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>
32 #include <linux/export.h>
33 #include <generated/utsrelease.h>
35 #include "intel_drv.h"
36 #include "intel_ringbuffer.h"
37 #include <drm/i915_drm.h>
40 #define DRM_I915_RING_DEBUG 1
43 #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 seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev));
64 #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x))
65 #define SEP_SEMICOLON ;
66 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG, SEP_SEMICOLON);
73 static const char *get_pin_flag(struct drm_i915_gem_object *obj)
75 if (obj->user_pin_count > 0)
77 else if (obj->pin_count > 0)
83 static const char *get_tiling_flag(struct drm_i915_gem_object *obj)
85 switch (obj->tiling_mode) {
87 case I915_TILING_NONE: return " ";
88 case I915_TILING_X: return "X";
89 case I915_TILING_Y: return "Y";
93 static const char *cache_level_str(int type)
96 case I915_CACHE_NONE: return " uncached";
97 case I915_CACHE_LLC: return " snooped (LLC)";
98 case I915_CACHE_LLC_MLC: return " snooped (LLC+MLC)";
104 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
106 seq_printf(m, "%pK: %s%s %8zdKiB %02x %02x %d %d %d%s%s%s",
109 get_tiling_flag(obj),
110 obj->base.size / 1024,
111 obj->base.read_domains,
112 obj->base.write_domain,
113 obj->last_read_seqno,
114 obj->last_write_seqno,
115 obj->last_fenced_seqno,
116 cache_level_str(obj->cache_level),
117 obj->dirty ? " dirty" : "",
118 obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
120 seq_printf(m, " (name: %d)", obj->base.name);
122 seq_printf(m, " (pinned x %d)", obj->pin_count);
123 if (obj->fence_reg != I915_FENCE_REG_NONE)
124 seq_printf(m, " (fence: %d)", obj->fence_reg);
125 if (obj->gtt_space != NULL)
126 seq_printf(m, " (gtt offset: %08x, size: %08x)",
127 obj->gtt_offset, (unsigned int)obj->gtt_space->size);
129 seq_printf(m, " (stolen: %08lx)", obj->stolen->start);
130 if (obj->pin_mappable || obj->fault_mappable) {
132 if (obj->pin_mappable)
134 if (obj->fault_mappable)
137 seq_printf(m, " (%s mappable)", s);
139 if (obj->ring != NULL)
140 seq_printf(m, " (%s)", obj->ring->name);
143 static int i915_gem_object_list_info(struct seq_file *m, void *data)
145 struct drm_info_node *node = (struct drm_info_node *) m->private;
146 uintptr_t list = (uintptr_t) node->info_ent->data;
147 struct list_head *head;
148 struct drm_device *dev = node->minor->dev;
149 drm_i915_private_t *dev_priv = dev->dev_private;
150 struct drm_i915_gem_object *obj;
151 size_t total_obj_size, total_gtt_size;
154 ret = mutex_lock_interruptible(&dev->struct_mutex);
160 seq_printf(m, "Active:\n");
161 head = &dev_priv->mm.active_list;
164 seq_printf(m, "Inactive:\n");
165 head = &dev_priv->mm.inactive_list;
168 mutex_unlock(&dev->struct_mutex);
172 total_obj_size = total_gtt_size = count = 0;
173 list_for_each_entry(obj, head, mm_list) {
175 describe_obj(m, obj);
177 total_obj_size += obj->base.size;
178 total_gtt_size += obj->gtt_space->size;
181 mutex_unlock(&dev->struct_mutex);
183 seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
184 count, total_obj_size, total_gtt_size);
188 #define count_objects(list, member) do { \
189 list_for_each_entry(obj, list, member) { \
190 size += obj->gtt_space->size; \
192 if (obj->map_and_fenceable) { \
193 mappable_size += obj->gtt_space->size; \
199 static int i915_gem_object_info(struct seq_file *m, void* data)
201 struct drm_info_node *node = (struct drm_info_node *) m->private;
202 struct drm_device *dev = node->minor->dev;
203 struct drm_i915_private *dev_priv = dev->dev_private;
204 u32 count, mappable_count, purgeable_count;
205 size_t size, mappable_size, purgeable_size;
206 struct drm_i915_gem_object *obj;
209 ret = mutex_lock_interruptible(&dev->struct_mutex);
213 seq_printf(m, "%u objects, %zu bytes\n",
214 dev_priv->mm.object_count,
215 dev_priv->mm.object_memory);
217 size = count = mappable_size = mappable_count = 0;
218 count_objects(&dev_priv->mm.bound_list, gtt_list);
219 seq_printf(m, "%u [%u] objects, %zu [%zu] bytes in gtt\n",
220 count, mappable_count, size, mappable_size);
222 size = count = mappable_size = mappable_count = 0;
223 count_objects(&dev_priv->mm.active_list, mm_list);
224 seq_printf(m, " %u [%u] active objects, %zu [%zu] bytes\n",
225 count, mappable_count, size, mappable_size);
227 size = count = mappable_size = mappable_count = 0;
228 count_objects(&dev_priv->mm.inactive_list, mm_list);
229 seq_printf(m, " %u [%u] inactive objects, %zu [%zu] bytes\n",
230 count, mappable_count, size, mappable_size);
232 size = count = purgeable_size = purgeable_count = 0;
233 list_for_each_entry(obj, &dev_priv->mm.unbound_list, gtt_list) {
234 size += obj->base.size, ++count;
235 if (obj->madv == I915_MADV_DONTNEED)
236 purgeable_size += obj->base.size, ++purgeable_count;
238 seq_printf(m, "%u unbound objects, %zu bytes\n", count, size);
240 size = count = mappable_size = mappable_count = 0;
241 list_for_each_entry(obj, &dev_priv->mm.bound_list, gtt_list) {
242 if (obj->fault_mappable) {
243 size += obj->gtt_space->size;
246 if (obj->pin_mappable) {
247 mappable_size += obj->gtt_space->size;
250 if (obj->madv == I915_MADV_DONTNEED) {
251 purgeable_size += obj->base.size;
255 seq_printf(m, "%u purgeable objects, %zu bytes\n",
256 purgeable_count, purgeable_size);
257 seq_printf(m, "%u pinned mappable objects, %zu bytes\n",
258 mappable_count, mappable_size);
259 seq_printf(m, "%u fault mappable objects, %zu bytes\n",
262 seq_printf(m, "%zu [%lu] gtt total\n",
264 dev_priv->gtt.mappable_end - dev_priv->gtt.start);
266 mutex_unlock(&dev->struct_mutex);
271 static int i915_gem_gtt_info(struct seq_file *m, void* data)
273 struct drm_info_node *node = (struct drm_info_node *) m->private;
274 struct drm_device *dev = node->minor->dev;
275 uintptr_t list = (uintptr_t) node->info_ent->data;
276 struct drm_i915_private *dev_priv = dev->dev_private;
277 struct drm_i915_gem_object *obj;
278 size_t total_obj_size, total_gtt_size;
281 ret = mutex_lock_interruptible(&dev->struct_mutex);
285 total_obj_size = total_gtt_size = count = 0;
286 list_for_each_entry(obj, &dev_priv->mm.bound_list, gtt_list) {
287 if (list == PINNED_LIST && obj->pin_count == 0)
291 describe_obj(m, obj);
293 total_obj_size += obj->base.size;
294 total_gtt_size += obj->gtt_space->size;
298 mutex_unlock(&dev->struct_mutex);
300 seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
301 count, total_obj_size, total_gtt_size);
306 static int i915_gem_pageflip_info(struct seq_file *m, void *data)
308 struct drm_info_node *node = (struct drm_info_node *) m->private;
309 struct drm_device *dev = node->minor->dev;
311 struct intel_crtc *crtc;
313 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
314 const char pipe = pipe_name(crtc->pipe);
315 const char plane = plane_name(crtc->plane);
316 struct intel_unpin_work *work;
318 spin_lock_irqsave(&dev->event_lock, flags);
319 work = crtc->unpin_work;
321 seq_printf(m, "No flip due on pipe %c (plane %c)\n",
324 if (atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
325 seq_printf(m, "Flip queued on pipe %c (plane %c)\n",
328 seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
331 if (work->enable_stall_check)
332 seq_printf(m, "Stall check enabled, ");
334 seq_printf(m, "Stall check waiting for page flip ioctl, ");
335 seq_printf(m, "%d prepares\n", atomic_read(&work->pending));
337 if (work->old_fb_obj) {
338 struct drm_i915_gem_object *obj = work->old_fb_obj;
340 seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj->gtt_offset);
342 if (work->pending_flip_obj) {
343 struct drm_i915_gem_object *obj = work->pending_flip_obj;
345 seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj->gtt_offset);
348 spin_unlock_irqrestore(&dev->event_lock, flags);
354 static int i915_gem_request_info(struct seq_file *m, void *data)
356 struct drm_info_node *node = (struct drm_info_node *) m->private;
357 struct drm_device *dev = node->minor->dev;
358 drm_i915_private_t *dev_priv = dev->dev_private;
359 struct intel_ring_buffer *ring;
360 struct drm_i915_gem_request *gem_request;
363 ret = mutex_lock_interruptible(&dev->struct_mutex);
368 for_each_ring(ring, dev_priv, i) {
369 if (list_empty(&ring->request_list))
372 seq_printf(m, "%s requests:\n", ring->name);
373 list_for_each_entry(gem_request,
376 seq_printf(m, " %d @ %d\n",
378 (int) (jiffies - gem_request->emitted_jiffies));
382 mutex_unlock(&dev->struct_mutex);
385 seq_printf(m, "No requests\n");
390 static void i915_ring_seqno_info(struct seq_file *m,
391 struct intel_ring_buffer *ring)
393 if (ring->get_seqno) {
394 seq_printf(m, "Current sequence (%s): %u\n",
395 ring->name, ring->get_seqno(ring, false));
399 static int i915_gem_seqno_info(struct seq_file *m, void *data)
401 struct drm_info_node *node = (struct drm_info_node *) m->private;
402 struct drm_device *dev = node->minor->dev;
403 drm_i915_private_t *dev_priv = dev->dev_private;
404 struct intel_ring_buffer *ring;
407 ret = mutex_lock_interruptible(&dev->struct_mutex);
411 for_each_ring(ring, dev_priv, i)
412 i915_ring_seqno_info(m, ring);
414 mutex_unlock(&dev->struct_mutex);
420 static int i915_interrupt_info(struct seq_file *m, void *data)
422 struct drm_info_node *node = (struct drm_info_node *) m->private;
423 struct drm_device *dev = node->minor->dev;
424 drm_i915_private_t *dev_priv = dev->dev_private;
425 struct intel_ring_buffer *ring;
428 ret = mutex_lock_interruptible(&dev->struct_mutex);
432 if (IS_VALLEYVIEW(dev)) {
433 seq_printf(m, "Display IER:\t%08x\n",
435 seq_printf(m, "Display IIR:\t%08x\n",
437 seq_printf(m, "Display IIR_RW:\t%08x\n",
438 I915_READ(VLV_IIR_RW));
439 seq_printf(m, "Display IMR:\t%08x\n",
442 seq_printf(m, "Pipe %c stat:\t%08x\n",
444 I915_READ(PIPESTAT(pipe)));
446 seq_printf(m, "Master IER:\t%08x\n",
447 I915_READ(VLV_MASTER_IER));
449 seq_printf(m, "Render IER:\t%08x\n",
451 seq_printf(m, "Render IIR:\t%08x\n",
453 seq_printf(m, "Render IMR:\t%08x\n",
456 seq_printf(m, "PM IER:\t\t%08x\n",
457 I915_READ(GEN6_PMIER));
458 seq_printf(m, "PM IIR:\t\t%08x\n",
459 I915_READ(GEN6_PMIIR));
460 seq_printf(m, "PM IMR:\t\t%08x\n",
461 I915_READ(GEN6_PMIMR));
463 seq_printf(m, "Port hotplug:\t%08x\n",
464 I915_READ(PORT_HOTPLUG_EN));
465 seq_printf(m, "DPFLIPSTAT:\t%08x\n",
466 I915_READ(VLV_DPFLIPSTAT));
467 seq_printf(m, "DPINVGTT:\t%08x\n",
468 I915_READ(DPINVGTT));
470 } else if (!HAS_PCH_SPLIT(dev)) {
471 seq_printf(m, "Interrupt enable: %08x\n",
473 seq_printf(m, "Interrupt identity: %08x\n",
475 seq_printf(m, "Interrupt mask: %08x\n",
478 seq_printf(m, "Pipe %c stat: %08x\n",
480 I915_READ(PIPESTAT(pipe)));
482 seq_printf(m, "North Display Interrupt enable: %08x\n",
484 seq_printf(m, "North Display Interrupt identity: %08x\n",
486 seq_printf(m, "North Display Interrupt mask: %08x\n",
488 seq_printf(m, "South Display Interrupt enable: %08x\n",
490 seq_printf(m, "South Display Interrupt identity: %08x\n",
492 seq_printf(m, "South Display Interrupt mask: %08x\n",
494 seq_printf(m, "Graphics Interrupt enable: %08x\n",
496 seq_printf(m, "Graphics Interrupt identity: %08x\n",
498 seq_printf(m, "Graphics Interrupt mask: %08x\n",
501 seq_printf(m, "Interrupts received: %d\n",
502 atomic_read(&dev_priv->irq_received));
503 for_each_ring(ring, dev_priv, i) {
504 if (IS_GEN6(dev) || IS_GEN7(dev)) {
506 "Graphics Interrupt mask (%s): %08x\n",
507 ring->name, I915_READ_IMR(ring));
509 i915_ring_seqno_info(m, ring);
511 mutex_unlock(&dev->struct_mutex);
516 static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
518 struct drm_info_node *node = (struct drm_info_node *) m->private;
519 struct drm_device *dev = node->minor->dev;
520 drm_i915_private_t *dev_priv = dev->dev_private;
523 ret = mutex_lock_interruptible(&dev->struct_mutex);
527 seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
528 seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
529 for (i = 0; i < dev_priv->num_fence_regs; i++) {
530 struct drm_i915_gem_object *obj = dev_priv->fence_regs[i].obj;
532 seq_printf(m, "Fence %d, pin count = %d, object = ",
533 i, dev_priv->fence_regs[i].pin_count);
535 seq_printf(m, "unused");
537 describe_obj(m, obj);
541 mutex_unlock(&dev->struct_mutex);
545 static int i915_hws_info(struct seq_file *m, void *data)
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;
554 ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
555 hws = ring->status_page.page_addr;
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",
562 hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
567 static const char *ring_str(int ring)
570 case RCS: return "render";
571 case VCS: return "bsd";
572 case BCS: return "blt";
577 static const char *pin_flag(int pinned)
587 static const char *tiling_flag(int tiling)
591 case I915_TILING_NONE: return "";
592 case I915_TILING_X: return " X";
593 case I915_TILING_Y: return " Y";
597 static const char *dirty_flag(int dirty)
599 return dirty ? " dirty" : "";
602 static const char *purgeable_flag(int purgeable)
604 return purgeable ? " purgeable" : "";
607 static void print_error_buffers(struct seq_file *m,
609 struct drm_i915_error_buffer *err,
612 seq_printf(m, "%s [%d]:\n", name, count);
615 seq_printf(m, " %08x %8u %02x %02x %x %x%s%s%s%s%s%s%s",
620 err->rseqno, err->wseqno,
621 pin_flag(err->pinned),
622 tiling_flag(err->tiling),
623 dirty_flag(err->dirty),
624 purgeable_flag(err->purgeable),
625 err->ring != -1 ? " " : "",
627 cache_level_str(err->cache_level));
630 seq_printf(m, " (name: %d)", err->name);
631 if (err->fence_reg != I915_FENCE_REG_NONE)
632 seq_printf(m, " (fence: %d)", err->fence_reg);
639 static void i915_ring_error_state(struct seq_file *m,
640 struct drm_device *dev,
641 struct drm_i915_error_state *error,
644 BUG_ON(ring >= I915_NUM_RINGS); /* shut up confused gcc */
645 seq_printf(m, "%s command stream:\n", ring_str(ring));
646 seq_printf(m, " HEAD: 0x%08x\n", error->head[ring]);
647 seq_printf(m, " TAIL: 0x%08x\n", error->tail[ring]);
648 seq_printf(m, " CTL: 0x%08x\n", error->ctl[ring]);
649 seq_printf(m, " ACTHD: 0x%08x\n", error->acthd[ring]);
650 seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir[ring]);
651 seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr[ring]);
652 seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone[ring]);
653 if (ring == RCS && INTEL_INFO(dev)->gen >= 4)
654 seq_printf(m, " BBADDR: 0x%08llx\n", error->bbaddr);
656 if (INTEL_INFO(dev)->gen >= 4)
657 seq_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]);
658 seq_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]);
659 seq_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
660 if (INTEL_INFO(dev)->gen >= 6) {
661 seq_printf(m, " RC PSMI: 0x%08x\n", error->rc_psmi[ring]);
662 seq_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
663 seq_printf(m, " SYNC_0: 0x%08x [last synced 0x%08x]\n",
664 error->semaphore_mboxes[ring][0],
665 error->semaphore_seqno[ring][0]);
666 seq_printf(m, " SYNC_1: 0x%08x [last synced 0x%08x]\n",
667 error->semaphore_mboxes[ring][1],
668 error->semaphore_seqno[ring][1]);
670 seq_printf(m, " seqno: 0x%08x\n", error->seqno[ring]);
671 seq_printf(m, " waiting: %s\n", yesno(error->waiting[ring]));
672 seq_printf(m, " ring->head: 0x%08x\n", error->cpu_ring_head[ring]);
673 seq_printf(m, " ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]);
676 struct i915_error_state_file_priv {
677 struct drm_device *dev;
678 struct drm_i915_error_state *error;
681 static int i915_error_state(struct seq_file *m, void *unused)
683 struct i915_error_state_file_priv *error_priv = m->private;
684 struct drm_device *dev = error_priv->dev;
685 drm_i915_private_t *dev_priv = dev->dev_private;
686 struct drm_i915_error_state *error = error_priv->error;
687 struct intel_ring_buffer *ring;
688 int i, j, page, offset, elt;
691 seq_printf(m, "no error state collected\n");
695 seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
696 error->time.tv_usec);
697 seq_printf(m, "Kernel: " UTS_RELEASE "\n");
698 seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
699 seq_printf(m, "EIR: 0x%08x\n", error->eir);
700 seq_printf(m, "IER: 0x%08x\n", error->ier);
701 seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
702 seq_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake);
703 seq_printf(m, "DERRMR: 0x%08x\n", error->derrmr);
704 seq_printf(m, "CCID: 0x%08x\n", error->ccid);
706 for (i = 0; i < dev_priv->num_fence_regs; i++)
707 seq_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]);
709 for (i = 0; i < ARRAY_SIZE(error->extra_instdone); i++)
710 seq_printf(m, " INSTDONE_%d: 0x%08x\n", i, error->extra_instdone[i]);
712 if (INTEL_INFO(dev)->gen >= 6) {
713 seq_printf(m, "ERROR: 0x%08x\n", error->error);
714 seq_printf(m, "DONE_REG: 0x%08x\n", error->done_reg);
717 if (INTEL_INFO(dev)->gen == 7)
718 seq_printf(m, "ERR_INT: 0x%08x\n", error->err_int);
720 for_each_ring(ring, dev_priv, i)
721 i915_ring_error_state(m, dev, error, i);
723 if (error->active_bo)
724 print_error_buffers(m, "Active",
726 error->active_bo_count);
728 if (error->pinned_bo)
729 print_error_buffers(m, "Pinned",
731 error->pinned_bo_count);
733 for (i = 0; i < ARRAY_SIZE(error->ring); i++) {
734 struct drm_i915_error_object *obj;
736 if ((obj = error->ring[i].batchbuffer)) {
737 seq_printf(m, "%s --- gtt_offset = 0x%08x\n",
738 dev_priv->ring[i].name,
741 for (page = 0; page < obj->page_count; page++) {
742 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
743 seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]);
749 if (error->ring[i].num_requests) {
750 seq_printf(m, "%s --- %d requests\n",
751 dev_priv->ring[i].name,
752 error->ring[i].num_requests);
753 for (j = 0; j < error->ring[i].num_requests; j++) {
754 seq_printf(m, " seqno 0x%08x, emitted %ld, tail 0x%08x\n",
755 error->ring[i].requests[j].seqno,
756 error->ring[i].requests[j].jiffies,
757 error->ring[i].requests[j].tail);
761 if ((obj = error->ring[i].ringbuffer)) {
762 seq_printf(m, "%s --- ringbuffer = 0x%08x\n",
763 dev_priv->ring[i].name,
766 for (page = 0; page < obj->page_count; page++) {
767 for (elt = 0; elt < PAGE_SIZE/4; elt++) {
768 seq_printf(m, "%08x : %08x\n",
770 obj->pages[page][elt]);
776 obj = error->ring[i].ctx;
778 seq_printf(m, "%s --- HW Context = 0x%08x\n",
779 dev_priv->ring[i].name,
782 for (elt = 0; elt < PAGE_SIZE/16; elt += 4) {
783 seq_printf(m, "[%04x] %08x %08x %08x %08x\n",
786 obj->pages[0][elt+1],
787 obj->pages[0][elt+2],
788 obj->pages[0][elt+3]);
795 intel_overlay_print_error_state(m, error->overlay);
798 intel_display_print_error_state(m, dev, error->display);
804 i915_error_state_write(struct file *filp,
805 const char __user *ubuf,
809 struct seq_file *m = filp->private_data;
810 struct i915_error_state_file_priv *error_priv = m->private;
811 struct drm_device *dev = error_priv->dev;
814 DRM_DEBUG_DRIVER("Resetting error state\n");
816 ret = mutex_lock_interruptible(&dev->struct_mutex);
820 i915_destroy_error_state(dev);
821 mutex_unlock(&dev->struct_mutex);
826 static int i915_error_state_open(struct inode *inode, struct file *file)
828 struct drm_device *dev = inode->i_private;
829 drm_i915_private_t *dev_priv = dev->dev_private;
830 struct i915_error_state_file_priv *error_priv;
833 error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL);
837 error_priv->dev = dev;
839 spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
840 error_priv->error = dev_priv->gpu_error.first_error;
841 if (error_priv->error)
842 kref_get(&error_priv->error->ref);
843 spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags);
845 return single_open(file, i915_error_state, error_priv);
848 static int i915_error_state_release(struct inode *inode, struct file *file)
850 struct seq_file *m = file->private_data;
851 struct i915_error_state_file_priv *error_priv = m->private;
853 if (error_priv->error)
854 kref_put(&error_priv->error->ref, i915_error_state_free);
857 return single_release(inode, file);
860 static const struct file_operations i915_error_state_fops = {
861 .owner = THIS_MODULE,
862 .open = i915_error_state_open,
864 .write = i915_error_state_write,
865 .llseek = default_llseek,
866 .release = i915_error_state_release,
870 i915_next_seqno_get(void *data, u64 *val)
872 struct drm_device *dev = data;
873 drm_i915_private_t *dev_priv = dev->dev_private;
876 ret = mutex_lock_interruptible(&dev->struct_mutex);
880 *val = dev_priv->next_seqno;
881 mutex_unlock(&dev->struct_mutex);
887 i915_next_seqno_set(void *data, u64 val)
889 struct drm_device *dev = data;
892 ret = mutex_lock_interruptible(&dev->struct_mutex);
896 ret = i915_gem_set_seqno(dev, val);
897 mutex_unlock(&dev->struct_mutex);
902 DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops,
903 i915_next_seqno_get, i915_next_seqno_set,
906 static int i915_rstdby_delays(struct seq_file *m, void *unused)
908 struct drm_info_node *node = (struct drm_info_node *) m->private;
909 struct drm_device *dev = node->minor->dev;
910 drm_i915_private_t *dev_priv = dev->dev_private;
914 ret = mutex_lock_interruptible(&dev->struct_mutex);
918 crstanddelay = I915_READ16(CRSTANDVID);
920 mutex_unlock(&dev->struct_mutex);
922 seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
927 static int i915_cur_delayinfo(struct seq_file *m, void *unused)
929 struct drm_info_node *node = (struct drm_info_node *) m->private;
930 struct drm_device *dev = node->minor->dev;
931 drm_i915_private_t *dev_priv = dev->dev_private;
935 u16 rgvswctl = I915_READ16(MEMSWCTL);
936 u16 rgvstat = I915_READ16(MEMSTAT_ILK);
938 seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf);
939 seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f);
940 seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
942 seq_printf(m, "Current P-state: %d\n",
943 (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
944 } else if ((IS_GEN6(dev) || IS_GEN7(dev)) && !IS_VALLEYVIEW(dev)) {
945 u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
946 u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
947 u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
949 u32 rpupei, rpcurup, rpprevup;
950 u32 rpdownei, rpcurdown, rpprevdown;
953 /* RPSTAT1 is in the GT power well */
954 ret = mutex_lock_interruptible(&dev->struct_mutex);
958 gen6_gt_force_wake_get(dev_priv);
960 rpstat = I915_READ(GEN6_RPSTAT1);
961 rpupei = I915_READ(GEN6_RP_CUR_UP_EI);
962 rpcurup = I915_READ(GEN6_RP_CUR_UP);
963 rpprevup = I915_READ(GEN6_RP_PREV_UP);
964 rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI);
965 rpcurdown = I915_READ(GEN6_RP_CUR_DOWN);
966 rpprevdown = I915_READ(GEN6_RP_PREV_DOWN);
968 cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT;
970 cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT;
971 cagf *= GT_FREQUENCY_MULTIPLIER;
973 gen6_gt_force_wake_put(dev_priv);
974 mutex_unlock(&dev->struct_mutex);
976 seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
977 seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat);
978 seq_printf(m, "Render p-state ratio: %d\n",
979 (gt_perf_status & 0xff00) >> 8);
980 seq_printf(m, "Render p-state VID: %d\n",
981 gt_perf_status & 0xff);
982 seq_printf(m, "Render p-state limit: %d\n",
983 rp_state_limits & 0xff);
984 seq_printf(m, "CAGF: %dMHz\n", cagf);
985 seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
987 seq_printf(m, "RP CUR UP: %dus\n", rpcurup &
988 GEN6_CURBSYTAVG_MASK);
989 seq_printf(m, "RP PREV UP: %dus\n", rpprevup &
990 GEN6_CURBSYTAVG_MASK);
991 seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei &
993 seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown &
994 GEN6_CURBSYTAVG_MASK);
995 seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown &
996 GEN6_CURBSYTAVG_MASK);
998 max_freq = (rp_state_cap & 0xff0000) >> 16;
999 seq_printf(m, "Lowest (RPN) frequency: %dMHz\n",
1000 max_freq * GT_FREQUENCY_MULTIPLIER);
1002 max_freq = (rp_state_cap & 0xff00) >> 8;
1003 seq_printf(m, "Nominal (RP1) frequency: %dMHz\n",
1004 max_freq * GT_FREQUENCY_MULTIPLIER);
1006 max_freq = rp_state_cap & 0xff;
1007 seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n",
1008 max_freq * GT_FREQUENCY_MULTIPLIER);
1010 seq_printf(m, "Max overclocked frequency: %dMHz\n",
1011 dev_priv->rps.hw_max * GT_FREQUENCY_MULTIPLIER);
1012 } else if (IS_VALLEYVIEW(dev)) {
1015 mutex_lock(&dev_priv->rps.hw_lock);
1016 valleyview_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS,
1018 seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts);
1019 seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq);
1021 valleyview_punit_read(dev_priv, PUNIT_FUSE_BUS1, &val);
1022 seq_printf(m, "max GPU freq: %d MHz\n",
1023 vlv_gpu_freq(dev_priv->mem_freq, val));
1025 valleyview_punit_read(dev_priv, PUNIT_REG_GPU_LFM, &val);
1026 seq_printf(m, "min GPU freq: %d MHz\n",
1027 vlv_gpu_freq(dev_priv->mem_freq, val));
1029 seq_printf(m, "current GPU freq: %d MHz\n",
1030 vlv_gpu_freq(dev_priv->mem_freq,
1031 (freq_sts >> 8) & 0xff));
1032 mutex_unlock(&dev_priv->rps.hw_lock);
1034 seq_printf(m, "no P-state info available\n");
1040 static int i915_delayfreq_table(struct seq_file *m, void *unused)
1042 struct drm_info_node *node = (struct drm_info_node *) m->private;
1043 struct drm_device *dev = node->minor->dev;
1044 drm_i915_private_t *dev_priv = dev->dev_private;
1048 ret = mutex_lock_interruptible(&dev->struct_mutex);
1052 for (i = 0; i < 16; i++) {
1053 delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
1054 seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq,
1055 (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
1058 mutex_unlock(&dev->struct_mutex);
1063 static inline int MAP_TO_MV(int map)
1065 return 1250 - (map * 25);
1068 static int i915_inttoext_table(struct seq_file *m, void *unused)
1070 struct drm_info_node *node = (struct drm_info_node *) m->private;
1071 struct drm_device *dev = node->minor->dev;
1072 drm_i915_private_t *dev_priv = dev->dev_private;
1076 ret = mutex_lock_interruptible(&dev->struct_mutex);
1080 for (i = 1; i <= 32; i++) {
1081 inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
1082 seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
1085 mutex_unlock(&dev->struct_mutex);
1090 static int ironlake_drpc_info(struct seq_file *m)
1092 struct drm_info_node *node = (struct drm_info_node *) m->private;
1093 struct drm_device *dev = node->minor->dev;
1094 drm_i915_private_t *dev_priv = dev->dev_private;
1095 u32 rgvmodectl, rstdbyctl;
1099 ret = mutex_lock_interruptible(&dev->struct_mutex);
1103 rgvmodectl = I915_READ(MEMMODECTL);
1104 rstdbyctl = I915_READ(RSTDBYCTL);
1105 crstandvid = I915_READ16(CRSTANDVID);
1107 mutex_unlock(&dev->struct_mutex);
1109 seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
1111 seq_printf(m, "Boost freq: %d\n",
1112 (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
1113 MEMMODE_BOOST_FREQ_SHIFT);
1114 seq_printf(m, "HW control enabled: %s\n",
1115 rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no");
1116 seq_printf(m, "SW control enabled: %s\n",
1117 rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no");
1118 seq_printf(m, "Gated voltage change: %s\n",
1119 rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no");
1120 seq_printf(m, "Starting frequency: P%d\n",
1121 (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
1122 seq_printf(m, "Max P-state: P%d\n",
1123 (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
1124 seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
1125 seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
1126 seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
1127 seq_printf(m, "Render standby enabled: %s\n",
1128 (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes");
1129 seq_printf(m, "Current RS state: ");
1130 switch (rstdbyctl & RSX_STATUS_MASK) {
1132 seq_printf(m, "on\n");
1134 case RSX_STATUS_RC1:
1135 seq_printf(m, "RC1\n");
1137 case RSX_STATUS_RC1E:
1138 seq_printf(m, "RC1E\n");
1140 case RSX_STATUS_RS1:
1141 seq_printf(m, "RS1\n");
1143 case RSX_STATUS_RS2:
1144 seq_printf(m, "RS2 (RC6)\n");
1146 case RSX_STATUS_RS3:
1147 seq_printf(m, "RC3 (RC6+)\n");
1150 seq_printf(m, "unknown\n");
1157 static int gen6_drpc_info(struct seq_file *m)
1160 struct drm_info_node *node = (struct drm_info_node *) m->private;
1161 struct drm_device *dev = node->minor->dev;
1162 struct drm_i915_private *dev_priv = dev->dev_private;
1163 u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0;
1164 unsigned forcewake_count;
1168 ret = mutex_lock_interruptible(&dev->struct_mutex);
1172 spin_lock_irq(&dev_priv->gt_lock);
1173 forcewake_count = dev_priv->forcewake_count;
1174 spin_unlock_irq(&dev_priv->gt_lock);
1176 if (forcewake_count) {
1177 seq_printf(m, "RC information inaccurate because somebody "
1178 "holds a forcewake reference \n");
1180 /* NB: we cannot use forcewake, else we read the wrong values */
1181 while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1))
1183 seq_printf(m, "RC information accurate: %s\n", yesno(count < 51));
1186 gt_core_status = readl(dev_priv->regs + GEN6_GT_CORE_STATUS);
1187 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4);
1189 rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
1190 rcctl1 = I915_READ(GEN6_RC_CONTROL);
1191 mutex_unlock(&dev->struct_mutex);
1192 mutex_lock(&dev_priv->rps.hw_lock);
1193 sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
1194 mutex_unlock(&dev_priv->rps.hw_lock);
1196 seq_printf(m, "Video Turbo Mode: %s\n",
1197 yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO));
1198 seq_printf(m, "HW control enabled: %s\n",
1199 yesno(rpmodectl1 & GEN6_RP_ENABLE));
1200 seq_printf(m, "SW control enabled: %s\n",
1201 yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) ==
1202 GEN6_RP_MEDIA_SW_MODE));
1203 seq_printf(m, "RC1e Enabled: %s\n",
1204 yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE));
1205 seq_printf(m, "RC6 Enabled: %s\n",
1206 yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
1207 seq_printf(m, "Deep RC6 Enabled: %s\n",
1208 yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE));
1209 seq_printf(m, "Deepest RC6 Enabled: %s\n",
1210 yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE));
1211 seq_printf(m, "Current RC state: ");
1212 switch (gt_core_status & GEN6_RCn_MASK) {
1214 if (gt_core_status & GEN6_CORE_CPD_STATE_MASK)
1215 seq_printf(m, "Core Power Down\n");
1217 seq_printf(m, "on\n");
1220 seq_printf(m, "RC3\n");
1223 seq_printf(m, "RC6\n");
1226 seq_printf(m, "RC7\n");
1229 seq_printf(m, "Unknown\n");
1233 seq_printf(m, "Core Power Down: %s\n",
1234 yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK));
1236 /* Not exactly sure what this is */
1237 seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n",
1238 I915_READ(GEN6_GT_GFX_RC6_LOCKED));
1239 seq_printf(m, "RC6 residency since boot: %u\n",
1240 I915_READ(GEN6_GT_GFX_RC6));
1241 seq_printf(m, "RC6+ residency since boot: %u\n",
1242 I915_READ(GEN6_GT_GFX_RC6p));
1243 seq_printf(m, "RC6++ residency since boot: %u\n",
1244 I915_READ(GEN6_GT_GFX_RC6pp));
1246 seq_printf(m, "RC6 voltage: %dmV\n",
1247 GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff)));
1248 seq_printf(m, "RC6+ voltage: %dmV\n",
1249 GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff)));
1250 seq_printf(m, "RC6++ voltage: %dmV\n",
1251 GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff)));
1255 static int i915_drpc_info(struct seq_file *m, void *unused)
1257 struct drm_info_node *node = (struct drm_info_node *) m->private;
1258 struct drm_device *dev = node->minor->dev;
1260 if (IS_GEN6(dev) || IS_GEN7(dev))
1261 return gen6_drpc_info(m);
1263 return ironlake_drpc_info(m);
1266 static int i915_fbc_status(struct seq_file *m, void *unused)
1268 struct drm_info_node *node = (struct drm_info_node *) m->private;
1269 struct drm_device *dev = node->minor->dev;
1270 drm_i915_private_t *dev_priv = dev->dev_private;
1272 if (!I915_HAS_FBC(dev)) {
1273 seq_printf(m, "FBC unsupported on this chipset\n");
1277 if (intel_fbc_enabled(dev)) {
1278 seq_printf(m, "FBC enabled\n");
1280 seq_printf(m, "FBC disabled: ");
1281 switch (dev_priv->no_fbc_reason) {
1283 seq_printf(m, "no outputs");
1285 case FBC_STOLEN_TOO_SMALL:
1286 seq_printf(m, "not enough stolen memory");
1288 case FBC_UNSUPPORTED_MODE:
1289 seq_printf(m, "mode not supported");
1291 case FBC_MODE_TOO_LARGE:
1292 seq_printf(m, "mode too large");
1295 seq_printf(m, "FBC unsupported on plane");
1298 seq_printf(m, "scanout buffer not tiled");
1300 case FBC_MULTIPLE_PIPES:
1301 seq_printf(m, "multiple pipes are enabled");
1303 case FBC_MODULE_PARAM:
1304 seq_printf(m, "disabled per module param (default off)");
1307 seq_printf(m, "unknown reason");
1309 seq_printf(m, "\n");
1314 static int i915_sr_status(struct seq_file *m, void *unused)
1316 struct drm_info_node *node = (struct drm_info_node *) m->private;
1317 struct drm_device *dev = node->minor->dev;
1318 drm_i915_private_t *dev_priv = dev->dev_private;
1319 bool sr_enabled = false;
1321 if (HAS_PCH_SPLIT(dev))
1322 sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
1323 else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev))
1324 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
1325 else if (IS_I915GM(dev))
1326 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
1327 else if (IS_PINEVIEW(dev))
1328 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
1330 seq_printf(m, "self-refresh: %s\n",
1331 sr_enabled ? "enabled" : "disabled");
1336 static int i915_emon_status(struct seq_file *m, void *unused)
1338 struct drm_info_node *node = (struct drm_info_node *) m->private;
1339 struct drm_device *dev = node->minor->dev;
1340 drm_i915_private_t *dev_priv = dev->dev_private;
1341 unsigned long temp, chipset, gfx;
1347 ret = mutex_lock_interruptible(&dev->struct_mutex);
1351 temp = i915_mch_val(dev_priv);
1352 chipset = i915_chipset_val(dev_priv);
1353 gfx = i915_gfx_val(dev_priv);
1354 mutex_unlock(&dev->struct_mutex);
1356 seq_printf(m, "GMCH temp: %ld\n", temp);
1357 seq_printf(m, "Chipset power: %ld\n", chipset);
1358 seq_printf(m, "GFX power: %ld\n", gfx);
1359 seq_printf(m, "Total power: %ld\n", chipset + gfx);
1364 static int i915_ring_freq_table(struct seq_file *m, void *unused)
1366 struct drm_info_node *node = (struct drm_info_node *) m->private;
1367 struct drm_device *dev = node->minor->dev;
1368 drm_i915_private_t *dev_priv = dev->dev_private;
1370 int gpu_freq, ia_freq;
1372 if (!(IS_GEN6(dev) || IS_GEN7(dev))) {
1373 seq_printf(m, "unsupported on this chipset\n");
1377 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
1381 seq_printf(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
1383 for (gpu_freq = dev_priv->rps.min_delay;
1384 gpu_freq <= dev_priv->rps.max_delay;
1387 sandybridge_pcode_read(dev_priv,
1388 GEN6_PCODE_READ_MIN_FREQ_TABLE,
1390 seq_printf(m, "%d\t\t%d\t\t\t\t%d\n",
1391 gpu_freq * GT_FREQUENCY_MULTIPLIER,
1392 ((ia_freq >> 0) & 0xff) * 100,
1393 ((ia_freq >> 8) & 0xff) * 100);
1396 mutex_unlock(&dev_priv->rps.hw_lock);
1401 static int i915_gfxec(struct seq_file *m, void *unused)
1403 struct drm_info_node *node = (struct drm_info_node *) m->private;
1404 struct drm_device *dev = node->minor->dev;
1405 drm_i915_private_t *dev_priv = dev->dev_private;
1408 ret = mutex_lock_interruptible(&dev->struct_mutex);
1412 seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
1414 mutex_unlock(&dev->struct_mutex);
1419 static int i915_opregion(struct seq_file *m, void *unused)
1421 struct drm_info_node *node = (struct drm_info_node *) m->private;
1422 struct drm_device *dev = node->minor->dev;
1423 drm_i915_private_t *dev_priv = dev->dev_private;
1424 struct intel_opregion *opregion = &dev_priv->opregion;
1425 void *data = kmalloc(OPREGION_SIZE, GFP_KERNEL);
1431 ret = mutex_lock_interruptible(&dev->struct_mutex);
1435 if (opregion->header) {
1436 memcpy_fromio(data, opregion->header, OPREGION_SIZE);
1437 seq_write(m, data, OPREGION_SIZE);
1440 mutex_unlock(&dev->struct_mutex);
1447 static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
1449 struct drm_info_node *node = (struct drm_info_node *) m->private;
1450 struct drm_device *dev = node->minor->dev;
1451 drm_i915_private_t *dev_priv = dev->dev_private;
1452 struct intel_fbdev *ifbdev;
1453 struct intel_framebuffer *fb;
1456 ret = mutex_lock_interruptible(&dev->mode_config.mutex);
1460 ifbdev = dev_priv->fbdev;
1461 fb = to_intel_framebuffer(ifbdev->helper.fb);
1463 seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1467 fb->base.bits_per_pixel,
1468 atomic_read(&fb->base.refcount.refcount));
1469 describe_obj(m, fb->obj);
1470 seq_printf(m, "\n");
1471 mutex_unlock(&dev->mode_config.mutex);
1473 mutex_lock(&dev->mode_config.fb_lock);
1474 list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) {
1475 if (&fb->base == ifbdev->helper.fb)
1478 seq_printf(m, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1482 fb->base.bits_per_pixel,
1483 atomic_read(&fb->base.refcount.refcount));
1484 describe_obj(m, fb->obj);
1485 seq_printf(m, "\n");
1487 mutex_unlock(&dev->mode_config.fb_lock);
1492 static int i915_context_status(struct seq_file *m, void *unused)
1494 struct drm_info_node *node = (struct drm_info_node *) m->private;
1495 struct drm_device *dev = node->minor->dev;
1496 drm_i915_private_t *dev_priv = dev->dev_private;
1497 struct intel_ring_buffer *ring;
1500 ret = mutex_lock_interruptible(&dev->mode_config.mutex);
1504 if (dev_priv->ips.pwrctx) {
1505 seq_printf(m, "power context ");
1506 describe_obj(m, dev_priv->ips.pwrctx);
1507 seq_printf(m, "\n");
1510 if (dev_priv->ips.renderctx) {
1511 seq_printf(m, "render context ");
1512 describe_obj(m, dev_priv->ips.renderctx);
1513 seq_printf(m, "\n");
1516 for_each_ring(ring, dev_priv, i) {
1517 if (ring->default_context) {
1518 seq_printf(m, "HW default context %s ring ", ring->name);
1519 describe_obj(m, ring->default_context->obj);
1520 seq_printf(m, "\n");
1524 mutex_unlock(&dev->mode_config.mutex);
1529 static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data)
1531 struct drm_info_node *node = (struct drm_info_node *) m->private;
1532 struct drm_device *dev = node->minor->dev;
1533 struct drm_i915_private *dev_priv = dev->dev_private;
1534 unsigned forcewake_count;
1536 spin_lock_irq(&dev_priv->gt_lock);
1537 forcewake_count = dev_priv->forcewake_count;
1538 spin_unlock_irq(&dev_priv->gt_lock);
1540 seq_printf(m, "forcewake count = %u\n", forcewake_count);
1545 static const char *swizzle_string(unsigned swizzle)
1548 case I915_BIT_6_SWIZZLE_NONE:
1550 case I915_BIT_6_SWIZZLE_9:
1552 case I915_BIT_6_SWIZZLE_9_10:
1553 return "bit9/bit10";
1554 case I915_BIT_6_SWIZZLE_9_11:
1555 return "bit9/bit11";
1556 case I915_BIT_6_SWIZZLE_9_10_11:
1557 return "bit9/bit10/bit11";
1558 case I915_BIT_6_SWIZZLE_9_17:
1559 return "bit9/bit17";
1560 case I915_BIT_6_SWIZZLE_9_10_17:
1561 return "bit9/bit10/bit17";
1562 case I915_BIT_6_SWIZZLE_UNKNOWN:
1569 static int i915_swizzle_info(struct seq_file *m, void *data)
1571 struct drm_info_node *node = (struct drm_info_node *) m->private;
1572 struct drm_device *dev = node->minor->dev;
1573 struct drm_i915_private *dev_priv = dev->dev_private;
1576 ret = mutex_lock_interruptible(&dev->struct_mutex);
1580 seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
1581 swizzle_string(dev_priv->mm.bit_6_swizzle_x));
1582 seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
1583 swizzle_string(dev_priv->mm.bit_6_swizzle_y));
1585 if (IS_GEN3(dev) || IS_GEN4(dev)) {
1586 seq_printf(m, "DDC = 0x%08x\n",
1588 seq_printf(m, "C0DRB3 = 0x%04x\n",
1589 I915_READ16(C0DRB3));
1590 seq_printf(m, "C1DRB3 = 0x%04x\n",
1591 I915_READ16(C1DRB3));
1592 } else if (IS_GEN6(dev) || IS_GEN7(dev)) {
1593 seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
1594 I915_READ(MAD_DIMM_C0));
1595 seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
1596 I915_READ(MAD_DIMM_C1));
1597 seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n",
1598 I915_READ(MAD_DIMM_C2));
1599 seq_printf(m, "TILECTL = 0x%08x\n",
1600 I915_READ(TILECTL));
1601 seq_printf(m, "ARB_MODE = 0x%08x\n",
1602 I915_READ(ARB_MODE));
1603 seq_printf(m, "DISP_ARB_CTL = 0x%08x\n",
1604 I915_READ(DISP_ARB_CTL));
1606 mutex_unlock(&dev->struct_mutex);
1611 static int i915_ppgtt_info(struct seq_file *m, void *data)
1613 struct drm_info_node *node = (struct drm_info_node *) m->private;
1614 struct drm_device *dev = node->minor->dev;
1615 struct drm_i915_private *dev_priv = dev->dev_private;
1616 struct intel_ring_buffer *ring;
1620 ret = mutex_lock_interruptible(&dev->struct_mutex);
1623 if (INTEL_INFO(dev)->gen == 6)
1624 seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
1626 for_each_ring(ring, dev_priv, i) {
1627 seq_printf(m, "%s\n", ring->name);
1628 if (INTEL_INFO(dev)->gen == 7)
1629 seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring)));
1630 seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring)));
1631 seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring)));
1632 seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring)));
1634 if (dev_priv->mm.aliasing_ppgtt) {
1635 struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
1637 seq_printf(m, "aliasing PPGTT:\n");
1638 seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset);
1640 seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
1641 mutex_unlock(&dev->struct_mutex);
1646 static int i915_dpio_info(struct seq_file *m, void *data)
1648 struct drm_info_node *node = (struct drm_info_node *) m->private;
1649 struct drm_device *dev = node->minor->dev;
1650 struct drm_i915_private *dev_priv = dev->dev_private;
1654 if (!IS_VALLEYVIEW(dev)) {
1655 seq_printf(m, "unsupported\n");
1659 ret = mutex_lock_interruptible(&dev_priv->dpio_lock);
1663 seq_printf(m, "DPIO_CTL: 0x%08x\n", I915_READ(DPIO_CTL));
1665 seq_printf(m, "DPIO_DIV_A: 0x%08x\n",
1666 intel_dpio_read(dev_priv, _DPIO_DIV_A));
1667 seq_printf(m, "DPIO_DIV_B: 0x%08x\n",
1668 intel_dpio_read(dev_priv, _DPIO_DIV_B));
1670 seq_printf(m, "DPIO_REFSFR_A: 0x%08x\n",
1671 intel_dpio_read(dev_priv, _DPIO_REFSFR_A));
1672 seq_printf(m, "DPIO_REFSFR_B: 0x%08x\n",
1673 intel_dpio_read(dev_priv, _DPIO_REFSFR_B));
1675 seq_printf(m, "DPIO_CORE_CLK_A: 0x%08x\n",
1676 intel_dpio_read(dev_priv, _DPIO_CORE_CLK_A));
1677 seq_printf(m, "DPIO_CORE_CLK_B: 0x%08x\n",
1678 intel_dpio_read(dev_priv, _DPIO_CORE_CLK_B));
1680 seq_printf(m, "DPIO_LFP_COEFF_A: 0x%08x\n",
1681 intel_dpio_read(dev_priv, _DPIO_LFP_COEFF_A));
1682 seq_printf(m, "DPIO_LFP_COEFF_B: 0x%08x\n",
1683 intel_dpio_read(dev_priv, _DPIO_LFP_COEFF_B));
1685 seq_printf(m, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
1686 intel_dpio_read(dev_priv, DPIO_FASTCLK_DISABLE));
1688 mutex_unlock(&dev_priv->dpio_lock);
1694 i915_wedged_get(void *data, u64 *val)
1696 struct drm_device *dev = data;
1697 drm_i915_private_t *dev_priv = dev->dev_private;
1699 *val = atomic_read(&dev_priv->gpu_error.reset_counter);
1705 i915_wedged_set(void *data, u64 val)
1707 struct drm_device *dev = data;
1709 DRM_INFO("Manually setting wedged to %llu\n", val);
1710 i915_handle_error(dev, val);
1715 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops,
1716 i915_wedged_get, i915_wedged_set,
1720 i915_ring_stop_get(void *data, u64 *val)
1722 struct drm_device *dev = data;
1723 drm_i915_private_t *dev_priv = dev->dev_private;
1725 *val = dev_priv->gpu_error.stop_rings;
1731 i915_ring_stop_set(void *data, u64 val)
1733 struct drm_device *dev = data;
1734 struct drm_i915_private *dev_priv = dev->dev_private;
1737 DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val);
1739 ret = mutex_lock_interruptible(&dev->struct_mutex);
1743 dev_priv->gpu_error.stop_rings = val;
1744 mutex_unlock(&dev->struct_mutex);
1749 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops,
1750 i915_ring_stop_get, i915_ring_stop_set,
1753 #define DROP_UNBOUND 0x1
1754 #define DROP_BOUND 0x2
1755 #define DROP_RETIRE 0x4
1756 #define DROP_ACTIVE 0x8
1757 #define DROP_ALL (DROP_UNBOUND | \
1762 i915_drop_caches_get(void *data, u64 *val)
1770 i915_drop_caches_set(void *data, u64 val)
1772 struct drm_device *dev = data;
1773 struct drm_i915_private *dev_priv = dev->dev_private;
1774 struct drm_i915_gem_object *obj, *next;
1777 DRM_DEBUG_DRIVER("Dropping caches: 0x%08llx\n", val);
1779 /* No need to check and wait for gpu resets, only libdrm auto-restarts
1780 * on ioctls on -EAGAIN. */
1781 ret = mutex_lock_interruptible(&dev->struct_mutex);
1785 if (val & DROP_ACTIVE) {
1786 ret = i915_gpu_idle(dev);
1791 if (val & (DROP_RETIRE | DROP_ACTIVE))
1792 i915_gem_retire_requests(dev);
1794 if (val & DROP_BOUND) {
1795 list_for_each_entry_safe(obj, next, &dev_priv->mm.inactive_list, mm_list)
1796 if (obj->pin_count == 0) {
1797 ret = i915_gem_object_unbind(obj);
1803 if (val & DROP_UNBOUND) {
1804 list_for_each_entry_safe(obj, next, &dev_priv->mm.unbound_list, gtt_list)
1805 if (obj->pages_pin_count == 0) {
1806 ret = i915_gem_object_put_pages(obj);
1813 mutex_unlock(&dev->struct_mutex);
1818 DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops,
1819 i915_drop_caches_get, i915_drop_caches_set,
1823 i915_max_freq_get(void *data, u64 *val)
1825 struct drm_device *dev = data;
1826 drm_i915_private_t *dev_priv = dev->dev_private;
1829 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
1832 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
1836 if (IS_VALLEYVIEW(dev))
1837 *val = vlv_gpu_freq(dev_priv->mem_freq,
1838 dev_priv->rps.max_delay);
1840 *val = dev_priv->rps.max_delay * GT_FREQUENCY_MULTIPLIER;
1841 mutex_unlock(&dev_priv->rps.hw_lock);
1847 i915_max_freq_set(void *data, u64 val)
1849 struct drm_device *dev = data;
1850 struct drm_i915_private *dev_priv = dev->dev_private;
1853 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
1856 DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val);
1858 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
1863 * Turbo will still be enabled, but won't go above the set value.
1865 if (IS_VALLEYVIEW(dev)) {
1866 val = vlv_freq_opcode(dev_priv->mem_freq, val);
1867 dev_priv->rps.max_delay = val;
1868 gen6_set_rps(dev, val);
1870 do_div(val, GT_FREQUENCY_MULTIPLIER);
1871 dev_priv->rps.max_delay = val;
1872 gen6_set_rps(dev, val);
1875 mutex_unlock(&dev_priv->rps.hw_lock);
1880 DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops,
1881 i915_max_freq_get, i915_max_freq_set,
1885 i915_min_freq_get(void *data, u64 *val)
1887 struct drm_device *dev = data;
1888 drm_i915_private_t *dev_priv = dev->dev_private;
1891 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
1894 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
1898 if (IS_VALLEYVIEW(dev))
1899 *val = vlv_gpu_freq(dev_priv->mem_freq,
1900 dev_priv->rps.min_delay);
1902 *val = dev_priv->rps.min_delay * GT_FREQUENCY_MULTIPLIER;
1903 mutex_unlock(&dev_priv->rps.hw_lock);
1909 i915_min_freq_set(void *data, u64 val)
1911 struct drm_device *dev = data;
1912 struct drm_i915_private *dev_priv = dev->dev_private;
1915 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
1918 DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val);
1920 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
1925 * Turbo will still be enabled, but won't go below the set value.
1927 if (IS_VALLEYVIEW(dev)) {
1928 val = vlv_freq_opcode(dev_priv->mem_freq, val);
1929 dev_priv->rps.min_delay = val;
1930 valleyview_set_rps(dev, val);
1932 do_div(val, GT_FREQUENCY_MULTIPLIER);
1933 dev_priv->rps.min_delay = val;
1934 gen6_set_rps(dev, val);
1936 mutex_unlock(&dev_priv->rps.hw_lock);
1941 DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops,
1942 i915_min_freq_get, i915_min_freq_set,
1946 i915_cache_sharing_get(void *data, u64 *val)
1948 struct drm_device *dev = data;
1949 drm_i915_private_t *dev_priv = dev->dev_private;
1953 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
1956 ret = mutex_lock_interruptible(&dev->struct_mutex);
1960 snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
1961 mutex_unlock(&dev_priv->dev->struct_mutex);
1963 *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT;
1969 i915_cache_sharing_set(void *data, u64 val)
1971 struct drm_device *dev = data;
1972 struct drm_i915_private *dev_priv = dev->dev_private;
1975 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
1981 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val);
1983 /* Update the cache sharing policy here as well */
1984 snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
1985 snpcr &= ~GEN6_MBC_SNPCR_MASK;
1986 snpcr |= (val << GEN6_MBC_SNPCR_SHIFT);
1987 I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr);
1992 DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops,
1993 i915_cache_sharing_get, i915_cache_sharing_set,
1996 /* As the drm_debugfs_init() routines are called before dev->dev_private is
1997 * allocated we need to hook into the minor for release. */
1999 drm_add_fake_info_node(struct drm_minor *minor,
2003 struct drm_info_node *node;
2005 node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
2007 debugfs_remove(ent);
2011 node->minor = minor;
2013 node->info_ent = (void *) key;
2015 mutex_lock(&minor->debugfs_lock);
2016 list_add(&node->list, &minor->debugfs_list);
2017 mutex_unlock(&minor->debugfs_lock);
2022 static int i915_forcewake_open(struct inode *inode, struct file *file)
2024 struct drm_device *dev = inode->i_private;
2025 struct drm_i915_private *dev_priv = dev->dev_private;
2027 if (INTEL_INFO(dev)->gen < 6)
2030 gen6_gt_force_wake_get(dev_priv);
2035 static int i915_forcewake_release(struct inode *inode, struct file *file)
2037 struct drm_device *dev = inode->i_private;
2038 struct drm_i915_private *dev_priv = dev->dev_private;
2040 if (INTEL_INFO(dev)->gen < 6)
2043 gen6_gt_force_wake_put(dev_priv);
2048 static const struct file_operations i915_forcewake_fops = {
2049 .owner = THIS_MODULE,
2050 .open = i915_forcewake_open,
2051 .release = i915_forcewake_release,
2054 static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
2056 struct drm_device *dev = minor->dev;
2059 ent = debugfs_create_file("i915_forcewake_user",
2062 &i915_forcewake_fops);
2064 return PTR_ERR(ent);
2066 return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
2069 static int i915_debugfs_create(struct dentry *root,
2070 struct drm_minor *minor,
2072 const struct file_operations *fops)
2074 struct drm_device *dev = minor->dev;
2077 ent = debugfs_create_file(name,
2082 return PTR_ERR(ent);
2084 return drm_add_fake_info_node(minor, ent, fops);
2087 static struct drm_info_list i915_debugfs_list[] = {
2088 {"i915_capabilities", i915_capabilities, 0},
2089 {"i915_gem_objects", i915_gem_object_info, 0},
2090 {"i915_gem_gtt", i915_gem_gtt_info, 0},
2091 {"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST},
2092 {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
2093 {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
2094 {"i915_gem_pageflip", i915_gem_pageflip_info, 0},
2095 {"i915_gem_request", i915_gem_request_info, 0},
2096 {"i915_gem_seqno", i915_gem_seqno_info, 0},
2097 {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
2098 {"i915_gem_interrupt", i915_interrupt_info, 0},
2099 {"i915_gem_hws", i915_hws_info, 0, (void *)RCS},
2100 {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS},
2101 {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},
2102 {"i915_rstdby_delays", i915_rstdby_delays, 0},
2103 {"i915_cur_delayinfo", i915_cur_delayinfo, 0},
2104 {"i915_delayfreq_table", i915_delayfreq_table, 0},
2105 {"i915_inttoext_table", i915_inttoext_table, 0},
2106 {"i915_drpc_info", i915_drpc_info, 0},
2107 {"i915_emon_status", i915_emon_status, 0},
2108 {"i915_ring_freq_table", i915_ring_freq_table, 0},
2109 {"i915_gfxec", i915_gfxec, 0},
2110 {"i915_fbc_status", i915_fbc_status, 0},
2111 {"i915_sr_status", i915_sr_status, 0},
2112 {"i915_opregion", i915_opregion, 0},
2113 {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
2114 {"i915_context_status", i915_context_status, 0},
2115 {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0},
2116 {"i915_swizzle_info", i915_swizzle_info, 0},
2117 {"i915_ppgtt_info", i915_ppgtt_info, 0},
2118 {"i915_dpio", i915_dpio_info, 0},
2120 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
2122 int i915_debugfs_init(struct drm_minor *minor)
2126 ret = i915_debugfs_create(minor->debugfs_root, minor,
2132 ret = i915_forcewake_create(minor->debugfs_root, minor);
2136 ret = i915_debugfs_create(minor->debugfs_root, minor,
2138 &i915_max_freq_fops);
2142 ret = i915_debugfs_create(minor->debugfs_root, minor,
2144 &i915_min_freq_fops);
2148 ret = i915_debugfs_create(minor->debugfs_root, minor,
2149 "i915_cache_sharing",
2150 &i915_cache_sharing_fops);
2154 ret = i915_debugfs_create(minor->debugfs_root, minor,
2156 &i915_ring_stop_fops);
2160 ret = i915_debugfs_create(minor->debugfs_root, minor,
2161 "i915_gem_drop_caches",
2162 &i915_drop_caches_fops);
2166 ret = i915_debugfs_create(minor->debugfs_root, minor,
2168 &i915_error_state_fops);
2172 ret = i915_debugfs_create(minor->debugfs_root, minor,
2174 &i915_next_seqno_fops);
2178 return drm_debugfs_create_files(i915_debugfs_list,
2179 I915_DEBUGFS_ENTRIES,
2180 minor->debugfs_root, minor);
2183 void i915_debugfs_cleanup(struct drm_minor *minor)
2185 drm_debugfs_remove_files(i915_debugfs_list,
2186 I915_DEBUGFS_ENTRIES, minor);
2187 drm_debugfs_remove_files((struct drm_info_list *) &i915_forcewake_fops,
2189 drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops,
2191 drm_debugfs_remove_files((struct drm_info_list *) &i915_max_freq_fops,
2193 drm_debugfs_remove_files((struct drm_info_list *) &i915_min_freq_fops,
2195 drm_debugfs_remove_files((struct drm_info_list *) &i915_cache_sharing_fops,
2197 drm_debugfs_remove_files((struct drm_info_list *) &i915_drop_caches_fops,
2199 drm_debugfs_remove_files((struct drm_info_list *) &i915_ring_stop_fops,
2201 drm_debugfs_remove_files((struct drm_info_list *) &i915_error_state_fops,
2203 drm_debugfs_remove_files((struct drm_info_list *) &i915_next_seqno_fops,
2207 #endif /* CONFIG_DEBUG_FS */