEMMODE_BOOST_FREQ_SHIFT);
610 seq_printf(m, "HW control enabled: %s\n",
611 rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no");
612 seq_printf(m, "SW control enabled: %s\n",
613 rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no");
614 seq_printf(m, "Gated voltage change: %s\n",
615 rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no");
616 seq_printf(m, "Starting frequency: P%d\n",
617 (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
7648fa99 618 seq_printf(m, "Max P-state: P%d\n",
f97108d1 619 (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
7648fa99
JB		 620 seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
621 seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
622 seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
623 seq_printf(m, "Render standby enabled: %s\n",
624 (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes");
f97108d1
JB		 625
626 return 0;
627}
628
b5e50c3f
JB		 629static int i915_fbc_status(struct seq_file *m, void *unused)
630{
631 struct drm_info_node *node = (struct drm_info_node *) m->private;
632 struct drm_device *dev = node->minor->dev;
b5e50c3f 633 drm_i915_private_t *dev_priv = dev->dev_private;
b5e50c3f 634
ee5382ae 635 if (!I915_HAS_FBC(dev)) {
b5e50c3f
JB		 636 seq_printf(m, "FBC unsupported on this chipset\n");
637 return 0;
638 }
639
ee5382ae 640 if (intel_fbc_enabled(dev)) {
b5e50c3f
JB		 641 seq_printf(m, "FBC enabled\n");
642 } else {
643 seq_printf(m, "FBC disabled: ");
644 switch (dev_priv->no_fbc_reason) {
645 case FBC_STOLEN_TOO_SMALL:
646 seq_printf(m, "not enough stolen memory");
647 break;
648 case FBC_UNSUPPORTED_MODE:
649 seq_printf(m, "mode not supported");
650 break;
651 case FBC_MODE_TOO_LARGE:
652 seq_printf(m, "mode too large");
653 break;
654 case FBC_BAD_PLANE:
655 seq_printf(m, "FBC unsupported on plane");
656 break;
657 case FBC_NOT_TILED:
658 seq_printf(m, "scanout buffer not tiled");
659 break;
9c928d16
JB		 660 case FBC_MULTIPLE_PIPES:
661 seq_printf(m, "multiple pipes are enabled");
662 break;
b5e50c3f
JB		 663 default:
664 seq_printf(m, "unknown reason");
665 }
666 seq_printf(m, "\n");
667 }
668 return 0;
669}
670
4a9bef37
JB		 671static int i915_sr_status(struct seq_file *m, void *unused)
672{
673 struct drm_info_node *node = (struct drm_info_node *) m->private;
674 struct drm_device *dev = node->minor->dev;
675 drm_i915_private_t *dev_priv = dev->dev_private;
676 bool sr_enabled = false;
677
adcdbc66 678 if (IS_I965GM(dev) || IS_I945G(dev) || IS_I945GM(dev))
4a9bef37
JB		 679 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
680 else if (IS_I915GM(dev))
681 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
682 else if (IS_PINEVIEW(dev))
683 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
684
685 seq_printf(m, "self-refresh: %s\n", sr_enabled ? "enabled" :
686 "disabled");
687
688 return 0;
689}
690
7648fa99
JB		 691static int i915_emon_status(struct seq_file *m, void *unused)
692{
693 struct drm_info_node *node = (struct drm_info_node *) m->private;
694 struct drm_device *dev = node->minor->dev;
695 drm_i915_private_t *dev_priv = dev->dev_private;
696 unsigned long temp, chipset, gfx;
697
698 temp = i915_mch_val(dev_priv);
699 chipset = i915_chipset_val(dev_priv);
700 gfx = i915_gfx_val(dev_priv);
701
702 seq_printf(m, "GMCH temp: %ld\n", temp);
703 seq_printf(m, "Chipset power: %ld\n", chipset);
704 seq_printf(m, "GFX power: %ld\n", gfx);
705 seq_printf(m, "Total power: %ld\n", chipset + gfx);
706
707 return 0;
708}
709
710static int i915_gfxec(struct seq_file *m, void *unused)
711{
712 struct drm_info_node *node = (struct drm_info_node *) m->private;
713 struct drm_device *dev = node->minor->dev;
714 drm_i915_private_t *dev_priv = dev->dev_private;
715
716 seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
717
718 return 0;
719}
720
f3cd474b
CW		 721static int
722i915_wedged_open(struct inode *inode,
723 struct file *filp)
724{
725 filp->private_data = inode->i_private;
726 return 0;
727}
728
729static ssize_t
730i915_wedged_read(struct file *filp,
731 char __user *ubuf,
732 size_t max,
733 loff_t *ppos)
734{
735 struct drm_device *dev = filp->private_data;
736 drm_i915_private_t *dev_priv = dev->dev_private;
737 char buf[80];
738 int len;
739
740 len = snprintf(buf, sizeof (buf),
741 "wedged : %d\n",
742 atomic_read(&dev_priv->mm.wedged));
743
744 return simple_read_from_buffer(ubuf, max, ppos, buf, len);
745}
746
747static ssize_t
748i915_wedged_write(struct file *filp,
749 const char __user *ubuf,
750 size_t cnt,
751 loff_t *ppos)
752{
753 struct drm_device *dev = filp->private_data;
754 drm_i915_private_t *dev_priv = dev->dev_private;
755 char buf[20];
756 int val = 1;
757
758 if (cnt > 0) {
759 if (cnt > sizeof (buf) - 1)
760 return -EINVAL;
761
762 if (copy_from_user(buf, ubuf, cnt))
763 return -EFAULT;
764 buf[cnt] = 0;
765
766 val = simple_strtoul(buf, NULL, 0);
767 }
768
769 DRM_INFO("Manually setting wedged to %d\n", val);
770
771 atomic_set(&dev_priv->mm.wedged, val);
772 if (val) {
773 DRM_WAKEUP(&dev_priv->irq_queue);
774 queue_work(dev_priv->wq, &dev_priv->error_work);
775 }
776
777 return cnt;
778}
779
780static const struct file_operations i915_wedged_fops = {
781 .owner = THIS_MODULE,
782 .open = i915_wedged_open,
783 .read = i915_wedged_read,
784 .write = i915_wedged_write,
785};
786
787/* As the drm_debugfs_init() routines are called before dev->dev_private is
788 * allocated we need to hook into the minor for release. */
789static int
790drm_add_fake_info_node(struct drm_minor *minor,
791 struct dentry *ent,
792 const void *key)
793{
794 struct drm_info_node *node;
795
796 node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
797 if (node == NULL) {
798 debugfs_remove(ent);
799 return -ENOMEM;
800 }
801
802 node->minor = minor;
803 node->dent = ent;
804 node->info_ent = (void *) key;
805 list_add(&node->list, &minor->debugfs_nodes.list);
806
807 return 0;
808}
809
810static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
811{
812 struct drm_device *dev = minor->dev;
813 struct dentry *ent;
814
815 ent = debugfs_create_file("i915_wedged",
816 S_IRUGO | S_IWUSR,
817 root, dev,
818 &i915_wedged_fops);
819 if (IS_ERR(ent))
820 return PTR_ERR(ent);
821
822 return drm_add_fake_info_node(minor, ent, &i915_wedged_fops);
823}
9e3a6d15 824
27c202ad 825static struct drm_info_list i915_debugfs_list[] = {
433e12f7
BG		 826 {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
827 {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
828 {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
4e5359cd 829 {"i915_gem_pageflip", i915_gem_pageflip_info, 0},
2017263e
BG		 830 {"i915_gem_request", i915_gem_request_info, 0},
831 {"i915_gem_seqno", i915_gem_seqno_info, 0},
a6172a80 832 {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
2017263e
BG		 833 {"i915_gem_interrupt", i915_interrupt_info, 0},
834 {"i915_gem_hws", i915_hws_info, 0},
6911a9b8
BG		 835 {"i915_ringbuffer_data", i915_ringbuffer_data, 0},
836 {"i915_ringbuffer_info", i915_ringbuffer_info, 0},
837 {"i915_batchbuffers", i915_batchbuffer_info, 0},
63eeaf38 838 {"i915_error_state", i915_error_state, 0},
f97108d1
JB		 839 {"i915_rstdby_delays", i915_rstdby_delays, 0},
840 {"i915_cur_delayinfo", i915_cur_delayinfo, 0},
841 {"i915_delayfreq_table", i915_delayfreq_table, 0},
842 {"i915_inttoext_table", i915_inttoext_table, 0},
843 {"i915_drpc_info", i915_drpc_info, 0},
7648fa99
JB		 844 {"i915_emon_status", i915_emon_status, 0},
845 {"i915_gfxec", i915_gfxec, 0},
b5e50c3f 846 {"i915_fbc_status", i915_fbc_status, 0},
4a9bef37 847 {"i915_sr_status", i915_sr_status, 0},
2017263e 848};
27c202ad 849#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
2017263e 850
27c202ad 851int i915_debugfs_init(struct drm_minor *minor)
2017263e 852{
f3cd474b
CW		 853 int ret;
854
855 ret = i915_wedged_create(minor->debugfs_root, minor);
856 if (ret)
857 return ret;
858
27c202ad
BG		 859 return drm_debugfs_create_files(i915_debugfs_list,
860 I915_DEBUGFS_ENTRIES,
2017263e
BG		 861 minor->debugfs_root, minor);
862}
863
27c202ad 864void i915_debugfs_cleanup(struct drm_minor *minor)
2017263e 865{
27c202ad
BG		 866 drm_debugfs_remove_files(i915_debugfs_list,
867 I915_DEBUGFS_ENTRIES, minor);
33db679b
KH		 868 drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops,
869 1, minor);
2017263e
BG		 870}
871
872#endif /* CONFIG_DEBUG_FS */
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