2 * Copyright © 2008 Intel Corporation
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:
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
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
24 * Eric Anholt <eric@anholt.net>
25 * Keith Packard <keithp@keithp.com>
29 #include <linux/seq_file.h>
30 #include <linux/debugfs.h>
31 #include <linux/slab.h>
34 #include "intel_drv.h"
38 #define DRM_I915_RING_DEBUG 1
41 #if defined(CONFIG_DEBUG_FS)
51 static const char *yesno(int v)
53 return v ? "yes" : "no";
56 static int i915_capabilities(struct seq_file *m, void *data)
58 struct drm_info_node *node = (struct drm_info_node *) m->private;
59 struct drm_device *dev = node->minor->dev;
60 const struct intel_device_info *info = INTEL_INFO(dev);
62 seq_printf(m, "gen: %d\n", info->gen);
63 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
78 B(cursor_needs_physical);
80 B(overlay_needs_physical);
89 static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
91 if (obj_priv->user_pin_count > 0)
93 else if (obj_priv->pin_count > 0)
99 static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
101 switch (obj_priv->tiling_mode) {
103 case I915_TILING_NONE: return " ";
104 case I915_TILING_X: return "X";
105 case I915_TILING_Y: return "Y";
110 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
112 seq_printf(m, "%p: %s%s %8zd %08x %08x %d%s%s",
115 get_tiling_flag(obj),
117 obj->base.read_domains,
118 obj->base.write_domain,
119 obj->last_rendering_seqno,
120 obj->dirty ? " dirty" : "",
121 obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
123 seq_printf(m, " (name: %d)", obj->base.name);
124 if (obj->fence_reg != I915_FENCE_REG_NONE)
125 seq_printf(m, " (fence: %d)", obj->fence_reg);
126 if (obj->gtt_space != NULL)
127 seq_printf(m, " (gtt_offset: %08x)", obj->gtt_offset);
128 if (obj->ring != NULL)
129 seq_printf(m, " (%s)", obj->ring->name);
132 static int i915_gem_object_list_info(struct seq_file *m, void *data)
134 struct drm_info_node *node = (struct drm_info_node *) m->private;
135 uintptr_t list = (uintptr_t) node->info_ent->data;
136 struct list_head *head;
137 struct drm_device *dev = node->minor->dev;
138 drm_i915_private_t *dev_priv = dev->dev_private;
139 struct drm_i915_gem_object *obj_priv;
140 size_t total_obj_size, total_gtt_size;
143 ret = mutex_lock_interruptible(&dev->struct_mutex);
149 seq_printf(m, "Active:\n");
150 head = &dev_priv->mm.active_list;
153 seq_printf(m, "Inactive:\n");
154 head = &dev_priv->mm.inactive_list;
157 seq_printf(m, "Pinned:\n");
158 head = &dev_priv->mm.pinned_list;
161 seq_printf(m, "Flushing:\n");
162 head = &dev_priv->mm.flushing_list;
164 case DEFERRED_FREE_LIST:
165 seq_printf(m, "Deferred free:\n");
166 head = &dev_priv->mm.deferred_free_list;
169 mutex_unlock(&dev->struct_mutex);
173 total_obj_size = total_gtt_size = count = 0;
174 list_for_each_entry(obj_priv, head, mm_list) {
176 describe_obj(m, obj_priv);
178 total_obj_size += obj_priv->base.size;
179 total_gtt_size += obj_priv->gtt_space->size;
182 mutex_unlock(&dev->struct_mutex);
184 seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
185 count, total_obj_size, total_gtt_size);
189 static int i915_gem_object_info(struct seq_file *m, void* data)
191 struct drm_info_node *node = (struct drm_info_node *) m->private;
192 struct drm_device *dev = node->minor->dev;
193 struct drm_i915_private *dev_priv = dev->dev_private;
196 ret = mutex_lock_interruptible(&dev->struct_mutex);
200 seq_printf(m, "%u objects\n", dev_priv->mm.object_count);
201 seq_printf(m, "%zu object bytes\n", dev_priv->mm.object_memory);
202 seq_printf(m, "%u pinned\n", dev_priv->mm.pin_count);
203 seq_printf(m, "%zu pin bytes\n", dev_priv->mm.pin_memory);
204 seq_printf(m, "%u objects in gtt\n", dev_priv->mm.gtt_count);
205 seq_printf(m, "%zu gtt bytes\n", dev_priv->mm.gtt_memory);
206 seq_printf(m, "%zu gtt total\n", dev_priv->mm.gtt_total);
208 mutex_unlock(&dev->struct_mutex);
214 static int i915_gem_pageflip_info(struct seq_file *m, void *data)
216 struct drm_info_node *node = (struct drm_info_node *) m->private;
217 struct drm_device *dev = node->minor->dev;
219 struct intel_crtc *crtc;
221 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
222 const char *pipe = crtc->pipe ? "B" : "A";
223 const char *plane = crtc->plane ? "B" : "A";
224 struct intel_unpin_work *work;
226 spin_lock_irqsave(&dev->event_lock, flags);
227 work = crtc->unpin_work;
229 seq_printf(m, "No flip due on pipe %s (plane %s)\n",
232 if (!work->pending) {
233 seq_printf(m, "Flip queued on pipe %s (plane %s)\n",
236 seq_printf(m, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
239 if (work->enable_stall_check)
240 seq_printf(m, "Stall check enabled, ");
242 seq_printf(m, "Stall check waiting for page flip ioctl, ");
243 seq_printf(m, "%d prepares\n", work->pending);
245 if (work->old_fb_obj) {
246 struct drm_i915_gem_object *obj_priv = to_intel_bo(work->old_fb_obj);
248 seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj_priv->gtt_offset );
250 if (work->pending_flip_obj) {
251 struct drm_i915_gem_object *obj_priv = to_intel_bo(work->pending_flip_obj);
253 seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj_priv->gtt_offset );
256 spin_unlock_irqrestore(&dev->event_lock, flags);
262 static int i915_gem_request_info(struct seq_file *m, void *data)
264 struct drm_info_node *node = (struct drm_info_node *) m->private;
265 struct drm_device *dev = node->minor->dev;
266 drm_i915_private_t *dev_priv = dev->dev_private;
267 struct drm_i915_gem_request *gem_request;
270 ret = mutex_lock_interruptible(&dev->struct_mutex);
274 seq_printf(m, "Request:\n");
275 list_for_each_entry(gem_request, &dev_priv->render_ring.request_list,
277 seq_printf(m, " %d @ %d\n",
279 (int) (jiffies - gem_request->emitted_jiffies));
281 mutex_unlock(&dev->struct_mutex);
286 static int i915_gem_seqno_info(struct seq_file *m, void *data)
288 struct drm_info_node *node = (struct drm_info_node *) m->private;
289 struct drm_device *dev = node->minor->dev;
290 drm_i915_private_t *dev_priv = dev->dev_private;
293 ret = mutex_lock_interruptible(&dev->struct_mutex);
297 if (dev_priv->render_ring.status_page.page_addr != NULL) {
298 seq_printf(m, "Current sequence: %d\n",
299 dev_priv->render_ring.get_seqno(&dev_priv->render_ring));
301 seq_printf(m, "Current sequence: hws uninitialized\n");
303 seq_printf(m, "Waiter sequence: %d\n",
304 dev_priv->mm.waiting_gem_seqno);
305 seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
307 mutex_unlock(&dev->struct_mutex);
313 static int i915_interrupt_info(struct seq_file *m, void *data)
315 struct drm_info_node *node = (struct drm_info_node *) m->private;
316 struct drm_device *dev = node->minor->dev;
317 drm_i915_private_t *dev_priv = dev->dev_private;
320 ret = mutex_lock_interruptible(&dev->struct_mutex);
324 if (!HAS_PCH_SPLIT(dev)) {
325 seq_printf(m, "Interrupt enable: %08x\n",
327 seq_printf(m, "Interrupt identity: %08x\n",
329 seq_printf(m, "Interrupt mask: %08x\n",
331 seq_printf(m, "Pipe A stat: %08x\n",
332 I915_READ(PIPEASTAT));
333 seq_printf(m, "Pipe B stat: %08x\n",
334 I915_READ(PIPEBSTAT));
336 seq_printf(m, "North Display Interrupt enable: %08x\n",
338 seq_printf(m, "North Display Interrupt identity: %08x\n",
340 seq_printf(m, "North Display Interrupt mask: %08x\n",
342 seq_printf(m, "South Display Interrupt enable: %08x\n",
344 seq_printf(m, "South Display Interrupt identity: %08x\n",
346 seq_printf(m, "South Display Interrupt mask: %08x\n",
348 seq_printf(m, "Graphics Interrupt enable: %08x\n",
350 seq_printf(m, "Graphics Interrupt identity: %08x\n",
352 seq_printf(m, "Graphics Interrupt mask: %08x\n",
355 seq_printf(m, "Interrupts received: %d\n",
356 atomic_read(&dev_priv->irq_received));
357 if (dev_priv->render_ring.status_page.page_addr != NULL) {
358 seq_printf(m, "Current sequence: %d\n",
359 dev_priv->render_ring.get_seqno(&dev_priv->render_ring));
361 seq_printf(m, "Current sequence: hws uninitialized\n");
363 seq_printf(m, "Waiter sequence: %d\n",
364 dev_priv->mm.waiting_gem_seqno);
365 seq_printf(m, "IRQ sequence: %d\n",
366 dev_priv->mm.irq_gem_seqno);
367 mutex_unlock(&dev->struct_mutex);
372 static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
374 struct drm_info_node *node = (struct drm_info_node *) m->private;
375 struct drm_device *dev = node->minor->dev;
376 drm_i915_private_t *dev_priv = dev->dev_private;
379 ret = mutex_lock_interruptible(&dev->struct_mutex);
383 seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
384 seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
385 for (i = 0; i < dev_priv->num_fence_regs; i++) {
386 struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
389 seq_printf(m, "Fenced object[%2d] = unused\n", i);
391 struct drm_i915_gem_object *obj_priv;
393 obj_priv = to_intel_bo(obj);
394 seq_printf(m, "Fenced object[%2d] = %p: %s "
395 "%08x %08zx %08x %s %08x %08x %d",
396 i, obj, get_pin_flag(obj_priv),
397 obj_priv->gtt_offset,
398 obj->size, obj_priv->stride,
399 get_tiling_flag(obj_priv),
400 obj->read_domains, obj->write_domain,
401 obj_priv->last_rendering_seqno);
403 seq_printf(m, " (name: %d)", obj->name);
407 mutex_unlock(&dev->struct_mutex);
412 static int i915_hws_info(struct seq_file *m, void *data)
414 struct drm_info_node *node = (struct drm_info_node *) m->private;
415 struct drm_device *dev = node->minor->dev;
416 drm_i915_private_t *dev_priv = dev->dev_private;
420 hws = (volatile u32 *)dev_priv->render_ring.status_page.page_addr;
424 for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
425 seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
427 hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
432 static void i915_dump_object(struct seq_file *m,
433 struct io_mapping *mapping,
434 struct drm_i915_gem_object *obj_priv)
436 int page, page_count, i;
438 page_count = obj_priv->base.size / PAGE_SIZE;
439 for (page = 0; page < page_count; page++) {
440 u32 *mem = io_mapping_map_wc(mapping,
441 obj_priv->gtt_offset + page * PAGE_SIZE);
442 for (i = 0; i < PAGE_SIZE; i += 4)
443 seq_printf(m, "%08x : %08x\n", i, mem[i / 4]);
444 io_mapping_unmap(mem);
448 static int i915_batchbuffer_info(struct seq_file *m, void *data)
450 struct drm_info_node *node = (struct drm_info_node *) m->private;
451 struct drm_device *dev = node->minor->dev;
452 drm_i915_private_t *dev_priv = dev->dev_private;
453 struct drm_gem_object *obj;
454 struct drm_i915_gem_object *obj_priv;
457 ret = mutex_lock_interruptible(&dev->struct_mutex);
461 list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) {
462 obj = &obj_priv->base;
463 if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
464 seq_printf(m, "--- gtt_offset = 0x%08x\n",
465 obj_priv->gtt_offset);
466 i915_dump_object(m, dev_priv->mm.gtt_mapping, obj_priv);
470 mutex_unlock(&dev->struct_mutex);
475 static int i915_ringbuffer_data(struct seq_file *m, void *data)
477 struct drm_info_node *node = (struct drm_info_node *) m->private;
478 struct drm_device *dev = node->minor->dev;
479 drm_i915_private_t *dev_priv = dev->dev_private;
482 ret = mutex_lock_interruptible(&dev->struct_mutex);
486 if (!dev_priv->render_ring.gem_object) {
487 seq_printf(m, "No ringbuffer setup\n");
489 u8 *virt = dev_priv->render_ring.virtual_start;
492 for (off = 0; off < dev_priv->render_ring.size; off += 4) {
493 uint32_t *ptr = (uint32_t *)(virt + off);
494 seq_printf(m, "%08x : %08x\n", off, *ptr);
497 mutex_unlock(&dev->struct_mutex);
502 static int i915_ringbuffer_info(struct seq_file *m, void *data)
504 struct drm_info_node *node = (struct drm_info_node *) m->private;
505 struct drm_device *dev = node->minor->dev;
506 drm_i915_private_t *dev_priv = dev->dev_private;
507 unsigned int head, tail;
509 head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
510 tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
512 seq_printf(m, "RingHead : %08x\n", head);
513 seq_printf(m, "RingTail : %08x\n", tail);
514 seq_printf(m, "RingSize : %08lx\n", dev_priv->render_ring.size);
515 seq_printf(m, "Acthd : %08x\n", I915_READ(INTEL_INFO(dev)->gen >= 4 ? ACTHD_I965 : ACTHD));
520 static const char *pin_flag(int pinned)
530 static const char *tiling_flag(int tiling)
534 case I915_TILING_NONE: return "";
535 case I915_TILING_X: return " X";
536 case I915_TILING_Y: return " Y";
540 static const char *dirty_flag(int dirty)
542 return dirty ? " dirty" : "";
545 static const char *purgeable_flag(int purgeable)
547 return purgeable ? " purgeable" : "";
550 static int i915_error_state(struct seq_file *m, void *unused)
552 struct drm_info_node *node = (struct drm_info_node *) m->private;
553 struct drm_device *dev = node->minor->dev;
554 drm_i915_private_t *dev_priv = dev->dev_private;
555 struct drm_i915_error_state *error;
557 int i, page, offset, elt;
559 spin_lock_irqsave(&dev_priv->error_lock, flags);
560 if (!dev_priv->first_error) {
561 seq_printf(m, "no error state collected\n");
565 error = dev_priv->first_error;
567 seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
568 error->time.tv_usec);
569 seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
570 seq_printf(m, "EIR: 0x%08x\n", error->eir);
571 seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er);
572 seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
573 seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir);
574 seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr);
575 seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone);
576 seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
577 if (INTEL_INFO(dev)->gen >= 4) {
578 seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
579 seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
581 seq_printf(m, "seqno: 0x%08x\n", error->seqno);
583 if (error->active_bo_count) {
584 seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
586 for (i = 0; i < error->active_bo_count; i++) {
587 seq_printf(m, " %08x %8zd %08x %08x %08x%s%s%s%s",
588 error->active_bo[i].gtt_offset,
589 error->active_bo[i].size,
590 error->active_bo[i].read_domains,
591 error->active_bo[i].write_domain,
592 error->active_bo[i].seqno,
593 pin_flag(error->active_bo[i].pinned),
594 tiling_flag(error->active_bo[i].tiling),
595 dirty_flag(error->active_bo[i].dirty),
596 purgeable_flag(error->active_bo[i].purgeable));
598 if (error->active_bo[i].name)
599 seq_printf(m, " (name: %d)", error->active_bo[i].name);
600 if (error->active_bo[i].fence_reg != I915_FENCE_REG_NONE)
601 seq_printf(m, " (fence: %d)", error->active_bo[i].fence_reg);
607 for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
608 if (error->batchbuffer[i]) {
609 struct drm_i915_error_object *obj = error->batchbuffer[i];
611 seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
613 for (page = 0; page < obj->page_count; page++) {
614 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
615 seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]);
622 if (error->ringbuffer) {
623 struct drm_i915_error_object *obj = error->ringbuffer;
625 seq_printf(m, "--- ringbuffer = 0x%08x\n", obj->gtt_offset);
627 for (page = 0; page < obj->page_count; page++) {
628 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
629 seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]);
636 intel_overlay_print_error_state(m, error->overlay);
639 spin_unlock_irqrestore(&dev_priv->error_lock, flags);
644 static int i915_rstdby_delays(struct seq_file *m, void *unused)
646 struct drm_info_node *node = (struct drm_info_node *) m->private;
647 struct drm_device *dev = node->minor->dev;
648 drm_i915_private_t *dev_priv = dev->dev_private;
649 u16 crstanddelay = I915_READ16(CRSTANDVID);
651 seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
656 static int i915_cur_delayinfo(struct seq_file *m, void *unused)
658 struct drm_info_node *node = (struct drm_info_node *) m->private;
659 struct drm_device *dev = node->minor->dev;
660 drm_i915_private_t *dev_priv = dev->dev_private;
661 u16 rgvswctl = I915_READ16(MEMSWCTL);
662 u16 rgvstat = I915_READ16(MEMSTAT_ILK);
664 seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf);
665 seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f);
666 seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
668 seq_printf(m, "Current P-state: %d\n",
669 (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
674 static int i915_delayfreq_table(struct seq_file *m, void *unused)
676 struct drm_info_node *node = (struct drm_info_node *) m->private;
677 struct drm_device *dev = node->minor->dev;
678 drm_i915_private_t *dev_priv = dev->dev_private;
682 for (i = 0; i < 16; i++) {
683 delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
684 seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq,
685 (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
691 static inline int MAP_TO_MV(int map)
693 return 1250 - (map * 25);
696 static int i915_inttoext_table(struct seq_file *m, void *unused)
698 struct drm_info_node *node = (struct drm_info_node *) m->private;
699 struct drm_device *dev = node->minor->dev;
700 drm_i915_private_t *dev_priv = dev->dev_private;
704 for (i = 1; i <= 32; i++) {
705 inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
706 seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
712 static int i915_drpc_info(struct seq_file *m, void *unused)
714 struct drm_info_node *node = (struct drm_info_node *) m->private;
715 struct drm_device *dev = node->minor->dev;
716 drm_i915_private_t *dev_priv = dev->dev_private;
717 u32 rgvmodectl = I915_READ(MEMMODECTL);
718 u32 rstdbyctl = I915_READ(MCHBAR_RENDER_STANDBY);
719 u16 crstandvid = I915_READ16(CRSTANDVID);
721 seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
723 seq_printf(m, "Boost freq: %d\n",
724 (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
725 MEMMODE_BOOST_FREQ_SHIFT);
726 seq_printf(m, "HW control enabled: %s\n",
727 rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no");
728 seq_printf(m, "SW control enabled: %s\n",
729 rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no");
730 seq_printf(m, "Gated voltage change: %s\n",
731 rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no");
732 seq_printf(m, "Starting frequency: P%d\n",
733 (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
734 seq_printf(m, "Max P-state: P%d\n",
735 (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
736 seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
737 seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
738 seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
739 seq_printf(m, "Render standby enabled: %s\n",
740 (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes");
745 static int i915_fbc_status(struct seq_file *m, void *unused)
747 struct drm_info_node *node = (struct drm_info_node *) m->private;
748 struct drm_device *dev = node->minor->dev;
749 drm_i915_private_t *dev_priv = dev->dev_private;
751 if (!I915_HAS_FBC(dev)) {
752 seq_printf(m, "FBC unsupported on this chipset\n");
756 if (intel_fbc_enabled(dev)) {
757 seq_printf(m, "FBC enabled\n");
759 seq_printf(m, "FBC disabled: ");
760 switch (dev_priv->no_fbc_reason) {
762 seq_printf(m, "no outputs");
764 case FBC_STOLEN_TOO_SMALL:
765 seq_printf(m, "not enough stolen memory");
767 case FBC_UNSUPPORTED_MODE:
768 seq_printf(m, "mode not supported");
770 case FBC_MODE_TOO_LARGE:
771 seq_printf(m, "mode too large");
774 seq_printf(m, "FBC unsupported on plane");
777 seq_printf(m, "scanout buffer not tiled");
779 case FBC_MULTIPLE_PIPES:
780 seq_printf(m, "multiple pipes are enabled");
783 seq_printf(m, "unknown reason");
790 static int i915_sr_status(struct seq_file *m, void *unused)
792 struct drm_info_node *node = (struct drm_info_node *) m->private;
793 struct drm_device *dev = node->minor->dev;
794 drm_i915_private_t *dev_priv = dev->dev_private;
795 bool sr_enabled = false;
798 sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
799 else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev))
800 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
801 else if (IS_I915GM(dev))
802 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
803 else if (IS_PINEVIEW(dev))
804 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
806 seq_printf(m, "self-refresh: %s\n",
807 sr_enabled ? "enabled" : "disabled");
812 static int i915_emon_status(struct seq_file *m, void *unused)
814 struct drm_info_node *node = (struct drm_info_node *) m->private;
815 struct drm_device *dev = node->minor->dev;
816 drm_i915_private_t *dev_priv = dev->dev_private;
817 unsigned long temp, chipset, gfx;
820 ret = mutex_lock_interruptible(&dev->struct_mutex);
824 temp = i915_mch_val(dev_priv);
825 chipset = i915_chipset_val(dev_priv);
826 gfx = i915_gfx_val(dev_priv);
827 mutex_unlock(&dev->struct_mutex);
829 seq_printf(m, "GMCH temp: %ld\n", temp);
830 seq_printf(m, "Chipset power: %ld\n", chipset);
831 seq_printf(m, "GFX power: %ld\n", gfx);
832 seq_printf(m, "Total power: %ld\n", chipset + gfx);
837 static int i915_gfxec(struct seq_file *m, void *unused)
839 struct drm_info_node *node = (struct drm_info_node *) m->private;
840 struct drm_device *dev = node->minor->dev;
841 drm_i915_private_t *dev_priv = dev->dev_private;
843 seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
848 static int i915_opregion(struct seq_file *m, void *unused)
850 struct drm_info_node *node = (struct drm_info_node *) m->private;
851 struct drm_device *dev = node->minor->dev;
852 drm_i915_private_t *dev_priv = dev->dev_private;
853 struct intel_opregion *opregion = &dev_priv->opregion;
856 ret = mutex_lock_interruptible(&dev->struct_mutex);
860 if (opregion->header)
861 seq_write(m, opregion->header, OPREGION_SIZE);
863 mutex_unlock(&dev->struct_mutex);
868 static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
870 struct drm_info_node *node = (struct drm_info_node *) m->private;
871 struct drm_device *dev = node->minor->dev;
872 drm_i915_private_t *dev_priv = dev->dev_private;
873 struct intel_fbdev *ifbdev;
874 struct intel_framebuffer *fb;
877 ret = mutex_lock_interruptible(&dev->mode_config.mutex);
881 ifbdev = dev_priv->fbdev;
882 fb = to_intel_framebuffer(ifbdev->helper.fb);
884 seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
888 fb->base.bits_per_pixel);
889 describe_obj(m, to_intel_bo(fb->obj));
892 list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) {
893 if (&fb->base == ifbdev->helper.fb)
896 seq_printf(m, "user size: %d x %d, depth %d, %d bpp, obj ",
900 fb->base.bits_per_pixel);
901 describe_obj(m, to_intel_bo(fb->obj));
905 mutex_unlock(&dev->mode_config.mutex);
911 i915_wedged_open(struct inode *inode,
914 filp->private_data = inode->i_private;
919 i915_wedged_read(struct file *filp,
924 struct drm_device *dev = filp->private_data;
925 drm_i915_private_t *dev_priv = dev->dev_private;
929 len = snprintf(buf, sizeof (buf),
931 atomic_read(&dev_priv->mm.wedged));
933 if (len > sizeof (buf))
936 return simple_read_from_buffer(ubuf, max, ppos, buf, len);
940 i915_wedged_write(struct file *filp,
941 const char __user *ubuf,
945 struct drm_device *dev = filp->private_data;
946 drm_i915_private_t *dev_priv = dev->dev_private;
951 if (cnt > sizeof (buf) - 1)
954 if (copy_from_user(buf, ubuf, cnt))
958 val = simple_strtoul(buf, NULL, 0);
961 DRM_INFO("Manually setting wedged to %d\n", val);
963 atomic_set(&dev_priv->mm.wedged, val);
965 wake_up_all(&dev_priv->irq_queue);
966 queue_work(dev_priv->wq, &dev_priv->error_work);
972 static const struct file_operations i915_wedged_fops = {
973 .owner = THIS_MODULE,
974 .open = i915_wedged_open,
975 .read = i915_wedged_read,
976 .write = i915_wedged_write,
977 .llseek = default_llseek,
980 /* As the drm_debugfs_init() routines are called before dev->dev_private is
981 * allocated we need to hook into the minor for release. */
983 drm_add_fake_info_node(struct drm_minor *minor,
987 struct drm_info_node *node;
989 node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
997 node->info_ent = (void *) key;
998 list_add(&node->list, &minor->debugfs_nodes.list);
1003 static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
1005 struct drm_device *dev = minor->dev;
1008 ent = debugfs_create_file("i915_wedged",
1013 return PTR_ERR(ent);
1015 return drm_add_fake_info_node(minor, ent, &i915_wedged_fops);
1018 static struct drm_info_list i915_debugfs_list[] = {
1019 {"i915_capabilities", i915_capabilities, 0, 0},
1020 {"i915_gem_objects", i915_gem_object_info, 0},
1021 {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
1022 {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
1023 {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
1024 {"i915_gem_pinned", i915_gem_object_list_info, 0, (void *) PINNED_LIST},
1025 {"i915_gem_deferred_free", i915_gem_object_list_info, 0, (void *) DEFERRED_FREE_LIST},
1026 {"i915_gem_pageflip", i915_gem_pageflip_info, 0},
1027 {"i915_gem_request", i915_gem_request_info, 0},
1028 {"i915_gem_seqno", i915_gem_seqno_info, 0},
1029 {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
1030 {"i915_gem_interrupt", i915_interrupt_info, 0},
1031 {"i915_gem_hws", i915_hws_info, 0},
1032 {"i915_ringbuffer_data", i915_ringbuffer_data, 0},
1033 {"i915_ringbuffer_info", i915_ringbuffer_info, 0},
1034 {"i915_batchbuffers", i915_batchbuffer_info, 0},
1035 {"i915_error_state", i915_error_state, 0},
1036 {"i915_rstdby_delays", i915_rstdby_delays, 0},
1037 {"i915_cur_delayinfo", i915_cur_delayinfo, 0},
1038 {"i915_delayfreq_table", i915_delayfreq_table, 0},
1039 {"i915_inttoext_table", i915_inttoext_table, 0},
1040 {"i915_drpc_info", i915_drpc_info, 0},
1041 {"i915_emon_status", i915_emon_status, 0},
1042 {"i915_gfxec", i915_gfxec, 0},
1043 {"i915_fbc_status", i915_fbc_status, 0},
1044 {"i915_sr_status", i915_sr_status, 0},
1045 {"i915_opregion", i915_opregion, 0},
1046 {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
1048 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1050 int i915_debugfs_init(struct drm_minor *minor)
1054 ret = i915_wedged_create(minor->debugfs_root, minor);
1058 return drm_debugfs_create_files(i915_debugfs_list,
1059 I915_DEBUGFS_ENTRIES,
1060 minor->debugfs_root, minor);
1063 void i915_debugfs_cleanup(struct drm_minor *minor)
1065 drm_debugfs_remove_files(i915_debugfs_list,
1066 I915_DEBUGFS_ENTRIES, minor);
1067 drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops,
1071 #endif /* CONFIG_DEBUG_FS */