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/debugfs.h>
30 #include <linux/sort.h>
31 #include <linux/sched/mm.h>
32 #include "intel_drv.h"
33 #include "intel_guc_submission.h"
35 static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
37 return to_i915(node->minor->dev);
40 static int i915_capabilities(struct seq_file *m, void *data)
42 struct drm_i915_private *dev_priv = node_to_i915(m->private);
43 const struct intel_device_info *info = INTEL_INFO(dev_priv);
44 struct drm_printer p = drm_seq_file_printer(m);
46 seq_printf(m, "gen: %d\n", INTEL_GEN(dev_priv));
47 seq_printf(m, "platform: %s\n", intel_platform_name(info->platform));
48 seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev_priv));
50 intel_device_info_dump_flags(info, &p);
51 intel_device_info_dump_runtime(info, &p);
52 intel_driver_caps_print(&dev_priv->caps, &p);
54 kernel_param_lock(THIS_MODULE);
55 i915_params_dump(&i915_modparams, &p);
56 kernel_param_unlock(THIS_MODULE);
61 static char get_active_flag(struct drm_i915_gem_object *obj)
63 return i915_gem_object_is_active(obj) ? '*' : ' ';
66 static char get_pin_flag(struct drm_i915_gem_object *obj)
68 return obj->pin_global ? 'p' : ' ';
71 static char get_tiling_flag(struct drm_i915_gem_object *obj)
73 switch (i915_gem_object_get_tiling(obj)) {
75 case I915_TILING_NONE: return ' ';
76 case I915_TILING_X: return 'X';
77 case I915_TILING_Y: return 'Y';
81 static char get_global_flag(struct drm_i915_gem_object *obj)
83 return obj->userfault_count ? 'g' : ' ';
86 static char get_pin_mapped_flag(struct drm_i915_gem_object *obj)
88 return obj->mm.mapping ? 'M' : ' ';
91 static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj)
96 for_each_ggtt_vma(vma, obj) {
97 if (drm_mm_node_allocated(&vma->node))
98 size += vma->node.size;
105 stringify_page_sizes(unsigned int page_sizes, char *buf, size_t len)
109 switch (page_sizes) {
112 case I915_GTT_PAGE_SIZE_4K:
114 case I915_GTT_PAGE_SIZE_64K:
116 case I915_GTT_PAGE_SIZE_2M:
122 if (page_sizes & I915_GTT_PAGE_SIZE_2M)
123 x += snprintf(buf + x, len - x, "2M, ");
124 if (page_sizes & I915_GTT_PAGE_SIZE_64K)
125 x += snprintf(buf + x, len - x, "64K, ");
126 if (page_sizes & I915_GTT_PAGE_SIZE_4K)
127 x += snprintf(buf + x, len - x, "4K, ");
135 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
137 struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
138 struct intel_engine_cs *engine;
139 struct i915_vma *vma;
140 unsigned int frontbuffer_bits;
143 lockdep_assert_held(&obj->base.dev->struct_mutex);
145 seq_printf(m, "%pK: %c%c%c%c%c %8zdKiB %02x %02x %s%s%s",
147 get_active_flag(obj),
149 get_tiling_flag(obj),
150 get_global_flag(obj),
151 get_pin_mapped_flag(obj),
152 obj->base.size / 1024,
155 i915_cache_level_str(dev_priv, obj->cache_level),
156 obj->mm.dirty ? " dirty" : "",
157 obj->mm.madv == I915_MADV_DONTNEED ? " purgeable" : "");
159 seq_printf(m, " (name: %d)", obj->base.name);
160 list_for_each_entry(vma, &obj->vma_list, obj_link) {
161 if (i915_vma_is_pinned(vma))
164 seq_printf(m, " (pinned x %d)", pin_count);
166 seq_printf(m, " (global)");
167 list_for_each_entry(vma, &obj->vma_list, obj_link) {
168 if (!drm_mm_node_allocated(&vma->node))
171 seq_printf(m, " (%sgtt offset: %08llx, size: %08llx, pages: %s",
172 i915_vma_is_ggtt(vma) ? "g" : "pp",
173 vma->node.start, vma->node.size,
174 stringify_page_sizes(vma->page_sizes.gtt, NULL, 0));
175 if (i915_vma_is_ggtt(vma)) {
176 switch (vma->ggtt_view.type) {
177 case I915_GGTT_VIEW_NORMAL:
178 seq_puts(m, ", normal");
181 case I915_GGTT_VIEW_PARTIAL:
182 seq_printf(m, ", partial [%08llx+%x]",
183 vma->ggtt_view.partial.offset << PAGE_SHIFT,
184 vma->ggtt_view.partial.size << PAGE_SHIFT);
187 case I915_GGTT_VIEW_ROTATED:
188 seq_printf(m, ", rotated [(%ux%u, stride=%u, offset=%u), (%ux%u, stride=%u, offset=%u)]",
189 vma->ggtt_view.rotated.plane[0].width,
190 vma->ggtt_view.rotated.plane[0].height,
191 vma->ggtt_view.rotated.plane[0].stride,
192 vma->ggtt_view.rotated.plane[0].offset,
193 vma->ggtt_view.rotated.plane[1].width,
194 vma->ggtt_view.rotated.plane[1].height,
195 vma->ggtt_view.rotated.plane[1].stride,
196 vma->ggtt_view.rotated.plane[1].offset);
200 MISSING_CASE(vma->ggtt_view.type);
205 seq_printf(m, " , fence: %d%s",
207 i915_gem_active_isset(&vma->last_fence) ? "*" : "");
211 seq_printf(m, " (stolen: %08llx)", obj->stolen->start);
213 engine = i915_gem_object_last_write_engine(obj);
215 seq_printf(m, " (%s)", engine->name);
217 frontbuffer_bits = atomic_read(&obj->frontbuffer_bits);
218 if (frontbuffer_bits)
219 seq_printf(m, " (frontbuffer: 0x%03x)", frontbuffer_bits);
222 static int obj_rank_by_stolen(const void *A, const void *B)
224 const struct drm_i915_gem_object *a =
225 *(const struct drm_i915_gem_object **)A;
226 const struct drm_i915_gem_object *b =
227 *(const struct drm_i915_gem_object **)B;
229 if (a->stolen->start < b->stolen->start)
231 if (a->stolen->start > b->stolen->start)
236 static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
238 struct drm_i915_private *dev_priv = node_to_i915(m->private);
239 struct drm_device *dev = &dev_priv->drm;
240 struct drm_i915_gem_object **objects;
241 struct drm_i915_gem_object *obj;
242 u64 total_obj_size, total_gtt_size;
243 unsigned long total, count, n;
246 total = READ_ONCE(dev_priv->mm.object_count);
247 objects = kvmalloc_array(total, sizeof(*objects), GFP_KERNEL);
251 ret = mutex_lock_interruptible(&dev->struct_mutex);
255 total_obj_size = total_gtt_size = count = 0;
257 spin_lock(&dev_priv->mm.obj_lock);
258 list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) {
262 if (obj->stolen == NULL)
265 objects[count++] = obj;
266 total_obj_size += obj->base.size;
267 total_gtt_size += i915_gem_obj_total_ggtt_size(obj);
270 list_for_each_entry(obj, &dev_priv->mm.unbound_list, mm.link) {
274 if (obj->stolen == NULL)
277 objects[count++] = obj;
278 total_obj_size += obj->base.size;
280 spin_unlock(&dev_priv->mm.obj_lock);
282 sort(objects, count, sizeof(*objects), obj_rank_by_stolen, NULL);
284 seq_puts(m, "Stolen:\n");
285 for (n = 0; n < count; n++) {
287 describe_obj(m, objects[n]);
290 seq_printf(m, "Total %lu objects, %llu bytes, %llu GTT size\n",
291 count, total_obj_size, total_gtt_size);
293 mutex_unlock(&dev->struct_mutex);
300 struct drm_i915_file_private *file_priv;
304 u64 active, inactive;
307 static int per_file_stats(int id, void *ptr, void *data)
309 struct drm_i915_gem_object *obj = ptr;
310 struct file_stats *stats = data;
311 struct i915_vma *vma;
313 lockdep_assert_held(&obj->base.dev->struct_mutex);
316 stats->total += obj->base.size;
317 if (!obj->bind_count)
318 stats->unbound += obj->base.size;
319 if (obj->base.name || obj->base.dma_buf)
320 stats->shared += obj->base.size;
322 list_for_each_entry(vma, &obj->vma_list, obj_link) {
323 if (!drm_mm_node_allocated(&vma->node))
326 if (i915_vma_is_ggtt(vma)) {
327 stats->global += vma->node.size;
329 struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vma->vm);
331 if (ppgtt->vm.file != stats->file_priv)
335 if (i915_vma_is_active(vma))
336 stats->active += vma->node.size;
338 stats->inactive += vma->node.size;
344 #define print_file_stats(m, name, stats) do { \
346 seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \
357 static void print_batch_pool_stats(struct seq_file *m,
358 struct drm_i915_private *dev_priv)
360 struct drm_i915_gem_object *obj;
361 struct file_stats stats;
362 struct intel_engine_cs *engine;
363 enum intel_engine_id id;
366 memset(&stats, 0, sizeof(stats));
368 for_each_engine(engine, dev_priv, id) {
369 for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) {
370 list_for_each_entry(obj,
371 &engine->batch_pool.cache_list[j],
373 per_file_stats(0, obj, &stats);
377 print_file_stats(m, "[k]batch pool", stats);
380 static int per_file_ctx_stats(int idx, void *ptr, void *data)
382 struct i915_gem_context *ctx = ptr;
383 struct intel_engine_cs *engine;
384 enum intel_engine_id id;
386 for_each_engine(engine, ctx->i915, id) {
387 struct intel_context *ce = to_intel_context(ctx, engine);
390 per_file_stats(0, ce->state->obj, data);
392 per_file_stats(0, ce->ring->vma->obj, data);
398 static void print_context_stats(struct seq_file *m,
399 struct drm_i915_private *dev_priv)
401 struct drm_device *dev = &dev_priv->drm;
402 struct file_stats stats;
403 struct drm_file *file;
405 memset(&stats, 0, sizeof(stats));
407 mutex_lock(&dev->struct_mutex);
408 if (dev_priv->kernel_context)
409 per_file_ctx_stats(0, dev_priv->kernel_context, &stats);
411 list_for_each_entry(file, &dev->filelist, lhead) {
412 struct drm_i915_file_private *fpriv = file->driver_priv;
413 idr_for_each(&fpriv->context_idr, per_file_ctx_stats, &stats);
415 mutex_unlock(&dev->struct_mutex);
417 print_file_stats(m, "[k]contexts", stats);
420 static int i915_gem_object_info(struct seq_file *m, void *data)
422 struct drm_i915_private *dev_priv = node_to_i915(m->private);
423 struct drm_device *dev = &dev_priv->drm;
424 struct i915_ggtt *ggtt = &dev_priv->ggtt;
425 u32 count, mapped_count, purgeable_count, dpy_count, huge_count;
426 u64 size, mapped_size, purgeable_size, dpy_size, huge_size;
427 struct drm_i915_gem_object *obj;
428 unsigned int page_sizes = 0;
429 struct drm_file *file;
433 ret = mutex_lock_interruptible(&dev->struct_mutex);
437 seq_printf(m, "%u objects, %llu bytes\n",
438 dev_priv->mm.object_count,
439 dev_priv->mm.object_memory);
442 mapped_size = mapped_count = 0;
443 purgeable_size = purgeable_count = 0;
444 huge_size = huge_count = 0;
446 spin_lock(&dev_priv->mm.obj_lock);
447 list_for_each_entry(obj, &dev_priv->mm.unbound_list, mm.link) {
448 size += obj->base.size;
451 if (obj->mm.madv == I915_MADV_DONTNEED) {
452 purgeable_size += obj->base.size;
456 if (obj->mm.mapping) {
458 mapped_size += obj->base.size;
461 if (obj->mm.page_sizes.sg > I915_GTT_PAGE_SIZE) {
463 huge_size += obj->base.size;
464 page_sizes |= obj->mm.page_sizes.sg;
467 seq_printf(m, "%u unbound objects, %llu bytes\n", count, size);
469 size = count = dpy_size = dpy_count = 0;
470 list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) {
471 size += obj->base.size;
474 if (obj->pin_global) {
475 dpy_size += obj->base.size;
479 if (obj->mm.madv == I915_MADV_DONTNEED) {
480 purgeable_size += obj->base.size;
484 if (obj->mm.mapping) {
486 mapped_size += obj->base.size;
489 if (obj->mm.page_sizes.sg > I915_GTT_PAGE_SIZE) {
491 huge_size += obj->base.size;
492 page_sizes |= obj->mm.page_sizes.sg;
495 spin_unlock(&dev_priv->mm.obj_lock);
497 seq_printf(m, "%u bound objects, %llu bytes\n",
499 seq_printf(m, "%u purgeable objects, %llu bytes\n",
500 purgeable_count, purgeable_size);
501 seq_printf(m, "%u mapped objects, %llu bytes\n",
502 mapped_count, mapped_size);
503 seq_printf(m, "%u huge-paged objects (%s) %llu bytes\n",
505 stringify_page_sizes(page_sizes, buf, sizeof(buf)),
507 seq_printf(m, "%u display objects (globally pinned), %llu bytes\n",
508 dpy_count, dpy_size);
510 seq_printf(m, "%llu [%pa] gtt total\n",
511 ggtt->vm.total, &ggtt->mappable_end);
512 seq_printf(m, "Supported page sizes: %s\n",
513 stringify_page_sizes(INTEL_INFO(dev_priv)->page_sizes,
517 print_batch_pool_stats(m, dev_priv);
518 mutex_unlock(&dev->struct_mutex);
520 mutex_lock(&dev->filelist_mutex);
521 print_context_stats(m, dev_priv);
522 list_for_each_entry_reverse(file, &dev->filelist, lhead) {
523 struct file_stats stats;
524 struct drm_i915_file_private *file_priv = file->driver_priv;
525 struct i915_request *request;
526 struct task_struct *task;
528 mutex_lock(&dev->struct_mutex);
530 memset(&stats, 0, sizeof(stats));
531 stats.file_priv = file->driver_priv;
532 spin_lock(&file->table_lock);
533 idr_for_each(&file->object_idr, per_file_stats, &stats);
534 spin_unlock(&file->table_lock);
536 * Although we have a valid reference on file->pid, that does
537 * not guarantee that the task_struct who called get_pid() is
538 * still alive (e.g. get_pid(current) => fork() => exit()).
539 * Therefore, we need to protect this ->comm access using RCU.
541 request = list_first_entry_or_null(&file_priv->mm.request_list,
545 task = pid_task(request && request->gem_context->pid ?
546 request->gem_context->pid : file->pid,
548 print_file_stats(m, task ? task->comm : "<unknown>", stats);
551 mutex_unlock(&dev->struct_mutex);
553 mutex_unlock(&dev->filelist_mutex);
558 static int i915_gem_gtt_info(struct seq_file *m, void *data)
560 struct drm_info_node *node = m->private;
561 struct drm_i915_private *dev_priv = node_to_i915(node);
562 struct drm_device *dev = &dev_priv->drm;
563 struct drm_i915_gem_object **objects;
564 struct drm_i915_gem_object *obj;
565 u64 total_obj_size, total_gtt_size;
566 unsigned long nobject, n;
569 nobject = READ_ONCE(dev_priv->mm.object_count);
570 objects = kvmalloc_array(nobject, sizeof(*objects), GFP_KERNEL);
574 ret = mutex_lock_interruptible(&dev->struct_mutex);
579 spin_lock(&dev_priv->mm.obj_lock);
580 list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) {
581 objects[count++] = obj;
582 if (count == nobject)
585 spin_unlock(&dev_priv->mm.obj_lock);
587 total_obj_size = total_gtt_size = 0;
588 for (n = 0; n < count; n++) {
592 describe_obj(m, obj);
594 total_obj_size += obj->base.size;
595 total_gtt_size += i915_gem_obj_total_ggtt_size(obj);
598 mutex_unlock(&dev->struct_mutex);
600 seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n",
601 count, total_obj_size, total_gtt_size);
607 static int i915_gem_batch_pool_info(struct seq_file *m, void *data)
609 struct drm_i915_private *dev_priv = node_to_i915(m->private);
610 struct drm_device *dev = &dev_priv->drm;
611 struct drm_i915_gem_object *obj;
612 struct intel_engine_cs *engine;
613 enum intel_engine_id id;
617 ret = mutex_lock_interruptible(&dev->struct_mutex);
621 for_each_engine(engine, dev_priv, id) {
622 for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) {
626 list_for_each_entry(obj,
627 &engine->batch_pool.cache_list[j],
630 seq_printf(m, "%s cache[%d]: %d objects\n",
631 engine->name, j, count);
633 list_for_each_entry(obj,
634 &engine->batch_pool.cache_list[j],
637 describe_obj(m, obj);
645 seq_printf(m, "total: %d\n", total);
647 mutex_unlock(&dev->struct_mutex);
652 static void gen8_display_interrupt_info(struct seq_file *m)
654 struct drm_i915_private *dev_priv = node_to_i915(m->private);
657 for_each_pipe(dev_priv, pipe) {
658 enum intel_display_power_domain power_domain;
660 power_domain = POWER_DOMAIN_PIPE(pipe);
661 if (!intel_display_power_get_if_enabled(dev_priv,
663 seq_printf(m, "Pipe %c power disabled\n",
667 seq_printf(m, "Pipe %c IMR:\t%08x\n",
669 I915_READ(GEN8_DE_PIPE_IMR(pipe)));
670 seq_printf(m, "Pipe %c IIR:\t%08x\n",
672 I915_READ(GEN8_DE_PIPE_IIR(pipe)));
673 seq_printf(m, "Pipe %c IER:\t%08x\n",
675 I915_READ(GEN8_DE_PIPE_IER(pipe)));
677 intel_display_power_put(dev_priv, power_domain);
680 seq_printf(m, "Display Engine port interrupt mask:\t%08x\n",
681 I915_READ(GEN8_DE_PORT_IMR));
682 seq_printf(m, "Display Engine port interrupt identity:\t%08x\n",
683 I915_READ(GEN8_DE_PORT_IIR));
684 seq_printf(m, "Display Engine port interrupt enable:\t%08x\n",
685 I915_READ(GEN8_DE_PORT_IER));
687 seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n",
688 I915_READ(GEN8_DE_MISC_IMR));
689 seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n",
690 I915_READ(GEN8_DE_MISC_IIR));
691 seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n",
692 I915_READ(GEN8_DE_MISC_IER));
694 seq_printf(m, "PCU interrupt mask:\t%08x\n",
695 I915_READ(GEN8_PCU_IMR));
696 seq_printf(m, "PCU interrupt identity:\t%08x\n",
697 I915_READ(GEN8_PCU_IIR));
698 seq_printf(m, "PCU interrupt enable:\t%08x\n",
699 I915_READ(GEN8_PCU_IER));
702 static int i915_interrupt_info(struct seq_file *m, void *data)
704 struct drm_i915_private *dev_priv = node_to_i915(m->private);
705 struct intel_engine_cs *engine;
706 enum intel_engine_id id;
709 intel_runtime_pm_get(dev_priv);
711 if (IS_CHERRYVIEW(dev_priv)) {
712 seq_printf(m, "Master Interrupt Control:\t%08x\n",
713 I915_READ(GEN8_MASTER_IRQ));
715 seq_printf(m, "Display IER:\t%08x\n",
717 seq_printf(m, "Display IIR:\t%08x\n",
719 seq_printf(m, "Display IIR_RW:\t%08x\n",
720 I915_READ(VLV_IIR_RW));
721 seq_printf(m, "Display IMR:\t%08x\n",
723 for_each_pipe(dev_priv, pipe) {
724 enum intel_display_power_domain power_domain;
726 power_domain = POWER_DOMAIN_PIPE(pipe);
727 if (!intel_display_power_get_if_enabled(dev_priv,
729 seq_printf(m, "Pipe %c power disabled\n",
734 seq_printf(m, "Pipe %c stat:\t%08x\n",
736 I915_READ(PIPESTAT(pipe)));
738 intel_display_power_put(dev_priv, power_domain);
741 intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
742 seq_printf(m, "Port hotplug:\t%08x\n",
743 I915_READ(PORT_HOTPLUG_EN));
744 seq_printf(m, "DPFLIPSTAT:\t%08x\n",
745 I915_READ(VLV_DPFLIPSTAT));
746 seq_printf(m, "DPINVGTT:\t%08x\n",
747 I915_READ(DPINVGTT));
748 intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
750 for (i = 0; i < 4; i++) {
751 seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
752 i, I915_READ(GEN8_GT_IMR(i)));
753 seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
754 i, I915_READ(GEN8_GT_IIR(i)));
755 seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
756 i, I915_READ(GEN8_GT_IER(i)));
759 seq_printf(m, "PCU interrupt mask:\t%08x\n",
760 I915_READ(GEN8_PCU_IMR));
761 seq_printf(m, "PCU interrupt identity:\t%08x\n",
762 I915_READ(GEN8_PCU_IIR));
763 seq_printf(m, "PCU interrupt enable:\t%08x\n",
764 I915_READ(GEN8_PCU_IER));
765 } else if (INTEL_GEN(dev_priv) >= 11) {
766 seq_printf(m, "Master Interrupt Control: %08x\n",
767 I915_READ(GEN11_GFX_MSTR_IRQ));
769 seq_printf(m, "Render/Copy Intr Enable: %08x\n",
770 I915_READ(GEN11_RENDER_COPY_INTR_ENABLE));
771 seq_printf(m, "VCS/VECS Intr Enable: %08x\n",
772 I915_READ(GEN11_VCS_VECS_INTR_ENABLE));
773 seq_printf(m, "GUC/SG Intr Enable:\t %08x\n",
774 I915_READ(GEN11_GUC_SG_INTR_ENABLE));
775 seq_printf(m, "GPM/WGBOXPERF Intr Enable: %08x\n",
776 I915_READ(GEN11_GPM_WGBOXPERF_INTR_ENABLE));
777 seq_printf(m, "Crypto Intr Enable:\t %08x\n",
778 I915_READ(GEN11_CRYPTO_RSVD_INTR_ENABLE));
779 seq_printf(m, "GUnit/CSME Intr Enable:\t %08x\n",
780 I915_READ(GEN11_GUNIT_CSME_INTR_ENABLE));
782 seq_printf(m, "Display Interrupt Control:\t%08x\n",
783 I915_READ(GEN11_DISPLAY_INT_CTL));
785 gen8_display_interrupt_info(m);
786 } else if (INTEL_GEN(dev_priv) >= 8) {
787 seq_printf(m, "Master Interrupt Control:\t%08x\n",
788 I915_READ(GEN8_MASTER_IRQ));
790 for (i = 0; i < 4; i++) {
791 seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
792 i, I915_READ(GEN8_GT_IMR(i)));
793 seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
794 i, I915_READ(GEN8_GT_IIR(i)));
795 seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
796 i, I915_READ(GEN8_GT_IER(i)));
799 gen8_display_interrupt_info(m);
800 } else if (IS_VALLEYVIEW(dev_priv)) {
801 seq_printf(m, "Display IER:\t%08x\n",
803 seq_printf(m, "Display IIR:\t%08x\n",
805 seq_printf(m, "Display IIR_RW:\t%08x\n",
806 I915_READ(VLV_IIR_RW));
807 seq_printf(m, "Display IMR:\t%08x\n",
809 for_each_pipe(dev_priv, pipe) {
810 enum intel_display_power_domain power_domain;
812 power_domain = POWER_DOMAIN_PIPE(pipe);
813 if (!intel_display_power_get_if_enabled(dev_priv,
815 seq_printf(m, "Pipe %c power disabled\n",
820 seq_printf(m, "Pipe %c stat:\t%08x\n",
822 I915_READ(PIPESTAT(pipe)));
823 intel_display_power_put(dev_priv, power_domain);
826 seq_printf(m, "Master IER:\t%08x\n",
827 I915_READ(VLV_MASTER_IER));
829 seq_printf(m, "Render IER:\t%08x\n",
831 seq_printf(m, "Render IIR:\t%08x\n",
833 seq_printf(m, "Render IMR:\t%08x\n",
836 seq_printf(m, "PM IER:\t\t%08x\n",
837 I915_READ(GEN6_PMIER));
838 seq_printf(m, "PM IIR:\t\t%08x\n",
839 I915_READ(GEN6_PMIIR));
840 seq_printf(m, "PM IMR:\t\t%08x\n",
841 I915_READ(GEN6_PMIMR));
843 seq_printf(m, "Port hotplug:\t%08x\n",
844 I915_READ(PORT_HOTPLUG_EN));
845 seq_printf(m, "DPFLIPSTAT:\t%08x\n",
846 I915_READ(VLV_DPFLIPSTAT));
847 seq_printf(m, "DPINVGTT:\t%08x\n",
848 I915_READ(DPINVGTT));
850 } else if (!HAS_PCH_SPLIT(dev_priv)) {
851 seq_printf(m, "Interrupt enable: %08x\n",
853 seq_printf(m, "Interrupt identity: %08x\n",
855 seq_printf(m, "Interrupt mask: %08x\n",
857 for_each_pipe(dev_priv, pipe)
858 seq_printf(m, "Pipe %c stat: %08x\n",
860 I915_READ(PIPESTAT(pipe)));
862 seq_printf(m, "North Display Interrupt enable: %08x\n",
864 seq_printf(m, "North Display Interrupt identity: %08x\n",
866 seq_printf(m, "North Display Interrupt mask: %08x\n",
868 seq_printf(m, "South Display Interrupt enable: %08x\n",
870 seq_printf(m, "South Display Interrupt identity: %08x\n",
872 seq_printf(m, "South Display Interrupt mask: %08x\n",
874 seq_printf(m, "Graphics Interrupt enable: %08x\n",
876 seq_printf(m, "Graphics Interrupt identity: %08x\n",
878 seq_printf(m, "Graphics Interrupt mask: %08x\n",
882 if (INTEL_GEN(dev_priv) >= 11) {
883 seq_printf(m, "RCS Intr Mask:\t %08x\n",
884 I915_READ(GEN11_RCS0_RSVD_INTR_MASK));
885 seq_printf(m, "BCS Intr Mask:\t %08x\n",
886 I915_READ(GEN11_BCS_RSVD_INTR_MASK));
887 seq_printf(m, "VCS0/VCS1 Intr Mask:\t %08x\n",
888 I915_READ(GEN11_VCS0_VCS1_INTR_MASK));
889 seq_printf(m, "VCS2/VCS3 Intr Mask:\t %08x\n",
890 I915_READ(GEN11_VCS2_VCS3_INTR_MASK));
891 seq_printf(m, "VECS0/VECS1 Intr Mask:\t %08x\n",
892 I915_READ(GEN11_VECS0_VECS1_INTR_MASK));
893 seq_printf(m, "GUC/SG Intr Mask:\t %08x\n",
894 I915_READ(GEN11_GUC_SG_INTR_MASK));
895 seq_printf(m, "GPM/WGBOXPERF Intr Mask: %08x\n",
896 I915_READ(GEN11_GPM_WGBOXPERF_INTR_MASK));
897 seq_printf(m, "Crypto Intr Mask:\t %08x\n",
898 I915_READ(GEN11_CRYPTO_RSVD_INTR_MASK));
899 seq_printf(m, "Gunit/CSME Intr Mask:\t %08x\n",
900 I915_READ(GEN11_GUNIT_CSME_INTR_MASK));
902 } else if (INTEL_GEN(dev_priv) >= 6) {
903 for_each_engine(engine, dev_priv, id) {
905 "Graphics Interrupt mask (%s): %08x\n",
906 engine->name, I915_READ_IMR(engine));
910 intel_runtime_pm_put(dev_priv);
915 static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
917 struct drm_i915_private *dev_priv = node_to_i915(m->private);
918 struct drm_device *dev = &dev_priv->drm;
921 ret = mutex_lock_interruptible(&dev->struct_mutex);
925 seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
926 for (i = 0; i < dev_priv->num_fence_regs; i++) {
927 struct i915_vma *vma = dev_priv->fence_regs[i].vma;
929 seq_printf(m, "Fence %d, pin count = %d, object = ",
930 i, dev_priv->fence_regs[i].pin_count);
932 seq_puts(m, "unused");
934 describe_obj(m, vma->obj);
938 mutex_unlock(&dev->struct_mutex);
942 #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
943 static ssize_t gpu_state_read(struct file *file, char __user *ubuf,
944 size_t count, loff_t *pos)
946 struct i915_gpu_state *error = file->private_data;
947 struct drm_i915_error_state_buf str;
954 ret = i915_error_state_buf_init(&str, error->i915, count, *pos);
958 ret = i915_error_state_to_str(&str, error);
963 ret = simple_read_from_buffer(ubuf, count, &tmp, str.buf, str.bytes);
967 *pos = str.start + ret;
969 i915_error_state_buf_release(&str);
973 static int gpu_state_release(struct inode *inode, struct file *file)
975 i915_gpu_state_put(file->private_data);
979 static int i915_gpu_info_open(struct inode *inode, struct file *file)
981 struct drm_i915_private *i915 = inode->i_private;
982 struct i915_gpu_state *gpu;
984 intel_runtime_pm_get(i915);
985 gpu = i915_capture_gpu_state(i915);
986 intel_runtime_pm_put(i915);
990 file->private_data = gpu;
994 static const struct file_operations i915_gpu_info_fops = {
995 .owner = THIS_MODULE,
996 .open = i915_gpu_info_open,
997 .read = gpu_state_read,
998 .llseek = default_llseek,
999 .release = gpu_state_release,
1003 i915_error_state_write(struct file *filp,
1004 const char __user *ubuf,
1008 struct i915_gpu_state *error = filp->private_data;
1013 DRM_DEBUG_DRIVER("Resetting error state\n");
1014 i915_reset_error_state(error->i915);
1019 static int i915_error_state_open(struct inode *inode, struct file *file)
1021 file->private_data = i915_first_error_state(inode->i_private);
1025 static const struct file_operations i915_error_state_fops = {
1026 .owner = THIS_MODULE,
1027 .open = i915_error_state_open,
1028 .read = gpu_state_read,
1029 .write = i915_error_state_write,
1030 .llseek = default_llseek,
1031 .release = gpu_state_release,
1036 i915_next_seqno_set(void *data, u64 val)
1038 struct drm_i915_private *dev_priv = data;
1039 struct drm_device *dev = &dev_priv->drm;
1042 ret = mutex_lock_interruptible(&dev->struct_mutex);
1046 intel_runtime_pm_get(dev_priv);
1047 ret = i915_gem_set_global_seqno(dev, val);
1048 intel_runtime_pm_put(dev_priv);
1050 mutex_unlock(&dev->struct_mutex);
1055 DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops,
1056 NULL, i915_next_seqno_set,
1059 static int i915_frequency_info(struct seq_file *m, void *unused)
1061 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1062 struct intel_rps *rps = &dev_priv->gt_pm.rps;
1065 intel_runtime_pm_get(dev_priv);
1067 if (IS_GEN5(dev_priv)) {
1068 u16 rgvswctl = I915_READ16(MEMSWCTL);
1069 u16 rgvstat = I915_READ16(MEMSTAT_ILK);
1071 seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf);
1072 seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f);
1073 seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
1075 seq_printf(m, "Current P-state: %d\n",
1076 (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
1077 } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
1078 u32 rpmodectl, freq_sts;
1080 mutex_lock(&dev_priv->pcu_lock);
1082 rpmodectl = I915_READ(GEN6_RP_CONTROL);
1083 seq_printf(m, "Video Turbo Mode: %s\n",
1084 yesno(rpmodectl & GEN6_RP_MEDIA_TURBO));
1085 seq_printf(m, "HW control enabled: %s\n",
1086 yesno(rpmodectl & GEN6_RP_ENABLE));
1087 seq_printf(m, "SW control enabled: %s\n",
1088 yesno((rpmodectl & GEN6_RP_MEDIA_MODE_MASK) ==
1089 GEN6_RP_MEDIA_SW_MODE));
1091 freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
1092 seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts);
1093 seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq);
1095 seq_printf(m, "actual GPU freq: %d MHz\n",
1096 intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff));
1098 seq_printf(m, "current GPU freq: %d MHz\n",
1099 intel_gpu_freq(dev_priv, rps->cur_freq));
1101 seq_printf(m, "max GPU freq: %d MHz\n",
1102 intel_gpu_freq(dev_priv, rps->max_freq));
1104 seq_printf(m, "min GPU freq: %d MHz\n",
1105 intel_gpu_freq(dev_priv, rps->min_freq));
1107 seq_printf(m, "idle GPU freq: %d MHz\n",
1108 intel_gpu_freq(dev_priv, rps->idle_freq));
1111 "efficient (RPe) frequency: %d MHz\n",
1112 intel_gpu_freq(dev_priv, rps->efficient_freq));
1113 mutex_unlock(&dev_priv->pcu_lock);
1114 } else if (INTEL_GEN(dev_priv) >= 6) {
1115 u32 rp_state_limits;
1118 u32 rpmodectl, rpinclimit, rpdeclimit;
1119 u32 rpstat, cagf, reqf;
1120 u32 rpupei, rpcurup, rpprevup;
1121 u32 rpdownei, rpcurdown, rpprevdown;
1122 u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask;
1125 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
1126 if (IS_GEN9_LP(dev_priv)) {
1127 rp_state_cap = I915_READ(BXT_RP_STATE_CAP);
1128 gt_perf_status = I915_READ(BXT_GT_PERF_STATUS);
1130 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
1131 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
1134 /* RPSTAT1 is in the GT power well */
1135 intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
1137 reqf = I915_READ(GEN6_RPNSWREQ);
1138 if (INTEL_GEN(dev_priv) >= 9)
1141 reqf &= ~GEN6_TURBO_DISABLE;
1142 if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
1147 reqf = intel_gpu_freq(dev_priv, reqf);
1149 rpmodectl = I915_READ(GEN6_RP_CONTROL);
1150 rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD);
1151 rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD);
1153 rpstat = I915_READ(GEN6_RPSTAT1);
1154 rpupei = I915_READ(GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK;
1155 rpcurup = I915_READ(GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK;
1156 rpprevup = I915_READ(GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK;
1157 rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK;
1158 rpcurdown = I915_READ(GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK;
1159 rpprevdown = I915_READ(GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK;
1160 cagf = intel_gpu_freq(dev_priv,
1161 intel_get_cagf(dev_priv, rpstat));
1163 intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
1165 if (INTEL_GEN(dev_priv) >= 11) {
1166 pm_ier = I915_READ(GEN11_GPM_WGBOXPERF_INTR_ENABLE);
1167 pm_imr = I915_READ(GEN11_GPM_WGBOXPERF_INTR_MASK);
1169 * The equivalent to the PM ISR & IIR cannot be read
1170 * without affecting the current state of the system
1174 } else if (INTEL_GEN(dev_priv) >= 8) {
1175 pm_ier = I915_READ(GEN8_GT_IER(2));
1176 pm_imr = I915_READ(GEN8_GT_IMR(2));
1177 pm_isr = I915_READ(GEN8_GT_ISR(2));
1178 pm_iir = I915_READ(GEN8_GT_IIR(2));
1180 pm_ier = I915_READ(GEN6_PMIER);
1181 pm_imr = I915_READ(GEN6_PMIMR);
1182 pm_isr = I915_READ(GEN6_PMISR);
1183 pm_iir = I915_READ(GEN6_PMIIR);
1185 pm_mask = I915_READ(GEN6_PMINTRMSK);
1187 seq_printf(m, "Video Turbo Mode: %s\n",
1188 yesno(rpmodectl & GEN6_RP_MEDIA_TURBO));
1189 seq_printf(m, "HW control enabled: %s\n",
1190 yesno(rpmodectl & GEN6_RP_ENABLE));
1191 seq_printf(m, "SW control enabled: %s\n",
1192 yesno((rpmodectl & GEN6_RP_MEDIA_MODE_MASK) ==
1193 GEN6_RP_MEDIA_SW_MODE));
1195 seq_printf(m, "PM IER=0x%08x IMR=0x%08x, MASK=0x%08x\n",
1196 pm_ier, pm_imr, pm_mask);
1197 if (INTEL_GEN(dev_priv) <= 10)
1198 seq_printf(m, "PM ISR=0x%08x IIR=0x%08x\n",
1200 seq_printf(m, "pm_intrmsk_mbz: 0x%08x\n",
1201 rps->pm_intrmsk_mbz);
1202 seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
1203 seq_printf(m, "Render p-state ratio: %d\n",
1204 (gt_perf_status & (INTEL_GEN(dev_priv) >= 9 ? 0x1ff00 : 0xff00)) >> 8);
1205 seq_printf(m, "Render p-state VID: %d\n",
1206 gt_perf_status & 0xff);
1207 seq_printf(m, "Render p-state limit: %d\n",
1208 rp_state_limits & 0xff);
1209 seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat);
1210 seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl);
1211 seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit);
1212 seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
1213 seq_printf(m, "RPNSWREQ: %dMHz\n", reqf);
1214 seq_printf(m, "CAGF: %dMHz\n", cagf);
1215 seq_printf(m, "RP CUR UP EI: %d (%dus)\n",
1216 rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei));
1217 seq_printf(m, "RP CUR UP: %d (%dus)\n",
1218 rpcurup, GT_PM_INTERVAL_TO_US(dev_priv, rpcurup));
1219 seq_printf(m, "RP PREV UP: %d (%dus)\n",
1220 rpprevup, GT_PM_INTERVAL_TO_US(dev_priv, rpprevup));
1221 seq_printf(m, "Up threshold: %d%%\n",
1222 rps->power.up_threshold);
1224 seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n",
1225 rpdownei, GT_PM_INTERVAL_TO_US(dev_priv, rpdownei));
1226 seq_printf(m, "RP CUR DOWN: %d (%dus)\n",
1227 rpcurdown, GT_PM_INTERVAL_TO_US(dev_priv, rpcurdown));
1228 seq_printf(m, "RP PREV DOWN: %d (%dus)\n",
1229 rpprevdown, GT_PM_INTERVAL_TO_US(dev_priv, rpprevdown));
1230 seq_printf(m, "Down threshold: %d%%\n",
1231 rps->power.down_threshold);
1233 max_freq = (IS_GEN9_LP(dev_priv) ? rp_state_cap >> 0 :
1234 rp_state_cap >> 16) & 0xff;
1235 max_freq *= (IS_GEN9_BC(dev_priv) ||
1236 INTEL_GEN(dev_priv) >= 10 ? GEN9_FREQ_SCALER : 1);
1237 seq_printf(m, "Lowest (RPN) frequency: %dMHz\n",
1238 intel_gpu_freq(dev_priv, max_freq));
1240 max_freq = (rp_state_cap & 0xff00) >> 8;
1241 max_freq *= (IS_GEN9_BC(dev_priv) ||
1242 INTEL_GEN(dev_priv) >= 10 ? GEN9_FREQ_SCALER : 1);
1243 seq_printf(m, "Nominal (RP1) frequency: %dMHz\n",
1244 intel_gpu_freq(dev_priv, max_freq));
1246 max_freq = (IS_GEN9_LP(dev_priv) ? rp_state_cap >> 16 :
1247 rp_state_cap >> 0) & 0xff;
1248 max_freq *= (IS_GEN9_BC(dev_priv) ||
1249 INTEL_GEN(dev_priv) >= 10 ? GEN9_FREQ_SCALER : 1);
1250 seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n",
1251 intel_gpu_freq(dev_priv, max_freq));
1252 seq_printf(m, "Max overclocked frequency: %dMHz\n",
1253 intel_gpu_freq(dev_priv, rps->max_freq));
1255 seq_printf(m, "Current freq: %d MHz\n",
1256 intel_gpu_freq(dev_priv, rps->cur_freq));
1257 seq_printf(m, "Actual freq: %d MHz\n", cagf);
1258 seq_printf(m, "Idle freq: %d MHz\n",
1259 intel_gpu_freq(dev_priv, rps->idle_freq));
1260 seq_printf(m, "Min freq: %d MHz\n",
1261 intel_gpu_freq(dev_priv, rps->min_freq));
1262 seq_printf(m, "Boost freq: %d MHz\n",
1263 intel_gpu_freq(dev_priv, rps->boost_freq));
1264 seq_printf(m, "Max freq: %d MHz\n",
1265 intel_gpu_freq(dev_priv, rps->max_freq));
1267 "efficient (RPe) frequency: %d MHz\n",
1268 intel_gpu_freq(dev_priv, rps->efficient_freq));
1270 seq_puts(m, "no P-state info available\n");
1273 seq_printf(m, "Current CD clock frequency: %d kHz\n", dev_priv->cdclk.hw.cdclk);
1274 seq_printf(m, "Max CD clock frequency: %d kHz\n", dev_priv->max_cdclk_freq);
1275 seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq);
1277 intel_runtime_pm_put(dev_priv);
1281 static void i915_instdone_info(struct drm_i915_private *dev_priv,
1283 struct intel_instdone *instdone)
1288 seq_printf(m, "\t\tINSTDONE: 0x%08x\n",
1289 instdone->instdone);
1291 if (INTEL_GEN(dev_priv) <= 3)
1294 seq_printf(m, "\t\tSC_INSTDONE: 0x%08x\n",
1295 instdone->slice_common);
1297 if (INTEL_GEN(dev_priv) <= 6)
1300 for_each_instdone_slice_subslice(dev_priv, slice, subslice)
1301 seq_printf(m, "\t\tSAMPLER_INSTDONE[%d][%d]: 0x%08x\n",
1302 slice, subslice, instdone->sampler[slice][subslice]);
1304 for_each_instdone_slice_subslice(dev_priv, slice, subslice)
1305 seq_printf(m, "\t\tROW_INSTDONE[%d][%d]: 0x%08x\n",
1306 slice, subslice, instdone->row[slice][subslice]);
1309 static int i915_hangcheck_info(struct seq_file *m, void *unused)
1311 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1312 struct intel_engine_cs *engine;
1313 u64 acthd[I915_NUM_ENGINES];
1314 u32 seqno[I915_NUM_ENGINES];
1315 struct intel_instdone instdone;
1316 enum intel_engine_id id;
1318 if (test_bit(I915_WEDGED, &dev_priv->gpu_error.flags))
1319 seq_puts(m, "Wedged\n");
1320 if (test_bit(I915_RESET_BACKOFF, &dev_priv->gpu_error.flags))
1321 seq_puts(m, "Reset in progress: struct_mutex backoff\n");
1322 if (test_bit(I915_RESET_HANDOFF, &dev_priv->gpu_error.flags))
1323 seq_puts(m, "Reset in progress: reset handoff to waiter\n");
1324 if (waitqueue_active(&dev_priv->gpu_error.wait_queue))
1325 seq_puts(m, "Waiter holding struct mutex\n");
1326 if (waitqueue_active(&dev_priv->gpu_error.reset_queue))
1327 seq_puts(m, "struct_mutex blocked for reset\n");
1329 if (!i915_modparams.enable_hangcheck) {
1330 seq_puts(m, "Hangcheck disabled\n");
1334 intel_runtime_pm_get(dev_priv);
1336 for_each_engine(engine, dev_priv, id) {
1337 acthd[id] = intel_engine_get_active_head(engine);
1338 seqno[id] = intel_engine_get_seqno(engine);
1341 intel_engine_get_instdone(dev_priv->engine[RCS], &instdone);
1343 intel_runtime_pm_put(dev_priv);
1345 if (timer_pending(&dev_priv->gpu_error.hangcheck_work.timer))
1346 seq_printf(m, "Hangcheck active, timer fires in %dms\n",
1347 jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires -
1349 else if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work))
1350 seq_puts(m, "Hangcheck active, work pending\n");
1352 seq_puts(m, "Hangcheck inactive\n");
1354 seq_printf(m, "GT active? %s\n", yesno(dev_priv->gt.awake));
1356 for_each_engine(engine, dev_priv, id) {
1357 struct intel_breadcrumbs *b = &engine->breadcrumbs;
1360 seq_printf(m, "%s:\n", engine->name);
1361 seq_printf(m, "\tseqno = %x [current %x, last %x]\n",
1362 engine->hangcheck.seqno, seqno[id],
1363 intel_engine_last_submit(engine));
1364 seq_printf(m, "\twaiters? %s, fake irq active? %s, stalled? %s, wedged? %s\n",
1365 yesno(intel_engine_has_waiter(engine)),
1366 yesno(test_bit(engine->id,
1367 &dev_priv->gpu_error.missed_irq_rings)),
1368 yesno(engine->hangcheck.stalled),
1369 yesno(engine->hangcheck.wedged));
1371 spin_lock_irq(&b->rb_lock);
1372 for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) {
1373 struct intel_wait *w = rb_entry(rb, typeof(*w), node);
1375 seq_printf(m, "\t%s [%d] waiting for %x\n",
1376 w->tsk->comm, w->tsk->pid, w->seqno);
1378 spin_unlock_irq(&b->rb_lock);
1380 seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
1381 (long long)engine->hangcheck.acthd,
1382 (long long)acthd[id]);
1383 seq_printf(m, "\taction = %s(%d) %d ms ago\n",
1384 hangcheck_action_to_str(engine->hangcheck.action),
1385 engine->hangcheck.action,
1386 jiffies_to_msecs(jiffies -
1387 engine->hangcheck.action_timestamp));
1389 if (engine->id == RCS) {
1390 seq_puts(m, "\tinstdone read =\n");
1392 i915_instdone_info(dev_priv, m, &instdone);
1394 seq_puts(m, "\tinstdone accu =\n");
1396 i915_instdone_info(dev_priv, m,
1397 &engine->hangcheck.instdone);
1404 static int i915_reset_info(struct seq_file *m, void *unused)
1406 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1407 struct i915_gpu_error *error = &dev_priv->gpu_error;
1408 struct intel_engine_cs *engine;
1409 enum intel_engine_id id;
1411 seq_printf(m, "full gpu reset = %u\n", i915_reset_count(error));
1413 for_each_engine(engine, dev_priv, id) {
1414 seq_printf(m, "%s = %u\n", engine->name,
1415 i915_reset_engine_count(error, engine));
1421 static int ironlake_drpc_info(struct seq_file *m)
1423 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1424 u32 rgvmodectl, rstdbyctl;
1427 rgvmodectl = I915_READ(MEMMODECTL);
1428 rstdbyctl = I915_READ(RSTDBYCTL);
1429 crstandvid = I915_READ16(CRSTANDVID);
1431 seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN));
1432 seq_printf(m, "Boost freq: %d\n",
1433 (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
1434 MEMMODE_BOOST_FREQ_SHIFT);
1435 seq_printf(m, "HW control enabled: %s\n",
1436 yesno(rgvmodectl & MEMMODE_HWIDLE_EN));
1437 seq_printf(m, "SW control enabled: %s\n",
1438 yesno(rgvmodectl & MEMMODE_SWMODE_EN));
1439 seq_printf(m, "Gated voltage change: %s\n",
1440 yesno(rgvmodectl & MEMMODE_RCLK_GATE));
1441 seq_printf(m, "Starting frequency: P%d\n",
1442 (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
1443 seq_printf(m, "Max P-state: P%d\n",
1444 (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
1445 seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
1446 seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
1447 seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
1448 seq_printf(m, "Render standby enabled: %s\n",
1449 yesno(!(rstdbyctl & RCX_SW_EXIT)));
1450 seq_puts(m, "Current RS state: ");
1451 switch (rstdbyctl & RSX_STATUS_MASK) {
1453 seq_puts(m, "on\n");
1455 case RSX_STATUS_RC1:
1456 seq_puts(m, "RC1\n");
1458 case RSX_STATUS_RC1E:
1459 seq_puts(m, "RC1E\n");
1461 case RSX_STATUS_RS1:
1462 seq_puts(m, "RS1\n");
1464 case RSX_STATUS_RS2:
1465 seq_puts(m, "RS2 (RC6)\n");
1467 case RSX_STATUS_RS3:
1468 seq_puts(m, "RC3 (RC6+)\n");
1471 seq_puts(m, "unknown\n");
1478 static int i915_forcewake_domains(struct seq_file *m, void *data)
1480 struct drm_i915_private *i915 = node_to_i915(m->private);
1481 struct intel_uncore_forcewake_domain *fw_domain;
1484 seq_printf(m, "user.bypass_count = %u\n",
1485 i915->uncore.user_forcewake.count);
1487 for_each_fw_domain(fw_domain, i915, tmp)
1488 seq_printf(m, "%s.wake_count = %u\n",
1489 intel_uncore_forcewake_domain_to_str(fw_domain->id),
1490 READ_ONCE(fw_domain->wake_count));
1495 static void print_rc6_res(struct seq_file *m,
1497 const i915_reg_t reg)
1499 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1501 seq_printf(m, "%s %u (%llu us)\n",
1502 title, I915_READ(reg),
1503 intel_rc6_residency_us(dev_priv, reg));
1506 static int vlv_drpc_info(struct seq_file *m)
1508 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1509 u32 rcctl1, pw_status;
1511 pw_status = I915_READ(VLV_GTLC_PW_STATUS);
1512 rcctl1 = I915_READ(GEN6_RC_CONTROL);
1514 seq_printf(m, "RC6 Enabled: %s\n",
1515 yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE |
1516 GEN6_RC_CTL_EI_MODE(1))));
1517 seq_printf(m, "Render Power Well: %s\n",
1518 (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down");
1519 seq_printf(m, "Media Power Well: %s\n",
1520 (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down");
1522 print_rc6_res(m, "Render RC6 residency since boot:", VLV_GT_RENDER_RC6);
1523 print_rc6_res(m, "Media RC6 residency since boot:", VLV_GT_MEDIA_RC6);
1525 return i915_forcewake_domains(m, NULL);
1528 static int gen6_drpc_info(struct seq_file *m)
1530 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1531 u32 gt_core_status, rcctl1, rc6vids = 0;
1532 u32 gen9_powergate_enable = 0, gen9_powergate_status = 0;
1534 gt_core_status = I915_READ_FW(GEN6_GT_CORE_STATUS);
1535 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true);
1537 rcctl1 = I915_READ(GEN6_RC_CONTROL);
1538 if (INTEL_GEN(dev_priv) >= 9) {
1539 gen9_powergate_enable = I915_READ(GEN9_PG_ENABLE);
1540 gen9_powergate_status = I915_READ(GEN9_PWRGT_DOMAIN_STATUS);
1543 if (INTEL_GEN(dev_priv) <= 7) {
1544 mutex_lock(&dev_priv->pcu_lock);
1545 sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS,
1547 mutex_unlock(&dev_priv->pcu_lock);
1550 seq_printf(m, "RC1e Enabled: %s\n",
1551 yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE));
1552 seq_printf(m, "RC6 Enabled: %s\n",
1553 yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
1554 if (INTEL_GEN(dev_priv) >= 9) {
1555 seq_printf(m, "Render Well Gating Enabled: %s\n",
1556 yesno(gen9_powergate_enable & GEN9_RENDER_PG_ENABLE));
1557 seq_printf(m, "Media Well Gating Enabled: %s\n",
1558 yesno(gen9_powergate_enable & GEN9_MEDIA_PG_ENABLE));
1560 seq_printf(m, "Deep RC6 Enabled: %s\n",
1561 yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE));
1562 seq_printf(m, "Deepest RC6 Enabled: %s\n",
1563 yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE));
1564 seq_puts(m, "Current RC state: ");
1565 switch (gt_core_status & GEN6_RCn_MASK) {
1567 if (gt_core_status & GEN6_CORE_CPD_STATE_MASK)
1568 seq_puts(m, "Core Power Down\n");
1570 seq_puts(m, "on\n");
1573 seq_puts(m, "RC3\n");
1576 seq_puts(m, "RC6\n");
1579 seq_puts(m, "RC7\n");
1582 seq_puts(m, "Unknown\n");
1586 seq_printf(m, "Core Power Down: %s\n",
1587 yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK));
1588 if (INTEL_GEN(dev_priv) >= 9) {
1589 seq_printf(m, "Render Power Well: %s\n",
1590 (gen9_powergate_status &
1591 GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down");
1592 seq_printf(m, "Media Power Well: %s\n",
1593 (gen9_powergate_status &
1594 GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down");
1597 /* Not exactly sure what this is */
1598 print_rc6_res(m, "RC6 \"Locked to RPn\" residency since boot:",
1599 GEN6_GT_GFX_RC6_LOCKED);
1600 print_rc6_res(m, "RC6 residency since boot:", GEN6_GT_GFX_RC6);
1601 print_rc6_res(m, "RC6+ residency since boot:", GEN6_GT_GFX_RC6p);
1602 print_rc6_res(m, "RC6++ residency since boot:", GEN6_GT_GFX_RC6pp);
1604 if (INTEL_GEN(dev_priv) <= 7) {
1605 seq_printf(m, "RC6 voltage: %dmV\n",
1606 GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff)));
1607 seq_printf(m, "RC6+ voltage: %dmV\n",
1608 GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff)));
1609 seq_printf(m, "RC6++ voltage: %dmV\n",
1610 GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff)));
1613 return i915_forcewake_domains(m, NULL);
1616 static int i915_drpc_info(struct seq_file *m, void *unused)
1618 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1621 intel_runtime_pm_get(dev_priv);
1623 if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
1624 err = vlv_drpc_info(m);
1625 else if (INTEL_GEN(dev_priv) >= 6)
1626 err = gen6_drpc_info(m);
1628 err = ironlake_drpc_info(m);
1630 intel_runtime_pm_put(dev_priv);
1635 static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
1637 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1639 seq_printf(m, "FB tracking busy bits: 0x%08x\n",
1640 dev_priv->fb_tracking.busy_bits);
1642 seq_printf(m, "FB tracking flip bits: 0x%08x\n",
1643 dev_priv->fb_tracking.flip_bits);
1648 static int i915_fbc_status(struct seq_file *m, void *unused)
1650 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1651 struct intel_fbc *fbc = &dev_priv->fbc;
1653 if (!HAS_FBC(dev_priv))
1656 intel_runtime_pm_get(dev_priv);
1657 mutex_lock(&fbc->lock);
1659 if (intel_fbc_is_active(dev_priv))
1660 seq_puts(m, "FBC enabled\n");
1662 seq_printf(m, "FBC disabled: %s\n", fbc->no_fbc_reason);
1664 if (intel_fbc_is_active(dev_priv)) {
1667 if (INTEL_GEN(dev_priv) >= 8)
1668 mask = I915_READ(IVB_FBC_STATUS2) & BDW_FBC_COMP_SEG_MASK;
1669 else if (INTEL_GEN(dev_priv) >= 7)
1670 mask = I915_READ(IVB_FBC_STATUS2) & IVB_FBC_COMP_SEG_MASK;
1671 else if (INTEL_GEN(dev_priv) >= 5)
1672 mask = I915_READ(ILK_DPFC_STATUS) & ILK_DPFC_COMP_SEG_MASK;
1673 else if (IS_G4X(dev_priv))
1674 mask = I915_READ(DPFC_STATUS) & DPFC_COMP_SEG_MASK;
1676 mask = I915_READ(FBC_STATUS) & (FBC_STAT_COMPRESSING |
1677 FBC_STAT_COMPRESSED);
1679 seq_printf(m, "Compressing: %s\n", yesno(mask));
1682 mutex_unlock(&fbc->lock);
1683 intel_runtime_pm_put(dev_priv);
1688 static int i915_fbc_false_color_get(void *data, u64 *val)
1690 struct drm_i915_private *dev_priv = data;
1692 if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
1695 *val = dev_priv->fbc.false_color;
1700 static int i915_fbc_false_color_set(void *data, u64 val)
1702 struct drm_i915_private *dev_priv = data;
1705 if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv))
1708 mutex_lock(&dev_priv->fbc.lock);
1710 reg = I915_READ(ILK_DPFC_CONTROL);
1711 dev_priv->fbc.false_color = val;
1713 I915_WRITE(ILK_DPFC_CONTROL, val ?
1714 (reg | FBC_CTL_FALSE_COLOR) :
1715 (reg & ~FBC_CTL_FALSE_COLOR));
1717 mutex_unlock(&dev_priv->fbc.lock);
1721 DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops,
1722 i915_fbc_false_color_get, i915_fbc_false_color_set,
1725 static int i915_ips_status(struct seq_file *m, void *unused)
1727 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1729 if (!HAS_IPS(dev_priv))
1732 intel_runtime_pm_get(dev_priv);
1734 seq_printf(m, "Enabled by kernel parameter: %s\n",
1735 yesno(i915_modparams.enable_ips));
1737 if (INTEL_GEN(dev_priv) >= 8) {
1738 seq_puts(m, "Currently: unknown\n");
1740 if (I915_READ(IPS_CTL) & IPS_ENABLE)
1741 seq_puts(m, "Currently: enabled\n");
1743 seq_puts(m, "Currently: disabled\n");
1746 intel_runtime_pm_put(dev_priv);
1751 static int i915_sr_status(struct seq_file *m, void *unused)
1753 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1754 bool sr_enabled = false;
1756 intel_runtime_pm_get(dev_priv);
1757 intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
1759 if (INTEL_GEN(dev_priv) >= 9)
1760 /* no global SR status; inspect per-plane WM */;
1761 else if (HAS_PCH_SPLIT(dev_priv))
1762 sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
1763 else if (IS_I965GM(dev_priv) || IS_G4X(dev_priv) ||
1764 IS_I945G(dev_priv) || IS_I945GM(dev_priv))
1765 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
1766 else if (IS_I915GM(dev_priv))
1767 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
1768 else if (IS_PINEVIEW(dev_priv))
1769 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
1770 else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
1771 sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN;
1773 intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
1774 intel_runtime_pm_put(dev_priv);
1776 seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled));
1781 static int i915_emon_status(struct seq_file *m, void *unused)
1783 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1784 struct drm_device *dev = &dev_priv->drm;
1785 unsigned long temp, chipset, gfx;
1788 if (!IS_GEN5(dev_priv))
1791 ret = mutex_lock_interruptible(&dev->struct_mutex);
1795 temp = i915_mch_val(dev_priv);
1796 chipset = i915_chipset_val(dev_priv);
1797 gfx = i915_gfx_val(dev_priv);
1798 mutex_unlock(&dev->struct_mutex);
1800 seq_printf(m, "GMCH temp: %ld\n", temp);
1801 seq_printf(m, "Chipset power: %ld\n", chipset);
1802 seq_printf(m, "GFX power: %ld\n", gfx);
1803 seq_printf(m, "Total power: %ld\n", chipset + gfx);
1808 static int i915_ring_freq_table(struct seq_file *m, void *unused)
1810 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1811 struct intel_rps *rps = &dev_priv->gt_pm.rps;
1812 unsigned int max_gpu_freq, min_gpu_freq;
1813 int gpu_freq, ia_freq;
1816 if (!HAS_LLC(dev_priv))
1819 intel_runtime_pm_get(dev_priv);
1821 ret = mutex_lock_interruptible(&dev_priv->pcu_lock);
1825 min_gpu_freq = rps->min_freq;
1826 max_gpu_freq = rps->max_freq;
1827 if (IS_GEN9_BC(dev_priv) || INTEL_GEN(dev_priv) >= 10) {
1828 /* Convert GT frequency to 50 HZ units */
1829 min_gpu_freq /= GEN9_FREQ_SCALER;
1830 max_gpu_freq /= GEN9_FREQ_SCALER;
1833 seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
1835 for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) {
1837 sandybridge_pcode_read(dev_priv,
1838 GEN6_PCODE_READ_MIN_FREQ_TABLE,
1840 seq_printf(m, "%d\t\t%d\t\t\t\t%d\n",
1841 intel_gpu_freq(dev_priv, (gpu_freq *
1842 (IS_GEN9_BC(dev_priv) ||
1843 INTEL_GEN(dev_priv) >= 10 ?
1844 GEN9_FREQ_SCALER : 1))),
1845 ((ia_freq >> 0) & 0xff) * 100,
1846 ((ia_freq >> 8) & 0xff) * 100);
1849 mutex_unlock(&dev_priv->pcu_lock);
1852 intel_runtime_pm_put(dev_priv);
1856 static int i915_opregion(struct seq_file *m, void *unused)
1858 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1859 struct drm_device *dev = &dev_priv->drm;
1860 struct intel_opregion *opregion = &dev_priv->opregion;
1863 ret = mutex_lock_interruptible(&dev->struct_mutex);
1867 if (opregion->header)
1868 seq_write(m, opregion->header, OPREGION_SIZE);
1870 mutex_unlock(&dev->struct_mutex);
1876 static int i915_vbt(struct seq_file *m, void *unused)
1878 struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
1881 seq_write(m, opregion->vbt, opregion->vbt_size);
1886 static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
1888 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1889 struct drm_device *dev = &dev_priv->drm;
1890 struct intel_framebuffer *fbdev_fb = NULL;
1891 struct drm_framebuffer *drm_fb;
1894 ret = mutex_lock_interruptible(&dev->struct_mutex);
1898 #ifdef CONFIG_DRM_FBDEV_EMULATION
1899 if (dev_priv->fbdev && dev_priv->fbdev->helper.fb) {
1900 fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb);
1902 seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1903 fbdev_fb->base.width,
1904 fbdev_fb->base.height,
1905 fbdev_fb->base.format->depth,
1906 fbdev_fb->base.format->cpp[0] * 8,
1907 fbdev_fb->base.modifier,
1908 drm_framebuffer_read_refcount(&fbdev_fb->base));
1909 describe_obj(m, intel_fb_obj(&fbdev_fb->base));
1914 mutex_lock(&dev->mode_config.fb_lock);
1915 drm_for_each_fb(drm_fb, dev) {
1916 struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
1920 seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1923 fb->base.format->depth,
1924 fb->base.format->cpp[0] * 8,
1926 drm_framebuffer_read_refcount(&fb->base));
1927 describe_obj(m, intel_fb_obj(&fb->base));
1930 mutex_unlock(&dev->mode_config.fb_lock);
1931 mutex_unlock(&dev->struct_mutex);
1936 static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring)
1938 seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, emit: %u)",
1939 ring->space, ring->head, ring->tail, ring->emit);
1942 static int i915_context_status(struct seq_file *m, void *unused)
1944 struct drm_i915_private *dev_priv = node_to_i915(m->private);
1945 struct drm_device *dev = &dev_priv->drm;
1946 struct intel_engine_cs *engine;
1947 struct i915_gem_context *ctx;
1948 enum intel_engine_id id;
1951 ret = mutex_lock_interruptible(&dev->struct_mutex);
1955 list_for_each_entry(ctx, &dev_priv->contexts.list, link) {
1956 seq_puts(m, "HW context ");
1957 if (!list_empty(&ctx->hw_id_link))
1958 seq_printf(m, "%x [pin %u]", ctx->hw_id,
1959 atomic_read(&ctx->hw_id_pin_count));
1961 struct task_struct *task;
1963 task = get_pid_task(ctx->pid, PIDTYPE_PID);
1965 seq_printf(m, "(%s [%d]) ",
1966 task->comm, task->pid);
1967 put_task_struct(task);
1969 } else if (IS_ERR(ctx->file_priv)) {
1970 seq_puts(m, "(deleted) ");
1972 seq_puts(m, "(kernel) ");
1975 seq_putc(m, ctx->remap_slice ? 'R' : 'r');
1978 for_each_engine(engine, dev_priv, id) {
1979 struct intel_context *ce =
1980 to_intel_context(ctx, engine);
1982 seq_printf(m, "%s: ", engine->name);
1984 describe_obj(m, ce->state->obj);
1986 describe_ctx_ring(m, ce->ring);
1993 mutex_unlock(&dev->struct_mutex);
1998 static const char *swizzle_string(unsigned swizzle)
2001 case I915_BIT_6_SWIZZLE_NONE:
2003 case I915_BIT_6_SWIZZLE_9:
2005 case I915_BIT_6_SWIZZLE_9_10:
2006 return "bit9/bit10";
2007 case I915_BIT_6_SWIZZLE_9_11:
2008 return "bit9/bit11";
2009 case I915_BIT_6_SWIZZLE_9_10_11:
2010 return "bit9/bit10/bit11";
2011 case I915_BIT_6_SWIZZLE_9_17:
2012 return "bit9/bit17";
2013 case I915_BIT_6_SWIZZLE_9_10_17:
2014 return "bit9/bit10/bit17";
2015 case I915_BIT_6_SWIZZLE_UNKNOWN:
2022 static int i915_swizzle_info(struct seq_file *m, void *data)
2024 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2026 intel_runtime_pm_get(dev_priv);
2028 seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
2029 swizzle_string(dev_priv->mm.bit_6_swizzle_x));
2030 seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
2031 swizzle_string(dev_priv->mm.bit_6_swizzle_y));
2033 if (IS_GEN3(dev_priv) || IS_GEN4(dev_priv)) {
2034 seq_printf(m, "DDC = 0x%08x\n",
2036 seq_printf(m, "DDC2 = 0x%08x\n",
2038 seq_printf(m, "C0DRB3 = 0x%04x\n",
2039 I915_READ16(C0DRB3));
2040 seq_printf(m, "C1DRB3 = 0x%04x\n",
2041 I915_READ16(C1DRB3));
2042 } else if (INTEL_GEN(dev_priv) >= 6) {
2043 seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
2044 I915_READ(MAD_DIMM_C0));
2045 seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
2046 I915_READ(MAD_DIMM_C1));
2047 seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n",
2048 I915_READ(MAD_DIMM_C2));
2049 seq_printf(m, "TILECTL = 0x%08x\n",
2050 I915_READ(TILECTL));
2051 if (INTEL_GEN(dev_priv) >= 8)
2052 seq_printf(m, "GAMTARBMODE = 0x%08x\n",
2053 I915_READ(GAMTARBMODE));
2055 seq_printf(m, "ARB_MODE = 0x%08x\n",
2056 I915_READ(ARB_MODE));
2057 seq_printf(m, "DISP_ARB_CTL = 0x%08x\n",
2058 I915_READ(DISP_ARB_CTL));
2061 if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES)
2062 seq_puts(m, "L-shaped memory detected\n");
2064 intel_runtime_pm_put(dev_priv);
2069 static int per_file_ctx(int id, void *ptr, void *data)
2071 struct i915_gem_context *ctx = ptr;
2072 struct seq_file *m = data;
2073 struct i915_hw_ppgtt *ppgtt = ctx->ppgtt;
2076 seq_printf(m, " no ppgtt for context %d\n",
2081 if (i915_gem_context_is_default(ctx))
2082 seq_puts(m, " default context:\n");
2084 seq_printf(m, " context %d:\n", ctx->user_handle);
2085 ppgtt->debug_dump(ppgtt, m);
2090 static void gen8_ppgtt_info(struct seq_file *m,
2091 struct drm_i915_private *dev_priv)
2093 struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
2094 struct intel_engine_cs *engine;
2095 enum intel_engine_id id;
2101 for_each_engine(engine, dev_priv, id) {
2102 seq_printf(m, "%s\n", engine->name);
2103 for (i = 0; i < 4; i++) {
2104 u64 pdp = I915_READ(GEN8_RING_PDP_UDW(engine, i));
2106 pdp |= I915_READ(GEN8_RING_PDP_LDW(engine, i));
2107 seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp);
2112 static void gen6_ppgtt_info(struct seq_file *m,
2113 struct drm_i915_private *dev_priv)
2115 struct intel_engine_cs *engine;
2116 enum intel_engine_id id;
2118 if (IS_GEN6(dev_priv))
2119 seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
2121 for_each_engine(engine, dev_priv, id) {
2122 seq_printf(m, "%s\n", engine->name);
2123 if (IS_GEN7(dev_priv))
2124 seq_printf(m, "GFX_MODE: 0x%08x\n",
2125 I915_READ(RING_MODE_GEN7(engine)));
2126 seq_printf(m, "PP_DIR_BASE: 0x%08x\n",
2127 I915_READ(RING_PP_DIR_BASE(engine)));
2128 seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n",
2129 I915_READ(RING_PP_DIR_BASE_READ(engine)));
2130 seq_printf(m, "PP_DIR_DCLV: 0x%08x\n",
2131 I915_READ(RING_PP_DIR_DCLV(engine)));
2133 if (dev_priv->mm.aliasing_ppgtt) {
2134 struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
2136 seq_puts(m, "aliasing PPGTT:\n");
2137 seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset);
2139 ppgtt->debug_dump(ppgtt, m);
2142 seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
2145 static int i915_ppgtt_info(struct seq_file *m, void *data)
2147 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2148 struct drm_device *dev = &dev_priv->drm;
2149 struct drm_file *file;
2152 mutex_lock(&dev->filelist_mutex);
2153 ret = mutex_lock_interruptible(&dev->struct_mutex);
2157 intel_runtime_pm_get(dev_priv);
2159 if (INTEL_GEN(dev_priv) >= 8)
2160 gen8_ppgtt_info(m, dev_priv);
2161 else if (INTEL_GEN(dev_priv) >= 6)
2162 gen6_ppgtt_info(m, dev_priv);
2164 list_for_each_entry_reverse(file, &dev->filelist, lhead) {
2165 struct drm_i915_file_private *file_priv = file->driver_priv;
2166 struct task_struct *task;
2168 task = get_pid_task(file->pid, PIDTYPE_PID);
2173 seq_printf(m, "\nproc: %s\n", task->comm);
2174 put_task_struct(task);
2175 idr_for_each(&file_priv->context_idr, per_file_ctx,
2176 (void *)(unsigned long)m);
2180 intel_runtime_pm_put(dev_priv);
2181 mutex_unlock(&dev->struct_mutex);
2183 mutex_unlock(&dev->filelist_mutex);
2187 static int count_irq_waiters(struct drm_i915_private *i915)
2189 struct intel_engine_cs *engine;
2190 enum intel_engine_id id;
2193 for_each_engine(engine, i915, id)
2194 count += intel_engine_has_waiter(engine);
2199 static const char *rps_power_to_str(unsigned int power)
2201 static const char * const strings[] = {
2202 [LOW_POWER] = "low power",
2203 [BETWEEN] = "mixed",
2204 [HIGH_POWER] = "high power",
2207 if (power >= ARRAY_SIZE(strings) || !strings[power])
2210 return strings[power];
2213 static int i915_rps_boost_info(struct seq_file *m, void *data)
2215 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2216 struct drm_device *dev = &dev_priv->drm;
2217 struct intel_rps *rps = &dev_priv->gt_pm.rps;
2218 struct drm_file *file;
2220 seq_printf(m, "RPS enabled? %d\n", rps->enabled);
2221 seq_printf(m, "GPU busy? %s [%d requests]\n",
2222 yesno(dev_priv->gt.awake), dev_priv->gt.active_requests);
2223 seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv));
2224 seq_printf(m, "Boosts outstanding? %d\n",
2225 atomic_read(&rps->num_waiters));
2226 seq_printf(m, "Interactive? %d\n", READ_ONCE(rps->power.interactive));
2227 seq_printf(m, "Frequency requested %d\n",
2228 intel_gpu_freq(dev_priv, rps->cur_freq));
2229 seq_printf(m, " min hard:%d, soft:%d; max soft:%d, hard:%d\n",
2230 intel_gpu_freq(dev_priv, rps->min_freq),
2231 intel_gpu_freq(dev_priv, rps->min_freq_softlimit),
2232 intel_gpu_freq(dev_priv, rps->max_freq_softlimit),
2233 intel_gpu_freq(dev_priv, rps->max_freq));
2234 seq_printf(m, " idle:%d, efficient:%d, boost:%d\n",
2235 intel_gpu_freq(dev_priv, rps->idle_freq),
2236 intel_gpu_freq(dev_priv, rps->efficient_freq),
2237 intel_gpu_freq(dev_priv, rps->boost_freq));
2239 mutex_lock(&dev->filelist_mutex);
2240 list_for_each_entry_reverse(file, &dev->filelist, lhead) {
2241 struct drm_i915_file_private *file_priv = file->driver_priv;
2242 struct task_struct *task;
2245 task = pid_task(file->pid, PIDTYPE_PID);
2246 seq_printf(m, "%s [%d]: %d boosts\n",
2247 task ? task->comm : "<unknown>",
2248 task ? task->pid : -1,
2249 atomic_read(&file_priv->rps_client.boosts));
2252 seq_printf(m, "Kernel (anonymous) boosts: %d\n",
2253 atomic_read(&rps->boosts));
2254 mutex_unlock(&dev->filelist_mutex);
2256 if (INTEL_GEN(dev_priv) >= 6 &&
2258 dev_priv->gt.active_requests) {
2260 u32 rpdown, rpdownei;
2262 intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
2263 rpup = I915_READ_FW(GEN6_RP_CUR_UP) & GEN6_RP_EI_MASK;
2264 rpupei = I915_READ_FW(GEN6_RP_CUR_UP_EI) & GEN6_RP_EI_MASK;
2265 rpdown = I915_READ_FW(GEN6_RP_CUR_DOWN) & GEN6_RP_EI_MASK;
2266 rpdownei = I915_READ_FW(GEN6_RP_CUR_DOWN_EI) & GEN6_RP_EI_MASK;
2267 intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
2269 seq_printf(m, "\nRPS Autotuning (current \"%s\" window):\n",
2270 rps_power_to_str(rps->power.mode));
2271 seq_printf(m, " Avg. up: %d%% [above threshold? %d%%]\n",
2272 rpup && rpupei ? 100 * rpup / rpupei : 0,
2273 rps->power.up_threshold);
2274 seq_printf(m, " Avg. down: %d%% [below threshold? %d%%]\n",
2275 rpdown && rpdownei ? 100 * rpdown / rpdownei : 0,
2276 rps->power.down_threshold);
2278 seq_puts(m, "\nRPS Autotuning inactive\n");
2284 static int i915_llc(struct seq_file *m, void *data)
2286 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2287 const bool edram = INTEL_GEN(dev_priv) > 8;
2289 seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev_priv)));
2290 seq_printf(m, "%s: %lluMB\n", edram ? "eDRAM" : "eLLC",
2291 intel_uncore_edram_size(dev_priv)/1024/1024);
2296 static int i915_huc_load_status_info(struct seq_file *m, void *data)
2298 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2299 struct drm_printer p;
2301 if (!HAS_HUC(dev_priv))
2304 p = drm_seq_file_printer(m);
2305 intel_uc_fw_dump(&dev_priv->huc.fw, &p);
2307 intel_runtime_pm_get(dev_priv);
2308 seq_printf(m, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2));
2309 intel_runtime_pm_put(dev_priv);
2314 static int i915_guc_load_status_info(struct seq_file *m, void *data)
2316 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2317 struct drm_printer p;
2320 if (!HAS_GUC(dev_priv))
2323 p = drm_seq_file_printer(m);
2324 intel_uc_fw_dump(&dev_priv->guc.fw, &p);
2326 intel_runtime_pm_get(dev_priv);
2328 tmp = I915_READ(GUC_STATUS);
2330 seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
2331 seq_printf(m, "\tBootrom status = 0x%x\n",
2332 (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
2333 seq_printf(m, "\tuKernel status = 0x%x\n",
2334 (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
2335 seq_printf(m, "\tMIA Core status = 0x%x\n",
2336 (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT);
2337 seq_puts(m, "\nScratch registers:\n");
2338 for (i = 0; i < 16; i++)
2339 seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i)));
2341 intel_runtime_pm_put(dev_priv);
2347 stringify_guc_log_type(enum guc_log_buffer_type type)
2350 case GUC_ISR_LOG_BUFFER:
2352 case GUC_DPC_LOG_BUFFER:
2354 case GUC_CRASH_DUMP_LOG_BUFFER:
2363 static void i915_guc_log_info(struct seq_file *m,
2364 struct drm_i915_private *dev_priv)
2366 struct intel_guc_log *log = &dev_priv->guc.log;
2367 enum guc_log_buffer_type type;
2369 if (!intel_guc_log_relay_enabled(log)) {
2370 seq_puts(m, "GuC log relay disabled\n");
2374 seq_puts(m, "GuC logging stats:\n");
2376 seq_printf(m, "\tRelay full count: %u\n",
2377 log->relay.full_count);
2379 for (type = GUC_ISR_LOG_BUFFER; type < GUC_MAX_LOG_BUFFER; type++) {
2380 seq_printf(m, "\t%s:\tflush count %10u, overflow count %10u\n",
2381 stringify_guc_log_type(type),
2382 log->stats[type].flush,
2383 log->stats[type].sampled_overflow);
2387 static void i915_guc_client_info(struct seq_file *m,
2388 struct drm_i915_private *dev_priv,
2389 struct intel_guc_client *client)
2391 struct intel_engine_cs *engine;
2392 enum intel_engine_id id;
2395 seq_printf(m, "\tPriority %d, GuC stage index: %u, PD offset 0x%x\n",
2396 client->priority, client->stage_id, client->proc_desc_offset);
2397 seq_printf(m, "\tDoorbell id %d, offset: 0x%lx\n",
2398 client->doorbell_id, client->doorbell_offset);
2400 for_each_engine(engine, dev_priv, id) {
2401 u64 submissions = client->submissions[id];
2403 seq_printf(m, "\tSubmissions: %llu %s\n",
2404 submissions, engine->name);
2406 seq_printf(m, "\tTotal: %llu\n", tot);
2409 static int i915_guc_info(struct seq_file *m, void *data)
2411 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2412 const struct intel_guc *guc = &dev_priv->guc;
2414 if (!USES_GUC(dev_priv))
2417 i915_guc_log_info(m, dev_priv);
2419 if (!USES_GUC_SUBMISSION(dev_priv))
2422 GEM_BUG_ON(!guc->execbuf_client);
2424 seq_printf(m, "\nDoorbell map:\n");
2425 seq_printf(m, "\t%*pb\n", GUC_NUM_DOORBELLS, guc->doorbell_bitmap);
2426 seq_printf(m, "Doorbell next cacheline: 0x%x\n", guc->db_cacheline);
2428 seq_printf(m, "\nGuC execbuf client @ %p:\n", guc->execbuf_client);
2429 i915_guc_client_info(m, dev_priv, guc->execbuf_client);
2430 if (guc->preempt_client) {
2431 seq_printf(m, "\nGuC preempt client @ %p:\n",
2432 guc->preempt_client);
2433 i915_guc_client_info(m, dev_priv, guc->preempt_client);
2436 /* Add more as required ... */
2441 static int i915_guc_stage_pool(struct seq_file *m, void *data)
2443 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2444 const struct intel_guc *guc = &dev_priv->guc;
2445 struct guc_stage_desc *desc = guc->stage_desc_pool_vaddr;
2446 struct intel_guc_client *client = guc->execbuf_client;
2450 if (!USES_GUC_SUBMISSION(dev_priv))
2453 for (index = 0; index < GUC_MAX_STAGE_DESCRIPTORS; index++, desc++) {
2454 struct intel_engine_cs *engine;
2456 if (!(desc->attribute & GUC_STAGE_DESC_ATTR_ACTIVE))
2459 seq_printf(m, "GuC stage descriptor %u:\n", index);
2460 seq_printf(m, "\tIndex: %u\n", desc->stage_id);
2461 seq_printf(m, "\tAttribute: 0x%x\n", desc->attribute);
2462 seq_printf(m, "\tPriority: %d\n", desc->priority);
2463 seq_printf(m, "\tDoorbell id: %d\n", desc->db_id);
2464 seq_printf(m, "\tEngines used: 0x%x\n",
2465 desc->engines_used);
2466 seq_printf(m, "\tDoorbell trigger phy: 0x%llx, cpu: 0x%llx, uK: 0x%x\n",
2467 desc->db_trigger_phy,
2468 desc->db_trigger_cpu,
2469 desc->db_trigger_uk);
2470 seq_printf(m, "\tProcess descriptor: 0x%x\n",
2471 desc->process_desc);
2472 seq_printf(m, "\tWorkqueue address: 0x%x, size: 0x%x\n",
2473 desc->wq_addr, desc->wq_size);
2476 for_each_engine_masked(engine, dev_priv, client->engines, tmp) {
2477 u32 guc_engine_id = engine->guc_id;
2478 struct guc_execlist_context *lrc =
2479 &desc->lrc[guc_engine_id];
2481 seq_printf(m, "\t%s LRC:\n", engine->name);
2482 seq_printf(m, "\t\tContext desc: 0x%x\n",
2484 seq_printf(m, "\t\tContext id: 0x%x\n", lrc->context_id);
2485 seq_printf(m, "\t\tLRCA: 0x%x\n", lrc->ring_lrca);
2486 seq_printf(m, "\t\tRing begin: 0x%x\n", lrc->ring_begin);
2487 seq_printf(m, "\t\tRing end: 0x%x\n", lrc->ring_end);
2495 static int i915_guc_log_dump(struct seq_file *m, void *data)
2497 struct drm_info_node *node = m->private;
2498 struct drm_i915_private *dev_priv = node_to_i915(node);
2499 bool dump_load_err = !!node->info_ent->data;
2500 struct drm_i915_gem_object *obj = NULL;
2504 if (!HAS_GUC(dev_priv))
2508 obj = dev_priv->guc.load_err_log;
2509 else if (dev_priv->guc.log.vma)
2510 obj = dev_priv->guc.log.vma->obj;
2515 log = i915_gem_object_pin_map(obj, I915_MAP_WC);
2517 DRM_DEBUG("Failed to pin object\n");
2518 seq_puts(m, "(log data unaccessible)\n");
2519 return PTR_ERR(log);
2522 for (i = 0; i < obj->base.size / sizeof(u32); i += 4)
2523 seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n",
2524 *(log + i), *(log + i + 1),
2525 *(log + i + 2), *(log + i + 3));
2529 i915_gem_object_unpin_map(obj);
2534 static int i915_guc_log_level_get(void *data, u64 *val)
2536 struct drm_i915_private *dev_priv = data;
2538 if (!USES_GUC(dev_priv))
2541 *val = intel_guc_log_get_level(&dev_priv->guc.log);
2546 static int i915_guc_log_level_set(void *data, u64 val)
2548 struct drm_i915_private *dev_priv = data;
2550 if (!USES_GUC(dev_priv))
2553 return intel_guc_log_set_level(&dev_priv->guc.log, val);
2556 DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_level_fops,
2557 i915_guc_log_level_get, i915_guc_log_level_set,
2560 static int i915_guc_log_relay_open(struct inode *inode, struct file *file)
2562 struct drm_i915_private *dev_priv = inode->i_private;
2564 if (!USES_GUC(dev_priv))
2567 file->private_data = &dev_priv->guc.log;
2569 return intel_guc_log_relay_open(&dev_priv->guc.log);
2573 i915_guc_log_relay_write(struct file *filp,
2574 const char __user *ubuf,
2578 struct intel_guc_log *log = filp->private_data;
2580 intel_guc_log_relay_flush(log);
2585 static int i915_guc_log_relay_release(struct inode *inode, struct file *file)
2587 struct drm_i915_private *dev_priv = inode->i_private;
2589 intel_guc_log_relay_close(&dev_priv->guc.log);
2594 static const struct file_operations i915_guc_log_relay_fops = {
2595 .owner = THIS_MODULE,
2596 .open = i915_guc_log_relay_open,
2597 .write = i915_guc_log_relay_write,
2598 .release = i915_guc_log_relay_release,
2601 static int i915_psr_sink_status_show(struct seq_file *m, void *data)
2604 static const char * const sink_status[] = {
2606 "transition to active, capture and display",
2607 "active, display from RFB",
2608 "active, capture and display on sink device timings",
2609 "transition to inactive, capture and display, timing re-sync",
2612 "sink internal error",
2614 struct drm_connector *connector = m->private;
2615 struct drm_i915_private *dev_priv = to_i915(connector->dev);
2616 struct intel_dp *intel_dp =
2617 enc_to_intel_dp(&intel_attached_encoder(connector)->base);
2620 if (!CAN_PSR(dev_priv)) {
2621 seq_puts(m, "PSR Unsupported\n");
2625 if (connector->status != connector_status_connected)
2628 ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val);
2631 const char *str = "unknown";
2633 val &= DP_PSR_SINK_STATE_MASK;
2634 if (val < ARRAY_SIZE(sink_status))
2635 str = sink_status[val];
2636 seq_printf(m, "Sink PSR status: 0x%x [%s]\n", val, str);
2643 DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);
2646 psr_source_status(struct drm_i915_private *dev_priv, struct seq_file *m)
2648 u32 val, psr_status;
2650 if (dev_priv->psr.psr2_enabled) {
2651 static const char * const live_status[] = {
2664 psr_status = I915_READ(EDP_PSR2_STATUS);
2665 val = (psr_status & EDP_PSR2_STATUS_STATE_MASK) >>
2666 EDP_PSR2_STATUS_STATE_SHIFT;
2667 if (val < ARRAY_SIZE(live_status)) {
2668 seq_printf(m, "Source PSR status: 0x%x [%s]\n",
2669 psr_status, live_status[val]);
2673 static const char * const live_status[] = {
2683 psr_status = I915_READ(EDP_PSR_STATUS);
2684 val = (psr_status & EDP_PSR_STATUS_STATE_MASK) >>
2685 EDP_PSR_STATUS_STATE_SHIFT;
2686 if (val < ARRAY_SIZE(live_status)) {
2687 seq_printf(m, "Source PSR status: 0x%x [%s]\n",
2688 psr_status, live_status[val]);
2693 seq_printf(m, "Source PSR status: 0x%x [%s]\n", psr_status, "unknown");
2696 static int i915_edp_psr_status(struct seq_file *m, void *data)
2698 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2700 bool enabled = false;
2703 if (!HAS_PSR(dev_priv))
2706 sink_support = dev_priv->psr.sink_support;
2707 seq_printf(m, "Sink_Support: %s\n", yesno(sink_support));
2711 intel_runtime_pm_get(dev_priv);
2713 mutex_lock(&dev_priv->psr.lock);
2714 seq_printf(m, "PSR mode: %s\n",
2715 dev_priv->psr.psr2_enabled ? "PSR2" : "PSR1");
2716 seq_printf(m, "Enabled: %s\n", yesno(dev_priv->psr.enabled));
2717 seq_printf(m, "Busy frontbuffer bits: 0x%03x\n",
2718 dev_priv->psr.busy_frontbuffer_bits);
2720 if (dev_priv->psr.psr2_enabled)
2721 enabled = I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE;
2723 enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE;
2725 seq_printf(m, "Main link in standby mode: %s\n",
2726 yesno(dev_priv->psr.link_standby));
2728 seq_printf(m, "HW Enabled & Active bit: %s\n", yesno(enabled));
2731 * SKL+ Perf counter is reset to 0 everytime DC state is entered
2733 if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
2734 psrperf = I915_READ(EDP_PSR_PERF_CNT) &
2735 EDP_PSR_PERF_CNT_MASK;
2737 seq_printf(m, "Performance_Counter: %u\n", psrperf);
2740 psr_source_status(dev_priv, m);
2741 mutex_unlock(&dev_priv->psr.lock);
2743 if (READ_ONCE(dev_priv->psr.debug) & I915_PSR_DEBUG_IRQ) {
2744 seq_printf(m, "Last attempted entry at: %lld\n",
2745 dev_priv->psr.last_entry_attempt);
2746 seq_printf(m, "Last exit at: %lld\n",
2747 dev_priv->psr.last_exit);
2750 intel_runtime_pm_put(dev_priv);
2755 i915_edp_psr_debug_set(void *data, u64 val)
2757 struct drm_i915_private *dev_priv = data;
2758 struct drm_modeset_acquire_ctx ctx;
2761 if (!CAN_PSR(dev_priv))
2764 DRM_DEBUG_KMS("Setting PSR debug to %llx\n", val);
2766 intel_runtime_pm_get(dev_priv);
2768 drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
2771 ret = intel_psr_set_debugfs_mode(dev_priv, &ctx, val);
2772 if (ret == -EDEADLK) {
2773 ret = drm_modeset_backoff(&ctx);
2778 drm_modeset_drop_locks(&ctx);
2779 drm_modeset_acquire_fini(&ctx);
2781 intel_runtime_pm_put(dev_priv);
2787 i915_edp_psr_debug_get(void *data, u64 *val)
2789 struct drm_i915_private *dev_priv = data;
2791 if (!CAN_PSR(dev_priv))
2794 *val = READ_ONCE(dev_priv->psr.debug);
2798 DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops,
2799 i915_edp_psr_debug_get, i915_edp_psr_debug_set,
2802 static int i915_energy_uJ(struct seq_file *m, void *data)
2804 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2805 unsigned long long power;
2808 if (INTEL_GEN(dev_priv) < 6)
2811 intel_runtime_pm_get(dev_priv);
2813 if (rdmsrl_safe(MSR_RAPL_POWER_UNIT, &power)) {
2814 intel_runtime_pm_put(dev_priv);
2818 units = (power & 0x1f00) >> 8;
2819 power = I915_READ(MCH_SECP_NRG_STTS);
2820 power = (1000000 * power) >> units; /* convert to uJ */
2822 intel_runtime_pm_put(dev_priv);
2824 seq_printf(m, "%llu", power);
2829 static int i915_runtime_pm_status(struct seq_file *m, void *unused)
2831 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2832 struct pci_dev *pdev = dev_priv->drm.pdev;
2834 if (!HAS_RUNTIME_PM(dev_priv))
2835 seq_puts(m, "Runtime power management not supported\n");
2837 seq_printf(m, "GPU idle: %s (epoch %u)\n",
2838 yesno(!dev_priv->gt.awake), dev_priv->gt.epoch);
2839 seq_printf(m, "IRQs disabled: %s\n",
2840 yesno(!intel_irqs_enabled(dev_priv)));
2842 seq_printf(m, "Usage count: %d\n",
2843 atomic_read(&dev_priv->drm.dev->power.usage_count));
2845 seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n");
2847 seq_printf(m, "PCI device power state: %s [%d]\n",
2848 pci_power_name(pdev->current_state),
2849 pdev->current_state);
2854 static int i915_power_domain_info(struct seq_file *m, void *unused)
2856 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2857 struct i915_power_domains *power_domains = &dev_priv->power_domains;
2860 mutex_lock(&power_domains->lock);
2862 seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count");
2863 for (i = 0; i < power_domains->power_well_count; i++) {
2864 struct i915_power_well *power_well;
2865 enum intel_display_power_domain power_domain;
2867 power_well = &power_domains->power_wells[i];
2868 seq_printf(m, "%-25s %d\n", power_well->desc->name,
2871 for_each_power_domain(power_domain, power_well->desc->domains)
2872 seq_printf(m, " %-23s %d\n",
2873 intel_display_power_domain_str(power_domain),
2874 power_domains->domain_use_count[power_domain]);
2877 mutex_unlock(&power_domains->lock);
2882 static int i915_dmc_info(struct seq_file *m, void *unused)
2884 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2885 struct intel_csr *csr;
2887 if (!HAS_CSR(dev_priv))
2890 csr = &dev_priv->csr;
2892 intel_runtime_pm_get(dev_priv);
2894 seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL));
2895 seq_printf(m, "path: %s\n", csr->fw_path);
2897 if (!csr->dmc_payload)
2900 seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
2901 CSR_VERSION_MINOR(csr->version));
2903 if (IS_KABYLAKE(dev_priv) ||
2904 (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6))) {
2905 seq_printf(m, "DC3 -> DC5 count: %d\n",
2906 I915_READ(SKL_CSR_DC3_DC5_COUNT));
2907 seq_printf(m, "DC5 -> DC6 count: %d\n",
2908 I915_READ(SKL_CSR_DC5_DC6_COUNT));
2909 } else if (IS_BROXTON(dev_priv) && csr->version >= CSR_VERSION(1, 4)) {
2910 seq_printf(m, "DC3 -> DC5 count: %d\n",
2911 I915_READ(BXT_CSR_DC3_DC5_COUNT));
2915 seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
2916 seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE));
2917 seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL));
2919 intel_runtime_pm_put(dev_priv);
2924 static void intel_seq_print_mode(struct seq_file *m, int tabs,
2925 struct drm_display_mode *mode)
2929 for (i = 0; i < tabs; i++)
2932 seq_printf(m, "id %d:\"%s\" freq %d clock %d hdisp %d hss %d hse %d htot %d vdisp %d vss %d vse %d vtot %d type 0x%x flags 0x%x\n",
2933 mode->base.id, mode->name,
2934 mode->vrefresh, mode->clock,
2935 mode->hdisplay, mode->hsync_start,
2936 mode->hsync_end, mode->htotal,
2937 mode->vdisplay, mode->vsync_start,
2938 mode->vsync_end, mode->vtotal,
2939 mode->type, mode->flags);
2942 static void intel_encoder_info(struct seq_file *m,
2943 struct intel_crtc *intel_crtc,
2944 struct intel_encoder *intel_encoder)
2946 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2947 struct drm_device *dev = &dev_priv->drm;
2948 struct drm_crtc *crtc = &intel_crtc->base;
2949 struct intel_connector *intel_connector;
2950 struct drm_encoder *encoder;
2952 encoder = &intel_encoder->base;
2953 seq_printf(m, "\tencoder %d: type: %s, connectors:\n",
2954 encoder->base.id, encoder->name);
2955 for_each_connector_on_encoder(dev, encoder, intel_connector) {
2956 struct drm_connector *connector = &intel_connector->base;
2957 seq_printf(m, "\t\tconnector %d: type: %s, status: %s",
2960 drm_get_connector_status_name(connector->status));
2961 if (connector->status == connector_status_connected) {
2962 struct drm_display_mode *mode = &crtc->mode;
2963 seq_printf(m, ", mode:\n");
2964 intel_seq_print_mode(m, 2, mode);
2971 static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc)
2973 struct drm_i915_private *dev_priv = node_to_i915(m->private);
2974 struct drm_device *dev = &dev_priv->drm;
2975 struct drm_crtc *crtc = &intel_crtc->base;
2976 struct intel_encoder *intel_encoder;
2977 struct drm_plane_state *plane_state = crtc->primary->state;
2978 struct drm_framebuffer *fb = plane_state->fb;
2981 seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n",
2982 fb->base.id, plane_state->src_x >> 16,
2983 plane_state->src_y >> 16, fb->width, fb->height);
2985 seq_puts(m, "\tprimary plane disabled\n");
2986 for_each_encoder_on_crtc(dev, crtc, intel_encoder)
2987 intel_encoder_info(m, intel_crtc, intel_encoder);
2990 static void intel_panel_info(struct seq_file *m, struct intel_panel *panel)
2992 struct drm_display_mode *mode = panel->fixed_mode;
2994 seq_printf(m, "\tfixed mode:\n");
2995 intel_seq_print_mode(m, 2, mode);
2998 static void intel_dp_info(struct seq_file *m,
2999 struct intel_connector *intel_connector)
3001 struct intel_encoder *intel_encoder = intel_connector->encoder;
3002 struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
3004 seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
3005 seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
3006 if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
3007 intel_panel_info(m, &intel_connector->panel);
3009 drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
3013 static void intel_dp_mst_info(struct seq_file *m,
3014 struct intel_connector *intel_connector)
3016 struct intel_encoder *intel_encoder = intel_connector->encoder;
3017 struct intel_dp_mst_encoder *intel_mst =
3018 enc_to_mst(&intel_encoder->base);
3019 struct intel_digital_port *intel_dig_port = intel_mst->primary;
3020 struct intel_dp *intel_dp = &intel_dig_port->dp;
3021 bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
3022 intel_connector->port);
3024 seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
3027 static void intel_hdmi_info(struct seq_file *m,
3028 struct intel_connector *intel_connector)
3030 struct intel_encoder *intel_encoder = intel_connector->encoder;
3031 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base);
3033 seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
3036 static void intel_lvds_info(struct seq_file *m,
3037 struct intel_connector *intel_connector)
3039 intel_panel_info(m, &intel_connector->panel);
3042 static void intel_connector_info(struct seq_file *m,
3043 struct drm_connector *connector)
3045 struct intel_connector *intel_connector = to_intel_connector(connector);
3046 struct intel_encoder *intel_encoder = intel_connector->encoder;
3047 struct drm_display_mode *mode;
3049 seq_printf(m, "connector %d: type %s, status: %s\n",
3050 connector->base.id, connector->name,
3051 drm_get_connector_status_name(connector->status));
3052 if (connector->status == connector_status_connected) {
3053 seq_printf(m, "\tname: %s\n", connector->display_info.name);
3054 seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
3055 connector->display_info.width_mm,
3056 connector->display_info.height_mm);
3057 seq_printf(m, "\tsubpixel order: %s\n",
3058 drm_get_subpixel_order_name(connector->display_info.subpixel_order));
3059 seq_printf(m, "\tCEA rev: %d\n",
3060 connector->display_info.cea_rev);
3066 switch (connector->connector_type) {
3067 case DRM_MODE_CONNECTOR_DisplayPort:
3068 case DRM_MODE_CONNECTOR_eDP:
3069 if (intel_encoder->type == INTEL_OUTPUT_DP_MST)
3070 intel_dp_mst_info(m, intel_connector);
3072 intel_dp_info(m, intel_connector);
3074 case DRM_MODE_CONNECTOR_LVDS:
3075 if (intel_encoder->type == INTEL_OUTPUT_LVDS)
3076 intel_lvds_info(m, intel_connector);
3078 case DRM_MODE_CONNECTOR_HDMIA:
3079 if (intel_encoder->type == INTEL_OUTPUT_HDMI ||
3080 intel_encoder->type == INTEL_OUTPUT_DDI)
3081 intel_hdmi_info(m, intel_connector);
3087 seq_printf(m, "\tmodes:\n");
3088 list_for_each_entry(mode, &connector->modes, head)
3089 intel_seq_print_mode(m, 2, mode);
3092 static const char *plane_type(enum drm_plane_type type)
3095 case DRM_PLANE_TYPE_OVERLAY:
3097 case DRM_PLANE_TYPE_PRIMARY:
3099 case DRM_PLANE_TYPE_CURSOR:
3102 * Deliberately omitting default: to generate compiler warnings
3103 * when a new drm_plane_type gets added.
3110 static const char *plane_rotation(unsigned int rotation)
3112 static char buf[48];
3114 * According to doc only one DRM_MODE_ROTATE_ is allowed but this
3115 * will print them all to visualize if the values are misused
3117 snprintf(buf, sizeof(buf),
3118 "%s%s%s%s%s%s(0x%08x)",
3119 (rotation & DRM_MODE_ROTATE_0) ? "0 " : "",
3120 (rotation & DRM_MODE_ROTATE_90) ? "90 " : "",
3121 (rotation & DRM_MODE_ROTATE_180) ? "180 " : "",
3122 (rotation & DRM_MODE_ROTATE_270) ? "270 " : "",
3123 (rotation & DRM_MODE_REFLECT_X) ? "FLIPX " : "",
3124 (rotation & DRM_MODE_REFLECT_Y) ? "FLIPY " : "",
3130 static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc)
3132 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3133 struct drm_device *dev = &dev_priv->drm;
3134 struct intel_plane *intel_plane;
3136 for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
3137 struct drm_plane_state *state;
3138 struct drm_plane *plane = &intel_plane->base;
3139 struct drm_format_name_buf format_name;
3141 if (!plane->state) {
3142 seq_puts(m, "plane->state is NULL!\n");
3146 state = plane->state;
3149 drm_get_format_name(state->fb->format->format,
3152 sprintf(format_name.str, "N/A");
3155 seq_printf(m, "\t--Plane id %d: type=%s, crtc_pos=%4dx%4d, crtc_size=%4dx%4d, src_pos=%d.%04ux%d.%04u, src_size=%d.%04ux%d.%04u, format=%s, rotation=%s\n",
3157 plane_type(intel_plane->base.type),
3158 state->crtc_x, state->crtc_y,
3159 state->crtc_w, state->crtc_h,
3160 (state->src_x >> 16),
3161 ((state->src_x & 0xffff) * 15625) >> 10,
3162 (state->src_y >> 16),
3163 ((state->src_y & 0xffff) * 15625) >> 10,
3164 (state->src_w >> 16),
3165 ((state->src_w & 0xffff) * 15625) >> 10,
3166 (state->src_h >> 16),
3167 ((state->src_h & 0xffff) * 15625) >> 10,
3169 plane_rotation(state->rotation));
3173 static void intel_scaler_info(struct seq_file *m, struct intel_crtc *intel_crtc)
3175 struct intel_crtc_state *pipe_config;
3176 int num_scalers = intel_crtc->num_scalers;
3179 pipe_config = to_intel_crtc_state(intel_crtc->base.state);
3181 /* Not all platformas have a scaler */
3183 seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
3185 pipe_config->scaler_state.scaler_users,
3186 pipe_config->scaler_state.scaler_id);
3188 for (i = 0; i < num_scalers; i++) {
3189 struct intel_scaler *sc =
3190 &pipe_config->scaler_state.scalers[i];
3192 seq_printf(m, ", scalers[%d]: use=%s, mode=%x",
3193 i, yesno(sc->in_use), sc->mode);
3197 seq_puts(m, "\tNo scalers available on this platform\n");
3201 static int i915_display_info(struct seq_file *m, void *unused)
3203 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3204 struct drm_device *dev = &dev_priv->drm;
3205 struct intel_crtc *crtc;
3206 struct drm_connector *connector;
3207 struct drm_connector_list_iter conn_iter;
3209 intel_runtime_pm_get(dev_priv);
3210 seq_printf(m, "CRTC info\n");
3211 seq_printf(m, "---------\n");
3212 for_each_intel_crtc(dev, crtc) {
3213 struct intel_crtc_state *pipe_config;
3215 drm_modeset_lock(&crtc->base.mutex, NULL);
3216 pipe_config = to_intel_crtc_state(crtc->base.state);
3218 seq_printf(m, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n",
3219 crtc->base.base.id, pipe_name(crtc->pipe),
3220 yesno(pipe_config->base.active),
3221 pipe_config->pipe_src_w, pipe_config->pipe_src_h,
3222 yesno(pipe_config->dither), pipe_config->pipe_bpp);
3224 if (pipe_config->base.active) {
3225 struct intel_plane *cursor =
3226 to_intel_plane(crtc->base.cursor);
3228 intel_crtc_info(m, crtc);
3230 seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x\n",
3231 yesno(cursor->base.state->visible),
3232 cursor->base.state->crtc_x,
3233 cursor->base.state->crtc_y,
3234 cursor->base.state->crtc_w,
3235 cursor->base.state->crtc_h,
3236 cursor->cursor.base);
3237 intel_scaler_info(m, crtc);
3238 intel_plane_info(m, crtc);
3241 seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n",
3242 yesno(!crtc->cpu_fifo_underrun_disabled),
3243 yesno(!crtc->pch_fifo_underrun_disabled));
3244 drm_modeset_unlock(&crtc->base.mutex);
3247 seq_printf(m, "\n");
3248 seq_printf(m, "Connector info\n");
3249 seq_printf(m, "--------------\n");
3250 mutex_lock(&dev->mode_config.mutex);
3251 drm_connector_list_iter_begin(dev, &conn_iter);
3252 drm_for_each_connector_iter(connector, &conn_iter)
3253 intel_connector_info(m, connector);
3254 drm_connector_list_iter_end(&conn_iter);
3255 mutex_unlock(&dev->mode_config.mutex);
3257 intel_runtime_pm_put(dev_priv);
3262 static int i915_engine_info(struct seq_file *m, void *unused)
3264 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3265 struct intel_engine_cs *engine;
3266 enum intel_engine_id id;
3267 struct drm_printer p;
3269 intel_runtime_pm_get(dev_priv);
3271 seq_printf(m, "GT awake? %s (epoch %u)\n",
3272 yesno(dev_priv->gt.awake), dev_priv->gt.epoch);
3273 seq_printf(m, "Global active requests: %d\n",
3274 dev_priv->gt.active_requests);
3275 seq_printf(m, "CS timestamp frequency: %u kHz\n",
3276 dev_priv->info.cs_timestamp_frequency_khz);
3278 p = drm_seq_file_printer(m);
3279 for_each_engine(engine, dev_priv, id)
3280 intel_engine_dump(engine, &p, "%s\n", engine->name);
3282 intel_runtime_pm_put(dev_priv);
3287 static int i915_rcs_topology(struct seq_file *m, void *unused)
3289 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3290 struct drm_printer p = drm_seq_file_printer(m);
3292 intel_device_info_dump_topology(&INTEL_INFO(dev_priv)->sseu, &p);
3297 static int i915_shrinker_info(struct seq_file *m, void *unused)
3299 struct drm_i915_private *i915 = node_to_i915(m->private);
3301 seq_printf(m, "seeks = %d\n", i915->mm.shrinker.seeks);
3302 seq_printf(m, "batch = %lu\n", i915->mm.shrinker.batch);
3307 static int i915_shared_dplls_info(struct seq_file *m, void *unused)
3309 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3310 struct drm_device *dev = &dev_priv->drm;
3313 drm_modeset_lock_all(dev);
3314 for (i = 0; i < dev_priv->num_shared_dpll; i++) {
3315 struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
3317 seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->info->name,
3319 seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
3320 pll->state.crtc_mask, pll->active_mask, yesno(pll->on));
3321 seq_printf(m, " tracked hardware state:\n");
3322 seq_printf(m, " dpll: 0x%08x\n", pll->state.hw_state.dpll);
3323 seq_printf(m, " dpll_md: 0x%08x\n",
3324 pll->state.hw_state.dpll_md);
3325 seq_printf(m, " fp0: 0x%08x\n", pll->state.hw_state.fp0);
3326 seq_printf(m, " fp1: 0x%08x\n", pll->state.hw_state.fp1);
3327 seq_printf(m, " wrpll: 0x%08x\n", pll->state.hw_state.wrpll);
3328 seq_printf(m, " cfgcr0: 0x%08x\n", pll->state.hw_state.cfgcr0);
3329 seq_printf(m, " cfgcr1: 0x%08x\n", pll->state.hw_state.cfgcr1);
3330 seq_printf(m, " mg_refclkin_ctl: 0x%08x\n",
3331 pll->state.hw_state.mg_refclkin_ctl);
3332 seq_printf(m, " mg_clktop2_coreclkctl1: 0x%08x\n",
3333 pll->state.hw_state.mg_clktop2_coreclkctl1);
3334 seq_printf(m, " mg_clktop2_hsclkctl: 0x%08x\n",
3335 pll->state.hw_state.mg_clktop2_hsclkctl);
3336 seq_printf(m, " mg_pll_div0: 0x%08x\n",
3337 pll->state.hw_state.mg_pll_div0);
3338 seq_printf(m, " mg_pll_div1: 0x%08x\n",
3339 pll->state.hw_state.mg_pll_div1);
3340 seq_printf(m, " mg_pll_lf: 0x%08x\n",
3341 pll->state.hw_state.mg_pll_lf);
3342 seq_printf(m, " mg_pll_frac_lock: 0x%08x\n",
3343 pll->state.hw_state.mg_pll_frac_lock);
3344 seq_printf(m, " mg_pll_ssc: 0x%08x\n",
3345 pll->state.hw_state.mg_pll_ssc);
3346 seq_printf(m, " mg_pll_bias: 0x%08x\n",
3347 pll->state.hw_state.mg_pll_bias);
3348 seq_printf(m, " mg_pll_tdc_coldst_bias: 0x%08x\n",
3349 pll->state.hw_state.mg_pll_tdc_coldst_bias);
3351 drm_modeset_unlock_all(dev);
3356 static int i915_wa_registers(struct seq_file *m, void *unused)
3358 struct i915_workarounds *wa = &node_to_i915(m->private)->workarounds;
3361 seq_printf(m, "Workarounds applied: %d\n", wa->count);
3362 for (i = 0; i < wa->count; ++i)
3363 seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
3364 wa->reg[i].addr, wa->reg[i].value, wa->reg[i].mask);
3369 static int i915_ipc_status_show(struct seq_file *m, void *data)
3371 struct drm_i915_private *dev_priv = m->private;
3373 seq_printf(m, "Isochronous Priority Control: %s\n",
3374 yesno(dev_priv->ipc_enabled));
3378 static int i915_ipc_status_open(struct inode *inode, struct file *file)
3380 struct drm_i915_private *dev_priv = inode->i_private;
3382 if (!HAS_IPC(dev_priv))
3385 return single_open(file, i915_ipc_status_show, dev_priv);
3388 static ssize_t i915_ipc_status_write(struct file *file, const char __user *ubuf,
3389 size_t len, loff_t *offp)
3391 struct seq_file *m = file->private_data;
3392 struct drm_i915_private *dev_priv = m->private;
3396 ret = kstrtobool_from_user(ubuf, len, &enable);
3400 intel_runtime_pm_get(dev_priv);
3401 if (!dev_priv->ipc_enabled && enable)
3402 DRM_INFO("Enabling IPC: WM will be proper only after next commit\n");
3403 dev_priv->wm.distrust_bios_wm = true;
3404 dev_priv->ipc_enabled = enable;
3405 intel_enable_ipc(dev_priv);
3406 intel_runtime_pm_put(dev_priv);
3411 static const struct file_operations i915_ipc_status_fops = {
3412 .owner = THIS_MODULE,
3413 .open = i915_ipc_status_open,
3415 .llseek = seq_lseek,
3416 .release = single_release,
3417 .write = i915_ipc_status_write
3420 static int i915_ddb_info(struct seq_file *m, void *unused)
3422 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3423 struct drm_device *dev = &dev_priv->drm;
3424 struct skl_ddb_allocation *ddb;
3425 struct skl_ddb_entry *entry;
3429 if (INTEL_GEN(dev_priv) < 9)
3432 drm_modeset_lock_all(dev);
3434 ddb = &dev_priv->wm.skl_hw.ddb;
3436 seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
3438 for_each_pipe(dev_priv, pipe) {
3439 seq_printf(m, "Pipe %c\n", pipe_name(pipe));
3441 for_each_universal_plane(dev_priv, pipe, plane) {
3442 entry = &ddb->plane[pipe][plane];
3443 seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1,
3444 entry->start, entry->end,
3445 skl_ddb_entry_size(entry));
3448 entry = &ddb->plane[pipe][PLANE_CURSOR];
3449 seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start,
3450 entry->end, skl_ddb_entry_size(entry));
3453 drm_modeset_unlock_all(dev);
3458 static void drrs_status_per_crtc(struct seq_file *m,
3459 struct drm_device *dev,
3460 struct intel_crtc *intel_crtc)
3462 struct drm_i915_private *dev_priv = to_i915(dev);
3463 struct i915_drrs *drrs = &dev_priv->drrs;
3465 struct drm_connector *connector;
3466 struct drm_connector_list_iter conn_iter;
3468 drm_connector_list_iter_begin(dev, &conn_iter);
3469 drm_for_each_connector_iter(connector, &conn_iter) {
3470 if (connector->state->crtc != &intel_crtc->base)
3473 seq_printf(m, "%s:\n", connector->name);
3475 drm_connector_list_iter_end(&conn_iter);
3477 if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT)
3478 seq_puts(m, "\tVBT: DRRS_type: Static");
3479 else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT)
3480 seq_puts(m, "\tVBT: DRRS_type: Seamless");
3481 else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED)
3482 seq_puts(m, "\tVBT: DRRS_type: None");
3484 seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value");
3486 seq_puts(m, "\n\n");
3488 if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) {
3489 struct intel_panel *panel;
3491 mutex_lock(&drrs->mutex);
3492 /* DRRS Supported */
3493 seq_puts(m, "\tDRRS Supported: Yes\n");
3495 /* disable_drrs() will make drrs->dp NULL */
3497 seq_puts(m, "Idleness DRRS: Disabled\n");
3498 if (dev_priv->psr.enabled)
3500 "\tAs PSR is enabled, DRRS is not enabled\n");
3501 mutex_unlock(&drrs->mutex);
3505 panel = &drrs->dp->attached_connector->panel;
3506 seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X",
3507 drrs->busy_frontbuffer_bits);
3509 seq_puts(m, "\n\t\t");
3510 if (drrs->refresh_rate_type == DRRS_HIGH_RR) {
3511 seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n");
3512 vrefresh = panel->fixed_mode->vrefresh;
3513 } else if (drrs->refresh_rate_type == DRRS_LOW_RR) {
3514 seq_puts(m, "DRRS_State: DRRS_LOW_RR\n");
3515 vrefresh = panel->downclock_mode->vrefresh;
3517 seq_printf(m, "DRRS_State: Unknown(%d)\n",
3518 drrs->refresh_rate_type);
3519 mutex_unlock(&drrs->mutex);
3522 seq_printf(m, "\t\tVrefresh: %d", vrefresh);
3524 seq_puts(m, "\n\t\t");
3525 mutex_unlock(&drrs->mutex);
3527 /* DRRS not supported. Print the VBT parameter*/
3528 seq_puts(m, "\tDRRS Supported : No");
3533 static int i915_drrs_status(struct seq_file *m, void *unused)
3535 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3536 struct drm_device *dev = &dev_priv->drm;
3537 struct intel_crtc *intel_crtc;
3538 int active_crtc_cnt = 0;
3540 drm_modeset_lock_all(dev);
3541 for_each_intel_crtc(dev, intel_crtc) {
3542 if (intel_crtc->base.state->active) {
3544 seq_printf(m, "\nCRTC %d: ", active_crtc_cnt);
3546 drrs_status_per_crtc(m, dev, intel_crtc);
3549 drm_modeset_unlock_all(dev);
3551 if (!active_crtc_cnt)
3552 seq_puts(m, "No active crtc found\n");
3557 static int i915_dp_mst_info(struct seq_file *m, void *unused)
3559 struct drm_i915_private *dev_priv = node_to_i915(m->private);
3560 struct drm_device *dev = &dev_priv->drm;
3561 struct intel_encoder *intel_encoder;
3562 struct intel_digital_port *intel_dig_port;
3563 struct drm_connector *connector;
3564 struct drm_connector_list_iter conn_iter;
3566 drm_connector_list_iter_begin(dev, &conn_iter);
3567 drm_for_each_connector_iter(connector, &conn_iter) {
3568 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
3571 intel_encoder = intel_attached_encoder(connector);
3572 if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST)
3575 intel_dig_port = enc_to_dig_port(&intel_encoder->base);
3576 if (!intel_dig_port->dp.can_mst)
3579 seq_printf(m, "MST Source Port %c\n",
3580 port_name(intel_dig_port->base.port));
3581 drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
3583 drm_connector_list_iter_end(&conn_iter);
3588 static ssize_t i915_displayport_test_active_write(struct file *file,
3589 const char __user *ubuf,
3590 size_t len, loff_t *offp)
3594 struct drm_device *dev;
3595 struct drm_connector *connector;
3596 struct drm_connector_list_iter conn_iter;
3597 struct intel_dp *intel_dp;
3600 dev = ((struct seq_file *)file->private_data)->private;
3605 input_buffer = memdup_user_nul(ubuf, len);
3606 if (IS_ERR(input_buffer))
3607 return PTR_ERR(input_buffer);
3609 DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len);
3611 drm_connector_list_iter_begin(dev, &conn_iter);
3612 drm_for_each_connector_iter(connector, &conn_iter) {
3613 struct intel_encoder *encoder;
3615 if (connector->connector_type !=
3616 DRM_MODE_CONNECTOR_DisplayPort)
3619 encoder = to_intel_encoder(connector->encoder);
3620 if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
3623 if (encoder && connector->status == connector_status_connected) {
3624 intel_dp = enc_to_intel_dp(&encoder->base);
3625 status = kstrtoint(input_buffer, 10, &val);
3628 DRM_DEBUG_DRIVER("Got %d for test active\n", val);
3629 /* To prevent erroneous activation of the compliance
3630 * testing code, only accept an actual value of 1 here
3633 intel_dp->compliance.test_active = 1;
3635 intel_dp->compliance.test_active = 0;
3638 drm_connector_list_iter_end(&conn_iter);
3639 kfree(input_buffer);
3647 static int i915_displayport_test_active_show(struct seq_file *m, void *data)
3649 struct drm_i915_private *dev_priv = m->private;
3650 struct drm_device *dev = &dev_priv->drm;
3651 struct drm_connector *connector;
3652 struct drm_connector_list_iter conn_iter;
3653 struct intel_dp *intel_dp;
3655 drm_connector_list_iter_begin(dev, &conn_iter);
3656 drm_for_each_connector_iter(connector, &conn_iter) {
3657 struct intel_encoder *encoder;
3659 if (connector->connector_type !=
3660 DRM_MODE_CONNECTOR_DisplayPort)
3663 encoder = to_intel_encoder(connector->encoder);
3664 if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
3667 if (encoder && connector->status == connector_status_connected) {
3668 intel_dp = enc_to_intel_dp(&encoder->base);
3669 if (intel_dp->compliance.test_active)
3676 drm_connector_list_iter_end(&conn_iter);
3681 static int i915_displayport_test_active_open(struct inode *inode,
3684 return single_open(file, i915_displayport_test_active_show,
3688 static const struct file_operations i915_displayport_test_active_fops = {
3689 .owner = THIS_MODULE,
3690 .open = i915_displayport_test_active_open,
3692 .llseek = seq_lseek,
3693 .release = single_release,
3694 .write = i915_displayport_test_active_write
3697 static int i915_displayport_test_data_show(struct seq_file *m, void *data)
3699 struct drm_i915_private *dev_priv = m->private;
3700 struct drm_device *dev = &dev_priv->drm;
3701 struct drm_connector *connector;
3702 struct drm_connector_list_iter conn_iter;
3703 struct intel_dp *intel_dp;
3705 drm_connector_list_iter_begin(dev, &conn_iter);
3706 drm_for_each_connector_iter(connector, &conn_iter) {
3707 struct intel_encoder *encoder;
3709 if (connector->connector_type !=
3710 DRM_MODE_CONNECTOR_DisplayPort)
3713 encoder = to_intel_encoder(connector->encoder);
3714 if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
3717 if (encoder && connector->status == connector_status_connected) {
3718 intel_dp = enc_to_intel_dp(&encoder->base);
3719 if (intel_dp->compliance.test_type ==
3720 DP_TEST_LINK_EDID_READ)
3721 seq_printf(m, "%lx",
3722 intel_dp->compliance.test_data.edid);
3723 else if (intel_dp->compliance.test_type ==
3724 DP_TEST_LINK_VIDEO_PATTERN) {
3725 seq_printf(m, "hdisplay: %d\n",
3726 intel_dp->compliance.test_data.hdisplay);
3727 seq_printf(m, "vdisplay: %d\n",
3728 intel_dp->compliance.test_data.vdisplay);
3729 seq_printf(m, "bpc: %u\n",
3730 intel_dp->compliance.test_data.bpc);
3735 drm_connector_list_iter_end(&conn_iter);
3739 DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_data);
3741 static int i915_displayport_test_type_show(struct seq_file *m, void *data)
3743 struct drm_i915_private *dev_priv = m->private;
3744 struct drm_device *dev = &dev_priv->drm;
3745 struct drm_connector *connector;
3746 struct drm_connector_list_iter conn_iter;
3747 struct intel_dp *intel_dp;
3749 drm_connector_list_iter_begin(dev, &conn_iter);
3750 drm_for_each_connector_iter(connector, &conn_iter) {
3751 struct intel_encoder *encoder;
3753 if (connector->connector_type !=
3754 DRM_MODE_CONNECTOR_DisplayPort)
3757 encoder = to_intel_encoder(connector->encoder);
3758 if (encoder && encoder->type == INTEL_OUTPUT_DP_MST)
3761 if (encoder && connector->status == connector_status_connected) {
3762 intel_dp = enc_to_intel_dp(&encoder->base);
3763 seq_printf(m, "%02lx", intel_dp->compliance.test_type);
3767 drm_connector_list_iter_end(&conn_iter);
3771 DEFINE_SHOW_ATTRIBUTE(i915_displayport_test_type);
3773 static void wm_latency_show(struct seq_file *m, const uint16_t wm[8])
3775 struct drm_i915_private *dev_priv = m->private;
3776 struct drm_device *dev = &dev_priv->drm;
3780 if (IS_CHERRYVIEW(dev_priv))
3782 else if (IS_VALLEYVIEW(dev_priv))
3784 else if (IS_G4X(dev_priv))
3787 num_levels = ilk_wm_max_level(dev_priv) + 1;
3789 drm_modeset_lock_all(dev);
3791 for (level = 0; level < num_levels; level++) {
3792 unsigned int latency = wm[level];
3795 * - WM1+ latency values in 0.5us units
3796 * - latencies are in us on gen9/vlv/chv
3798 if (INTEL_GEN(dev_priv) >= 9 ||
3799 IS_VALLEYVIEW(dev_priv) ||
3800 IS_CHERRYVIEW(dev_priv) ||
3806 seq_printf(m, "WM%d %u (%u.%u usec)\n",
3807 level, wm[level], latency / 10, latency % 10);
3810 drm_modeset_unlock_all(dev);
3813 static int pri_wm_latency_show(struct seq_file *m, void *data)
3815 struct drm_i915_private *dev_priv = m->private;
3816 const uint16_t *latencies;
3818 if (INTEL_GEN(dev_priv) >= 9)
3819 latencies = dev_priv->wm.skl_latency;
3821 latencies = dev_priv->wm.pri_latency;
3823 wm_latency_show(m, latencies);
3828 static int spr_wm_latency_show(struct seq_file *m, void *data)
3830 struct drm_i915_private *dev_priv = m->private;
3831 const uint16_t *latencies;
3833 if (INTEL_GEN(dev_priv) >= 9)
3834 latencies = dev_priv->wm.skl_latency;
3836 latencies = dev_priv->wm.spr_latency;
3838 wm_latency_show(m, latencies);
3843 static int cur_wm_latency_show(struct seq_file *m, void *data)
3845 struct drm_i915_private *dev_priv = m->private;
3846 const uint16_t *latencies;
3848 if (INTEL_GEN(dev_priv) >= 9)
3849 latencies = dev_priv->wm.skl_latency;
3851 latencies = dev_priv->wm.cur_latency;
3853 wm_latency_show(m, latencies);
3858 static int pri_wm_latency_open(struct inode *inode, struct file *file)
3860 struct drm_i915_private *dev_priv = inode->i_private;
3862 if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv))
3865 return single_open(file, pri_wm_latency_show, dev_priv);
3868 static int spr_wm_latency_open(struct inode *inode, struct file *file)
3870 struct drm_i915_private *dev_priv = inode->i_private;
3872 if (HAS_GMCH_DISPLAY(dev_priv))
3875 return single_open(file, spr_wm_latency_show, dev_priv);
3878 static int cur_wm_latency_open(struct inode *inode, struct file *file)
3880 struct drm_i915_private *dev_priv = inode->i_private;
3882 if (HAS_GMCH_DISPLAY(dev_priv))
3885 return single_open(file, cur_wm_latency_show, dev_priv);
3888 static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
3889 size_t len, loff_t *offp, uint16_t wm[8])
3891 struct seq_file *m = file->private_data;
3892 struct drm_i915_private *dev_priv = m->private;
3893 struct drm_device *dev = &dev_priv->drm;
3894 uint16_t new[8] = { 0 };
3900 if (IS_CHERRYVIEW(dev_priv))
3902 else if (IS_VALLEYVIEW(dev_priv))
3904 else if (IS_G4X(dev_priv))
3907 num_levels = ilk_wm_max_level(dev_priv) + 1;
3909 if (len >= sizeof(tmp))
3912 if (copy_from_user(tmp, ubuf, len))
3917 ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu",
3918 &new[0], &new[1], &new[2], &new[3],
3919 &new[4], &new[5], &new[6], &new[7]);
3920 if (ret != num_levels)
3923 drm_modeset_lock_all(dev);
3925 for (level = 0; level < num_levels; level++)
3926 wm[level] = new[level];
3928 drm_modeset_unlock_all(dev);
3934 static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
3935 size_t len, loff_t *offp)
3937 struct seq_file *m = file->private_data;
3938 struct drm_i915_private *dev_priv = m->private;
3939 uint16_t *latencies;
3941 if (INTEL_GEN(dev_priv) >= 9)
3942 latencies = dev_priv->wm.skl_latency;
3944 latencies = dev_priv->wm.pri_latency;
3946 return wm_latency_write(file, ubuf, len, offp, latencies);
3949 static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
3950 size_t len, loff_t *offp)
3952 struct seq_file *m = file->private_data;
3953 struct drm_i915_private *dev_priv = m->private;
3954 uint16_t *latencies;
3956 if (INTEL_GEN(dev_priv) >= 9)
3957 latencies = dev_priv->wm.skl_latency;
3959 latencies = dev_priv->wm.spr_latency;
3961 return wm_latency_write(file, ubuf, len, offp, latencies);
3964 static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
3965 size_t len, loff_t *offp)
3967 struct seq_file *m = file->private_data;
3968 struct drm_i915_private *dev_priv = m->private;
3969 uint16_t *latencies;
3971 if (INTEL_GEN(dev_priv) >= 9)
3972 latencies = dev_priv->wm.skl_latency;
3974 latencies = dev_priv->wm.cur_latency;
3976 return wm_latency_write(file, ubuf, len, offp, latencies);
3979 static const struct file_operations i915_pri_wm_latency_fops = {
3980 .owner = THIS_MODULE,
3981 .open = pri_wm_latency_open,
3983 .llseek = seq_lseek,
3984 .release = single_release,
3985 .write = pri_wm_latency_write
3988 static const struct file_operations i915_spr_wm_latency_fops = {
3989 .owner = THIS_MODULE,
3990 .open = spr_wm_latency_open,
3992 .llseek = seq_lseek,
3993 .release = single_release,
3994 .write = spr_wm_latency_write
3997 static const struct file_operations i915_cur_wm_latency_fops = {
3998 .owner = THIS_MODULE,
3999 .open = cur_wm_latency_open,
4001 .llseek = seq_lseek,
4002 .release = single_release,
4003 .write = cur_wm_latency_write
4007 i915_wedged_get(void *data, u64 *val)
4009 struct drm_i915_private *dev_priv = data;
4011 *val = i915_terminally_wedged(&dev_priv->gpu_error);
4017 i915_wedged_set(void *data, u64 val)
4019 struct drm_i915_private *i915 = data;
4020 struct intel_engine_cs *engine;
4024 * There is no safeguard against this debugfs entry colliding
4025 * with the hangcheck calling same i915_handle_error() in
4026 * parallel, causing an explosion. For now we assume that the
4027 * test harness is responsible enough not to inject gpu hangs
4028 * while it is writing to 'i915_wedged'
4031 if (i915_reset_backoff(&i915->gpu_error))
4034 for_each_engine_masked(engine, i915, val, tmp) {
4035 engine->hangcheck.seqno = intel_engine_get_seqno(engine);
4036 engine->hangcheck.stalled = true;
4039 i915_handle_error(i915, val, I915_ERROR_CAPTURE,
4040 "Manually set wedged engine mask = %llx", val);
4042 wait_on_bit(&i915->gpu_error.flags,
4044 TASK_UNINTERRUPTIBLE);
4049 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops,
4050 i915_wedged_get, i915_wedged_set,
4054 fault_irq_set(struct drm_i915_private *i915,
4060 err = mutex_lock_interruptible(&i915->drm.struct_mutex);
4064 err = i915_gem_wait_for_idle(i915,
4066 I915_WAIT_INTERRUPTIBLE,
4067 MAX_SCHEDULE_TIMEOUT);
4072 mutex_unlock(&i915->drm.struct_mutex);
4074 /* Flush idle worker to disarm irq */
4075 drain_delayed_work(&i915->gt.idle_work);
4080 mutex_unlock(&i915->drm.struct_mutex);
4085 i915_ring_missed_irq_get(void *data, u64 *val)
4087 struct drm_i915_private *dev_priv = data;
4089 *val = dev_priv->gpu_error.missed_irq_rings;
4094 i915_ring_missed_irq_set(void *data, u64 val)
4096 struct drm_i915_private *i915 = data;
4098 return fault_irq_set(i915, &i915->gpu_error.missed_irq_rings, val);
4101 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops,
4102 i915_ring_missed_irq_get, i915_ring_missed_irq_set,
4106 i915_ring_test_irq_get(void *data, u64 *val)
4108 struct drm_i915_private *dev_priv = data;
4110 *val = dev_priv->gpu_error.test_irq_rings;
4116 i915_ring_test_irq_set(void *data, u64 val)
4118 struct drm_i915_private *i915 = data;
4120 /* GuC keeps the user interrupt permanently enabled for submission */
4121 if (USES_GUC_SUBMISSION(i915))
4125 * From icl, we can no longer individually mask interrupt generation
4128 if (INTEL_GEN(i915) >= 11)
4131 val &= INTEL_INFO(i915)->ring_mask;
4132 DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val);
4134 return fault_irq_set(i915, &i915->gpu_error.test_irq_rings, val);
4137 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops,
4138 i915_ring_test_irq_get, i915_ring_test_irq_set,
4141 #define DROP_UNBOUND BIT(0)
4142 #define DROP_BOUND BIT(1)
4143 #define DROP_RETIRE BIT(2)
4144 #define DROP_ACTIVE BIT(3)
4145 #define DROP_FREED BIT(4)
4146 #define DROP_SHRINK_ALL BIT(5)
4147 #define DROP_IDLE BIT(6)
4148 #define DROP_RESET_ACTIVE BIT(7)
4149 #define DROP_RESET_SEQNO BIT(8)
4150 #define DROP_ALL (DROP_UNBOUND | \
4157 DROP_RESET_ACTIVE | \
4160 i915_drop_caches_get(void *data, u64 *val)
4168 i915_drop_caches_set(void *data, u64 val)
4170 struct drm_i915_private *i915 = data;
4173 DRM_DEBUG("Dropping caches: 0x%08llx [0x%08llx]\n",
4174 val, val & DROP_ALL);
4176 if (val & DROP_RESET_ACTIVE && !intel_engines_are_idle(i915))
4177 i915_gem_set_wedged(i915);
4179 /* No need to check and wait for gpu resets, only libdrm auto-restarts
4180 * on ioctls on -EAGAIN. */
4181 if (val & (DROP_ACTIVE | DROP_RETIRE | DROP_RESET_SEQNO)) {
4182 ret = mutex_lock_interruptible(&i915->drm.struct_mutex);
4186 if (val & DROP_ACTIVE)
4187 ret = i915_gem_wait_for_idle(i915,
4188 I915_WAIT_INTERRUPTIBLE |
4190 MAX_SCHEDULE_TIMEOUT);
4192 if (ret == 0 && val & DROP_RESET_SEQNO) {
4193 intel_runtime_pm_get(i915);
4194 ret = i915_gem_set_global_seqno(&i915->drm, 1);
4195 intel_runtime_pm_put(i915);
4198 if (val & DROP_RETIRE)
4199 i915_retire_requests(i915);
4201 mutex_unlock(&i915->drm.struct_mutex);
4204 if (val & DROP_RESET_ACTIVE &&
4205 i915_terminally_wedged(&i915->gpu_error)) {
4206 i915_handle_error(i915, ALL_ENGINES, 0, NULL);
4207 wait_on_bit(&i915->gpu_error.flags,
4209 TASK_UNINTERRUPTIBLE);
4212 fs_reclaim_acquire(GFP_KERNEL);
4213 if (val & DROP_BOUND)
4214 i915_gem_shrink(i915, LONG_MAX, NULL, I915_SHRINK_BOUND);
4216 if (val & DROP_UNBOUND)
4217 i915_gem_shrink(i915, LONG_MAX, NULL, I915_SHRINK_UNBOUND);
4219 if (val & DROP_SHRINK_ALL)
4220 i915_gem_shrink_all(i915);
4221 fs_reclaim_release(GFP_KERNEL);
4223 if (val & DROP_IDLE) {
4225 if (READ_ONCE(i915->gt.active_requests))
4226 flush_delayed_work(&i915->gt.retire_work);
4227 drain_delayed_work(&i915->gt.idle_work);
4228 } while (READ_ONCE(i915->gt.awake));
4231 if (val & DROP_FREED)
4232 i915_gem_drain_freed_objects(i915);
4237 DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops,
4238 i915_drop_caches_get, i915_drop_caches_set,
4242 i915_cache_sharing_get(void *data, u64 *val)
4244 struct drm_i915_private *dev_priv = data;
4247 if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv)))
4250 intel_runtime_pm_get(dev_priv);
4252 snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
4254 intel_runtime_pm_put(dev_priv);
4256 *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT;
4262 i915_cache_sharing_set(void *data, u64 val)
4264 struct drm_i915_private *dev_priv = data;
4267 if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv)))
4273 intel_runtime_pm_get(dev_priv);
4274 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val);
4276 /* Update the cache sharing policy here as well */
4277 snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
4278 snpcr &= ~GEN6_MBC_SNPCR_MASK;
4279 snpcr |= (val << GEN6_MBC_SNPCR_SHIFT);
4280 I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr);
4282 intel_runtime_pm_put(dev_priv);
4286 DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops,
4287 i915_cache_sharing_get, i915_cache_sharing_set,
4290 static void cherryview_sseu_device_status(struct drm_i915_private *dev_priv,
4291 struct sseu_dev_info *sseu)
4294 const int ss_max = SS_MAX;
4295 u32 sig1[SS_MAX], sig2[SS_MAX];
4298 sig1[0] = I915_READ(CHV_POWER_SS0_SIG1);
4299 sig1[1] = I915_READ(CHV_POWER_SS1_SIG1);
4300 sig2[0] = I915_READ(CHV_POWER_SS0_SIG2);
4301 sig2[1] = I915_READ(CHV_POWER_SS1_SIG2);
4303 for (ss = 0; ss < ss_max; ss++) {
4304 unsigned int eu_cnt;
4306 if (sig1[ss] & CHV_SS_PG_ENABLE)
4307 /* skip disabled subslice */
4310 sseu->slice_mask = BIT(0);
4311 sseu->subslice_mask[0] |= BIT(ss);
4312 eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) +
4313 ((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) +
4314 ((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) +
4315 ((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2);
4316 sseu->eu_total += eu_cnt;
4317 sseu->eu_per_subslice = max_t(unsigned int,
4318 sseu->eu_per_subslice, eu_cnt);
4323 static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
4324 struct sseu_dev_info *sseu)
4327 const struct intel_device_info *info = INTEL_INFO(dev_priv);
4328 u32 s_reg[SS_MAX], eu_reg[2 * SS_MAX], eu_mask[2];
4331 for (s = 0; s < info->sseu.max_slices; s++) {
4333 * FIXME: Valid SS Mask respects the spec and read
4334 * only valid bits for those registers, excluding reserverd
4335 * although this seems wrong because it would leave many
4336 * subslices without ACK.
4338 s_reg[s] = I915_READ(GEN10_SLICE_PGCTL_ACK(s)) &
4339 GEN10_PGCTL_VALID_SS_MASK(s);
4340 eu_reg[2 * s] = I915_READ(GEN10_SS01_EU_PGCTL_ACK(s));
4341 eu_reg[2 * s + 1] = I915_READ(GEN10_SS23_EU_PGCTL_ACK(s));
4344 eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK |
4345 GEN9_PGCTL_SSA_EU19_ACK |
4346 GEN9_PGCTL_SSA_EU210_ACK |
4347 GEN9_PGCTL_SSA_EU311_ACK;
4348 eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK |
4349 GEN9_PGCTL_SSB_EU19_ACK |
4350 GEN9_PGCTL_SSB_EU210_ACK |
4351 GEN9_PGCTL_SSB_EU311_ACK;
4353 for (s = 0; s < info->sseu.max_slices; s++) {
4354 if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
4355 /* skip disabled slice */
4358 sseu->slice_mask |= BIT(s);
4359 sseu->subslice_mask[s] = info->sseu.subslice_mask[s];
4361 for (ss = 0; ss < info->sseu.max_subslices; ss++) {
4362 unsigned int eu_cnt;
4364 if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss))))
4365 /* skip disabled subslice */
4368 eu_cnt = 2 * hweight32(eu_reg[2 * s + ss / 2] &
4370 sseu->eu_total += eu_cnt;
4371 sseu->eu_per_subslice = max_t(unsigned int,
4372 sseu->eu_per_subslice,
4379 static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
4380 struct sseu_dev_info *sseu)
4383 const struct intel_device_info *info = INTEL_INFO(dev_priv);
4384 u32 s_reg[SS_MAX], eu_reg[2 * SS_MAX], eu_mask[2];
4387 for (s = 0; s < info->sseu.max_slices; s++) {
4388 s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s));
4389 eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s));
4390 eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s));
4393 eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK |
4394 GEN9_PGCTL_SSA_EU19_ACK |
4395 GEN9_PGCTL_SSA_EU210_ACK |
4396 GEN9_PGCTL_SSA_EU311_ACK;
4397 eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK |
4398 GEN9_PGCTL_SSB_EU19_ACK |
4399 GEN9_PGCTL_SSB_EU210_ACK |
4400 GEN9_PGCTL_SSB_EU311_ACK;
4402 for (s = 0; s < info->sseu.max_slices; s++) {
4403 if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
4404 /* skip disabled slice */
4407 sseu->slice_mask |= BIT(s);
4409 if (IS_GEN9_BC(dev_priv))
4410 sseu->subslice_mask[s] =
4411 INTEL_INFO(dev_priv)->sseu.subslice_mask[s];
4413 for (ss = 0; ss < info->sseu.max_subslices; ss++) {
4414 unsigned int eu_cnt;
4416 if (IS_GEN9_LP(dev_priv)) {
4417 if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss))))
4418 /* skip disabled subslice */
4421 sseu->subslice_mask[s] |= BIT(ss);
4424 eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] &
4426 sseu->eu_total += eu_cnt;
4427 sseu->eu_per_subslice = max_t(unsigned int,
4428 sseu->eu_per_subslice,
4435 static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv,
4436 struct sseu_dev_info *sseu)
4438 u32 slice_info = I915_READ(GEN8_GT_SLICE_INFO);
4441 sseu->slice_mask = slice_info & GEN8_LSLICESTAT_MASK;
4443 if (sseu->slice_mask) {
4444 sseu->eu_per_subslice =
4445 INTEL_INFO(dev_priv)->sseu.eu_per_subslice;
4446 for (s = 0; s < fls(sseu->slice_mask); s++) {
4447 sseu->subslice_mask[s] =
4448 INTEL_INFO(dev_priv)->sseu.subslice_mask[s];
4450 sseu->eu_total = sseu->eu_per_subslice *
4451 sseu_subslice_total(sseu);
4453 /* subtract fused off EU(s) from enabled slice(s) */
4454 for (s = 0; s < fls(sseu->slice_mask); s++) {
4456 INTEL_INFO(dev_priv)->sseu.subslice_7eu[s];
4458 sseu->eu_total -= hweight8(subslice_7eu);
4463 static void i915_print_sseu_info(struct seq_file *m, bool is_available_info,
4464 const struct sseu_dev_info *sseu)
4466 struct drm_i915_private *dev_priv = node_to_i915(m->private);
4467 const char *type = is_available_info ? "Available" : "Enabled";
4470 seq_printf(m, " %s Slice Mask: %04x\n", type,
4472 seq_printf(m, " %s Slice Total: %u\n", type,
4473 hweight8(sseu->slice_mask));
4474 seq_printf(m, " %s Subslice Total: %u\n", type,
4475 sseu_subslice_total(sseu));
4476 for (s = 0; s < fls(sseu->slice_mask); s++) {
4477 seq_printf(m, " %s Slice%i subslices: %u\n", type,
4478 s, hweight8(sseu->subslice_mask[s]));
4480 seq_printf(m, " %s EU Total: %u\n", type,
4482 seq_printf(m, " %s EU Per Subslice: %u\n", type,
4483 sseu->eu_per_subslice);
4485 if (!is_available_info)
4488 seq_printf(m, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev_priv)));
4489 if (HAS_POOLED_EU(dev_priv))
4490 seq_printf(m, " Min EU in pool: %u\n", sseu->min_eu_in_pool);
4492 seq_printf(m, " Has Slice Power Gating: %s\n",
4493 yesno(sseu->has_slice_pg));
4494 seq_printf(m, " Has Subslice Power Gating: %s\n",
4495 yesno(sseu->has_subslice_pg));
4496 seq_printf(m, " Has EU Power Gating: %s\n",
4497 yesno(sseu->has_eu_pg));
4500 static int i915_sseu_status(struct seq_file *m, void *unused)
4502 struct drm_i915_private *dev_priv = node_to_i915(m->private);
4503 struct sseu_dev_info sseu;
4505 if (INTEL_GEN(dev_priv) < 8)
4508 seq_puts(m, "SSEU Device Info\n");
4509 i915_print_sseu_info(m, true, &INTEL_INFO(dev_priv)->sseu);
4511 seq_puts(m, "SSEU Device Status\n");
4512 memset(&sseu, 0, sizeof(sseu));
4513 sseu.max_slices = INTEL_INFO(dev_priv)->sseu.max_slices;
4514 sseu.max_subslices = INTEL_INFO(dev_priv)->sseu.max_subslices;
4515 sseu.max_eus_per_subslice =
4516 INTEL_INFO(dev_priv)->sseu.max_eus_per_subslice;
4518 intel_runtime_pm_get(dev_priv);
4520 if (IS_CHERRYVIEW(dev_priv)) {
4521 cherryview_sseu_device_status(dev_priv, &sseu);
4522 } else if (IS_BROADWELL(dev_priv)) {
4523 broadwell_sseu_device_status(dev_priv, &sseu);
4524 } else if (IS_GEN9(dev_priv)) {
4525 gen9_sseu_device_status(dev_priv, &sseu);
4526 } else if (INTEL_GEN(dev_priv) >= 10) {
4527 gen10_sseu_device_status(dev_priv, &sseu);
4530 intel_runtime_pm_put(dev_priv);
4532 i915_print_sseu_info(m, false, &sseu);
4537 static int i915_forcewake_open(struct inode *inode, struct file *file)
4539 struct drm_i915_private *i915 = inode->i_private;
4541 if (INTEL_GEN(i915) < 6)
4544 intel_runtime_pm_get(i915);
4545 intel_uncore_forcewake_user_get(i915);
4550 static int i915_forcewake_release(struct inode *inode, struct file *file)
4552 struct drm_i915_private *i915 = inode->i_private;
4554 if (INTEL_GEN(i915) < 6)
4557 intel_uncore_forcewake_user_put(i915);
4558 intel_runtime_pm_put(i915);
4563 static const struct file_operations i915_forcewake_fops = {
4564 .owner = THIS_MODULE,
4565 .open = i915_forcewake_open,
4566 .release = i915_forcewake_release,
4569 static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
4571 struct drm_i915_private *dev_priv = m->private;
4572 struct i915_hotplug *hotplug = &dev_priv->hotplug;
4574 seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold);
4575 seq_printf(m, "Detected: %s\n",
4576 yesno(delayed_work_pending(&hotplug->reenable_work)));
4581 static ssize_t i915_hpd_storm_ctl_write(struct file *file,
4582 const char __user *ubuf, size_t len,
4585 struct seq_file *m = file->private_data;
4586 struct drm_i915_private *dev_priv = m->private;
4587 struct i915_hotplug *hotplug = &dev_priv->hotplug;
4588 unsigned int new_threshold;
4593 if (len >= sizeof(tmp))
4596 if (copy_from_user(tmp, ubuf, len))
4601 /* Strip newline, if any */
4602 newline = strchr(tmp, '\n');
4606 if (strcmp(tmp, "reset") == 0)
4607 new_threshold = HPD_STORM_DEFAULT_THRESHOLD;
4608 else if (kstrtouint(tmp, 10, &new_threshold) != 0)
4611 if (new_threshold > 0)
4612 DRM_DEBUG_KMS("Setting HPD storm detection threshold to %d\n",
4615 DRM_DEBUG_KMS("Disabling HPD storm detection\n");
4617 spin_lock_irq(&dev_priv->irq_lock);
4618 hotplug->hpd_storm_threshold = new_threshold;
4619 /* Reset the HPD storm stats so we don't accidentally trigger a storm */
4621 hotplug->stats[i].count = 0;
4622 spin_unlock_irq(&dev_priv->irq_lock);
4624 /* Re-enable hpd immediately if we were in an irq storm */
4625 flush_delayed_work(&dev_priv->hotplug.reenable_work);
4630 static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
4632 return single_open(file, i915_hpd_storm_ctl_show, inode->i_private);
4635 static const struct file_operations i915_hpd_storm_ctl_fops = {
4636 .owner = THIS_MODULE,
4637 .open = i915_hpd_storm_ctl_open,
4639 .llseek = seq_lseek,
4640 .release = single_release,
4641 .write = i915_hpd_storm_ctl_write
4644 static int i915_drrs_ctl_set(void *data, u64 val)
4646 struct drm_i915_private *dev_priv = data;
4647 struct drm_device *dev = &dev_priv->drm;
4648 struct intel_crtc *intel_crtc;
4649 struct intel_encoder *encoder;
4650 struct intel_dp *intel_dp;
4652 if (INTEL_GEN(dev_priv) < 7)
4655 drm_modeset_lock_all(dev);
4656 for_each_intel_crtc(dev, intel_crtc) {
4657 if (!intel_crtc->base.state->active ||
4658 !intel_crtc->config->has_drrs)
4661 for_each_encoder_on_crtc(dev, &intel_crtc->base, encoder) {
4662 if (encoder->type != INTEL_OUTPUT_EDP)
4665 DRM_DEBUG_DRIVER("Manually %sabling DRRS. %llu\n",
4666 val ? "en" : "dis", val);
4668 intel_dp = enc_to_intel_dp(&encoder->base);
4670 intel_edp_drrs_enable(intel_dp,
4671 intel_crtc->config);
4673 intel_edp_drrs_disable(intel_dp,
4674 intel_crtc->config);
4677 drm_modeset_unlock_all(dev);
4682 DEFINE_SIMPLE_ATTRIBUTE(i915_drrs_ctl_fops, NULL, i915_drrs_ctl_set, "%llu\n");
4685 i915_fifo_underrun_reset_write(struct file *filp,
4686 const char __user *ubuf,
4687 size_t cnt, loff_t *ppos)
4689 struct drm_i915_private *dev_priv = filp->private_data;
4690 struct intel_crtc *intel_crtc;
4691 struct drm_device *dev = &dev_priv->drm;
4695 ret = kstrtobool_from_user(ubuf, cnt, &reset);
4702 for_each_intel_crtc(dev, intel_crtc) {
4703 struct drm_crtc_commit *commit;
4704 struct intel_crtc_state *crtc_state;
4706 ret = drm_modeset_lock_single_interruptible(&intel_crtc->base.mutex);
4710 crtc_state = to_intel_crtc_state(intel_crtc->base.state);
4711 commit = crtc_state->base.commit;
4713 ret = wait_for_completion_interruptible(&commit->hw_done);
4715 ret = wait_for_completion_interruptible(&commit->flip_done);
4718 if (!ret && crtc_state->base.active) {
4719 DRM_DEBUG_KMS("Re-arming FIFO underruns on pipe %c\n",
4720 pipe_name(intel_crtc->pipe));
4722 intel_crtc_arm_fifo_underrun(intel_crtc, crtc_state);
4725 drm_modeset_unlock(&intel_crtc->base.mutex);
4731 ret = intel_fbc_reset_underrun(dev_priv);
4738 static const struct file_operations i915_fifo_underrun_reset_ops = {
4739 .owner = THIS_MODULE,
4740 .open = simple_open,
4741 .write = i915_fifo_underrun_reset_write,
4742 .llseek = default_llseek,
4745 static const struct drm_info_list i915_debugfs_list[] = {
4746 {"i915_capabilities", i915_capabilities, 0},
4747 {"i915_gem_objects", i915_gem_object_info, 0},
4748 {"i915_gem_gtt", i915_gem_gtt_info, 0},
4749 {"i915_gem_stolen", i915_gem_stolen_list_info },
4750 {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
4751 {"i915_gem_interrupt", i915_interrupt_info, 0},
4752 {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0},
4753 {"i915_guc_info", i915_guc_info, 0},
4754 {"i915_guc_load_status", i915_guc_load_status_info, 0},
4755 {"i915_guc_log_dump", i915_guc_log_dump, 0},
4756 {"i915_guc_load_err_log_dump", i915_guc_log_dump, 0, (void *)1},
4757 {"i915_guc_stage_pool", i915_guc_stage_pool, 0},
4758 {"i915_huc_load_status", i915_huc_load_status_info, 0},
4759 {"i915_frequency_info", i915_frequency_info, 0},
4760 {"i915_hangcheck_info", i915_hangcheck_info, 0},
4761 {"i915_reset_info", i915_reset_info, 0},
4762 {"i915_drpc_info", i915_drpc_info, 0},
4763 {"i915_emon_status", i915_emon_status, 0},
4764 {"i915_ring_freq_table", i915_ring_freq_table, 0},
4765 {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
4766 {"i915_fbc_status", i915_fbc_status, 0},
4767 {"i915_ips_status", i915_ips_status, 0},
4768 {"i915_sr_status", i915_sr_status, 0},
4769 {"i915_opregion", i915_opregion, 0},
4770 {"i915_vbt", i915_vbt, 0},
4771 {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
4772 {"i915_context_status", i915_context_status, 0},
4773 {"i915_forcewake_domains", i915_forcewake_domains, 0},
4774 {"i915_swizzle_info", i915_swizzle_info, 0},
4775 {"i915_ppgtt_info", i915_ppgtt_info, 0},
4776 {"i915_llc", i915_llc, 0},
4777 {"i915_edp_psr_status", i915_edp_psr_status, 0},
4778 {"i915_energy_uJ", i915_energy_uJ, 0},
4779 {"i915_runtime_pm_status", i915_runtime_pm_status, 0},
4780 {"i915_power_domain_info", i915_power_domain_info, 0},
4781 {"i915_dmc_info", i915_dmc_info, 0},
4782 {"i915_display_info", i915_display_info, 0},
4783 {"i915_engine_info", i915_engine_info, 0},
4784 {"i915_rcs_topology", i915_rcs_topology, 0},
4785 {"i915_shrinker_info", i915_shrinker_info, 0},
4786 {"i915_shared_dplls_info", i915_shared_dplls_info, 0},
4787 {"i915_dp_mst_info", i915_dp_mst_info, 0},
4788 {"i915_wa_registers", i915_wa_registers, 0},
4789 {"i915_ddb_info", i915_ddb_info, 0},
4790 {"i915_sseu_status", i915_sseu_status, 0},
4791 {"i915_drrs_status", i915_drrs_status, 0},
4792 {"i915_rps_boost_info", i915_rps_boost_info, 0},
4794 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
4796 static const struct i915_debugfs_files {
4798 const struct file_operations *fops;
4799 } i915_debugfs_files[] = {
4800 {"i915_wedged", &i915_wedged_fops},
4801 {"i915_cache_sharing", &i915_cache_sharing_fops},
4802 {"i915_ring_missed_irq", &i915_ring_missed_irq_fops},
4803 {"i915_ring_test_irq", &i915_ring_test_irq_fops},
4804 {"i915_gem_drop_caches", &i915_drop_caches_fops},
4805 #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
4806 {"i915_error_state", &i915_error_state_fops},
4807 {"i915_gpu_info", &i915_gpu_info_fops},
4809 {"i915_fifo_underrun_reset", &i915_fifo_underrun_reset_ops},
4810 {"i915_next_seqno", &i915_next_seqno_fops},
4811 {"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
4812 {"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
4813 {"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
4814 {"i915_fbc_false_color", &i915_fbc_false_color_fops},
4815 {"i915_dp_test_data", &i915_displayport_test_data_fops},
4816 {"i915_dp_test_type", &i915_displayport_test_type_fops},
4817 {"i915_dp_test_active", &i915_displayport_test_active_fops},
4818 {"i915_guc_log_level", &i915_guc_log_level_fops},
4819 {"i915_guc_log_relay", &i915_guc_log_relay_fops},
4820 {"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops},
4821 {"i915_ipc_status", &i915_ipc_status_fops},
4822 {"i915_drrs_ctl", &i915_drrs_ctl_fops},
4823 {"i915_edp_psr_debug", &i915_edp_psr_debug_fops}
4826 int i915_debugfs_register(struct drm_i915_private *dev_priv)
4828 struct drm_minor *minor = dev_priv->drm.primary;
4832 ent = debugfs_create_file("i915_forcewake_user", S_IRUSR,
4833 minor->debugfs_root, to_i915(minor->dev),
4834 &i915_forcewake_fops);
4838 for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) {
4839 ent = debugfs_create_file(i915_debugfs_files[i].name,
4841 minor->debugfs_root,
4842 to_i915(minor->dev),
4843 i915_debugfs_files[i].fops);
4848 return drm_debugfs_create_files(i915_debugfs_list,
4849 I915_DEBUGFS_ENTRIES,
4850 minor->debugfs_root, minor);
4854 /* DPCD dump start address. */
4855 unsigned int offset;
4856 /* DPCD dump end address, inclusive. If unset, .size will be used. */
4858 /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */
4860 /* Only valid for eDP. */
4864 static const struct dpcd_block i915_dpcd_debug[] = {
4865 { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE },
4866 { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS },
4867 { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 },
4868 { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET },
4869 { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 },
4870 { .offset = DP_SET_POWER },
4871 { .offset = DP_EDP_DPCD_REV },
4872 { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 },
4873 { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB },
4874 { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET },
4877 static int i915_dpcd_show(struct seq_file *m, void *data)
4879 struct drm_connector *connector = m->private;
4880 struct intel_dp *intel_dp =
4881 enc_to_intel_dp(&intel_attached_encoder(connector)->base);
4886 if (connector->status != connector_status_connected)
4889 for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) {
4890 const struct dpcd_block *b = &i915_dpcd_debug[i];
4891 size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1);
4894 connector->connector_type != DRM_MODE_CONNECTOR_eDP)
4897 /* low tech for now */
4898 if (WARN_ON(size > sizeof(buf)))
4901 err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size);
4903 DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n",
4904 size, b->offset, err);
4908 seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf);
4913 DEFINE_SHOW_ATTRIBUTE(i915_dpcd);
4915 static int i915_panel_show(struct seq_file *m, void *data)
4917 struct drm_connector *connector = m->private;
4918 struct intel_dp *intel_dp =
4919 enc_to_intel_dp(&intel_attached_encoder(connector)->base);
4921 if (connector->status != connector_status_connected)
4924 seq_printf(m, "Panel power up delay: %d\n",
4925 intel_dp->panel_power_up_delay);
4926 seq_printf(m, "Panel power down delay: %d\n",
4927 intel_dp->panel_power_down_delay);
4928 seq_printf(m, "Backlight on delay: %d\n",
4929 intel_dp->backlight_on_delay);
4930 seq_printf(m, "Backlight off delay: %d\n",
4931 intel_dp->backlight_off_delay);
4935 DEFINE_SHOW_ATTRIBUTE(i915_panel);
4938 * i915_debugfs_connector_add - add i915 specific connector debugfs files
4939 * @connector: pointer to a registered drm_connector
4941 * Cleanup will be done by drm_connector_unregister() through a call to
4942 * drm_debugfs_connector_remove().
4944 * Returns 0 on success, negative error codes on error.
4946 int i915_debugfs_connector_add(struct drm_connector *connector)
4948 struct dentry *root = connector->debugfs_entry;
4950 /* The connector must have been registered beforehands. */
4954 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4955 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4956 debugfs_create_file("i915_dpcd", S_IRUGO, root,
4957 connector, &i915_dpcd_fops);
4959 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
4960 debugfs_create_file("i915_panel_timings", S_IRUGO, root,
4961 connector, &i915_panel_fops);
4962 debugfs_create_file("i915_psr_sink_status", S_IRUGO, root,
4963 connector, &i915_psr_sink_status_fops);