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1 | /* | |
2 | * Copyright © 2008 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
21 | * IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | * Keith Packard <keithp@keithp.com> | |
26 | * | |
27 | */ | |
28 | ||
29 | #include <linux/seq_file.h> | |
30 | #include <linux/circ_buf.h> | |
31 | #include <linux/ctype.h> | |
32 | #include <linux/debugfs.h> | |
33 | #include <linux/slab.h> | |
34 | #include <linux/export.h> | |
35 | #include <linux/list_sort.h> | |
36 | #include <asm/msr-index.h> | |
37 | #include <drm/drmP.h> | |
38 | #include "intel_drv.h" | |
39 | #include "intel_ringbuffer.h" | |
40 | #include <drm/i915_drm.h> | |
41 | #include "i915_drv.h" | |
42 | ||
43 | static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node) | |
44 | { | |
45 | return to_i915(node->minor->dev); | |
46 | } | |
47 | ||
48 | /* As the drm_debugfs_init() routines are called before dev->dev_private is | |
49 | * allocated we need to hook into the minor for release. */ | |
50 | static int | |
51 | drm_add_fake_info_node(struct drm_minor *minor, | |
52 | struct dentry *ent, | |
53 | const void *key) | |
54 | { | |
55 | struct drm_info_node *node; | |
56 | ||
57 | node = kmalloc(sizeof(*node), GFP_KERNEL); | |
58 | if (node == NULL) { | |
59 | debugfs_remove(ent); | |
60 | return -ENOMEM; | |
61 | } | |
62 | ||
63 | node->minor = minor; | |
64 | node->dent = ent; | |
65 | node->info_ent = (void *)key; | |
66 | ||
67 | mutex_lock(&minor->debugfs_lock); | |
68 | list_add(&node->list, &minor->debugfs_list); | |
69 | mutex_unlock(&minor->debugfs_lock); | |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
74 | static int i915_capabilities(struct seq_file *m, void *data) | |
75 | { | |
76 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
77 | const struct intel_device_info *info = INTEL_INFO(dev_priv); | |
78 | ||
79 | seq_printf(m, "gen: %d\n", INTEL_GEN(dev_priv)); | |
80 | seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev_priv)); | |
81 | #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x)) | |
82 | DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG); | |
83 | #undef PRINT_FLAG | |
84 | ||
85 | return 0; | |
86 | } | |
87 | ||
88 | static char get_active_flag(struct drm_i915_gem_object *obj) | |
89 | { | |
90 | return i915_gem_object_is_active(obj) ? '*' : ' '; | |
91 | } | |
92 | ||
93 | static char get_pin_flag(struct drm_i915_gem_object *obj) | |
94 | { | |
95 | return obj->pin_display ? 'p' : ' '; | |
96 | } | |
97 | ||
98 | static char get_tiling_flag(struct drm_i915_gem_object *obj) | |
99 | { | |
100 | switch (i915_gem_object_get_tiling(obj)) { | |
101 | default: | |
102 | case I915_TILING_NONE: return ' '; | |
103 | case I915_TILING_X: return 'X'; | |
104 | case I915_TILING_Y: return 'Y'; | |
105 | } | |
106 | } | |
107 | ||
108 | static char get_global_flag(struct drm_i915_gem_object *obj) | |
109 | { | |
110 | return !list_empty(&obj->userfault_link) ? 'g' : ' '; | |
111 | } | |
112 | ||
113 | static char get_pin_mapped_flag(struct drm_i915_gem_object *obj) | |
114 | { | |
115 | return obj->mm.mapping ? 'M' : ' '; | |
116 | } | |
117 | ||
118 | static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj) | |
119 | { | |
120 | u64 size = 0; | |
121 | struct i915_vma *vma; | |
122 | ||
123 | list_for_each_entry(vma, &obj->vma_list, obj_link) { | |
124 | if (i915_vma_is_ggtt(vma) && drm_mm_node_allocated(&vma->node)) | |
125 | size += vma->node.size; | |
126 | } | |
127 | ||
128 | return size; | |
129 | } | |
130 | ||
131 | static void | |
132 | describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) | |
133 | { | |
134 | struct drm_i915_private *dev_priv = to_i915(obj->base.dev); | |
135 | struct intel_engine_cs *engine; | |
136 | struct i915_vma *vma; | |
137 | unsigned int frontbuffer_bits; | |
138 | int pin_count = 0; | |
139 | ||
140 | lockdep_assert_held(&obj->base.dev->struct_mutex); | |
141 | ||
142 | seq_printf(m, "%pK: %c%c%c%c%c %8zdKiB %02x %02x %s%s%s", | |
143 | &obj->base, | |
144 | get_active_flag(obj), | |
145 | get_pin_flag(obj), | |
146 | get_tiling_flag(obj), | |
147 | get_global_flag(obj), | |
148 | get_pin_mapped_flag(obj), | |
149 | obj->base.size / 1024, | |
150 | obj->base.read_domains, | |
151 | obj->base.write_domain, | |
152 | i915_cache_level_str(dev_priv, obj->cache_level), | |
153 | obj->mm.dirty ? " dirty" : "", | |
154 | obj->mm.madv == I915_MADV_DONTNEED ? " purgeable" : ""); | |
155 | if (obj->base.name) | |
156 | seq_printf(m, " (name: %d)", obj->base.name); | |
157 | list_for_each_entry(vma, &obj->vma_list, obj_link) { | |
158 | if (i915_vma_is_pinned(vma)) | |
159 | pin_count++; | |
160 | } | |
161 | seq_printf(m, " (pinned x %d)", pin_count); | |
162 | if (obj->pin_display) | |
163 | seq_printf(m, " (display)"); | |
164 | list_for_each_entry(vma, &obj->vma_list, obj_link) { | |
165 | if (!drm_mm_node_allocated(&vma->node)) | |
166 | continue; | |
167 | ||
168 | seq_printf(m, " (%sgtt offset: %08llx, size: %08llx", | |
169 | i915_vma_is_ggtt(vma) ? "g" : "pp", | |
170 | vma->node.start, vma->node.size); | |
171 | if (i915_vma_is_ggtt(vma)) | |
172 | seq_printf(m, ", type: %u", vma->ggtt_view.type); | |
173 | if (vma->fence) | |
174 | seq_printf(m, " , fence: %d%s", | |
175 | vma->fence->id, | |
176 | i915_gem_active_isset(&vma->last_fence) ? "*" : ""); | |
177 | seq_puts(m, ")"); | |
178 | } | |
179 | if (obj->stolen) | |
180 | seq_printf(m, " (stolen: %08llx)", obj->stolen->start); | |
181 | ||
182 | engine = i915_gem_object_last_write_engine(obj); | |
183 | if (engine) | |
184 | seq_printf(m, " (%s)", engine->name); | |
185 | ||
186 | frontbuffer_bits = atomic_read(&obj->frontbuffer_bits); | |
187 | if (frontbuffer_bits) | |
188 | seq_printf(m, " (frontbuffer: 0x%03x)", frontbuffer_bits); | |
189 | } | |
190 | ||
191 | static int obj_rank_by_stolen(void *priv, | |
192 | struct list_head *A, struct list_head *B) | |
193 | { | |
194 | struct drm_i915_gem_object *a = | |
195 | container_of(A, struct drm_i915_gem_object, obj_exec_link); | |
196 | struct drm_i915_gem_object *b = | |
197 | container_of(B, struct drm_i915_gem_object, obj_exec_link); | |
198 | ||
199 | if (a->stolen->start < b->stolen->start) | |
200 | return -1; | |
201 | if (a->stolen->start > b->stolen->start) | |
202 | return 1; | |
203 | return 0; | |
204 | } | |
205 | ||
206 | static int i915_gem_stolen_list_info(struct seq_file *m, void *data) | |
207 | { | |
208 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
209 | struct drm_device *dev = &dev_priv->drm; | |
210 | struct drm_i915_gem_object *obj; | |
211 | u64 total_obj_size, total_gtt_size; | |
212 | LIST_HEAD(stolen); | |
213 | int count, ret; | |
214 | ||
215 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
216 | if (ret) | |
217 | return ret; | |
218 | ||
219 | total_obj_size = total_gtt_size = count = 0; | |
220 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { | |
221 | if (obj->stolen == NULL) | |
222 | continue; | |
223 | ||
224 | list_add(&obj->obj_exec_link, &stolen); | |
225 | ||
226 | total_obj_size += obj->base.size; | |
227 | total_gtt_size += i915_gem_obj_total_ggtt_size(obj); | |
228 | count++; | |
229 | } | |
230 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { | |
231 | if (obj->stolen == NULL) | |
232 | continue; | |
233 | ||
234 | list_add(&obj->obj_exec_link, &stolen); | |
235 | ||
236 | total_obj_size += obj->base.size; | |
237 | count++; | |
238 | } | |
239 | list_sort(NULL, &stolen, obj_rank_by_stolen); | |
240 | seq_puts(m, "Stolen:\n"); | |
241 | while (!list_empty(&stolen)) { | |
242 | obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link); | |
243 | seq_puts(m, " "); | |
244 | describe_obj(m, obj); | |
245 | seq_putc(m, '\n'); | |
246 | list_del_init(&obj->obj_exec_link); | |
247 | } | |
248 | mutex_unlock(&dev->struct_mutex); | |
249 | ||
250 | seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", | |
251 | count, total_obj_size, total_gtt_size); | |
252 | return 0; | |
253 | } | |
254 | ||
255 | struct file_stats { | |
256 | struct drm_i915_file_private *file_priv; | |
257 | unsigned long count; | |
258 | u64 total, unbound; | |
259 | u64 global, shared; | |
260 | u64 active, inactive; | |
261 | }; | |
262 | ||
263 | static int per_file_stats(int id, void *ptr, void *data) | |
264 | { | |
265 | struct drm_i915_gem_object *obj = ptr; | |
266 | struct file_stats *stats = data; | |
267 | struct i915_vma *vma; | |
268 | ||
269 | stats->count++; | |
270 | stats->total += obj->base.size; | |
271 | if (!obj->bind_count) | |
272 | stats->unbound += obj->base.size; | |
273 | if (obj->base.name || obj->base.dma_buf) | |
274 | stats->shared += obj->base.size; | |
275 | ||
276 | list_for_each_entry(vma, &obj->vma_list, obj_link) { | |
277 | if (!drm_mm_node_allocated(&vma->node)) | |
278 | continue; | |
279 | ||
280 | if (i915_vma_is_ggtt(vma)) { | |
281 | stats->global += vma->node.size; | |
282 | } else { | |
283 | struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vma->vm); | |
284 | ||
285 | if (ppgtt->base.file != stats->file_priv) | |
286 | continue; | |
287 | } | |
288 | ||
289 | if (i915_vma_is_active(vma)) | |
290 | stats->active += vma->node.size; | |
291 | else | |
292 | stats->inactive += vma->node.size; | |
293 | } | |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
298 | #define print_file_stats(m, name, stats) do { \ | |
299 | if (stats.count) \ | |
300 | seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \ | |
301 | name, \ | |
302 | stats.count, \ | |
303 | stats.total, \ | |
304 | stats.active, \ | |
305 | stats.inactive, \ | |
306 | stats.global, \ | |
307 | stats.shared, \ | |
308 | stats.unbound); \ | |
309 | } while (0) | |
310 | ||
311 | static void print_batch_pool_stats(struct seq_file *m, | |
312 | struct drm_i915_private *dev_priv) | |
313 | { | |
314 | struct drm_i915_gem_object *obj; | |
315 | struct file_stats stats; | |
316 | struct intel_engine_cs *engine; | |
317 | enum intel_engine_id id; | |
318 | int j; | |
319 | ||
320 | memset(&stats, 0, sizeof(stats)); | |
321 | ||
322 | for_each_engine(engine, dev_priv, id) { | |
323 | for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) { | |
324 | list_for_each_entry(obj, | |
325 | &engine->batch_pool.cache_list[j], | |
326 | batch_pool_link) | |
327 | per_file_stats(0, obj, &stats); | |
328 | } | |
329 | } | |
330 | ||
331 | print_file_stats(m, "[k]batch pool", stats); | |
332 | } | |
333 | ||
334 | static int per_file_ctx_stats(int id, void *ptr, void *data) | |
335 | { | |
336 | struct i915_gem_context *ctx = ptr; | |
337 | int n; | |
338 | ||
339 | for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) { | |
340 | if (ctx->engine[n].state) | |
341 | per_file_stats(0, ctx->engine[n].state->obj, data); | |
342 | if (ctx->engine[n].ring) | |
343 | per_file_stats(0, ctx->engine[n].ring->vma->obj, data); | |
344 | } | |
345 | ||
346 | return 0; | |
347 | } | |
348 | ||
349 | static void print_context_stats(struct seq_file *m, | |
350 | struct drm_i915_private *dev_priv) | |
351 | { | |
352 | struct drm_device *dev = &dev_priv->drm; | |
353 | struct file_stats stats; | |
354 | struct drm_file *file; | |
355 | ||
356 | memset(&stats, 0, sizeof(stats)); | |
357 | ||
358 | mutex_lock(&dev->struct_mutex); | |
359 | if (dev_priv->kernel_context) | |
360 | per_file_ctx_stats(0, dev_priv->kernel_context, &stats); | |
361 | ||
362 | list_for_each_entry(file, &dev->filelist, lhead) { | |
363 | struct drm_i915_file_private *fpriv = file->driver_priv; | |
364 | idr_for_each(&fpriv->context_idr, per_file_ctx_stats, &stats); | |
365 | } | |
366 | mutex_unlock(&dev->struct_mutex); | |
367 | ||
368 | print_file_stats(m, "[k]contexts", stats); | |
369 | } | |
370 | ||
371 | static int i915_gem_object_info(struct seq_file *m, void *data) | |
372 | { | |
373 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
374 | struct drm_device *dev = &dev_priv->drm; | |
375 | struct i915_ggtt *ggtt = &dev_priv->ggtt; | |
376 | u32 count, mapped_count, purgeable_count, dpy_count; | |
377 | u64 size, mapped_size, purgeable_size, dpy_size; | |
378 | struct drm_i915_gem_object *obj; | |
379 | struct drm_file *file; | |
380 | int ret; | |
381 | ||
382 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
383 | if (ret) | |
384 | return ret; | |
385 | ||
386 | seq_printf(m, "%u objects, %llu bytes\n", | |
387 | dev_priv->mm.object_count, | |
388 | dev_priv->mm.object_memory); | |
389 | ||
390 | size = count = 0; | |
391 | mapped_size = mapped_count = 0; | |
392 | purgeable_size = purgeable_count = 0; | |
393 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { | |
394 | size += obj->base.size; | |
395 | ++count; | |
396 | ||
397 | if (obj->mm.madv == I915_MADV_DONTNEED) { | |
398 | purgeable_size += obj->base.size; | |
399 | ++purgeable_count; | |
400 | } | |
401 | ||
402 | if (obj->mm.mapping) { | |
403 | mapped_count++; | |
404 | mapped_size += obj->base.size; | |
405 | } | |
406 | } | |
407 | seq_printf(m, "%u unbound objects, %llu bytes\n", count, size); | |
408 | ||
409 | size = count = dpy_size = dpy_count = 0; | |
410 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { | |
411 | size += obj->base.size; | |
412 | ++count; | |
413 | ||
414 | if (obj->pin_display) { | |
415 | dpy_size += obj->base.size; | |
416 | ++dpy_count; | |
417 | } | |
418 | ||
419 | if (obj->mm.madv == I915_MADV_DONTNEED) { | |
420 | purgeable_size += obj->base.size; | |
421 | ++purgeable_count; | |
422 | } | |
423 | ||
424 | if (obj->mm.mapping) { | |
425 | mapped_count++; | |
426 | mapped_size += obj->base.size; | |
427 | } | |
428 | } | |
429 | seq_printf(m, "%u bound objects, %llu bytes\n", | |
430 | count, size); | |
431 | seq_printf(m, "%u purgeable objects, %llu bytes\n", | |
432 | purgeable_count, purgeable_size); | |
433 | seq_printf(m, "%u mapped objects, %llu bytes\n", | |
434 | mapped_count, mapped_size); | |
435 | seq_printf(m, "%u display objects (pinned), %llu bytes\n", | |
436 | dpy_count, dpy_size); | |
437 | ||
438 | seq_printf(m, "%llu [%llu] gtt total\n", | |
439 | ggtt->base.total, ggtt->mappable_end - ggtt->base.start); | |
440 | ||
441 | seq_putc(m, '\n'); | |
442 | print_batch_pool_stats(m, dev_priv); | |
443 | mutex_unlock(&dev->struct_mutex); | |
444 | ||
445 | mutex_lock(&dev->filelist_mutex); | |
446 | print_context_stats(m, dev_priv); | |
447 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { | |
448 | struct file_stats stats; | |
449 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
450 | struct drm_i915_gem_request *request; | |
451 | struct task_struct *task; | |
452 | ||
453 | memset(&stats, 0, sizeof(stats)); | |
454 | stats.file_priv = file->driver_priv; | |
455 | spin_lock(&file->table_lock); | |
456 | idr_for_each(&file->object_idr, per_file_stats, &stats); | |
457 | spin_unlock(&file->table_lock); | |
458 | /* | |
459 | * Although we have a valid reference on file->pid, that does | |
460 | * not guarantee that the task_struct who called get_pid() is | |
461 | * still alive (e.g. get_pid(current) => fork() => exit()). | |
462 | * Therefore, we need to protect this ->comm access using RCU. | |
463 | */ | |
464 | mutex_lock(&dev->struct_mutex); | |
465 | request = list_first_entry_or_null(&file_priv->mm.request_list, | |
466 | struct drm_i915_gem_request, | |
467 | client_list); | |
468 | rcu_read_lock(); | |
469 | task = pid_task(request && request->ctx->pid ? | |
470 | request->ctx->pid : file->pid, | |
471 | PIDTYPE_PID); | |
472 | print_file_stats(m, task ? task->comm : "<unknown>", stats); | |
473 | rcu_read_unlock(); | |
474 | mutex_unlock(&dev->struct_mutex); | |
475 | } | |
476 | mutex_unlock(&dev->filelist_mutex); | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
481 | static int i915_gem_gtt_info(struct seq_file *m, void *data) | |
482 | { | |
483 | struct drm_info_node *node = m->private; | |
484 | struct drm_i915_private *dev_priv = node_to_i915(node); | |
485 | struct drm_device *dev = &dev_priv->drm; | |
486 | bool show_pin_display_only = !!node->info_ent->data; | |
487 | struct drm_i915_gem_object *obj; | |
488 | u64 total_obj_size, total_gtt_size; | |
489 | int count, ret; | |
490 | ||
491 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
492 | if (ret) | |
493 | return ret; | |
494 | ||
495 | total_obj_size = total_gtt_size = count = 0; | |
496 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { | |
497 | if (show_pin_display_only && !obj->pin_display) | |
498 | continue; | |
499 | ||
500 | seq_puts(m, " "); | |
501 | describe_obj(m, obj); | |
502 | seq_putc(m, '\n'); | |
503 | total_obj_size += obj->base.size; | |
504 | total_gtt_size += i915_gem_obj_total_ggtt_size(obj); | |
505 | count++; | |
506 | } | |
507 | ||
508 | mutex_unlock(&dev->struct_mutex); | |
509 | ||
510 | seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", | |
511 | count, total_obj_size, total_gtt_size); | |
512 | ||
513 | return 0; | |
514 | } | |
515 | ||
516 | static int i915_gem_pageflip_info(struct seq_file *m, void *data) | |
517 | { | |
518 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
519 | struct drm_device *dev = &dev_priv->drm; | |
520 | struct intel_crtc *crtc; | |
521 | int ret; | |
522 | ||
523 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
524 | if (ret) | |
525 | return ret; | |
526 | ||
527 | for_each_intel_crtc(dev, crtc) { | |
528 | const char pipe = pipe_name(crtc->pipe); | |
529 | const char plane = plane_name(crtc->plane); | |
530 | struct intel_flip_work *work; | |
531 | ||
532 | spin_lock_irq(&dev->event_lock); | |
533 | work = crtc->flip_work; | |
534 | if (work == NULL) { | |
535 | seq_printf(m, "No flip due on pipe %c (plane %c)\n", | |
536 | pipe, plane); | |
537 | } else { | |
538 | u32 pending; | |
539 | u32 addr; | |
540 | ||
541 | pending = atomic_read(&work->pending); | |
542 | if (pending) { | |
543 | seq_printf(m, "Flip ioctl preparing on pipe %c (plane %c)\n", | |
544 | pipe, plane); | |
545 | } else { | |
546 | seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n", | |
547 | pipe, plane); | |
548 | } | |
549 | if (work->flip_queued_req) { | |
550 | struct intel_engine_cs *engine = work->flip_queued_req->engine; | |
551 | ||
552 | seq_printf(m, "Flip queued on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n", | |
553 | engine->name, | |
554 | work->flip_queued_req->global_seqno, | |
555 | atomic_read(&dev_priv->gt.global_timeline.next_seqno), | |
556 | intel_engine_get_seqno(engine), | |
557 | i915_gem_request_completed(work->flip_queued_req)); | |
558 | } else | |
559 | seq_printf(m, "Flip not associated with any ring\n"); | |
560 | seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n", | |
561 | work->flip_queued_vblank, | |
562 | work->flip_ready_vblank, | |
563 | intel_crtc_get_vblank_counter(crtc)); | |
564 | seq_printf(m, "%d prepares\n", atomic_read(&work->pending)); | |
565 | ||
566 | if (INTEL_GEN(dev_priv) >= 4) | |
567 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane))); | |
568 | else | |
569 | addr = I915_READ(DSPADDR(crtc->plane)); | |
570 | seq_printf(m, "Current scanout address 0x%08x\n", addr); | |
571 | ||
572 | if (work->pending_flip_obj) { | |
573 | seq_printf(m, "New framebuffer address 0x%08lx\n", (long)work->gtt_offset); | |
574 | seq_printf(m, "MMIO update completed? %d\n", addr == work->gtt_offset); | |
575 | } | |
576 | } | |
577 | spin_unlock_irq(&dev->event_lock); | |
578 | } | |
579 | ||
580 | mutex_unlock(&dev->struct_mutex); | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | static int i915_gem_batch_pool_info(struct seq_file *m, void *data) | |
586 | { | |
587 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
588 | struct drm_device *dev = &dev_priv->drm; | |
589 | struct drm_i915_gem_object *obj; | |
590 | struct intel_engine_cs *engine; | |
591 | enum intel_engine_id id; | |
592 | int total = 0; | |
593 | int ret, j; | |
594 | ||
595 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
596 | if (ret) | |
597 | return ret; | |
598 | ||
599 | for_each_engine(engine, dev_priv, id) { | |
600 | for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) { | |
601 | int count; | |
602 | ||
603 | count = 0; | |
604 | list_for_each_entry(obj, | |
605 | &engine->batch_pool.cache_list[j], | |
606 | batch_pool_link) | |
607 | count++; | |
608 | seq_printf(m, "%s cache[%d]: %d objects\n", | |
609 | engine->name, j, count); | |
610 | ||
611 | list_for_each_entry(obj, | |
612 | &engine->batch_pool.cache_list[j], | |
613 | batch_pool_link) { | |
614 | seq_puts(m, " "); | |
615 | describe_obj(m, obj); | |
616 | seq_putc(m, '\n'); | |
617 | } | |
618 | ||
619 | total += count; | |
620 | } | |
621 | } | |
622 | ||
623 | seq_printf(m, "total: %d\n", total); | |
624 | ||
625 | mutex_unlock(&dev->struct_mutex); | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
630 | static void print_request(struct seq_file *m, | |
631 | struct drm_i915_gem_request *rq, | |
632 | const char *prefix) | |
633 | { | |
634 | seq_printf(m, "%s%x [%x:%x] prio=%d @ %dms: %s\n", prefix, | |
635 | rq->global_seqno, rq->ctx->hw_id, rq->fence.seqno, | |
636 | rq->priotree.priority, | |
637 | jiffies_to_msecs(jiffies - rq->emitted_jiffies), | |
638 | rq->timeline->common->name); | |
639 | } | |
640 | ||
641 | static int i915_gem_request_info(struct seq_file *m, void *data) | |
642 | { | |
643 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
644 | struct drm_device *dev = &dev_priv->drm; | |
645 | struct drm_i915_gem_request *req; | |
646 | struct intel_engine_cs *engine; | |
647 | enum intel_engine_id id; | |
648 | int ret, any; | |
649 | ||
650 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
651 | if (ret) | |
652 | return ret; | |
653 | ||
654 | any = 0; | |
655 | for_each_engine(engine, dev_priv, id) { | |
656 | int count; | |
657 | ||
658 | count = 0; | |
659 | list_for_each_entry(req, &engine->timeline->requests, link) | |
660 | count++; | |
661 | if (count == 0) | |
662 | continue; | |
663 | ||
664 | seq_printf(m, "%s requests: %d\n", engine->name, count); | |
665 | list_for_each_entry(req, &engine->timeline->requests, link) | |
666 | print_request(m, req, " "); | |
667 | ||
668 | any++; | |
669 | } | |
670 | mutex_unlock(&dev->struct_mutex); | |
671 | ||
672 | if (any == 0) | |
673 | seq_puts(m, "No requests\n"); | |
674 | ||
675 | return 0; | |
676 | } | |
677 | ||
678 | static void i915_ring_seqno_info(struct seq_file *m, | |
679 | struct intel_engine_cs *engine) | |
680 | { | |
681 | struct intel_breadcrumbs *b = &engine->breadcrumbs; | |
682 | struct rb_node *rb; | |
683 | ||
684 | seq_printf(m, "Current sequence (%s): %x\n", | |
685 | engine->name, intel_engine_get_seqno(engine)); | |
686 | ||
687 | spin_lock_irq(&b->lock); | |
688 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { | |
689 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
690 | ||
691 | seq_printf(m, "Waiting (%s): %s [%d] on %x\n", | |
692 | engine->name, w->tsk->comm, w->tsk->pid, w->seqno); | |
693 | } | |
694 | spin_unlock_irq(&b->lock); | |
695 | } | |
696 | ||
697 | static int i915_gem_seqno_info(struct seq_file *m, void *data) | |
698 | { | |
699 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
700 | struct intel_engine_cs *engine; | |
701 | enum intel_engine_id id; | |
702 | ||
703 | for_each_engine(engine, dev_priv, id) | |
704 | i915_ring_seqno_info(m, engine); | |
705 | ||
706 | return 0; | |
707 | } | |
708 | ||
709 | ||
710 | static int i915_interrupt_info(struct seq_file *m, void *data) | |
711 | { | |
712 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
713 | struct intel_engine_cs *engine; | |
714 | enum intel_engine_id id; | |
715 | int i, pipe; | |
716 | ||
717 | intel_runtime_pm_get(dev_priv); | |
718 | ||
719 | if (IS_CHERRYVIEW(dev_priv)) { | |
720 | seq_printf(m, "Master Interrupt Control:\t%08x\n", | |
721 | I915_READ(GEN8_MASTER_IRQ)); | |
722 | ||
723 | seq_printf(m, "Display IER:\t%08x\n", | |
724 | I915_READ(VLV_IER)); | |
725 | seq_printf(m, "Display IIR:\t%08x\n", | |
726 | I915_READ(VLV_IIR)); | |
727 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
728 | I915_READ(VLV_IIR_RW)); | |
729 | seq_printf(m, "Display IMR:\t%08x\n", | |
730 | I915_READ(VLV_IMR)); | |
731 | for_each_pipe(dev_priv, pipe) { | |
732 | enum intel_display_power_domain power_domain; | |
733 | ||
734 | power_domain = POWER_DOMAIN_PIPE(pipe); | |
735 | if (!intel_display_power_get_if_enabled(dev_priv, | |
736 | power_domain)) { | |
737 | seq_printf(m, "Pipe %c power disabled\n", | |
738 | pipe_name(pipe)); | |
739 | continue; | |
740 | } | |
741 | ||
742 | seq_printf(m, "Pipe %c stat:\t%08x\n", | |
743 | pipe_name(pipe), | |
744 | I915_READ(PIPESTAT(pipe))); | |
745 | ||
746 | intel_display_power_put(dev_priv, power_domain); | |
747 | } | |
748 | ||
749 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); | |
750 | seq_printf(m, "Port hotplug:\t%08x\n", | |
751 | I915_READ(PORT_HOTPLUG_EN)); | |
752 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
753 | I915_READ(VLV_DPFLIPSTAT)); | |
754 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
755 | I915_READ(DPINVGTT)); | |
756 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); | |
757 | ||
758 | for (i = 0; i < 4; i++) { | |
759 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
760 | i, I915_READ(GEN8_GT_IMR(i))); | |
761 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
762 | i, I915_READ(GEN8_GT_IIR(i))); | |
763 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
764 | i, I915_READ(GEN8_GT_IER(i))); | |
765 | } | |
766 | ||
767 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
768 | I915_READ(GEN8_PCU_IMR)); | |
769 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
770 | I915_READ(GEN8_PCU_IIR)); | |
771 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
772 | I915_READ(GEN8_PCU_IER)); | |
773 | } else if (INTEL_GEN(dev_priv) >= 8) { | |
774 | seq_printf(m, "Master Interrupt Control:\t%08x\n", | |
775 | I915_READ(GEN8_MASTER_IRQ)); | |
776 | ||
777 | for (i = 0; i < 4; i++) { | |
778 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
779 | i, I915_READ(GEN8_GT_IMR(i))); | |
780 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
781 | i, I915_READ(GEN8_GT_IIR(i))); | |
782 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
783 | i, I915_READ(GEN8_GT_IER(i))); | |
784 | } | |
785 | ||
786 | for_each_pipe(dev_priv, pipe) { | |
787 | enum intel_display_power_domain power_domain; | |
788 | ||
789 | power_domain = POWER_DOMAIN_PIPE(pipe); | |
790 | if (!intel_display_power_get_if_enabled(dev_priv, | |
791 | power_domain)) { | |
792 | seq_printf(m, "Pipe %c power disabled\n", | |
793 | pipe_name(pipe)); | |
794 | continue; | |
795 | } | |
796 | seq_printf(m, "Pipe %c IMR:\t%08x\n", | |
797 | pipe_name(pipe), | |
798 | I915_READ(GEN8_DE_PIPE_IMR(pipe))); | |
799 | seq_printf(m, "Pipe %c IIR:\t%08x\n", | |
800 | pipe_name(pipe), | |
801 | I915_READ(GEN8_DE_PIPE_IIR(pipe))); | |
802 | seq_printf(m, "Pipe %c IER:\t%08x\n", | |
803 | pipe_name(pipe), | |
804 | I915_READ(GEN8_DE_PIPE_IER(pipe))); | |
805 | ||
806 | intel_display_power_put(dev_priv, power_domain); | |
807 | } | |
808 | ||
809 | seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", | |
810 | I915_READ(GEN8_DE_PORT_IMR)); | |
811 | seq_printf(m, "Display Engine port interrupt identity:\t%08x\n", | |
812 | I915_READ(GEN8_DE_PORT_IIR)); | |
813 | seq_printf(m, "Display Engine port interrupt enable:\t%08x\n", | |
814 | I915_READ(GEN8_DE_PORT_IER)); | |
815 | ||
816 | seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n", | |
817 | I915_READ(GEN8_DE_MISC_IMR)); | |
818 | seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n", | |
819 | I915_READ(GEN8_DE_MISC_IIR)); | |
820 | seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n", | |
821 | I915_READ(GEN8_DE_MISC_IER)); | |
822 | ||
823 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
824 | I915_READ(GEN8_PCU_IMR)); | |
825 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
826 | I915_READ(GEN8_PCU_IIR)); | |
827 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
828 | I915_READ(GEN8_PCU_IER)); | |
829 | } else if (IS_VALLEYVIEW(dev_priv)) { | |
830 | seq_printf(m, "Display IER:\t%08x\n", | |
831 | I915_READ(VLV_IER)); | |
832 | seq_printf(m, "Display IIR:\t%08x\n", | |
833 | I915_READ(VLV_IIR)); | |
834 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
835 | I915_READ(VLV_IIR_RW)); | |
836 | seq_printf(m, "Display IMR:\t%08x\n", | |
837 | I915_READ(VLV_IMR)); | |
838 | for_each_pipe(dev_priv, pipe) | |
839 | seq_printf(m, "Pipe %c stat:\t%08x\n", | |
840 | pipe_name(pipe), | |
841 | I915_READ(PIPESTAT(pipe))); | |
842 | ||
843 | seq_printf(m, "Master IER:\t%08x\n", | |
844 | I915_READ(VLV_MASTER_IER)); | |
845 | ||
846 | seq_printf(m, "Render IER:\t%08x\n", | |
847 | I915_READ(GTIER)); | |
848 | seq_printf(m, "Render IIR:\t%08x\n", | |
849 | I915_READ(GTIIR)); | |
850 | seq_printf(m, "Render IMR:\t%08x\n", | |
851 | I915_READ(GTIMR)); | |
852 | ||
853 | seq_printf(m, "PM IER:\t\t%08x\n", | |
854 | I915_READ(GEN6_PMIER)); | |
855 | seq_printf(m, "PM IIR:\t\t%08x\n", | |
856 | I915_READ(GEN6_PMIIR)); | |
857 | seq_printf(m, "PM IMR:\t\t%08x\n", | |
858 | I915_READ(GEN6_PMIMR)); | |
859 | ||
860 | seq_printf(m, "Port hotplug:\t%08x\n", | |
861 | I915_READ(PORT_HOTPLUG_EN)); | |
862 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
863 | I915_READ(VLV_DPFLIPSTAT)); | |
864 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
865 | I915_READ(DPINVGTT)); | |
866 | ||
867 | } else if (!HAS_PCH_SPLIT(dev_priv)) { | |
868 | seq_printf(m, "Interrupt enable: %08x\n", | |
869 | I915_READ(IER)); | |
870 | seq_printf(m, "Interrupt identity: %08x\n", | |
871 | I915_READ(IIR)); | |
872 | seq_printf(m, "Interrupt mask: %08x\n", | |
873 | I915_READ(IMR)); | |
874 | for_each_pipe(dev_priv, pipe) | |
875 | seq_printf(m, "Pipe %c stat: %08x\n", | |
876 | pipe_name(pipe), | |
877 | I915_READ(PIPESTAT(pipe))); | |
878 | } else { | |
879 | seq_printf(m, "North Display Interrupt enable: %08x\n", | |
880 | I915_READ(DEIER)); | |
881 | seq_printf(m, "North Display Interrupt identity: %08x\n", | |
882 | I915_READ(DEIIR)); | |
883 | seq_printf(m, "North Display Interrupt mask: %08x\n", | |
884 | I915_READ(DEIMR)); | |
885 | seq_printf(m, "South Display Interrupt enable: %08x\n", | |
886 | I915_READ(SDEIER)); | |
887 | seq_printf(m, "South Display Interrupt identity: %08x\n", | |
888 | I915_READ(SDEIIR)); | |
889 | seq_printf(m, "South Display Interrupt mask: %08x\n", | |
890 | I915_READ(SDEIMR)); | |
891 | seq_printf(m, "Graphics Interrupt enable: %08x\n", | |
892 | I915_READ(GTIER)); | |
893 | seq_printf(m, "Graphics Interrupt identity: %08x\n", | |
894 | I915_READ(GTIIR)); | |
895 | seq_printf(m, "Graphics Interrupt mask: %08x\n", | |
896 | I915_READ(GTIMR)); | |
897 | } | |
898 | for_each_engine(engine, dev_priv, id) { | |
899 | if (INTEL_GEN(dev_priv) >= 6) { | |
900 | seq_printf(m, | |
901 | "Graphics Interrupt mask (%s): %08x\n", | |
902 | engine->name, I915_READ_IMR(engine)); | |
903 | } | |
904 | i915_ring_seqno_info(m, engine); | |
905 | } | |
906 | intel_runtime_pm_put(dev_priv); | |
907 | ||
908 | return 0; | |
909 | } | |
910 | ||
911 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) | |
912 | { | |
913 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
914 | struct drm_device *dev = &dev_priv->drm; | |
915 | int i, ret; | |
916 | ||
917 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
918 | if (ret) | |
919 | return ret; | |
920 | ||
921 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); | |
922 | for (i = 0; i < dev_priv->num_fence_regs; i++) { | |
923 | struct i915_vma *vma = dev_priv->fence_regs[i].vma; | |
924 | ||
925 | seq_printf(m, "Fence %d, pin count = %d, object = ", | |
926 | i, dev_priv->fence_regs[i].pin_count); | |
927 | if (!vma) | |
928 | seq_puts(m, "unused"); | |
929 | else | |
930 | describe_obj(m, vma->obj); | |
931 | seq_putc(m, '\n'); | |
932 | } | |
933 | ||
934 | mutex_unlock(&dev->struct_mutex); | |
935 | return 0; | |
936 | } | |
937 | ||
938 | #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) | |
939 | ||
940 | static ssize_t | |
941 | i915_error_state_write(struct file *filp, | |
942 | const char __user *ubuf, | |
943 | size_t cnt, | |
944 | loff_t *ppos) | |
945 | { | |
946 | struct i915_error_state_file_priv *error_priv = filp->private_data; | |
947 | ||
948 | DRM_DEBUG_DRIVER("Resetting error state\n"); | |
949 | i915_destroy_error_state(error_priv->dev); | |
950 | ||
951 | return cnt; | |
952 | } | |
953 | ||
954 | static int i915_error_state_open(struct inode *inode, struct file *file) | |
955 | { | |
956 | struct drm_i915_private *dev_priv = inode->i_private; | |
957 | struct i915_error_state_file_priv *error_priv; | |
958 | ||
959 | error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL); | |
960 | if (!error_priv) | |
961 | return -ENOMEM; | |
962 | ||
963 | error_priv->dev = &dev_priv->drm; | |
964 | ||
965 | i915_error_state_get(&dev_priv->drm, error_priv); | |
966 | ||
967 | file->private_data = error_priv; | |
968 | ||
969 | return 0; | |
970 | } | |
971 | ||
972 | static int i915_error_state_release(struct inode *inode, struct file *file) | |
973 | { | |
974 | struct i915_error_state_file_priv *error_priv = file->private_data; | |
975 | ||
976 | i915_error_state_put(error_priv); | |
977 | kfree(error_priv); | |
978 | ||
979 | return 0; | |
980 | } | |
981 | ||
982 | static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, | |
983 | size_t count, loff_t *pos) | |
984 | { | |
985 | struct i915_error_state_file_priv *error_priv = file->private_data; | |
986 | struct drm_i915_error_state_buf error_str; | |
987 | loff_t tmp_pos = 0; | |
988 | ssize_t ret_count = 0; | |
989 | int ret; | |
990 | ||
991 | ret = i915_error_state_buf_init(&error_str, | |
992 | to_i915(error_priv->dev), count, *pos); | |
993 | if (ret) | |
994 | return ret; | |
995 | ||
996 | ret = i915_error_state_to_str(&error_str, error_priv); | |
997 | if (ret) | |
998 | goto out; | |
999 | ||
1000 | ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos, | |
1001 | error_str.buf, | |
1002 | error_str.bytes); | |
1003 | ||
1004 | if (ret_count < 0) | |
1005 | ret = ret_count; | |
1006 | else | |
1007 | *pos = error_str.start + ret_count; | |
1008 | out: | |
1009 | i915_error_state_buf_release(&error_str); | |
1010 | return ret ?: ret_count; | |
1011 | } | |
1012 | ||
1013 | static const struct file_operations i915_error_state_fops = { | |
1014 | .owner = THIS_MODULE, | |
1015 | .open = i915_error_state_open, | |
1016 | .read = i915_error_state_read, | |
1017 | .write = i915_error_state_write, | |
1018 | .llseek = default_llseek, | |
1019 | .release = i915_error_state_release, | |
1020 | }; | |
1021 | ||
1022 | #endif | |
1023 | ||
1024 | static int | |
1025 | i915_next_seqno_get(void *data, u64 *val) | |
1026 | { | |
1027 | struct drm_i915_private *dev_priv = data; | |
1028 | ||
1029 | *val = 1 + atomic_read(&dev_priv->gt.global_timeline.next_seqno); | |
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | static int | |
1034 | i915_next_seqno_set(void *data, u64 val) | |
1035 | { | |
1036 | struct drm_i915_private *dev_priv = data; | |
1037 | struct drm_device *dev = &dev_priv->drm; | |
1038 | int ret; | |
1039 | ||
1040 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1041 | if (ret) | |
1042 | return ret; | |
1043 | ||
1044 | ret = i915_gem_set_global_seqno(dev, val); | |
1045 | mutex_unlock(&dev->struct_mutex); | |
1046 | ||
1047 | return ret; | |
1048 | } | |
1049 | ||
1050 | DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, | |
1051 | i915_next_seqno_get, i915_next_seqno_set, | |
1052 | "0x%llx\n"); | |
1053 | ||
1054 | static int i915_frequency_info(struct seq_file *m, void *unused) | |
1055 | { | |
1056 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1057 | struct drm_device *dev = &dev_priv->drm; | |
1058 | int ret = 0; | |
1059 | ||
1060 | intel_runtime_pm_get(dev_priv); | |
1061 | ||
1062 | if (IS_GEN5(dev_priv)) { | |
1063 | u16 rgvswctl = I915_READ16(MEMSWCTL); | |
1064 | u16 rgvstat = I915_READ16(MEMSTAT_ILK); | |
1065 | ||
1066 | seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); | |
1067 | seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); | |
1068 | seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> | |
1069 | MEMSTAT_VID_SHIFT); | |
1070 | seq_printf(m, "Current P-state: %d\n", | |
1071 | (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); | |
1072 | } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { | |
1073 | u32 freq_sts; | |
1074 | ||
1075 | mutex_lock(&dev_priv->rps.hw_lock); | |
1076 | freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); | |
1077 | seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts); | |
1078 | seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq); | |
1079 | ||
1080 | seq_printf(m, "actual GPU freq: %d MHz\n", | |
1081 | intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff)); | |
1082 | ||
1083 | seq_printf(m, "current GPU freq: %d MHz\n", | |
1084 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1085 | ||
1086 | seq_printf(m, "max GPU freq: %d MHz\n", | |
1087 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1088 | ||
1089 | seq_printf(m, "min GPU freq: %d MHz\n", | |
1090 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); | |
1091 | ||
1092 | seq_printf(m, "idle GPU freq: %d MHz\n", | |
1093 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
1094 | ||
1095 | seq_printf(m, | |
1096 | "efficient (RPe) frequency: %d MHz\n", | |
1097 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
1098 | mutex_unlock(&dev_priv->rps.hw_lock); | |
1099 | } else if (INTEL_GEN(dev_priv) >= 6) { | |
1100 | u32 rp_state_limits; | |
1101 | u32 gt_perf_status; | |
1102 | u32 rp_state_cap; | |
1103 | u32 rpmodectl, rpinclimit, rpdeclimit; | |
1104 | u32 rpstat, cagf, reqf; | |
1105 | u32 rpupei, rpcurup, rpprevup; | |
1106 | u32 rpdownei, rpcurdown, rpprevdown; | |
1107 | u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask; | |
1108 | int max_freq; | |
1109 | ||
1110 | rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); | |
1111 | if (IS_BROXTON(dev_priv)) { | |
1112 | rp_state_cap = I915_READ(BXT_RP_STATE_CAP); | |
1113 | gt_perf_status = I915_READ(BXT_GT_PERF_STATUS); | |
1114 | } else { | |
1115 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
1116 | gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); | |
1117 | } | |
1118 | ||
1119 | /* RPSTAT1 is in the GT power well */ | |
1120 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1121 | if (ret) | |
1122 | goto out; | |
1123 | ||
1124 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); | |
1125 | ||
1126 | reqf = I915_READ(GEN6_RPNSWREQ); | |
1127 | if (IS_GEN9(dev_priv)) | |
1128 | reqf >>= 23; | |
1129 | else { | |
1130 | reqf &= ~GEN6_TURBO_DISABLE; | |
1131 | if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) | |
1132 | reqf >>= 24; | |
1133 | else | |
1134 | reqf >>= 25; | |
1135 | } | |
1136 | reqf = intel_gpu_freq(dev_priv, reqf); | |
1137 | ||
1138 | rpmodectl = I915_READ(GEN6_RP_CONTROL); | |
1139 | rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD); | |
1140 | rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD); | |
1141 | ||
1142 | rpstat = I915_READ(GEN6_RPSTAT1); | |
1143 | rpupei = I915_READ(GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK; | |
1144 | rpcurup = I915_READ(GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK; | |
1145 | rpprevup = I915_READ(GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK; | |
1146 | rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK; | |
1147 | rpcurdown = I915_READ(GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK; | |
1148 | rpprevdown = I915_READ(GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK; | |
1149 | if (IS_GEN9(dev_priv)) | |
1150 | cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; | |
1151 | else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) | |
1152 | cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; | |
1153 | else | |
1154 | cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; | |
1155 | cagf = intel_gpu_freq(dev_priv, cagf); | |
1156 | ||
1157 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); | |
1158 | mutex_unlock(&dev->struct_mutex); | |
1159 | ||
1160 | if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv)) { | |
1161 | pm_ier = I915_READ(GEN6_PMIER); | |
1162 | pm_imr = I915_READ(GEN6_PMIMR); | |
1163 | pm_isr = I915_READ(GEN6_PMISR); | |
1164 | pm_iir = I915_READ(GEN6_PMIIR); | |
1165 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1166 | } else { | |
1167 | pm_ier = I915_READ(GEN8_GT_IER(2)); | |
1168 | pm_imr = I915_READ(GEN8_GT_IMR(2)); | |
1169 | pm_isr = I915_READ(GEN8_GT_ISR(2)); | |
1170 | pm_iir = I915_READ(GEN8_GT_IIR(2)); | |
1171 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1172 | } | |
1173 | seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n", | |
1174 | pm_ier, pm_imr, pm_isr, pm_iir, pm_mask); | |
1175 | seq_printf(m, "pm_intr_keep: 0x%08x\n", dev_priv->rps.pm_intr_keep); | |
1176 | seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); | |
1177 | seq_printf(m, "Render p-state ratio: %d\n", | |
1178 | (gt_perf_status & (IS_GEN9(dev_priv) ? 0x1ff00 : 0xff00)) >> 8); | |
1179 | seq_printf(m, "Render p-state VID: %d\n", | |
1180 | gt_perf_status & 0xff); | |
1181 | seq_printf(m, "Render p-state limit: %d\n", | |
1182 | rp_state_limits & 0xff); | |
1183 | seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); | |
1184 | seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl); | |
1185 | seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit); | |
1186 | seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit); | |
1187 | seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); | |
1188 | seq_printf(m, "CAGF: %dMHz\n", cagf); | |
1189 | seq_printf(m, "RP CUR UP EI: %d (%dus)\n", | |
1190 | rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei)); | |
1191 | seq_printf(m, "RP CUR UP: %d (%dus)\n", | |
1192 | rpcurup, GT_PM_INTERVAL_TO_US(dev_priv, rpcurup)); | |
1193 | seq_printf(m, "RP PREV UP: %d (%dus)\n", | |
1194 | rpprevup, GT_PM_INTERVAL_TO_US(dev_priv, rpprevup)); | |
1195 | seq_printf(m, "Up threshold: %d%%\n", | |
1196 | dev_priv->rps.up_threshold); | |
1197 | ||
1198 | seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n", | |
1199 | rpdownei, GT_PM_INTERVAL_TO_US(dev_priv, rpdownei)); | |
1200 | seq_printf(m, "RP CUR DOWN: %d (%dus)\n", | |
1201 | rpcurdown, GT_PM_INTERVAL_TO_US(dev_priv, rpcurdown)); | |
1202 | seq_printf(m, "RP PREV DOWN: %d (%dus)\n", | |
1203 | rpprevdown, GT_PM_INTERVAL_TO_US(dev_priv, rpprevdown)); | |
1204 | seq_printf(m, "Down threshold: %d%%\n", | |
1205 | dev_priv->rps.down_threshold); | |
1206 | ||
1207 | max_freq = (IS_BROXTON(dev_priv) ? rp_state_cap >> 0 : | |
1208 | rp_state_cap >> 16) & 0xff; | |
1209 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? | |
1210 | GEN9_FREQ_SCALER : 1); | |
1211 | seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", | |
1212 | intel_gpu_freq(dev_priv, max_freq)); | |
1213 | ||
1214 | max_freq = (rp_state_cap & 0xff00) >> 8; | |
1215 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? | |
1216 | GEN9_FREQ_SCALER : 1); | |
1217 | seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", | |
1218 | intel_gpu_freq(dev_priv, max_freq)); | |
1219 | ||
1220 | max_freq = (IS_BROXTON(dev_priv) ? rp_state_cap >> 16 : | |
1221 | rp_state_cap >> 0) & 0xff; | |
1222 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? | |
1223 | GEN9_FREQ_SCALER : 1); | |
1224 | seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", | |
1225 | intel_gpu_freq(dev_priv, max_freq)); | |
1226 | seq_printf(m, "Max overclocked frequency: %dMHz\n", | |
1227 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1228 | ||
1229 | seq_printf(m, "Current freq: %d MHz\n", | |
1230 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1231 | seq_printf(m, "Actual freq: %d MHz\n", cagf); | |
1232 | seq_printf(m, "Idle freq: %d MHz\n", | |
1233 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
1234 | seq_printf(m, "Min freq: %d MHz\n", | |
1235 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); | |
1236 | seq_printf(m, "Boost freq: %d MHz\n", | |
1237 | intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); | |
1238 | seq_printf(m, "Max freq: %d MHz\n", | |
1239 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1240 | seq_printf(m, | |
1241 | "efficient (RPe) frequency: %d MHz\n", | |
1242 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
1243 | } else { | |
1244 | seq_puts(m, "no P-state info available\n"); | |
1245 | } | |
1246 | ||
1247 | seq_printf(m, "Current CD clock frequency: %d kHz\n", dev_priv->cdclk_freq); | |
1248 | seq_printf(m, "Max CD clock frequency: %d kHz\n", dev_priv->max_cdclk_freq); | |
1249 | seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq); | |
1250 | ||
1251 | out: | |
1252 | intel_runtime_pm_put(dev_priv); | |
1253 | return ret; | |
1254 | } | |
1255 | ||
1256 | static void i915_instdone_info(struct drm_i915_private *dev_priv, | |
1257 | struct seq_file *m, | |
1258 | struct intel_instdone *instdone) | |
1259 | { | |
1260 | int slice; | |
1261 | int subslice; | |
1262 | ||
1263 | seq_printf(m, "\t\tINSTDONE: 0x%08x\n", | |
1264 | instdone->instdone); | |
1265 | ||
1266 | if (INTEL_GEN(dev_priv) <= 3) | |
1267 | return; | |
1268 | ||
1269 | seq_printf(m, "\t\tSC_INSTDONE: 0x%08x\n", | |
1270 | instdone->slice_common); | |
1271 | ||
1272 | if (INTEL_GEN(dev_priv) <= 6) | |
1273 | return; | |
1274 | ||
1275 | for_each_instdone_slice_subslice(dev_priv, slice, subslice) | |
1276 | seq_printf(m, "\t\tSAMPLER_INSTDONE[%d][%d]: 0x%08x\n", | |
1277 | slice, subslice, instdone->sampler[slice][subslice]); | |
1278 | ||
1279 | for_each_instdone_slice_subslice(dev_priv, slice, subslice) | |
1280 | seq_printf(m, "\t\tROW_INSTDONE[%d][%d]: 0x%08x\n", | |
1281 | slice, subslice, instdone->row[slice][subslice]); | |
1282 | } | |
1283 | ||
1284 | static int i915_hangcheck_info(struct seq_file *m, void *unused) | |
1285 | { | |
1286 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1287 | struct intel_engine_cs *engine; | |
1288 | u64 acthd[I915_NUM_ENGINES]; | |
1289 | u32 seqno[I915_NUM_ENGINES]; | |
1290 | struct intel_instdone instdone; | |
1291 | enum intel_engine_id id; | |
1292 | ||
1293 | if (test_bit(I915_WEDGED, &dev_priv->gpu_error.flags)) | |
1294 | seq_printf(m, "Wedged\n"); | |
1295 | if (test_bit(I915_RESET_IN_PROGRESS, &dev_priv->gpu_error.flags)) | |
1296 | seq_printf(m, "Reset in progress\n"); | |
1297 | if (waitqueue_active(&dev_priv->gpu_error.wait_queue)) | |
1298 | seq_printf(m, "Waiter holding struct mutex\n"); | |
1299 | if (waitqueue_active(&dev_priv->gpu_error.reset_queue)) | |
1300 | seq_printf(m, "struct_mutex blocked for reset\n"); | |
1301 | ||
1302 | if (!i915.enable_hangcheck) { | |
1303 | seq_printf(m, "Hangcheck disabled\n"); | |
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | intel_runtime_pm_get(dev_priv); | |
1308 | ||
1309 | for_each_engine(engine, dev_priv, id) { | |
1310 | acthd[id] = intel_engine_get_active_head(engine); | |
1311 | seqno[id] = intel_engine_get_seqno(engine); | |
1312 | } | |
1313 | ||
1314 | intel_engine_get_instdone(dev_priv->engine[RCS], &instdone); | |
1315 | ||
1316 | intel_runtime_pm_put(dev_priv); | |
1317 | ||
1318 | if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) { | |
1319 | seq_printf(m, "Hangcheck active, fires in %dms\n", | |
1320 | jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires - | |
1321 | jiffies)); | |
1322 | } else | |
1323 | seq_printf(m, "Hangcheck inactive\n"); | |
1324 | ||
1325 | for_each_engine(engine, dev_priv, id) { | |
1326 | struct intel_breadcrumbs *b = &engine->breadcrumbs; | |
1327 | struct rb_node *rb; | |
1328 | ||
1329 | seq_printf(m, "%s:\n", engine->name); | |
1330 | seq_printf(m, "\tseqno = %x [current %x, last %x]\n", | |
1331 | engine->hangcheck.seqno, seqno[id], | |
1332 | intel_engine_last_submit(engine)); | |
1333 | seq_printf(m, "\twaiters? %s, fake irq active? %s\n", | |
1334 | yesno(intel_engine_has_waiter(engine)), | |
1335 | yesno(test_bit(engine->id, | |
1336 | &dev_priv->gpu_error.missed_irq_rings))); | |
1337 | spin_lock_irq(&b->lock); | |
1338 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { | |
1339 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
1340 | ||
1341 | seq_printf(m, "\t%s [%d] waiting for %x\n", | |
1342 | w->tsk->comm, w->tsk->pid, w->seqno); | |
1343 | } | |
1344 | spin_unlock_irq(&b->lock); | |
1345 | ||
1346 | seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n", | |
1347 | (long long)engine->hangcheck.acthd, | |
1348 | (long long)acthd[id]); | |
1349 | seq_printf(m, "\tscore = %d\n", engine->hangcheck.score); | |
1350 | seq_printf(m, "\taction = %d\n", engine->hangcheck.action); | |
1351 | ||
1352 | if (engine->id == RCS) { | |
1353 | seq_puts(m, "\tinstdone read =\n"); | |
1354 | ||
1355 | i915_instdone_info(dev_priv, m, &instdone); | |
1356 | ||
1357 | seq_puts(m, "\tinstdone accu =\n"); | |
1358 | ||
1359 | i915_instdone_info(dev_priv, m, | |
1360 | &engine->hangcheck.instdone); | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | static int ironlake_drpc_info(struct seq_file *m) | |
1368 | { | |
1369 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1370 | u32 rgvmodectl, rstdbyctl; | |
1371 | u16 crstandvid; | |
1372 | ||
1373 | intel_runtime_pm_get(dev_priv); | |
1374 | ||
1375 | rgvmodectl = I915_READ(MEMMODECTL); | |
1376 | rstdbyctl = I915_READ(RSTDBYCTL); | |
1377 | crstandvid = I915_READ16(CRSTANDVID); | |
1378 | ||
1379 | intel_runtime_pm_put(dev_priv); | |
1380 | ||
1381 | seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN)); | |
1382 | seq_printf(m, "Boost freq: %d\n", | |
1383 | (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> | |
1384 | MEMMODE_BOOST_FREQ_SHIFT); | |
1385 | seq_printf(m, "HW control enabled: %s\n", | |
1386 | yesno(rgvmodectl & MEMMODE_HWIDLE_EN)); | |
1387 | seq_printf(m, "SW control enabled: %s\n", | |
1388 | yesno(rgvmodectl & MEMMODE_SWMODE_EN)); | |
1389 | seq_printf(m, "Gated voltage change: %s\n", | |
1390 | yesno(rgvmodectl & MEMMODE_RCLK_GATE)); | |
1391 | seq_printf(m, "Starting frequency: P%d\n", | |
1392 | (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); | |
1393 | seq_printf(m, "Max P-state: P%d\n", | |
1394 | (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); | |
1395 | seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); | |
1396 | seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); | |
1397 | seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); | |
1398 | seq_printf(m, "Render standby enabled: %s\n", | |
1399 | yesno(!(rstdbyctl & RCX_SW_EXIT))); | |
1400 | seq_puts(m, "Current RS state: "); | |
1401 | switch (rstdbyctl & RSX_STATUS_MASK) { | |
1402 | case RSX_STATUS_ON: | |
1403 | seq_puts(m, "on\n"); | |
1404 | break; | |
1405 | case RSX_STATUS_RC1: | |
1406 | seq_puts(m, "RC1\n"); | |
1407 | break; | |
1408 | case RSX_STATUS_RC1E: | |
1409 | seq_puts(m, "RC1E\n"); | |
1410 | break; | |
1411 | case RSX_STATUS_RS1: | |
1412 | seq_puts(m, "RS1\n"); | |
1413 | break; | |
1414 | case RSX_STATUS_RS2: | |
1415 | seq_puts(m, "RS2 (RC6)\n"); | |
1416 | break; | |
1417 | case RSX_STATUS_RS3: | |
1418 | seq_puts(m, "RC3 (RC6+)\n"); | |
1419 | break; | |
1420 | default: | |
1421 | seq_puts(m, "unknown\n"); | |
1422 | break; | |
1423 | } | |
1424 | ||
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | static int i915_forcewake_domains(struct seq_file *m, void *data) | |
1429 | { | |
1430 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1431 | struct intel_uncore_forcewake_domain *fw_domain; | |
1432 | ||
1433 | spin_lock_irq(&dev_priv->uncore.lock); | |
1434 | for_each_fw_domain(fw_domain, dev_priv) { | |
1435 | seq_printf(m, "%s.wake_count = %u\n", | |
1436 | intel_uncore_forcewake_domain_to_str(fw_domain->id), | |
1437 | fw_domain->wake_count); | |
1438 | } | |
1439 | spin_unlock_irq(&dev_priv->uncore.lock); | |
1440 | ||
1441 | return 0; | |
1442 | } | |
1443 | ||
1444 | static int vlv_drpc_info(struct seq_file *m) | |
1445 | { | |
1446 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1447 | u32 rpmodectl1, rcctl1, pw_status; | |
1448 | ||
1449 | intel_runtime_pm_get(dev_priv); | |
1450 | ||
1451 | pw_status = I915_READ(VLV_GTLC_PW_STATUS); | |
1452 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); | |
1453 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1454 | ||
1455 | intel_runtime_pm_put(dev_priv); | |
1456 | ||
1457 | seq_printf(m, "Video Turbo Mode: %s\n", | |
1458 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1459 | seq_printf(m, "Turbo enabled: %s\n", | |
1460 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1461 | seq_printf(m, "HW control enabled: %s\n", | |
1462 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1463 | seq_printf(m, "SW control enabled: %s\n", | |
1464 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1465 | GEN6_RP_MEDIA_SW_MODE)); | |
1466 | seq_printf(m, "RC6 Enabled: %s\n", | |
1467 | yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE | | |
1468 | GEN6_RC_CTL_EI_MODE(1)))); | |
1469 | seq_printf(m, "Render Power Well: %s\n", | |
1470 | (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down"); | |
1471 | seq_printf(m, "Media Power Well: %s\n", | |
1472 | (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down"); | |
1473 | ||
1474 | seq_printf(m, "Render RC6 residency since boot: %u\n", | |
1475 | I915_READ(VLV_GT_RENDER_RC6)); | |
1476 | seq_printf(m, "Media RC6 residency since boot: %u\n", | |
1477 | I915_READ(VLV_GT_MEDIA_RC6)); | |
1478 | ||
1479 | return i915_forcewake_domains(m, NULL); | |
1480 | } | |
1481 | ||
1482 | static int gen6_drpc_info(struct seq_file *m) | |
1483 | { | |
1484 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1485 | struct drm_device *dev = &dev_priv->drm; | |
1486 | u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; | |
1487 | u32 gen9_powergate_enable = 0, gen9_powergate_status = 0; | |
1488 | unsigned forcewake_count; | |
1489 | int count = 0, ret; | |
1490 | ||
1491 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1492 | if (ret) | |
1493 | return ret; | |
1494 | intel_runtime_pm_get(dev_priv); | |
1495 | ||
1496 | spin_lock_irq(&dev_priv->uncore.lock); | |
1497 | forcewake_count = dev_priv->uncore.fw_domain[FW_DOMAIN_ID_RENDER].wake_count; | |
1498 | spin_unlock_irq(&dev_priv->uncore.lock); | |
1499 | ||
1500 | if (forcewake_count) { | |
1501 | seq_puts(m, "RC information inaccurate because somebody " | |
1502 | "holds a forcewake reference \n"); | |
1503 | } else { | |
1504 | /* NB: we cannot use forcewake, else we read the wrong values */ | |
1505 | while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) | |
1506 | udelay(10); | |
1507 | seq_printf(m, "RC information accurate: %s\n", yesno(count < 51)); | |
1508 | } | |
1509 | ||
1510 | gt_core_status = I915_READ_FW(GEN6_GT_CORE_STATUS); | |
1511 | trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true); | |
1512 | ||
1513 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); | |
1514 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1515 | if (INTEL_GEN(dev_priv) >= 9) { | |
1516 | gen9_powergate_enable = I915_READ(GEN9_PG_ENABLE); | |
1517 | gen9_powergate_status = I915_READ(GEN9_PWRGT_DOMAIN_STATUS); | |
1518 | } | |
1519 | mutex_unlock(&dev->struct_mutex); | |
1520 | mutex_lock(&dev_priv->rps.hw_lock); | |
1521 | sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); | |
1522 | mutex_unlock(&dev_priv->rps.hw_lock); | |
1523 | ||
1524 | intel_runtime_pm_put(dev_priv); | |
1525 | ||
1526 | seq_printf(m, "Video Turbo Mode: %s\n", | |
1527 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1528 | seq_printf(m, "HW control enabled: %s\n", | |
1529 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1530 | seq_printf(m, "SW control enabled: %s\n", | |
1531 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1532 | GEN6_RP_MEDIA_SW_MODE)); | |
1533 | seq_printf(m, "RC1e Enabled: %s\n", | |
1534 | yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); | |
1535 | seq_printf(m, "RC6 Enabled: %s\n", | |
1536 | yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); | |
1537 | if (INTEL_GEN(dev_priv) >= 9) { | |
1538 | seq_printf(m, "Render Well Gating Enabled: %s\n", | |
1539 | yesno(gen9_powergate_enable & GEN9_RENDER_PG_ENABLE)); | |
1540 | seq_printf(m, "Media Well Gating Enabled: %s\n", | |
1541 | yesno(gen9_powergate_enable & GEN9_MEDIA_PG_ENABLE)); | |
1542 | } | |
1543 | seq_printf(m, "Deep RC6 Enabled: %s\n", | |
1544 | yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); | |
1545 | seq_printf(m, "Deepest RC6 Enabled: %s\n", | |
1546 | yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); | |
1547 | seq_puts(m, "Current RC state: "); | |
1548 | switch (gt_core_status & GEN6_RCn_MASK) { | |
1549 | case GEN6_RC0: | |
1550 | if (gt_core_status & GEN6_CORE_CPD_STATE_MASK) | |
1551 | seq_puts(m, "Core Power Down\n"); | |
1552 | else | |
1553 | seq_puts(m, "on\n"); | |
1554 | break; | |
1555 | case GEN6_RC3: | |
1556 | seq_puts(m, "RC3\n"); | |
1557 | break; | |
1558 | case GEN6_RC6: | |
1559 | seq_puts(m, "RC6\n"); | |
1560 | break; | |
1561 | case GEN6_RC7: | |
1562 | seq_puts(m, "RC7\n"); | |
1563 | break; | |
1564 | default: | |
1565 | seq_puts(m, "Unknown\n"); | |
1566 | break; | |
1567 | } | |
1568 | ||
1569 | seq_printf(m, "Core Power Down: %s\n", | |
1570 | yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK)); | |
1571 | if (INTEL_GEN(dev_priv) >= 9) { | |
1572 | seq_printf(m, "Render Power Well: %s\n", | |
1573 | (gen9_powergate_status & | |
1574 | GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down"); | |
1575 | seq_printf(m, "Media Power Well: %s\n", | |
1576 | (gen9_powergate_status & | |
1577 | GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down"); | |
1578 | } | |
1579 | ||
1580 | /* Not exactly sure what this is */ | |
1581 | seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n", | |
1582 | I915_READ(GEN6_GT_GFX_RC6_LOCKED)); | |
1583 | seq_printf(m, "RC6 residency since boot: %u\n", | |
1584 | I915_READ(GEN6_GT_GFX_RC6)); | |
1585 | seq_printf(m, "RC6+ residency since boot: %u\n", | |
1586 | I915_READ(GEN6_GT_GFX_RC6p)); | |
1587 | seq_printf(m, "RC6++ residency since boot: %u\n", | |
1588 | I915_READ(GEN6_GT_GFX_RC6pp)); | |
1589 | ||
1590 | seq_printf(m, "RC6 voltage: %dmV\n", | |
1591 | GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff))); | |
1592 | seq_printf(m, "RC6+ voltage: %dmV\n", | |
1593 | GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff))); | |
1594 | seq_printf(m, "RC6++ voltage: %dmV\n", | |
1595 | GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff))); | |
1596 | return i915_forcewake_domains(m, NULL); | |
1597 | } | |
1598 | ||
1599 | static int i915_drpc_info(struct seq_file *m, void *unused) | |
1600 | { | |
1601 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1602 | ||
1603 | if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
1604 | return vlv_drpc_info(m); | |
1605 | else if (INTEL_GEN(dev_priv) >= 6) | |
1606 | return gen6_drpc_info(m); | |
1607 | else | |
1608 | return ironlake_drpc_info(m); | |
1609 | } | |
1610 | ||
1611 | static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) | |
1612 | { | |
1613 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1614 | ||
1615 | seq_printf(m, "FB tracking busy bits: 0x%08x\n", | |
1616 | dev_priv->fb_tracking.busy_bits); | |
1617 | ||
1618 | seq_printf(m, "FB tracking flip bits: 0x%08x\n", | |
1619 | dev_priv->fb_tracking.flip_bits); | |
1620 | ||
1621 | return 0; | |
1622 | } | |
1623 | ||
1624 | static int i915_fbc_status(struct seq_file *m, void *unused) | |
1625 | { | |
1626 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1627 | ||
1628 | if (!HAS_FBC(dev_priv)) { | |
1629 | seq_puts(m, "FBC unsupported on this chipset\n"); | |
1630 | return 0; | |
1631 | } | |
1632 | ||
1633 | intel_runtime_pm_get(dev_priv); | |
1634 | mutex_lock(&dev_priv->fbc.lock); | |
1635 | ||
1636 | if (intel_fbc_is_active(dev_priv)) | |
1637 | seq_puts(m, "FBC enabled\n"); | |
1638 | else | |
1639 | seq_printf(m, "FBC disabled: %s\n", | |
1640 | dev_priv->fbc.no_fbc_reason); | |
1641 | ||
1642 | if (intel_fbc_is_active(dev_priv) && INTEL_GEN(dev_priv) >= 7) { | |
1643 | uint32_t mask = INTEL_GEN(dev_priv) >= 8 ? | |
1644 | BDW_FBC_COMPRESSION_MASK : | |
1645 | IVB_FBC_COMPRESSION_MASK; | |
1646 | seq_printf(m, "Compressing: %s\n", | |
1647 | yesno(I915_READ(FBC_STATUS2) & mask)); | |
1648 | } | |
1649 | ||
1650 | mutex_unlock(&dev_priv->fbc.lock); | |
1651 | intel_runtime_pm_put(dev_priv); | |
1652 | ||
1653 | return 0; | |
1654 | } | |
1655 | ||
1656 | static int i915_fbc_fc_get(void *data, u64 *val) | |
1657 | { | |
1658 | struct drm_i915_private *dev_priv = data; | |
1659 | ||
1660 | if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) | |
1661 | return -ENODEV; | |
1662 | ||
1663 | *val = dev_priv->fbc.false_color; | |
1664 | ||
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | static int i915_fbc_fc_set(void *data, u64 val) | |
1669 | { | |
1670 | struct drm_i915_private *dev_priv = data; | |
1671 | u32 reg; | |
1672 | ||
1673 | if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) | |
1674 | return -ENODEV; | |
1675 | ||
1676 | mutex_lock(&dev_priv->fbc.lock); | |
1677 | ||
1678 | reg = I915_READ(ILK_DPFC_CONTROL); | |
1679 | dev_priv->fbc.false_color = val; | |
1680 | ||
1681 | I915_WRITE(ILK_DPFC_CONTROL, val ? | |
1682 | (reg | FBC_CTL_FALSE_COLOR) : | |
1683 | (reg & ~FBC_CTL_FALSE_COLOR)); | |
1684 | ||
1685 | mutex_unlock(&dev_priv->fbc.lock); | |
1686 | return 0; | |
1687 | } | |
1688 | ||
1689 | DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops, | |
1690 | i915_fbc_fc_get, i915_fbc_fc_set, | |
1691 | "%llu\n"); | |
1692 | ||
1693 | static int i915_ips_status(struct seq_file *m, void *unused) | |
1694 | { | |
1695 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1696 | ||
1697 | if (!HAS_IPS(dev_priv)) { | |
1698 | seq_puts(m, "not supported\n"); | |
1699 | return 0; | |
1700 | } | |
1701 | ||
1702 | intel_runtime_pm_get(dev_priv); | |
1703 | ||
1704 | seq_printf(m, "Enabled by kernel parameter: %s\n", | |
1705 | yesno(i915.enable_ips)); | |
1706 | ||
1707 | if (INTEL_GEN(dev_priv) >= 8) { | |
1708 | seq_puts(m, "Currently: unknown\n"); | |
1709 | } else { | |
1710 | if (I915_READ(IPS_CTL) & IPS_ENABLE) | |
1711 | seq_puts(m, "Currently: enabled\n"); | |
1712 | else | |
1713 | seq_puts(m, "Currently: disabled\n"); | |
1714 | } | |
1715 | ||
1716 | intel_runtime_pm_put(dev_priv); | |
1717 | ||
1718 | return 0; | |
1719 | } | |
1720 | ||
1721 | static int i915_sr_status(struct seq_file *m, void *unused) | |
1722 | { | |
1723 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1724 | bool sr_enabled = false; | |
1725 | ||
1726 | intel_runtime_pm_get(dev_priv); | |
1727 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); | |
1728 | ||
1729 | if (HAS_PCH_SPLIT(dev_priv)) | |
1730 | sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; | |
1731 | else if (IS_CRESTLINE(dev_priv) || IS_G4X(dev_priv) || | |
1732 | IS_I945G(dev_priv) || IS_I945GM(dev_priv)) | |
1733 | sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; | |
1734 | else if (IS_I915GM(dev_priv)) | |
1735 | sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; | |
1736 | else if (IS_PINEVIEW(dev_priv)) | |
1737 | sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; | |
1738 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
1739 | sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN; | |
1740 | ||
1741 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); | |
1742 | intel_runtime_pm_put(dev_priv); | |
1743 | ||
1744 | seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled)); | |
1745 | ||
1746 | return 0; | |
1747 | } | |
1748 | ||
1749 | static int i915_emon_status(struct seq_file *m, void *unused) | |
1750 | { | |
1751 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1752 | struct drm_device *dev = &dev_priv->drm; | |
1753 | unsigned long temp, chipset, gfx; | |
1754 | int ret; | |
1755 | ||
1756 | if (!IS_GEN5(dev_priv)) | |
1757 | return -ENODEV; | |
1758 | ||
1759 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1760 | if (ret) | |
1761 | return ret; | |
1762 | ||
1763 | temp = i915_mch_val(dev_priv); | |
1764 | chipset = i915_chipset_val(dev_priv); | |
1765 | gfx = i915_gfx_val(dev_priv); | |
1766 | mutex_unlock(&dev->struct_mutex); | |
1767 | ||
1768 | seq_printf(m, "GMCH temp: %ld\n", temp); | |
1769 | seq_printf(m, "Chipset power: %ld\n", chipset); | |
1770 | seq_printf(m, "GFX power: %ld\n", gfx); | |
1771 | seq_printf(m, "Total power: %ld\n", chipset + gfx); | |
1772 | ||
1773 | return 0; | |
1774 | } | |
1775 | ||
1776 | static int i915_ring_freq_table(struct seq_file *m, void *unused) | |
1777 | { | |
1778 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1779 | int ret = 0; | |
1780 | int gpu_freq, ia_freq; | |
1781 | unsigned int max_gpu_freq, min_gpu_freq; | |
1782 | ||
1783 | if (!HAS_LLC(dev_priv)) { | |
1784 | seq_puts(m, "unsupported on this chipset\n"); | |
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | intel_runtime_pm_get(dev_priv); | |
1789 | ||
1790 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); | |
1791 | if (ret) | |
1792 | goto out; | |
1793 | ||
1794 | if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { | |
1795 | /* Convert GT frequency to 50 HZ units */ | |
1796 | min_gpu_freq = | |
1797 | dev_priv->rps.min_freq_softlimit / GEN9_FREQ_SCALER; | |
1798 | max_gpu_freq = | |
1799 | dev_priv->rps.max_freq_softlimit / GEN9_FREQ_SCALER; | |
1800 | } else { | |
1801 | min_gpu_freq = dev_priv->rps.min_freq_softlimit; | |
1802 | max_gpu_freq = dev_priv->rps.max_freq_softlimit; | |
1803 | } | |
1804 | ||
1805 | seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n"); | |
1806 | ||
1807 | for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) { | |
1808 | ia_freq = gpu_freq; | |
1809 | sandybridge_pcode_read(dev_priv, | |
1810 | GEN6_PCODE_READ_MIN_FREQ_TABLE, | |
1811 | &ia_freq); | |
1812 | seq_printf(m, "%d\t\t%d\t\t\t\t%d\n", | |
1813 | intel_gpu_freq(dev_priv, (gpu_freq * | |
1814 | (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? | |
1815 | GEN9_FREQ_SCALER : 1))), | |
1816 | ((ia_freq >> 0) & 0xff) * 100, | |
1817 | ((ia_freq >> 8) & 0xff) * 100); | |
1818 | } | |
1819 | ||
1820 | mutex_unlock(&dev_priv->rps.hw_lock); | |
1821 | ||
1822 | out: | |
1823 | intel_runtime_pm_put(dev_priv); | |
1824 | return ret; | |
1825 | } | |
1826 | ||
1827 | static int i915_opregion(struct seq_file *m, void *unused) | |
1828 | { | |
1829 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1830 | struct drm_device *dev = &dev_priv->drm; | |
1831 | struct intel_opregion *opregion = &dev_priv->opregion; | |
1832 | int ret; | |
1833 | ||
1834 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1835 | if (ret) | |
1836 | goto out; | |
1837 | ||
1838 | if (opregion->header) | |
1839 | seq_write(m, opregion->header, OPREGION_SIZE); | |
1840 | ||
1841 | mutex_unlock(&dev->struct_mutex); | |
1842 | ||
1843 | out: | |
1844 | return 0; | |
1845 | } | |
1846 | ||
1847 | static int i915_vbt(struct seq_file *m, void *unused) | |
1848 | { | |
1849 | struct intel_opregion *opregion = &node_to_i915(m->private)->opregion; | |
1850 | ||
1851 | if (opregion->vbt) | |
1852 | seq_write(m, opregion->vbt, opregion->vbt_size); | |
1853 | ||
1854 | return 0; | |
1855 | } | |
1856 | ||
1857 | static int i915_gem_framebuffer_info(struct seq_file *m, void *data) | |
1858 | { | |
1859 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1860 | struct drm_device *dev = &dev_priv->drm; | |
1861 | struct intel_framebuffer *fbdev_fb = NULL; | |
1862 | struct drm_framebuffer *drm_fb; | |
1863 | int ret; | |
1864 | ||
1865 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1866 | if (ret) | |
1867 | return ret; | |
1868 | ||
1869 | #ifdef CONFIG_DRM_FBDEV_EMULATION | |
1870 | if (dev_priv->fbdev) { | |
1871 | fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb); | |
1872 | ||
1873 | seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", | |
1874 | fbdev_fb->base.width, | |
1875 | fbdev_fb->base.height, | |
1876 | fbdev_fb->base.format->depth, | |
1877 | fbdev_fb->base.bits_per_pixel, | |
1878 | fbdev_fb->base.modifier, | |
1879 | drm_framebuffer_read_refcount(&fbdev_fb->base)); | |
1880 | describe_obj(m, fbdev_fb->obj); | |
1881 | seq_putc(m, '\n'); | |
1882 | } | |
1883 | #endif | |
1884 | ||
1885 | mutex_lock(&dev->mode_config.fb_lock); | |
1886 | drm_for_each_fb(drm_fb, dev) { | |
1887 | struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb); | |
1888 | if (fb == fbdev_fb) | |
1889 | continue; | |
1890 | ||
1891 | seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", | |
1892 | fb->base.width, | |
1893 | fb->base.height, | |
1894 | fb->base.format->depth, | |
1895 | fb->base.bits_per_pixel, | |
1896 | fb->base.modifier, | |
1897 | drm_framebuffer_read_refcount(&fb->base)); | |
1898 | describe_obj(m, fb->obj); | |
1899 | seq_putc(m, '\n'); | |
1900 | } | |
1901 | mutex_unlock(&dev->mode_config.fb_lock); | |
1902 | mutex_unlock(&dev->struct_mutex); | |
1903 | ||
1904 | return 0; | |
1905 | } | |
1906 | ||
1907 | static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring) | |
1908 | { | |
1909 | seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)", | |
1910 | ring->space, ring->head, ring->tail, | |
1911 | ring->last_retired_head); | |
1912 | } | |
1913 | ||
1914 | static int i915_context_status(struct seq_file *m, void *unused) | |
1915 | { | |
1916 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
1917 | struct drm_device *dev = &dev_priv->drm; | |
1918 | struct intel_engine_cs *engine; | |
1919 | struct i915_gem_context *ctx; | |
1920 | enum intel_engine_id id; | |
1921 | int ret; | |
1922 | ||
1923 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1924 | if (ret) | |
1925 | return ret; | |
1926 | ||
1927 | list_for_each_entry(ctx, &dev_priv->context_list, link) { | |
1928 | seq_printf(m, "HW context %u ", ctx->hw_id); | |
1929 | if (ctx->pid) { | |
1930 | struct task_struct *task; | |
1931 | ||
1932 | task = get_pid_task(ctx->pid, PIDTYPE_PID); | |
1933 | if (task) { | |
1934 | seq_printf(m, "(%s [%d]) ", | |
1935 | task->comm, task->pid); | |
1936 | put_task_struct(task); | |
1937 | } | |
1938 | } else if (IS_ERR(ctx->file_priv)) { | |
1939 | seq_puts(m, "(deleted) "); | |
1940 | } else { | |
1941 | seq_puts(m, "(kernel) "); | |
1942 | } | |
1943 | ||
1944 | seq_putc(m, ctx->remap_slice ? 'R' : 'r'); | |
1945 | seq_putc(m, '\n'); | |
1946 | ||
1947 | for_each_engine(engine, dev_priv, id) { | |
1948 | struct intel_context *ce = &ctx->engine[engine->id]; | |
1949 | ||
1950 | seq_printf(m, "%s: ", engine->name); | |
1951 | seq_putc(m, ce->initialised ? 'I' : 'i'); | |
1952 | if (ce->state) | |
1953 | describe_obj(m, ce->state->obj); | |
1954 | if (ce->ring) | |
1955 | describe_ctx_ring(m, ce->ring); | |
1956 | seq_putc(m, '\n'); | |
1957 | } | |
1958 | ||
1959 | seq_putc(m, '\n'); | |
1960 | } | |
1961 | ||
1962 | mutex_unlock(&dev->struct_mutex); | |
1963 | ||
1964 | return 0; | |
1965 | } | |
1966 | ||
1967 | static void i915_dump_lrc_obj(struct seq_file *m, | |
1968 | struct i915_gem_context *ctx, | |
1969 | struct intel_engine_cs *engine) | |
1970 | { | |
1971 | struct i915_vma *vma = ctx->engine[engine->id].state; | |
1972 | struct page *page; | |
1973 | int j; | |
1974 | ||
1975 | seq_printf(m, "CONTEXT: %s %u\n", engine->name, ctx->hw_id); | |
1976 | ||
1977 | if (!vma) { | |
1978 | seq_puts(m, "\tFake context\n"); | |
1979 | return; | |
1980 | } | |
1981 | ||
1982 | if (vma->flags & I915_VMA_GLOBAL_BIND) | |
1983 | seq_printf(m, "\tBound in GGTT at 0x%08x\n", | |
1984 | i915_ggtt_offset(vma)); | |
1985 | ||
1986 | if (i915_gem_object_pin_pages(vma->obj)) { | |
1987 | seq_puts(m, "\tFailed to get pages for context object\n\n"); | |
1988 | return; | |
1989 | } | |
1990 | ||
1991 | page = i915_gem_object_get_page(vma->obj, LRC_STATE_PN); | |
1992 | if (page) { | |
1993 | u32 *reg_state = kmap_atomic(page); | |
1994 | ||
1995 | for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) { | |
1996 | seq_printf(m, | |
1997 | "\t[0x%04x] 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
1998 | j * 4, | |
1999 | reg_state[j], reg_state[j + 1], | |
2000 | reg_state[j + 2], reg_state[j + 3]); | |
2001 | } | |
2002 | kunmap_atomic(reg_state); | |
2003 | } | |
2004 | ||
2005 | i915_gem_object_unpin_pages(vma->obj); | |
2006 | seq_putc(m, '\n'); | |
2007 | } | |
2008 | ||
2009 | static int i915_dump_lrc(struct seq_file *m, void *unused) | |
2010 | { | |
2011 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2012 | struct drm_device *dev = &dev_priv->drm; | |
2013 | struct intel_engine_cs *engine; | |
2014 | struct i915_gem_context *ctx; | |
2015 | enum intel_engine_id id; | |
2016 | int ret; | |
2017 | ||
2018 | if (!i915.enable_execlists) { | |
2019 | seq_printf(m, "Logical Ring Contexts are disabled\n"); | |
2020 | return 0; | |
2021 | } | |
2022 | ||
2023 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2024 | if (ret) | |
2025 | return ret; | |
2026 | ||
2027 | list_for_each_entry(ctx, &dev_priv->context_list, link) | |
2028 | for_each_engine(engine, dev_priv, id) | |
2029 | i915_dump_lrc_obj(m, ctx, engine); | |
2030 | ||
2031 | mutex_unlock(&dev->struct_mutex); | |
2032 | ||
2033 | return 0; | |
2034 | } | |
2035 | ||
2036 | static const char *swizzle_string(unsigned swizzle) | |
2037 | { | |
2038 | switch (swizzle) { | |
2039 | case I915_BIT_6_SWIZZLE_NONE: | |
2040 | return "none"; | |
2041 | case I915_BIT_6_SWIZZLE_9: | |
2042 | return "bit9"; | |
2043 | case I915_BIT_6_SWIZZLE_9_10: | |
2044 | return "bit9/bit10"; | |
2045 | case I915_BIT_6_SWIZZLE_9_11: | |
2046 | return "bit9/bit11"; | |
2047 | case I915_BIT_6_SWIZZLE_9_10_11: | |
2048 | return "bit9/bit10/bit11"; | |
2049 | case I915_BIT_6_SWIZZLE_9_17: | |
2050 | return "bit9/bit17"; | |
2051 | case I915_BIT_6_SWIZZLE_9_10_17: | |
2052 | return "bit9/bit10/bit17"; | |
2053 | case I915_BIT_6_SWIZZLE_UNKNOWN: | |
2054 | return "unknown"; | |
2055 | } | |
2056 | ||
2057 | return "bug"; | |
2058 | } | |
2059 | ||
2060 | static int i915_swizzle_info(struct seq_file *m, void *data) | |
2061 | { | |
2062 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2063 | ||
2064 | intel_runtime_pm_get(dev_priv); | |
2065 | ||
2066 | seq_printf(m, "bit6 swizzle for X-tiling = %s\n", | |
2067 | swizzle_string(dev_priv->mm.bit_6_swizzle_x)); | |
2068 | seq_printf(m, "bit6 swizzle for Y-tiling = %s\n", | |
2069 | swizzle_string(dev_priv->mm.bit_6_swizzle_y)); | |
2070 | ||
2071 | if (IS_GEN3(dev_priv) || IS_GEN4(dev_priv)) { | |
2072 | seq_printf(m, "DDC = 0x%08x\n", | |
2073 | I915_READ(DCC)); | |
2074 | seq_printf(m, "DDC2 = 0x%08x\n", | |
2075 | I915_READ(DCC2)); | |
2076 | seq_printf(m, "C0DRB3 = 0x%04x\n", | |
2077 | I915_READ16(C0DRB3)); | |
2078 | seq_printf(m, "C1DRB3 = 0x%04x\n", | |
2079 | I915_READ16(C1DRB3)); | |
2080 | } else if (INTEL_GEN(dev_priv) >= 6) { | |
2081 | seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n", | |
2082 | I915_READ(MAD_DIMM_C0)); | |
2083 | seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n", | |
2084 | I915_READ(MAD_DIMM_C1)); | |
2085 | seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n", | |
2086 | I915_READ(MAD_DIMM_C2)); | |
2087 | seq_printf(m, "TILECTL = 0x%08x\n", | |
2088 | I915_READ(TILECTL)); | |
2089 | if (INTEL_GEN(dev_priv) >= 8) | |
2090 | seq_printf(m, "GAMTARBMODE = 0x%08x\n", | |
2091 | I915_READ(GAMTARBMODE)); | |
2092 | else | |
2093 | seq_printf(m, "ARB_MODE = 0x%08x\n", | |
2094 | I915_READ(ARB_MODE)); | |
2095 | seq_printf(m, "DISP_ARB_CTL = 0x%08x\n", | |
2096 | I915_READ(DISP_ARB_CTL)); | |
2097 | } | |
2098 | ||
2099 | if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) | |
2100 | seq_puts(m, "L-shaped memory detected\n"); | |
2101 | ||
2102 | intel_runtime_pm_put(dev_priv); | |
2103 | ||
2104 | return 0; | |
2105 | } | |
2106 | ||
2107 | static int per_file_ctx(int id, void *ptr, void *data) | |
2108 | { | |
2109 | struct i915_gem_context *ctx = ptr; | |
2110 | struct seq_file *m = data; | |
2111 | struct i915_hw_ppgtt *ppgtt = ctx->ppgtt; | |
2112 | ||
2113 | if (!ppgtt) { | |
2114 | seq_printf(m, " no ppgtt for context %d\n", | |
2115 | ctx->user_handle); | |
2116 | return 0; | |
2117 | } | |
2118 | ||
2119 | if (i915_gem_context_is_default(ctx)) | |
2120 | seq_puts(m, " default context:\n"); | |
2121 | else | |
2122 | seq_printf(m, " context %d:\n", ctx->user_handle); | |
2123 | ppgtt->debug_dump(ppgtt, m); | |
2124 | ||
2125 | return 0; | |
2126 | } | |
2127 | ||
2128 | static void gen8_ppgtt_info(struct seq_file *m, | |
2129 | struct drm_i915_private *dev_priv) | |
2130 | { | |
2131 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; | |
2132 | struct intel_engine_cs *engine; | |
2133 | enum intel_engine_id id; | |
2134 | int i; | |
2135 | ||
2136 | if (!ppgtt) | |
2137 | return; | |
2138 | ||
2139 | for_each_engine(engine, dev_priv, id) { | |
2140 | seq_printf(m, "%s\n", engine->name); | |
2141 | for (i = 0; i < 4; i++) { | |
2142 | u64 pdp = I915_READ(GEN8_RING_PDP_UDW(engine, i)); | |
2143 | pdp <<= 32; | |
2144 | pdp |= I915_READ(GEN8_RING_PDP_LDW(engine, i)); | |
2145 | seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp); | |
2146 | } | |
2147 | } | |
2148 | } | |
2149 | ||
2150 | static void gen6_ppgtt_info(struct seq_file *m, | |
2151 | struct drm_i915_private *dev_priv) | |
2152 | { | |
2153 | struct intel_engine_cs *engine; | |
2154 | enum intel_engine_id id; | |
2155 | ||
2156 | if (IS_GEN6(dev_priv)) | |
2157 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE)); | |
2158 | ||
2159 | for_each_engine(engine, dev_priv, id) { | |
2160 | seq_printf(m, "%s\n", engine->name); | |
2161 | if (IS_GEN7(dev_priv)) | |
2162 | seq_printf(m, "GFX_MODE: 0x%08x\n", | |
2163 | I915_READ(RING_MODE_GEN7(engine))); | |
2164 | seq_printf(m, "PP_DIR_BASE: 0x%08x\n", | |
2165 | I915_READ(RING_PP_DIR_BASE(engine))); | |
2166 | seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", | |
2167 | I915_READ(RING_PP_DIR_BASE_READ(engine))); | |
2168 | seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", | |
2169 | I915_READ(RING_PP_DIR_DCLV(engine))); | |
2170 | } | |
2171 | if (dev_priv->mm.aliasing_ppgtt) { | |
2172 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; | |
2173 | ||
2174 | seq_puts(m, "aliasing PPGTT:\n"); | |
2175 | seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset); | |
2176 | ||
2177 | ppgtt->debug_dump(ppgtt, m); | |
2178 | } | |
2179 | ||
2180 | seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); | |
2181 | } | |
2182 | ||
2183 | static int i915_ppgtt_info(struct seq_file *m, void *data) | |
2184 | { | |
2185 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2186 | struct drm_device *dev = &dev_priv->drm; | |
2187 | struct drm_file *file; | |
2188 | int ret; | |
2189 | ||
2190 | mutex_lock(&dev->filelist_mutex); | |
2191 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2192 | if (ret) | |
2193 | goto out_unlock; | |
2194 | ||
2195 | intel_runtime_pm_get(dev_priv); | |
2196 | ||
2197 | if (INTEL_GEN(dev_priv) >= 8) | |
2198 | gen8_ppgtt_info(m, dev_priv); | |
2199 | else if (INTEL_GEN(dev_priv) >= 6) | |
2200 | gen6_ppgtt_info(m, dev_priv); | |
2201 | ||
2202 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { | |
2203 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
2204 | struct task_struct *task; | |
2205 | ||
2206 | task = get_pid_task(file->pid, PIDTYPE_PID); | |
2207 | if (!task) { | |
2208 | ret = -ESRCH; | |
2209 | goto out_rpm; | |
2210 | } | |
2211 | seq_printf(m, "\nproc: %s\n", task->comm); | |
2212 | put_task_struct(task); | |
2213 | idr_for_each(&file_priv->context_idr, per_file_ctx, | |
2214 | (void *)(unsigned long)m); | |
2215 | } | |
2216 | ||
2217 | out_rpm: | |
2218 | intel_runtime_pm_put(dev_priv); | |
2219 | mutex_unlock(&dev->struct_mutex); | |
2220 | out_unlock: | |
2221 | mutex_unlock(&dev->filelist_mutex); | |
2222 | return ret; | |
2223 | } | |
2224 | ||
2225 | static int count_irq_waiters(struct drm_i915_private *i915) | |
2226 | { | |
2227 | struct intel_engine_cs *engine; | |
2228 | enum intel_engine_id id; | |
2229 | int count = 0; | |
2230 | ||
2231 | for_each_engine(engine, i915, id) | |
2232 | count += intel_engine_has_waiter(engine); | |
2233 | ||
2234 | return count; | |
2235 | } | |
2236 | ||
2237 | static const char *rps_power_to_str(unsigned int power) | |
2238 | { | |
2239 | static const char * const strings[] = { | |
2240 | [LOW_POWER] = "low power", | |
2241 | [BETWEEN] = "mixed", | |
2242 | [HIGH_POWER] = "high power", | |
2243 | }; | |
2244 | ||
2245 | if (power >= ARRAY_SIZE(strings) || !strings[power]) | |
2246 | return "unknown"; | |
2247 | ||
2248 | return strings[power]; | |
2249 | } | |
2250 | ||
2251 | static int i915_rps_boost_info(struct seq_file *m, void *data) | |
2252 | { | |
2253 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2254 | struct drm_device *dev = &dev_priv->drm; | |
2255 | struct drm_file *file; | |
2256 | ||
2257 | seq_printf(m, "RPS enabled? %d\n", dev_priv->rps.enabled); | |
2258 | seq_printf(m, "GPU busy? %s [%d requests]\n", | |
2259 | yesno(dev_priv->gt.awake), dev_priv->gt.active_requests); | |
2260 | seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv)); | |
2261 | seq_printf(m, "Frequency requested %d\n", | |
2262 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
2263 | seq_printf(m, " min hard:%d, soft:%d; max soft:%d, hard:%d\n", | |
2264 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq), | |
2265 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit), | |
2266 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit), | |
2267 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
2268 | seq_printf(m, " idle:%d, efficient:%d, boost:%d\n", | |
2269 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq), | |
2270 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq), | |
2271 | intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); | |
2272 | ||
2273 | mutex_lock(&dev->filelist_mutex); | |
2274 | spin_lock(&dev_priv->rps.client_lock); | |
2275 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { | |
2276 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
2277 | struct task_struct *task; | |
2278 | ||
2279 | rcu_read_lock(); | |
2280 | task = pid_task(file->pid, PIDTYPE_PID); | |
2281 | seq_printf(m, "%s [%d]: %d boosts%s\n", | |
2282 | task ? task->comm : "<unknown>", | |
2283 | task ? task->pid : -1, | |
2284 | file_priv->rps.boosts, | |
2285 | list_empty(&file_priv->rps.link) ? "" : ", active"); | |
2286 | rcu_read_unlock(); | |
2287 | } | |
2288 | seq_printf(m, "Kernel (anonymous) boosts: %d\n", dev_priv->rps.boosts); | |
2289 | spin_unlock(&dev_priv->rps.client_lock); | |
2290 | mutex_unlock(&dev->filelist_mutex); | |
2291 | ||
2292 | if (INTEL_GEN(dev_priv) >= 6 && | |
2293 | dev_priv->rps.enabled && | |
2294 | dev_priv->gt.active_requests) { | |
2295 | u32 rpup, rpupei; | |
2296 | u32 rpdown, rpdownei; | |
2297 | ||
2298 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); | |
2299 | rpup = I915_READ_FW(GEN6_RP_CUR_UP) & GEN6_RP_EI_MASK; | |
2300 | rpupei = I915_READ_FW(GEN6_RP_CUR_UP_EI) & GEN6_RP_EI_MASK; | |
2301 | rpdown = I915_READ_FW(GEN6_RP_CUR_DOWN) & GEN6_RP_EI_MASK; | |
2302 | rpdownei = I915_READ_FW(GEN6_RP_CUR_DOWN_EI) & GEN6_RP_EI_MASK; | |
2303 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); | |
2304 | ||
2305 | seq_printf(m, "\nRPS Autotuning (current \"%s\" window):\n", | |
2306 | rps_power_to_str(dev_priv->rps.power)); | |
2307 | seq_printf(m, " Avg. up: %d%% [above threshold? %d%%]\n", | |
2308 | 100 * rpup / rpupei, | |
2309 | dev_priv->rps.up_threshold); | |
2310 | seq_printf(m, " Avg. down: %d%% [below threshold? %d%%]\n", | |
2311 | 100 * rpdown / rpdownei, | |
2312 | dev_priv->rps.down_threshold); | |
2313 | } else { | |
2314 | seq_puts(m, "\nRPS Autotuning inactive\n"); | |
2315 | } | |
2316 | ||
2317 | return 0; | |
2318 | } | |
2319 | ||
2320 | static int i915_llc(struct seq_file *m, void *data) | |
2321 | { | |
2322 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2323 | const bool edram = INTEL_GEN(dev_priv) > 8; | |
2324 | ||
2325 | seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev_priv))); | |
2326 | seq_printf(m, "%s: %lluMB\n", edram ? "eDRAM" : "eLLC", | |
2327 | intel_uncore_edram_size(dev_priv)/1024/1024); | |
2328 | ||
2329 | return 0; | |
2330 | } | |
2331 | ||
2332 | static int i915_guc_load_status_info(struct seq_file *m, void *data) | |
2333 | { | |
2334 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2335 | struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw; | |
2336 | u32 tmp, i; | |
2337 | ||
2338 | if (!HAS_GUC_UCODE(dev_priv)) | |
2339 | return 0; | |
2340 | ||
2341 | seq_printf(m, "GuC firmware status:\n"); | |
2342 | seq_printf(m, "\tpath: %s\n", | |
2343 | guc_fw->guc_fw_path); | |
2344 | seq_printf(m, "\tfetch: %s\n", | |
2345 | intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status)); | |
2346 | seq_printf(m, "\tload: %s\n", | |
2347 | intel_guc_fw_status_repr(guc_fw->guc_fw_load_status)); | |
2348 | seq_printf(m, "\tversion wanted: %d.%d\n", | |
2349 | guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted); | |
2350 | seq_printf(m, "\tversion found: %d.%d\n", | |
2351 | guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found); | |
2352 | seq_printf(m, "\theader: offset is %d; size = %d\n", | |
2353 | guc_fw->header_offset, guc_fw->header_size); | |
2354 | seq_printf(m, "\tuCode: offset is %d; size = %d\n", | |
2355 | guc_fw->ucode_offset, guc_fw->ucode_size); | |
2356 | seq_printf(m, "\tRSA: offset is %d; size = %d\n", | |
2357 | guc_fw->rsa_offset, guc_fw->rsa_size); | |
2358 | ||
2359 | tmp = I915_READ(GUC_STATUS); | |
2360 | ||
2361 | seq_printf(m, "\nGuC status 0x%08x:\n", tmp); | |
2362 | seq_printf(m, "\tBootrom status = 0x%x\n", | |
2363 | (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT); | |
2364 | seq_printf(m, "\tuKernel status = 0x%x\n", | |
2365 | (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT); | |
2366 | seq_printf(m, "\tMIA Core status = 0x%x\n", | |
2367 | (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT); | |
2368 | seq_puts(m, "\nScratch registers:\n"); | |
2369 | for (i = 0; i < 16; i++) | |
2370 | seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i))); | |
2371 | ||
2372 | return 0; | |
2373 | } | |
2374 | ||
2375 | static void i915_guc_log_info(struct seq_file *m, | |
2376 | struct drm_i915_private *dev_priv) | |
2377 | { | |
2378 | struct intel_guc *guc = &dev_priv->guc; | |
2379 | ||
2380 | seq_puts(m, "\nGuC logging stats:\n"); | |
2381 | ||
2382 | seq_printf(m, "\tISR: flush count %10u, overflow count %10u\n", | |
2383 | guc->log.flush_count[GUC_ISR_LOG_BUFFER], | |
2384 | guc->log.total_overflow_count[GUC_ISR_LOG_BUFFER]); | |
2385 | ||
2386 | seq_printf(m, "\tDPC: flush count %10u, overflow count %10u\n", | |
2387 | guc->log.flush_count[GUC_DPC_LOG_BUFFER], | |
2388 | guc->log.total_overflow_count[GUC_DPC_LOG_BUFFER]); | |
2389 | ||
2390 | seq_printf(m, "\tCRASH: flush count %10u, overflow count %10u\n", | |
2391 | guc->log.flush_count[GUC_CRASH_DUMP_LOG_BUFFER], | |
2392 | guc->log.total_overflow_count[GUC_CRASH_DUMP_LOG_BUFFER]); | |
2393 | ||
2394 | seq_printf(m, "\tTotal flush interrupt count: %u\n", | |
2395 | guc->log.flush_interrupt_count); | |
2396 | ||
2397 | seq_printf(m, "\tCapture miss count: %u\n", | |
2398 | guc->log.capture_miss_count); | |
2399 | } | |
2400 | ||
2401 | static void i915_guc_client_info(struct seq_file *m, | |
2402 | struct drm_i915_private *dev_priv, | |
2403 | struct i915_guc_client *client) | |
2404 | { | |
2405 | struct intel_engine_cs *engine; | |
2406 | enum intel_engine_id id; | |
2407 | uint64_t tot = 0; | |
2408 | ||
2409 | seq_printf(m, "\tPriority %d, GuC ctx index: %u, PD offset 0x%x\n", | |
2410 | client->priority, client->ctx_index, client->proc_desc_offset); | |
2411 | seq_printf(m, "\tDoorbell id %d, offset: 0x%x, cookie 0x%x\n", | |
2412 | client->doorbell_id, client->doorbell_offset, client->cookie); | |
2413 | seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n", | |
2414 | client->wq_size, client->wq_offset, client->wq_tail); | |
2415 | ||
2416 | seq_printf(m, "\tWork queue full: %u\n", client->no_wq_space); | |
2417 | seq_printf(m, "\tFailed doorbell: %u\n", client->b_fail); | |
2418 | seq_printf(m, "\tLast submission result: %d\n", client->retcode); | |
2419 | ||
2420 | for_each_engine(engine, dev_priv, id) { | |
2421 | u64 submissions = client->submissions[id]; | |
2422 | tot += submissions; | |
2423 | seq_printf(m, "\tSubmissions: %llu %s\n", | |
2424 | submissions, engine->name); | |
2425 | } | |
2426 | seq_printf(m, "\tTotal: %llu\n", tot); | |
2427 | } | |
2428 | ||
2429 | static int i915_guc_info(struct seq_file *m, void *data) | |
2430 | { | |
2431 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2432 | struct drm_device *dev = &dev_priv->drm; | |
2433 | struct intel_guc guc; | |
2434 | struct i915_guc_client client = {}; | |
2435 | struct intel_engine_cs *engine; | |
2436 | enum intel_engine_id id; | |
2437 | u64 total = 0; | |
2438 | ||
2439 | if (!HAS_GUC_SCHED(dev_priv)) | |
2440 | return 0; | |
2441 | ||
2442 | if (mutex_lock_interruptible(&dev->struct_mutex)) | |
2443 | return 0; | |
2444 | ||
2445 | /* Take a local copy of the GuC data, so we can dump it at leisure */ | |
2446 | guc = dev_priv->guc; | |
2447 | if (guc.execbuf_client) | |
2448 | client = *guc.execbuf_client; | |
2449 | ||
2450 | mutex_unlock(&dev->struct_mutex); | |
2451 | ||
2452 | seq_printf(m, "Doorbell map:\n"); | |
2453 | seq_printf(m, "\t%*pb\n", GUC_MAX_DOORBELLS, guc.doorbell_bitmap); | |
2454 | seq_printf(m, "Doorbell next cacheline: 0x%x\n\n", guc.db_cacheline); | |
2455 | ||
2456 | seq_printf(m, "GuC total action count: %llu\n", guc.action_count); | |
2457 | seq_printf(m, "GuC action failure count: %u\n", guc.action_fail); | |
2458 | seq_printf(m, "GuC last action command: 0x%x\n", guc.action_cmd); | |
2459 | seq_printf(m, "GuC last action status: 0x%x\n", guc.action_status); | |
2460 | seq_printf(m, "GuC last action error code: %d\n", guc.action_err); | |
2461 | ||
2462 | seq_printf(m, "\nGuC submissions:\n"); | |
2463 | for_each_engine(engine, dev_priv, id) { | |
2464 | u64 submissions = guc.submissions[id]; | |
2465 | total += submissions; | |
2466 | seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x\n", | |
2467 | engine->name, submissions, guc.last_seqno[id]); | |
2468 | } | |
2469 | seq_printf(m, "\t%s: %llu\n", "Total", total); | |
2470 | ||
2471 | seq_printf(m, "\nGuC execbuf client @ %p:\n", guc.execbuf_client); | |
2472 | i915_guc_client_info(m, dev_priv, &client); | |
2473 | ||
2474 | i915_guc_log_info(m, dev_priv); | |
2475 | ||
2476 | /* Add more as required ... */ | |
2477 | ||
2478 | return 0; | |
2479 | } | |
2480 | ||
2481 | static int i915_guc_log_dump(struct seq_file *m, void *data) | |
2482 | { | |
2483 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2484 | struct drm_i915_gem_object *obj; | |
2485 | int i = 0, pg; | |
2486 | ||
2487 | if (!dev_priv->guc.log.vma) | |
2488 | return 0; | |
2489 | ||
2490 | obj = dev_priv->guc.log.vma->obj; | |
2491 | for (pg = 0; pg < obj->base.size / PAGE_SIZE; pg++) { | |
2492 | u32 *log = kmap_atomic(i915_gem_object_get_page(obj, pg)); | |
2493 | ||
2494 | for (i = 0; i < PAGE_SIZE / sizeof(u32); i += 4) | |
2495 | seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n", | |
2496 | *(log + i), *(log + i + 1), | |
2497 | *(log + i + 2), *(log + i + 3)); | |
2498 | ||
2499 | kunmap_atomic(log); | |
2500 | } | |
2501 | ||
2502 | seq_putc(m, '\n'); | |
2503 | ||
2504 | return 0; | |
2505 | } | |
2506 | ||
2507 | static int i915_guc_log_control_get(void *data, u64 *val) | |
2508 | { | |
2509 | struct drm_device *dev = data; | |
2510 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2511 | ||
2512 | if (!dev_priv->guc.log.vma) | |
2513 | return -EINVAL; | |
2514 | ||
2515 | *val = i915.guc_log_level; | |
2516 | ||
2517 | return 0; | |
2518 | } | |
2519 | ||
2520 | static int i915_guc_log_control_set(void *data, u64 val) | |
2521 | { | |
2522 | struct drm_device *dev = data; | |
2523 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2524 | int ret; | |
2525 | ||
2526 | if (!dev_priv->guc.log.vma) | |
2527 | return -EINVAL; | |
2528 | ||
2529 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2530 | if (ret) | |
2531 | return ret; | |
2532 | ||
2533 | intel_runtime_pm_get(dev_priv); | |
2534 | ret = i915_guc_log_control(dev_priv, val); | |
2535 | intel_runtime_pm_put(dev_priv); | |
2536 | ||
2537 | mutex_unlock(&dev->struct_mutex); | |
2538 | return ret; | |
2539 | } | |
2540 | ||
2541 | DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_control_fops, | |
2542 | i915_guc_log_control_get, i915_guc_log_control_set, | |
2543 | "%lld\n"); | |
2544 | ||
2545 | static int i915_edp_psr_status(struct seq_file *m, void *data) | |
2546 | { | |
2547 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2548 | u32 psrperf = 0; | |
2549 | u32 stat[3]; | |
2550 | enum pipe pipe; | |
2551 | bool enabled = false; | |
2552 | ||
2553 | if (!HAS_PSR(dev_priv)) { | |
2554 | seq_puts(m, "PSR not supported\n"); | |
2555 | return 0; | |
2556 | } | |
2557 | ||
2558 | intel_runtime_pm_get(dev_priv); | |
2559 | ||
2560 | mutex_lock(&dev_priv->psr.lock); | |
2561 | seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); | |
2562 | seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); | |
2563 | seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); | |
2564 | seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); | |
2565 | seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", | |
2566 | dev_priv->psr.busy_frontbuffer_bits); | |
2567 | seq_printf(m, "Re-enable work scheduled: %s\n", | |
2568 | yesno(work_busy(&dev_priv->psr.work.work))); | |
2569 | ||
2570 | if (HAS_DDI(dev_priv)) | |
2571 | enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; | |
2572 | else { | |
2573 | for_each_pipe(dev_priv, pipe) { | |
2574 | enum transcoder cpu_transcoder = | |
2575 | intel_pipe_to_cpu_transcoder(dev_priv, pipe); | |
2576 | enum intel_display_power_domain power_domain; | |
2577 | ||
2578 | power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); | |
2579 | if (!intel_display_power_get_if_enabled(dev_priv, | |
2580 | power_domain)) | |
2581 | continue; | |
2582 | ||
2583 | stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) & | |
2584 | VLV_EDP_PSR_CURR_STATE_MASK; | |
2585 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2586 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2587 | enabled = true; | |
2588 | ||
2589 | intel_display_power_put(dev_priv, power_domain); | |
2590 | } | |
2591 | } | |
2592 | ||
2593 | seq_printf(m, "Main link in standby mode: %s\n", | |
2594 | yesno(dev_priv->psr.link_standby)); | |
2595 | ||
2596 | seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled)); | |
2597 | ||
2598 | if (!HAS_DDI(dev_priv)) | |
2599 | for_each_pipe(dev_priv, pipe) { | |
2600 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2601 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2602 | seq_printf(m, " pipe %c", pipe_name(pipe)); | |
2603 | } | |
2604 | seq_puts(m, "\n"); | |
2605 | ||
2606 | /* | |
2607 | * VLV/CHV PSR has no kind of performance counter | |
2608 | * SKL+ Perf counter is reset to 0 everytime DC state is entered | |
2609 | */ | |
2610 | if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { | |
2611 | psrperf = I915_READ(EDP_PSR_PERF_CNT) & | |
2612 | EDP_PSR_PERF_CNT_MASK; | |
2613 | ||
2614 | seq_printf(m, "Performance_Counter: %u\n", psrperf); | |
2615 | } | |
2616 | mutex_unlock(&dev_priv->psr.lock); | |
2617 | ||
2618 | intel_runtime_pm_put(dev_priv); | |
2619 | return 0; | |
2620 | } | |
2621 | ||
2622 | static int i915_sink_crc(struct seq_file *m, void *data) | |
2623 | { | |
2624 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2625 | struct drm_device *dev = &dev_priv->drm; | |
2626 | struct intel_connector *connector; | |
2627 | struct intel_dp *intel_dp = NULL; | |
2628 | int ret; | |
2629 | u8 crc[6]; | |
2630 | ||
2631 | drm_modeset_lock_all(dev); | |
2632 | for_each_intel_connector(dev, connector) { | |
2633 | struct drm_crtc *crtc; | |
2634 | ||
2635 | if (!connector->base.state->best_encoder) | |
2636 | continue; | |
2637 | ||
2638 | crtc = connector->base.state->crtc; | |
2639 | if (!crtc->state->active) | |
2640 | continue; | |
2641 | ||
2642 | if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP) | |
2643 | continue; | |
2644 | ||
2645 | intel_dp = enc_to_intel_dp(connector->base.state->best_encoder); | |
2646 | ||
2647 | ret = intel_dp_sink_crc(intel_dp, crc); | |
2648 | if (ret) | |
2649 | goto out; | |
2650 | ||
2651 | seq_printf(m, "%02x%02x%02x%02x%02x%02x\n", | |
2652 | crc[0], crc[1], crc[2], | |
2653 | crc[3], crc[4], crc[5]); | |
2654 | goto out; | |
2655 | } | |
2656 | ret = -ENODEV; | |
2657 | out: | |
2658 | drm_modeset_unlock_all(dev); | |
2659 | return ret; | |
2660 | } | |
2661 | ||
2662 | static int i915_energy_uJ(struct seq_file *m, void *data) | |
2663 | { | |
2664 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2665 | u64 power; | |
2666 | u32 units; | |
2667 | ||
2668 | if (INTEL_GEN(dev_priv) < 6) | |
2669 | return -ENODEV; | |
2670 | ||
2671 | intel_runtime_pm_get(dev_priv); | |
2672 | ||
2673 | rdmsrl(MSR_RAPL_POWER_UNIT, power); | |
2674 | power = (power & 0x1f00) >> 8; | |
2675 | units = 1000000 / (1 << power); /* convert to uJ */ | |
2676 | power = I915_READ(MCH_SECP_NRG_STTS); | |
2677 | power *= units; | |
2678 | ||
2679 | intel_runtime_pm_put(dev_priv); | |
2680 | ||
2681 | seq_printf(m, "%llu", (long long unsigned)power); | |
2682 | ||
2683 | return 0; | |
2684 | } | |
2685 | ||
2686 | static int i915_runtime_pm_status(struct seq_file *m, void *unused) | |
2687 | { | |
2688 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2689 | struct pci_dev *pdev = dev_priv->drm.pdev; | |
2690 | ||
2691 | if (!HAS_RUNTIME_PM(dev_priv)) | |
2692 | seq_puts(m, "Runtime power management not supported\n"); | |
2693 | ||
2694 | seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->gt.awake)); | |
2695 | seq_printf(m, "IRQs disabled: %s\n", | |
2696 | yesno(!intel_irqs_enabled(dev_priv))); | |
2697 | #ifdef CONFIG_PM | |
2698 | seq_printf(m, "Usage count: %d\n", | |
2699 | atomic_read(&dev_priv->drm.dev->power.usage_count)); | |
2700 | #else | |
2701 | seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n"); | |
2702 | #endif | |
2703 | seq_printf(m, "PCI device power state: %s [%d]\n", | |
2704 | pci_power_name(pdev->current_state), | |
2705 | pdev->current_state); | |
2706 | ||
2707 | return 0; | |
2708 | } | |
2709 | ||
2710 | static int i915_power_domain_info(struct seq_file *m, void *unused) | |
2711 | { | |
2712 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2713 | struct i915_power_domains *power_domains = &dev_priv->power_domains; | |
2714 | int i; | |
2715 | ||
2716 | mutex_lock(&power_domains->lock); | |
2717 | ||
2718 | seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count"); | |
2719 | for (i = 0; i < power_domains->power_well_count; i++) { | |
2720 | struct i915_power_well *power_well; | |
2721 | enum intel_display_power_domain power_domain; | |
2722 | ||
2723 | power_well = &power_domains->power_wells[i]; | |
2724 | seq_printf(m, "%-25s %d\n", power_well->name, | |
2725 | power_well->count); | |
2726 | ||
2727 | for (power_domain = 0; power_domain < POWER_DOMAIN_NUM; | |
2728 | power_domain++) { | |
2729 | if (!(BIT(power_domain) & power_well->domains)) | |
2730 | continue; | |
2731 | ||
2732 | seq_printf(m, " %-23s %d\n", | |
2733 | intel_display_power_domain_str(power_domain), | |
2734 | power_domains->domain_use_count[power_domain]); | |
2735 | } | |
2736 | } | |
2737 | ||
2738 | mutex_unlock(&power_domains->lock); | |
2739 | ||
2740 | return 0; | |
2741 | } | |
2742 | ||
2743 | static int i915_dmc_info(struct seq_file *m, void *unused) | |
2744 | { | |
2745 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2746 | struct intel_csr *csr; | |
2747 | ||
2748 | if (!HAS_CSR(dev_priv)) { | |
2749 | seq_puts(m, "not supported\n"); | |
2750 | return 0; | |
2751 | } | |
2752 | ||
2753 | csr = &dev_priv->csr; | |
2754 | ||
2755 | intel_runtime_pm_get(dev_priv); | |
2756 | ||
2757 | seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL)); | |
2758 | seq_printf(m, "path: %s\n", csr->fw_path); | |
2759 | ||
2760 | if (!csr->dmc_payload) | |
2761 | goto out; | |
2762 | ||
2763 | seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version), | |
2764 | CSR_VERSION_MINOR(csr->version)); | |
2765 | ||
2766 | if (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6)) { | |
2767 | seq_printf(m, "DC3 -> DC5 count: %d\n", | |
2768 | I915_READ(SKL_CSR_DC3_DC5_COUNT)); | |
2769 | seq_printf(m, "DC5 -> DC6 count: %d\n", | |
2770 | I915_READ(SKL_CSR_DC5_DC6_COUNT)); | |
2771 | } else if (IS_BROXTON(dev_priv) && csr->version >= CSR_VERSION(1, 4)) { | |
2772 | seq_printf(m, "DC3 -> DC5 count: %d\n", | |
2773 | I915_READ(BXT_CSR_DC3_DC5_COUNT)); | |
2774 | } | |
2775 | ||
2776 | out: | |
2777 | seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0))); | |
2778 | seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE)); | |
2779 | seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL)); | |
2780 | ||
2781 | intel_runtime_pm_put(dev_priv); | |
2782 | ||
2783 | return 0; | |
2784 | } | |
2785 | ||
2786 | static void intel_seq_print_mode(struct seq_file *m, int tabs, | |
2787 | struct drm_display_mode *mode) | |
2788 | { | |
2789 | int i; | |
2790 | ||
2791 | for (i = 0; i < tabs; i++) | |
2792 | seq_putc(m, '\t'); | |
2793 | ||
2794 | 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", | |
2795 | mode->base.id, mode->name, | |
2796 | mode->vrefresh, mode->clock, | |
2797 | mode->hdisplay, mode->hsync_start, | |
2798 | mode->hsync_end, mode->htotal, | |
2799 | mode->vdisplay, mode->vsync_start, | |
2800 | mode->vsync_end, mode->vtotal, | |
2801 | mode->type, mode->flags); | |
2802 | } | |
2803 | ||
2804 | static void intel_encoder_info(struct seq_file *m, | |
2805 | struct intel_crtc *intel_crtc, | |
2806 | struct intel_encoder *intel_encoder) | |
2807 | { | |
2808 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2809 | struct drm_device *dev = &dev_priv->drm; | |
2810 | struct drm_crtc *crtc = &intel_crtc->base; | |
2811 | struct intel_connector *intel_connector; | |
2812 | struct drm_encoder *encoder; | |
2813 | ||
2814 | encoder = &intel_encoder->base; | |
2815 | seq_printf(m, "\tencoder %d: type: %s, connectors:\n", | |
2816 | encoder->base.id, encoder->name); | |
2817 | for_each_connector_on_encoder(dev, encoder, intel_connector) { | |
2818 | struct drm_connector *connector = &intel_connector->base; | |
2819 | seq_printf(m, "\t\tconnector %d: type: %s, status: %s", | |
2820 | connector->base.id, | |
2821 | connector->name, | |
2822 | drm_get_connector_status_name(connector->status)); | |
2823 | if (connector->status == connector_status_connected) { | |
2824 | struct drm_display_mode *mode = &crtc->mode; | |
2825 | seq_printf(m, ", mode:\n"); | |
2826 | intel_seq_print_mode(m, 2, mode); | |
2827 | } else { | |
2828 | seq_putc(m, '\n'); | |
2829 | } | |
2830 | } | |
2831 | } | |
2832 | ||
2833 | static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
2834 | { | |
2835 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
2836 | struct drm_device *dev = &dev_priv->drm; | |
2837 | struct drm_crtc *crtc = &intel_crtc->base; | |
2838 | struct intel_encoder *intel_encoder; | |
2839 | struct drm_plane_state *plane_state = crtc->primary->state; | |
2840 | struct drm_framebuffer *fb = plane_state->fb; | |
2841 | ||
2842 | if (fb) | |
2843 | seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n", | |
2844 | fb->base.id, plane_state->src_x >> 16, | |
2845 | plane_state->src_y >> 16, fb->width, fb->height); | |
2846 | else | |
2847 | seq_puts(m, "\tprimary plane disabled\n"); | |
2848 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) | |
2849 | intel_encoder_info(m, intel_crtc, intel_encoder); | |
2850 | } | |
2851 | ||
2852 | static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) | |
2853 | { | |
2854 | struct drm_display_mode *mode = panel->fixed_mode; | |
2855 | ||
2856 | seq_printf(m, "\tfixed mode:\n"); | |
2857 | intel_seq_print_mode(m, 2, mode); | |
2858 | } | |
2859 | ||
2860 | static void intel_dp_info(struct seq_file *m, | |
2861 | struct intel_connector *intel_connector) | |
2862 | { | |
2863 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2864 | struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); | |
2865 | ||
2866 | seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]); | |
2867 | seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio)); | |
2868 | if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) | |
2869 | intel_panel_info(m, &intel_connector->panel); | |
2870 | ||
2871 | drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports, | |
2872 | &intel_dp->aux); | |
2873 | } | |
2874 | ||
2875 | static void intel_hdmi_info(struct seq_file *m, | |
2876 | struct intel_connector *intel_connector) | |
2877 | { | |
2878 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2879 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); | |
2880 | ||
2881 | seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio)); | |
2882 | } | |
2883 | ||
2884 | static void intel_lvds_info(struct seq_file *m, | |
2885 | struct intel_connector *intel_connector) | |
2886 | { | |
2887 | intel_panel_info(m, &intel_connector->panel); | |
2888 | } | |
2889 | ||
2890 | static void intel_connector_info(struct seq_file *m, | |
2891 | struct drm_connector *connector) | |
2892 | { | |
2893 | struct intel_connector *intel_connector = to_intel_connector(connector); | |
2894 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2895 | struct drm_display_mode *mode; | |
2896 | ||
2897 | seq_printf(m, "connector %d: type %s, status: %s\n", | |
2898 | connector->base.id, connector->name, | |
2899 | drm_get_connector_status_name(connector->status)); | |
2900 | if (connector->status == connector_status_connected) { | |
2901 | seq_printf(m, "\tname: %s\n", connector->display_info.name); | |
2902 | seq_printf(m, "\tphysical dimensions: %dx%dmm\n", | |
2903 | connector->display_info.width_mm, | |
2904 | connector->display_info.height_mm); | |
2905 | seq_printf(m, "\tsubpixel order: %s\n", | |
2906 | drm_get_subpixel_order_name(connector->display_info.subpixel_order)); | |
2907 | seq_printf(m, "\tCEA rev: %d\n", | |
2908 | connector->display_info.cea_rev); | |
2909 | } | |
2910 | ||
2911 | if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST) | |
2912 | return; | |
2913 | ||
2914 | switch (connector->connector_type) { | |
2915 | case DRM_MODE_CONNECTOR_DisplayPort: | |
2916 | case DRM_MODE_CONNECTOR_eDP: | |
2917 | intel_dp_info(m, intel_connector); | |
2918 | break; | |
2919 | case DRM_MODE_CONNECTOR_LVDS: | |
2920 | if (intel_encoder->type == INTEL_OUTPUT_LVDS) | |
2921 | intel_lvds_info(m, intel_connector); | |
2922 | break; | |
2923 | case DRM_MODE_CONNECTOR_HDMIA: | |
2924 | if (intel_encoder->type == INTEL_OUTPUT_HDMI || | |
2925 | intel_encoder->type == INTEL_OUTPUT_UNKNOWN) | |
2926 | intel_hdmi_info(m, intel_connector); | |
2927 | break; | |
2928 | default: | |
2929 | break; | |
2930 | } | |
2931 | ||
2932 | seq_printf(m, "\tmodes:\n"); | |
2933 | list_for_each_entry(mode, &connector->modes, head) | |
2934 | intel_seq_print_mode(m, 2, mode); | |
2935 | } | |
2936 | ||
2937 | static bool cursor_active(struct drm_i915_private *dev_priv, int pipe) | |
2938 | { | |
2939 | u32 state; | |
2940 | ||
2941 | if (IS_845G(dev_priv) || IS_I865G(dev_priv)) | |
2942 | state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE; | |
2943 | else | |
2944 | state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; | |
2945 | ||
2946 | return state; | |
2947 | } | |
2948 | ||
2949 | static bool cursor_position(struct drm_i915_private *dev_priv, | |
2950 | int pipe, int *x, int *y) | |
2951 | { | |
2952 | u32 pos; | |
2953 | ||
2954 | pos = I915_READ(CURPOS(pipe)); | |
2955 | ||
2956 | *x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK; | |
2957 | if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT)) | |
2958 | *x = -*x; | |
2959 | ||
2960 | *y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK; | |
2961 | if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT)) | |
2962 | *y = -*y; | |
2963 | ||
2964 | return cursor_active(dev_priv, pipe); | |
2965 | } | |
2966 | ||
2967 | static const char *plane_type(enum drm_plane_type type) | |
2968 | { | |
2969 | switch (type) { | |
2970 | case DRM_PLANE_TYPE_OVERLAY: | |
2971 | return "OVL"; | |
2972 | case DRM_PLANE_TYPE_PRIMARY: | |
2973 | return "PRI"; | |
2974 | case DRM_PLANE_TYPE_CURSOR: | |
2975 | return "CUR"; | |
2976 | /* | |
2977 | * Deliberately omitting default: to generate compiler warnings | |
2978 | * when a new drm_plane_type gets added. | |
2979 | */ | |
2980 | } | |
2981 | ||
2982 | return "unknown"; | |
2983 | } | |
2984 | ||
2985 | static const char *plane_rotation(unsigned int rotation) | |
2986 | { | |
2987 | static char buf[48]; | |
2988 | /* | |
2989 | * According to doc only one DRM_ROTATE_ is allowed but this | |
2990 | * will print them all to visualize if the values are misused | |
2991 | */ | |
2992 | snprintf(buf, sizeof(buf), | |
2993 | "%s%s%s%s%s%s(0x%08x)", | |
2994 | (rotation & DRM_ROTATE_0) ? "0 " : "", | |
2995 | (rotation & DRM_ROTATE_90) ? "90 " : "", | |
2996 | (rotation & DRM_ROTATE_180) ? "180 " : "", | |
2997 | (rotation & DRM_ROTATE_270) ? "270 " : "", | |
2998 | (rotation & DRM_REFLECT_X) ? "FLIPX " : "", | |
2999 | (rotation & DRM_REFLECT_Y) ? "FLIPY " : "", | |
3000 | rotation); | |
3001 | ||
3002 | return buf; | |
3003 | } | |
3004 | ||
3005 | static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
3006 | { | |
3007 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3008 | struct drm_device *dev = &dev_priv->drm; | |
3009 | struct intel_plane *intel_plane; | |
3010 | ||
3011 | for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { | |
3012 | struct drm_plane_state *state; | |
3013 | struct drm_plane *plane = &intel_plane->base; | |
3014 | struct drm_format_name_buf format_name; | |
3015 | ||
3016 | if (!plane->state) { | |
3017 | seq_puts(m, "plane->state is NULL!\n"); | |
3018 | continue; | |
3019 | } | |
3020 | ||
3021 | state = plane->state; | |
3022 | ||
3023 | if (state->fb) { | |
3024 | drm_get_format_name(state->fb->pixel_format, &format_name); | |
3025 | } else { | |
3026 | sprintf(format_name.str, "N/A"); | |
3027 | } | |
3028 | ||
3029 | 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", | |
3030 | plane->base.id, | |
3031 | plane_type(intel_plane->base.type), | |
3032 | state->crtc_x, state->crtc_y, | |
3033 | state->crtc_w, state->crtc_h, | |
3034 | (state->src_x >> 16), | |
3035 | ((state->src_x & 0xffff) * 15625) >> 10, | |
3036 | (state->src_y >> 16), | |
3037 | ((state->src_y & 0xffff) * 15625) >> 10, | |
3038 | (state->src_w >> 16), | |
3039 | ((state->src_w & 0xffff) * 15625) >> 10, | |
3040 | (state->src_h >> 16), | |
3041 | ((state->src_h & 0xffff) * 15625) >> 10, | |
3042 | format_name.str, | |
3043 | plane_rotation(state->rotation)); | |
3044 | } | |
3045 | } | |
3046 | ||
3047 | static void intel_scaler_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
3048 | { | |
3049 | struct intel_crtc_state *pipe_config; | |
3050 | int num_scalers = intel_crtc->num_scalers; | |
3051 | int i; | |
3052 | ||
3053 | pipe_config = to_intel_crtc_state(intel_crtc->base.state); | |
3054 | ||
3055 | /* Not all platformas have a scaler */ | |
3056 | if (num_scalers) { | |
3057 | seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d", | |
3058 | num_scalers, | |
3059 | pipe_config->scaler_state.scaler_users, | |
3060 | pipe_config->scaler_state.scaler_id); | |
3061 | ||
3062 | for (i = 0; i < SKL_NUM_SCALERS; i++) { | |
3063 | struct intel_scaler *sc = | |
3064 | &pipe_config->scaler_state.scalers[i]; | |
3065 | ||
3066 | seq_printf(m, ", scalers[%d]: use=%s, mode=%x", | |
3067 | i, yesno(sc->in_use), sc->mode); | |
3068 | } | |
3069 | seq_puts(m, "\n"); | |
3070 | } else { | |
3071 | seq_puts(m, "\tNo scalers available on this platform\n"); | |
3072 | } | |
3073 | } | |
3074 | ||
3075 | static int i915_display_info(struct seq_file *m, void *unused) | |
3076 | { | |
3077 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3078 | struct drm_device *dev = &dev_priv->drm; | |
3079 | struct intel_crtc *crtc; | |
3080 | struct drm_connector *connector; | |
3081 | ||
3082 | intel_runtime_pm_get(dev_priv); | |
3083 | drm_modeset_lock_all(dev); | |
3084 | seq_printf(m, "CRTC info\n"); | |
3085 | seq_printf(m, "---------\n"); | |
3086 | for_each_intel_crtc(dev, crtc) { | |
3087 | bool active; | |
3088 | struct intel_crtc_state *pipe_config; | |
3089 | int x, y; | |
3090 | ||
3091 | pipe_config = to_intel_crtc_state(crtc->base.state); | |
3092 | ||
3093 | seq_printf(m, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n", | |
3094 | crtc->base.base.id, pipe_name(crtc->pipe), | |
3095 | yesno(pipe_config->base.active), | |
3096 | pipe_config->pipe_src_w, pipe_config->pipe_src_h, | |
3097 | yesno(pipe_config->dither), pipe_config->pipe_bpp); | |
3098 | ||
3099 | if (pipe_config->base.active) { | |
3100 | intel_crtc_info(m, crtc); | |
3101 | ||
3102 | active = cursor_position(dev_priv, crtc->pipe, &x, &y); | |
3103 | seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n", | |
3104 | yesno(crtc->cursor_base), | |
3105 | x, y, crtc->base.cursor->state->crtc_w, | |
3106 | crtc->base.cursor->state->crtc_h, | |
3107 | crtc->cursor_addr, yesno(active)); | |
3108 | intel_scaler_info(m, crtc); | |
3109 | intel_plane_info(m, crtc); | |
3110 | } | |
3111 | ||
3112 | seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n", | |
3113 | yesno(!crtc->cpu_fifo_underrun_disabled), | |
3114 | yesno(!crtc->pch_fifo_underrun_disabled)); | |
3115 | } | |
3116 | ||
3117 | seq_printf(m, "\n"); | |
3118 | seq_printf(m, "Connector info\n"); | |
3119 | seq_printf(m, "--------------\n"); | |
3120 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
3121 | intel_connector_info(m, connector); | |
3122 | } | |
3123 | drm_modeset_unlock_all(dev); | |
3124 | intel_runtime_pm_put(dev_priv); | |
3125 | ||
3126 | return 0; | |
3127 | } | |
3128 | ||
3129 | static int i915_engine_info(struct seq_file *m, void *unused) | |
3130 | { | |
3131 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3132 | struct intel_engine_cs *engine; | |
3133 | enum intel_engine_id id; | |
3134 | ||
3135 | intel_runtime_pm_get(dev_priv); | |
3136 | ||
3137 | for_each_engine(engine, dev_priv, id) { | |
3138 | struct intel_breadcrumbs *b = &engine->breadcrumbs; | |
3139 | struct drm_i915_gem_request *rq; | |
3140 | struct rb_node *rb; | |
3141 | u64 addr; | |
3142 | ||
3143 | seq_printf(m, "%s\n", engine->name); | |
3144 | seq_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [score %d]\n", | |
3145 | intel_engine_get_seqno(engine), | |
3146 | intel_engine_last_submit(engine), | |
3147 | engine->hangcheck.seqno, | |
3148 | engine->hangcheck.score); | |
3149 | ||
3150 | rcu_read_lock(); | |
3151 | ||
3152 | seq_printf(m, "\tRequests:\n"); | |
3153 | ||
3154 | rq = list_first_entry(&engine->timeline->requests, | |
3155 | struct drm_i915_gem_request, link); | |
3156 | if (&rq->link != &engine->timeline->requests) | |
3157 | print_request(m, rq, "\t\tfirst "); | |
3158 | ||
3159 | rq = list_last_entry(&engine->timeline->requests, | |
3160 | struct drm_i915_gem_request, link); | |
3161 | if (&rq->link != &engine->timeline->requests) | |
3162 | print_request(m, rq, "\t\tlast "); | |
3163 | ||
3164 | rq = i915_gem_find_active_request(engine); | |
3165 | if (rq) { | |
3166 | print_request(m, rq, "\t\tactive "); | |
3167 | seq_printf(m, | |
3168 | "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n", | |
3169 | rq->head, rq->postfix, rq->tail, | |
3170 | rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u, | |
3171 | rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u); | |
3172 | } | |
3173 | ||
3174 | seq_printf(m, "\tRING_START: 0x%08x [0x%08x]\n", | |
3175 | I915_READ(RING_START(engine->mmio_base)), | |
3176 | rq ? i915_ggtt_offset(rq->ring->vma) : 0); | |
3177 | seq_printf(m, "\tRING_HEAD: 0x%08x [0x%08x]\n", | |
3178 | I915_READ(RING_HEAD(engine->mmio_base)) & HEAD_ADDR, | |
3179 | rq ? rq->ring->head : 0); | |
3180 | seq_printf(m, "\tRING_TAIL: 0x%08x [0x%08x]\n", | |
3181 | I915_READ(RING_TAIL(engine->mmio_base)) & TAIL_ADDR, | |
3182 | rq ? rq->ring->tail : 0); | |
3183 | seq_printf(m, "\tRING_CTL: 0x%08x [%s]\n", | |
3184 | I915_READ(RING_CTL(engine->mmio_base)), | |
3185 | I915_READ(RING_CTL(engine->mmio_base)) & (RING_WAIT | RING_WAIT_SEMAPHORE) ? "waiting" : ""); | |
3186 | ||
3187 | rcu_read_unlock(); | |
3188 | ||
3189 | addr = intel_engine_get_active_head(engine); | |
3190 | seq_printf(m, "\tACTHD: 0x%08x_%08x\n", | |
3191 | upper_32_bits(addr), lower_32_bits(addr)); | |
3192 | addr = intel_engine_get_last_batch_head(engine); | |
3193 | seq_printf(m, "\tBBADDR: 0x%08x_%08x\n", | |
3194 | upper_32_bits(addr), lower_32_bits(addr)); | |
3195 | ||
3196 | if (i915.enable_execlists) { | |
3197 | u32 ptr, read, write; | |
3198 | struct rb_node *rb; | |
3199 | ||
3200 | seq_printf(m, "\tExeclist status: 0x%08x %08x\n", | |
3201 | I915_READ(RING_EXECLIST_STATUS_LO(engine)), | |
3202 | I915_READ(RING_EXECLIST_STATUS_HI(engine))); | |
3203 | ||
3204 | ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine)); | |
3205 | read = GEN8_CSB_READ_PTR(ptr); | |
3206 | write = GEN8_CSB_WRITE_PTR(ptr); | |
3207 | seq_printf(m, "\tExeclist CSB read %d, write %d\n", | |
3208 | read, write); | |
3209 | if (read >= GEN8_CSB_ENTRIES) | |
3210 | read = 0; | |
3211 | if (write >= GEN8_CSB_ENTRIES) | |
3212 | write = 0; | |
3213 | if (read > write) | |
3214 | write += GEN8_CSB_ENTRIES; | |
3215 | while (read < write) { | |
3216 | unsigned int idx = ++read % GEN8_CSB_ENTRIES; | |
3217 | ||
3218 | seq_printf(m, "\tExeclist CSB[%d]: 0x%08x, context: %d\n", | |
3219 | idx, | |
3220 | I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, idx)), | |
3221 | I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, idx))); | |
3222 | } | |
3223 | ||
3224 | rcu_read_lock(); | |
3225 | rq = READ_ONCE(engine->execlist_port[0].request); | |
3226 | if (rq) | |
3227 | print_request(m, rq, "\t\tELSP[0] "); | |
3228 | else | |
3229 | seq_printf(m, "\t\tELSP[0] idle\n"); | |
3230 | rq = READ_ONCE(engine->execlist_port[1].request); | |
3231 | if (rq) | |
3232 | print_request(m, rq, "\t\tELSP[1] "); | |
3233 | else | |
3234 | seq_printf(m, "\t\tELSP[1] idle\n"); | |
3235 | rcu_read_unlock(); | |
3236 | ||
3237 | spin_lock_irq(&engine->timeline->lock); | |
3238 | for (rb = engine->execlist_first; rb; rb = rb_next(rb)) { | |
3239 | rq = rb_entry(rb, typeof(*rq), priotree.node); | |
3240 | print_request(m, rq, "\t\tQ "); | |
3241 | } | |
3242 | spin_unlock_irq(&engine->timeline->lock); | |
3243 | } else if (INTEL_GEN(dev_priv) > 6) { | |
3244 | seq_printf(m, "\tPP_DIR_BASE: 0x%08x\n", | |
3245 | I915_READ(RING_PP_DIR_BASE(engine))); | |
3246 | seq_printf(m, "\tPP_DIR_BASE_READ: 0x%08x\n", | |
3247 | I915_READ(RING_PP_DIR_BASE_READ(engine))); | |
3248 | seq_printf(m, "\tPP_DIR_DCLV: 0x%08x\n", | |
3249 | I915_READ(RING_PP_DIR_DCLV(engine))); | |
3250 | } | |
3251 | ||
3252 | spin_lock_irq(&b->lock); | |
3253 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { | |
3254 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
3255 | ||
3256 | seq_printf(m, "\t%s [%d] waiting for %x\n", | |
3257 | w->tsk->comm, w->tsk->pid, w->seqno); | |
3258 | } | |
3259 | spin_unlock_irq(&b->lock); | |
3260 | ||
3261 | seq_puts(m, "\n"); | |
3262 | } | |
3263 | ||
3264 | intel_runtime_pm_put(dev_priv); | |
3265 | ||
3266 | return 0; | |
3267 | } | |
3268 | ||
3269 | static int i915_semaphore_status(struct seq_file *m, void *unused) | |
3270 | { | |
3271 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3272 | struct drm_device *dev = &dev_priv->drm; | |
3273 | struct intel_engine_cs *engine; | |
3274 | int num_rings = INTEL_INFO(dev_priv)->num_rings; | |
3275 | enum intel_engine_id id; | |
3276 | int j, ret; | |
3277 | ||
3278 | if (!i915.semaphores) { | |
3279 | seq_puts(m, "Semaphores are disabled\n"); | |
3280 | return 0; | |
3281 | } | |
3282 | ||
3283 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3284 | if (ret) | |
3285 | return ret; | |
3286 | intel_runtime_pm_get(dev_priv); | |
3287 | ||
3288 | if (IS_BROADWELL(dev_priv)) { | |
3289 | struct page *page; | |
3290 | uint64_t *seqno; | |
3291 | ||
3292 | page = i915_gem_object_get_page(dev_priv->semaphore->obj, 0); | |
3293 | ||
3294 | seqno = (uint64_t *)kmap_atomic(page); | |
3295 | for_each_engine(engine, dev_priv, id) { | |
3296 | uint64_t offset; | |
3297 | ||
3298 | seq_printf(m, "%s\n", engine->name); | |
3299 | ||
3300 | seq_puts(m, " Last signal:"); | |
3301 | for (j = 0; j < num_rings; j++) { | |
3302 | offset = id * I915_NUM_ENGINES + j; | |
3303 | seq_printf(m, "0x%08llx (0x%02llx) ", | |
3304 | seqno[offset], offset * 8); | |
3305 | } | |
3306 | seq_putc(m, '\n'); | |
3307 | ||
3308 | seq_puts(m, " Last wait: "); | |
3309 | for (j = 0; j < num_rings; j++) { | |
3310 | offset = id + (j * I915_NUM_ENGINES); | |
3311 | seq_printf(m, "0x%08llx (0x%02llx) ", | |
3312 | seqno[offset], offset * 8); | |
3313 | } | |
3314 | seq_putc(m, '\n'); | |
3315 | ||
3316 | } | |
3317 | kunmap_atomic(seqno); | |
3318 | } else { | |
3319 | seq_puts(m, " Last signal:"); | |
3320 | for_each_engine(engine, dev_priv, id) | |
3321 | for (j = 0; j < num_rings; j++) | |
3322 | seq_printf(m, "0x%08x\n", | |
3323 | I915_READ(engine->semaphore.mbox.signal[j])); | |
3324 | seq_putc(m, '\n'); | |
3325 | } | |
3326 | ||
3327 | intel_runtime_pm_put(dev_priv); | |
3328 | mutex_unlock(&dev->struct_mutex); | |
3329 | return 0; | |
3330 | } | |
3331 | ||
3332 | static int i915_shared_dplls_info(struct seq_file *m, void *unused) | |
3333 | { | |
3334 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3335 | struct drm_device *dev = &dev_priv->drm; | |
3336 | int i; | |
3337 | ||
3338 | drm_modeset_lock_all(dev); | |
3339 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
3340 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
3341 | ||
3342 | seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id); | |
3343 | seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n", | |
3344 | pll->config.crtc_mask, pll->active_mask, yesno(pll->on)); | |
3345 | seq_printf(m, " tracked hardware state:\n"); | |
3346 | seq_printf(m, " dpll: 0x%08x\n", pll->config.hw_state.dpll); | |
3347 | seq_printf(m, " dpll_md: 0x%08x\n", | |
3348 | pll->config.hw_state.dpll_md); | |
3349 | seq_printf(m, " fp0: 0x%08x\n", pll->config.hw_state.fp0); | |
3350 | seq_printf(m, " fp1: 0x%08x\n", pll->config.hw_state.fp1); | |
3351 | seq_printf(m, " wrpll: 0x%08x\n", pll->config.hw_state.wrpll); | |
3352 | } | |
3353 | drm_modeset_unlock_all(dev); | |
3354 | ||
3355 | return 0; | |
3356 | } | |
3357 | ||
3358 | static int i915_wa_registers(struct seq_file *m, void *unused) | |
3359 | { | |
3360 | int i; | |
3361 | int ret; | |
3362 | struct intel_engine_cs *engine; | |
3363 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3364 | struct drm_device *dev = &dev_priv->drm; | |
3365 | struct i915_workarounds *workarounds = &dev_priv->workarounds; | |
3366 | enum intel_engine_id id; | |
3367 | ||
3368 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3369 | if (ret) | |
3370 | return ret; | |
3371 | ||
3372 | intel_runtime_pm_get(dev_priv); | |
3373 | ||
3374 | seq_printf(m, "Workarounds applied: %d\n", workarounds->count); | |
3375 | for_each_engine(engine, dev_priv, id) | |
3376 | seq_printf(m, "HW whitelist count for %s: %d\n", | |
3377 | engine->name, workarounds->hw_whitelist_count[id]); | |
3378 | for (i = 0; i < workarounds->count; ++i) { | |
3379 | i915_reg_t addr; | |
3380 | u32 mask, value, read; | |
3381 | bool ok; | |
3382 | ||
3383 | addr = workarounds->reg[i].addr; | |
3384 | mask = workarounds->reg[i].mask; | |
3385 | value = workarounds->reg[i].value; | |
3386 | read = I915_READ(addr); | |
3387 | ok = (value & mask) == (read & mask); | |
3388 | seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n", | |
3389 | i915_mmio_reg_offset(addr), value, mask, read, ok ? "OK" : "FAIL"); | |
3390 | } | |
3391 | ||
3392 | intel_runtime_pm_put(dev_priv); | |
3393 | mutex_unlock(&dev->struct_mutex); | |
3394 | ||
3395 | return 0; | |
3396 | } | |
3397 | ||
3398 | static int i915_ddb_info(struct seq_file *m, void *unused) | |
3399 | { | |
3400 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3401 | struct drm_device *dev = &dev_priv->drm; | |
3402 | struct skl_ddb_allocation *ddb; | |
3403 | struct skl_ddb_entry *entry; | |
3404 | enum pipe pipe; | |
3405 | int plane; | |
3406 | ||
3407 | if (INTEL_GEN(dev_priv) < 9) | |
3408 | return 0; | |
3409 | ||
3410 | drm_modeset_lock_all(dev); | |
3411 | ||
3412 | ddb = &dev_priv->wm.skl_hw.ddb; | |
3413 | ||
3414 | seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size"); | |
3415 | ||
3416 | for_each_pipe(dev_priv, pipe) { | |
3417 | seq_printf(m, "Pipe %c\n", pipe_name(pipe)); | |
3418 | ||
3419 | for_each_universal_plane(dev_priv, pipe, plane) { | |
3420 | entry = &ddb->plane[pipe][plane]; | |
3421 | seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1, | |
3422 | entry->start, entry->end, | |
3423 | skl_ddb_entry_size(entry)); | |
3424 | } | |
3425 | ||
3426 | entry = &ddb->plane[pipe][PLANE_CURSOR]; | |
3427 | seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start, | |
3428 | entry->end, skl_ddb_entry_size(entry)); | |
3429 | } | |
3430 | ||
3431 | drm_modeset_unlock_all(dev); | |
3432 | ||
3433 | return 0; | |
3434 | } | |
3435 | ||
3436 | static void drrs_status_per_crtc(struct seq_file *m, | |
3437 | struct drm_device *dev, | |
3438 | struct intel_crtc *intel_crtc) | |
3439 | { | |
3440 | struct drm_i915_private *dev_priv = to_i915(dev); | |
3441 | struct i915_drrs *drrs = &dev_priv->drrs; | |
3442 | int vrefresh = 0; | |
3443 | struct drm_connector *connector; | |
3444 | ||
3445 | drm_for_each_connector(connector, dev) { | |
3446 | if (connector->state->crtc != &intel_crtc->base) | |
3447 | continue; | |
3448 | ||
3449 | seq_printf(m, "%s:\n", connector->name); | |
3450 | } | |
3451 | ||
3452 | if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT) | |
3453 | seq_puts(m, "\tVBT: DRRS_type: Static"); | |
3454 | else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT) | |
3455 | seq_puts(m, "\tVBT: DRRS_type: Seamless"); | |
3456 | else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED) | |
3457 | seq_puts(m, "\tVBT: DRRS_type: None"); | |
3458 | else | |
3459 | seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value"); | |
3460 | ||
3461 | seq_puts(m, "\n\n"); | |
3462 | ||
3463 | if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) { | |
3464 | struct intel_panel *panel; | |
3465 | ||
3466 | mutex_lock(&drrs->mutex); | |
3467 | /* DRRS Supported */ | |
3468 | seq_puts(m, "\tDRRS Supported: Yes\n"); | |
3469 | ||
3470 | /* disable_drrs() will make drrs->dp NULL */ | |
3471 | if (!drrs->dp) { | |
3472 | seq_puts(m, "Idleness DRRS: Disabled"); | |
3473 | mutex_unlock(&drrs->mutex); | |
3474 | return; | |
3475 | } | |
3476 | ||
3477 | panel = &drrs->dp->attached_connector->panel; | |
3478 | seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X", | |
3479 | drrs->busy_frontbuffer_bits); | |
3480 | ||
3481 | seq_puts(m, "\n\t\t"); | |
3482 | if (drrs->refresh_rate_type == DRRS_HIGH_RR) { | |
3483 | seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n"); | |
3484 | vrefresh = panel->fixed_mode->vrefresh; | |
3485 | } else if (drrs->refresh_rate_type == DRRS_LOW_RR) { | |
3486 | seq_puts(m, "DRRS_State: DRRS_LOW_RR\n"); | |
3487 | vrefresh = panel->downclock_mode->vrefresh; | |
3488 | } else { | |
3489 | seq_printf(m, "DRRS_State: Unknown(%d)\n", | |
3490 | drrs->refresh_rate_type); | |
3491 | mutex_unlock(&drrs->mutex); | |
3492 | return; | |
3493 | } | |
3494 | seq_printf(m, "\t\tVrefresh: %d", vrefresh); | |
3495 | ||
3496 | seq_puts(m, "\n\t\t"); | |
3497 | mutex_unlock(&drrs->mutex); | |
3498 | } else { | |
3499 | /* DRRS not supported. Print the VBT parameter*/ | |
3500 | seq_puts(m, "\tDRRS Supported : No"); | |
3501 | } | |
3502 | seq_puts(m, "\n"); | |
3503 | } | |
3504 | ||
3505 | static int i915_drrs_status(struct seq_file *m, void *unused) | |
3506 | { | |
3507 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3508 | struct drm_device *dev = &dev_priv->drm; | |
3509 | struct intel_crtc *intel_crtc; | |
3510 | int active_crtc_cnt = 0; | |
3511 | ||
3512 | drm_modeset_lock_all(dev); | |
3513 | for_each_intel_crtc(dev, intel_crtc) { | |
3514 | if (intel_crtc->base.state->active) { | |
3515 | active_crtc_cnt++; | |
3516 | seq_printf(m, "\nCRTC %d: ", active_crtc_cnt); | |
3517 | ||
3518 | drrs_status_per_crtc(m, dev, intel_crtc); | |
3519 | } | |
3520 | } | |
3521 | drm_modeset_unlock_all(dev); | |
3522 | ||
3523 | if (!active_crtc_cnt) | |
3524 | seq_puts(m, "No active crtc found\n"); | |
3525 | ||
3526 | return 0; | |
3527 | } | |
3528 | ||
3529 | struct pipe_crc_info { | |
3530 | const char *name; | |
3531 | struct drm_i915_private *dev_priv; | |
3532 | enum pipe pipe; | |
3533 | }; | |
3534 | ||
3535 | static int i915_dp_mst_info(struct seq_file *m, void *unused) | |
3536 | { | |
3537 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3538 | struct drm_device *dev = &dev_priv->drm; | |
3539 | struct intel_encoder *intel_encoder; | |
3540 | struct intel_digital_port *intel_dig_port; | |
3541 | struct drm_connector *connector; | |
3542 | ||
3543 | drm_modeset_lock_all(dev); | |
3544 | drm_for_each_connector(connector, dev) { | |
3545 | if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) | |
3546 | continue; | |
3547 | ||
3548 | intel_encoder = intel_attached_encoder(connector); | |
3549 | if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST) | |
3550 | continue; | |
3551 | ||
3552 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
3553 | if (!intel_dig_port->dp.can_mst) | |
3554 | continue; | |
3555 | ||
3556 | seq_printf(m, "MST Source Port %c\n", | |
3557 | port_name(intel_dig_port->port)); | |
3558 | drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr); | |
3559 | } | |
3560 | drm_modeset_unlock_all(dev); | |
3561 | return 0; | |
3562 | } | |
3563 | ||
3564 | static int i915_pipe_crc_open(struct inode *inode, struct file *filep) | |
3565 | { | |
3566 | struct pipe_crc_info *info = inode->i_private; | |
3567 | struct drm_i915_private *dev_priv = info->dev_priv; | |
3568 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
3569 | ||
3570 | if (info->pipe >= INTEL_INFO(dev_priv)->num_pipes) | |
3571 | return -ENODEV; | |
3572 | ||
3573 | spin_lock_irq(&pipe_crc->lock); | |
3574 | ||
3575 | if (pipe_crc->opened) { | |
3576 | spin_unlock_irq(&pipe_crc->lock); | |
3577 | return -EBUSY; /* already open */ | |
3578 | } | |
3579 | ||
3580 | pipe_crc->opened = true; | |
3581 | filep->private_data = inode->i_private; | |
3582 | ||
3583 | spin_unlock_irq(&pipe_crc->lock); | |
3584 | ||
3585 | return 0; | |
3586 | } | |
3587 | ||
3588 | static int i915_pipe_crc_release(struct inode *inode, struct file *filep) | |
3589 | { | |
3590 | struct pipe_crc_info *info = inode->i_private; | |
3591 | struct drm_i915_private *dev_priv = info->dev_priv; | |
3592 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
3593 | ||
3594 | spin_lock_irq(&pipe_crc->lock); | |
3595 | pipe_crc->opened = false; | |
3596 | spin_unlock_irq(&pipe_crc->lock); | |
3597 | ||
3598 | return 0; | |
3599 | } | |
3600 | ||
3601 | /* (6 fields, 8 chars each, space separated (5) + '\n') */ | |
3602 | #define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1) | |
3603 | /* account for \'0' */ | |
3604 | #define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1) | |
3605 | ||
3606 | static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc) | |
3607 | { | |
3608 | assert_spin_locked(&pipe_crc->lock); | |
3609 | return CIRC_CNT(pipe_crc->head, pipe_crc->tail, | |
3610 | INTEL_PIPE_CRC_ENTRIES_NR); | |
3611 | } | |
3612 | ||
3613 | static ssize_t | |
3614 | i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count, | |
3615 | loff_t *pos) | |
3616 | { | |
3617 | struct pipe_crc_info *info = filep->private_data; | |
3618 | struct drm_i915_private *dev_priv = info->dev_priv; | |
3619 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
3620 | char buf[PIPE_CRC_BUFFER_LEN]; | |
3621 | int n_entries; | |
3622 | ssize_t bytes_read; | |
3623 | ||
3624 | /* | |
3625 | * Don't allow user space to provide buffers not big enough to hold | |
3626 | * a line of data. | |
3627 | */ | |
3628 | if (count < PIPE_CRC_LINE_LEN) | |
3629 | return -EINVAL; | |
3630 | ||
3631 | if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE) | |
3632 | return 0; | |
3633 | ||
3634 | /* nothing to read */ | |
3635 | spin_lock_irq(&pipe_crc->lock); | |
3636 | while (pipe_crc_data_count(pipe_crc) == 0) { | |
3637 | int ret; | |
3638 | ||
3639 | if (filep->f_flags & O_NONBLOCK) { | |
3640 | spin_unlock_irq(&pipe_crc->lock); | |
3641 | return -EAGAIN; | |
3642 | } | |
3643 | ||
3644 | ret = wait_event_interruptible_lock_irq(pipe_crc->wq, | |
3645 | pipe_crc_data_count(pipe_crc), pipe_crc->lock); | |
3646 | if (ret) { | |
3647 | spin_unlock_irq(&pipe_crc->lock); | |
3648 | return ret; | |
3649 | } | |
3650 | } | |
3651 | ||
3652 | /* We now have one or more entries to read */ | |
3653 | n_entries = count / PIPE_CRC_LINE_LEN; | |
3654 | ||
3655 | bytes_read = 0; | |
3656 | while (n_entries > 0) { | |
3657 | struct intel_pipe_crc_entry *entry = | |
3658 | &pipe_crc->entries[pipe_crc->tail]; | |
3659 | ||
3660 | if (CIRC_CNT(pipe_crc->head, pipe_crc->tail, | |
3661 | INTEL_PIPE_CRC_ENTRIES_NR) < 1) | |
3662 | break; | |
3663 | ||
3664 | BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR); | |
3665 | pipe_crc->tail = (pipe_crc->tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1); | |
3666 | ||
3667 | bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN, | |
3668 | "%8u %8x %8x %8x %8x %8x\n", | |
3669 | entry->frame, entry->crc[0], | |
3670 | entry->crc[1], entry->crc[2], | |
3671 | entry->crc[3], entry->crc[4]); | |
3672 | ||
3673 | spin_unlock_irq(&pipe_crc->lock); | |
3674 | ||
3675 | if (copy_to_user(user_buf, buf, PIPE_CRC_LINE_LEN)) | |
3676 | return -EFAULT; | |
3677 | ||
3678 | user_buf += PIPE_CRC_LINE_LEN; | |
3679 | n_entries--; | |
3680 | ||
3681 | spin_lock_irq(&pipe_crc->lock); | |
3682 | } | |
3683 | ||
3684 | spin_unlock_irq(&pipe_crc->lock); | |
3685 | ||
3686 | return bytes_read; | |
3687 | } | |
3688 | ||
3689 | static const struct file_operations i915_pipe_crc_fops = { | |
3690 | .owner = THIS_MODULE, | |
3691 | .open = i915_pipe_crc_open, | |
3692 | .read = i915_pipe_crc_read, | |
3693 | .release = i915_pipe_crc_release, | |
3694 | }; | |
3695 | ||
3696 | static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = { | |
3697 | { | |
3698 | .name = "i915_pipe_A_crc", | |
3699 | .pipe = PIPE_A, | |
3700 | }, | |
3701 | { | |
3702 | .name = "i915_pipe_B_crc", | |
3703 | .pipe = PIPE_B, | |
3704 | }, | |
3705 | { | |
3706 | .name = "i915_pipe_C_crc", | |
3707 | .pipe = PIPE_C, | |
3708 | }, | |
3709 | }; | |
3710 | ||
3711 | static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor, | |
3712 | enum pipe pipe) | |
3713 | { | |
3714 | struct drm_i915_private *dev_priv = to_i915(minor->dev); | |
3715 | struct dentry *ent; | |
3716 | struct pipe_crc_info *info = &i915_pipe_crc_data[pipe]; | |
3717 | ||
3718 | info->dev_priv = dev_priv; | |
3719 | ent = debugfs_create_file(info->name, S_IRUGO, root, info, | |
3720 | &i915_pipe_crc_fops); | |
3721 | if (!ent) | |
3722 | return -ENOMEM; | |
3723 | ||
3724 | return drm_add_fake_info_node(minor, ent, info); | |
3725 | } | |
3726 | ||
3727 | static const char * const pipe_crc_sources[] = { | |
3728 | "none", | |
3729 | "plane1", | |
3730 | "plane2", | |
3731 | "pf", | |
3732 | "pipe", | |
3733 | "TV", | |
3734 | "DP-B", | |
3735 | "DP-C", | |
3736 | "DP-D", | |
3737 | "auto", | |
3738 | }; | |
3739 | ||
3740 | static const char *pipe_crc_source_name(enum intel_pipe_crc_source source) | |
3741 | { | |
3742 | BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX); | |
3743 | return pipe_crc_sources[source]; | |
3744 | } | |
3745 | ||
3746 | static int display_crc_ctl_show(struct seq_file *m, void *data) | |
3747 | { | |
3748 | struct drm_i915_private *dev_priv = m->private; | |
3749 | int i; | |
3750 | ||
3751 | for (i = 0; i < I915_MAX_PIPES; i++) | |
3752 | seq_printf(m, "%c %s\n", pipe_name(i), | |
3753 | pipe_crc_source_name(dev_priv->pipe_crc[i].source)); | |
3754 | ||
3755 | return 0; | |
3756 | } | |
3757 | ||
3758 | static int display_crc_ctl_open(struct inode *inode, struct file *file) | |
3759 | { | |
3760 | return single_open(file, display_crc_ctl_show, inode->i_private); | |
3761 | } | |
3762 | ||
3763 | static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, | |
3764 | uint32_t *val) | |
3765 | { | |
3766 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) | |
3767 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3768 | ||
3769 | switch (*source) { | |
3770 | case INTEL_PIPE_CRC_SOURCE_PIPE: | |
3771 | *val = PIPE_CRC_ENABLE | PIPE_CRC_INCLUDE_BORDER_I8XX; | |
3772 | break; | |
3773 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3774 | *val = 0; | |
3775 | break; | |
3776 | default: | |
3777 | return -EINVAL; | |
3778 | } | |
3779 | ||
3780 | return 0; | |
3781 | } | |
3782 | ||
3783 | static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv, | |
3784 | enum pipe pipe, | |
3785 | enum intel_pipe_crc_source *source) | |
3786 | { | |
3787 | struct drm_device *dev = &dev_priv->drm; | |
3788 | struct intel_encoder *encoder; | |
3789 | struct intel_crtc *crtc; | |
3790 | struct intel_digital_port *dig_port; | |
3791 | int ret = 0; | |
3792 | ||
3793 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3794 | ||
3795 | drm_modeset_lock_all(dev); | |
3796 | for_each_intel_encoder(dev, encoder) { | |
3797 | if (!encoder->base.crtc) | |
3798 | continue; | |
3799 | ||
3800 | crtc = to_intel_crtc(encoder->base.crtc); | |
3801 | ||
3802 | if (crtc->pipe != pipe) | |
3803 | continue; | |
3804 | ||
3805 | switch (encoder->type) { | |
3806 | case INTEL_OUTPUT_TVOUT: | |
3807 | *source = INTEL_PIPE_CRC_SOURCE_TV; | |
3808 | break; | |
3809 | case INTEL_OUTPUT_DP: | |
3810 | case INTEL_OUTPUT_EDP: | |
3811 | dig_port = enc_to_dig_port(&encoder->base); | |
3812 | switch (dig_port->port) { | |
3813 | case PORT_B: | |
3814 | *source = INTEL_PIPE_CRC_SOURCE_DP_B; | |
3815 | break; | |
3816 | case PORT_C: | |
3817 | *source = INTEL_PIPE_CRC_SOURCE_DP_C; | |
3818 | break; | |
3819 | case PORT_D: | |
3820 | *source = INTEL_PIPE_CRC_SOURCE_DP_D; | |
3821 | break; | |
3822 | default: | |
3823 | WARN(1, "nonexisting DP port %c\n", | |
3824 | port_name(dig_port->port)); | |
3825 | break; | |
3826 | } | |
3827 | break; | |
3828 | default: | |
3829 | break; | |
3830 | } | |
3831 | } | |
3832 | drm_modeset_unlock_all(dev); | |
3833 | ||
3834 | return ret; | |
3835 | } | |
3836 | ||
3837 | static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv, | |
3838 | enum pipe pipe, | |
3839 | enum intel_pipe_crc_source *source, | |
3840 | uint32_t *val) | |
3841 | { | |
3842 | bool need_stable_symbols = false; | |
3843 | ||
3844 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { | |
3845 | int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source); | |
3846 | if (ret) | |
3847 | return ret; | |
3848 | } | |
3849 | ||
3850 | switch (*source) { | |
3851 | case INTEL_PIPE_CRC_SOURCE_PIPE: | |
3852 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV; | |
3853 | break; | |
3854 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
3855 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV; | |
3856 | need_stable_symbols = true; | |
3857 | break; | |
3858 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
3859 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV; | |
3860 | need_stable_symbols = true; | |
3861 | break; | |
3862 | case INTEL_PIPE_CRC_SOURCE_DP_D: | |
3863 | if (!IS_CHERRYVIEW(dev_priv)) | |
3864 | return -EINVAL; | |
3865 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_VLV; | |
3866 | need_stable_symbols = true; | |
3867 | break; | |
3868 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3869 | *val = 0; | |
3870 | break; | |
3871 | default: | |
3872 | return -EINVAL; | |
3873 | } | |
3874 | ||
3875 | /* | |
3876 | * When the pipe CRC tap point is after the transcoders we need | |
3877 | * to tweak symbol-level features to produce a deterministic series of | |
3878 | * symbols for a given frame. We need to reset those features only once | |
3879 | * a frame (instead of every nth symbol): | |
3880 | * - DC-balance: used to ensure a better clock recovery from the data | |
3881 | * link (SDVO) | |
3882 | * - DisplayPort scrambling: used for EMI reduction | |
3883 | */ | |
3884 | if (need_stable_symbols) { | |
3885 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3886 | ||
3887 | tmp |= DC_BALANCE_RESET_VLV; | |
3888 | switch (pipe) { | |
3889 | case PIPE_A: | |
3890 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
3891 | break; | |
3892 | case PIPE_B: | |
3893 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
3894 | break; | |
3895 | case PIPE_C: | |
3896 | tmp |= PIPE_C_SCRAMBLE_RESET; | |
3897 | break; | |
3898 | default: | |
3899 | return -EINVAL; | |
3900 | } | |
3901 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3902 | } | |
3903 | ||
3904 | return 0; | |
3905 | } | |
3906 | ||
3907 | static int i9xx_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv, | |
3908 | enum pipe pipe, | |
3909 | enum intel_pipe_crc_source *source, | |
3910 | uint32_t *val) | |
3911 | { | |
3912 | bool need_stable_symbols = false; | |
3913 | ||
3914 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { | |
3915 | int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source); | |
3916 | if (ret) | |
3917 | return ret; | |
3918 | } | |
3919 | ||
3920 | switch (*source) { | |
3921 | case INTEL_PIPE_CRC_SOURCE_PIPE: | |
3922 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_I9XX; | |
3923 | break; | |
3924 | case INTEL_PIPE_CRC_SOURCE_TV: | |
3925 | if (!SUPPORTS_TV(dev_priv)) | |
3926 | return -EINVAL; | |
3927 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_TV_PRE; | |
3928 | break; | |
3929 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
3930 | if (!IS_G4X(dev_priv)) | |
3931 | return -EINVAL; | |
3932 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_G4X; | |
3933 | need_stable_symbols = true; | |
3934 | break; | |
3935 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
3936 | if (!IS_G4X(dev_priv)) | |
3937 | return -EINVAL; | |
3938 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_G4X; | |
3939 | need_stable_symbols = true; | |
3940 | break; | |
3941 | case INTEL_PIPE_CRC_SOURCE_DP_D: | |
3942 | if (!IS_G4X(dev_priv)) | |
3943 | return -EINVAL; | |
3944 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_G4X; | |
3945 | need_stable_symbols = true; | |
3946 | break; | |
3947 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3948 | *val = 0; | |
3949 | break; | |
3950 | default: | |
3951 | return -EINVAL; | |
3952 | } | |
3953 | ||
3954 | /* | |
3955 | * When the pipe CRC tap point is after the transcoders we need | |
3956 | * to tweak symbol-level features to produce a deterministic series of | |
3957 | * symbols for a given frame. We need to reset those features only once | |
3958 | * a frame (instead of every nth symbol): | |
3959 | * - DC-balance: used to ensure a better clock recovery from the data | |
3960 | * link (SDVO) | |
3961 | * - DisplayPort scrambling: used for EMI reduction | |
3962 | */ | |
3963 | if (need_stable_symbols) { | |
3964 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3965 | ||
3966 | WARN_ON(!IS_G4X(dev_priv)); | |
3967 | ||
3968 | I915_WRITE(PORT_DFT_I9XX, | |
3969 | I915_READ(PORT_DFT_I9XX) | DC_BALANCE_RESET); | |
3970 | ||
3971 | if (pipe == PIPE_A) | |
3972 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
3973 | else | |
3974 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
3975 | ||
3976 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3977 | } | |
3978 | ||
3979 | return 0; | |
3980 | } | |
3981 | ||
3982 | static void vlv_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv, | |
3983 | enum pipe pipe) | |
3984 | { | |
3985 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3986 | ||
3987 | switch (pipe) { | |
3988 | case PIPE_A: | |
3989 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
3990 | break; | |
3991 | case PIPE_B: | |
3992 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
3993 | break; | |
3994 | case PIPE_C: | |
3995 | tmp &= ~PIPE_C_SCRAMBLE_RESET; | |
3996 | break; | |
3997 | default: | |
3998 | return; | |
3999 | } | |
4000 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) | |
4001 | tmp &= ~DC_BALANCE_RESET_VLV; | |
4002 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
4003 | ||
4004 | } | |
4005 | ||
4006 | static void g4x_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv, | |
4007 | enum pipe pipe) | |
4008 | { | |
4009 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
4010 | ||
4011 | if (pipe == PIPE_A) | |
4012 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
4013 | else | |
4014 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
4015 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
4016 | ||
4017 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) { | |
4018 | I915_WRITE(PORT_DFT_I9XX, | |
4019 | I915_READ(PORT_DFT_I9XX) & ~DC_BALANCE_RESET); | |
4020 | } | |
4021 | } | |
4022 | ||
4023 | static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, | |
4024 | uint32_t *val) | |
4025 | { | |
4026 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) | |
4027 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
4028 | ||
4029 | switch (*source) { | |
4030 | case INTEL_PIPE_CRC_SOURCE_PLANE1: | |
4031 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_ILK; | |
4032 | break; | |
4033 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
4034 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK; | |
4035 | break; | |
4036 | case INTEL_PIPE_CRC_SOURCE_PIPE: | |
4037 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK; | |
4038 | break; | |
4039 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
4040 | *val = 0; | |
4041 | break; | |
4042 | default: | |
4043 | return -EINVAL; | |
4044 | } | |
4045 | ||
4046 | return 0; | |
4047 | } | |
4048 | ||
4049 | static void hsw_trans_edp_pipe_A_crc_wa(struct drm_i915_private *dev_priv, | |
4050 | bool enable) | |
4051 | { | |
4052 | struct drm_device *dev = &dev_priv->drm; | |
4053 | struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A); | |
4054 | struct intel_crtc_state *pipe_config; | |
4055 | struct drm_atomic_state *state; | |
4056 | int ret = 0; | |
4057 | ||
4058 | drm_modeset_lock_all(dev); | |
4059 | state = drm_atomic_state_alloc(dev); | |
4060 | if (!state) { | |
4061 | ret = -ENOMEM; | |
4062 | goto out; | |
4063 | } | |
4064 | ||
4065 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(&crtc->base); | |
4066 | pipe_config = intel_atomic_get_crtc_state(state, crtc); | |
4067 | if (IS_ERR(pipe_config)) { | |
4068 | ret = PTR_ERR(pipe_config); | |
4069 | goto out; | |
4070 | } | |
4071 | ||
4072 | pipe_config->pch_pfit.force_thru = enable; | |
4073 | if (pipe_config->cpu_transcoder == TRANSCODER_EDP && | |
4074 | pipe_config->pch_pfit.enabled != enable) | |
4075 | pipe_config->base.connectors_changed = true; | |
4076 | ||
4077 | ret = drm_atomic_commit(state); | |
4078 | out: | |
4079 | WARN(ret, "Toggling workaround to %i returns %i\n", enable, ret); | |
4080 | drm_modeset_unlock_all(dev); | |
4081 | drm_atomic_state_put(state); | |
4082 | } | |
4083 | ||
4084 | static int ivb_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv, | |
4085 | enum pipe pipe, | |
4086 | enum intel_pipe_crc_source *source, | |
4087 | uint32_t *val) | |
4088 | { | |
4089 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) | |
4090 | *source = INTEL_PIPE_CRC_SOURCE_PF; | |
4091 | ||
4092 | switch (*source) { | |
4093 | case INTEL_PIPE_CRC_SOURCE_PLANE1: | |
4094 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB; | |
4095 | break; | |
4096 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
4097 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB; | |
4098 | break; | |
4099 | case INTEL_PIPE_CRC_SOURCE_PF: | |
4100 | if (IS_HASWELL(dev_priv) && pipe == PIPE_A) | |
4101 | hsw_trans_edp_pipe_A_crc_wa(dev_priv, true); | |
4102 | ||
4103 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; | |
4104 | break; | |
4105 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
4106 | *val = 0; | |
4107 | break; | |
4108 | default: | |
4109 | return -EINVAL; | |
4110 | } | |
4111 | ||
4112 | return 0; | |
4113 | } | |
4114 | ||
4115 | static int pipe_crc_set_source(struct drm_i915_private *dev_priv, | |
4116 | enum pipe pipe, | |
4117 | enum intel_pipe_crc_source source) | |
4118 | { | |
4119 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; | |
4120 | struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe); | |
4121 | enum intel_display_power_domain power_domain; | |
4122 | u32 val = 0; /* shut up gcc */ | |
4123 | int ret; | |
4124 | ||
4125 | if (pipe_crc->source == source) | |
4126 | return 0; | |
4127 | ||
4128 | /* forbid changing the source without going back to 'none' */ | |
4129 | if (pipe_crc->source && source) | |
4130 | return -EINVAL; | |
4131 | ||
4132 | power_domain = POWER_DOMAIN_PIPE(pipe); | |
4133 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) { | |
4134 | DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n"); | |
4135 | return -EIO; | |
4136 | } | |
4137 | ||
4138 | if (IS_GEN2(dev_priv)) | |
4139 | ret = i8xx_pipe_crc_ctl_reg(&source, &val); | |
4140 | else if (INTEL_GEN(dev_priv) < 5) | |
4141 | ret = i9xx_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); | |
4142 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
4143 | ret = vlv_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); | |
4144 | else if (IS_GEN5(dev_priv) || IS_GEN6(dev_priv)) | |
4145 | ret = ilk_pipe_crc_ctl_reg(&source, &val); | |
4146 | else | |
4147 | ret = ivb_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); | |
4148 | ||
4149 | if (ret != 0) | |
4150 | goto out; | |
4151 | ||
4152 | /* none -> real source transition */ | |
4153 | if (source) { | |
4154 | struct intel_pipe_crc_entry *entries; | |
4155 | ||
4156 | DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n", | |
4157 | pipe_name(pipe), pipe_crc_source_name(source)); | |
4158 | ||
4159 | entries = kcalloc(INTEL_PIPE_CRC_ENTRIES_NR, | |
4160 | sizeof(pipe_crc->entries[0]), | |
4161 | GFP_KERNEL); | |
4162 | if (!entries) { | |
4163 | ret = -ENOMEM; | |
4164 | goto out; | |
4165 | } | |
4166 | ||
4167 | /* | |
4168 | * When IPS gets enabled, the pipe CRC changes. Since IPS gets | |
4169 | * enabled and disabled dynamically based on package C states, | |
4170 | * user space can't make reliable use of the CRCs, so let's just | |
4171 | * completely disable it. | |
4172 | */ | |
4173 | hsw_disable_ips(crtc); | |
4174 | ||
4175 | spin_lock_irq(&pipe_crc->lock); | |
4176 | kfree(pipe_crc->entries); | |
4177 | pipe_crc->entries = entries; | |
4178 | pipe_crc->head = 0; | |
4179 | pipe_crc->tail = 0; | |
4180 | spin_unlock_irq(&pipe_crc->lock); | |
4181 | } | |
4182 | ||
4183 | pipe_crc->source = source; | |
4184 | ||
4185 | I915_WRITE(PIPE_CRC_CTL(pipe), val); | |
4186 | POSTING_READ(PIPE_CRC_CTL(pipe)); | |
4187 | ||
4188 | /* real source -> none transition */ | |
4189 | if (source == INTEL_PIPE_CRC_SOURCE_NONE) { | |
4190 | struct intel_pipe_crc_entry *entries; | |
4191 | struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, | |
4192 | pipe); | |
4193 | ||
4194 | DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n", | |
4195 | pipe_name(pipe)); | |
4196 | ||
4197 | drm_modeset_lock(&crtc->base.mutex, NULL); | |
4198 | if (crtc->base.state->active) | |
4199 | intel_wait_for_vblank(dev_priv, pipe); | |
4200 | drm_modeset_unlock(&crtc->base.mutex); | |
4201 | ||
4202 | spin_lock_irq(&pipe_crc->lock); | |
4203 | entries = pipe_crc->entries; | |
4204 | pipe_crc->entries = NULL; | |
4205 | pipe_crc->head = 0; | |
4206 | pipe_crc->tail = 0; | |
4207 | spin_unlock_irq(&pipe_crc->lock); | |
4208 | ||
4209 | kfree(entries); | |
4210 | ||
4211 | if (IS_G4X(dev_priv)) | |
4212 | g4x_undo_pipe_scramble_reset(dev_priv, pipe); | |
4213 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
4214 | vlv_undo_pipe_scramble_reset(dev_priv, pipe); | |
4215 | else if (IS_HASWELL(dev_priv) && pipe == PIPE_A) | |
4216 | hsw_trans_edp_pipe_A_crc_wa(dev_priv, false); | |
4217 | ||
4218 | hsw_enable_ips(crtc); | |
4219 | } | |
4220 | ||
4221 | ret = 0; | |
4222 | ||
4223 | out: | |
4224 | intel_display_power_put(dev_priv, power_domain); | |
4225 | ||
4226 | return ret; | |
4227 | } | |
4228 | ||
4229 | /* | |
4230 | * Parse pipe CRC command strings: | |
4231 | * command: wsp* object wsp+ name wsp+ source wsp* | |
4232 | * object: 'pipe' | |
4233 | * name: (A | B | C) | |
4234 | * source: (none | plane1 | plane2 | pf) | |
4235 | * wsp: (#0x20 | #0x9 | #0xA)+ | |
4236 | * | |
4237 | * eg.: | |
4238 | * "pipe A plane1" -> Start CRC computations on plane1 of pipe A | |
4239 | * "pipe A none" -> Stop CRC | |
4240 | */ | |
4241 | static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words) | |
4242 | { | |
4243 | int n_words = 0; | |
4244 | ||
4245 | while (*buf) { | |
4246 | char *end; | |
4247 | ||
4248 | /* skip leading white space */ | |
4249 | buf = skip_spaces(buf); | |
4250 | if (!*buf) | |
4251 | break; /* end of buffer */ | |
4252 | ||
4253 | /* find end of word */ | |
4254 | for (end = buf; *end && !isspace(*end); end++) | |
4255 | ; | |
4256 | ||
4257 | if (n_words == max_words) { | |
4258 | DRM_DEBUG_DRIVER("too many words, allowed <= %d\n", | |
4259 | max_words); | |
4260 | return -EINVAL; /* ran out of words[] before bytes */ | |
4261 | } | |
4262 | ||
4263 | if (*end) | |
4264 | *end++ = '\0'; | |
4265 | words[n_words++] = buf; | |
4266 | buf = end; | |
4267 | } | |
4268 | ||
4269 | return n_words; | |
4270 | } | |
4271 | ||
4272 | enum intel_pipe_crc_object { | |
4273 | PIPE_CRC_OBJECT_PIPE, | |
4274 | }; | |
4275 | ||
4276 | static const char * const pipe_crc_objects[] = { | |
4277 | "pipe", | |
4278 | }; | |
4279 | ||
4280 | static int | |
4281 | display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o) | |
4282 | { | |
4283 | int i; | |
4284 | ||
4285 | for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++) | |
4286 | if (!strcmp(buf, pipe_crc_objects[i])) { | |
4287 | *o = i; | |
4288 | return 0; | |
4289 | } | |
4290 | ||
4291 | return -EINVAL; | |
4292 | } | |
4293 | ||
4294 | static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe) | |
4295 | { | |
4296 | const char name = buf[0]; | |
4297 | ||
4298 | if (name < 'A' || name >= pipe_name(I915_MAX_PIPES)) | |
4299 | return -EINVAL; | |
4300 | ||
4301 | *pipe = name - 'A'; | |
4302 | ||
4303 | return 0; | |
4304 | } | |
4305 | ||
4306 | static int | |
4307 | display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s) | |
4308 | { | |
4309 | int i; | |
4310 | ||
4311 | for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++) | |
4312 | if (!strcmp(buf, pipe_crc_sources[i])) { | |
4313 | *s = i; | |
4314 | return 0; | |
4315 | } | |
4316 | ||
4317 | return -EINVAL; | |
4318 | } | |
4319 | ||
4320 | static int display_crc_ctl_parse(struct drm_i915_private *dev_priv, | |
4321 | char *buf, size_t len) | |
4322 | { | |
4323 | #define N_WORDS 3 | |
4324 | int n_words; | |
4325 | char *words[N_WORDS]; | |
4326 | enum pipe pipe; | |
4327 | enum intel_pipe_crc_object object; | |
4328 | enum intel_pipe_crc_source source; | |
4329 | ||
4330 | n_words = display_crc_ctl_tokenize(buf, words, N_WORDS); | |
4331 | if (n_words != N_WORDS) { | |
4332 | DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n", | |
4333 | N_WORDS); | |
4334 | return -EINVAL; | |
4335 | } | |
4336 | ||
4337 | if (display_crc_ctl_parse_object(words[0], &object) < 0) { | |
4338 | DRM_DEBUG_DRIVER("unknown object %s\n", words[0]); | |
4339 | return -EINVAL; | |
4340 | } | |
4341 | ||
4342 | if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) { | |
4343 | DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]); | |
4344 | return -EINVAL; | |
4345 | } | |
4346 | ||
4347 | if (display_crc_ctl_parse_source(words[2], &source) < 0) { | |
4348 | DRM_DEBUG_DRIVER("unknown source %s\n", words[2]); | |
4349 | return -EINVAL; | |
4350 | } | |
4351 | ||
4352 | return pipe_crc_set_source(dev_priv, pipe, source); | |
4353 | } | |
4354 | ||
4355 | static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf, | |
4356 | size_t len, loff_t *offp) | |
4357 | { | |
4358 | struct seq_file *m = file->private_data; | |
4359 | struct drm_i915_private *dev_priv = m->private; | |
4360 | char *tmpbuf; | |
4361 | int ret; | |
4362 | ||
4363 | if (len == 0) | |
4364 | return 0; | |
4365 | ||
4366 | if (len > PAGE_SIZE - 1) { | |
4367 | DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n", | |
4368 | PAGE_SIZE); | |
4369 | return -E2BIG; | |
4370 | } | |
4371 | ||
4372 | tmpbuf = kmalloc(len + 1, GFP_KERNEL); | |
4373 | if (!tmpbuf) | |
4374 | return -ENOMEM; | |
4375 | ||
4376 | if (copy_from_user(tmpbuf, ubuf, len)) { | |
4377 | ret = -EFAULT; | |
4378 | goto out; | |
4379 | } | |
4380 | tmpbuf[len] = '\0'; | |
4381 | ||
4382 | ret = display_crc_ctl_parse(dev_priv, tmpbuf, len); | |
4383 | ||
4384 | out: | |
4385 | kfree(tmpbuf); | |
4386 | if (ret < 0) | |
4387 | return ret; | |
4388 | ||
4389 | *offp += len; | |
4390 | return len; | |
4391 | } | |
4392 | ||
4393 | static const struct file_operations i915_display_crc_ctl_fops = { | |
4394 | .owner = THIS_MODULE, | |
4395 | .open = display_crc_ctl_open, | |
4396 | .read = seq_read, | |
4397 | .llseek = seq_lseek, | |
4398 | .release = single_release, | |
4399 | .write = display_crc_ctl_write | |
4400 | }; | |
4401 | ||
4402 | static ssize_t i915_displayport_test_active_write(struct file *file, | |
4403 | const char __user *ubuf, | |
4404 | size_t len, loff_t *offp) | |
4405 | { | |
4406 | char *input_buffer; | |
4407 | int status = 0; | |
4408 | struct drm_device *dev; | |
4409 | struct drm_connector *connector; | |
4410 | struct list_head *connector_list; | |
4411 | struct intel_dp *intel_dp; | |
4412 | int val = 0; | |
4413 | ||
4414 | dev = ((struct seq_file *)file->private_data)->private; | |
4415 | ||
4416 | connector_list = &dev->mode_config.connector_list; | |
4417 | ||
4418 | if (len == 0) | |
4419 | return 0; | |
4420 | ||
4421 | input_buffer = kmalloc(len + 1, GFP_KERNEL); | |
4422 | if (!input_buffer) | |
4423 | return -ENOMEM; | |
4424 | ||
4425 | if (copy_from_user(input_buffer, ubuf, len)) { | |
4426 | status = -EFAULT; | |
4427 | goto out; | |
4428 | } | |
4429 | ||
4430 | input_buffer[len] = '\0'; | |
4431 | DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len); | |
4432 | ||
4433 | list_for_each_entry(connector, connector_list, head) { | |
4434 | if (connector->connector_type != | |
4435 | DRM_MODE_CONNECTOR_DisplayPort) | |
4436 | continue; | |
4437 | ||
4438 | if (connector->status == connector_status_connected && | |
4439 | connector->encoder != NULL) { | |
4440 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4441 | status = kstrtoint(input_buffer, 10, &val); | |
4442 | if (status < 0) | |
4443 | goto out; | |
4444 | DRM_DEBUG_DRIVER("Got %d for test active\n", val); | |
4445 | /* To prevent erroneous activation of the compliance | |
4446 | * testing code, only accept an actual value of 1 here | |
4447 | */ | |
4448 | if (val == 1) | |
4449 | intel_dp->compliance_test_active = 1; | |
4450 | else | |
4451 | intel_dp->compliance_test_active = 0; | |
4452 | } | |
4453 | } | |
4454 | out: | |
4455 | kfree(input_buffer); | |
4456 | if (status < 0) | |
4457 | return status; | |
4458 | ||
4459 | *offp += len; | |
4460 | return len; | |
4461 | } | |
4462 | ||
4463 | static int i915_displayport_test_active_show(struct seq_file *m, void *data) | |
4464 | { | |
4465 | struct drm_device *dev = m->private; | |
4466 | struct drm_connector *connector; | |
4467 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4468 | struct intel_dp *intel_dp; | |
4469 | ||
4470 | list_for_each_entry(connector, connector_list, head) { | |
4471 | if (connector->connector_type != | |
4472 | DRM_MODE_CONNECTOR_DisplayPort) | |
4473 | continue; | |
4474 | ||
4475 | if (connector->status == connector_status_connected && | |
4476 | connector->encoder != NULL) { | |
4477 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4478 | if (intel_dp->compliance_test_active) | |
4479 | seq_puts(m, "1"); | |
4480 | else | |
4481 | seq_puts(m, "0"); | |
4482 | } else | |
4483 | seq_puts(m, "0"); | |
4484 | } | |
4485 | ||
4486 | return 0; | |
4487 | } | |
4488 | ||
4489 | static int i915_displayport_test_active_open(struct inode *inode, | |
4490 | struct file *file) | |
4491 | { | |
4492 | struct drm_i915_private *dev_priv = inode->i_private; | |
4493 | ||
4494 | return single_open(file, i915_displayport_test_active_show, | |
4495 | &dev_priv->drm); | |
4496 | } | |
4497 | ||
4498 | static const struct file_operations i915_displayport_test_active_fops = { | |
4499 | .owner = THIS_MODULE, | |
4500 | .open = i915_displayport_test_active_open, | |
4501 | .read = seq_read, | |
4502 | .llseek = seq_lseek, | |
4503 | .release = single_release, | |
4504 | .write = i915_displayport_test_active_write | |
4505 | }; | |
4506 | ||
4507 | static int i915_displayport_test_data_show(struct seq_file *m, void *data) | |
4508 | { | |
4509 | struct drm_device *dev = m->private; | |
4510 | struct drm_connector *connector; | |
4511 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4512 | struct intel_dp *intel_dp; | |
4513 | ||
4514 | list_for_each_entry(connector, connector_list, head) { | |
4515 | if (connector->connector_type != | |
4516 | DRM_MODE_CONNECTOR_DisplayPort) | |
4517 | continue; | |
4518 | ||
4519 | if (connector->status == connector_status_connected && | |
4520 | connector->encoder != NULL) { | |
4521 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4522 | seq_printf(m, "%lx", intel_dp->compliance_test_data); | |
4523 | } else | |
4524 | seq_puts(m, "0"); | |
4525 | } | |
4526 | ||
4527 | return 0; | |
4528 | } | |
4529 | static int i915_displayport_test_data_open(struct inode *inode, | |
4530 | struct file *file) | |
4531 | { | |
4532 | struct drm_i915_private *dev_priv = inode->i_private; | |
4533 | ||
4534 | return single_open(file, i915_displayport_test_data_show, | |
4535 | &dev_priv->drm); | |
4536 | } | |
4537 | ||
4538 | static const struct file_operations i915_displayport_test_data_fops = { | |
4539 | .owner = THIS_MODULE, | |
4540 | .open = i915_displayport_test_data_open, | |
4541 | .read = seq_read, | |
4542 | .llseek = seq_lseek, | |
4543 | .release = single_release | |
4544 | }; | |
4545 | ||
4546 | static int i915_displayport_test_type_show(struct seq_file *m, void *data) | |
4547 | { | |
4548 | struct drm_device *dev = m->private; | |
4549 | struct drm_connector *connector; | |
4550 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4551 | struct intel_dp *intel_dp; | |
4552 | ||
4553 | list_for_each_entry(connector, connector_list, head) { | |
4554 | if (connector->connector_type != | |
4555 | DRM_MODE_CONNECTOR_DisplayPort) | |
4556 | continue; | |
4557 | ||
4558 | if (connector->status == connector_status_connected && | |
4559 | connector->encoder != NULL) { | |
4560 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4561 | seq_printf(m, "%02lx", intel_dp->compliance_test_type); | |
4562 | } else | |
4563 | seq_puts(m, "0"); | |
4564 | } | |
4565 | ||
4566 | return 0; | |
4567 | } | |
4568 | ||
4569 | static int i915_displayport_test_type_open(struct inode *inode, | |
4570 | struct file *file) | |
4571 | { | |
4572 | struct drm_i915_private *dev_priv = inode->i_private; | |
4573 | ||
4574 | return single_open(file, i915_displayport_test_type_show, | |
4575 | &dev_priv->drm); | |
4576 | } | |
4577 | ||
4578 | static const struct file_operations i915_displayport_test_type_fops = { | |
4579 | .owner = THIS_MODULE, | |
4580 | .open = i915_displayport_test_type_open, | |
4581 | .read = seq_read, | |
4582 | .llseek = seq_lseek, | |
4583 | .release = single_release | |
4584 | }; | |
4585 | ||
4586 | static void wm_latency_show(struct seq_file *m, const uint16_t wm[8]) | |
4587 | { | |
4588 | struct drm_i915_private *dev_priv = m->private; | |
4589 | struct drm_device *dev = &dev_priv->drm; | |
4590 | int level; | |
4591 | int num_levels; | |
4592 | ||
4593 | if (IS_CHERRYVIEW(dev_priv)) | |
4594 | num_levels = 3; | |
4595 | else if (IS_VALLEYVIEW(dev_priv)) | |
4596 | num_levels = 1; | |
4597 | else | |
4598 | num_levels = ilk_wm_max_level(dev_priv) + 1; | |
4599 | ||
4600 | drm_modeset_lock_all(dev); | |
4601 | ||
4602 | for (level = 0; level < num_levels; level++) { | |
4603 | unsigned int latency = wm[level]; | |
4604 | ||
4605 | /* | |
4606 | * - WM1+ latency values in 0.5us units | |
4607 | * - latencies are in us on gen9/vlv/chv | |
4608 | */ | |
4609 | if (INTEL_GEN(dev_priv) >= 9 || IS_VALLEYVIEW(dev_priv) || | |
4610 | IS_CHERRYVIEW(dev_priv)) | |
4611 | latency *= 10; | |
4612 | else if (level > 0) | |
4613 | latency *= 5; | |
4614 | ||
4615 | seq_printf(m, "WM%d %u (%u.%u usec)\n", | |
4616 | level, wm[level], latency / 10, latency % 10); | |
4617 | } | |
4618 | ||
4619 | drm_modeset_unlock_all(dev); | |
4620 | } | |
4621 | ||
4622 | static int pri_wm_latency_show(struct seq_file *m, void *data) | |
4623 | { | |
4624 | struct drm_i915_private *dev_priv = m->private; | |
4625 | const uint16_t *latencies; | |
4626 | ||
4627 | if (INTEL_GEN(dev_priv) >= 9) | |
4628 | latencies = dev_priv->wm.skl_latency; | |
4629 | else | |
4630 | latencies = dev_priv->wm.pri_latency; | |
4631 | ||
4632 | wm_latency_show(m, latencies); | |
4633 | ||
4634 | return 0; | |
4635 | } | |
4636 | ||
4637 | static int spr_wm_latency_show(struct seq_file *m, void *data) | |
4638 | { | |
4639 | struct drm_i915_private *dev_priv = m->private; | |
4640 | const uint16_t *latencies; | |
4641 | ||
4642 | if (INTEL_GEN(dev_priv) >= 9) | |
4643 | latencies = dev_priv->wm.skl_latency; | |
4644 | else | |
4645 | latencies = dev_priv->wm.spr_latency; | |
4646 | ||
4647 | wm_latency_show(m, latencies); | |
4648 | ||
4649 | return 0; | |
4650 | } | |
4651 | ||
4652 | static int cur_wm_latency_show(struct seq_file *m, void *data) | |
4653 | { | |
4654 | struct drm_i915_private *dev_priv = m->private; | |
4655 | const uint16_t *latencies; | |
4656 | ||
4657 | if (INTEL_GEN(dev_priv) >= 9) | |
4658 | latencies = dev_priv->wm.skl_latency; | |
4659 | else | |
4660 | latencies = dev_priv->wm.cur_latency; | |
4661 | ||
4662 | wm_latency_show(m, latencies); | |
4663 | ||
4664 | return 0; | |
4665 | } | |
4666 | ||
4667 | static int pri_wm_latency_open(struct inode *inode, struct file *file) | |
4668 | { | |
4669 | struct drm_i915_private *dev_priv = inode->i_private; | |
4670 | ||
4671 | if (INTEL_GEN(dev_priv) < 5) | |
4672 | return -ENODEV; | |
4673 | ||
4674 | return single_open(file, pri_wm_latency_show, dev_priv); | |
4675 | } | |
4676 | ||
4677 | static int spr_wm_latency_open(struct inode *inode, struct file *file) | |
4678 | { | |
4679 | struct drm_i915_private *dev_priv = inode->i_private; | |
4680 | ||
4681 | if (HAS_GMCH_DISPLAY(dev_priv)) | |
4682 | return -ENODEV; | |
4683 | ||
4684 | return single_open(file, spr_wm_latency_show, dev_priv); | |
4685 | } | |
4686 | ||
4687 | static int cur_wm_latency_open(struct inode *inode, struct file *file) | |
4688 | { | |
4689 | struct drm_i915_private *dev_priv = inode->i_private; | |
4690 | ||
4691 | if (HAS_GMCH_DISPLAY(dev_priv)) | |
4692 | return -ENODEV; | |
4693 | ||
4694 | return single_open(file, cur_wm_latency_show, dev_priv); | |
4695 | } | |
4696 | ||
4697 | static ssize_t wm_latency_write(struct file *file, const char __user *ubuf, | |
4698 | size_t len, loff_t *offp, uint16_t wm[8]) | |
4699 | { | |
4700 | struct seq_file *m = file->private_data; | |
4701 | struct drm_i915_private *dev_priv = m->private; | |
4702 | struct drm_device *dev = &dev_priv->drm; | |
4703 | uint16_t new[8] = { 0 }; | |
4704 | int num_levels; | |
4705 | int level; | |
4706 | int ret; | |
4707 | char tmp[32]; | |
4708 | ||
4709 | if (IS_CHERRYVIEW(dev_priv)) | |
4710 | num_levels = 3; | |
4711 | else if (IS_VALLEYVIEW(dev_priv)) | |
4712 | num_levels = 1; | |
4713 | else | |
4714 | num_levels = ilk_wm_max_level(dev_priv) + 1; | |
4715 | ||
4716 | if (len >= sizeof(tmp)) | |
4717 | return -EINVAL; | |
4718 | ||
4719 | if (copy_from_user(tmp, ubuf, len)) | |
4720 | return -EFAULT; | |
4721 | ||
4722 | tmp[len] = '\0'; | |
4723 | ||
4724 | ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu", | |
4725 | &new[0], &new[1], &new[2], &new[3], | |
4726 | &new[4], &new[5], &new[6], &new[7]); | |
4727 | if (ret != num_levels) | |
4728 | return -EINVAL; | |
4729 | ||
4730 | drm_modeset_lock_all(dev); | |
4731 | ||
4732 | for (level = 0; level < num_levels; level++) | |
4733 | wm[level] = new[level]; | |
4734 | ||
4735 | drm_modeset_unlock_all(dev); | |
4736 | ||
4737 | return len; | |
4738 | } | |
4739 | ||
4740 | ||
4741 | static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf, | |
4742 | size_t len, loff_t *offp) | |
4743 | { | |
4744 | struct seq_file *m = file->private_data; | |
4745 | struct drm_i915_private *dev_priv = m->private; | |
4746 | uint16_t *latencies; | |
4747 | ||
4748 | if (INTEL_GEN(dev_priv) >= 9) | |
4749 | latencies = dev_priv->wm.skl_latency; | |
4750 | else | |
4751 | latencies = dev_priv->wm.pri_latency; | |
4752 | ||
4753 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
4754 | } | |
4755 | ||
4756 | static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf, | |
4757 | size_t len, loff_t *offp) | |
4758 | { | |
4759 | struct seq_file *m = file->private_data; | |
4760 | struct drm_i915_private *dev_priv = m->private; | |
4761 | uint16_t *latencies; | |
4762 | ||
4763 | if (INTEL_GEN(dev_priv) >= 9) | |
4764 | latencies = dev_priv->wm.skl_latency; | |
4765 | else | |
4766 | latencies = dev_priv->wm.spr_latency; | |
4767 | ||
4768 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
4769 | } | |
4770 | ||
4771 | static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf, | |
4772 | size_t len, loff_t *offp) | |
4773 | { | |
4774 | struct seq_file *m = file->private_data; | |
4775 | struct drm_i915_private *dev_priv = m->private; | |
4776 | uint16_t *latencies; | |
4777 | ||
4778 | if (INTEL_GEN(dev_priv) >= 9) | |
4779 | latencies = dev_priv->wm.skl_latency; | |
4780 | else | |
4781 | latencies = dev_priv->wm.cur_latency; | |
4782 | ||
4783 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
4784 | } | |
4785 | ||
4786 | static const struct file_operations i915_pri_wm_latency_fops = { | |
4787 | .owner = THIS_MODULE, | |
4788 | .open = pri_wm_latency_open, | |
4789 | .read = seq_read, | |
4790 | .llseek = seq_lseek, | |
4791 | .release = single_release, | |
4792 | .write = pri_wm_latency_write | |
4793 | }; | |
4794 | ||
4795 | static const struct file_operations i915_spr_wm_latency_fops = { | |
4796 | .owner = THIS_MODULE, | |
4797 | .open = spr_wm_latency_open, | |
4798 | .read = seq_read, | |
4799 | .llseek = seq_lseek, | |
4800 | .release = single_release, | |
4801 | .write = spr_wm_latency_write | |
4802 | }; | |
4803 | ||
4804 | static const struct file_operations i915_cur_wm_latency_fops = { | |
4805 | .owner = THIS_MODULE, | |
4806 | .open = cur_wm_latency_open, | |
4807 | .read = seq_read, | |
4808 | .llseek = seq_lseek, | |
4809 | .release = single_release, | |
4810 | .write = cur_wm_latency_write | |
4811 | }; | |
4812 | ||
4813 | static int | |
4814 | i915_wedged_get(void *data, u64 *val) | |
4815 | { | |
4816 | struct drm_i915_private *dev_priv = data; | |
4817 | ||
4818 | *val = i915_terminally_wedged(&dev_priv->gpu_error); | |
4819 | ||
4820 | return 0; | |
4821 | } | |
4822 | ||
4823 | static int | |
4824 | i915_wedged_set(void *data, u64 val) | |
4825 | { | |
4826 | struct drm_i915_private *dev_priv = data; | |
4827 | ||
4828 | /* | |
4829 | * There is no safeguard against this debugfs entry colliding | |
4830 | * with the hangcheck calling same i915_handle_error() in | |
4831 | * parallel, causing an explosion. For now we assume that the | |
4832 | * test harness is responsible enough not to inject gpu hangs | |
4833 | * while it is writing to 'i915_wedged' | |
4834 | */ | |
4835 | ||
4836 | if (i915_reset_in_progress(&dev_priv->gpu_error)) | |
4837 | return -EAGAIN; | |
4838 | ||
4839 | i915_handle_error(dev_priv, val, | |
4840 | "Manually setting wedged to %llu", val); | |
4841 | ||
4842 | return 0; | |
4843 | } | |
4844 | ||
4845 | DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, | |
4846 | i915_wedged_get, i915_wedged_set, | |
4847 | "%llu\n"); | |
4848 | ||
4849 | static int | |
4850 | i915_ring_missed_irq_get(void *data, u64 *val) | |
4851 | { | |
4852 | struct drm_i915_private *dev_priv = data; | |
4853 | ||
4854 | *val = dev_priv->gpu_error.missed_irq_rings; | |
4855 | return 0; | |
4856 | } | |
4857 | ||
4858 | static int | |
4859 | i915_ring_missed_irq_set(void *data, u64 val) | |
4860 | { | |
4861 | struct drm_i915_private *dev_priv = data; | |
4862 | struct drm_device *dev = &dev_priv->drm; | |
4863 | int ret; | |
4864 | ||
4865 | /* Lock against concurrent debugfs callers */ | |
4866 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4867 | if (ret) | |
4868 | return ret; | |
4869 | dev_priv->gpu_error.missed_irq_rings = val; | |
4870 | mutex_unlock(&dev->struct_mutex); | |
4871 | ||
4872 | return 0; | |
4873 | } | |
4874 | ||
4875 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops, | |
4876 | i915_ring_missed_irq_get, i915_ring_missed_irq_set, | |
4877 | "0x%08llx\n"); | |
4878 | ||
4879 | static int | |
4880 | i915_ring_test_irq_get(void *data, u64 *val) | |
4881 | { | |
4882 | struct drm_i915_private *dev_priv = data; | |
4883 | ||
4884 | *val = dev_priv->gpu_error.test_irq_rings; | |
4885 | ||
4886 | return 0; | |
4887 | } | |
4888 | ||
4889 | static int | |
4890 | i915_ring_test_irq_set(void *data, u64 val) | |
4891 | { | |
4892 | struct drm_i915_private *dev_priv = data; | |
4893 | ||
4894 | val &= INTEL_INFO(dev_priv)->ring_mask; | |
4895 | DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val); | |
4896 | dev_priv->gpu_error.test_irq_rings = val; | |
4897 | ||
4898 | return 0; | |
4899 | } | |
4900 | ||
4901 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, | |
4902 | i915_ring_test_irq_get, i915_ring_test_irq_set, | |
4903 | "0x%08llx\n"); | |
4904 | ||
4905 | #define DROP_UNBOUND 0x1 | |
4906 | #define DROP_BOUND 0x2 | |
4907 | #define DROP_RETIRE 0x4 | |
4908 | #define DROP_ACTIVE 0x8 | |
4909 | #define DROP_FREED 0x10 | |
4910 | #define DROP_ALL (DROP_UNBOUND | \ | |
4911 | DROP_BOUND | \ | |
4912 | DROP_RETIRE | \ | |
4913 | DROP_ACTIVE | \ | |
4914 | DROP_FREED) | |
4915 | static int | |
4916 | i915_drop_caches_get(void *data, u64 *val) | |
4917 | { | |
4918 | *val = DROP_ALL; | |
4919 | ||
4920 | return 0; | |
4921 | } | |
4922 | ||
4923 | static int | |
4924 | i915_drop_caches_set(void *data, u64 val) | |
4925 | { | |
4926 | struct drm_i915_private *dev_priv = data; | |
4927 | struct drm_device *dev = &dev_priv->drm; | |
4928 | int ret; | |
4929 | ||
4930 | DRM_DEBUG("Dropping caches: 0x%08llx\n", val); | |
4931 | ||
4932 | /* No need to check and wait for gpu resets, only libdrm auto-restarts | |
4933 | * on ioctls on -EAGAIN. */ | |
4934 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4935 | if (ret) | |
4936 | return ret; | |
4937 | ||
4938 | if (val & DROP_ACTIVE) { | |
4939 | ret = i915_gem_wait_for_idle(dev_priv, | |
4940 | I915_WAIT_INTERRUPTIBLE | | |
4941 | I915_WAIT_LOCKED); | |
4942 | if (ret) | |
4943 | goto unlock; | |
4944 | } | |
4945 | ||
4946 | if (val & (DROP_RETIRE | DROP_ACTIVE)) | |
4947 | i915_gem_retire_requests(dev_priv); | |
4948 | ||
4949 | if (val & DROP_BOUND) | |
4950 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND); | |
4951 | ||
4952 | if (val & DROP_UNBOUND) | |
4953 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); | |
4954 | ||
4955 | unlock: | |
4956 | mutex_unlock(&dev->struct_mutex); | |
4957 | ||
4958 | if (val & DROP_FREED) { | |
4959 | synchronize_rcu(); | |
4960 | flush_work(&dev_priv->mm.free_work); | |
4961 | } | |
4962 | ||
4963 | return ret; | |
4964 | } | |
4965 | ||
4966 | DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, | |
4967 | i915_drop_caches_get, i915_drop_caches_set, | |
4968 | "0x%08llx\n"); | |
4969 | ||
4970 | static int | |
4971 | i915_max_freq_get(void *data, u64 *val) | |
4972 | { | |
4973 | struct drm_i915_private *dev_priv = data; | |
4974 | ||
4975 | if (INTEL_GEN(dev_priv) < 6) | |
4976 | return -ENODEV; | |
4977 | ||
4978 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit); | |
4979 | return 0; | |
4980 | } | |
4981 | ||
4982 | static int | |
4983 | i915_max_freq_set(void *data, u64 val) | |
4984 | { | |
4985 | struct drm_i915_private *dev_priv = data; | |
4986 | u32 hw_max, hw_min; | |
4987 | int ret; | |
4988 | ||
4989 | if (INTEL_GEN(dev_priv) < 6) | |
4990 | return -ENODEV; | |
4991 | ||
4992 | DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val); | |
4993 | ||
4994 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); | |
4995 | if (ret) | |
4996 | return ret; | |
4997 | ||
4998 | /* | |
4999 | * Turbo will still be enabled, but won't go above the set value. | |
5000 | */ | |
5001 | val = intel_freq_opcode(dev_priv, val); | |
5002 | ||
5003 | hw_max = dev_priv->rps.max_freq; | |
5004 | hw_min = dev_priv->rps.min_freq; | |
5005 | ||
5006 | if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { | |
5007 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5008 | return -EINVAL; | |
5009 | } | |
5010 | ||
5011 | dev_priv->rps.max_freq_softlimit = val; | |
5012 | ||
5013 | intel_set_rps(dev_priv, val); | |
5014 | ||
5015 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5016 | ||
5017 | return 0; | |
5018 | } | |
5019 | ||
5020 | DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops, | |
5021 | i915_max_freq_get, i915_max_freq_set, | |
5022 | "%llu\n"); | |
5023 | ||
5024 | static int | |
5025 | i915_min_freq_get(void *data, u64 *val) | |
5026 | { | |
5027 | struct drm_i915_private *dev_priv = data; | |
5028 | ||
5029 | if (INTEL_GEN(dev_priv) < 6) | |
5030 | return -ENODEV; | |
5031 | ||
5032 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit); | |
5033 | return 0; | |
5034 | } | |
5035 | ||
5036 | static int | |
5037 | i915_min_freq_set(void *data, u64 val) | |
5038 | { | |
5039 | struct drm_i915_private *dev_priv = data; | |
5040 | u32 hw_max, hw_min; | |
5041 | int ret; | |
5042 | ||
5043 | if (INTEL_GEN(dev_priv) < 6) | |
5044 | return -ENODEV; | |
5045 | ||
5046 | DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val); | |
5047 | ||
5048 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); | |
5049 | if (ret) | |
5050 | return ret; | |
5051 | ||
5052 | /* | |
5053 | * Turbo will still be enabled, but won't go below the set value. | |
5054 | */ | |
5055 | val = intel_freq_opcode(dev_priv, val); | |
5056 | ||
5057 | hw_max = dev_priv->rps.max_freq; | |
5058 | hw_min = dev_priv->rps.min_freq; | |
5059 | ||
5060 | if (val < hw_min || | |
5061 | val > hw_max || val > dev_priv->rps.max_freq_softlimit) { | |
5062 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5063 | return -EINVAL; | |
5064 | } | |
5065 | ||
5066 | dev_priv->rps.min_freq_softlimit = val; | |
5067 | ||
5068 | intel_set_rps(dev_priv, val); | |
5069 | ||
5070 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5071 | ||
5072 | return 0; | |
5073 | } | |
5074 | ||
5075 | DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops, | |
5076 | i915_min_freq_get, i915_min_freq_set, | |
5077 | "%llu\n"); | |
5078 | ||
5079 | static int | |
5080 | i915_cache_sharing_get(void *data, u64 *val) | |
5081 | { | |
5082 | struct drm_i915_private *dev_priv = data; | |
5083 | u32 snpcr; | |
5084 | ||
5085 | if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) | |
5086 | return -ENODEV; | |
5087 | ||
5088 | intel_runtime_pm_get(dev_priv); | |
5089 | ||
5090 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); | |
5091 | ||
5092 | intel_runtime_pm_put(dev_priv); | |
5093 | ||
5094 | *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; | |
5095 | ||
5096 | return 0; | |
5097 | } | |
5098 | ||
5099 | static int | |
5100 | i915_cache_sharing_set(void *data, u64 val) | |
5101 | { | |
5102 | struct drm_i915_private *dev_priv = data; | |
5103 | u32 snpcr; | |
5104 | ||
5105 | if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) | |
5106 | return -ENODEV; | |
5107 | ||
5108 | if (val > 3) | |
5109 | return -EINVAL; | |
5110 | ||
5111 | intel_runtime_pm_get(dev_priv); | |
5112 | DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val); | |
5113 | ||
5114 | /* Update the cache sharing policy here as well */ | |
5115 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); | |
5116 | snpcr &= ~GEN6_MBC_SNPCR_MASK; | |
5117 | snpcr |= (val << GEN6_MBC_SNPCR_SHIFT); | |
5118 | I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); | |
5119 | ||
5120 | intel_runtime_pm_put(dev_priv); | |
5121 | return 0; | |
5122 | } | |
5123 | ||
5124 | DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, | |
5125 | i915_cache_sharing_get, i915_cache_sharing_set, | |
5126 | "%llu\n"); | |
5127 | ||
5128 | static void cherryview_sseu_device_status(struct drm_i915_private *dev_priv, | |
5129 | struct sseu_dev_info *sseu) | |
5130 | { | |
5131 | int ss_max = 2; | |
5132 | int ss; | |
5133 | u32 sig1[ss_max], sig2[ss_max]; | |
5134 | ||
5135 | sig1[0] = I915_READ(CHV_POWER_SS0_SIG1); | |
5136 | sig1[1] = I915_READ(CHV_POWER_SS1_SIG1); | |
5137 | sig2[0] = I915_READ(CHV_POWER_SS0_SIG2); | |
5138 | sig2[1] = I915_READ(CHV_POWER_SS1_SIG2); | |
5139 | ||
5140 | for (ss = 0; ss < ss_max; ss++) { | |
5141 | unsigned int eu_cnt; | |
5142 | ||
5143 | if (sig1[ss] & CHV_SS_PG_ENABLE) | |
5144 | /* skip disabled subslice */ | |
5145 | continue; | |
5146 | ||
5147 | sseu->slice_mask = BIT(0); | |
5148 | sseu->subslice_mask |= BIT(ss); | |
5149 | eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) + | |
5150 | ((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) + | |
5151 | ((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) + | |
5152 | ((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2); | |
5153 | sseu->eu_total += eu_cnt; | |
5154 | sseu->eu_per_subslice = max_t(unsigned int, | |
5155 | sseu->eu_per_subslice, eu_cnt); | |
5156 | } | |
5157 | } | |
5158 | ||
5159 | static void gen9_sseu_device_status(struct drm_i915_private *dev_priv, | |
5160 | struct sseu_dev_info *sseu) | |
5161 | { | |
5162 | int s_max = 3, ss_max = 4; | |
5163 | int s, ss; | |
5164 | u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2]; | |
5165 | ||
5166 | /* BXT has a single slice and at most 3 subslices. */ | |
5167 | if (IS_BROXTON(dev_priv)) { | |
5168 | s_max = 1; | |
5169 | ss_max = 3; | |
5170 | } | |
5171 | ||
5172 | for (s = 0; s < s_max; s++) { | |
5173 | s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s)); | |
5174 | eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s)); | |
5175 | eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s)); | |
5176 | } | |
5177 | ||
5178 | eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK | | |
5179 | GEN9_PGCTL_SSA_EU19_ACK | | |
5180 | GEN9_PGCTL_SSA_EU210_ACK | | |
5181 | GEN9_PGCTL_SSA_EU311_ACK; | |
5182 | eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK | | |
5183 | GEN9_PGCTL_SSB_EU19_ACK | | |
5184 | GEN9_PGCTL_SSB_EU210_ACK | | |
5185 | GEN9_PGCTL_SSB_EU311_ACK; | |
5186 | ||
5187 | for (s = 0; s < s_max; s++) { | |
5188 | if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0) | |
5189 | /* skip disabled slice */ | |
5190 | continue; | |
5191 | ||
5192 | sseu->slice_mask |= BIT(s); | |
5193 | ||
5194 | if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) | |
5195 | sseu->subslice_mask = | |
5196 | INTEL_INFO(dev_priv)->sseu.subslice_mask; | |
5197 | ||
5198 | for (ss = 0; ss < ss_max; ss++) { | |
5199 | unsigned int eu_cnt; | |
5200 | ||
5201 | if (IS_BROXTON(dev_priv)) { | |
5202 | if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss)))) | |
5203 | /* skip disabled subslice */ | |
5204 | continue; | |
5205 | ||
5206 | sseu->subslice_mask |= BIT(ss); | |
5207 | } | |
5208 | ||
5209 | eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] & | |
5210 | eu_mask[ss%2]); | |
5211 | sseu->eu_total += eu_cnt; | |
5212 | sseu->eu_per_subslice = max_t(unsigned int, | |
5213 | sseu->eu_per_subslice, | |
5214 | eu_cnt); | |
5215 | } | |
5216 | } | |
5217 | } | |
5218 | ||
5219 | static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv, | |
5220 | struct sseu_dev_info *sseu) | |
5221 | { | |
5222 | u32 slice_info = I915_READ(GEN8_GT_SLICE_INFO); | |
5223 | int s; | |
5224 | ||
5225 | sseu->slice_mask = slice_info & GEN8_LSLICESTAT_MASK; | |
5226 | ||
5227 | if (sseu->slice_mask) { | |
5228 | sseu->subslice_mask = INTEL_INFO(dev_priv)->sseu.subslice_mask; | |
5229 | sseu->eu_per_subslice = | |
5230 | INTEL_INFO(dev_priv)->sseu.eu_per_subslice; | |
5231 | sseu->eu_total = sseu->eu_per_subslice * | |
5232 | sseu_subslice_total(sseu); | |
5233 | ||
5234 | /* subtract fused off EU(s) from enabled slice(s) */ | |
5235 | for (s = 0; s < fls(sseu->slice_mask); s++) { | |
5236 | u8 subslice_7eu = | |
5237 | INTEL_INFO(dev_priv)->sseu.subslice_7eu[s]; | |
5238 | ||
5239 | sseu->eu_total -= hweight8(subslice_7eu); | |
5240 | } | |
5241 | } | |
5242 | } | |
5243 | ||
5244 | static void i915_print_sseu_info(struct seq_file *m, bool is_available_info, | |
5245 | const struct sseu_dev_info *sseu) | |
5246 | { | |
5247 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
5248 | const char *type = is_available_info ? "Available" : "Enabled"; | |
5249 | ||
5250 | seq_printf(m, " %s Slice Mask: %04x\n", type, | |
5251 | sseu->slice_mask); | |
5252 | seq_printf(m, " %s Slice Total: %u\n", type, | |
5253 | hweight8(sseu->slice_mask)); | |
5254 | seq_printf(m, " %s Subslice Total: %u\n", type, | |
5255 | sseu_subslice_total(sseu)); | |
5256 | seq_printf(m, " %s Subslice Mask: %04x\n", type, | |
5257 | sseu->subslice_mask); | |
5258 | seq_printf(m, " %s Subslice Per Slice: %u\n", type, | |
5259 | hweight8(sseu->subslice_mask)); | |
5260 | seq_printf(m, " %s EU Total: %u\n", type, | |
5261 | sseu->eu_total); | |
5262 | seq_printf(m, " %s EU Per Subslice: %u\n", type, | |
5263 | sseu->eu_per_subslice); | |
5264 | ||
5265 | if (!is_available_info) | |
5266 | return; | |
5267 | ||
5268 | seq_printf(m, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev_priv))); | |
5269 | if (HAS_POOLED_EU(dev_priv)) | |
5270 | seq_printf(m, " Min EU in pool: %u\n", sseu->min_eu_in_pool); | |
5271 | ||
5272 | seq_printf(m, " Has Slice Power Gating: %s\n", | |
5273 | yesno(sseu->has_slice_pg)); | |
5274 | seq_printf(m, " Has Subslice Power Gating: %s\n", | |
5275 | yesno(sseu->has_subslice_pg)); | |
5276 | seq_printf(m, " Has EU Power Gating: %s\n", | |
5277 | yesno(sseu->has_eu_pg)); | |
5278 | } | |
5279 | ||
5280 | static int i915_sseu_status(struct seq_file *m, void *unused) | |
5281 | { | |
5282 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
5283 | struct sseu_dev_info sseu; | |
5284 | ||
5285 | if (INTEL_GEN(dev_priv) < 8) | |
5286 | return -ENODEV; | |
5287 | ||
5288 | seq_puts(m, "SSEU Device Info\n"); | |
5289 | i915_print_sseu_info(m, true, &INTEL_INFO(dev_priv)->sseu); | |
5290 | ||
5291 | seq_puts(m, "SSEU Device Status\n"); | |
5292 | memset(&sseu, 0, sizeof(sseu)); | |
5293 | ||
5294 | intel_runtime_pm_get(dev_priv); | |
5295 | ||
5296 | if (IS_CHERRYVIEW(dev_priv)) { | |
5297 | cherryview_sseu_device_status(dev_priv, &sseu); | |
5298 | } else if (IS_BROADWELL(dev_priv)) { | |
5299 | broadwell_sseu_device_status(dev_priv, &sseu); | |
5300 | } else if (INTEL_GEN(dev_priv) >= 9) { | |
5301 | gen9_sseu_device_status(dev_priv, &sseu); | |
5302 | } | |
5303 | ||
5304 | intel_runtime_pm_put(dev_priv); | |
5305 | ||
5306 | i915_print_sseu_info(m, false, &sseu); | |
5307 | ||
5308 | return 0; | |
5309 | } | |
5310 | ||
5311 | static int i915_forcewake_open(struct inode *inode, struct file *file) | |
5312 | { | |
5313 | struct drm_i915_private *dev_priv = inode->i_private; | |
5314 | ||
5315 | if (INTEL_GEN(dev_priv) < 6) | |
5316 | return 0; | |
5317 | ||
5318 | intel_runtime_pm_get(dev_priv); | |
5319 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); | |
5320 | ||
5321 | return 0; | |
5322 | } | |
5323 | ||
5324 | static int i915_forcewake_release(struct inode *inode, struct file *file) | |
5325 | { | |
5326 | struct drm_i915_private *dev_priv = inode->i_private; | |
5327 | ||
5328 | if (INTEL_GEN(dev_priv) < 6) | |
5329 | return 0; | |
5330 | ||
5331 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); | |
5332 | intel_runtime_pm_put(dev_priv); | |
5333 | ||
5334 | return 0; | |
5335 | } | |
5336 | ||
5337 | static const struct file_operations i915_forcewake_fops = { | |
5338 | .owner = THIS_MODULE, | |
5339 | .open = i915_forcewake_open, | |
5340 | .release = i915_forcewake_release, | |
5341 | }; | |
5342 | ||
5343 | static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor) | |
5344 | { | |
5345 | struct dentry *ent; | |
5346 | ||
5347 | ent = debugfs_create_file("i915_forcewake_user", | |
5348 | S_IRUSR, | |
5349 | root, to_i915(minor->dev), | |
5350 | &i915_forcewake_fops); | |
5351 | if (!ent) | |
5352 | return -ENOMEM; | |
5353 | ||
5354 | return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops); | |
5355 | } | |
5356 | ||
5357 | static int i915_debugfs_create(struct dentry *root, | |
5358 | struct drm_minor *minor, | |
5359 | const char *name, | |
5360 | const struct file_operations *fops) | |
5361 | { | |
5362 | struct dentry *ent; | |
5363 | ||
5364 | ent = debugfs_create_file(name, | |
5365 | S_IRUGO | S_IWUSR, | |
5366 | root, to_i915(minor->dev), | |
5367 | fops); | |
5368 | if (!ent) | |
5369 | return -ENOMEM; | |
5370 | ||
5371 | return drm_add_fake_info_node(minor, ent, fops); | |
5372 | } | |
5373 | ||
5374 | static const struct drm_info_list i915_debugfs_list[] = { | |
5375 | {"i915_capabilities", i915_capabilities, 0}, | |
5376 | {"i915_gem_objects", i915_gem_object_info, 0}, | |
5377 | {"i915_gem_gtt", i915_gem_gtt_info, 0}, | |
5378 | {"i915_gem_pin_display", i915_gem_gtt_info, 0, (void *)1}, | |
5379 | {"i915_gem_stolen", i915_gem_stolen_list_info }, | |
5380 | {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, | |
5381 | {"i915_gem_request", i915_gem_request_info, 0}, | |
5382 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, | |
5383 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, | |
5384 | {"i915_gem_interrupt", i915_interrupt_info, 0}, | |
5385 | {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0}, | |
5386 | {"i915_guc_info", i915_guc_info, 0}, | |
5387 | {"i915_guc_load_status", i915_guc_load_status_info, 0}, | |
5388 | {"i915_guc_log_dump", i915_guc_log_dump, 0}, | |
5389 | {"i915_frequency_info", i915_frequency_info, 0}, | |
5390 | {"i915_hangcheck_info", i915_hangcheck_info, 0}, | |
5391 | {"i915_drpc_info", i915_drpc_info, 0}, | |
5392 | {"i915_emon_status", i915_emon_status, 0}, | |
5393 | {"i915_ring_freq_table", i915_ring_freq_table, 0}, | |
5394 | {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0}, | |
5395 | {"i915_fbc_status", i915_fbc_status, 0}, | |
5396 | {"i915_ips_status", i915_ips_status, 0}, | |
5397 | {"i915_sr_status", i915_sr_status, 0}, | |
5398 | {"i915_opregion", i915_opregion, 0}, | |
5399 | {"i915_vbt", i915_vbt, 0}, | |
5400 | {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, | |
5401 | {"i915_context_status", i915_context_status, 0}, | |
5402 | {"i915_dump_lrc", i915_dump_lrc, 0}, | |
5403 | {"i915_forcewake_domains", i915_forcewake_domains, 0}, | |
5404 | {"i915_swizzle_info", i915_swizzle_info, 0}, | |
5405 | {"i915_ppgtt_info", i915_ppgtt_info, 0}, | |
5406 | {"i915_llc", i915_llc, 0}, | |
5407 | {"i915_edp_psr_status", i915_edp_psr_status, 0}, | |
5408 | {"i915_sink_crc_eDP1", i915_sink_crc, 0}, | |
5409 | {"i915_energy_uJ", i915_energy_uJ, 0}, | |
5410 | {"i915_runtime_pm_status", i915_runtime_pm_status, 0}, | |
5411 | {"i915_power_domain_info", i915_power_domain_info, 0}, | |
5412 | {"i915_dmc_info", i915_dmc_info, 0}, | |
5413 | {"i915_display_info", i915_display_info, 0}, | |
5414 | {"i915_engine_info", i915_engine_info, 0}, | |
5415 | {"i915_semaphore_status", i915_semaphore_status, 0}, | |
5416 | {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, | |
5417 | {"i915_dp_mst_info", i915_dp_mst_info, 0}, | |
5418 | {"i915_wa_registers", i915_wa_registers, 0}, | |
5419 | {"i915_ddb_info", i915_ddb_info, 0}, | |
5420 | {"i915_sseu_status", i915_sseu_status, 0}, | |
5421 | {"i915_drrs_status", i915_drrs_status, 0}, | |
5422 | {"i915_rps_boost_info", i915_rps_boost_info, 0}, | |
5423 | }; | |
5424 | #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) | |
5425 | ||
5426 | static const struct i915_debugfs_files { | |
5427 | const char *name; | |
5428 | const struct file_operations *fops; | |
5429 | } i915_debugfs_files[] = { | |
5430 | {"i915_wedged", &i915_wedged_fops}, | |
5431 | {"i915_max_freq", &i915_max_freq_fops}, | |
5432 | {"i915_min_freq", &i915_min_freq_fops}, | |
5433 | {"i915_cache_sharing", &i915_cache_sharing_fops}, | |
5434 | {"i915_ring_missed_irq", &i915_ring_missed_irq_fops}, | |
5435 | {"i915_ring_test_irq", &i915_ring_test_irq_fops}, | |
5436 | {"i915_gem_drop_caches", &i915_drop_caches_fops}, | |
5437 | #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) | |
5438 | {"i915_error_state", &i915_error_state_fops}, | |
5439 | #endif | |
5440 | {"i915_next_seqno", &i915_next_seqno_fops}, | |
5441 | {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, | |
5442 | {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, | |
5443 | {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, | |
5444 | {"i915_cur_wm_latency", &i915_cur_wm_latency_fops}, | |
5445 | {"i915_fbc_false_color", &i915_fbc_fc_fops}, | |
5446 | {"i915_dp_test_data", &i915_displayport_test_data_fops}, | |
5447 | {"i915_dp_test_type", &i915_displayport_test_type_fops}, | |
5448 | {"i915_dp_test_active", &i915_displayport_test_active_fops}, | |
5449 | {"i915_guc_log_control", &i915_guc_log_control_fops} | |
5450 | }; | |
5451 | ||
5452 | void intel_display_crc_init(struct drm_i915_private *dev_priv) | |
5453 | { | |
5454 | enum pipe pipe; | |
5455 | ||
5456 | for_each_pipe(dev_priv, pipe) { | |
5457 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; | |
5458 | ||
5459 | pipe_crc->opened = false; | |
5460 | spin_lock_init(&pipe_crc->lock); | |
5461 | init_waitqueue_head(&pipe_crc->wq); | |
5462 | } | |
5463 | } | |
5464 | ||
5465 | int i915_debugfs_register(struct drm_i915_private *dev_priv) | |
5466 | { | |
5467 | struct drm_minor *minor = dev_priv->drm.primary; | |
5468 | int ret, i; | |
5469 | ||
5470 | ret = i915_forcewake_create(minor->debugfs_root, minor); | |
5471 | if (ret) | |
5472 | return ret; | |
5473 | ||
5474 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { | |
5475 | ret = i915_pipe_crc_create(minor->debugfs_root, minor, i); | |
5476 | if (ret) | |
5477 | return ret; | |
5478 | } | |
5479 | ||
5480 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { | |
5481 | ret = i915_debugfs_create(minor->debugfs_root, minor, | |
5482 | i915_debugfs_files[i].name, | |
5483 | i915_debugfs_files[i].fops); | |
5484 | if (ret) | |
5485 | return ret; | |
5486 | } | |
5487 | ||
5488 | return drm_debugfs_create_files(i915_debugfs_list, | |
5489 | I915_DEBUGFS_ENTRIES, | |
5490 | minor->debugfs_root, minor); | |
5491 | } | |
5492 | ||
5493 | void i915_debugfs_unregister(struct drm_i915_private *dev_priv) | |
5494 | { | |
5495 | struct drm_minor *minor = dev_priv->drm.primary; | |
5496 | int i; | |
5497 | ||
5498 | drm_debugfs_remove_files(i915_debugfs_list, | |
5499 | I915_DEBUGFS_ENTRIES, minor); | |
5500 | ||
5501 | drm_debugfs_remove_files((struct drm_info_list *)&i915_forcewake_fops, | |
5502 | 1, minor); | |
5503 | ||
5504 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { | |
5505 | struct drm_info_list *info_list = | |
5506 | (struct drm_info_list *)&i915_pipe_crc_data[i]; | |
5507 | ||
5508 | drm_debugfs_remove_files(info_list, 1, minor); | |
5509 | } | |
5510 | ||
5511 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { | |
5512 | struct drm_info_list *info_list = | |
5513 | (struct drm_info_list *)i915_debugfs_files[i].fops; | |
5514 | ||
5515 | drm_debugfs_remove_files(info_list, 1, minor); | |
5516 | } | |
5517 | } | |
5518 | ||
5519 | struct dpcd_block { | |
5520 | /* DPCD dump start address. */ | |
5521 | unsigned int offset; | |
5522 | /* DPCD dump end address, inclusive. If unset, .size will be used. */ | |
5523 | unsigned int end; | |
5524 | /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */ | |
5525 | size_t size; | |
5526 | /* Only valid for eDP. */ | |
5527 | bool edp; | |
5528 | }; | |
5529 | ||
5530 | static const struct dpcd_block i915_dpcd_debug[] = { | |
5531 | { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE }, | |
5532 | { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS }, | |
5533 | { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 }, | |
5534 | { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET }, | |
5535 | { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 }, | |
5536 | { .offset = DP_SET_POWER }, | |
5537 | { .offset = DP_EDP_DPCD_REV }, | |
5538 | { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 }, | |
5539 | { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB }, | |
5540 | { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET }, | |
5541 | }; | |
5542 | ||
5543 | static int i915_dpcd_show(struct seq_file *m, void *data) | |
5544 | { | |
5545 | struct drm_connector *connector = m->private; | |
5546 | struct intel_dp *intel_dp = | |
5547 | enc_to_intel_dp(&intel_attached_encoder(connector)->base); | |
5548 | uint8_t buf[16]; | |
5549 | ssize_t err; | |
5550 | int i; | |
5551 | ||
5552 | if (connector->status != connector_status_connected) | |
5553 | return -ENODEV; | |
5554 | ||
5555 | for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) { | |
5556 | const struct dpcd_block *b = &i915_dpcd_debug[i]; | |
5557 | size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1); | |
5558 | ||
5559 | if (b->edp && | |
5560 | connector->connector_type != DRM_MODE_CONNECTOR_eDP) | |
5561 | continue; | |
5562 | ||
5563 | /* low tech for now */ | |
5564 | if (WARN_ON(size > sizeof(buf))) | |
5565 | continue; | |
5566 | ||
5567 | err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size); | |
5568 | if (err <= 0) { | |
5569 | DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n", | |
5570 | size, b->offset, err); | |
5571 | continue; | |
5572 | } | |
5573 | ||
5574 | seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf); | |
5575 | } | |
5576 | ||
5577 | return 0; | |
5578 | } | |
5579 | ||
5580 | static int i915_dpcd_open(struct inode *inode, struct file *file) | |
5581 | { | |
5582 | return single_open(file, i915_dpcd_show, inode->i_private); | |
5583 | } | |
5584 | ||
5585 | static const struct file_operations i915_dpcd_fops = { | |
5586 | .owner = THIS_MODULE, | |
5587 | .open = i915_dpcd_open, | |
5588 | .read = seq_read, | |
5589 | .llseek = seq_lseek, | |
5590 | .release = single_release, | |
5591 | }; | |
5592 | ||
5593 | static int i915_panel_show(struct seq_file *m, void *data) | |
5594 | { | |
5595 | struct drm_connector *connector = m->private; | |
5596 | struct intel_dp *intel_dp = | |
5597 | enc_to_intel_dp(&intel_attached_encoder(connector)->base); | |
5598 | ||
5599 | if (connector->status != connector_status_connected) | |
5600 | return -ENODEV; | |
5601 | ||
5602 | seq_printf(m, "Panel power up delay: %d\n", | |
5603 | intel_dp->panel_power_up_delay); | |
5604 | seq_printf(m, "Panel power down delay: %d\n", | |
5605 | intel_dp->panel_power_down_delay); | |
5606 | seq_printf(m, "Backlight on delay: %d\n", | |
5607 | intel_dp->backlight_on_delay); | |
5608 | seq_printf(m, "Backlight off delay: %d\n", | |
5609 | intel_dp->backlight_off_delay); | |
5610 | ||
5611 | return 0; | |
5612 | } | |
5613 | ||
5614 | static int i915_panel_open(struct inode *inode, struct file *file) | |
5615 | { | |
5616 | return single_open(file, i915_panel_show, inode->i_private); | |
5617 | } | |
5618 | ||
5619 | static const struct file_operations i915_panel_fops = { | |
5620 | .owner = THIS_MODULE, | |
5621 | .open = i915_panel_open, | |
5622 | .read = seq_read, | |
5623 | .llseek = seq_lseek, | |
5624 | .release = single_release, | |
5625 | }; | |
5626 | ||
5627 | /** | |
5628 | * i915_debugfs_connector_add - add i915 specific connector debugfs files | |
5629 | * @connector: pointer to a registered drm_connector | |
5630 | * | |
5631 | * Cleanup will be done by drm_connector_unregister() through a call to | |
5632 | * drm_debugfs_connector_remove(). | |
5633 | * | |
5634 | * Returns 0 on success, negative error codes on error. | |
5635 | */ | |
5636 | int i915_debugfs_connector_add(struct drm_connector *connector) | |
5637 | { | |
5638 | struct dentry *root = connector->debugfs_entry; | |
5639 | ||
5640 | /* The connector must have been registered beforehands. */ | |
5641 | if (!root) | |
5642 | return -ENODEV; | |
5643 | ||
5644 | if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || | |
5645 | connector->connector_type == DRM_MODE_CONNECTOR_eDP) | |
5646 | debugfs_create_file("i915_dpcd", S_IRUGO, root, | |
5647 | connector, &i915_dpcd_fops); | |
5648 | ||
5649 | if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) | |
5650 | debugfs_create_file("i915_panel_timings", S_IRUGO, root, | |
5651 | connector, &i915_panel_fops); | |
5652 | ||
5653 | return 0; | |
5654 | } |