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Commit | Line | Data |
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2017263e BG |
1 | /* |
2 | * Copyright © 2008 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
21 | * IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | * Keith Packard <keithp@keithp.com> | |
26 | * | |
27 | */ | |
28 | ||
29 | #include <linux/seq_file.h> | |
b2c88f5b | 30 | #include <linux/circ_buf.h> |
926321d5 | 31 | #include <linux/ctype.h> |
f3cd474b | 32 | #include <linux/debugfs.h> |
5a0e3ad6 | 33 | #include <linux/slab.h> |
2d1a8a48 | 34 | #include <linux/export.h> |
6d2b8885 | 35 | #include <linux/list_sort.h> |
ec013e7f | 36 | #include <asm/msr-index.h> |
760285e7 | 37 | #include <drm/drmP.h> |
4e5359cd | 38 | #include "intel_drv.h" |
e5c65260 | 39 | #include "intel_ringbuffer.h" |
760285e7 | 40 | #include <drm/i915_drm.h> |
2017263e BG |
41 | #include "i915_drv.h" |
42 | ||
36cdd013 DW |
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 | ||
497666d8 DL |
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; | |
36cdd013 | 65 | node->info_ent = (void *)key; |
497666d8 DL |
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 | ||
70d39fe4 CW |
74 | static int i915_capabilities(struct seq_file *m, void *data) |
75 | { | |
36cdd013 DW |
76 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
77 | const struct intel_device_info *info = INTEL_INFO(dev_priv); | |
70d39fe4 | 78 | |
36cdd013 DW |
79 | seq_printf(m, "gen: %d\n", INTEL_GEN(dev_priv)); |
80 | seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev_priv)); | |
79fc46df | 81 | #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x)) |
604db650 | 82 | DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG); |
79fc46df | 83 | #undef PRINT_FLAG |
70d39fe4 CW |
84 | |
85 | return 0; | |
86 | } | |
2017263e | 87 | |
a7363de7 | 88 | static char get_active_flag(struct drm_i915_gem_object *obj) |
a6172a80 | 89 | { |
573adb39 | 90 | return i915_gem_object_is_active(obj) ? '*' : ' '; |
a6172a80 CW |
91 | } |
92 | ||
a7363de7 | 93 | static char get_pin_flag(struct drm_i915_gem_object *obj) |
be12a86b TU |
94 | { |
95 | return obj->pin_display ? 'p' : ' '; | |
96 | } | |
97 | ||
a7363de7 | 98 | static char get_tiling_flag(struct drm_i915_gem_object *obj) |
a6172a80 | 99 | { |
3e510a8e | 100 | switch (i915_gem_object_get_tiling(obj)) { |
0206e353 | 101 | default: |
be12a86b TU |
102 | case I915_TILING_NONE: return ' '; |
103 | case I915_TILING_X: return 'X'; | |
104 | case I915_TILING_Y: return 'Y'; | |
0206e353 | 105 | } |
a6172a80 CW |
106 | } |
107 | ||
a7363de7 | 108 | static char get_global_flag(struct drm_i915_gem_object *obj) |
be12a86b | 109 | { |
275f039d | 110 | return !list_empty(&obj->userfault_link) ? 'g' : ' '; |
be12a86b TU |
111 | } |
112 | ||
a7363de7 | 113 | static char get_pin_mapped_flag(struct drm_i915_gem_object *obj) |
1d693bcc | 114 | { |
a4f5ea64 | 115 | return obj->mm.mapping ? 'M' : ' '; |
1d693bcc BW |
116 | } |
117 | ||
ca1543be TU |
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 | ||
1c7f4bca | 123 | list_for_each_entry(vma, &obj->vma_list, obj_link) { |
3272db53 | 124 | if (i915_vma_is_ggtt(vma) && drm_mm_node_allocated(&vma->node)) |
ca1543be TU |
125 | size += vma->node.size; |
126 | } | |
127 | ||
128 | return size; | |
129 | } | |
130 | ||
37811fcc CW |
131 | static void |
132 | describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) | |
133 | { | |
b4716185 | 134 | struct drm_i915_private *dev_priv = to_i915(obj->base.dev); |
e2f80391 | 135 | struct intel_engine_cs *engine; |
1d693bcc | 136 | struct i915_vma *vma; |
faf5bf0a | 137 | unsigned int frontbuffer_bits; |
d7f46fc4 BW |
138 | int pin_count = 0; |
139 | ||
188c1ab7 CW |
140 | lockdep_assert_held(&obj->base.dev->struct_mutex); |
141 | ||
d07f0e59 | 142 | seq_printf(m, "%pK: %c%c%c%c%c %8zdKiB %02x %02x %s%s%s", |
37811fcc | 143 | &obj->base, |
be12a86b | 144 | get_active_flag(obj), |
37811fcc CW |
145 | get_pin_flag(obj), |
146 | get_tiling_flag(obj), | |
1d693bcc | 147 | get_global_flag(obj), |
be12a86b | 148 | get_pin_mapped_flag(obj), |
a05a5862 | 149 | obj->base.size / 1024, |
37811fcc | 150 | obj->base.read_domains, |
d07f0e59 | 151 | obj->base.write_domain, |
36cdd013 | 152 | i915_cache_level_str(dev_priv, obj->cache_level), |
a4f5ea64 CW |
153 | obj->mm.dirty ? " dirty" : "", |
154 | obj->mm.madv == I915_MADV_DONTNEED ? " purgeable" : ""); | |
37811fcc CW |
155 | if (obj->base.name) |
156 | seq_printf(m, " (name: %d)", obj->base.name); | |
1c7f4bca | 157 | list_for_each_entry(vma, &obj->vma_list, obj_link) { |
20dfbde4 | 158 | if (i915_vma_is_pinned(vma)) |
d7f46fc4 | 159 | pin_count++; |
ba0635ff DC |
160 | } |
161 | seq_printf(m, " (pinned x %d)", pin_count); | |
cc98b413 CW |
162 | if (obj->pin_display) |
163 | seq_printf(m, " (display)"); | |
1c7f4bca | 164 | list_for_each_entry(vma, &obj->vma_list, obj_link) { |
15717de2 CW |
165 | if (!drm_mm_node_allocated(&vma->node)) |
166 | continue; | |
167 | ||
8d2fdc3f | 168 | seq_printf(m, " (%sgtt offset: %08llx, size: %08llx", |
3272db53 | 169 | i915_vma_is_ggtt(vma) ? "g" : "pp", |
8d2fdc3f | 170 | vma->node.start, vma->node.size); |
3272db53 | 171 | if (i915_vma_is_ggtt(vma)) |
596c5923 | 172 | seq_printf(m, ", type: %u", vma->ggtt_view.type); |
49ef5294 CW |
173 | if (vma->fence) |
174 | seq_printf(m, " , fence: %d%s", | |
175 | vma->fence->id, | |
176 | i915_gem_active_isset(&vma->last_fence) ? "*" : ""); | |
596c5923 | 177 | seq_puts(m, ")"); |
1d693bcc | 178 | } |
c1ad11fc | 179 | if (obj->stolen) |
440fd528 | 180 | seq_printf(m, " (stolen: %08llx)", obj->stolen->start); |
27c01aae | 181 | |
d07f0e59 | 182 | engine = i915_gem_object_last_write_engine(obj); |
27c01aae CW |
183 | if (engine) |
184 | seq_printf(m, " (%s)", engine->name); | |
185 | ||
faf5bf0a CW |
186 | frontbuffer_bits = atomic_read(&obj->frontbuffer_bits); |
187 | if (frontbuffer_bits) | |
188 | seq_printf(m, " (frontbuffer: 0x%03x)", frontbuffer_bits); | |
37811fcc CW |
189 | } |
190 | ||
6d2b8885 CW |
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 = | |
b25cb2f8 | 195 | container_of(A, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 | 196 | struct drm_i915_gem_object *b = |
b25cb2f8 | 197 | container_of(B, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 | 198 | |
2d05fa16 RV |
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; | |
6d2b8885 CW |
204 | } |
205 | ||
206 | static int i915_gem_stolen_list_info(struct seq_file *m, void *data) | |
207 | { | |
36cdd013 DW |
208 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
209 | struct drm_device *dev = &dev_priv->drm; | |
6d2b8885 | 210 | struct drm_i915_gem_object *obj; |
c44ef60e | 211 | u64 total_obj_size, total_gtt_size; |
6d2b8885 CW |
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_list) { | |
221 | if (obj->stolen == NULL) | |
222 | continue; | |
223 | ||
b25cb2f8 | 224 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
225 | |
226 | total_obj_size += obj->base.size; | |
ca1543be | 227 | total_gtt_size += i915_gem_obj_total_ggtt_size(obj); |
6d2b8885 CW |
228 | count++; |
229 | } | |
230 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { | |
231 | if (obj->stolen == NULL) | |
232 | continue; | |
233 | ||
b25cb2f8 | 234 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
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)) { | |
b25cb2f8 | 242 | obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link); |
6d2b8885 CW |
243 | seq_puts(m, " "); |
244 | describe_obj(m, obj); | |
245 | seq_putc(m, '\n'); | |
b25cb2f8 | 246 | list_del_init(&obj->obj_exec_link); |
6d2b8885 CW |
247 | } |
248 | mutex_unlock(&dev->struct_mutex); | |
249 | ||
c44ef60e | 250 | seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", |
6d2b8885 CW |
251 | count, total_obj_size, total_gtt_size); |
252 | return 0; | |
253 | } | |
254 | ||
2db8e9d6 | 255 | struct file_stats { |
6313c204 | 256 | struct drm_i915_file_private *file_priv; |
c44ef60e MK |
257 | unsigned long count; |
258 | u64 total, unbound; | |
259 | u64 global, shared; | |
260 | u64 active, inactive; | |
2db8e9d6 CW |
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; | |
6313c204 | 267 | struct i915_vma *vma; |
2db8e9d6 CW |
268 | |
269 | stats->count++; | |
270 | stats->total += obj->base.size; | |
15717de2 CW |
271 | if (!obj->bind_count) |
272 | stats->unbound += obj->base.size; | |
c67a17e9 CW |
273 | if (obj->base.name || obj->base.dma_buf) |
274 | stats->shared += obj->base.size; | |
275 | ||
894eeecc CW |
276 | list_for_each_entry(vma, &obj->vma_list, obj_link) { |
277 | if (!drm_mm_node_allocated(&vma->node)) | |
278 | continue; | |
6313c204 | 279 | |
3272db53 | 280 | if (i915_vma_is_ggtt(vma)) { |
894eeecc CW |
281 | stats->global += vma->node.size; |
282 | } else { | |
283 | struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vma->vm); | |
6313c204 | 284 | |
2bfa996e | 285 | if (ppgtt->base.file != stats->file_priv) |
6313c204 | 286 | continue; |
6313c204 | 287 | } |
894eeecc | 288 | |
b0decaf7 | 289 | if (i915_vma_is_active(vma)) |
894eeecc CW |
290 | stats->active += vma->node.size; |
291 | else | |
292 | stats->inactive += vma->node.size; | |
2db8e9d6 CW |
293 | } |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
b0da1b79 CW |
298 | #define print_file_stats(m, name, stats) do { \ |
299 | if (stats.count) \ | |
c44ef60e | 300 | seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \ |
b0da1b79 CW |
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) | |
493018dc BV |
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; | |
e2f80391 | 316 | struct intel_engine_cs *engine; |
3b3f1650 | 317 | enum intel_engine_id id; |
b4ac5afc | 318 | int j; |
493018dc BV |
319 | |
320 | memset(&stats, 0, sizeof(stats)); | |
321 | ||
3b3f1650 | 322 | for_each_engine(engine, dev_priv, id) { |
e2f80391 | 323 | for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) { |
8d9d5744 | 324 | list_for_each_entry(obj, |
e2f80391 | 325 | &engine->batch_pool.cache_list[j], |
8d9d5744 CW |
326 | batch_pool_link) |
327 | per_file_stats(0, obj, &stats); | |
328 | } | |
06fbca71 | 329 | } |
493018dc | 330 | |
b0da1b79 | 331 | print_file_stats(m, "[k]batch pool", stats); |
493018dc BV |
332 | } |
333 | ||
15da9565 CW |
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) | |
bf3783e5 | 341 | per_file_stats(0, ctx->engine[n].state->obj, data); |
dca33ecc | 342 | if (ctx->engine[n].ring) |
57e88531 | 343 | per_file_stats(0, ctx->engine[n].ring->vma->obj, data); |
15da9565 CW |
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 | { | |
36cdd013 | 352 | struct drm_device *dev = &dev_priv->drm; |
15da9565 CW |
353 | struct file_stats stats; |
354 | struct drm_file *file; | |
355 | ||
356 | memset(&stats, 0, sizeof(stats)); | |
357 | ||
36cdd013 | 358 | mutex_lock(&dev->struct_mutex); |
15da9565 CW |
359 | if (dev_priv->kernel_context) |
360 | per_file_ctx_stats(0, dev_priv->kernel_context, &stats); | |
361 | ||
36cdd013 | 362 | list_for_each_entry(file, &dev->filelist, lhead) { |
15da9565 CW |
363 | struct drm_i915_file_private *fpriv = file->driver_priv; |
364 | idr_for_each(&fpriv->context_idr, per_file_ctx_stats, &stats); | |
365 | } | |
36cdd013 | 366 | mutex_unlock(&dev->struct_mutex); |
15da9565 CW |
367 | |
368 | print_file_stats(m, "[k]contexts", stats); | |
369 | } | |
370 | ||
36cdd013 | 371 | static int i915_gem_object_info(struct seq_file *m, void *data) |
73aa808f | 372 | { |
36cdd013 DW |
373 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
374 | struct drm_device *dev = &dev_priv->drm; | |
72e96d64 | 375 | struct i915_ggtt *ggtt = &dev_priv->ggtt; |
2bd160a1 CW |
376 | u32 count, mapped_count, purgeable_count, dpy_count; |
377 | u64 size, mapped_size, purgeable_size, dpy_size; | |
6299f992 | 378 | struct drm_i915_gem_object *obj; |
2db8e9d6 | 379 | struct drm_file *file; |
73aa808f CW |
380 | int ret; |
381 | ||
382 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
383 | if (ret) | |
384 | return ret; | |
385 | ||
3ef7f228 | 386 | seq_printf(m, "%u objects, %llu bytes\n", |
6299f992 CW |
387 | dev_priv->mm.object_count, |
388 | dev_priv->mm.object_memory); | |
389 | ||
1544c42e CW |
390 | size = count = 0; |
391 | mapped_size = mapped_count = 0; | |
392 | purgeable_size = purgeable_count = 0; | |
35c20a60 | 393 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { |
2bd160a1 CW |
394 | size += obj->base.size; |
395 | ++count; | |
396 | ||
a4f5ea64 | 397 | if (obj->mm.madv == I915_MADV_DONTNEED) { |
2bd160a1 CW |
398 | purgeable_size += obj->base.size; |
399 | ++purgeable_count; | |
400 | } | |
401 | ||
a4f5ea64 | 402 | if (obj->mm.mapping) { |
2bd160a1 CW |
403 | mapped_count++; |
404 | mapped_size += obj->base.size; | |
be19b10d | 405 | } |
b7abb714 | 406 | } |
c44ef60e | 407 | seq_printf(m, "%u unbound objects, %llu bytes\n", count, size); |
6c085a72 | 408 | |
2bd160a1 | 409 | size = count = dpy_size = dpy_count = 0; |
35c20a60 | 410 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
2bd160a1 CW |
411 | size += obj->base.size; |
412 | ++count; | |
413 | ||
30154650 | 414 | if (obj->pin_display) { |
2bd160a1 CW |
415 | dpy_size += obj->base.size; |
416 | ++dpy_count; | |
6299f992 | 417 | } |
2bd160a1 | 418 | |
a4f5ea64 | 419 | if (obj->mm.madv == I915_MADV_DONTNEED) { |
b7abb714 CW |
420 | purgeable_size += obj->base.size; |
421 | ++purgeable_count; | |
422 | } | |
2bd160a1 | 423 | |
a4f5ea64 | 424 | if (obj->mm.mapping) { |
2bd160a1 CW |
425 | mapped_count++; |
426 | mapped_size += obj->base.size; | |
be19b10d | 427 | } |
6299f992 | 428 | } |
2bd160a1 CW |
429 | seq_printf(m, "%u bound objects, %llu bytes\n", |
430 | count, size); | |
c44ef60e | 431 | seq_printf(m, "%u purgeable objects, %llu bytes\n", |
b7abb714 | 432 | purgeable_count, purgeable_size); |
2bd160a1 CW |
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); | |
6299f992 | 437 | |
c44ef60e | 438 | seq_printf(m, "%llu [%llu] gtt total\n", |
72e96d64 | 439 | ggtt->base.total, ggtt->mappable_end - ggtt->base.start); |
73aa808f | 440 | |
493018dc BV |
441 | seq_putc(m, '\n'); |
442 | print_batch_pool_stats(m, dev_priv); | |
1d2ac403 DV |
443 | mutex_unlock(&dev->struct_mutex); |
444 | ||
445 | mutex_lock(&dev->filelist_mutex); | |
15da9565 | 446 | print_context_stats(m, dev_priv); |
2db8e9d6 CW |
447 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
448 | struct file_stats stats; | |
c84455b4 CW |
449 | struct drm_i915_file_private *file_priv = file->driver_priv; |
450 | struct drm_i915_gem_request *request; | |
3ec2f427 | 451 | struct task_struct *task; |
2db8e9d6 CW |
452 | |
453 | memset(&stats, 0, sizeof(stats)); | |
6313c204 | 454 | stats.file_priv = file->driver_priv; |
5b5ffff0 | 455 | spin_lock(&file->table_lock); |
2db8e9d6 | 456 | idr_for_each(&file->object_idr, per_file_stats, &stats); |
5b5ffff0 | 457 | spin_unlock(&file->table_lock); |
3ec2f427 TH |
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 | */ | |
c84455b4 CW |
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); | |
3ec2f427 | 468 | rcu_read_lock(); |
c84455b4 CW |
469 | task = pid_task(request && request->ctx->pid ? |
470 | request->ctx->pid : file->pid, | |
471 | PIDTYPE_PID); | |
493018dc | 472 | print_file_stats(m, task ? task->comm : "<unknown>", stats); |
3ec2f427 | 473 | rcu_read_unlock(); |
c84455b4 | 474 | mutex_unlock(&dev->struct_mutex); |
2db8e9d6 | 475 | } |
1d2ac403 | 476 | mutex_unlock(&dev->filelist_mutex); |
73aa808f CW |
477 | |
478 | return 0; | |
479 | } | |
480 | ||
aee56cff | 481 | static int i915_gem_gtt_info(struct seq_file *m, void *data) |
08c18323 | 482 | { |
9f25d007 | 483 | struct drm_info_node *node = m->private; |
36cdd013 DW |
484 | struct drm_i915_private *dev_priv = node_to_i915(node); |
485 | struct drm_device *dev = &dev_priv->drm; | |
5f4b091a | 486 | bool show_pin_display_only = !!node->info_ent->data; |
08c18323 | 487 | struct drm_i915_gem_object *obj; |
c44ef60e | 488 | u64 total_obj_size, total_gtt_size; |
08c18323 CW |
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; | |
35c20a60 | 496 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
6da84829 | 497 | if (show_pin_display_only && !obj->pin_display) |
1b50247a CW |
498 | continue; |
499 | ||
267f0c90 | 500 | seq_puts(m, " "); |
08c18323 | 501 | describe_obj(m, obj); |
267f0c90 | 502 | seq_putc(m, '\n'); |
08c18323 | 503 | total_obj_size += obj->base.size; |
ca1543be | 504 | total_gtt_size += i915_gem_obj_total_ggtt_size(obj); |
08c18323 CW |
505 | count++; |
506 | } | |
507 | ||
508 | mutex_unlock(&dev->struct_mutex); | |
509 | ||
c44ef60e | 510 | seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", |
08c18323 CW |
511 | count, total_obj_size, total_gtt_size); |
512 | ||
513 | return 0; | |
514 | } | |
515 | ||
4e5359cd SF |
516 | static int i915_gem_pageflip_info(struct seq_file *m, void *data) |
517 | { | |
36cdd013 DW |
518 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
519 | struct drm_device *dev = &dev_priv->drm; | |
4e5359cd | 520 | struct intel_crtc *crtc; |
8a270ebf DV |
521 | int ret; |
522 | ||
523 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
524 | if (ret) | |
525 | return ret; | |
4e5359cd | 526 | |
d3fcc808 | 527 | for_each_intel_crtc(dev, crtc) { |
9db4a9c7 JB |
528 | const char pipe = pipe_name(crtc->pipe); |
529 | const char plane = plane_name(crtc->plane); | |
51cbaf01 | 530 | struct intel_flip_work *work; |
4e5359cd | 531 | |
5e2d7afc | 532 | spin_lock_irq(&dev->event_lock); |
5a21b665 DV |
533 | work = crtc->flip_work; |
534 | if (work == NULL) { | |
9db4a9c7 | 535 | seq_printf(m, "No flip due on pipe %c (plane %c)\n", |
4e5359cd SF |
536 | pipe, plane); |
537 | } else { | |
5a21b665 DV |
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 = i915_gem_request_get_engine(work->flip_queued_req); | |
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 | i915_gem_request_get_seqno(work->flip_queued_req), | |
28176ef4 | 555 | atomic_read(&dev_priv->gt.global_timeline.next_seqno), |
1b7744e7 | 556 | intel_engine_get_seqno(engine), |
f69a02c9 | 557 | i915_gem_request_completed(work->flip_queued_req)); |
5a21b665 DV |
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 | ||
36cdd013 | 566 | if (INTEL_GEN(dev_priv) >= 4) |
5a21b665 DV |
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); | |
4e5359cd SF |
575 | } |
576 | } | |
5e2d7afc | 577 | spin_unlock_irq(&dev->event_lock); |
4e5359cd SF |
578 | } |
579 | ||
8a270ebf DV |
580 | mutex_unlock(&dev->struct_mutex); |
581 | ||
4e5359cd SF |
582 | return 0; |
583 | } | |
584 | ||
493018dc BV |
585 | static int i915_gem_batch_pool_info(struct seq_file *m, void *data) |
586 | { | |
36cdd013 DW |
587 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
588 | struct drm_device *dev = &dev_priv->drm; | |
493018dc | 589 | struct drm_i915_gem_object *obj; |
e2f80391 | 590 | struct intel_engine_cs *engine; |
3b3f1650 | 591 | enum intel_engine_id id; |
8d9d5744 | 592 | int total = 0; |
b4ac5afc | 593 | int ret, j; |
493018dc BV |
594 | |
595 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
596 | if (ret) | |
597 | return ret; | |
598 | ||
3b3f1650 | 599 | for_each_engine(engine, dev_priv, id) { |
e2f80391 | 600 | for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) { |
8d9d5744 CW |
601 | int count; |
602 | ||
603 | count = 0; | |
604 | list_for_each_entry(obj, | |
e2f80391 | 605 | &engine->batch_pool.cache_list[j], |
8d9d5744 CW |
606 | batch_pool_link) |
607 | count++; | |
608 | seq_printf(m, "%s cache[%d]: %d objects\n", | |
e2f80391 | 609 | engine->name, j, count); |
8d9d5744 CW |
610 | |
611 | list_for_each_entry(obj, | |
e2f80391 | 612 | &engine->batch_pool.cache_list[j], |
8d9d5744 CW |
613 | batch_pool_link) { |
614 | seq_puts(m, " "); | |
615 | describe_obj(m, obj); | |
616 | seq_putc(m, '\n'); | |
617 | } | |
618 | ||
619 | total += count; | |
06fbca71 | 620 | } |
493018dc BV |
621 | } |
622 | ||
8d9d5744 | 623 | seq_printf(m, "total: %d\n", total); |
493018dc BV |
624 | |
625 | mutex_unlock(&dev->struct_mutex); | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
1b36595f CW |
630 | static void print_request(struct seq_file *m, |
631 | struct drm_i915_gem_request *rq, | |
632 | const char *prefix) | |
633 | { | |
562f5d45 | 634 | seq_printf(m, "%s%x [%x:%x] @ %d: %s\n", prefix, |
65e4760e | 635 | rq->global_seqno, rq->ctx->hw_id, rq->fence.seqno, |
1b36595f | 636 | jiffies_to_msecs(jiffies - rq->emitted_jiffies), |
562f5d45 | 637 | rq->timeline->common->name); |
1b36595f CW |
638 | } |
639 | ||
2017263e BG |
640 | static int i915_gem_request_info(struct seq_file *m, void *data) |
641 | { | |
36cdd013 DW |
642 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
643 | struct drm_device *dev = &dev_priv->drm; | |
eed29a5b | 644 | struct drm_i915_gem_request *req; |
3b3f1650 AG |
645 | struct intel_engine_cs *engine; |
646 | enum intel_engine_id id; | |
b4ac5afc | 647 | int ret, any; |
de227ef0 CW |
648 | |
649 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
650 | if (ret) | |
651 | return ret; | |
2017263e | 652 | |
2d1070b2 | 653 | any = 0; |
3b3f1650 | 654 | for_each_engine(engine, dev_priv, id) { |
2d1070b2 CW |
655 | int count; |
656 | ||
657 | count = 0; | |
73cb9701 | 658 | list_for_each_entry(req, &engine->timeline->requests, link) |
2d1070b2 CW |
659 | count++; |
660 | if (count == 0) | |
a2c7f6fd CW |
661 | continue; |
662 | ||
e2f80391 | 663 | seq_printf(m, "%s requests: %d\n", engine->name, count); |
73cb9701 | 664 | list_for_each_entry(req, &engine->timeline->requests, link) |
1b36595f | 665 | print_request(m, req, " "); |
2d1070b2 CW |
666 | |
667 | any++; | |
2017263e | 668 | } |
de227ef0 CW |
669 | mutex_unlock(&dev->struct_mutex); |
670 | ||
2d1070b2 | 671 | if (any == 0) |
267f0c90 | 672 | seq_puts(m, "No requests\n"); |
c2c347a9 | 673 | |
2017263e BG |
674 | return 0; |
675 | } | |
676 | ||
b2223497 | 677 | static void i915_ring_seqno_info(struct seq_file *m, |
0bc40be8 | 678 | struct intel_engine_cs *engine) |
b2223497 | 679 | { |
688e6c72 CW |
680 | struct intel_breadcrumbs *b = &engine->breadcrumbs; |
681 | struct rb_node *rb; | |
682 | ||
12471ba8 | 683 | seq_printf(m, "Current sequence (%s): %x\n", |
1b7744e7 | 684 | engine->name, intel_engine_get_seqno(engine)); |
688e6c72 | 685 | |
f6168e33 | 686 | spin_lock_irq(&b->lock); |
688e6c72 CW |
687 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { |
688 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
689 | ||
690 | seq_printf(m, "Waiting (%s): %s [%d] on %x\n", | |
691 | engine->name, w->tsk->comm, w->tsk->pid, w->seqno); | |
692 | } | |
f6168e33 | 693 | spin_unlock_irq(&b->lock); |
b2223497 CW |
694 | } |
695 | ||
2017263e BG |
696 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
697 | { | |
36cdd013 | 698 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
e2f80391 | 699 | struct intel_engine_cs *engine; |
3b3f1650 | 700 | enum intel_engine_id id; |
2017263e | 701 | |
3b3f1650 | 702 | for_each_engine(engine, dev_priv, id) |
e2f80391 | 703 | i915_ring_seqno_info(m, engine); |
de227ef0 | 704 | |
2017263e BG |
705 | return 0; |
706 | } | |
707 | ||
708 | ||
709 | static int i915_interrupt_info(struct seq_file *m, void *data) | |
710 | { | |
36cdd013 | 711 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
e2f80391 | 712 | struct intel_engine_cs *engine; |
3b3f1650 | 713 | enum intel_engine_id id; |
4bb05040 | 714 | int i, pipe; |
de227ef0 | 715 | |
c8c8fb33 | 716 | intel_runtime_pm_get(dev_priv); |
2017263e | 717 | |
36cdd013 | 718 | if (IS_CHERRYVIEW(dev_priv)) { |
74e1ca8c VS |
719 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
720 | I915_READ(GEN8_MASTER_IRQ)); | |
721 | ||
722 | seq_printf(m, "Display IER:\t%08x\n", | |
723 | I915_READ(VLV_IER)); | |
724 | seq_printf(m, "Display IIR:\t%08x\n", | |
725 | I915_READ(VLV_IIR)); | |
726 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
727 | I915_READ(VLV_IIR_RW)); | |
728 | seq_printf(m, "Display IMR:\t%08x\n", | |
729 | I915_READ(VLV_IMR)); | |
9c870d03 CW |
730 | for_each_pipe(dev_priv, pipe) { |
731 | enum intel_display_power_domain power_domain; | |
732 | ||
733 | power_domain = POWER_DOMAIN_PIPE(pipe); | |
734 | if (!intel_display_power_get_if_enabled(dev_priv, | |
735 | power_domain)) { | |
736 | seq_printf(m, "Pipe %c power disabled\n", | |
737 | pipe_name(pipe)); | |
738 | continue; | |
739 | } | |
740 | ||
74e1ca8c VS |
741 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
742 | pipe_name(pipe), | |
743 | I915_READ(PIPESTAT(pipe))); | |
744 | ||
9c870d03 CW |
745 | intel_display_power_put(dev_priv, power_domain); |
746 | } | |
747 | ||
748 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); | |
74e1ca8c VS |
749 | seq_printf(m, "Port hotplug:\t%08x\n", |
750 | I915_READ(PORT_HOTPLUG_EN)); | |
751 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
752 | I915_READ(VLV_DPFLIPSTAT)); | |
753 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
754 | I915_READ(DPINVGTT)); | |
9c870d03 | 755 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); |
74e1ca8c VS |
756 | |
757 | for (i = 0; i < 4; i++) { | |
758 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
759 | i, I915_READ(GEN8_GT_IMR(i))); | |
760 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
761 | i, I915_READ(GEN8_GT_IIR(i))); | |
762 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
763 | i, I915_READ(GEN8_GT_IER(i))); | |
764 | } | |
765 | ||
766 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
767 | I915_READ(GEN8_PCU_IMR)); | |
768 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
769 | I915_READ(GEN8_PCU_IIR)); | |
770 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
771 | I915_READ(GEN8_PCU_IER)); | |
36cdd013 | 772 | } else if (INTEL_GEN(dev_priv) >= 8) { |
a123f157 BW |
773 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
774 | I915_READ(GEN8_MASTER_IRQ)); | |
775 | ||
776 | for (i = 0; i < 4; i++) { | |
777 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
778 | i, I915_READ(GEN8_GT_IMR(i))); | |
779 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
780 | i, I915_READ(GEN8_GT_IIR(i))); | |
781 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
782 | i, I915_READ(GEN8_GT_IER(i))); | |
783 | } | |
784 | ||
055e393f | 785 | for_each_pipe(dev_priv, pipe) { |
e129649b ID |
786 | enum intel_display_power_domain power_domain; |
787 | ||
788 | power_domain = POWER_DOMAIN_PIPE(pipe); | |
789 | if (!intel_display_power_get_if_enabled(dev_priv, | |
790 | power_domain)) { | |
22c59960 PZ |
791 | seq_printf(m, "Pipe %c power disabled\n", |
792 | pipe_name(pipe)); | |
793 | continue; | |
794 | } | |
a123f157 | 795 | seq_printf(m, "Pipe %c IMR:\t%08x\n", |
07d27e20 DL |
796 | pipe_name(pipe), |
797 | I915_READ(GEN8_DE_PIPE_IMR(pipe))); | |
a123f157 | 798 | seq_printf(m, "Pipe %c IIR:\t%08x\n", |
07d27e20 DL |
799 | pipe_name(pipe), |
800 | I915_READ(GEN8_DE_PIPE_IIR(pipe))); | |
a123f157 | 801 | seq_printf(m, "Pipe %c IER:\t%08x\n", |
07d27e20 DL |
802 | pipe_name(pipe), |
803 | I915_READ(GEN8_DE_PIPE_IER(pipe))); | |
e129649b ID |
804 | |
805 | intel_display_power_put(dev_priv, power_domain); | |
a123f157 BW |
806 | } |
807 | ||
808 | seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", | |
809 | I915_READ(GEN8_DE_PORT_IMR)); | |
810 | seq_printf(m, "Display Engine port interrupt identity:\t%08x\n", | |
811 | I915_READ(GEN8_DE_PORT_IIR)); | |
812 | seq_printf(m, "Display Engine port interrupt enable:\t%08x\n", | |
813 | I915_READ(GEN8_DE_PORT_IER)); | |
814 | ||
815 | seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n", | |
816 | I915_READ(GEN8_DE_MISC_IMR)); | |
817 | seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n", | |
818 | I915_READ(GEN8_DE_MISC_IIR)); | |
819 | seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n", | |
820 | I915_READ(GEN8_DE_MISC_IER)); | |
821 | ||
822 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
823 | I915_READ(GEN8_PCU_IMR)); | |
824 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
825 | I915_READ(GEN8_PCU_IIR)); | |
826 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
827 | I915_READ(GEN8_PCU_IER)); | |
36cdd013 | 828 | } else if (IS_VALLEYVIEW(dev_priv)) { |
7e231dbe JB |
829 | seq_printf(m, "Display IER:\t%08x\n", |
830 | I915_READ(VLV_IER)); | |
831 | seq_printf(m, "Display IIR:\t%08x\n", | |
832 | I915_READ(VLV_IIR)); | |
833 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
834 | I915_READ(VLV_IIR_RW)); | |
835 | seq_printf(m, "Display IMR:\t%08x\n", | |
836 | I915_READ(VLV_IMR)); | |
055e393f | 837 | for_each_pipe(dev_priv, pipe) |
7e231dbe JB |
838 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
839 | pipe_name(pipe), | |
840 | I915_READ(PIPESTAT(pipe))); | |
841 | ||
842 | seq_printf(m, "Master IER:\t%08x\n", | |
843 | I915_READ(VLV_MASTER_IER)); | |
844 | ||
845 | seq_printf(m, "Render IER:\t%08x\n", | |
846 | I915_READ(GTIER)); | |
847 | seq_printf(m, "Render IIR:\t%08x\n", | |
848 | I915_READ(GTIIR)); | |
849 | seq_printf(m, "Render IMR:\t%08x\n", | |
850 | I915_READ(GTIMR)); | |
851 | ||
852 | seq_printf(m, "PM IER:\t\t%08x\n", | |
853 | I915_READ(GEN6_PMIER)); | |
854 | seq_printf(m, "PM IIR:\t\t%08x\n", | |
855 | I915_READ(GEN6_PMIIR)); | |
856 | seq_printf(m, "PM IMR:\t\t%08x\n", | |
857 | I915_READ(GEN6_PMIMR)); | |
858 | ||
859 | seq_printf(m, "Port hotplug:\t%08x\n", | |
860 | I915_READ(PORT_HOTPLUG_EN)); | |
861 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
862 | I915_READ(VLV_DPFLIPSTAT)); | |
863 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
864 | I915_READ(DPINVGTT)); | |
865 | ||
36cdd013 | 866 | } else if (!HAS_PCH_SPLIT(dev_priv)) { |
5f6a1695 ZW |
867 | seq_printf(m, "Interrupt enable: %08x\n", |
868 | I915_READ(IER)); | |
869 | seq_printf(m, "Interrupt identity: %08x\n", | |
870 | I915_READ(IIR)); | |
871 | seq_printf(m, "Interrupt mask: %08x\n", | |
872 | I915_READ(IMR)); | |
055e393f | 873 | for_each_pipe(dev_priv, pipe) |
9db4a9c7 JB |
874 | seq_printf(m, "Pipe %c stat: %08x\n", |
875 | pipe_name(pipe), | |
876 | I915_READ(PIPESTAT(pipe))); | |
5f6a1695 ZW |
877 | } else { |
878 | seq_printf(m, "North Display Interrupt enable: %08x\n", | |
879 | I915_READ(DEIER)); | |
880 | seq_printf(m, "North Display Interrupt identity: %08x\n", | |
881 | I915_READ(DEIIR)); | |
882 | seq_printf(m, "North Display Interrupt mask: %08x\n", | |
883 | I915_READ(DEIMR)); | |
884 | seq_printf(m, "South Display Interrupt enable: %08x\n", | |
885 | I915_READ(SDEIER)); | |
886 | seq_printf(m, "South Display Interrupt identity: %08x\n", | |
887 | I915_READ(SDEIIR)); | |
888 | seq_printf(m, "South Display Interrupt mask: %08x\n", | |
889 | I915_READ(SDEIMR)); | |
890 | seq_printf(m, "Graphics Interrupt enable: %08x\n", | |
891 | I915_READ(GTIER)); | |
892 | seq_printf(m, "Graphics Interrupt identity: %08x\n", | |
893 | I915_READ(GTIIR)); | |
894 | seq_printf(m, "Graphics Interrupt mask: %08x\n", | |
895 | I915_READ(GTIMR)); | |
896 | } | |
3b3f1650 | 897 | for_each_engine(engine, dev_priv, id) { |
36cdd013 | 898 | if (INTEL_GEN(dev_priv) >= 6) { |
a2c7f6fd CW |
899 | seq_printf(m, |
900 | "Graphics Interrupt mask (%s): %08x\n", | |
e2f80391 | 901 | engine->name, I915_READ_IMR(engine)); |
9862e600 | 902 | } |
e2f80391 | 903 | i915_ring_seqno_info(m, engine); |
9862e600 | 904 | } |
c8c8fb33 | 905 | intel_runtime_pm_put(dev_priv); |
de227ef0 | 906 | |
2017263e BG |
907 | return 0; |
908 | } | |
909 | ||
a6172a80 CW |
910 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) |
911 | { | |
36cdd013 DW |
912 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
913 | struct drm_device *dev = &dev_priv->drm; | |
de227ef0 CW |
914 | int i, ret; |
915 | ||
916 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
917 | if (ret) | |
918 | return ret; | |
a6172a80 | 919 | |
a6172a80 CW |
920 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); |
921 | for (i = 0; i < dev_priv->num_fence_regs; i++) { | |
49ef5294 | 922 | struct i915_vma *vma = dev_priv->fence_regs[i].vma; |
a6172a80 | 923 | |
6c085a72 CW |
924 | seq_printf(m, "Fence %d, pin count = %d, object = ", |
925 | i, dev_priv->fence_regs[i].pin_count); | |
49ef5294 | 926 | if (!vma) |
267f0c90 | 927 | seq_puts(m, "unused"); |
c2c347a9 | 928 | else |
49ef5294 | 929 | describe_obj(m, vma->obj); |
267f0c90 | 930 | seq_putc(m, '\n'); |
a6172a80 CW |
931 | } |
932 | ||
05394f39 | 933 | mutex_unlock(&dev->struct_mutex); |
a6172a80 CW |
934 | return 0; |
935 | } | |
936 | ||
2017263e BG |
937 | static int i915_hws_info(struct seq_file *m, void *data) |
938 | { | |
9f25d007 | 939 | struct drm_info_node *node = m->private; |
36cdd013 | 940 | struct drm_i915_private *dev_priv = node_to_i915(node); |
e2f80391 | 941 | struct intel_engine_cs *engine; |
1a240d4d | 942 | const u32 *hws; |
4066c0ae CW |
943 | int i; |
944 | ||
3b3f1650 | 945 | engine = dev_priv->engine[(uintptr_t)node->info_ent->data]; |
e2f80391 | 946 | hws = engine->status_page.page_addr; |
2017263e BG |
947 | if (hws == NULL) |
948 | return 0; | |
949 | ||
950 | for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { | |
951 | seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
952 | i * 4, | |
953 | hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); | |
954 | } | |
955 | return 0; | |
956 | } | |
957 | ||
98a2f411 CW |
958 | #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) |
959 | ||
d5442303 DV |
960 | static ssize_t |
961 | i915_error_state_write(struct file *filp, | |
962 | const char __user *ubuf, | |
963 | size_t cnt, | |
964 | loff_t *ppos) | |
965 | { | |
edc3d884 | 966 | struct i915_error_state_file_priv *error_priv = filp->private_data; |
d5442303 DV |
967 | |
968 | DRM_DEBUG_DRIVER("Resetting error state\n"); | |
662d19e7 | 969 | i915_destroy_error_state(error_priv->dev); |
d5442303 DV |
970 | |
971 | return cnt; | |
972 | } | |
973 | ||
974 | static int i915_error_state_open(struct inode *inode, struct file *file) | |
975 | { | |
36cdd013 | 976 | struct drm_i915_private *dev_priv = inode->i_private; |
d5442303 | 977 | struct i915_error_state_file_priv *error_priv; |
d5442303 DV |
978 | |
979 | error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL); | |
980 | if (!error_priv) | |
981 | return -ENOMEM; | |
982 | ||
36cdd013 | 983 | error_priv->dev = &dev_priv->drm; |
d5442303 | 984 | |
36cdd013 | 985 | i915_error_state_get(&dev_priv->drm, error_priv); |
d5442303 | 986 | |
edc3d884 MK |
987 | file->private_data = error_priv; |
988 | ||
989 | return 0; | |
d5442303 DV |
990 | } |
991 | ||
992 | static int i915_error_state_release(struct inode *inode, struct file *file) | |
993 | { | |
edc3d884 | 994 | struct i915_error_state_file_priv *error_priv = file->private_data; |
d5442303 | 995 | |
95d5bfb3 | 996 | i915_error_state_put(error_priv); |
d5442303 DV |
997 | kfree(error_priv); |
998 | ||
edc3d884 MK |
999 | return 0; |
1000 | } | |
1001 | ||
4dc955f7 MK |
1002 | static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, |
1003 | size_t count, loff_t *pos) | |
1004 | { | |
1005 | struct i915_error_state_file_priv *error_priv = file->private_data; | |
1006 | struct drm_i915_error_state_buf error_str; | |
1007 | loff_t tmp_pos = 0; | |
1008 | ssize_t ret_count = 0; | |
1009 | int ret; | |
1010 | ||
36cdd013 DW |
1011 | ret = i915_error_state_buf_init(&error_str, |
1012 | to_i915(error_priv->dev), count, *pos); | |
4dc955f7 MK |
1013 | if (ret) |
1014 | return ret; | |
edc3d884 | 1015 | |
fc16b48b | 1016 | ret = i915_error_state_to_str(&error_str, error_priv); |
edc3d884 MK |
1017 | if (ret) |
1018 | goto out; | |
1019 | ||
edc3d884 MK |
1020 | ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos, |
1021 | error_str.buf, | |
1022 | error_str.bytes); | |
1023 | ||
1024 | if (ret_count < 0) | |
1025 | ret = ret_count; | |
1026 | else | |
1027 | *pos = error_str.start + ret_count; | |
1028 | out: | |
4dc955f7 | 1029 | i915_error_state_buf_release(&error_str); |
edc3d884 | 1030 | return ret ?: ret_count; |
d5442303 DV |
1031 | } |
1032 | ||
1033 | static const struct file_operations i915_error_state_fops = { | |
1034 | .owner = THIS_MODULE, | |
1035 | .open = i915_error_state_open, | |
edc3d884 | 1036 | .read = i915_error_state_read, |
d5442303 DV |
1037 | .write = i915_error_state_write, |
1038 | .llseek = default_llseek, | |
1039 | .release = i915_error_state_release, | |
1040 | }; | |
1041 | ||
98a2f411 CW |
1042 | #endif |
1043 | ||
647416f9 KC |
1044 | static int |
1045 | i915_next_seqno_get(void *data, u64 *val) | |
40633219 | 1046 | { |
36cdd013 | 1047 | struct drm_i915_private *dev_priv = data; |
40633219 | 1048 | |
28176ef4 | 1049 | *val = atomic_read(&dev_priv->gt.global_timeline.next_seqno); |
647416f9 | 1050 | return 0; |
40633219 MK |
1051 | } |
1052 | ||
647416f9 KC |
1053 | static int |
1054 | i915_next_seqno_set(void *data, u64 val) | |
1055 | { | |
36cdd013 DW |
1056 | struct drm_i915_private *dev_priv = data; |
1057 | struct drm_device *dev = &dev_priv->drm; | |
40633219 MK |
1058 | int ret; |
1059 | ||
40633219 MK |
1060 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1061 | if (ret) | |
1062 | return ret; | |
1063 | ||
73cb9701 | 1064 | ret = i915_gem_set_global_seqno(dev, val); |
40633219 MK |
1065 | mutex_unlock(&dev->struct_mutex); |
1066 | ||
647416f9 | 1067 | return ret; |
40633219 MK |
1068 | } |
1069 | ||
647416f9 KC |
1070 | DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, |
1071 | i915_next_seqno_get, i915_next_seqno_set, | |
3a3b4f98 | 1072 | "0x%llx\n"); |
40633219 | 1073 | |
adb4bd12 | 1074 | static int i915_frequency_info(struct seq_file *m, void *unused) |
f97108d1 | 1075 | { |
36cdd013 DW |
1076 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1077 | struct drm_device *dev = &dev_priv->drm; | |
c8c8fb33 PZ |
1078 | int ret = 0; |
1079 | ||
1080 | intel_runtime_pm_get(dev_priv); | |
3b8d8d91 | 1081 | |
36cdd013 | 1082 | if (IS_GEN5(dev_priv)) { |
3b8d8d91 JB |
1083 | u16 rgvswctl = I915_READ16(MEMSWCTL); |
1084 | u16 rgvstat = I915_READ16(MEMSTAT_ILK); | |
1085 | ||
1086 | seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); | |
1087 | seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); | |
1088 | seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> | |
1089 | MEMSTAT_VID_SHIFT); | |
1090 | seq_printf(m, "Current P-state: %d\n", | |
1091 | (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); | |
36cdd013 | 1092 | } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { |
666a4537 WB |
1093 | u32 freq_sts; |
1094 | ||
1095 | mutex_lock(&dev_priv->rps.hw_lock); | |
1096 | freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); | |
1097 | seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts); | |
1098 | seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq); | |
1099 | ||
1100 | seq_printf(m, "actual GPU freq: %d MHz\n", | |
1101 | intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff)); | |
1102 | ||
1103 | seq_printf(m, "current GPU freq: %d MHz\n", | |
1104 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1105 | ||
1106 | seq_printf(m, "max GPU freq: %d MHz\n", | |
1107 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1108 | ||
1109 | seq_printf(m, "min GPU freq: %d MHz\n", | |
1110 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); | |
1111 | ||
1112 | seq_printf(m, "idle GPU freq: %d MHz\n", | |
1113 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
1114 | ||
1115 | seq_printf(m, | |
1116 | "efficient (RPe) frequency: %d MHz\n", | |
1117 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
1118 | mutex_unlock(&dev_priv->rps.hw_lock); | |
36cdd013 | 1119 | } else if (INTEL_GEN(dev_priv) >= 6) { |
35040562 BP |
1120 | u32 rp_state_limits; |
1121 | u32 gt_perf_status; | |
1122 | u32 rp_state_cap; | |
0d8f9491 | 1123 | u32 rpmodectl, rpinclimit, rpdeclimit; |
8e8c06cd | 1124 | u32 rpstat, cagf, reqf; |
ccab5c82 JB |
1125 | u32 rpupei, rpcurup, rpprevup; |
1126 | u32 rpdownei, rpcurdown, rpprevdown; | |
9dd3c605 | 1127 | u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask; |
3b8d8d91 JB |
1128 | int max_freq; |
1129 | ||
35040562 | 1130 | rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); |
36cdd013 | 1131 | if (IS_BROXTON(dev_priv)) { |
35040562 BP |
1132 | rp_state_cap = I915_READ(BXT_RP_STATE_CAP); |
1133 | gt_perf_status = I915_READ(BXT_GT_PERF_STATUS); | |
1134 | } else { | |
1135 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
1136 | gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); | |
1137 | } | |
1138 | ||
3b8d8d91 | 1139 | /* RPSTAT1 is in the GT power well */ |
d1ebd816 BW |
1140 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1141 | if (ret) | |
c8c8fb33 | 1142 | goto out; |
d1ebd816 | 1143 | |
59bad947 | 1144 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
3b8d8d91 | 1145 | |
8e8c06cd | 1146 | reqf = I915_READ(GEN6_RPNSWREQ); |
36cdd013 | 1147 | if (IS_GEN9(dev_priv)) |
60260a5b AG |
1148 | reqf >>= 23; |
1149 | else { | |
1150 | reqf &= ~GEN6_TURBO_DISABLE; | |
36cdd013 | 1151 | if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) |
60260a5b AG |
1152 | reqf >>= 24; |
1153 | else | |
1154 | reqf >>= 25; | |
1155 | } | |
7c59a9c1 | 1156 | reqf = intel_gpu_freq(dev_priv, reqf); |
8e8c06cd | 1157 | |
0d8f9491 CW |
1158 | rpmodectl = I915_READ(GEN6_RP_CONTROL); |
1159 | rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD); | |
1160 | rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD); | |
1161 | ||
ccab5c82 | 1162 | rpstat = I915_READ(GEN6_RPSTAT1); |
d6cda9c7 AG |
1163 | rpupei = I915_READ(GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK; |
1164 | rpcurup = I915_READ(GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK; | |
1165 | rpprevup = I915_READ(GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK; | |
1166 | rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK; | |
1167 | rpcurdown = I915_READ(GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK; | |
1168 | rpprevdown = I915_READ(GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK; | |
36cdd013 | 1169 | if (IS_GEN9(dev_priv)) |
60260a5b | 1170 | cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; |
36cdd013 | 1171 | else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) |
f82855d3 BW |
1172 | cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; |
1173 | else | |
1174 | cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; | |
7c59a9c1 | 1175 | cagf = intel_gpu_freq(dev_priv, cagf); |
ccab5c82 | 1176 | |
59bad947 | 1177 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
d1ebd816 BW |
1178 | mutex_unlock(&dev->struct_mutex); |
1179 | ||
36cdd013 | 1180 | if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv)) { |
9dd3c605 PZ |
1181 | pm_ier = I915_READ(GEN6_PMIER); |
1182 | pm_imr = I915_READ(GEN6_PMIMR); | |
1183 | pm_isr = I915_READ(GEN6_PMISR); | |
1184 | pm_iir = I915_READ(GEN6_PMIIR); | |
1185 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1186 | } else { | |
1187 | pm_ier = I915_READ(GEN8_GT_IER(2)); | |
1188 | pm_imr = I915_READ(GEN8_GT_IMR(2)); | |
1189 | pm_isr = I915_READ(GEN8_GT_ISR(2)); | |
1190 | pm_iir = I915_READ(GEN8_GT_IIR(2)); | |
1191 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1192 | } | |
0d8f9491 | 1193 | seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n", |
9dd3c605 | 1194 | pm_ier, pm_imr, pm_isr, pm_iir, pm_mask); |
1800ad25 | 1195 | seq_printf(m, "pm_intr_keep: 0x%08x\n", dev_priv->rps.pm_intr_keep); |
3b8d8d91 | 1196 | seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); |
3b8d8d91 | 1197 | seq_printf(m, "Render p-state ratio: %d\n", |
36cdd013 | 1198 | (gt_perf_status & (IS_GEN9(dev_priv) ? 0x1ff00 : 0xff00)) >> 8); |
3b8d8d91 JB |
1199 | seq_printf(m, "Render p-state VID: %d\n", |
1200 | gt_perf_status & 0xff); | |
1201 | seq_printf(m, "Render p-state limit: %d\n", | |
1202 | rp_state_limits & 0xff); | |
0d8f9491 CW |
1203 | seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); |
1204 | seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl); | |
1205 | seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit); | |
1206 | seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit); | |
8e8c06cd | 1207 | seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); |
f82855d3 | 1208 | seq_printf(m, "CAGF: %dMHz\n", cagf); |
d6cda9c7 AG |
1209 | seq_printf(m, "RP CUR UP EI: %d (%dus)\n", |
1210 | rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei)); | |
1211 | seq_printf(m, "RP CUR UP: %d (%dus)\n", | |
1212 | rpcurup, GT_PM_INTERVAL_TO_US(dev_priv, rpcurup)); | |
1213 | seq_printf(m, "RP PREV UP: %d (%dus)\n", | |
1214 | rpprevup, GT_PM_INTERVAL_TO_US(dev_priv, rpprevup)); | |
d86ed34a CW |
1215 | seq_printf(m, "Up threshold: %d%%\n", |
1216 | dev_priv->rps.up_threshold); | |
1217 | ||
d6cda9c7 AG |
1218 | seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n", |
1219 | rpdownei, GT_PM_INTERVAL_TO_US(dev_priv, rpdownei)); | |
1220 | seq_printf(m, "RP CUR DOWN: %d (%dus)\n", | |
1221 | rpcurdown, GT_PM_INTERVAL_TO_US(dev_priv, rpcurdown)); | |
1222 | seq_printf(m, "RP PREV DOWN: %d (%dus)\n", | |
1223 | rpprevdown, GT_PM_INTERVAL_TO_US(dev_priv, rpprevdown)); | |
d86ed34a CW |
1224 | seq_printf(m, "Down threshold: %d%%\n", |
1225 | dev_priv->rps.down_threshold); | |
3b8d8d91 | 1226 | |
36cdd013 | 1227 | max_freq = (IS_BROXTON(dev_priv) ? rp_state_cap >> 0 : |
35040562 | 1228 | rp_state_cap >> 16) & 0xff; |
36cdd013 | 1229 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1230 | GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1231 | seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", |
7c59a9c1 | 1232 | intel_gpu_freq(dev_priv, max_freq)); |
3b8d8d91 JB |
1233 | |
1234 | max_freq = (rp_state_cap & 0xff00) >> 8; | |
36cdd013 | 1235 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1236 | GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1237 | seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", |
7c59a9c1 | 1238 | intel_gpu_freq(dev_priv, max_freq)); |
3b8d8d91 | 1239 | |
36cdd013 | 1240 | max_freq = (IS_BROXTON(dev_priv) ? rp_state_cap >> 16 : |
35040562 | 1241 | rp_state_cap >> 0) & 0xff; |
36cdd013 | 1242 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1243 | GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1244 | seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", |
7c59a9c1 | 1245 | intel_gpu_freq(dev_priv, max_freq)); |
31c77388 | 1246 | seq_printf(m, "Max overclocked frequency: %dMHz\n", |
7c59a9c1 | 1247 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); |
aed242ff | 1248 | |
d86ed34a CW |
1249 | seq_printf(m, "Current freq: %d MHz\n", |
1250 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1251 | seq_printf(m, "Actual freq: %d MHz\n", cagf); | |
aed242ff CW |
1252 | seq_printf(m, "Idle freq: %d MHz\n", |
1253 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
d86ed34a CW |
1254 | seq_printf(m, "Min freq: %d MHz\n", |
1255 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); | |
29ecd78d CW |
1256 | seq_printf(m, "Boost freq: %d MHz\n", |
1257 | intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); | |
d86ed34a CW |
1258 | seq_printf(m, "Max freq: %d MHz\n", |
1259 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1260 | seq_printf(m, | |
1261 | "efficient (RPe) frequency: %d MHz\n", | |
1262 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
3b8d8d91 | 1263 | } else { |
267f0c90 | 1264 | seq_puts(m, "no P-state info available\n"); |
3b8d8d91 | 1265 | } |
f97108d1 | 1266 | |
1170f28c MK |
1267 | seq_printf(m, "Current CD clock frequency: %d kHz\n", dev_priv->cdclk_freq); |
1268 | seq_printf(m, "Max CD clock frequency: %d kHz\n", dev_priv->max_cdclk_freq); | |
1269 | seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq); | |
1270 | ||
c8c8fb33 PZ |
1271 | out: |
1272 | intel_runtime_pm_put(dev_priv); | |
1273 | return ret; | |
f97108d1 JB |
1274 | } |
1275 | ||
d636951e BW |
1276 | static void i915_instdone_info(struct drm_i915_private *dev_priv, |
1277 | struct seq_file *m, | |
1278 | struct intel_instdone *instdone) | |
1279 | { | |
f9e61372 BW |
1280 | int slice; |
1281 | int subslice; | |
1282 | ||
d636951e BW |
1283 | seq_printf(m, "\t\tINSTDONE: 0x%08x\n", |
1284 | instdone->instdone); | |
1285 | ||
1286 | if (INTEL_GEN(dev_priv) <= 3) | |
1287 | return; | |
1288 | ||
1289 | seq_printf(m, "\t\tSC_INSTDONE: 0x%08x\n", | |
1290 | instdone->slice_common); | |
1291 | ||
1292 | if (INTEL_GEN(dev_priv) <= 6) | |
1293 | return; | |
1294 | ||
f9e61372 BW |
1295 | for_each_instdone_slice_subslice(dev_priv, slice, subslice) |
1296 | seq_printf(m, "\t\tSAMPLER_INSTDONE[%d][%d]: 0x%08x\n", | |
1297 | slice, subslice, instdone->sampler[slice][subslice]); | |
1298 | ||
1299 | for_each_instdone_slice_subslice(dev_priv, slice, subslice) | |
1300 | seq_printf(m, "\t\tROW_INSTDONE[%d][%d]: 0x%08x\n", | |
1301 | slice, subslice, instdone->row[slice][subslice]); | |
d636951e BW |
1302 | } |
1303 | ||
f654449a CW |
1304 | static int i915_hangcheck_info(struct seq_file *m, void *unused) |
1305 | { | |
36cdd013 | 1306 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
e2f80391 | 1307 | struct intel_engine_cs *engine; |
666796da TU |
1308 | u64 acthd[I915_NUM_ENGINES]; |
1309 | u32 seqno[I915_NUM_ENGINES]; | |
d636951e | 1310 | struct intel_instdone instdone; |
c3232b18 | 1311 | enum intel_engine_id id; |
f654449a | 1312 | |
8af29b0c CW |
1313 | if (test_bit(I915_WEDGED, &dev_priv->gpu_error.flags)) |
1314 | seq_printf(m, "Wedged\n"); | |
1315 | if (test_bit(I915_RESET_IN_PROGRESS, &dev_priv->gpu_error.flags)) | |
1316 | seq_printf(m, "Reset in progress\n"); | |
1317 | if (waitqueue_active(&dev_priv->gpu_error.wait_queue)) | |
1318 | seq_printf(m, "Waiter holding struct mutex\n"); | |
1319 | if (waitqueue_active(&dev_priv->gpu_error.reset_queue)) | |
1320 | seq_printf(m, "struct_mutex blocked for reset\n"); | |
1321 | ||
f654449a CW |
1322 | if (!i915.enable_hangcheck) { |
1323 | seq_printf(m, "Hangcheck disabled\n"); | |
1324 | return 0; | |
1325 | } | |
1326 | ||
ebbc7546 MK |
1327 | intel_runtime_pm_get(dev_priv); |
1328 | ||
3b3f1650 | 1329 | for_each_engine(engine, dev_priv, id) { |
7e37f889 | 1330 | acthd[id] = intel_engine_get_active_head(engine); |
1b7744e7 | 1331 | seqno[id] = intel_engine_get_seqno(engine); |
ebbc7546 MK |
1332 | } |
1333 | ||
3b3f1650 | 1334 | intel_engine_get_instdone(dev_priv->engine[RCS], &instdone); |
61642ff0 | 1335 | |
ebbc7546 MK |
1336 | intel_runtime_pm_put(dev_priv); |
1337 | ||
f654449a CW |
1338 | if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) { |
1339 | seq_printf(m, "Hangcheck active, fires in %dms\n", | |
1340 | jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires - | |
1341 | jiffies)); | |
1342 | } else | |
1343 | seq_printf(m, "Hangcheck inactive\n"); | |
1344 | ||
3b3f1650 | 1345 | for_each_engine(engine, dev_priv, id) { |
33f53719 CW |
1346 | struct intel_breadcrumbs *b = &engine->breadcrumbs; |
1347 | struct rb_node *rb; | |
1348 | ||
e2f80391 | 1349 | seq_printf(m, "%s:\n", engine->name); |
14fd0d6d CW |
1350 | seq_printf(m, "\tseqno = %x [current %x, last %x]\n", |
1351 | engine->hangcheck.seqno, | |
1352 | seqno[id], | |
73cb9701 | 1353 | engine->timeline->last_submitted_seqno); |
83348ba8 CW |
1354 | seq_printf(m, "\twaiters? %s, fake irq active? %s\n", |
1355 | yesno(intel_engine_has_waiter(engine)), | |
1356 | yesno(test_bit(engine->id, | |
1357 | &dev_priv->gpu_error.missed_irq_rings))); | |
f6168e33 | 1358 | spin_lock_irq(&b->lock); |
33f53719 CW |
1359 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { |
1360 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
1361 | ||
1362 | seq_printf(m, "\t%s [%d] waiting for %x\n", | |
1363 | w->tsk->comm, w->tsk->pid, w->seqno); | |
1364 | } | |
f6168e33 | 1365 | spin_unlock_irq(&b->lock); |
33f53719 | 1366 | |
f654449a | 1367 | seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n", |
e2f80391 | 1368 | (long long)engine->hangcheck.acthd, |
c3232b18 | 1369 | (long long)acthd[id]); |
e2f80391 TU |
1370 | seq_printf(m, "\tscore = %d\n", engine->hangcheck.score); |
1371 | seq_printf(m, "\taction = %d\n", engine->hangcheck.action); | |
61642ff0 | 1372 | |
e2f80391 | 1373 | if (engine->id == RCS) { |
d636951e | 1374 | seq_puts(m, "\tinstdone read =\n"); |
61642ff0 | 1375 | |
d636951e | 1376 | i915_instdone_info(dev_priv, m, &instdone); |
61642ff0 | 1377 | |
d636951e | 1378 | seq_puts(m, "\tinstdone accu =\n"); |
61642ff0 | 1379 | |
d636951e BW |
1380 | i915_instdone_info(dev_priv, m, |
1381 | &engine->hangcheck.instdone); | |
61642ff0 | 1382 | } |
f654449a CW |
1383 | } |
1384 | ||
1385 | return 0; | |
1386 | } | |
1387 | ||
4d85529d | 1388 | static int ironlake_drpc_info(struct seq_file *m) |
f97108d1 | 1389 | { |
36cdd013 | 1390 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
616fdb5a BW |
1391 | u32 rgvmodectl, rstdbyctl; |
1392 | u16 crstandvid; | |
616fdb5a | 1393 | |
c8c8fb33 | 1394 | intel_runtime_pm_get(dev_priv); |
616fdb5a BW |
1395 | |
1396 | rgvmodectl = I915_READ(MEMMODECTL); | |
1397 | rstdbyctl = I915_READ(RSTDBYCTL); | |
1398 | crstandvid = I915_READ16(CRSTANDVID); | |
1399 | ||
c8c8fb33 | 1400 | intel_runtime_pm_put(dev_priv); |
f97108d1 | 1401 | |
742f491d | 1402 | seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN)); |
f97108d1 JB |
1403 | seq_printf(m, "Boost freq: %d\n", |
1404 | (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> | |
1405 | MEMMODE_BOOST_FREQ_SHIFT); | |
1406 | seq_printf(m, "HW control enabled: %s\n", | |
742f491d | 1407 | yesno(rgvmodectl & MEMMODE_HWIDLE_EN)); |
f97108d1 | 1408 | seq_printf(m, "SW control enabled: %s\n", |
742f491d | 1409 | yesno(rgvmodectl & MEMMODE_SWMODE_EN)); |
f97108d1 | 1410 | seq_printf(m, "Gated voltage change: %s\n", |
742f491d | 1411 | yesno(rgvmodectl & MEMMODE_RCLK_GATE)); |
f97108d1 JB |
1412 | seq_printf(m, "Starting frequency: P%d\n", |
1413 | (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); | |
7648fa99 | 1414 | seq_printf(m, "Max P-state: P%d\n", |
f97108d1 | 1415 | (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); |
7648fa99 JB |
1416 | seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); |
1417 | seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); | |
1418 | seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); | |
1419 | seq_printf(m, "Render standby enabled: %s\n", | |
742f491d | 1420 | yesno(!(rstdbyctl & RCX_SW_EXIT))); |
267f0c90 | 1421 | seq_puts(m, "Current RS state: "); |
88271da3 JB |
1422 | switch (rstdbyctl & RSX_STATUS_MASK) { |
1423 | case RSX_STATUS_ON: | |
267f0c90 | 1424 | seq_puts(m, "on\n"); |
88271da3 JB |
1425 | break; |
1426 | case RSX_STATUS_RC1: | |
267f0c90 | 1427 | seq_puts(m, "RC1\n"); |
88271da3 JB |
1428 | break; |
1429 | case RSX_STATUS_RC1E: | |
267f0c90 | 1430 | seq_puts(m, "RC1E\n"); |
88271da3 JB |
1431 | break; |
1432 | case RSX_STATUS_RS1: | |
267f0c90 | 1433 | seq_puts(m, "RS1\n"); |
88271da3 JB |
1434 | break; |
1435 | case RSX_STATUS_RS2: | |
267f0c90 | 1436 | seq_puts(m, "RS2 (RC6)\n"); |
88271da3 JB |
1437 | break; |
1438 | case RSX_STATUS_RS3: | |
267f0c90 | 1439 | seq_puts(m, "RC3 (RC6+)\n"); |
88271da3 JB |
1440 | break; |
1441 | default: | |
267f0c90 | 1442 | seq_puts(m, "unknown\n"); |
88271da3 JB |
1443 | break; |
1444 | } | |
f97108d1 JB |
1445 | |
1446 | return 0; | |
1447 | } | |
1448 | ||
f65367b5 | 1449 | static int i915_forcewake_domains(struct seq_file *m, void *data) |
669ab5aa | 1450 | { |
36cdd013 | 1451 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
b2cff0db | 1452 | struct intel_uncore_forcewake_domain *fw_domain; |
b2cff0db CW |
1453 | |
1454 | spin_lock_irq(&dev_priv->uncore.lock); | |
33c582c1 | 1455 | for_each_fw_domain(fw_domain, dev_priv) { |
b2cff0db | 1456 | seq_printf(m, "%s.wake_count = %u\n", |
33c582c1 | 1457 | intel_uncore_forcewake_domain_to_str(fw_domain->id), |
b2cff0db CW |
1458 | fw_domain->wake_count); |
1459 | } | |
1460 | spin_unlock_irq(&dev_priv->uncore.lock); | |
669ab5aa | 1461 | |
b2cff0db CW |
1462 | return 0; |
1463 | } | |
1464 | ||
1465 | static int vlv_drpc_info(struct seq_file *m) | |
1466 | { | |
36cdd013 | 1467 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
6b312cd3 | 1468 | u32 rpmodectl1, rcctl1, pw_status; |
669ab5aa | 1469 | |
d46c0517 ID |
1470 | intel_runtime_pm_get(dev_priv); |
1471 | ||
6b312cd3 | 1472 | pw_status = I915_READ(VLV_GTLC_PW_STATUS); |
669ab5aa D |
1473 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); |
1474 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1475 | ||
d46c0517 ID |
1476 | intel_runtime_pm_put(dev_priv); |
1477 | ||
669ab5aa D |
1478 | seq_printf(m, "Video Turbo Mode: %s\n", |
1479 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1480 | seq_printf(m, "Turbo enabled: %s\n", | |
1481 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1482 | seq_printf(m, "HW control enabled: %s\n", | |
1483 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1484 | seq_printf(m, "SW control enabled: %s\n", | |
1485 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1486 | GEN6_RP_MEDIA_SW_MODE)); | |
1487 | seq_printf(m, "RC6 Enabled: %s\n", | |
1488 | yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE | | |
1489 | GEN6_RC_CTL_EI_MODE(1)))); | |
1490 | seq_printf(m, "Render Power Well: %s\n", | |
6b312cd3 | 1491 | (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1492 | seq_printf(m, "Media Power Well: %s\n", |
6b312cd3 | 1493 | (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1494 | |
9cc19be5 ID |
1495 | seq_printf(m, "Render RC6 residency since boot: %u\n", |
1496 | I915_READ(VLV_GT_RENDER_RC6)); | |
1497 | seq_printf(m, "Media RC6 residency since boot: %u\n", | |
1498 | I915_READ(VLV_GT_MEDIA_RC6)); | |
1499 | ||
f65367b5 | 1500 | return i915_forcewake_domains(m, NULL); |
669ab5aa D |
1501 | } |
1502 | ||
4d85529d BW |
1503 | static int gen6_drpc_info(struct seq_file *m) |
1504 | { | |
36cdd013 DW |
1505 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1506 | struct drm_device *dev = &dev_priv->drm; | |
ecd8faea | 1507 | u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; |
f2dd7578 | 1508 | u32 gen9_powergate_enable = 0, gen9_powergate_status = 0; |
93b525dc | 1509 | unsigned forcewake_count; |
aee56cff | 1510 | int count = 0, ret; |
4d85529d BW |
1511 | |
1512 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1513 | if (ret) | |
1514 | return ret; | |
c8c8fb33 | 1515 | intel_runtime_pm_get(dev_priv); |
4d85529d | 1516 | |
907b28c5 | 1517 | spin_lock_irq(&dev_priv->uncore.lock); |
b2cff0db | 1518 | forcewake_count = dev_priv->uncore.fw_domain[FW_DOMAIN_ID_RENDER].wake_count; |
907b28c5 | 1519 | spin_unlock_irq(&dev_priv->uncore.lock); |
93b525dc DV |
1520 | |
1521 | if (forcewake_count) { | |
267f0c90 DL |
1522 | seq_puts(m, "RC information inaccurate because somebody " |
1523 | "holds a forcewake reference \n"); | |
4d85529d BW |
1524 | } else { |
1525 | /* NB: we cannot use forcewake, else we read the wrong values */ | |
1526 | while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) | |
1527 | udelay(10); | |
1528 | seq_printf(m, "RC information accurate: %s\n", yesno(count < 51)); | |
1529 | } | |
1530 | ||
75aa3f63 | 1531 | gt_core_status = I915_READ_FW(GEN6_GT_CORE_STATUS); |
ed71f1b4 | 1532 | trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true); |
4d85529d BW |
1533 | |
1534 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); | |
1535 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
36cdd013 | 1536 | if (INTEL_GEN(dev_priv) >= 9) { |
f2dd7578 AG |
1537 | gen9_powergate_enable = I915_READ(GEN9_PG_ENABLE); |
1538 | gen9_powergate_status = I915_READ(GEN9_PWRGT_DOMAIN_STATUS); | |
1539 | } | |
4d85529d | 1540 | mutex_unlock(&dev->struct_mutex); |
44cbd338 BW |
1541 | mutex_lock(&dev_priv->rps.hw_lock); |
1542 | sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); | |
1543 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4d85529d | 1544 | |
c8c8fb33 PZ |
1545 | intel_runtime_pm_put(dev_priv); |
1546 | ||
4d85529d BW |
1547 | seq_printf(m, "Video Turbo Mode: %s\n", |
1548 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1549 | seq_printf(m, "HW control enabled: %s\n", | |
1550 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1551 | seq_printf(m, "SW control enabled: %s\n", | |
1552 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1553 | GEN6_RP_MEDIA_SW_MODE)); | |
fff24e21 | 1554 | seq_printf(m, "RC1e Enabled: %s\n", |
4d85529d BW |
1555 | yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); |
1556 | seq_printf(m, "RC6 Enabled: %s\n", | |
1557 | yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); | |
36cdd013 | 1558 | if (INTEL_GEN(dev_priv) >= 9) { |
f2dd7578 AG |
1559 | seq_printf(m, "Render Well Gating Enabled: %s\n", |
1560 | yesno(gen9_powergate_enable & GEN9_RENDER_PG_ENABLE)); | |
1561 | seq_printf(m, "Media Well Gating Enabled: %s\n", | |
1562 | yesno(gen9_powergate_enable & GEN9_MEDIA_PG_ENABLE)); | |
1563 | } | |
4d85529d BW |
1564 | seq_printf(m, "Deep RC6 Enabled: %s\n", |
1565 | yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); | |
1566 | seq_printf(m, "Deepest RC6 Enabled: %s\n", | |
1567 | yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); | |
267f0c90 | 1568 | seq_puts(m, "Current RC state: "); |
4d85529d BW |
1569 | switch (gt_core_status & GEN6_RCn_MASK) { |
1570 | case GEN6_RC0: | |
1571 | if (gt_core_status & GEN6_CORE_CPD_STATE_MASK) | |
267f0c90 | 1572 | seq_puts(m, "Core Power Down\n"); |
4d85529d | 1573 | else |
267f0c90 | 1574 | seq_puts(m, "on\n"); |
4d85529d BW |
1575 | break; |
1576 | case GEN6_RC3: | |
267f0c90 | 1577 | seq_puts(m, "RC3\n"); |
4d85529d BW |
1578 | break; |
1579 | case GEN6_RC6: | |
267f0c90 | 1580 | seq_puts(m, "RC6\n"); |
4d85529d BW |
1581 | break; |
1582 | case GEN6_RC7: | |
267f0c90 | 1583 | seq_puts(m, "RC7\n"); |
4d85529d BW |
1584 | break; |
1585 | default: | |
267f0c90 | 1586 | seq_puts(m, "Unknown\n"); |
4d85529d BW |
1587 | break; |
1588 | } | |
1589 | ||
1590 | seq_printf(m, "Core Power Down: %s\n", | |
1591 | yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK)); | |
36cdd013 | 1592 | if (INTEL_GEN(dev_priv) >= 9) { |
f2dd7578 AG |
1593 | seq_printf(m, "Render Power Well: %s\n", |
1594 | (gen9_powergate_status & | |
1595 | GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down"); | |
1596 | seq_printf(m, "Media Power Well: %s\n", | |
1597 | (gen9_powergate_status & | |
1598 | GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down"); | |
1599 | } | |
cce66a28 BW |
1600 | |
1601 | /* Not exactly sure what this is */ | |
1602 | seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n", | |
1603 | I915_READ(GEN6_GT_GFX_RC6_LOCKED)); | |
1604 | seq_printf(m, "RC6 residency since boot: %u\n", | |
1605 | I915_READ(GEN6_GT_GFX_RC6)); | |
1606 | seq_printf(m, "RC6+ residency since boot: %u\n", | |
1607 | I915_READ(GEN6_GT_GFX_RC6p)); | |
1608 | seq_printf(m, "RC6++ residency since boot: %u\n", | |
1609 | I915_READ(GEN6_GT_GFX_RC6pp)); | |
1610 | ||
ecd8faea BW |
1611 | seq_printf(m, "RC6 voltage: %dmV\n", |
1612 | GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff))); | |
1613 | seq_printf(m, "RC6+ voltage: %dmV\n", | |
1614 | GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff))); | |
1615 | seq_printf(m, "RC6++ voltage: %dmV\n", | |
1616 | GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff))); | |
f2dd7578 | 1617 | return i915_forcewake_domains(m, NULL); |
4d85529d BW |
1618 | } |
1619 | ||
1620 | static int i915_drpc_info(struct seq_file *m, void *unused) | |
1621 | { | |
36cdd013 | 1622 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
4d85529d | 1623 | |
36cdd013 | 1624 | if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
669ab5aa | 1625 | return vlv_drpc_info(m); |
36cdd013 | 1626 | else if (INTEL_GEN(dev_priv) >= 6) |
4d85529d BW |
1627 | return gen6_drpc_info(m); |
1628 | else | |
1629 | return ironlake_drpc_info(m); | |
1630 | } | |
1631 | ||
9a851789 DV |
1632 | static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) |
1633 | { | |
36cdd013 | 1634 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
9a851789 DV |
1635 | |
1636 | seq_printf(m, "FB tracking busy bits: 0x%08x\n", | |
1637 | dev_priv->fb_tracking.busy_bits); | |
1638 | ||
1639 | seq_printf(m, "FB tracking flip bits: 0x%08x\n", | |
1640 | dev_priv->fb_tracking.flip_bits); | |
1641 | ||
1642 | return 0; | |
1643 | } | |
1644 | ||
b5e50c3f JB |
1645 | static int i915_fbc_status(struct seq_file *m, void *unused) |
1646 | { | |
36cdd013 | 1647 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
b5e50c3f | 1648 | |
36cdd013 | 1649 | if (!HAS_FBC(dev_priv)) { |
267f0c90 | 1650 | seq_puts(m, "FBC unsupported on this chipset\n"); |
b5e50c3f JB |
1651 | return 0; |
1652 | } | |
1653 | ||
36623ef8 | 1654 | intel_runtime_pm_get(dev_priv); |
25ad93fd | 1655 | mutex_lock(&dev_priv->fbc.lock); |
36623ef8 | 1656 | |
0e631adc | 1657 | if (intel_fbc_is_active(dev_priv)) |
267f0c90 | 1658 | seq_puts(m, "FBC enabled\n"); |
2e8144a5 PZ |
1659 | else |
1660 | seq_printf(m, "FBC disabled: %s\n", | |
bf6189c6 | 1661 | dev_priv->fbc.no_fbc_reason); |
36623ef8 | 1662 | |
0fc6a9dc PZ |
1663 | if (intel_fbc_is_active(dev_priv) && INTEL_GEN(dev_priv) >= 7) { |
1664 | uint32_t mask = INTEL_GEN(dev_priv) >= 8 ? | |
1665 | BDW_FBC_COMPRESSION_MASK : | |
1666 | IVB_FBC_COMPRESSION_MASK; | |
31b9df10 | 1667 | seq_printf(m, "Compressing: %s\n", |
0fc6a9dc PZ |
1668 | yesno(I915_READ(FBC_STATUS2) & mask)); |
1669 | } | |
31b9df10 | 1670 | |
25ad93fd | 1671 | mutex_unlock(&dev_priv->fbc.lock); |
36623ef8 PZ |
1672 | intel_runtime_pm_put(dev_priv); |
1673 | ||
b5e50c3f JB |
1674 | return 0; |
1675 | } | |
1676 | ||
da46f936 RV |
1677 | static int i915_fbc_fc_get(void *data, u64 *val) |
1678 | { | |
36cdd013 | 1679 | struct drm_i915_private *dev_priv = data; |
da46f936 | 1680 | |
36cdd013 | 1681 | if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) |
da46f936 RV |
1682 | return -ENODEV; |
1683 | ||
da46f936 | 1684 | *val = dev_priv->fbc.false_color; |
da46f936 RV |
1685 | |
1686 | return 0; | |
1687 | } | |
1688 | ||
1689 | static int i915_fbc_fc_set(void *data, u64 val) | |
1690 | { | |
36cdd013 | 1691 | struct drm_i915_private *dev_priv = data; |
da46f936 RV |
1692 | u32 reg; |
1693 | ||
36cdd013 | 1694 | if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) |
da46f936 RV |
1695 | return -ENODEV; |
1696 | ||
25ad93fd | 1697 | mutex_lock(&dev_priv->fbc.lock); |
da46f936 RV |
1698 | |
1699 | reg = I915_READ(ILK_DPFC_CONTROL); | |
1700 | dev_priv->fbc.false_color = val; | |
1701 | ||
1702 | I915_WRITE(ILK_DPFC_CONTROL, val ? | |
1703 | (reg | FBC_CTL_FALSE_COLOR) : | |
1704 | (reg & ~FBC_CTL_FALSE_COLOR)); | |
1705 | ||
25ad93fd | 1706 | mutex_unlock(&dev_priv->fbc.lock); |
da46f936 RV |
1707 | return 0; |
1708 | } | |
1709 | ||
1710 | DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops, | |
1711 | i915_fbc_fc_get, i915_fbc_fc_set, | |
1712 | "%llu\n"); | |
1713 | ||
92d44621 PZ |
1714 | static int i915_ips_status(struct seq_file *m, void *unused) |
1715 | { | |
36cdd013 | 1716 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
92d44621 | 1717 | |
36cdd013 | 1718 | if (!HAS_IPS(dev_priv)) { |
92d44621 PZ |
1719 | seq_puts(m, "not supported\n"); |
1720 | return 0; | |
1721 | } | |
1722 | ||
36623ef8 PZ |
1723 | intel_runtime_pm_get(dev_priv); |
1724 | ||
0eaa53f0 RV |
1725 | seq_printf(m, "Enabled by kernel parameter: %s\n", |
1726 | yesno(i915.enable_ips)); | |
1727 | ||
36cdd013 | 1728 | if (INTEL_GEN(dev_priv) >= 8) { |
0eaa53f0 RV |
1729 | seq_puts(m, "Currently: unknown\n"); |
1730 | } else { | |
1731 | if (I915_READ(IPS_CTL) & IPS_ENABLE) | |
1732 | seq_puts(m, "Currently: enabled\n"); | |
1733 | else | |
1734 | seq_puts(m, "Currently: disabled\n"); | |
1735 | } | |
92d44621 | 1736 | |
36623ef8 PZ |
1737 | intel_runtime_pm_put(dev_priv); |
1738 | ||
92d44621 PZ |
1739 | return 0; |
1740 | } | |
1741 | ||
4a9bef37 JB |
1742 | static int i915_sr_status(struct seq_file *m, void *unused) |
1743 | { | |
36cdd013 | 1744 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
4a9bef37 JB |
1745 | bool sr_enabled = false; |
1746 | ||
36623ef8 | 1747 | intel_runtime_pm_get(dev_priv); |
9c870d03 | 1748 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); |
36623ef8 | 1749 | |
36cdd013 | 1750 | if (HAS_PCH_SPLIT(dev_priv)) |
5ba2aaaa | 1751 | sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; |
36cdd013 DW |
1752 | else if (IS_CRESTLINE(dev_priv) || IS_G4X(dev_priv) || |
1753 | IS_I945G(dev_priv) || IS_I945GM(dev_priv)) | |
4a9bef37 | 1754 | sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; |
36cdd013 | 1755 | else if (IS_I915GM(dev_priv)) |
4a9bef37 | 1756 | sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; |
36cdd013 | 1757 | else if (IS_PINEVIEW(dev_priv)) |
4a9bef37 | 1758 | sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; |
36cdd013 | 1759 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
77b64555 | 1760 | sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN; |
4a9bef37 | 1761 | |
9c870d03 | 1762 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); |
36623ef8 PZ |
1763 | intel_runtime_pm_put(dev_priv); |
1764 | ||
5ba2aaaa CW |
1765 | seq_printf(m, "self-refresh: %s\n", |
1766 | sr_enabled ? "enabled" : "disabled"); | |
4a9bef37 JB |
1767 | |
1768 | return 0; | |
1769 | } | |
1770 | ||
7648fa99 JB |
1771 | static int i915_emon_status(struct seq_file *m, void *unused) |
1772 | { | |
36cdd013 DW |
1773 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1774 | struct drm_device *dev = &dev_priv->drm; | |
7648fa99 | 1775 | unsigned long temp, chipset, gfx; |
de227ef0 CW |
1776 | int ret; |
1777 | ||
36cdd013 | 1778 | if (!IS_GEN5(dev_priv)) |
582be6b4 CW |
1779 | return -ENODEV; |
1780 | ||
de227ef0 CW |
1781 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1782 | if (ret) | |
1783 | return ret; | |
7648fa99 JB |
1784 | |
1785 | temp = i915_mch_val(dev_priv); | |
1786 | chipset = i915_chipset_val(dev_priv); | |
1787 | gfx = i915_gfx_val(dev_priv); | |
de227ef0 | 1788 | mutex_unlock(&dev->struct_mutex); |
7648fa99 JB |
1789 | |
1790 | seq_printf(m, "GMCH temp: %ld\n", temp); | |
1791 | seq_printf(m, "Chipset power: %ld\n", chipset); | |
1792 | seq_printf(m, "GFX power: %ld\n", gfx); | |
1793 | seq_printf(m, "Total power: %ld\n", chipset + gfx); | |
1794 | ||
1795 | return 0; | |
1796 | } | |
1797 | ||
23b2f8bb JB |
1798 | static int i915_ring_freq_table(struct seq_file *m, void *unused) |
1799 | { | |
36cdd013 | 1800 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
5bfa0199 | 1801 | int ret = 0; |
23b2f8bb | 1802 | int gpu_freq, ia_freq; |
f936ec34 | 1803 | unsigned int max_gpu_freq, min_gpu_freq; |
23b2f8bb | 1804 | |
26310346 | 1805 | if (!HAS_LLC(dev_priv)) { |
267f0c90 | 1806 | seq_puts(m, "unsupported on this chipset\n"); |
23b2f8bb JB |
1807 | return 0; |
1808 | } | |
1809 | ||
5bfa0199 PZ |
1810 | intel_runtime_pm_get(dev_priv); |
1811 | ||
4fc688ce | 1812 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
23b2f8bb | 1813 | if (ret) |
5bfa0199 | 1814 | goto out; |
23b2f8bb | 1815 | |
36cdd013 | 1816 | if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { |
f936ec34 AG |
1817 | /* Convert GT frequency to 50 HZ units */ |
1818 | min_gpu_freq = | |
1819 | dev_priv->rps.min_freq_softlimit / GEN9_FREQ_SCALER; | |
1820 | max_gpu_freq = | |
1821 | dev_priv->rps.max_freq_softlimit / GEN9_FREQ_SCALER; | |
1822 | } else { | |
1823 | min_gpu_freq = dev_priv->rps.min_freq_softlimit; | |
1824 | max_gpu_freq = dev_priv->rps.max_freq_softlimit; | |
1825 | } | |
1826 | ||
267f0c90 | 1827 | seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n"); |
23b2f8bb | 1828 | |
f936ec34 | 1829 | for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) { |
42c0526c BW |
1830 | ia_freq = gpu_freq; |
1831 | sandybridge_pcode_read(dev_priv, | |
1832 | GEN6_PCODE_READ_MIN_FREQ_TABLE, | |
1833 | &ia_freq); | |
3ebecd07 | 1834 | seq_printf(m, "%d\t\t%d\t\t\t\t%d\n", |
f936ec34 | 1835 | intel_gpu_freq(dev_priv, (gpu_freq * |
36cdd013 | 1836 | (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1837 | GEN9_FREQ_SCALER : 1))), |
3ebecd07 CW |
1838 | ((ia_freq >> 0) & 0xff) * 100, |
1839 | ((ia_freq >> 8) & 0xff) * 100); | |
23b2f8bb JB |
1840 | } |
1841 | ||
4fc688ce | 1842 | mutex_unlock(&dev_priv->rps.hw_lock); |
23b2f8bb | 1843 | |
5bfa0199 PZ |
1844 | out: |
1845 | intel_runtime_pm_put(dev_priv); | |
1846 | return ret; | |
23b2f8bb JB |
1847 | } |
1848 | ||
44834a67 CW |
1849 | static int i915_opregion(struct seq_file *m, void *unused) |
1850 | { | |
36cdd013 DW |
1851 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1852 | struct drm_device *dev = &dev_priv->drm; | |
44834a67 CW |
1853 | struct intel_opregion *opregion = &dev_priv->opregion; |
1854 | int ret; | |
1855 | ||
1856 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1857 | if (ret) | |
0d38f009 | 1858 | goto out; |
44834a67 | 1859 | |
2455a8e4 JN |
1860 | if (opregion->header) |
1861 | seq_write(m, opregion->header, OPREGION_SIZE); | |
44834a67 CW |
1862 | |
1863 | mutex_unlock(&dev->struct_mutex); | |
1864 | ||
0d38f009 | 1865 | out: |
44834a67 CW |
1866 | return 0; |
1867 | } | |
1868 | ||
ada8f955 JN |
1869 | static int i915_vbt(struct seq_file *m, void *unused) |
1870 | { | |
36cdd013 | 1871 | struct intel_opregion *opregion = &node_to_i915(m->private)->opregion; |
ada8f955 JN |
1872 | |
1873 | if (opregion->vbt) | |
1874 | seq_write(m, opregion->vbt, opregion->vbt_size); | |
1875 | ||
1876 | return 0; | |
1877 | } | |
1878 | ||
37811fcc CW |
1879 | static int i915_gem_framebuffer_info(struct seq_file *m, void *data) |
1880 | { | |
36cdd013 DW |
1881 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1882 | struct drm_device *dev = &dev_priv->drm; | |
b13b8402 | 1883 | struct intel_framebuffer *fbdev_fb = NULL; |
3a58ee10 | 1884 | struct drm_framebuffer *drm_fb; |
188c1ab7 CW |
1885 | int ret; |
1886 | ||
1887 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1888 | if (ret) | |
1889 | return ret; | |
37811fcc | 1890 | |
0695726e | 1891 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
36cdd013 DW |
1892 | if (dev_priv->fbdev) { |
1893 | fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb); | |
25bcce94 CW |
1894 | |
1895 | seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", | |
1896 | fbdev_fb->base.width, | |
1897 | fbdev_fb->base.height, | |
1898 | fbdev_fb->base.depth, | |
1899 | fbdev_fb->base.bits_per_pixel, | |
1900 | fbdev_fb->base.modifier[0], | |
1901 | drm_framebuffer_read_refcount(&fbdev_fb->base)); | |
1902 | describe_obj(m, fbdev_fb->obj); | |
1903 | seq_putc(m, '\n'); | |
1904 | } | |
4520f53a | 1905 | #endif |
37811fcc | 1906 | |
4b096ac1 | 1907 | mutex_lock(&dev->mode_config.fb_lock); |
3a58ee10 | 1908 | drm_for_each_fb(drm_fb, dev) { |
b13b8402 NS |
1909 | struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb); |
1910 | if (fb == fbdev_fb) | |
37811fcc CW |
1911 | continue; |
1912 | ||
c1ca506d | 1913 | seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", |
37811fcc CW |
1914 | fb->base.width, |
1915 | fb->base.height, | |
1916 | fb->base.depth, | |
623f9783 | 1917 | fb->base.bits_per_pixel, |
c1ca506d | 1918 | fb->base.modifier[0], |
747a598f | 1919 | drm_framebuffer_read_refcount(&fb->base)); |
05394f39 | 1920 | describe_obj(m, fb->obj); |
267f0c90 | 1921 | seq_putc(m, '\n'); |
37811fcc | 1922 | } |
4b096ac1 | 1923 | mutex_unlock(&dev->mode_config.fb_lock); |
188c1ab7 | 1924 | mutex_unlock(&dev->struct_mutex); |
37811fcc CW |
1925 | |
1926 | return 0; | |
1927 | } | |
1928 | ||
7e37f889 | 1929 | static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring) |
c9fe99bd OM |
1930 | { |
1931 | seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)", | |
7e37f889 CW |
1932 | ring->space, ring->head, ring->tail, |
1933 | ring->last_retired_head); | |
c9fe99bd OM |
1934 | } |
1935 | ||
e76d3630 BW |
1936 | static int i915_context_status(struct seq_file *m, void *unused) |
1937 | { | |
36cdd013 DW |
1938 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1939 | struct drm_device *dev = &dev_priv->drm; | |
e2f80391 | 1940 | struct intel_engine_cs *engine; |
e2efd130 | 1941 | struct i915_gem_context *ctx; |
3b3f1650 | 1942 | enum intel_engine_id id; |
c3232b18 | 1943 | int ret; |
e76d3630 | 1944 | |
f3d28878 | 1945 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
e76d3630 BW |
1946 | if (ret) |
1947 | return ret; | |
1948 | ||
a33afea5 | 1949 | list_for_each_entry(ctx, &dev_priv->context_list, link) { |
5d1808ec | 1950 | seq_printf(m, "HW context %u ", ctx->hw_id); |
c84455b4 | 1951 | if (ctx->pid) { |
d28b99ab CW |
1952 | struct task_struct *task; |
1953 | ||
c84455b4 | 1954 | task = get_pid_task(ctx->pid, PIDTYPE_PID); |
d28b99ab CW |
1955 | if (task) { |
1956 | seq_printf(m, "(%s [%d]) ", | |
1957 | task->comm, task->pid); | |
1958 | put_task_struct(task); | |
1959 | } | |
c84455b4 CW |
1960 | } else if (IS_ERR(ctx->file_priv)) { |
1961 | seq_puts(m, "(deleted) "); | |
d28b99ab CW |
1962 | } else { |
1963 | seq_puts(m, "(kernel) "); | |
1964 | } | |
1965 | ||
bca44d80 CW |
1966 | seq_putc(m, ctx->remap_slice ? 'R' : 'r'); |
1967 | seq_putc(m, '\n'); | |
c9fe99bd | 1968 | |
3b3f1650 | 1969 | for_each_engine(engine, dev_priv, id) { |
bca44d80 CW |
1970 | struct intel_context *ce = &ctx->engine[engine->id]; |
1971 | ||
1972 | seq_printf(m, "%s: ", engine->name); | |
1973 | seq_putc(m, ce->initialised ? 'I' : 'i'); | |
1974 | if (ce->state) | |
bf3783e5 | 1975 | describe_obj(m, ce->state->obj); |
dca33ecc | 1976 | if (ce->ring) |
7e37f889 | 1977 | describe_ctx_ring(m, ce->ring); |
c9fe99bd | 1978 | seq_putc(m, '\n'); |
c9fe99bd | 1979 | } |
a33afea5 | 1980 | |
a33afea5 | 1981 | seq_putc(m, '\n'); |
a168c293 BW |
1982 | } |
1983 | ||
f3d28878 | 1984 | mutex_unlock(&dev->struct_mutex); |
e76d3630 BW |
1985 | |
1986 | return 0; | |
1987 | } | |
1988 | ||
064ca1d2 | 1989 | static void i915_dump_lrc_obj(struct seq_file *m, |
e2efd130 | 1990 | struct i915_gem_context *ctx, |
0bc40be8 | 1991 | struct intel_engine_cs *engine) |
064ca1d2 | 1992 | { |
bf3783e5 | 1993 | struct i915_vma *vma = ctx->engine[engine->id].state; |
064ca1d2 | 1994 | struct page *page; |
064ca1d2 | 1995 | int j; |
064ca1d2 | 1996 | |
7069b144 CW |
1997 | seq_printf(m, "CONTEXT: %s %u\n", engine->name, ctx->hw_id); |
1998 | ||
bf3783e5 CW |
1999 | if (!vma) { |
2000 | seq_puts(m, "\tFake context\n"); | |
064ca1d2 TD |
2001 | return; |
2002 | } | |
2003 | ||
bf3783e5 CW |
2004 | if (vma->flags & I915_VMA_GLOBAL_BIND) |
2005 | seq_printf(m, "\tBound in GGTT at 0x%08x\n", | |
bde13ebd | 2006 | i915_ggtt_offset(vma)); |
064ca1d2 | 2007 | |
a4f5ea64 | 2008 | if (i915_gem_object_pin_pages(vma->obj)) { |
bf3783e5 | 2009 | seq_puts(m, "\tFailed to get pages for context object\n\n"); |
064ca1d2 TD |
2010 | return; |
2011 | } | |
2012 | ||
bf3783e5 CW |
2013 | page = i915_gem_object_get_page(vma->obj, LRC_STATE_PN); |
2014 | if (page) { | |
2015 | u32 *reg_state = kmap_atomic(page); | |
064ca1d2 TD |
2016 | |
2017 | for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) { | |
bf3783e5 CW |
2018 | seq_printf(m, |
2019 | "\t[0x%04x] 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
2020 | j * 4, | |
064ca1d2 TD |
2021 | reg_state[j], reg_state[j + 1], |
2022 | reg_state[j + 2], reg_state[j + 3]); | |
2023 | } | |
2024 | kunmap_atomic(reg_state); | |
2025 | } | |
2026 | ||
a4f5ea64 | 2027 | i915_gem_object_unpin_pages(vma->obj); |
064ca1d2 TD |
2028 | seq_putc(m, '\n'); |
2029 | } | |
2030 | ||
c0ab1ae9 BW |
2031 | static int i915_dump_lrc(struct seq_file *m, void *unused) |
2032 | { | |
36cdd013 DW |
2033 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2034 | struct drm_device *dev = &dev_priv->drm; | |
e2f80391 | 2035 | struct intel_engine_cs *engine; |
e2efd130 | 2036 | struct i915_gem_context *ctx; |
3b3f1650 | 2037 | enum intel_engine_id id; |
b4ac5afc | 2038 | int ret; |
c0ab1ae9 BW |
2039 | |
2040 | if (!i915.enable_execlists) { | |
2041 | seq_printf(m, "Logical Ring Contexts are disabled\n"); | |
2042 | return 0; | |
2043 | } | |
2044 | ||
2045 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2046 | if (ret) | |
2047 | return ret; | |
2048 | ||
e28e404c | 2049 | list_for_each_entry(ctx, &dev_priv->context_list, link) |
3b3f1650 | 2050 | for_each_engine(engine, dev_priv, id) |
24f1d3cc | 2051 | i915_dump_lrc_obj(m, ctx, engine); |
c0ab1ae9 BW |
2052 | |
2053 | mutex_unlock(&dev->struct_mutex); | |
2054 | ||
2055 | return 0; | |
2056 | } | |
2057 | ||
ea16a3cd DV |
2058 | static const char *swizzle_string(unsigned swizzle) |
2059 | { | |
aee56cff | 2060 | switch (swizzle) { |
ea16a3cd DV |
2061 | case I915_BIT_6_SWIZZLE_NONE: |
2062 | return "none"; | |
2063 | case I915_BIT_6_SWIZZLE_9: | |
2064 | return "bit9"; | |
2065 | case I915_BIT_6_SWIZZLE_9_10: | |
2066 | return "bit9/bit10"; | |
2067 | case I915_BIT_6_SWIZZLE_9_11: | |
2068 | return "bit9/bit11"; | |
2069 | case I915_BIT_6_SWIZZLE_9_10_11: | |
2070 | return "bit9/bit10/bit11"; | |
2071 | case I915_BIT_6_SWIZZLE_9_17: | |
2072 | return "bit9/bit17"; | |
2073 | case I915_BIT_6_SWIZZLE_9_10_17: | |
2074 | return "bit9/bit10/bit17"; | |
2075 | case I915_BIT_6_SWIZZLE_UNKNOWN: | |
8a168ca7 | 2076 | return "unknown"; |
ea16a3cd DV |
2077 | } |
2078 | ||
2079 | return "bug"; | |
2080 | } | |
2081 | ||
2082 | static int i915_swizzle_info(struct seq_file *m, void *data) | |
2083 | { | |
36cdd013 | 2084 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
22bcfc6a | 2085 | |
c8c8fb33 | 2086 | intel_runtime_pm_get(dev_priv); |
ea16a3cd | 2087 | |
ea16a3cd DV |
2088 | seq_printf(m, "bit6 swizzle for X-tiling = %s\n", |
2089 | swizzle_string(dev_priv->mm.bit_6_swizzle_x)); | |
2090 | seq_printf(m, "bit6 swizzle for Y-tiling = %s\n", | |
2091 | swizzle_string(dev_priv->mm.bit_6_swizzle_y)); | |
2092 | ||
36cdd013 | 2093 | if (IS_GEN3(dev_priv) || IS_GEN4(dev_priv)) { |
ea16a3cd DV |
2094 | seq_printf(m, "DDC = 0x%08x\n", |
2095 | I915_READ(DCC)); | |
656bfa3a DV |
2096 | seq_printf(m, "DDC2 = 0x%08x\n", |
2097 | I915_READ(DCC2)); | |
ea16a3cd DV |
2098 | seq_printf(m, "C0DRB3 = 0x%04x\n", |
2099 | I915_READ16(C0DRB3)); | |
2100 | seq_printf(m, "C1DRB3 = 0x%04x\n", | |
2101 | I915_READ16(C1DRB3)); | |
36cdd013 | 2102 | } else if (INTEL_GEN(dev_priv) >= 6) { |
3fa7d235 DV |
2103 | seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n", |
2104 | I915_READ(MAD_DIMM_C0)); | |
2105 | seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n", | |
2106 | I915_READ(MAD_DIMM_C1)); | |
2107 | seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n", | |
2108 | I915_READ(MAD_DIMM_C2)); | |
2109 | seq_printf(m, "TILECTL = 0x%08x\n", | |
2110 | I915_READ(TILECTL)); | |
36cdd013 | 2111 | if (INTEL_GEN(dev_priv) >= 8) |
9d3203e1 BW |
2112 | seq_printf(m, "GAMTARBMODE = 0x%08x\n", |
2113 | I915_READ(GAMTARBMODE)); | |
2114 | else | |
2115 | seq_printf(m, "ARB_MODE = 0x%08x\n", | |
2116 | I915_READ(ARB_MODE)); | |
3fa7d235 DV |
2117 | seq_printf(m, "DISP_ARB_CTL = 0x%08x\n", |
2118 | I915_READ(DISP_ARB_CTL)); | |
ea16a3cd | 2119 | } |
656bfa3a DV |
2120 | |
2121 | if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) | |
2122 | seq_puts(m, "L-shaped memory detected\n"); | |
2123 | ||
c8c8fb33 | 2124 | intel_runtime_pm_put(dev_priv); |
ea16a3cd DV |
2125 | |
2126 | return 0; | |
2127 | } | |
2128 | ||
1c60fef5 BW |
2129 | static int per_file_ctx(int id, void *ptr, void *data) |
2130 | { | |
e2efd130 | 2131 | struct i915_gem_context *ctx = ptr; |
1c60fef5 | 2132 | struct seq_file *m = data; |
ae6c4806 DV |
2133 | struct i915_hw_ppgtt *ppgtt = ctx->ppgtt; |
2134 | ||
2135 | if (!ppgtt) { | |
2136 | seq_printf(m, " no ppgtt for context %d\n", | |
2137 | ctx->user_handle); | |
2138 | return 0; | |
2139 | } | |
1c60fef5 | 2140 | |
f83d6518 OM |
2141 | if (i915_gem_context_is_default(ctx)) |
2142 | seq_puts(m, " default context:\n"); | |
2143 | else | |
821d66dd | 2144 | seq_printf(m, " context %d:\n", ctx->user_handle); |
1c60fef5 BW |
2145 | ppgtt->debug_dump(ppgtt, m); |
2146 | ||
2147 | return 0; | |
2148 | } | |
2149 | ||
36cdd013 DW |
2150 | static void gen8_ppgtt_info(struct seq_file *m, |
2151 | struct drm_i915_private *dev_priv) | |
3cf17fc5 | 2152 | { |
77df6772 | 2153 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; |
3b3f1650 AG |
2154 | struct intel_engine_cs *engine; |
2155 | enum intel_engine_id id; | |
b4ac5afc | 2156 | int i; |
3cf17fc5 | 2157 | |
77df6772 BW |
2158 | if (!ppgtt) |
2159 | return; | |
2160 | ||
3b3f1650 | 2161 | for_each_engine(engine, dev_priv, id) { |
e2f80391 | 2162 | seq_printf(m, "%s\n", engine->name); |
77df6772 | 2163 | for (i = 0; i < 4; i++) { |
e2f80391 | 2164 | u64 pdp = I915_READ(GEN8_RING_PDP_UDW(engine, i)); |
77df6772 | 2165 | pdp <<= 32; |
e2f80391 | 2166 | pdp |= I915_READ(GEN8_RING_PDP_LDW(engine, i)); |
a2a5b15c | 2167 | seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp); |
77df6772 BW |
2168 | } |
2169 | } | |
2170 | } | |
2171 | ||
36cdd013 DW |
2172 | static void gen6_ppgtt_info(struct seq_file *m, |
2173 | struct drm_i915_private *dev_priv) | |
77df6772 | 2174 | { |
e2f80391 | 2175 | struct intel_engine_cs *engine; |
3b3f1650 | 2176 | enum intel_engine_id id; |
3cf17fc5 | 2177 | |
7e22dbbb | 2178 | if (IS_GEN6(dev_priv)) |
3cf17fc5 DV |
2179 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE)); |
2180 | ||
3b3f1650 | 2181 | for_each_engine(engine, dev_priv, id) { |
e2f80391 | 2182 | seq_printf(m, "%s\n", engine->name); |
7e22dbbb | 2183 | if (IS_GEN7(dev_priv)) |
e2f80391 TU |
2184 | seq_printf(m, "GFX_MODE: 0x%08x\n", |
2185 | I915_READ(RING_MODE_GEN7(engine))); | |
2186 | seq_printf(m, "PP_DIR_BASE: 0x%08x\n", | |
2187 | I915_READ(RING_PP_DIR_BASE(engine))); | |
2188 | seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", | |
2189 | I915_READ(RING_PP_DIR_BASE_READ(engine))); | |
2190 | seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", | |
2191 | I915_READ(RING_PP_DIR_DCLV(engine))); | |
3cf17fc5 DV |
2192 | } |
2193 | if (dev_priv->mm.aliasing_ppgtt) { | |
2194 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; | |
2195 | ||
267f0c90 | 2196 | seq_puts(m, "aliasing PPGTT:\n"); |
44159ddb | 2197 | seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset); |
1c60fef5 | 2198 | |
87d60b63 | 2199 | ppgtt->debug_dump(ppgtt, m); |
ae6c4806 | 2200 | } |
1c60fef5 | 2201 | |
3cf17fc5 | 2202 | seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); |
77df6772 BW |
2203 | } |
2204 | ||
2205 | static int i915_ppgtt_info(struct seq_file *m, void *data) | |
2206 | { | |
36cdd013 DW |
2207 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2208 | struct drm_device *dev = &dev_priv->drm; | |
ea91e401 | 2209 | struct drm_file *file; |
637ee29e | 2210 | int ret; |
77df6772 | 2211 | |
637ee29e CW |
2212 | mutex_lock(&dev->filelist_mutex); |
2213 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
77df6772 | 2214 | if (ret) |
637ee29e CW |
2215 | goto out_unlock; |
2216 | ||
c8c8fb33 | 2217 | intel_runtime_pm_get(dev_priv); |
77df6772 | 2218 | |
36cdd013 DW |
2219 | if (INTEL_GEN(dev_priv) >= 8) |
2220 | gen8_ppgtt_info(m, dev_priv); | |
2221 | else if (INTEL_GEN(dev_priv) >= 6) | |
2222 | gen6_ppgtt_info(m, dev_priv); | |
77df6772 | 2223 | |
ea91e401 MT |
2224 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
2225 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
7cb5dff8 | 2226 | struct task_struct *task; |
ea91e401 | 2227 | |
7cb5dff8 | 2228 | task = get_pid_task(file->pid, PIDTYPE_PID); |
06812760 DC |
2229 | if (!task) { |
2230 | ret = -ESRCH; | |
637ee29e | 2231 | goto out_rpm; |
06812760 | 2232 | } |
7cb5dff8 GT |
2233 | seq_printf(m, "\nproc: %s\n", task->comm); |
2234 | put_task_struct(task); | |
ea91e401 MT |
2235 | idr_for_each(&file_priv->context_idr, per_file_ctx, |
2236 | (void *)(unsigned long)m); | |
2237 | } | |
2238 | ||
637ee29e | 2239 | out_rpm: |
c8c8fb33 | 2240 | intel_runtime_pm_put(dev_priv); |
3cf17fc5 | 2241 | mutex_unlock(&dev->struct_mutex); |
637ee29e CW |
2242 | out_unlock: |
2243 | mutex_unlock(&dev->filelist_mutex); | |
06812760 | 2244 | return ret; |
3cf17fc5 DV |
2245 | } |
2246 | ||
f5a4c67d CW |
2247 | static int count_irq_waiters(struct drm_i915_private *i915) |
2248 | { | |
e2f80391 | 2249 | struct intel_engine_cs *engine; |
3b3f1650 | 2250 | enum intel_engine_id id; |
f5a4c67d | 2251 | int count = 0; |
f5a4c67d | 2252 | |
3b3f1650 | 2253 | for_each_engine(engine, i915, id) |
688e6c72 | 2254 | count += intel_engine_has_waiter(engine); |
f5a4c67d CW |
2255 | |
2256 | return count; | |
2257 | } | |
2258 | ||
7466c291 CW |
2259 | static const char *rps_power_to_str(unsigned int power) |
2260 | { | |
2261 | static const char * const strings[] = { | |
2262 | [LOW_POWER] = "low power", | |
2263 | [BETWEEN] = "mixed", | |
2264 | [HIGH_POWER] = "high power", | |
2265 | }; | |
2266 | ||
2267 | if (power >= ARRAY_SIZE(strings) || !strings[power]) | |
2268 | return "unknown"; | |
2269 | ||
2270 | return strings[power]; | |
2271 | } | |
2272 | ||
1854d5ca CW |
2273 | static int i915_rps_boost_info(struct seq_file *m, void *data) |
2274 | { | |
36cdd013 DW |
2275 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2276 | struct drm_device *dev = &dev_priv->drm; | |
1854d5ca | 2277 | struct drm_file *file; |
1854d5ca | 2278 | |
f5a4c67d | 2279 | seq_printf(m, "RPS enabled? %d\n", dev_priv->rps.enabled); |
28176ef4 CW |
2280 | seq_printf(m, "GPU busy? %s [%d requests]\n", |
2281 | yesno(dev_priv->gt.awake), dev_priv->gt.active_requests); | |
f5a4c67d | 2282 | seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv)); |
7466c291 CW |
2283 | seq_printf(m, "Frequency requested %d\n", |
2284 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
2285 | seq_printf(m, " min hard:%d, soft:%d; max soft:%d, hard:%d\n", | |
f5a4c67d CW |
2286 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq), |
2287 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit), | |
2288 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit), | |
2289 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
7466c291 CW |
2290 | seq_printf(m, " idle:%d, efficient:%d, boost:%d\n", |
2291 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq), | |
2292 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq), | |
2293 | intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); | |
1d2ac403 DV |
2294 | |
2295 | mutex_lock(&dev->filelist_mutex); | |
8d3afd7d | 2296 | spin_lock(&dev_priv->rps.client_lock); |
1854d5ca CW |
2297 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
2298 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
2299 | struct task_struct *task; | |
2300 | ||
2301 | rcu_read_lock(); | |
2302 | task = pid_task(file->pid, PIDTYPE_PID); | |
2303 | seq_printf(m, "%s [%d]: %d boosts%s\n", | |
2304 | task ? task->comm : "<unknown>", | |
2305 | task ? task->pid : -1, | |
2e1b8730 CW |
2306 | file_priv->rps.boosts, |
2307 | list_empty(&file_priv->rps.link) ? "" : ", active"); | |
1854d5ca CW |
2308 | rcu_read_unlock(); |
2309 | } | |
197be2ae | 2310 | seq_printf(m, "Kernel (anonymous) boosts: %d\n", dev_priv->rps.boosts); |
8d3afd7d | 2311 | spin_unlock(&dev_priv->rps.client_lock); |
1d2ac403 | 2312 | mutex_unlock(&dev->filelist_mutex); |
1854d5ca | 2313 | |
7466c291 CW |
2314 | if (INTEL_GEN(dev_priv) >= 6 && |
2315 | dev_priv->rps.enabled && | |
28176ef4 | 2316 | dev_priv->gt.active_requests) { |
7466c291 CW |
2317 | u32 rpup, rpupei; |
2318 | u32 rpdown, rpdownei; | |
2319 | ||
2320 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); | |
2321 | rpup = I915_READ_FW(GEN6_RP_CUR_UP) & GEN6_RP_EI_MASK; | |
2322 | rpupei = I915_READ_FW(GEN6_RP_CUR_UP_EI) & GEN6_RP_EI_MASK; | |
2323 | rpdown = I915_READ_FW(GEN6_RP_CUR_DOWN) & GEN6_RP_EI_MASK; | |
2324 | rpdownei = I915_READ_FW(GEN6_RP_CUR_DOWN_EI) & GEN6_RP_EI_MASK; | |
2325 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); | |
2326 | ||
2327 | seq_printf(m, "\nRPS Autotuning (current \"%s\" window):\n", | |
2328 | rps_power_to_str(dev_priv->rps.power)); | |
2329 | seq_printf(m, " Avg. up: %d%% [above threshold? %d%%]\n", | |
2330 | 100 * rpup / rpupei, | |
2331 | dev_priv->rps.up_threshold); | |
2332 | seq_printf(m, " Avg. down: %d%% [below threshold? %d%%]\n", | |
2333 | 100 * rpdown / rpdownei, | |
2334 | dev_priv->rps.down_threshold); | |
2335 | } else { | |
2336 | seq_puts(m, "\nRPS Autotuning inactive\n"); | |
2337 | } | |
2338 | ||
8d3afd7d | 2339 | return 0; |
1854d5ca CW |
2340 | } |
2341 | ||
63573eb7 BW |
2342 | static int i915_llc(struct seq_file *m, void *data) |
2343 | { | |
36cdd013 | 2344 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3accaf7e | 2345 | const bool edram = INTEL_GEN(dev_priv) > 8; |
63573eb7 | 2346 | |
36cdd013 | 2347 | seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev_priv))); |
3accaf7e MK |
2348 | seq_printf(m, "%s: %lluMB\n", edram ? "eDRAM" : "eLLC", |
2349 | intel_uncore_edram_size(dev_priv)/1024/1024); | |
63573eb7 BW |
2350 | |
2351 | return 0; | |
2352 | } | |
2353 | ||
fdf5d357 AD |
2354 | static int i915_guc_load_status_info(struct seq_file *m, void *data) |
2355 | { | |
36cdd013 | 2356 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
fdf5d357 AD |
2357 | struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw; |
2358 | u32 tmp, i; | |
2359 | ||
2d1fe073 | 2360 | if (!HAS_GUC_UCODE(dev_priv)) |
fdf5d357 AD |
2361 | return 0; |
2362 | ||
2363 | seq_printf(m, "GuC firmware status:\n"); | |
2364 | seq_printf(m, "\tpath: %s\n", | |
2365 | guc_fw->guc_fw_path); | |
2366 | seq_printf(m, "\tfetch: %s\n", | |
2367 | intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status)); | |
2368 | seq_printf(m, "\tload: %s\n", | |
2369 | intel_guc_fw_status_repr(guc_fw->guc_fw_load_status)); | |
2370 | seq_printf(m, "\tversion wanted: %d.%d\n", | |
2371 | guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted); | |
2372 | seq_printf(m, "\tversion found: %d.%d\n", | |
2373 | guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found); | |
feda33ef AD |
2374 | seq_printf(m, "\theader: offset is %d; size = %d\n", |
2375 | guc_fw->header_offset, guc_fw->header_size); | |
2376 | seq_printf(m, "\tuCode: offset is %d; size = %d\n", | |
2377 | guc_fw->ucode_offset, guc_fw->ucode_size); | |
2378 | seq_printf(m, "\tRSA: offset is %d; size = %d\n", | |
2379 | guc_fw->rsa_offset, guc_fw->rsa_size); | |
fdf5d357 AD |
2380 | |
2381 | tmp = I915_READ(GUC_STATUS); | |
2382 | ||
2383 | seq_printf(m, "\nGuC status 0x%08x:\n", tmp); | |
2384 | seq_printf(m, "\tBootrom status = 0x%x\n", | |
2385 | (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT); | |
2386 | seq_printf(m, "\tuKernel status = 0x%x\n", | |
2387 | (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT); | |
2388 | seq_printf(m, "\tMIA Core status = 0x%x\n", | |
2389 | (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT); | |
2390 | seq_puts(m, "\nScratch registers:\n"); | |
2391 | for (i = 0; i < 16; i++) | |
2392 | seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i))); | |
2393 | ||
2394 | return 0; | |
2395 | } | |
2396 | ||
5aa1ee4b AG |
2397 | static void i915_guc_log_info(struct seq_file *m, |
2398 | struct drm_i915_private *dev_priv) | |
2399 | { | |
2400 | struct intel_guc *guc = &dev_priv->guc; | |
2401 | ||
2402 | seq_puts(m, "\nGuC logging stats:\n"); | |
2403 | ||
2404 | seq_printf(m, "\tISR: flush count %10u, overflow count %10u\n", | |
2405 | guc->log.flush_count[GUC_ISR_LOG_BUFFER], | |
2406 | guc->log.total_overflow_count[GUC_ISR_LOG_BUFFER]); | |
2407 | ||
2408 | seq_printf(m, "\tDPC: flush count %10u, overflow count %10u\n", | |
2409 | guc->log.flush_count[GUC_DPC_LOG_BUFFER], | |
2410 | guc->log.total_overflow_count[GUC_DPC_LOG_BUFFER]); | |
2411 | ||
2412 | seq_printf(m, "\tCRASH: flush count %10u, overflow count %10u\n", | |
2413 | guc->log.flush_count[GUC_CRASH_DUMP_LOG_BUFFER], | |
2414 | guc->log.total_overflow_count[GUC_CRASH_DUMP_LOG_BUFFER]); | |
2415 | ||
2416 | seq_printf(m, "\tTotal flush interrupt count: %u\n", | |
2417 | guc->log.flush_interrupt_count); | |
2418 | ||
2419 | seq_printf(m, "\tCapture miss count: %u\n", | |
2420 | guc->log.capture_miss_count); | |
2421 | } | |
2422 | ||
8b417c26 DG |
2423 | static void i915_guc_client_info(struct seq_file *m, |
2424 | struct drm_i915_private *dev_priv, | |
2425 | struct i915_guc_client *client) | |
2426 | { | |
e2f80391 | 2427 | struct intel_engine_cs *engine; |
c18468c4 | 2428 | enum intel_engine_id id; |
8b417c26 | 2429 | uint64_t tot = 0; |
8b417c26 DG |
2430 | |
2431 | seq_printf(m, "\tPriority %d, GuC ctx index: %u, PD offset 0x%x\n", | |
2432 | client->priority, client->ctx_index, client->proc_desc_offset); | |
2433 | seq_printf(m, "\tDoorbell id %d, offset: 0x%x, cookie 0x%x\n", | |
2434 | client->doorbell_id, client->doorbell_offset, client->cookie); | |
2435 | seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n", | |
2436 | client->wq_size, client->wq_offset, client->wq_tail); | |
2437 | ||
551aaecd | 2438 | seq_printf(m, "\tWork queue full: %u\n", client->no_wq_space); |
8b417c26 DG |
2439 | seq_printf(m, "\tFailed doorbell: %u\n", client->b_fail); |
2440 | seq_printf(m, "\tLast submission result: %d\n", client->retcode); | |
2441 | ||
3b3f1650 | 2442 | for_each_engine(engine, dev_priv, id) { |
c18468c4 DG |
2443 | u64 submissions = client->submissions[id]; |
2444 | tot += submissions; | |
8b417c26 | 2445 | seq_printf(m, "\tSubmissions: %llu %s\n", |
c18468c4 | 2446 | submissions, engine->name); |
8b417c26 DG |
2447 | } |
2448 | seq_printf(m, "\tTotal: %llu\n", tot); | |
2449 | } | |
2450 | ||
2451 | static int i915_guc_info(struct seq_file *m, void *data) | |
2452 | { | |
36cdd013 DW |
2453 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2454 | struct drm_device *dev = &dev_priv->drm; | |
8b417c26 | 2455 | struct intel_guc guc; |
0a0b457f | 2456 | struct i915_guc_client client = {}; |
e2f80391 | 2457 | struct intel_engine_cs *engine; |
c18468c4 | 2458 | enum intel_engine_id id; |
8b417c26 DG |
2459 | u64 total = 0; |
2460 | ||
2d1fe073 | 2461 | if (!HAS_GUC_SCHED(dev_priv)) |
8b417c26 DG |
2462 | return 0; |
2463 | ||
5a843307 AD |
2464 | if (mutex_lock_interruptible(&dev->struct_mutex)) |
2465 | return 0; | |
2466 | ||
8b417c26 | 2467 | /* Take a local copy of the GuC data, so we can dump it at leisure */ |
8b417c26 | 2468 | guc = dev_priv->guc; |
5a843307 | 2469 | if (guc.execbuf_client) |
8b417c26 | 2470 | client = *guc.execbuf_client; |
5a843307 AD |
2471 | |
2472 | mutex_unlock(&dev->struct_mutex); | |
8b417c26 | 2473 | |
9636f6db DG |
2474 | seq_printf(m, "Doorbell map:\n"); |
2475 | seq_printf(m, "\t%*pb\n", GUC_MAX_DOORBELLS, guc.doorbell_bitmap); | |
2476 | seq_printf(m, "Doorbell next cacheline: 0x%x\n\n", guc.db_cacheline); | |
2477 | ||
8b417c26 DG |
2478 | seq_printf(m, "GuC total action count: %llu\n", guc.action_count); |
2479 | seq_printf(m, "GuC action failure count: %u\n", guc.action_fail); | |
2480 | seq_printf(m, "GuC last action command: 0x%x\n", guc.action_cmd); | |
2481 | seq_printf(m, "GuC last action status: 0x%x\n", guc.action_status); | |
2482 | seq_printf(m, "GuC last action error code: %d\n", guc.action_err); | |
2483 | ||
2484 | seq_printf(m, "\nGuC submissions:\n"); | |
3b3f1650 | 2485 | for_each_engine(engine, dev_priv, id) { |
c18468c4 DG |
2486 | u64 submissions = guc.submissions[id]; |
2487 | total += submissions; | |
397097b0 | 2488 | seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x\n", |
c18468c4 | 2489 | engine->name, submissions, guc.last_seqno[id]); |
8b417c26 DG |
2490 | } |
2491 | seq_printf(m, "\t%s: %llu\n", "Total", total); | |
2492 | ||
2493 | seq_printf(m, "\nGuC execbuf client @ %p:\n", guc.execbuf_client); | |
2494 | i915_guc_client_info(m, dev_priv, &client); | |
2495 | ||
5aa1ee4b AG |
2496 | i915_guc_log_info(m, dev_priv); |
2497 | ||
8b417c26 DG |
2498 | /* Add more as required ... */ |
2499 | ||
2500 | return 0; | |
2501 | } | |
2502 | ||
4c7e77fc AD |
2503 | static int i915_guc_log_dump(struct seq_file *m, void *data) |
2504 | { | |
36cdd013 | 2505 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
8b797af1 | 2506 | struct drm_i915_gem_object *obj; |
4c7e77fc AD |
2507 | int i = 0, pg; |
2508 | ||
d6b40b4b | 2509 | if (!dev_priv->guc.log.vma) |
4c7e77fc AD |
2510 | return 0; |
2511 | ||
d6b40b4b | 2512 | obj = dev_priv->guc.log.vma->obj; |
8b797af1 CW |
2513 | for (pg = 0; pg < obj->base.size / PAGE_SIZE; pg++) { |
2514 | u32 *log = kmap_atomic(i915_gem_object_get_page(obj, pg)); | |
4c7e77fc AD |
2515 | |
2516 | for (i = 0; i < PAGE_SIZE / sizeof(u32); i += 4) | |
2517 | seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n", | |
2518 | *(log + i), *(log + i + 1), | |
2519 | *(log + i + 2), *(log + i + 3)); | |
2520 | ||
2521 | kunmap_atomic(log); | |
2522 | } | |
2523 | ||
2524 | seq_putc(m, '\n'); | |
2525 | ||
2526 | return 0; | |
2527 | } | |
2528 | ||
685534ef SAK |
2529 | static int i915_guc_log_control_get(void *data, u64 *val) |
2530 | { | |
2531 | struct drm_device *dev = data; | |
2532 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2533 | ||
2534 | if (!dev_priv->guc.log.vma) | |
2535 | return -EINVAL; | |
2536 | ||
2537 | *val = i915.guc_log_level; | |
2538 | ||
2539 | return 0; | |
2540 | } | |
2541 | ||
2542 | static int i915_guc_log_control_set(void *data, u64 val) | |
2543 | { | |
2544 | struct drm_device *dev = data; | |
2545 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2546 | int ret; | |
2547 | ||
2548 | if (!dev_priv->guc.log.vma) | |
2549 | return -EINVAL; | |
2550 | ||
2551 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2552 | if (ret) | |
2553 | return ret; | |
2554 | ||
2555 | intel_runtime_pm_get(dev_priv); | |
2556 | ret = i915_guc_log_control(dev_priv, val); | |
2557 | intel_runtime_pm_put(dev_priv); | |
2558 | ||
2559 | mutex_unlock(&dev->struct_mutex); | |
2560 | return ret; | |
2561 | } | |
2562 | ||
2563 | DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_control_fops, | |
2564 | i915_guc_log_control_get, i915_guc_log_control_set, | |
2565 | "%lld\n"); | |
2566 | ||
e91fd8c6 RV |
2567 | static int i915_edp_psr_status(struct seq_file *m, void *data) |
2568 | { | |
36cdd013 | 2569 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
a031d709 | 2570 | u32 psrperf = 0; |
a6cbdb8e RV |
2571 | u32 stat[3]; |
2572 | enum pipe pipe; | |
a031d709 | 2573 | bool enabled = false; |
e91fd8c6 | 2574 | |
36cdd013 | 2575 | if (!HAS_PSR(dev_priv)) { |
3553a8ea DL |
2576 | seq_puts(m, "PSR not supported\n"); |
2577 | return 0; | |
2578 | } | |
2579 | ||
c8c8fb33 PZ |
2580 | intel_runtime_pm_get(dev_priv); |
2581 | ||
fa128fa6 | 2582 | mutex_lock(&dev_priv->psr.lock); |
a031d709 RV |
2583 | seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); |
2584 | seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); | |
2807cf69 | 2585 | seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); |
5755c78f | 2586 | seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); |
fa128fa6 DV |
2587 | seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", |
2588 | dev_priv->psr.busy_frontbuffer_bits); | |
2589 | seq_printf(m, "Re-enable work scheduled: %s\n", | |
2590 | yesno(work_busy(&dev_priv->psr.work.work))); | |
e91fd8c6 | 2591 | |
36cdd013 | 2592 | if (HAS_DDI(dev_priv)) |
443a389f | 2593 | enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; |
3553a8ea DL |
2594 | else { |
2595 | for_each_pipe(dev_priv, pipe) { | |
9c870d03 CW |
2596 | enum transcoder cpu_transcoder = |
2597 | intel_pipe_to_cpu_transcoder(dev_priv, pipe); | |
2598 | enum intel_display_power_domain power_domain; | |
2599 | ||
2600 | power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); | |
2601 | if (!intel_display_power_get_if_enabled(dev_priv, | |
2602 | power_domain)) | |
2603 | continue; | |
2604 | ||
3553a8ea DL |
2605 | stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) & |
2606 | VLV_EDP_PSR_CURR_STATE_MASK; | |
2607 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2608 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2609 | enabled = true; | |
9c870d03 CW |
2610 | |
2611 | intel_display_power_put(dev_priv, power_domain); | |
a6cbdb8e RV |
2612 | } |
2613 | } | |
60e5ffe3 RV |
2614 | |
2615 | seq_printf(m, "Main link in standby mode: %s\n", | |
2616 | yesno(dev_priv->psr.link_standby)); | |
2617 | ||
a6cbdb8e RV |
2618 | seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled)); |
2619 | ||
36cdd013 | 2620 | if (!HAS_DDI(dev_priv)) |
a6cbdb8e RV |
2621 | for_each_pipe(dev_priv, pipe) { |
2622 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2623 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2624 | seq_printf(m, " pipe %c", pipe_name(pipe)); | |
2625 | } | |
2626 | seq_puts(m, "\n"); | |
e91fd8c6 | 2627 | |
05eec3c2 RV |
2628 | /* |
2629 | * VLV/CHV PSR has no kind of performance counter | |
2630 | * SKL+ Perf counter is reset to 0 everytime DC state is entered | |
2631 | */ | |
36cdd013 | 2632 | if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { |
443a389f | 2633 | psrperf = I915_READ(EDP_PSR_PERF_CNT) & |
a031d709 | 2634 | EDP_PSR_PERF_CNT_MASK; |
a6cbdb8e RV |
2635 | |
2636 | seq_printf(m, "Performance_Counter: %u\n", psrperf); | |
2637 | } | |
fa128fa6 | 2638 | mutex_unlock(&dev_priv->psr.lock); |
e91fd8c6 | 2639 | |
c8c8fb33 | 2640 | intel_runtime_pm_put(dev_priv); |
e91fd8c6 RV |
2641 | return 0; |
2642 | } | |
2643 | ||
d2e216d0 RV |
2644 | static int i915_sink_crc(struct seq_file *m, void *data) |
2645 | { | |
36cdd013 DW |
2646 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2647 | struct drm_device *dev = &dev_priv->drm; | |
d2e216d0 RV |
2648 | struct intel_connector *connector; |
2649 | struct intel_dp *intel_dp = NULL; | |
2650 | int ret; | |
2651 | u8 crc[6]; | |
2652 | ||
2653 | drm_modeset_lock_all(dev); | |
aca5e361 | 2654 | for_each_intel_connector(dev, connector) { |
26c17cf6 | 2655 | struct drm_crtc *crtc; |
d2e216d0 | 2656 | |
26c17cf6 | 2657 | if (!connector->base.state->best_encoder) |
d2e216d0 RV |
2658 | continue; |
2659 | ||
26c17cf6 ML |
2660 | crtc = connector->base.state->crtc; |
2661 | if (!crtc->state->active) | |
b6ae3c7c PZ |
2662 | continue; |
2663 | ||
26c17cf6 | 2664 | if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP) |
d2e216d0 RV |
2665 | continue; |
2666 | ||
26c17cf6 | 2667 | intel_dp = enc_to_intel_dp(connector->base.state->best_encoder); |
d2e216d0 RV |
2668 | |
2669 | ret = intel_dp_sink_crc(intel_dp, crc); | |
2670 | if (ret) | |
2671 | goto out; | |
2672 | ||
2673 | seq_printf(m, "%02x%02x%02x%02x%02x%02x\n", | |
2674 | crc[0], crc[1], crc[2], | |
2675 | crc[3], crc[4], crc[5]); | |
2676 | goto out; | |
2677 | } | |
2678 | ret = -ENODEV; | |
2679 | out: | |
2680 | drm_modeset_unlock_all(dev); | |
2681 | return ret; | |
2682 | } | |
2683 | ||
ec013e7f JB |
2684 | static int i915_energy_uJ(struct seq_file *m, void *data) |
2685 | { | |
36cdd013 | 2686 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
ec013e7f JB |
2687 | u64 power; |
2688 | u32 units; | |
2689 | ||
36cdd013 | 2690 | if (INTEL_GEN(dev_priv) < 6) |
ec013e7f JB |
2691 | return -ENODEV; |
2692 | ||
36623ef8 PZ |
2693 | intel_runtime_pm_get(dev_priv); |
2694 | ||
ec013e7f JB |
2695 | rdmsrl(MSR_RAPL_POWER_UNIT, power); |
2696 | power = (power & 0x1f00) >> 8; | |
2697 | units = 1000000 / (1 << power); /* convert to uJ */ | |
2698 | power = I915_READ(MCH_SECP_NRG_STTS); | |
2699 | power *= units; | |
2700 | ||
36623ef8 PZ |
2701 | intel_runtime_pm_put(dev_priv); |
2702 | ||
ec013e7f | 2703 | seq_printf(m, "%llu", (long long unsigned)power); |
371db66a PZ |
2704 | |
2705 | return 0; | |
2706 | } | |
2707 | ||
6455c870 | 2708 | static int i915_runtime_pm_status(struct seq_file *m, void *unused) |
371db66a | 2709 | { |
36cdd013 | 2710 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
52a05c30 | 2711 | struct pci_dev *pdev = dev_priv->drm.pdev; |
371db66a | 2712 | |
a156e64d CW |
2713 | if (!HAS_RUNTIME_PM(dev_priv)) |
2714 | seq_puts(m, "Runtime power management not supported\n"); | |
371db66a | 2715 | |
67d97da3 | 2716 | seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->gt.awake)); |
371db66a | 2717 | seq_printf(m, "IRQs disabled: %s\n", |
9df7575f | 2718 | yesno(!intel_irqs_enabled(dev_priv))); |
0d804184 | 2719 | #ifdef CONFIG_PM |
a6aaec8b | 2720 | seq_printf(m, "Usage count: %d\n", |
36cdd013 | 2721 | atomic_read(&dev_priv->drm.dev->power.usage_count)); |
0d804184 CW |
2722 | #else |
2723 | seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n"); | |
2724 | #endif | |
a156e64d | 2725 | seq_printf(m, "PCI device power state: %s [%d]\n", |
52a05c30 DW |
2726 | pci_power_name(pdev->current_state), |
2727 | pdev->current_state); | |
371db66a | 2728 | |
ec013e7f JB |
2729 | return 0; |
2730 | } | |
2731 | ||
1da51581 ID |
2732 | static int i915_power_domain_info(struct seq_file *m, void *unused) |
2733 | { | |
36cdd013 | 2734 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1da51581 ID |
2735 | struct i915_power_domains *power_domains = &dev_priv->power_domains; |
2736 | int i; | |
2737 | ||
2738 | mutex_lock(&power_domains->lock); | |
2739 | ||
2740 | seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count"); | |
2741 | for (i = 0; i < power_domains->power_well_count; i++) { | |
2742 | struct i915_power_well *power_well; | |
2743 | enum intel_display_power_domain power_domain; | |
2744 | ||
2745 | power_well = &power_domains->power_wells[i]; | |
2746 | seq_printf(m, "%-25s %d\n", power_well->name, | |
2747 | power_well->count); | |
2748 | ||
2749 | for (power_domain = 0; power_domain < POWER_DOMAIN_NUM; | |
2750 | power_domain++) { | |
2751 | if (!(BIT(power_domain) & power_well->domains)) | |
2752 | continue; | |
2753 | ||
2754 | seq_printf(m, " %-23s %d\n", | |
9895ad03 | 2755 | intel_display_power_domain_str(power_domain), |
1da51581 ID |
2756 | power_domains->domain_use_count[power_domain]); |
2757 | } | |
2758 | } | |
2759 | ||
2760 | mutex_unlock(&power_domains->lock); | |
2761 | ||
2762 | return 0; | |
2763 | } | |
2764 | ||
b7cec66d DL |
2765 | static int i915_dmc_info(struct seq_file *m, void *unused) |
2766 | { | |
36cdd013 | 2767 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
b7cec66d DL |
2768 | struct intel_csr *csr; |
2769 | ||
36cdd013 | 2770 | if (!HAS_CSR(dev_priv)) { |
b7cec66d DL |
2771 | seq_puts(m, "not supported\n"); |
2772 | return 0; | |
2773 | } | |
2774 | ||
2775 | csr = &dev_priv->csr; | |
2776 | ||
6fb403de MK |
2777 | intel_runtime_pm_get(dev_priv); |
2778 | ||
b7cec66d DL |
2779 | seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL)); |
2780 | seq_printf(m, "path: %s\n", csr->fw_path); | |
2781 | ||
2782 | if (!csr->dmc_payload) | |
6fb403de | 2783 | goto out; |
b7cec66d DL |
2784 | |
2785 | seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version), | |
2786 | CSR_VERSION_MINOR(csr->version)); | |
2787 | ||
36cdd013 | 2788 | if (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6)) { |
8337206d DL |
2789 | seq_printf(m, "DC3 -> DC5 count: %d\n", |
2790 | I915_READ(SKL_CSR_DC3_DC5_COUNT)); | |
2791 | seq_printf(m, "DC5 -> DC6 count: %d\n", | |
2792 | I915_READ(SKL_CSR_DC5_DC6_COUNT)); | |
36cdd013 | 2793 | } else if (IS_BROXTON(dev_priv) && csr->version >= CSR_VERSION(1, 4)) { |
16e11b99 MK |
2794 | seq_printf(m, "DC3 -> DC5 count: %d\n", |
2795 | I915_READ(BXT_CSR_DC3_DC5_COUNT)); | |
8337206d DL |
2796 | } |
2797 | ||
6fb403de MK |
2798 | out: |
2799 | seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0))); | |
2800 | seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE)); | |
2801 | seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL)); | |
2802 | ||
8337206d DL |
2803 | intel_runtime_pm_put(dev_priv); |
2804 | ||
b7cec66d DL |
2805 | return 0; |
2806 | } | |
2807 | ||
53f5e3ca JB |
2808 | static void intel_seq_print_mode(struct seq_file *m, int tabs, |
2809 | struct drm_display_mode *mode) | |
2810 | { | |
2811 | int i; | |
2812 | ||
2813 | for (i = 0; i < tabs; i++) | |
2814 | seq_putc(m, '\t'); | |
2815 | ||
2816 | 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", | |
2817 | mode->base.id, mode->name, | |
2818 | mode->vrefresh, mode->clock, | |
2819 | mode->hdisplay, mode->hsync_start, | |
2820 | mode->hsync_end, mode->htotal, | |
2821 | mode->vdisplay, mode->vsync_start, | |
2822 | mode->vsync_end, mode->vtotal, | |
2823 | mode->type, mode->flags); | |
2824 | } | |
2825 | ||
2826 | static void intel_encoder_info(struct seq_file *m, | |
2827 | struct intel_crtc *intel_crtc, | |
2828 | struct intel_encoder *intel_encoder) | |
2829 | { | |
36cdd013 DW |
2830 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2831 | struct drm_device *dev = &dev_priv->drm; | |
53f5e3ca JB |
2832 | struct drm_crtc *crtc = &intel_crtc->base; |
2833 | struct intel_connector *intel_connector; | |
2834 | struct drm_encoder *encoder; | |
2835 | ||
2836 | encoder = &intel_encoder->base; | |
2837 | seq_printf(m, "\tencoder %d: type: %s, connectors:\n", | |
8e329a03 | 2838 | encoder->base.id, encoder->name); |
53f5e3ca JB |
2839 | for_each_connector_on_encoder(dev, encoder, intel_connector) { |
2840 | struct drm_connector *connector = &intel_connector->base; | |
2841 | seq_printf(m, "\t\tconnector %d: type: %s, status: %s", | |
2842 | connector->base.id, | |
c23cc417 | 2843 | connector->name, |
53f5e3ca JB |
2844 | drm_get_connector_status_name(connector->status)); |
2845 | if (connector->status == connector_status_connected) { | |
2846 | struct drm_display_mode *mode = &crtc->mode; | |
2847 | seq_printf(m, ", mode:\n"); | |
2848 | intel_seq_print_mode(m, 2, mode); | |
2849 | } else { | |
2850 | seq_putc(m, '\n'); | |
2851 | } | |
2852 | } | |
2853 | } | |
2854 | ||
2855 | static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
2856 | { | |
36cdd013 DW |
2857 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2858 | struct drm_device *dev = &dev_priv->drm; | |
53f5e3ca JB |
2859 | struct drm_crtc *crtc = &intel_crtc->base; |
2860 | struct intel_encoder *intel_encoder; | |
23a48d53 ML |
2861 | struct drm_plane_state *plane_state = crtc->primary->state; |
2862 | struct drm_framebuffer *fb = plane_state->fb; | |
53f5e3ca | 2863 | |
23a48d53 | 2864 | if (fb) |
5aa8a937 | 2865 | seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n", |
23a48d53 ML |
2866 | fb->base.id, plane_state->src_x >> 16, |
2867 | plane_state->src_y >> 16, fb->width, fb->height); | |
5aa8a937 MR |
2868 | else |
2869 | seq_puts(m, "\tprimary plane disabled\n"); | |
53f5e3ca JB |
2870 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
2871 | intel_encoder_info(m, intel_crtc, intel_encoder); | |
2872 | } | |
2873 | ||
2874 | static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) | |
2875 | { | |
2876 | struct drm_display_mode *mode = panel->fixed_mode; | |
2877 | ||
2878 | seq_printf(m, "\tfixed mode:\n"); | |
2879 | intel_seq_print_mode(m, 2, mode); | |
2880 | } | |
2881 | ||
2882 | static void intel_dp_info(struct seq_file *m, | |
2883 | struct intel_connector *intel_connector) | |
2884 | { | |
2885 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2886 | struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); | |
2887 | ||
2888 | seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]); | |
742f491d | 2889 | seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio)); |
b6dabe3b | 2890 | if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) |
53f5e3ca | 2891 | intel_panel_info(m, &intel_connector->panel); |
80209e5f MK |
2892 | |
2893 | drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports, | |
2894 | &intel_dp->aux); | |
53f5e3ca JB |
2895 | } |
2896 | ||
2897 | static void intel_hdmi_info(struct seq_file *m, | |
2898 | struct intel_connector *intel_connector) | |
2899 | { | |
2900 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2901 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); | |
2902 | ||
742f491d | 2903 | seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio)); |
53f5e3ca JB |
2904 | } |
2905 | ||
2906 | static void intel_lvds_info(struct seq_file *m, | |
2907 | struct intel_connector *intel_connector) | |
2908 | { | |
2909 | intel_panel_info(m, &intel_connector->panel); | |
2910 | } | |
2911 | ||
2912 | static void intel_connector_info(struct seq_file *m, | |
2913 | struct drm_connector *connector) | |
2914 | { | |
2915 | struct intel_connector *intel_connector = to_intel_connector(connector); | |
2916 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
f103fc7d | 2917 | struct drm_display_mode *mode; |
53f5e3ca JB |
2918 | |
2919 | seq_printf(m, "connector %d: type %s, status: %s\n", | |
c23cc417 | 2920 | connector->base.id, connector->name, |
53f5e3ca JB |
2921 | drm_get_connector_status_name(connector->status)); |
2922 | if (connector->status == connector_status_connected) { | |
2923 | seq_printf(m, "\tname: %s\n", connector->display_info.name); | |
2924 | seq_printf(m, "\tphysical dimensions: %dx%dmm\n", | |
2925 | connector->display_info.width_mm, | |
2926 | connector->display_info.height_mm); | |
2927 | seq_printf(m, "\tsubpixel order: %s\n", | |
2928 | drm_get_subpixel_order_name(connector->display_info.subpixel_order)); | |
2929 | seq_printf(m, "\tCEA rev: %d\n", | |
2930 | connector->display_info.cea_rev); | |
2931 | } | |
ee648a74 ML |
2932 | |
2933 | if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST) | |
2934 | return; | |
2935 | ||
2936 | switch (connector->connector_type) { | |
2937 | case DRM_MODE_CONNECTOR_DisplayPort: | |
2938 | case DRM_MODE_CONNECTOR_eDP: | |
be754b10 | 2939 | intel_dp_info(m, intel_connector); |
ee648a74 ML |
2940 | break; |
2941 | case DRM_MODE_CONNECTOR_LVDS: | |
2942 | if (intel_encoder->type == INTEL_OUTPUT_LVDS) | |
36cd7444 | 2943 | intel_lvds_info(m, intel_connector); |
ee648a74 ML |
2944 | break; |
2945 | case DRM_MODE_CONNECTOR_HDMIA: | |
2946 | if (intel_encoder->type == INTEL_OUTPUT_HDMI || | |
2947 | intel_encoder->type == INTEL_OUTPUT_UNKNOWN) | |
2948 | intel_hdmi_info(m, intel_connector); | |
2949 | break; | |
2950 | default: | |
2951 | break; | |
36cd7444 | 2952 | } |
53f5e3ca | 2953 | |
f103fc7d JB |
2954 | seq_printf(m, "\tmodes:\n"); |
2955 | list_for_each_entry(mode, &connector->modes, head) | |
2956 | intel_seq_print_mode(m, 2, mode); | |
53f5e3ca JB |
2957 | } |
2958 | ||
36cdd013 | 2959 | static bool cursor_active(struct drm_i915_private *dev_priv, int pipe) |
065f2ec2 | 2960 | { |
065f2ec2 CW |
2961 | u32 state; |
2962 | ||
36cdd013 | 2963 | if (IS_845G(dev_priv) || IS_I865G(dev_priv)) |
0b87c24e | 2964 | state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE; |
065f2ec2 | 2965 | else |
5efb3e28 | 2966 | state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
065f2ec2 CW |
2967 | |
2968 | return state; | |
2969 | } | |
2970 | ||
36cdd013 DW |
2971 | static bool cursor_position(struct drm_i915_private *dev_priv, |
2972 | int pipe, int *x, int *y) | |
065f2ec2 | 2973 | { |
065f2ec2 CW |
2974 | u32 pos; |
2975 | ||
5efb3e28 | 2976 | pos = I915_READ(CURPOS(pipe)); |
065f2ec2 CW |
2977 | |
2978 | *x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK; | |
2979 | if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT)) | |
2980 | *x = -*x; | |
2981 | ||
2982 | *y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK; | |
2983 | if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT)) | |
2984 | *y = -*y; | |
2985 | ||
36cdd013 | 2986 | return cursor_active(dev_priv, pipe); |
065f2ec2 CW |
2987 | } |
2988 | ||
3abc4e09 RF |
2989 | static const char *plane_type(enum drm_plane_type type) |
2990 | { | |
2991 | switch (type) { | |
2992 | case DRM_PLANE_TYPE_OVERLAY: | |
2993 | return "OVL"; | |
2994 | case DRM_PLANE_TYPE_PRIMARY: | |
2995 | return "PRI"; | |
2996 | case DRM_PLANE_TYPE_CURSOR: | |
2997 | return "CUR"; | |
2998 | /* | |
2999 | * Deliberately omitting default: to generate compiler warnings | |
3000 | * when a new drm_plane_type gets added. | |
3001 | */ | |
3002 | } | |
3003 | ||
3004 | return "unknown"; | |
3005 | } | |
3006 | ||
3007 | static const char *plane_rotation(unsigned int rotation) | |
3008 | { | |
3009 | static char buf[48]; | |
3010 | /* | |
3011 | * According to doc only one DRM_ROTATE_ is allowed but this | |
3012 | * will print them all to visualize if the values are misused | |
3013 | */ | |
3014 | snprintf(buf, sizeof(buf), | |
3015 | "%s%s%s%s%s%s(0x%08x)", | |
31ad61e4 JL |
3016 | (rotation & DRM_ROTATE_0) ? "0 " : "", |
3017 | (rotation & DRM_ROTATE_90) ? "90 " : "", | |
3018 | (rotation & DRM_ROTATE_180) ? "180 " : "", | |
3019 | (rotation & DRM_ROTATE_270) ? "270 " : "", | |
3020 | (rotation & DRM_REFLECT_X) ? "FLIPX " : "", | |
3021 | (rotation & DRM_REFLECT_Y) ? "FLIPY " : "", | |
3abc4e09 RF |
3022 | rotation); |
3023 | ||
3024 | return buf; | |
3025 | } | |
3026 | ||
3027 | static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
3028 | { | |
36cdd013 DW |
3029 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3030 | struct drm_device *dev = &dev_priv->drm; | |
3abc4e09 RF |
3031 | struct intel_plane *intel_plane; |
3032 | ||
3033 | for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { | |
3034 | struct drm_plane_state *state; | |
3035 | struct drm_plane *plane = &intel_plane->base; | |
d3828147 | 3036 | char *format_name; |
3abc4e09 RF |
3037 | |
3038 | if (!plane->state) { | |
3039 | seq_puts(m, "plane->state is NULL!\n"); | |
3040 | continue; | |
3041 | } | |
3042 | ||
3043 | state = plane->state; | |
3044 | ||
90844f00 EE |
3045 | if (state->fb) { |
3046 | format_name = drm_get_format_name(state->fb->pixel_format); | |
3047 | } else { | |
3048 | format_name = kstrdup("N/A", GFP_KERNEL); | |
3049 | } | |
3050 | ||
3abc4e09 RF |
3051 | 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", |
3052 | plane->base.id, | |
3053 | plane_type(intel_plane->base.type), | |
3054 | state->crtc_x, state->crtc_y, | |
3055 | state->crtc_w, state->crtc_h, | |
3056 | (state->src_x >> 16), | |
3057 | ((state->src_x & 0xffff) * 15625) >> 10, | |
3058 | (state->src_y >> 16), | |
3059 | ((state->src_y & 0xffff) * 15625) >> 10, | |
3060 | (state->src_w >> 16), | |
3061 | ((state->src_w & 0xffff) * 15625) >> 10, | |
3062 | (state->src_h >> 16), | |
3063 | ((state->src_h & 0xffff) * 15625) >> 10, | |
90844f00 | 3064 | format_name, |
3abc4e09 | 3065 | plane_rotation(state->rotation)); |
90844f00 EE |
3066 | |
3067 | kfree(format_name); | |
3abc4e09 RF |
3068 | } |
3069 | } | |
3070 | ||
3071 | static void intel_scaler_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
3072 | { | |
3073 | struct intel_crtc_state *pipe_config; | |
3074 | int num_scalers = intel_crtc->num_scalers; | |
3075 | int i; | |
3076 | ||
3077 | pipe_config = to_intel_crtc_state(intel_crtc->base.state); | |
3078 | ||
3079 | /* Not all platformas have a scaler */ | |
3080 | if (num_scalers) { | |
3081 | seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d", | |
3082 | num_scalers, | |
3083 | pipe_config->scaler_state.scaler_users, | |
3084 | pipe_config->scaler_state.scaler_id); | |
3085 | ||
3086 | for (i = 0; i < SKL_NUM_SCALERS; i++) { | |
3087 | struct intel_scaler *sc = | |
3088 | &pipe_config->scaler_state.scalers[i]; | |
3089 | ||
3090 | seq_printf(m, ", scalers[%d]: use=%s, mode=%x", | |
3091 | i, yesno(sc->in_use), sc->mode); | |
3092 | } | |
3093 | seq_puts(m, "\n"); | |
3094 | } else { | |
3095 | seq_puts(m, "\tNo scalers available on this platform\n"); | |
3096 | } | |
3097 | } | |
3098 | ||
53f5e3ca JB |
3099 | static int i915_display_info(struct seq_file *m, void *unused) |
3100 | { | |
36cdd013 DW |
3101 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3102 | struct drm_device *dev = &dev_priv->drm; | |
065f2ec2 | 3103 | struct intel_crtc *crtc; |
53f5e3ca JB |
3104 | struct drm_connector *connector; |
3105 | ||
b0e5ddf3 | 3106 | intel_runtime_pm_get(dev_priv); |
53f5e3ca JB |
3107 | drm_modeset_lock_all(dev); |
3108 | seq_printf(m, "CRTC info\n"); | |
3109 | seq_printf(m, "---------\n"); | |
d3fcc808 | 3110 | for_each_intel_crtc(dev, crtc) { |
065f2ec2 | 3111 | bool active; |
f77076c9 | 3112 | struct intel_crtc_state *pipe_config; |
065f2ec2 | 3113 | int x, y; |
53f5e3ca | 3114 | |
f77076c9 ML |
3115 | pipe_config = to_intel_crtc_state(crtc->base.state); |
3116 | ||
3abc4e09 | 3117 | seq_printf(m, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n", |
065f2ec2 | 3118 | crtc->base.base.id, pipe_name(crtc->pipe), |
f77076c9 | 3119 | yesno(pipe_config->base.active), |
3abc4e09 RF |
3120 | pipe_config->pipe_src_w, pipe_config->pipe_src_h, |
3121 | yesno(pipe_config->dither), pipe_config->pipe_bpp); | |
3122 | ||
f77076c9 | 3123 | if (pipe_config->base.active) { |
065f2ec2 CW |
3124 | intel_crtc_info(m, crtc); |
3125 | ||
36cdd013 | 3126 | active = cursor_position(dev_priv, crtc->pipe, &x, &y); |
57127efa | 3127 | seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n", |
4b0e333e | 3128 | yesno(crtc->cursor_base), |
3dd512fb MR |
3129 | x, y, crtc->base.cursor->state->crtc_w, |
3130 | crtc->base.cursor->state->crtc_h, | |
57127efa | 3131 | crtc->cursor_addr, yesno(active)); |
3abc4e09 RF |
3132 | intel_scaler_info(m, crtc); |
3133 | intel_plane_info(m, crtc); | |
a23dc658 | 3134 | } |
cace841c DV |
3135 | |
3136 | seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n", | |
3137 | yesno(!crtc->cpu_fifo_underrun_disabled), | |
3138 | yesno(!crtc->pch_fifo_underrun_disabled)); | |
53f5e3ca JB |
3139 | } |
3140 | ||
3141 | seq_printf(m, "\n"); | |
3142 | seq_printf(m, "Connector info\n"); | |
3143 | seq_printf(m, "--------------\n"); | |
3144 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
3145 | intel_connector_info(m, connector); | |
3146 | } | |
3147 | drm_modeset_unlock_all(dev); | |
b0e5ddf3 | 3148 | intel_runtime_pm_put(dev_priv); |
53f5e3ca JB |
3149 | |
3150 | return 0; | |
3151 | } | |
3152 | ||
1b36595f CW |
3153 | static int i915_engine_info(struct seq_file *m, void *unused) |
3154 | { | |
3155 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3156 | struct intel_engine_cs *engine; | |
3b3f1650 | 3157 | enum intel_engine_id id; |
1b36595f | 3158 | |
9c870d03 CW |
3159 | intel_runtime_pm_get(dev_priv); |
3160 | ||
3b3f1650 | 3161 | for_each_engine(engine, dev_priv, id) { |
1b36595f CW |
3162 | struct intel_breadcrumbs *b = &engine->breadcrumbs; |
3163 | struct drm_i915_gem_request *rq; | |
3164 | struct rb_node *rb; | |
3165 | u64 addr; | |
3166 | ||
3167 | seq_printf(m, "%s\n", engine->name); | |
3168 | seq_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [score %d]\n", | |
3169 | intel_engine_get_seqno(engine), | |
73cb9701 | 3170 | engine->timeline->last_submitted_seqno, |
1b36595f CW |
3171 | engine->hangcheck.seqno, |
3172 | engine->hangcheck.score); | |
3173 | ||
3174 | rcu_read_lock(); | |
3175 | ||
3176 | seq_printf(m, "\tRequests:\n"); | |
3177 | ||
73cb9701 CW |
3178 | rq = list_first_entry(&engine->timeline->requests, |
3179 | struct drm_i915_gem_request, link); | |
3180 | if (&rq->link != &engine->timeline->requests) | |
1b36595f CW |
3181 | print_request(m, rq, "\t\tfirst "); |
3182 | ||
73cb9701 CW |
3183 | rq = list_last_entry(&engine->timeline->requests, |
3184 | struct drm_i915_gem_request, link); | |
3185 | if (&rq->link != &engine->timeline->requests) | |
1b36595f CW |
3186 | print_request(m, rq, "\t\tlast "); |
3187 | ||
3188 | rq = i915_gem_find_active_request(engine); | |
3189 | if (rq) { | |
3190 | print_request(m, rq, "\t\tactive "); | |
3191 | seq_printf(m, | |
3192 | "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n", | |
3193 | rq->head, rq->postfix, rq->tail, | |
3194 | rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u, | |
3195 | rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u); | |
3196 | } | |
3197 | ||
3198 | seq_printf(m, "\tRING_START: 0x%08x [0x%08x]\n", | |
3199 | I915_READ(RING_START(engine->mmio_base)), | |
3200 | rq ? i915_ggtt_offset(rq->ring->vma) : 0); | |
3201 | seq_printf(m, "\tRING_HEAD: 0x%08x [0x%08x]\n", | |
3202 | I915_READ(RING_HEAD(engine->mmio_base)) & HEAD_ADDR, | |
3203 | rq ? rq->ring->head : 0); | |
3204 | seq_printf(m, "\tRING_TAIL: 0x%08x [0x%08x]\n", | |
3205 | I915_READ(RING_TAIL(engine->mmio_base)) & TAIL_ADDR, | |
3206 | rq ? rq->ring->tail : 0); | |
3207 | seq_printf(m, "\tRING_CTL: 0x%08x [%s]\n", | |
3208 | I915_READ(RING_CTL(engine->mmio_base)), | |
3209 | I915_READ(RING_CTL(engine->mmio_base)) & (RING_WAIT | RING_WAIT_SEMAPHORE) ? "waiting" : ""); | |
3210 | ||
3211 | rcu_read_unlock(); | |
3212 | ||
3213 | addr = intel_engine_get_active_head(engine); | |
3214 | seq_printf(m, "\tACTHD: 0x%08x_%08x\n", | |
3215 | upper_32_bits(addr), lower_32_bits(addr)); | |
3216 | addr = intel_engine_get_last_batch_head(engine); | |
3217 | seq_printf(m, "\tBBADDR: 0x%08x_%08x\n", | |
3218 | upper_32_bits(addr), lower_32_bits(addr)); | |
3219 | ||
3220 | if (i915.enable_execlists) { | |
3221 | u32 ptr, read, write; | |
3222 | ||
3223 | seq_printf(m, "\tExeclist status: 0x%08x %08x\n", | |
3224 | I915_READ(RING_EXECLIST_STATUS_LO(engine)), | |
3225 | I915_READ(RING_EXECLIST_STATUS_HI(engine))); | |
3226 | ||
3227 | ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine)); | |
3228 | read = GEN8_CSB_READ_PTR(ptr); | |
3229 | write = GEN8_CSB_WRITE_PTR(ptr); | |
3230 | seq_printf(m, "\tExeclist CSB read %d, write %d\n", | |
3231 | read, write); | |
3232 | if (read >= GEN8_CSB_ENTRIES) | |
3233 | read = 0; | |
3234 | if (write >= GEN8_CSB_ENTRIES) | |
3235 | write = 0; | |
3236 | if (read > write) | |
3237 | write += GEN8_CSB_ENTRIES; | |
3238 | while (read < write) { | |
3239 | unsigned int idx = ++read % GEN8_CSB_ENTRIES; | |
3240 | ||
3241 | seq_printf(m, "\tExeclist CSB[%d]: 0x%08x, context: %d\n", | |
3242 | idx, | |
3243 | I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, idx)), | |
3244 | I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, idx))); | |
3245 | } | |
3246 | ||
3247 | rcu_read_lock(); | |
3248 | rq = READ_ONCE(engine->execlist_port[0].request); | |
3249 | if (rq) | |
3250 | print_request(m, rq, "\t\tELSP[0] "); | |
3251 | else | |
3252 | seq_printf(m, "\t\tELSP[0] idle\n"); | |
3253 | rq = READ_ONCE(engine->execlist_port[1].request); | |
3254 | if (rq) | |
3255 | print_request(m, rq, "\t\tELSP[1] "); | |
3256 | else | |
3257 | seq_printf(m, "\t\tELSP[1] idle\n"); | |
3258 | rcu_read_unlock(); | |
3259 | } else if (INTEL_GEN(dev_priv) > 6) { | |
3260 | seq_printf(m, "\tPP_DIR_BASE: 0x%08x\n", | |
3261 | I915_READ(RING_PP_DIR_BASE(engine))); | |
3262 | seq_printf(m, "\tPP_DIR_BASE_READ: 0x%08x\n", | |
3263 | I915_READ(RING_PP_DIR_BASE_READ(engine))); | |
3264 | seq_printf(m, "\tPP_DIR_DCLV: 0x%08x\n", | |
3265 | I915_READ(RING_PP_DIR_DCLV(engine))); | |
3266 | } | |
3267 | ||
f6168e33 | 3268 | spin_lock_irq(&b->lock); |
1b36595f CW |
3269 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { |
3270 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
3271 | ||
3272 | seq_printf(m, "\t%s [%d] waiting for %x\n", | |
3273 | w->tsk->comm, w->tsk->pid, w->seqno); | |
3274 | } | |
f6168e33 | 3275 | spin_unlock_irq(&b->lock); |
1b36595f CW |
3276 | |
3277 | seq_puts(m, "\n"); | |
3278 | } | |
3279 | ||
9c870d03 CW |
3280 | intel_runtime_pm_put(dev_priv); |
3281 | ||
1b36595f CW |
3282 | return 0; |
3283 | } | |
3284 | ||
e04934cf BW |
3285 | static int i915_semaphore_status(struct seq_file *m, void *unused) |
3286 | { | |
36cdd013 DW |
3287 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3288 | struct drm_device *dev = &dev_priv->drm; | |
e2f80391 | 3289 | struct intel_engine_cs *engine; |
36cdd013 | 3290 | int num_rings = INTEL_INFO(dev_priv)->num_rings; |
c3232b18 DG |
3291 | enum intel_engine_id id; |
3292 | int j, ret; | |
e04934cf | 3293 | |
39df9190 | 3294 | if (!i915.semaphores) { |
e04934cf BW |
3295 | seq_puts(m, "Semaphores are disabled\n"); |
3296 | return 0; | |
3297 | } | |
3298 | ||
3299 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3300 | if (ret) | |
3301 | return ret; | |
03872064 | 3302 | intel_runtime_pm_get(dev_priv); |
e04934cf | 3303 | |
36cdd013 | 3304 | if (IS_BROADWELL(dev_priv)) { |
e04934cf BW |
3305 | struct page *page; |
3306 | uint64_t *seqno; | |
3307 | ||
51d545d0 | 3308 | page = i915_gem_object_get_page(dev_priv->semaphore->obj, 0); |
e04934cf BW |
3309 | |
3310 | seqno = (uint64_t *)kmap_atomic(page); | |
3b3f1650 | 3311 | for_each_engine(engine, dev_priv, id) { |
e04934cf BW |
3312 | uint64_t offset; |
3313 | ||
e2f80391 | 3314 | seq_printf(m, "%s\n", engine->name); |
e04934cf BW |
3315 | |
3316 | seq_puts(m, " Last signal:"); | |
3317 | for (j = 0; j < num_rings; j++) { | |
c3232b18 | 3318 | offset = id * I915_NUM_ENGINES + j; |
e04934cf BW |
3319 | seq_printf(m, "0x%08llx (0x%02llx) ", |
3320 | seqno[offset], offset * 8); | |
3321 | } | |
3322 | seq_putc(m, '\n'); | |
3323 | ||
3324 | seq_puts(m, " Last wait: "); | |
3325 | for (j = 0; j < num_rings; j++) { | |
c3232b18 | 3326 | offset = id + (j * I915_NUM_ENGINES); |
e04934cf BW |
3327 | seq_printf(m, "0x%08llx (0x%02llx) ", |
3328 | seqno[offset], offset * 8); | |
3329 | } | |
3330 | seq_putc(m, '\n'); | |
3331 | ||
3332 | } | |
3333 | kunmap_atomic(seqno); | |
3334 | } else { | |
3335 | seq_puts(m, " Last signal:"); | |
3b3f1650 | 3336 | for_each_engine(engine, dev_priv, id) |
e04934cf BW |
3337 | for (j = 0; j < num_rings; j++) |
3338 | seq_printf(m, "0x%08x\n", | |
e2f80391 | 3339 | I915_READ(engine->semaphore.mbox.signal[j])); |
e04934cf BW |
3340 | seq_putc(m, '\n'); |
3341 | } | |
3342 | ||
03872064 | 3343 | intel_runtime_pm_put(dev_priv); |
e04934cf BW |
3344 | mutex_unlock(&dev->struct_mutex); |
3345 | return 0; | |
3346 | } | |
3347 | ||
728e29d7 DV |
3348 | static int i915_shared_dplls_info(struct seq_file *m, void *unused) |
3349 | { | |
36cdd013 DW |
3350 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3351 | struct drm_device *dev = &dev_priv->drm; | |
728e29d7 DV |
3352 | int i; |
3353 | ||
3354 | drm_modeset_lock_all(dev); | |
3355 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
3356 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
3357 | ||
3358 | seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id); | |
2dd66ebd ML |
3359 | seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n", |
3360 | pll->config.crtc_mask, pll->active_mask, yesno(pll->on)); | |
728e29d7 | 3361 | seq_printf(m, " tracked hardware state:\n"); |
3e369b76 ACO |
3362 | seq_printf(m, " dpll: 0x%08x\n", pll->config.hw_state.dpll); |
3363 | seq_printf(m, " dpll_md: 0x%08x\n", | |
3364 | pll->config.hw_state.dpll_md); | |
3365 | seq_printf(m, " fp0: 0x%08x\n", pll->config.hw_state.fp0); | |
3366 | seq_printf(m, " fp1: 0x%08x\n", pll->config.hw_state.fp1); | |
3367 | seq_printf(m, " wrpll: 0x%08x\n", pll->config.hw_state.wrpll); | |
728e29d7 DV |
3368 | } |
3369 | drm_modeset_unlock_all(dev); | |
3370 | ||
3371 | return 0; | |
3372 | } | |
3373 | ||
1ed1ef9d | 3374 | static int i915_wa_registers(struct seq_file *m, void *unused) |
888b5995 AS |
3375 | { |
3376 | int i; | |
3377 | int ret; | |
e2f80391 | 3378 | struct intel_engine_cs *engine; |
36cdd013 DW |
3379 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3380 | struct drm_device *dev = &dev_priv->drm; | |
33136b06 | 3381 | struct i915_workarounds *workarounds = &dev_priv->workarounds; |
c3232b18 | 3382 | enum intel_engine_id id; |
888b5995 | 3383 | |
888b5995 AS |
3384 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
3385 | if (ret) | |
3386 | return ret; | |
3387 | ||
3388 | intel_runtime_pm_get(dev_priv); | |
3389 | ||
33136b06 | 3390 | seq_printf(m, "Workarounds applied: %d\n", workarounds->count); |
3b3f1650 | 3391 | for_each_engine(engine, dev_priv, id) |
33136b06 | 3392 | seq_printf(m, "HW whitelist count for %s: %d\n", |
c3232b18 | 3393 | engine->name, workarounds->hw_whitelist_count[id]); |
33136b06 | 3394 | for (i = 0; i < workarounds->count; ++i) { |
f0f59a00 VS |
3395 | i915_reg_t addr; |
3396 | u32 mask, value, read; | |
2fa60f6d | 3397 | bool ok; |
888b5995 | 3398 | |
33136b06 AS |
3399 | addr = workarounds->reg[i].addr; |
3400 | mask = workarounds->reg[i].mask; | |
3401 | value = workarounds->reg[i].value; | |
2fa60f6d MK |
3402 | read = I915_READ(addr); |
3403 | ok = (value & mask) == (read & mask); | |
3404 | seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n", | |
f0f59a00 | 3405 | i915_mmio_reg_offset(addr), value, mask, read, ok ? "OK" : "FAIL"); |
888b5995 AS |
3406 | } |
3407 | ||
3408 | intel_runtime_pm_put(dev_priv); | |
3409 | mutex_unlock(&dev->struct_mutex); | |
3410 | ||
3411 | return 0; | |
3412 | } | |
3413 | ||
c5511e44 DL |
3414 | static int i915_ddb_info(struct seq_file *m, void *unused) |
3415 | { | |
36cdd013 DW |
3416 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3417 | struct drm_device *dev = &dev_priv->drm; | |
c5511e44 DL |
3418 | struct skl_ddb_allocation *ddb; |
3419 | struct skl_ddb_entry *entry; | |
3420 | enum pipe pipe; | |
3421 | int plane; | |
3422 | ||
36cdd013 | 3423 | if (INTEL_GEN(dev_priv) < 9) |
2fcffe19 DL |
3424 | return 0; |
3425 | ||
c5511e44 DL |
3426 | drm_modeset_lock_all(dev); |
3427 | ||
3428 | ddb = &dev_priv->wm.skl_hw.ddb; | |
3429 | ||
3430 | seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size"); | |
3431 | ||
3432 | for_each_pipe(dev_priv, pipe) { | |
3433 | seq_printf(m, "Pipe %c\n", pipe_name(pipe)); | |
3434 | ||
8b364b41 | 3435 | for_each_universal_plane(dev_priv, pipe, plane) { |
c5511e44 DL |
3436 | entry = &ddb->plane[pipe][plane]; |
3437 | seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1, | |
3438 | entry->start, entry->end, | |
3439 | skl_ddb_entry_size(entry)); | |
3440 | } | |
3441 | ||
4969d33e | 3442 | entry = &ddb->plane[pipe][PLANE_CURSOR]; |
c5511e44 DL |
3443 | seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start, |
3444 | entry->end, skl_ddb_entry_size(entry)); | |
3445 | } | |
3446 | ||
3447 | drm_modeset_unlock_all(dev); | |
3448 | ||
3449 | return 0; | |
3450 | } | |
3451 | ||
a54746e3 | 3452 | static void drrs_status_per_crtc(struct seq_file *m, |
36cdd013 DW |
3453 | struct drm_device *dev, |
3454 | struct intel_crtc *intel_crtc) | |
a54746e3 | 3455 | { |
fac5e23e | 3456 | struct drm_i915_private *dev_priv = to_i915(dev); |
a54746e3 VK |
3457 | struct i915_drrs *drrs = &dev_priv->drrs; |
3458 | int vrefresh = 0; | |
26875fe5 | 3459 | struct drm_connector *connector; |
a54746e3 | 3460 | |
26875fe5 ML |
3461 | drm_for_each_connector(connector, dev) { |
3462 | if (connector->state->crtc != &intel_crtc->base) | |
3463 | continue; | |
3464 | ||
3465 | seq_printf(m, "%s:\n", connector->name); | |
a54746e3 VK |
3466 | } |
3467 | ||
3468 | if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT) | |
3469 | seq_puts(m, "\tVBT: DRRS_type: Static"); | |
3470 | else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT) | |
3471 | seq_puts(m, "\tVBT: DRRS_type: Seamless"); | |
3472 | else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED) | |
3473 | seq_puts(m, "\tVBT: DRRS_type: None"); | |
3474 | else | |
3475 | seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value"); | |
3476 | ||
3477 | seq_puts(m, "\n\n"); | |
3478 | ||
f77076c9 | 3479 | if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) { |
a54746e3 VK |
3480 | struct intel_panel *panel; |
3481 | ||
3482 | mutex_lock(&drrs->mutex); | |
3483 | /* DRRS Supported */ | |
3484 | seq_puts(m, "\tDRRS Supported: Yes\n"); | |
3485 | ||
3486 | /* disable_drrs() will make drrs->dp NULL */ | |
3487 | if (!drrs->dp) { | |
3488 | seq_puts(m, "Idleness DRRS: Disabled"); | |
3489 | mutex_unlock(&drrs->mutex); | |
3490 | return; | |
3491 | } | |
3492 | ||
3493 | panel = &drrs->dp->attached_connector->panel; | |
3494 | seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X", | |
3495 | drrs->busy_frontbuffer_bits); | |
3496 | ||
3497 | seq_puts(m, "\n\t\t"); | |
3498 | if (drrs->refresh_rate_type == DRRS_HIGH_RR) { | |
3499 | seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n"); | |
3500 | vrefresh = panel->fixed_mode->vrefresh; | |
3501 | } else if (drrs->refresh_rate_type == DRRS_LOW_RR) { | |
3502 | seq_puts(m, "DRRS_State: DRRS_LOW_RR\n"); | |
3503 | vrefresh = panel->downclock_mode->vrefresh; | |
3504 | } else { | |
3505 | seq_printf(m, "DRRS_State: Unknown(%d)\n", | |
3506 | drrs->refresh_rate_type); | |
3507 | mutex_unlock(&drrs->mutex); | |
3508 | return; | |
3509 | } | |
3510 | seq_printf(m, "\t\tVrefresh: %d", vrefresh); | |
3511 | ||
3512 | seq_puts(m, "\n\t\t"); | |
3513 | mutex_unlock(&drrs->mutex); | |
3514 | } else { | |
3515 | /* DRRS not supported. Print the VBT parameter*/ | |
3516 | seq_puts(m, "\tDRRS Supported : No"); | |
3517 | } | |
3518 | seq_puts(m, "\n"); | |
3519 | } | |
3520 | ||
3521 | static int i915_drrs_status(struct seq_file *m, void *unused) | |
3522 | { | |
36cdd013 DW |
3523 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3524 | struct drm_device *dev = &dev_priv->drm; | |
a54746e3 VK |
3525 | struct intel_crtc *intel_crtc; |
3526 | int active_crtc_cnt = 0; | |
3527 | ||
26875fe5 | 3528 | drm_modeset_lock_all(dev); |
a54746e3 | 3529 | for_each_intel_crtc(dev, intel_crtc) { |
f77076c9 | 3530 | if (intel_crtc->base.state->active) { |
a54746e3 VK |
3531 | active_crtc_cnt++; |
3532 | seq_printf(m, "\nCRTC %d: ", active_crtc_cnt); | |
3533 | ||
3534 | drrs_status_per_crtc(m, dev, intel_crtc); | |
3535 | } | |
a54746e3 | 3536 | } |
26875fe5 | 3537 | drm_modeset_unlock_all(dev); |
a54746e3 VK |
3538 | |
3539 | if (!active_crtc_cnt) | |
3540 | seq_puts(m, "No active crtc found\n"); | |
3541 | ||
3542 | return 0; | |
3543 | } | |
3544 | ||
07144428 DL |
3545 | struct pipe_crc_info { |
3546 | const char *name; | |
36cdd013 | 3547 | struct drm_i915_private *dev_priv; |
07144428 DL |
3548 | enum pipe pipe; |
3549 | }; | |
3550 | ||
11bed958 DA |
3551 | static int i915_dp_mst_info(struct seq_file *m, void *unused) |
3552 | { | |
36cdd013 DW |
3553 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3554 | struct drm_device *dev = &dev_priv->drm; | |
11bed958 DA |
3555 | struct intel_encoder *intel_encoder; |
3556 | struct intel_digital_port *intel_dig_port; | |
b6dabe3b ML |
3557 | struct drm_connector *connector; |
3558 | ||
11bed958 | 3559 | drm_modeset_lock_all(dev); |
b6dabe3b ML |
3560 | drm_for_each_connector(connector, dev) { |
3561 | if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) | |
11bed958 | 3562 | continue; |
b6dabe3b ML |
3563 | |
3564 | intel_encoder = intel_attached_encoder(connector); | |
3565 | if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST) | |
3566 | continue; | |
3567 | ||
3568 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
11bed958 DA |
3569 | if (!intel_dig_port->dp.can_mst) |
3570 | continue; | |
b6dabe3b | 3571 | |
40ae80cc JB |
3572 | seq_printf(m, "MST Source Port %c\n", |
3573 | port_name(intel_dig_port->port)); | |
11bed958 DA |
3574 | drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr); |
3575 | } | |
3576 | drm_modeset_unlock_all(dev); | |
3577 | return 0; | |
3578 | } | |
3579 | ||
07144428 DL |
3580 | static int i915_pipe_crc_open(struct inode *inode, struct file *filep) |
3581 | { | |
be5c7a90 | 3582 | struct pipe_crc_info *info = inode->i_private; |
36cdd013 | 3583 | struct drm_i915_private *dev_priv = info->dev_priv; |
be5c7a90 DL |
3584 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; |
3585 | ||
36cdd013 | 3586 | if (info->pipe >= INTEL_INFO(dev_priv)->num_pipes) |
7eb1c496 DV |
3587 | return -ENODEV; |
3588 | ||
d538bbdf DL |
3589 | spin_lock_irq(&pipe_crc->lock); |
3590 | ||
3591 | if (pipe_crc->opened) { | |
3592 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 DL |
3593 | return -EBUSY; /* already open */ |
3594 | } | |
3595 | ||
d538bbdf | 3596 | pipe_crc->opened = true; |
07144428 DL |
3597 | filep->private_data = inode->i_private; |
3598 | ||
d538bbdf DL |
3599 | spin_unlock_irq(&pipe_crc->lock); |
3600 | ||
07144428 DL |
3601 | return 0; |
3602 | } | |
3603 | ||
3604 | static int i915_pipe_crc_release(struct inode *inode, struct file *filep) | |
3605 | { | |
be5c7a90 | 3606 | struct pipe_crc_info *info = inode->i_private; |
36cdd013 | 3607 | struct drm_i915_private *dev_priv = info->dev_priv; |
be5c7a90 DL |
3608 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; |
3609 | ||
d538bbdf DL |
3610 | spin_lock_irq(&pipe_crc->lock); |
3611 | pipe_crc->opened = false; | |
3612 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 | 3613 | |
07144428 DL |
3614 | return 0; |
3615 | } | |
3616 | ||
3617 | /* (6 fields, 8 chars each, space separated (5) + '\n') */ | |
3618 | #define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1) | |
3619 | /* account for \'0' */ | |
3620 | #define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1) | |
3621 | ||
3622 | static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc) | |
8bf1e9f1 | 3623 | { |
d538bbdf DL |
3624 | assert_spin_locked(&pipe_crc->lock); |
3625 | return CIRC_CNT(pipe_crc->head, pipe_crc->tail, | |
3626 | INTEL_PIPE_CRC_ENTRIES_NR); | |
07144428 DL |
3627 | } |
3628 | ||
3629 | static ssize_t | |
3630 | i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count, | |
3631 | loff_t *pos) | |
3632 | { | |
3633 | struct pipe_crc_info *info = filep->private_data; | |
36cdd013 | 3634 | struct drm_i915_private *dev_priv = info->dev_priv; |
07144428 DL |
3635 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; |
3636 | char buf[PIPE_CRC_BUFFER_LEN]; | |
9ad6d99f | 3637 | int n_entries; |
07144428 DL |
3638 | ssize_t bytes_read; |
3639 | ||
3640 | /* | |
3641 | * Don't allow user space to provide buffers not big enough to hold | |
3642 | * a line of data. | |
3643 | */ | |
3644 | if (count < PIPE_CRC_LINE_LEN) | |
3645 | return -EINVAL; | |
3646 | ||
3647 | if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE) | |
8bf1e9f1 | 3648 | return 0; |
07144428 DL |
3649 | |
3650 | /* nothing to read */ | |
d538bbdf | 3651 | spin_lock_irq(&pipe_crc->lock); |
07144428 | 3652 | while (pipe_crc_data_count(pipe_crc) == 0) { |
d538bbdf DL |
3653 | int ret; |
3654 | ||
3655 | if (filep->f_flags & O_NONBLOCK) { | |
3656 | spin_unlock_irq(&pipe_crc->lock); | |
07144428 | 3657 | return -EAGAIN; |
d538bbdf | 3658 | } |
07144428 | 3659 | |
d538bbdf DL |
3660 | ret = wait_event_interruptible_lock_irq(pipe_crc->wq, |
3661 | pipe_crc_data_count(pipe_crc), pipe_crc->lock); | |
3662 | if (ret) { | |
3663 | spin_unlock_irq(&pipe_crc->lock); | |
3664 | return ret; | |
3665 | } | |
8bf1e9f1 SH |
3666 | } |
3667 | ||
07144428 | 3668 | /* We now have one or more entries to read */ |
9ad6d99f | 3669 | n_entries = count / PIPE_CRC_LINE_LEN; |
d538bbdf | 3670 | |
07144428 | 3671 | bytes_read = 0; |
9ad6d99f VS |
3672 | while (n_entries > 0) { |
3673 | struct intel_pipe_crc_entry *entry = | |
3674 | &pipe_crc->entries[pipe_crc->tail]; | |
8bf1e9f1 | 3675 | |
9ad6d99f VS |
3676 | if (CIRC_CNT(pipe_crc->head, pipe_crc->tail, |
3677 | INTEL_PIPE_CRC_ENTRIES_NR) < 1) | |
3678 | break; | |
3679 | ||
3680 | BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR); | |
3681 | pipe_crc->tail = (pipe_crc->tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1); | |
3682 | ||
07144428 DL |
3683 | bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN, |
3684 | "%8u %8x %8x %8x %8x %8x\n", | |
3685 | entry->frame, entry->crc[0], | |
3686 | entry->crc[1], entry->crc[2], | |
3687 | entry->crc[3], entry->crc[4]); | |
3688 | ||
9ad6d99f VS |
3689 | spin_unlock_irq(&pipe_crc->lock); |
3690 | ||
4e9121e6 | 3691 | if (copy_to_user(user_buf, buf, PIPE_CRC_LINE_LEN)) |
07144428 | 3692 | return -EFAULT; |
b2c88f5b | 3693 | |
9ad6d99f VS |
3694 | user_buf += PIPE_CRC_LINE_LEN; |
3695 | n_entries--; | |
3696 | ||
3697 | spin_lock_irq(&pipe_crc->lock); | |
3698 | } | |
8bf1e9f1 | 3699 | |
d538bbdf DL |
3700 | spin_unlock_irq(&pipe_crc->lock); |
3701 | ||
07144428 DL |
3702 | return bytes_read; |
3703 | } | |
3704 | ||
3705 | static const struct file_operations i915_pipe_crc_fops = { | |
3706 | .owner = THIS_MODULE, | |
3707 | .open = i915_pipe_crc_open, | |
3708 | .read = i915_pipe_crc_read, | |
3709 | .release = i915_pipe_crc_release, | |
3710 | }; | |
3711 | ||
3712 | static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = { | |
3713 | { | |
3714 | .name = "i915_pipe_A_crc", | |
3715 | .pipe = PIPE_A, | |
3716 | }, | |
3717 | { | |
3718 | .name = "i915_pipe_B_crc", | |
3719 | .pipe = PIPE_B, | |
3720 | }, | |
3721 | { | |
3722 | .name = "i915_pipe_C_crc", | |
3723 | .pipe = PIPE_C, | |
3724 | }, | |
3725 | }; | |
3726 | ||
3727 | static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor, | |
3728 | enum pipe pipe) | |
3729 | { | |
36cdd013 | 3730 | struct drm_i915_private *dev_priv = to_i915(minor->dev); |
07144428 DL |
3731 | struct dentry *ent; |
3732 | struct pipe_crc_info *info = &i915_pipe_crc_data[pipe]; | |
3733 | ||
36cdd013 | 3734 | info->dev_priv = dev_priv; |
07144428 DL |
3735 | ent = debugfs_create_file(info->name, S_IRUGO, root, info, |
3736 | &i915_pipe_crc_fops); | |
f3c5fe97 WY |
3737 | if (!ent) |
3738 | return -ENOMEM; | |
07144428 DL |
3739 | |
3740 | return drm_add_fake_info_node(minor, ent, info); | |
8bf1e9f1 SH |
3741 | } |
3742 | ||
e8dfcf78 | 3743 | static const char * const pipe_crc_sources[] = { |
926321d5 DV |
3744 | "none", |
3745 | "plane1", | |
3746 | "plane2", | |
3747 | "pf", | |
5b3a856b | 3748 | "pipe", |
3d099a05 DV |
3749 | "TV", |
3750 | "DP-B", | |
3751 | "DP-C", | |
3752 | "DP-D", | |
46a19188 | 3753 | "auto", |
926321d5 DV |
3754 | }; |
3755 | ||
3756 | static const char *pipe_crc_source_name(enum intel_pipe_crc_source source) | |
3757 | { | |
3758 | BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX); | |
3759 | return pipe_crc_sources[source]; | |
3760 | } | |
3761 | ||
bd9db02f | 3762 | static int display_crc_ctl_show(struct seq_file *m, void *data) |
926321d5 | 3763 | { |
36cdd013 | 3764 | struct drm_i915_private *dev_priv = m->private; |
926321d5 DV |
3765 | int i; |
3766 | ||
3767 | for (i = 0; i < I915_MAX_PIPES; i++) | |
3768 | seq_printf(m, "%c %s\n", pipe_name(i), | |
3769 | pipe_crc_source_name(dev_priv->pipe_crc[i].source)); | |
3770 | ||
3771 | return 0; | |
3772 | } | |
3773 | ||
bd9db02f | 3774 | static int display_crc_ctl_open(struct inode *inode, struct file *file) |
926321d5 | 3775 | { |
36cdd013 | 3776 | return single_open(file, display_crc_ctl_show, inode->i_private); |
926321d5 DV |
3777 | } |
3778 | ||
46a19188 | 3779 | static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
52f843f6 DV |
3780 | uint32_t *val) |
3781 | { | |
46a19188 DV |
3782 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
3783 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3784 | ||
3785 | switch (*source) { | |
52f843f6 DV |
3786 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3787 | *val = PIPE_CRC_ENABLE | PIPE_CRC_INCLUDE_BORDER_I8XX; | |
3788 | break; | |
3789 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3790 | *val = 0; | |
3791 | break; | |
3792 | default: | |
3793 | return -EINVAL; | |
3794 | } | |
3795 | ||
3796 | return 0; | |
3797 | } | |
3798 | ||
36cdd013 DW |
3799 | static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv, |
3800 | enum pipe pipe, | |
46a19188 DV |
3801 | enum intel_pipe_crc_source *source) |
3802 | { | |
36cdd013 | 3803 | struct drm_device *dev = &dev_priv->drm; |
46a19188 DV |
3804 | struct intel_encoder *encoder; |
3805 | struct intel_crtc *crtc; | |
26756809 | 3806 | struct intel_digital_port *dig_port; |
46a19188 DV |
3807 | int ret = 0; |
3808 | ||
3809 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3810 | ||
6e9f798d | 3811 | drm_modeset_lock_all(dev); |
b2784e15 | 3812 | for_each_intel_encoder(dev, encoder) { |
46a19188 DV |
3813 | if (!encoder->base.crtc) |
3814 | continue; | |
3815 | ||
3816 | crtc = to_intel_crtc(encoder->base.crtc); | |
3817 | ||
3818 | if (crtc->pipe != pipe) | |
3819 | continue; | |
3820 | ||
3821 | switch (encoder->type) { | |
3822 | case INTEL_OUTPUT_TVOUT: | |
3823 | *source = INTEL_PIPE_CRC_SOURCE_TV; | |
3824 | break; | |
cca0502b | 3825 | case INTEL_OUTPUT_DP: |
46a19188 | 3826 | case INTEL_OUTPUT_EDP: |
26756809 DV |
3827 | dig_port = enc_to_dig_port(&encoder->base); |
3828 | switch (dig_port->port) { | |
3829 | case PORT_B: | |
3830 | *source = INTEL_PIPE_CRC_SOURCE_DP_B; | |
3831 | break; | |
3832 | case PORT_C: | |
3833 | *source = INTEL_PIPE_CRC_SOURCE_DP_C; | |
3834 | break; | |
3835 | case PORT_D: | |
3836 | *source = INTEL_PIPE_CRC_SOURCE_DP_D; | |
3837 | break; | |
3838 | default: | |
3839 | WARN(1, "nonexisting DP port %c\n", | |
3840 | port_name(dig_port->port)); | |
3841 | break; | |
3842 | } | |
46a19188 | 3843 | break; |
6847d71b PZ |
3844 | default: |
3845 | break; | |
46a19188 DV |
3846 | } |
3847 | } | |
6e9f798d | 3848 | drm_modeset_unlock_all(dev); |
46a19188 DV |
3849 | |
3850 | return ret; | |
3851 | } | |
3852 | ||
36cdd013 | 3853 | static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv, |
46a19188 DV |
3854 | enum pipe pipe, |
3855 | enum intel_pipe_crc_source *source, | |
7ac0129b DV |
3856 | uint32_t *val) |
3857 | { | |
8d2f24ca DV |
3858 | bool need_stable_symbols = false; |
3859 | ||
46a19188 | 3860 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
36cdd013 | 3861 | int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source); |
46a19188 DV |
3862 | if (ret) |
3863 | return ret; | |
3864 | } | |
3865 | ||
3866 | switch (*source) { | |
7ac0129b DV |
3867 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3868 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV; | |
3869 | break; | |
3870 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
3871 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV; | |
8d2f24ca | 3872 | need_stable_symbols = true; |
7ac0129b DV |
3873 | break; |
3874 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
3875 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV; | |
8d2f24ca | 3876 | need_stable_symbols = true; |
7ac0129b | 3877 | break; |
2be57922 | 3878 | case INTEL_PIPE_CRC_SOURCE_DP_D: |
36cdd013 | 3879 | if (!IS_CHERRYVIEW(dev_priv)) |
2be57922 VS |
3880 | return -EINVAL; |
3881 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_VLV; | |
3882 | need_stable_symbols = true; | |
3883 | break; | |
7ac0129b DV |
3884 | case INTEL_PIPE_CRC_SOURCE_NONE: |
3885 | *val = 0; | |
3886 | break; | |
3887 | default: | |
3888 | return -EINVAL; | |
3889 | } | |
3890 | ||
8d2f24ca DV |
3891 | /* |
3892 | * When the pipe CRC tap point is after the transcoders we need | |
3893 | * to tweak symbol-level features to produce a deterministic series of | |
3894 | * symbols for a given frame. We need to reset those features only once | |
3895 | * a frame (instead of every nth symbol): | |
3896 | * - DC-balance: used to ensure a better clock recovery from the data | |
3897 | * link (SDVO) | |
3898 | * - DisplayPort scrambling: used for EMI reduction | |
3899 | */ | |
3900 | if (need_stable_symbols) { | |
3901 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3902 | ||
8d2f24ca | 3903 | tmp |= DC_BALANCE_RESET_VLV; |
eb736679 VS |
3904 | switch (pipe) { |
3905 | case PIPE_A: | |
8d2f24ca | 3906 | tmp |= PIPE_A_SCRAMBLE_RESET; |
eb736679 VS |
3907 | break; |
3908 | case PIPE_B: | |
8d2f24ca | 3909 | tmp |= PIPE_B_SCRAMBLE_RESET; |
eb736679 VS |
3910 | break; |
3911 | case PIPE_C: | |
3912 | tmp |= PIPE_C_SCRAMBLE_RESET; | |
3913 | break; | |
3914 | default: | |
3915 | return -EINVAL; | |
3916 | } | |
8d2f24ca DV |
3917 | I915_WRITE(PORT_DFT2_G4X, tmp); |
3918 | } | |
3919 | ||
7ac0129b DV |
3920 | return 0; |
3921 | } | |
3922 | ||
36cdd013 | 3923 | static int i9xx_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv, |
46a19188 DV |
3924 | enum pipe pipe, |
3925 | enum intel_pipe_crc_source *source, | |
4b79ebf7 DV |
3926 | uint32_t *val) |
3927 | { | |
84093603 DV |
3928 | bool need_stable_symbols = false; |
3929 | ||
46a19188 | 3930 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
36cdd013 | 3931 | int ret = i9xx_pipe_crc_auto_source(dev_priv, pipe, source); |
46a19188 DV |
3932 | if (ret) |
3933 | return ret; | |
3934 | } | |
3935 | ||
3936 | switch (*source) { | |
4b79ebf7 DV |
3937 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3938 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_I9XX; | |
3939 | break; | |
3940 | case INTEL_PIPE_CRC_SOURCE_TV: | |
36cdd013 | 3941 | if (!SUPPORTS_TV(dev_priv)) |
4b79ebf7 DV |
3942 | return -EINVAL; |
3943 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_TV_PRE; | |
3944 | break; | |
3945 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
36cdd013 | 3946 | if (!IS_G4X(dev_priv)) |
4b79ebf7 DV |
3947 | return -EINVAL; |
3948 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_G4X; | |
84093603 | 3949 | need_stable_symbols = true; |
4b79ebf7 DV |
3950 | break; |
3951 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
36cdd013 | 3952 | if (!IS_G4X(dev_priv)) |
4b79ebf7 DV |
3953 | return -EINVAL; |
3954 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_G4X; | |
84093603 | 3955 | need_stable_symbols = true; |
4b79ebf7 DV |
3956 | break; |
3957 | case INTEL_PIPE_CRC_SOURCE_DP_D: | |
36cdd013 | 3958 | if (!IS_G4X(dev_priv)) |
4b79ebf7 DV |
3959 | return -EINVAL; |
3960 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_G4X; | |
84093603 | 3961 | need_stable_symbols = true; |
4b79ebf7 DV |
3962 | break; |
3963 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3964 | *val = 0; | |
3965 | break; | |
3966 | default: | |
3967 | return -EINVAL; | |
3968 | } | |
3969 | ||
84093603 DV |
3970 | /* |
3971 | * When the pipe CRC tap point is after the transcoders we need | |
3972 | * to tweak symbol-level features to produce a deterministic series of | |
3973 | * symbols for a given frame. We need to reset those features only once | |
3974 | * a frame (instead of every nth symbol): | |
3975 | * - DC-balance: used to ensure a better clock recovery from the data | |
3976 | * link (SDVO) | |
3977 | * - DisplayPort scrambling: used for EMI reduction | |
3978 | */ | |
3979 | if (need_stable_symbols) { | |
3980 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3981 | ||
36cdd013 | 3982 | WARN_ON(!IS_G4X(dev_priv)); |
84093603 DV |
3983 | |
3984 | I915_WRITE(PORT_DFT_I9XX, | |
3985 | I915_READ(PORT_DFT_I9XX) | DC_BALANCE_RESET); | |
3986 | ||
3987 | if (pipe == PIPE_A) | |
3988 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
3989 | else | |
3990 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
3991 | ||
3992 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3993 | } | |
3994 | ||
4b79ebf7 DV |
3995 | return 0; |
3996 | } | |
3997 | ||
36cdd013 | 3998 | static void vlv_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv, |
8d2f24ca DV |
3999 | enum pipe pipe) |
4000 | { | |
8d2f24ca DV |
4001 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); |
4002 | ||
eb736679 VS |
4003 | switch (pipe) { |
4004 | case PIPE_A: | |
8d2f24ca | 4005 | tmp &= ~PIPE_A_SCRAMBLE_RESET; |
eb736679 VS |
4006 | break; |
4007 | case PIPE_B: | |
8d2f24ca | 4008 | tmp &= ~PIPE_B_SCRAMBLE_RESET; |
eb736679 VS |
4009 | break; |
4010 | case PIPE_C: | |
4011 | tmp &= ~PIPE_C_SCRAMBLE_RESET; | |
4012 | break; | |
4013 | default: | |
4014 | return; | |
4015 | } | |
8d2f24ca DV |
4016 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) |
4017 | tmp &= ~DC_BALANCE_RESET_VLV; | |
4018 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
4019 | ||
4020 | } | |
4021 | ||
36cdd013 | 4022 | static void g4x_undo_pipe_scramble_reset(struct drm_i915_private *dev_priv, |
84093603 DV |
4023 | enum pipe pipe) |
4024 | { | |
84093603 DV |
4025 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); |
4026 | ||
4027 | if (pipe == PIPE_A) | |
4028 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
4029 | else | |
4030 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
4031 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
4032 | ||
4033 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) { | |
4034 | I915_WRITE(PORT_DFT_I9XX, | |
4035 | I915_READ(PORT_DFT_I9XX) & ~DC_BALANCE_RESET); | |
4036 | } | |
4037 | } | |
4038 | ||
46a19188 | 4039 | static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
5b3a856b DV |
4040 | uint32_t *val) |
4041 | { | |
46a19188 DV |
4042 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
4043 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
4044 | ||
4045 | switch (*source) { | |
5b3a856b DV |
4046 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
4047 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_ILK; | |
4048 | break; | |
4049 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
4050 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK; | |
4051 | break; | |
5b3a856b DV |
4052 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
4053 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK; | |
4054 | break; | |
3d099a05 | 4055 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
4056 | *val = 0; |
4057 | break; | |
3d099a05 DV |
4058 | default: |
4059 | return -EINVAL; | |
5b3a856b DV |
4060 | } |
4061 | ||
4062 | return 0; | |
4063 | } | |
4064 | ||
36cdd013 DW |
4065 | static void hsw_trans_edp_pipe_A_crc_wa(struct drm_i915_private *dev_priv, |
4066 | bool enable) | |
fabf6e51 | 4067 | { |
36cdd013 | 4068 | struct drm_device *dev = &dev_priv->drm; |
fabf6e51 DV |
4069 | struct intel_crtc *crtc = |
4070 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]); | |
f77076c9 | 4071 | struct intel_crtc_state *pipe_config; |
c4e2d043 ML |
4072 | struct drm_atomic_state *state; |
4073 | int ret = 0; | |
fabf6e51 DV |
4074 | |
4075 | drm_modeset_lock_all(dev); | |
c4e2d043 ML |
4076 | state = drm_atomic_state_alloc(dev); |
4077 | if (!state) { | |
4078 | ret = -ENOMEM; | |
4079 | goto out; | |
fabf6e51 | 4080 | } |
fabf6e51 | 4081 | |
c4e2d043 ML |
4082 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(&crtc->base); |
4083 | pipe_config = intel_atomic_get_crtc_state(state, crtc); | |
4084 | if (IS_ERR(pipe_config)) { | |
4085 | ret = PTR_ERR(pipe_config); | |
4086 | goto out; | |
4087 | } | |
fabf6e51 | 4088 | |
c4e2d043 ML |
4089 | pipe_config->pch_pfit.force_thru = enable; |
4090 | if (pipe_config->cpu_transcoder == TRANSCODER_EDP && | |
4091 | pipe_config->pch_pfit.enabled != enable) | |
4092 | pipe_config->base.connectors_changed = true; | |
1b509259 | 4093 | |
c4e2d043 ML |
4094 | ret = drm_atomic_commit(state); |
4095 | out: | |
c4e2d043 | 4096 | WARN(ret, "Toggling workaround to %i returns %i\n", enable, ret); |
0853695c CW |
4097 | drm_modeset_unlock_all(dev); |
4098 | drm_atomic_state_put(state); | |
fabf6e51 DV |
4099 | } |
4100 | ||
36cdd013 | 4101 | static int ivb_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv, |
fabf6e51 DV |
4102 | enum pipe pipe, |
4103 | enum intel_pipe_crc_source *source, | |
5b3a856b DV |
4104 | uint32_t *val) |
4105 | { | |
46a19188 DV |
4106 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
4107 | *source = INTEL_PIPE_CRC_SOURCE_PF; | |
4108 | ||
4109 | switch (*source) { | |
5b3a856b DV |
4110 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
4111 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB; | |
4112 | break; | |
4113 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
4114 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB; | |
4115 | break; | |
4116 | case INTEL_PIPE_CRC_SOURCE_PF: | |
36cdd013 DW |
4117 | if (IS_HASWELL(dev_priv) && pipe == PIPE_A) |
4118 | hsw_trans_edp_pipe_A_crc_wa(dev_priv, true); | |
fabf6e51 | 4119 | |
5b3a856b DV |
4120 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; |
4121 | break; | |
3d099a05 | 4122 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
4123 | *val = 0; |
4124 | break; | |
3d099a05 DV |
4125 | default: |
4126 | return -EINVAL; | |
5b3a856b DV |
4127 | } |
4128 | ||
4129 | return 0; | |
4130 | } | |
4131 | ||
36cdd013 DW |
4132 | static int pipe_crc_set_source(struct drm_i915_private *dev_priv, |
4133 | enum pipe pipe, | |
926321d5 DV |
4134 | enum intel_pipe_crc_source source) |
4135 | { | |
36cdd013 | 4136 | struct drm_device *dev = &dev_priv->drm; |
cc3da175 | 4137 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
36cdd013 DW |
4138 | struct intel_crtc *crtc = |
4139 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); | |
e129649b | 4140 | enum intel_display_power_domain power_domain; |
432f3342 | 4141 | u32 val = 0; /* shut up gcc */ |
5b3a856b | 4142 | int ret; |
926321d5 | 4143 | |
cc3da175 DL |
4144 | if (pipe_crc->source == source) |
4145 | return 0; | |
4146 | ||
ae676fcd DL |
4147 | /* forbid changing the source without going back to 'none' */ |
4148 | if (pipe_crc->source && source) | |
4149 | return -EINVAL; | |
4150 | ||
e129649b ID |
4151 | power_domain = POWER_DOMAIN_PIPE(pipe); |
4152 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) { | |
9d8b0588 DV |
4153 | DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n"); |
4154 | return -EIO; | |
4155 | } | |
4156 | ||
36cdd013 | 4157 | if (IS_GEN2(dev_priv)) |
46a19188 | 4158 | ret = i8xx_pipe_crc_ctl_reg(&source, &val); |
36cdd013 DW |
4159 | else if (INTEL_GEN(dev_priv) < 5) |
4160 | ret = i9xx_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); | |
4161 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
4162 | ret = vlv_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); | |
4163 | else if (IS_GEN5(dev_priv) || IS_GEN6(dev_priv)) | |
46a19188 | 4164 | ret = ilk_pipe_crc_ctl_reg(&source, &val); |
5b3a856b | 4165 | else |
36cdd013 | 4166 | ret = ivb_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); |
5b3a856b DV |
4167 | |
4168 | if (ret != 0) | |
e129649b | 4169 | goto out; |
5b3a856b | 4170 | |
4b584369 DL |
4171 | /* none -> real source transition */ |
4172 | if (source) { | |
4252fbc3 VS |
4173 | struct intel_pipe_crc_entry *entries; |
4174 | ||
7cd6ccff DL |
4175 | DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n", |
4176 | pipe_name(pipe), pipe_crc_source_name(source)); | |
4177 | ||
3cf54b34 VS |
4178 | entries = kcalloc(INTEL_PIPE_CRC_ENTRIES_NR, |
4179 | sizeof(pipe_crc->entries[0]), | |
4252fbc3 | 4180 | GFP_KERNEL); |
e129649b ID |
4181 | if (!entries) { |
4182 | ret = -ENOMEM; | |
4183 | goto out; | |
4184 | } | |
e5f75aca | 4185 | |
8c740dce PZ |
4186 | /* |
4187 | * When IPS gets enabled, the pipe CRC changes. Since IPS gets | |
4188 | * enabled and disabled dynamically based on package C states, | |
4189 | * user space can't make reliable use of the CRCs, so let's just | |
4190 | * completely disable it. | |
4191 | */ | |
4192 | hsw_disable_ips(crtc); | |
4193 | ||
d538bbdf | 4194 | spin_lock_irq(&pipe_crc->lock); |
64387b61 | 4195 | kfree(pipe_crc->entries); |
4252fbc3 | 4196 | pipe_crc->entries = entries; |
d538bbdf DL |
4197 | pipe_crc->head = 0; |
4198 | pipe_crc->tail = 0; | |
4199 | spin_unlock_irq(&pipe_crc->lock); | |
4b584369 DL |
4200 | } |
4201 | ||
cc3da175 | 4202 | pipe_crc->source = source; |
926321d5 | 4203 | |
926321d5 DV |
4204 | I915_WRITE(PIPE_CRC_CTL(pipe), val); |
4205 | POSTING_READ(PIPE_CRC_CTL(pipe)); | |
4206 | ||
e5f75aca DL |
4207 | /* real source -> none transition */ |
4208 | if (source == INTEL_PIPE_CRC_SOURCE_NONE) { | |
d538bbdf | 4209 | struct intel_pipe_crc_entry *entries; |
a33d7105 DV |
4210 | struct intel_crtc *crtc = |
4211 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
d538bbdf | 4212 | |
7cd6ccff DL |
4213 | DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n", |
4214 | pipe_name(pipe)); | |
4215 | ||
a33d7105 | 4216 | drm_modeset_lock(&crtc->base.mutex, NULL); |
f77076c9 | 4217 | if (crtc->base.state->active) |
a33d7105 DV |
4218 | intel_wait_for_vblank(dev, pipe); |
4219 | drm_modeset_unlock(&crtc->base.mutex); | |
bcf17ab2 | 4220 | |
d538bbdf DL |
4221 | spin_lock_irq(&pipe_crc->lock); |
4222 | entries = pipe_crc->entries; | |
e5f75aca | 4223 | pipe_crc->entries = NULL; |
9ad6d99f VS |
4224 | pipe_crc->head = 0; |
4225 | pipe_crc->tail = 0; | |
d538bbdf DL |
4226 | spin_unlock_irq(&pipe_crc->lock); |
4227 | ||
4228 | kfree(entries); | |
84093603 | 4229 | |
36cdd013 DW |
4230 | if (IS_G4X(dev_priv)) |
4231 | g4x_undo_pipe_scramble_reset(dev_priv, pipe); | |
4232 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
4233 | vlv_undo_pipe_scramble_reset(dev_priv, pipe); | |
4234 | else if (IS_HASWELL(dev_priv) && pipe == PIPE_A) | |
4235 | hsw_trans_edp_pipe_A_crc_wa(dev_priv, false); | |
8c740dce PZ |
4236 | |
4237 | hsw_enable_ips(crtc); | |
e5f75aca DL |
4238 | } |
4239 | ||
e129649b ID |
4240 | ret = 0; |
4241 | ||
4242 | out: | |
4243 | intel_display_power_put(dev_priv, power_domain); | |
4244 | ||
4245 | return ret; | |
926321d5 DV |
4246 | } |
4247 | ||
4248 | /* | |
4249 | * Parse pipe CRC command strings: | |
b94dec87 DL |
4250 | * command: wsp* object wsp+ name wsp+ source wsp* |
4251 | * object: 'pipe' | |
4252 | * name: (A | B | C) | |
926321d5 DV |
4253 | * source: (none | plane1 | plane2 | pf) |
4254 | * wsp: (#0x20 | #0x9 | #0xA)+ | |
4255 | * | |
4256 | * eg.: | |
b94dec87 DL |
4257 | * "pipe A plane1" -> Start CRC computations on plane1 of pipe A |
4258 | * "pipe A none" -> Stop CRC | |
926321d5 | 4259 | */ |
bd9db02f | 4260 | static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words) |
926321d5 DV |
4261 | { |
4262 | int n_words = 0; | |
4263 | ||
4264 | while (*buf) { | |
4265 | char *end; | |
4266 | ||
4267 | /* skip leading white space */ | |
4268 | buf = skip_spaces(buf); | |
4269 | if (!*buf) | |
4270 | break; /* end of buffer */ | |
4271 | ||
4272 | /* find end of word */ | |
4273 | for (end = buf; *end && !isspace(*end); end++) | |
4274 | ; | |
4275 | ||
4276 | if (n_words == max_words) { | |
4277 | DRM_DEBUG_DRIVER("too many words, allowed <= %d\n", | |
4278 | max_words); | |
4279 | return -EINVAL; /* ran out of words[] before bytes */ | |
4280 | } | |
4281 | ||
4282 | if (*end) | |
4283 | *end++ = '\0'; | |
4284 | words[n_words++] = buf; | |
4285 | buf = end; | |
4286 | } | |
4287 | ||
4288 | return n_words; | |
4289 | } | |
4290 | ||
b94dec87 DL |
4291 | enum intel_pipe_crc_object { |
4292 | PIPE_CRC_OBJECT_PIPE, | |
4293 | }; | |
4294 | ||
e8dfcf78 | 4295 | static const char * const pipe_crc_objects[] = { |
b94dec87 DL |
4296 | "pipe", |
4297 | }; | |
4298 | ||
4299 | static int | |
bd9db02f | 4300 | display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o) |
b94dec87 DL |
4301 | { |
4302 | int i; | |
4303 | ||
4304 | for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++) | |
4305 | if (!strcmp(buf, pipe_crc_objects[i])) { | |
bd9db02f | 4306 | *o = i; |
b94dec87 DL |
4307 | return 0; |
4308 | } | |
4309 | ||
4310 | return -EINVAL; | |
4311 | } | |
4312 | ||
bd9db02f | 4313 | static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe) |
926321d5 DV |
4314 | { |
4315 | const char name = buf[0]; | |
4316 | ||
4317 | if (name < 'A' || name >= pipe_name(I915_MAX_PIPES)) | |
4318 | return -EINVAL; | |
4319 | ||
4320 | *pipe = name - 'A'; | |
4321 | ||
4322 | return 0; | |
4323 | } | |
4324 | ||
4325 | static int | |
bd9db02f | 4326 | display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s) |
926321d5 DV |
4327 | { |
4328 | int i; | |
4329 | ||
4330 | for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++) | |
4331 | if (!strcmp(buf, pipe_crc_sources[i])) { | |
bd9db02f | 4332 | *s = i; |
926321d5 DV |
4333 | return 0; |
4334 | } | |
4335 | ||
4336 | return -EINVAL; | |
4337 | } | |
4338 | ||
36cdd013 DW |
4339 | static int display_crc_ctl_parse(struct drm_i915_private *dev_priv, |
4340 | char *buf, size_t len) | |
926321d5 | 4341 | { |
b94dec87 | 4342 | #define N_WORDS 3 |
926321d5 | 4343 | int n_words; |
b94dec87 | 4344 | char *words[N_WORDS]; |
926321d5 | 4345 | enum pipe pipe; |
b94dec87 | 4346 | enum intel_pipe_crc_object object; |
926321d5 DV |
4347 | enum intel_pipe_crc_source source; |
4348 | ||
bd9db02f | 4349 | n_words = display_crc_ctl_tokenize(buf, words, N_WORDS); |
b94dec87 DL |
4350 | if (n_words != N_WORDS) { |
4351 | DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n", | |
4352 | N_WORDS); | |
4353 | return -EINVAL; | |
4354 | } | |
4355 | ||
bd9db02f | 4356 | if (display_crc_ctl_parse_object(words[0], &object) < 0) { |
b94dec87 | 4357 | DRM_DEBUG_DRIVER("unknown object %s\n", words[0]); |
926321d5 DV |
4358 | return -EINVAL; |
4359 | } | |
4360 | ||
bd9db02f | 4361 | if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) { |
b94dec87 | 4362 | DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]); |
926321d5 DV |
4363 | return -EINVAL; |
4364 | } | |
4365 | ||
bd9db02f | 4366 | if (display_crc_ctl_parse_source(words[2], &source) < 0) { |
b94dec87 | 4367 | DRM_DEBUG_DRIVER("unknown source %s\n", words[2]); |
926321d5 DV |
4368 | return -EINVAL; |
4369 | } | |
4370 | ||
36cdd013 | 4371 | return pipe_crc_set_source(dev_priv, pipe, source); |
926321d5 DV |
4372 | } |
4373 | ||
bd9db02f DL |
4374 | static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf, |
4375 | size_t len, loff_t *offp) | |
926321d5 DV |
4376 | { |
4377 | struct seq_file *m = file->private_data; | |
36cdd013 | 4378 | struct drm_i915_private *dev_priv = m->private; |
926321d5 DV |
4379 | char *tmpbuf; |
4380 | int ret; | |
4381 | ||
4382 | if (len == 0) | |
4383 | return 0; | |
4384 | ||
4385 | if (len > PAGE_SIZE - 1) { | |
4386 | DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n", | |
4387 | PAGE_SIZE); | |
4388 | return -E2BIG; | |
4389 | } | |
4390 | ||
4391 | tmpbuf = kmalloc(len + 1, GFP_KERNEL); | |
4392 | if (!tmpbuf) | |
4393 | return -ENOMEM; | |
4394 | ||
4395 | if (copy_from_user(tmpbuf, ubuf, len)) { | |
4396 | ret = -EFAULT; | |
4397 | goto out; | |
4398 | } | |
4399 | tmpbuf[len] = '\0'; | |
4400 | ||
36cdd013 | 4401 | ret = display_crc_ctl_parse(dev_priv, tmpbuf, len); |
926321d5 DV |
4402 | |
4403 | out: | |
4404 | kfree(tmpbuf); | |
4405 | if (ret < 0) | |
4406 | return ret; | |
4407 | ||
4408 | *offp += len; | |
4409 | return len; | |
4410 | } | |
4411 | ||
bd9db02f | 4412 | static const struct file_operations i915_display_crc_ctl_fops = { |
926321d5 | 4413 | .owner = THIS_MODULE, |
bd9db02f | 4414 | .open = display_crc_ctl_open, |
926321d5 DV |
4415 | .read = seq_read, |
4416 | .llseek = seq_lseek, | |
4417 | .release = single_release, | |
bd9db02f | 4418 | .write = display_crc_ctl_write |
926321d5 DV |
4419 | }; |
4420 | ||
eb3394fa | 4421 | static ssize_t i915_displayport_test_active_write(struct file *file, |
36cdd013 DW |
4422 | const char __user *ubuf, |
4423 | size_t len, loff_t *offp) | |
eb3394fa TP |
4424 | { |
4425 | char *input_buffer; | |
4426 | int status = 0; | |
eb3394fa TP |
4427 | struct drm_device *dev; |
4428 | struct drm_connector *connector; | |
4429 | struct list_head *connector_list; | |
4430 | struct intel_dp *intel_dp; | |
4431 | int val = 0; | |
4432 | ||
9aaffa34 | 4433 | dev = ((struct seq_file *)file->private_data)->private; |
eb3394fa | 4434 | |
eb3394fa TP |
4435 | connector_list = &dev->mode_config.connector_list; |
4436 | ||
4437 | if (len == 0) | |
4438 | return 0; | |
4439 | ||
4440 | input_buffer = kmalloc(len + 1, GFP_KERNEL); | |
4441 | if (!input_buffer) | |
4442 | return -ENOMEM; | |
4443 | ||
4444 | if (copy_from_user(input_buffer, ubuf, len)) { | |
4445 | status = -EFAULT; | |
4446 | goto out; | |
4447 | } | |
4448 | ||
4449 | input_buffer[len] = '\0'; | |
4450 | DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len); | |
4451 | ||
4452 | list_for_each_entry(connector, connector_list, head) { | |
eb3394fa TP |
4453 | if (connector->connector_type != |
4454 | DRM_MODE_CONNECTOR_DisplayPort) | |
4455 | continue; | |
4456 | ||
b8bb08ec | 4457 | if (connector->status == connector_status_connected && |
eb3394fa TP |
4458 | connector->encoder != NULL) { |
4459 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4460 | status = kstrtoint(input_buffer, 10, &val); | |
4461 | if (status < 0) | |
4462 | goto out; | |
4463 | DRM_DEBUG_DRIVER("Got %d for test active\n", val); | |
4464 | /* To prevent erroneous activation of the compliance | |
4465 | * testing code, only accept an actual value of 1 here | |
4466 | */ | |
4467 | if (val == 1) | |
4468 | intel_dp->compliance_test_active = 1; | |
4469 | else | |
4470 | intel_dp->compliance_test_active = 0; | |
4471 | } | |
4472 | } | |
4473 | out: | |
4474 | kfree(input_buffer); | |
4475 | if (status < 0) | |
4476 | return status; | |
4477 | ||
4478 | *offp += len; | |
4479 | return len; | |
4480 | } | |
4481 | ||
4482 | static int i915_displayport_test_active_show(struct seq_file *m, void *data) | |
4483 | { | |
4484 | struct drm_device *dev = m->private; | |
4485 | struct drm_connector *connector; | |
4486 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4487 | struct intel_dp *intel_dp; | |
4488 | ||
eb3394fa | 4489 | list_for_each_entry(connector, connector_list, head) { |
eb3394fa TP |
4490 | if (connector->connector_type != |
4491 | DRM_MODE_CONNECTOR_DisplayPort) | |
4492 | continue; | |
4493 | ||
4494 | if (connector->status == connector_status_connected && | |
4495 | connector->encoder != NULL) { | |
4496 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4497 | if (intel_dp->compliance_test_active) | |
4498 | seq_puts(m, "1"); | |
4499 | else | |
4500 | seq_puts(m, "0"); | |
4501 | } else | |
4502 | seq_puts(m, "0"); | |
4503 | } | |
4504 | ||
4505 | return 0; | |
4506 | } | |
4507 | ||
4508 | static int i915_displayport_test_active_open(struct inode *inode, | |
36cdd013 | 4509 | struct file *file) |
eb3394fa | 4510 | { |
36cdd013 | 4511 | struct drm_i915_private *dev_priv = inode->i_private; |
eb3394fa | 4512 | |
36cdd013 DW |
4513 | return single_open(file, i915_displayport_test_active_show, |
4514 | &dev_priv->drm); | |
eb3394fa TP |
4515 | } |
4516 | ||
4517 | static const struct file_operations i915_displayport_test_active_fops = { | |
4518 | .owner = THIS_MODULE, | |
4519 | .open = i915_displayport_test_active_open, | |
4520 | .read = seq_read, | |
4521 | .llseek = seq_lseek, | |
4522 | .release = single_release, | |
4523 | .write = i915_displayport_test_active_write | |
4524 | }; | |
4525 | ||
4526 | static int i915_displayport_test_data_show(struct seq_file *m, void *data) | |
4527 | { | |
4528 | struct drm_device *dev = m->private; | |
4529 | struct drm_connector *connector; | |
4530 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4531 | struct intel_dp *intel_dp; | |
4532 | ||
eb3394fa | 4533 | list_for_each_entry(connector, connector_list, head) { |
eb3394fa TP |
4534 | if (connector->connector_type != |
4535 | DRM_MODE_CONNECTOR_DisplayPort) | |
4536 | continue; | |
4537 | ||
4538 | if (connector->status == connector_status_connected && | |
4539 | connector->encoder != NULL) { | |
4540 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4541 | seq_printf(m, "%lx", intel_dp->compliance_test_data); | |
4542 | } else | |
4543 | seq_puts(m, "0"); | |
4544 | } | |
4545 | ||
4546 | return 0; | |
4547 | } | |
4548 | static int i915_displayport_test_data_open(struct inode *inode, | |
36cdd013 | 4549 | struct file *file) |
eb3394fa | 4550 | { |
36cdd013 | 4551 | struct drm_i915_private *dev_priv = inode->i_private; |
eb3394fa | 4552 | |
36cdd013 DW |
4553 | return single_open(file, i915_displayport_test_data_show, |
4554 | &dev_priv->drm); | |
eb3394fa TP |
4555 | } |
4556 | ||
4557 | static const struct file_operations i915_displayport_test_data_fops = { | |
4558 | .owner = THIS_MODULE, | |
4559 | .open = i915_displayport_test_data_open, | |
4560 | .read = seq_read, | |
4561 | .llseek = seq_lseek, | |
4562 | .release = single_release | |
4563 | }; | |
4564 | ||
4565 | static int i915_displayport_test_type_show(struct seq_file *m, void *data) | |
4566 | { | |
4567 | struct drm_device *dev = m->private; | |
4568 | struct drm_connector *connector; | |
4569 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4570 | struct intel_dp *intel_dp; | |
4571 | ||
eb3394fa | 4572 | list_for_each_entry(connector, connector_list, head) { |
eb3394fa TP |
4573 | if (connector->connector_type != |
4574 | DRM_MODE_CONNECTOR_DisplayPort) | |
4575 | continue; | |
4576 | ||
4577 | if (connector->status == connector_status_connected && | |
4578 | connector->encoder != NULL) { | |
4579 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4580 | seq_printf(m, "%02lx", intel_dp->compliance_test_type); | |
4581 | } else | |
4582 | seq_puts(m, "0"); | |
4583 | } | |
4584 | ||
4585 | return 0; | |
4586 | } | |
4587 | ||
4588 | static int i915_displayport_test_type_open(struct inode *inode, | |
4589 | struct file *file) | |
4590 | { | |
36cdd013 | 4591 | struct drm_i915_private *dev_priv = inode->i_private; |
eb3394fa | 4592 | |
36cdd013 DW |
4593 | return single_open(file, i915_displayport_test_type_show, |
4594 | &dev_priv->drm); | |
eb3394fa TP |
4595 | } |
4596 | ||
4597 | static const struct file_operations i915_displayport_test_type_fops = { | |
4598 | .owner = THIS_MODULE, | |
4599 | .open = i915_displayport_test_type_open, | |
4600 | .read = seq_read, | |
4601 | .llseek = seq_lseek, | |
4602 | .release = single_release | |
4603 | }; | |
4604 | ||
97e94b22 | 4605 | static void wm_latency_show(struct seq_file *m, const uint16_t wm[8]) |
369a1342 | 4606 | { |
36cdd013 DW |
4607 | struct drm_i915_private *dev_priv = m->private; |
4608 | struct drm_device *dev = &dev_priv->drm; | |
369a1342 | 4609 | int level; |
de38b95c VS |
4610 | int num_levels; |
4611 | ||
36cdd013 | 4612 | if (IS_CHERRYVIEW(dev_priv)) |
de38b95c | 4613 | num_levels = 3; |
36cdd013 | 4614 | else if (IS_VALLEYVIEW(dev_priv)) |
de38b95c VS |
4615 | num_levels = 1; |
4616 | else | |
5db94019 | 4617 | num_levels = ilk_wm_max_level(dev_priv) + 1; |
369a1342 VS |
4618 | |
4619 | drm_modeset_lock_all(dev); | |
4620 | ||
4621 | for (level = 0; level < num_levels; level++) { | |
4622 | unsigned int latency = wm[level]; | |
4623 | ||
97e94b22 DL |
4624 | /* |
4625 | * - WM1+ latency values in 0.5us units | |
de38b95c | 4626 | * - latencies are in us on gen9/vlv/chv |
97e94b22 | 4627 | */ |
36cdd013 DW |
4628 | if (INTEL_GEN(dev_priv) >= 9 || IS_VALLEYVIEW(dev_priv) || |
4629 | IS_CHERRYVIEW(dev_priv)) | |
97e94b22 DL |
4630 | latency *= 10; |
4631 | else if (level > 0) | |
369a1342 VS |
4632 | latency *= 5; |
4633 | ||
4634 | seq_printf(m, "WM%d %u (%u.%u usec)\n", | |
97e94b22 | 4635 | level, wm[level], latency / 10, latency % 10); |
369a1342 VS |
4636 | } |
4637 | ||
4638 | drm_modeset_unlock_all(dev); | |
4639 | } | |
4640 | ||
4641 | static int pri_wm_latency_show(struct seq_file *m, void *data) | |
4642 | { | |
36cdd013 | 4643 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4644 | const uint16_t *latencies; |
4645 | ||
36cdd013 | 4646 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4647 | latencies = dev_priv->wm.skl_latency; |
4648 | else | |
36cdd013 | 4649 | latencies = dev_priv->wm.pri_latency; |
369a1342 | 4650 | |
97e94b22 | 4651 | wm_latency_show(m, latencies); |
369a1342 VS |
4652 | |
4653 | return 0; | |
4654 | } | |
4655 | ||
4656 | static int spr_wm_latency_show(struct seq_file *m, void *data) | |
4657 | { | |
36cdd013 | 4658 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4659 | const uint16_t *latencies; |
4660 | ||
36cdd013 | 4661 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4662 | latencies = dev_priv->wm.skl_latency; |
4663 | else | |
36cdd013 | 4664 | latencies = dev_priv->wm.spr_latency; |
369a1342 | 4665 | |
97e94b22 | 4666 | wm_latency_show(m, latencies); |
369a1342 VS |
4667 | |
4668 | return 0; | |
4669 | } | |
4670 | ||
4671 | static int cur_wm_latency_show(struct seq_file *m, void *data) | |
4672 | { | |
36cdd013 | 4673 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4674 | const uint16_t *latencies; |
4675 | ||
36cdd013 | 4676 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4677 | latencies = dev_priv->wm.skl_latency; |
4678 | else | |
36cdd013 | 4679 | latencies = dev_priv->wm.cur_latency; |
369a1342 | 4680 | |
97e94b22 | 4681 | wm_latency_show(m, latencies); |
369a1342 VS |
4682 | |
4683 | return 0; | |
4684 | } | |
4685 | ||
4686 | static int pri_wm_latency_open(struct inode *inode, struct file *file) | |
4687 | { | |
36cdd013 | 4688 | struct drm_i915_private *dev_priv = inode->i_private; |
369a1342 | 4689 | |
36cdd013 | 4690 | if (INTEL_GEN(dev_priv) < 5) |
369a1342 VS |
4691 | return -ENODEV; |
4692 | ||
36cdd013 | 4693 | return single_open(file, pri_wm_latency_show, dev_priv); |
369a1342 VS |
4694 | } |
4695 | ||
4696 | static int spr_wm_latency_open(struct inode *inode, struct file *file) | |
4697 | { | |
36cdd013 | 4698 | struct drm_i915_private *dev_priv = inode->i_private; |
369a1342 | 4699 | |
36cdd013 | 4700 | if (HAS_GMCH_DISPLAY(dev_priv)) |
369a1342 VS |
4701 | return -ENODEV; |
4702 | ||
36cdd013 | 4703 | return single_open(file, spr_wm_latency_show, dev_priv); |
369a1342 VS |
4704 | } |
4705 | ||
4706 | static int cur_wm_latency_open(struct inode *inode, struct file *file) | |
4707 | { | |
36cdd013 | 4708 | struct drm_i915_private *dev_priv = inode->i_private; |
369a1342 | 4709 | |
36cdd013 | 4710 | if (HAS_GMCH_DISPLAY(dev_priv)) |
369a1342 VS |
4711 | return -ENODEV; |
4712 | ||
36cdd013 | 4713 | return single_open(file, cur_wm_latency_show, dev_priv); |
369a1342 VS |
4714 | } |
4715 | ||
4716 | static ssize_t wm_latency_write(struct file *file, const char __user *ubuf, | |
97e94b22 | 4717 | size_t len, loff_t *offp, uint16_t wm[8]) |
369a1342 VS |
4718 | { |
4719 | struct seq_file *m = file->private_data; | |
36cdd013 DW |
4720 | struct drm_i915_private *dev_priv = m->private; |
4721 | struct drm_device *dev = &dev_priv->drm; | |
97e94b22 | 4722 | uint16_t new[8] = { 0 }; |
de38b95c | 4723 | int num_levels; |
369a1342 VS |
4724 | int level; |
4725 | int ret; | |
4726 | char tmp[32]; | |
4727 | ||
36cdd013 | 4728 | if (IS_CHERRYVIEW(dev_priv)) |
de38b95c | 4729 | num_levels = 3; |
36cdd013 | 4730 | else if (IS_VALLEYVIEW(dev_priv)) |
de38b95c VS |
4731 | num_levels = 1; |
4732 | else | |
5db94019 | 4733 | num_levels = ilk_wm_max_level(dev_priv) + 1; |
de38b95c | 4734 | |
369a1342 VS |
4735 | if (len >= sizeof(tmp)) |
4736 | return -EINVAL; | |
4737 | ||
4738 | if (copy_from_user(tmp, ubuf, len)) | |
4739 | return -EFAULT; | |
4740 | ||
4741 | tmp[len] = '\0'; | |
4742 | ||
97e94b22 DL |
4743 | ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu", |
4744 | &new[0], &new[1], &new[2], &new[3], | |
4745 | &new[4], &new[5], &new[6], &new[7]); | |
369a1342 VS |
4746 | if (ret != num_levels) |
4747 | return -EINVAL; | |
4748 | ||
4749 | drm_modeset_lock_all(dev); | |
4750 | ||
4751 | for (level = 0; level < num_levels; level++) | |
4752 | wm[level] = new[level]; | |
4753 | ||
4754 | drm_modeset_unlock_all(dev); | |
4755 | ||
4756 | return len; | |
4757 | } | |
4758 | ||
4759 | ||
4760 | static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf, | |
4761 | size_t len, loff_t *offp) | |
4762 | { | |
4763 | struct seq_file *m = file->private_data; | |
36cdd013 | 4764 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 | 4765 | uint16_t *latencies; |
369a1342 | 4766 | |
36cdd013 | 4767 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4768 | latencies = dev_priv->wm.skl_latency; |
4769 | else | |
36cdd013 | 4770 | latencies = dev_priv->wm.pri_latency; |
97e94b22 DL |
4771 | |
4772 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
4773 | } |
4774 | ||
4775 | static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf, | |
4776 | size_t len, loff_t *offp) | |
4777 | { | |
4778 | struct seq_file *m = file->private_data; | |
36cdd013 | 4779 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 | 4780 | uint16_t *latencies; |
369a1342 | 4781 | |
36cdd013 | 4782 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4783 | latencies = dev_priv->wm.skl_latency; |
4784 | else | |
36cdd013 | 4785 | latencies = dev_priv->wm.spr_latency; |
97e94b22 DL |
4786 | |
4787 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
4788 | } |
4789 | ||
4790 | static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf, | |
4791 | size_t len, loff_t *offp) | |
4792 | { | |
4793 | struct seq_file *m = file->private_data; | |
36cdd013 | 4794 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4795 | uint16_t *latencies; |
4796 | ||
36cdd013 | 4797 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4798 | latencies = dev_priv->wm.skl_latency; |
4799 | else | |
36cdd013 | 4800 | latencies = dev_priv->wm.cur_latency; |
369a1342 | 4801 | |
97e94b22 | 4802 | return wm_latency_write(file, ubuf, len, offp, latencies); |
369a1342 VS |
4803 | } |
4804 | ||
4805 | static const struct file_operations i915_pri_wm_latency_fops = { | |
4806 | .owner = THIS_MODULE, | |
4807 | .open = pri_wm_latency_open, | |
4808 | .read = seq_read, | |
4809 | .llseek = seq_lseek, | |
4810 | .release = single_release, | |
4811 | .write = pri_wm_latency_write | |
4812 | }; | |
4813 | ||
4814 | static const struct file_operations i915_spr_wm_latency_fops = { | |
4815 | .owner = THIS_MODULE, | |
4816 | .open = spr_wm_latency_open, | |
4817 | .read = seq_read, | |
4818 | .llseek = seq_lseek, | |
4819 | .release = single_release, | |
4820 | .write = spr_wm_latency_write | |
4821 | }; | |
4822 | ||
4823 | static const struct file_operations i915_cur_wm_latency_fops = { | |
4824 | .owner = THIS_MODULE, | |
4825 | .open = cur_wm_latency_open, | |
4826 | .read = seq_read, | |
4827 | .llseek = seq_lseek, | |
4828 | .release = single_release, | |
4829 | .write = cur_wm_latency_write | |
4830 | }; | |
4831 | ||
647416f9 KC |
4832 | static int |
4833 | i915_wedged_get(void *data, u64 *val) | |
f3cd474b | 4834 | { |
36cdd013 | 4835 | struct drm_i915_private *dev_priv = data; |
f3cd474b | 4836 | |
d98c52cf | 4837 | *val = i915_terminally_wedged(&dev_priv->gpu_error); |
f3cd474b | 4838 | |
647416f9 | 4839 | return 0; |
f3cd474b CW |
4840 | } |
4841 | ||
647416f9 KC |
4842 | static int |
4843 | i915_wedged_set(void *data, u64 val) | |
f3cd474b | 4844 | { |
36cdd013 | 4845 | struct drm_i915_private *dev_priv = data; |
d46c0517 | 4846 | |
b8d24a06 MK |
4847 | /* |
4848 | * There is no safeguard against this debugfs entry colliding | |
4849 | * with the hangcheck calling same i915_handle_error() in | |
4850 | * parallel, causing an explosion. For now we assume that the | |
4851 | * test harness is responsible enough not to inject gpu hangs | |
4852 | * while it is writing to 'i915_wedged' | |
4853 | */ | |
4854 | ||
d98c52cf | 4855 | if (i915_reset_in_progress(&dev_priv->gpu_error)) |
b8d24a06 MK |
4856 | return -EAGAIN; |
4857 | ||
c033666a | 4858 | i915_handle_error(dev_priv, val, |
58174462 | 4859 | "Manually setting wedged to %llu", val); |
d46c0517 | 4860 | |
647416f9 | 4861 | return 0; |
f3cd474b CW |
4862 | } |
4863 | ||
647416f9 KC |
4864 | DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, |
4865 | i915_wedged_get, i915_wedged_set, | |
3a3b4f98 | 4866 | "%llu\n"); |
f3cd474b | 4867 | |
094f9a54 CW |
4868 | static int |
4869 | i915_ring_missed_irq_get(void *data, u64 *val) | |
4870 | { | |
36cdd013 | 4871 | struct drm_i915_private *dev_priv = data; |
094f9a54 CW |
4872 | |
4873 | *val = dev_priv->gpu_error.missed_irq_rings; | |
4874 | return 0; | |
4875 | } | |
4876 | ||
4877 | static int | |
4878 | i915_ring_missed_irq_set(void *data, u64 val) | |
4879 | { | |
36cdd013 DW |
4880 | struct drm_i915_private *dev_priv = data; |
4881 | struct drm_device *dev = &dev_priv->drm; | |
094f9a54 CW |
4882 | int ret; |
4883 | ||
4884 | /* Lock against concurrent debugfs callers */ | |
4885 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4886 | if (ret) | |
4887 | return ret; | |
4888 | dev_priv->gpu_error.missed_irq_rings = val; | |
4889 | mutex_unlock(&dev->struct_mutex); | |
4890 | ||
4891 | return 0; | |
4892 | } | |
4893 | ||
4894 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops, | |
4895 | i915_ring_missed_irq_get, i915_ring_missed_irq_set, | |
4896 | "0x%08llx\n"); | |
4897 | ||
4898 | static int | |
4899 | i915_ring_test_irq_get(void *data, u64 *val) | |
4900 | { | |
36cdd013 | 4901 | struct drm_i915_private *dev_priv = data; |
094f9a54 CW |
4902 | |
4903 | *val = dev_priv->gpu_error.test_irq_rings; | |
4904 | ||
4905 | return 0; | |
4906 | } | |
4907 | ||
4908 | static int | |
4909 | i915_ring_test_irq_set(void *data, u64 val) | |
4910 | { | |
36cdd013 | 4911 | struct drm_i915_private *dev_priv = data; |
094f9a54 | 4912 | |
3a122c27 | 4913 | val &= INTEL_INFO(dev_priv)->ring_mask; |
094f9a54 | 4914 | DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val); |
094f9a54 | 4915 | dev_priv->gpu_error.test_irq_rings = val; |
094f9a54 CW |
4916 | |
4917 | return 0; | |
4918 | } | |
4919 | ||
4920 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, | |
4921 | i915_ring_test_irq_get, i915_ring_test_irq_set, | |
4922 | "0x%08llx\n"); | |
4923 | ||
dd624afd CW |
4924 | #define DROP_UNBOUND 0x1 |
4925 | #define DROP_BOUND 0x2 | |
4926 | #define DROP_RETIRE 0x4 | |
4927 | #define DROP_ACTIVE 0x8 | |
fbbd37b3 CW |
4928 | #define DROP_FREED 0x10 |
4929 | #define DROP_ALL (DROP_UNBOUND | \ | |
4930 | DROP_BOUND | \ | |
4931 | DROP_RETIRE | \ | |
4932 | DROP_ACTIVE | \ | |
4933 | DROP_FREED) | |
647416f9 KC |
4934 | static int |
4935 | i915_drop_caches_get(void *data, u64 *val) | |
dd624afd | 4936 | { |
647416f9 | 4937 | *val = DROP_ALL; |
dd624afd | 4938 | |
647416f9 | 4939 | return 0; |
dd624afd CW |
4940 | } |
4941 | ||
647416f9 KC |
4942 | static int |
4943 | i915_drop_caches_set(void *data, u64 val) | |
dd624afd | 4944 | { |
36cdd013 DW |
4945 | struct drm_i915_private *dev_priv = data; |
4946 | struct drm_device *dev = &dev_priv->drm; | |
647416f9 | 4947 | int ret; |
dd624afd | 4948 | |
2f9fe5ff | 4949 | DRM_DEBUG("Dropping caches: 0x%08llx\n", val); |
dd624afd CW |
4950 | |
4951 | /* No need to check and wait for gpu resets, only libdrm auto-restarts | |
4952 | * on ioctls on -EAGAIN. */ | |
4953 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4954 | if (ret) | |
4955 | return ret; | |
4956 | ||
4957 | if (val & DROP_ACTIVE) { | |
22dd3bb9 CW |
4958 | ret = i915_gem_wait_for_idle(dev_priv, |
4959 | I915_WAIT_INTERRUPTIBLE | | |
4960 | I915_WAIT_LOCKED); | |
dd624afd CW |
4961 | if (ret) |
4962 | goto unlock; | |
4963 | } | |
4964 | ||
4965 | if (val & (DROP_RETIRE | DROP_ACTIVE)) | |
c033666a | 4966 | i915_gem_retire_requests(dev_priv); |
dd624afd | 4967 | |
21ab4e74 CW |
4968 | if (val & DROP_BOUND) |
4969 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND); | |
4ad72b7f | 4970 | |
21ab4e74 CW |
4971 | if (val & DROP_UNBOUND) |
4972 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); | |
dd624afd CW |
4973 | |
4974 | unlock: | |
4975 | mutex_unlock(&dev->struct_mutex); | |
4976 | ||
fbbd37b3 CW |
4977 | if (val & DROP_FREED) { |
4978 | synchronize_rcu(); | |
4979 | flush_work(&dev_priv->mm.free_work); | |
4980 | } | |
4981 | ||
647416f9 | 4982 | return ret; |
dd624afd CW |
4983 | } |
4984 | ||
647416f9 KC |
4985 | DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, |
4986 | i915_drop_caches_get, i915_drop_caches_set, | |
4987 | "0x%08llx\n"); | |
dd624afd | 4988 | |
647416f9 KC |
4989 | static int |
4990 | i915_max_freq_get(void *data, u64 *val) | |
358733e9 | 4991 | { |
36cdd013 | 4992 | struct drm_i915_private *dev_priv = data; |
004777cb | 4993 | |
36cdd013 | 4994 | if (INTEL_GEN(dev_priv) < 6) |
004777cb DV |
4995 | return -ENODEV; |
4996 | ||
7c59a9c1 | 4997 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit); |
647416f9 | 4998 | return 0; |
358733e9 JB |
4999 | } |
5000 | ||
647416f9 KC |
5001 | static int |
5002 | i915_max_freq_set(void *data, u64 val) | |
358733e9 | 5003 | { |
36cdd013 | 5004 | struct drm_i915_private *dev_priv = data; |
bc4d91f6 | 5005 | u32 hw_max, hw_min; |
647416f9 | 5006 | int ret; |
004777cb | 5007 | |
36cdd013 | 5008 | if (INTEL_GEN(dev_priv) < 6) |
004777cb | 5009 | return -ENODEV; |
358733e9 | 5010 | |
647416f9 | 5011 | DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val); |
358733e9 | 5012 | |
4fc688ce | 5013 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
5014 | if (ret) |
5015 | return ret; | |
5016 | ||
358733e9 JB |
5017 | /* |
5018 | * Turbo will still be enabled, but won't go above the set value. | |
5019 | */ | |
bc4d91f6 | 5020 | val = intel_freq_opcode(dev_priv, val); |
dd0a1aa1 | 5021 | |
bc4d91f6 AG |
5022 | hw_max = dev_priv->rps.max_freq; |
5023 | hw_min = dev_priv->rps.min_freq; | |
dd0a1aa1 | 5024 | |
b39fb297 | 5025 | if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { |
dd0a1aa1 JM |
5026 | mutex_unlock(&dev_priv->rps.hw_lock); |
5027 | return -EINVAL; | |
0a073b84 JB |
5028 | } |
5029 | ||
b39fb297 | 5030 | dev_priv->rps.max_freq_softlimit = val; |
dd0a1aa1 | 5031 | |
dc97997a | 5032 | intel_set_rps(dev_priv, val); |
dd0a1aa1 | 5033 | |
4fc688ce | 5034 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 5035 | |
647416f9 | 5036 | return 0; |
358733e9 JB |
5037 | } |
5038 | ||
647416f9 KC |
5039 | DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops, |
5040 | i915_max_freq_get, i915_max_freq_set, | |
3a3b4f98 | 5041 | "%llu\n"); |
358733e9 | 5042 | |
647416f9 KC |
5043 | static int |
5044 | i915_min_freq_get(void *data, u64 *val) | |
1523c310 | 5045 | { |
36cdd013 | 5046 | struct drm_i915_private *dev_priv = data; |
004777cb | 5047 | |
62e1baa1 | 5048 | if (INTEL_GEN(dev_priv) < 6) |
004777cb DV |
5049 | return -ENODEV; |
5050 | ||
7c59a9c1 | 5051 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit); |
647416f9 | 5052 | return 0; |
1523c310 JB |
5053 | } |
5054 | ||
647416f9 KC |
5055 | static int |
5056 | i915_min_freq_set(void *data, u64 val) | |
1523c310 | 5057 | { |
36cdd013 | 5058 | struct drm_i915_private *dev_priv = data; |
bc4d91f6 | 5059 | u32 hw_max, hw_min; |
647416f9 | 5060 | int ret; |
004777cb | 5061 | |
62e1baa1 | 5062 | if (INTEL_GEN(dev_priv) < 6) |
004777cb | 5063 | return -ENODEV; |
1523c310 | 5064 | |
647416f9 | 5065 | DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val); |
1523c310 | 5066 | |
4fc688ce | 5067 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
5068 | if (ret) |
5069 | return ret; | |
5070 | ||
1523c310 JB |
5071 | /* |
5072 | * Turbo will still be enabled, but won't go below the set value. | |
5073 | */ | |
bc4d91f6 | 5074 | val = intel_freq_opcode(dev_priv, val); |
dd0a1aa1 | 5075 | |
bc4d91f6 AG |
5076 | hw_max = dev_priv->rps.max_freq; |
5077 | hw_min = dev_priv->rps.min_freq; | |
dd0a1aa1 | 5078 | |
36cdd013 DW |
5079 | if (val < hw_min || |
5080 | val > hw_max || val > dev_priv->rps.max_freq_softlimit) { | |
dd0a1aa1 JM |
5081 | mutex_unlock(&dev_priv->rps.hw_lock); |
5082 | return -EINVAL; | |
0a073b84 | 5083 | } |
dd0a1aa1 | 5084 | |
b39fb297 | 5085 | dev_priv->rps.min_freq_softlimit = val; |
dd0a1aa1 | 5086 | |
dc97997a | 5087 | intel_set_rps(dev_priv, val); |
dd0a1aa1 | 5088 | |
4fc688ce | 5089 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 5090 | |
647416f9 | 5091 | return 0; |
1523c310 JB |
5092 | } |
5093 | ||
647416f9 KC |
5094 | DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops, |
5095 | i915_min_freq_get, i915_min_freq_set, | |
3a3b4f98 | 5096 | "%llu\n"); |
1523c310 | 5097 | |
647416f9 KC |
5098 | static int |
5099 | i915_cache_sharing_get(void *data, u64 *val) | |
07b7ddd9 | 5100 | { |
36cdd013 | 5101 | struct drm_i915_private *dev_priv = data; |
07b7ddd9 | 5102 | u32 snpcr; |
07b7ddd9 | 5103 | |
36cdd013 | 5104 | if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) |
004777cb DV |
5105 | return -ENODEV; |
5106 | ||
c8c8fb33 | 5107 | intel_runtime_pm_get(dev_priv); |
22bcfc6a | 5108 | |
07b7ddd9 | 5109 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); |
c8c8fb33 PZ |
5110 | |
5111 | intel_runtime_pm_put(dev_priv); | |
07b7ddd9 | 5112 | |
647416f9 | 5113 | *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; |
07b7ddd9 | 5114 | |
647416f9 | 5115 | return 0; |
07b7ddd9 JB |
5116 | } |
5117 | ||
647416f9 KC |
5118 | static int |
5119 | i915_cache_sharing_set(void *data, u64 val) | |
07b7ddd9 | 5120 | { |
36cdd013 | 5121 | struct drm_i915_private *dev_priv = data; |
07b7ddd9 | 5122 | u32 snpcr; |
07b7ddd9 | 5123 | |
36cdd013 | 5124 | if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) |
004777cb DV |
5125 | return -ENODEV; |
5126 | ||
647416f9 | 5127 | if (val > 3) |
07b7ddd9 JB |
5128 | return -EINVAL; |
5129 | ||
c8c8fb33 | 5130 | intel_runtime_pm_get(dev_priv); |
647416f9 | 5131 | DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val); |
07b7ddd9 JB |
5132 | |
5133 | /* Update the cache sharing policy here as well */ | |
5134 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); | |
5135 | snpcr &= ~GEN6_MBC_SNPCR_MASK; | |
5136 | snpcr |= (val << GEN6_MBC_SNPCR_SHIFT); | |
5137 | I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); | |
5138 | ||
c8c8fb33 | 5139 | intel_runtime_pm_put(dev_priv); |
647416f9 | 5140 | return 0; |
07b7ddd9 JB |
5141 | } |
5142 | ||
647416f9 KC |
5143 | DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, |
5144 | i915_cache_sharing_get, i915_cache_sharing_set, | |
5145 | "%llu\n"); | |
07b7ddd9 | 5146 | |
36cdd013 | 5147 | static void cherryview_sseu_device_status(struct drm_i915_private *dev_priv, |
915490d5 | 5148 | struct sseu_dev_info *sseu) |
5d39525a | 5149 | { |
0a0b457f | 5150 | int ss_max = 2; |
5d39525a JM |
5151 | int ss; |
5152 | u32 sig1[ss_max], sig2[ss_max]; | |
5153 | ||
5154 | sig1[0] = I915_READ(CHV_POWER_SS0_SIG1); | |
5155 | sig1[1] = I915_READ(CHV_POWER_SS1_SIG1); | |
5156 | sig2[0] = I915_READ(CHV_POWER_SS0_SIG2); | |
5157 | sig2[1] = I915_READ(CHV_POWER_SS1_SIG2); | |
5158 | ||
5159 | for (ss = 0; ss < ss_max; ss++) { | |
5160 | unsigned int eu_cnt; | |
5161 | ||
5162 | if (sig1[ss] & CHV_SS_PG_ENABLE) | |
5163 | /* skip disabled subslice */ | |
5164 | continue; | |
5165 | ||
f08a0c92 | 5166 | sseu->slice_mask = BIT(0); |
57ec171e | 5167 | sseu->subslice_mask |= BIT(ss); |
5d39525a JM |
5168 | eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) + |
5169 | ((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) + | |
5170 | ((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) + | |
5171 | ((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2); | |
915490d5 ID |
5172 | sseu->eu_total += eu_cnt; |
5173 | sseu->eu_per_subslice = max_t(unsigned int, | |
5174 | sseu->eu_per_subslice, eu_cnt); | |
5d39525a | 5175 | } |
5d39525a JM |
5176 | } |
5177 | ||
36cdd013 | 5178 | static void gen9_sseu_device_status(struct drm_i915_private *dev_priv, |
915490d5 | 5179 | struct sseu_dev_info *sseu) |
5d39525a | 5180 | { |
1c046bc1 | 5181 | int s_max = 3, ss_max = 4; |
5d39525a JM |
5182 | int s, ss; |
5183 | u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2]; | |
5184 | ||
1c046bc1 | 5185 | /* BXT has a single slice and at most 3 subslices. */ |
36cdd013 | 5186 | if (IS_BROXTON(dev_priv)) { |
1c046bc1 JM |
5187 | s_max = 1; |
5188 | ss_max = 3; | |
5189 | } | |
5190 | ||
5191 | for (s = 0; s < s_max; s++) { | |
5192 | s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s)); | |
5193 | eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s)); | |
5194 | eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s)); | |
5195 | } | |
5196 | ||
5d39525a JM |
5197 | eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK | |
5198 | GEN9_PGCTL_SSA_EU19_ACK | | |
5199 | GEN9_PGCTL_SSA_EU210_ACK | | |
5200 | GEN9_PGCTL_SSA_EU311_ACK; | |
5201 | eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK | | |
5202 | GEN9_PGCTL_SSB_EU19_ACK | | |
5203 | GEN9_PGCTL_SSB_EU210_ACK | | |
5204 | GEN9_PGCTL_SSB_EU311_ACK; | |
5205 | ||
5206 | for (s = 0; s < s_max; s++) { | |
5207 | if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0) | |
5208 | /* skip disabled slice */ | |
5209 | continue; | |
5210 | ||
f08a0c92 | 5211 | sseu->slice_mask |= BIT(s); |
1c046bc1 | 5212 | |
36cdd013 | 5213 | if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) |
57ec171e ID |
5214 | sseu->subslice_mask = |
5215 | INTEL_INFO(dev_priv)->sseu.subslice_mask; | |
1c046bc1 | 5216 | |
5d39525a JM |
5217 | for (ss = 0; ss < ss_max; ss++) { |
5218 | unsigned int eu_cnt; | |
5219 | ||
57ec171e ID |
5220 | if (IS_BROXTON(dev_priv)) { |
5221 | if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss)))) | |
5222 | /* skip disabled subslice */ | |
5223 | continue; | |
1c046bc1 | 5224 | |
57ec171e ID |
5225 | sseu->subslice_mask |= BIT(ss); |
5226 | } | |
1c046bc1 | 5227 | |
5d39525a JM |
5228 | eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] & |
5229 | eu_mask[ss%2]); | |
915490d5 ID |
5230 | sseu->eu_total += eu_cnt; |
5231 | sseu->eu_per_subslice = max_t(unsigned int, | |
5232 | sseu->eu_per_subslice, | |
5233 | eu_cnt); | |
5d39525a JM |
5234 | } |
5235 | } | |
5236 | } | |
5237 | ||
36cdd013 | 5238 | static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv, |
915490d5 | 5239 | struct sseu_dev_info *sseu) |
91bedd34 | 5240 | { |
91bedd34 | 5241 | u32 slice_info = I915_READ(GEN8_GT_SLICE_INFO); |
36cdd013 | 5242 | int s; |
91bedd34 | 5243 | |
f08a0c92 | 5244 | sseu->slice_mask = slice_info & GEN8_LSLICESTAT_MASK; |
91bedd34 | 5245 | |
f08a0c92 | 5246 | if (sseu->slice_mask) { |
57ec171e | 5247 | sseu->subslice_mask = INTEL_INFO(dev_priv)->sseu.subslice_mask; |
43b67998 ID |
5248 | sseu->eu_per_subslice = |
5249 | INTEL_INFO(dev_priv)->sseu.eu_per_subslice; | |
57ec171e ID |
5250 | sseu->eu_total = sseu->eu_per_subslice * |
5251 | sseu_subslice_total(sseu); | |
91bedd34 ŁD |
5252 | |
5253 | /* subtract fused off EU(s) from enabled slice(s) */ | |
795b38b3 | 5254 | for (s = 0; s < fls(sseu->slice_mask); s++) { |
43b67998 ID |
5255 | u8 subslice_7eu = |
5256 | INTEL_INFO(dev_priv)->sseu.subslice_7eu[s]; | |
91bedd34 | 5257 | |
915490d5 | 5258 | sseu->eu_total -= hweight8(subslice_7eu); |
91bedd34 ŁD |
5259 | } |
5260 | } | |
5261 | } | |
5262 | ||
615d8908 ID |
5263 | static void i915_print_sseu_info(struct seq_file *m, bool is_available_info, |
5264 | const struct sseu_dev_info *sseu) | |
5265 | { | |
5266 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
5267 | const char *type = is_available_info ? "Available" : "Enabled"; | |
5268 | ||
c67ba538 ID |
5269 | seq_printf(m, " %s Slice Mask: %04x\n", type, |
5270 | sseu->slice_mask); | |
615d8908 | 5271 | seq_printf(m, " %s Slice Total: %u\n", type, |
f08a0c92 | 5272 | hweight8(sseu->slice_mask)); |
615d8908 | 5273 | seq_printf(m, " %s Subslice Total: %u\n", type, |
57ec171e | 5274 | sseu_subslice_total(sseu)); |
c67ba538 ID |
5275 | seq_printf(m, " %s Subslice Mask: %04x\n", type, |
5276 | sseu->subslice_mask); | |
615d8908 | 5277 | seq_printf(m, " %s Subslice Per Slice: %u\n", type, |
57ec171e | 5278 | hweight8(sseu->subslice_mask)); |
615d8908 ID |
5279 | seq_printf(m, " %s EU Total: %u\n", type, |
5280 | sseu->eu_total); | |
5281 | seq_printf(m, " %s EU Per Subslice: %u\n", type, | |
5282 | sseu->eu_per_subslice); | |
5283 | ||
5284 | if (!is_available_info) | |
5285 | return; | |
5286 | ||
5287 | seq_printf(m, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev_priv))); | |
5288 | if (HAS_POOLED_EU(dev_priv)) | |
5289 | seq_printf(m, " Min EU in pool: %u\n", sseu->min_eu_in_pool); | |
5290 | ||
5291 | seq_printf(m, " Has Slice Power Gating: %s\n", | |
5292 | yesno(sseu->has_slice_pg)); | |
5293 | seq_printf(m, " Has Subslice Power Gating: %s\n", | |
5294 | yesno(sseu->has_subslice_pg)); | |
5295 | seq_printf(m, " Has EU Power Gating: %s\n", | |
5296 | yesno(sseu->has_eu_pg)); | |
5297 | } | |
5298 | ||
3873218f JM |
5299 | static int i915_sseu_status(struct seq_file *m, void *unused) |
5300 | { | |
36cdd013 | 5301 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
915490d5 | 5302 | struct sseu_dev_info sseu; |
3873218f | 5303 | |
36cdd013 | 5304 | if (INTEL_GEN(dev_priv) < 8) |
3873218f JM |
5305 | return -ENODEV; |
5306 | ||
5307 | seq_puts(m, "SSEU Device Info\n"); | |
615d8908 | 5308 | i915_print_sseu_info(m, true, &INTEL_INFO(dev_priv)->sseu); |
3873218f | 5309 | |
7f992aba | 5310 | seq_puts(m, "SSEU Device Status\n"); |
915490d5 | 5311 | memset(&sseu, 0, sizeof(sseu)); |
238010ed DW |
5312 | |
5313 | intel_runtime_pm_get(dev_priv); | |
5314 | ||
36cdd013 | 5315 | if (IS_CHERRYVIEW(dev_priv)) { |
915490d5 | 5316 | cherryview_sseu_device_status(dev_priv, &sseu); |
36cdd013 | 5317 | } else if (IS_BROADWELL(dev_priv)) { |
915490d5 | 5318 | broadwell_sseu_device_status(dev_priv, &sseu); |
36cdd013 | 5319 | } else if (INTEL_GEN(dev_priv) >= 9) { |
915490d5 | 5320 | gen9_sseu_device_status(dev_priv, &sseu); |
7f992aba | 5321 | } |
238010ed DW |
5322 | |
5323 | intel_runtime_pm_put(dev_priv); | |
5324 | ||
615d8908 | 5325 | i915_print_sseu_info(m, false, &sseu); |
7f992aba | 5326 | |
3873218f JM |
5327 | return 0; |
5328 | } | |
5329 | ||
6d794d42 BW |
5330 | static int i915_forcewake_open(struct inode *inode, struct file *file) |
5331 | { | |
36cdd013 | 5332 | struct drm_i915_private *dev_priv = inode->i_private; |
6d794d42 | 5333 | |
36cdd013 | 5334 | if (INTEL_GEN(dev_priv) < 6) |
6d794d42 BW |
5335 | return 0; |
5336 | ||
6daccb0b | 5337 | intel_runtime_pm_get(dev_priv); |
59bad947 | 5338 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
6d794d42 BW |
5339 | |
5340 | return 0; | |
5341 | } | |
5342 | ||
c43b5634 | 5343 | static int i915_forcewake_release(struct inode *inode, struct file *file) |
6d794d42 | 5344 | { |
36cdd013 | 5345 | struct drm_i915_private *dev_priv = inode->i_private; |
6d794d42 | 5346 | |
36cdd013 | 5347 | if (INTEL_GEN(dev_priv) < 6) |
6d794d42 BW |
5348 | return 0; |
5349 | ||
59bad947 | 5350 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
6daccb0b | 5351 | intel_runtime_pm_put(dev_priv); |
6d794d42 BW |
5352 | |
5353 | return 0; | |
5354 | } | |
5355 | ||
5356 | static const struct file_operations i915_forcewake_fops = { | |
5357 | .owner = THIS_MODULE, | |
5358 | .open = i915_forcewake_open, | |
5359 | .release = i915_forcewake_release, | |
5360 | }; | |
5361 | ||
5362 | static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor) | |
5363 | { | |
6d794d42 BW |
5364 | struct dentry *ent; |
5365 | ||
5366 | ent = debugfs_create_file("i915_forcewake_user", | |
8eb57294 | 5367 | S_IRUSR, |
36cdd013 | 5368 | root, to_i915(minor->dev), |
6d794d42 | 5369 | &i915_forcewake_fops); |
f3c5fe97 WY |
5370 | if (!ent) |
5371 | return -ENOMEM; | |
6d794d42 | 5372 | |
8eb57294 | 5373 | return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops); |
6d794d42 BW |
5374 | } |
5375 | ||
6a9c308d DV |
5376 | static int i915_debugfs_create(struct dentry *root, |
5377 | struct drm_minor *minor, | |
5378 | const char *name, | |
5379 | const struct file_operations *fops) | |
07b7ddd9 | 5380 | { |
07b7ddd9 JB |
5381 | struct dentry *ent; |
5382 | ||
6a9c308d | 5383 | ent = debugfs_create_file(name, |
07b7ddd9 | 5384 | S_IRUGO | S_IWUSR, |
36cdd013 | 5385 | root, to_i915(minor->dev), |
6a9c308d | 5386 | fops); |
f3c5fe97 WY |
5387 | if (!ent) |
5388 | return -ENOMEM; | |
07b7ddd9 | 5389 | |
6a9c308d | 5390 | return drm_add_fake_info_node(minor, ent, fops); |
07b7ddd9 JB |
5391 | } |
5392 | ||
06c5bf8c | 5393 | static const struct drm_info_list i915_debugfs_list[] = { |
311bd68e | 5394 | {"i915_capabilities", i915_capabilities, 0}, |
73aa808f | 5395 | {"i915_gem_objects", i915_gem_object_info, 0}, |
08c18323 | 5396 | {"i915_gem_gtt", i915_gem_gtt_info, 0}, |
6da84829 | 5397 | {"i915_gem_pin_display", i915_gem_gtt_info, 0, (void *)1}, |
6d2b8885 | 5398 | {"i915_gem_stolen", i915_gem_stolen_list_info }, |
4e5359cd | 5399 | {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, |
2017263e BG |
5400 | {"i915_gem_request", i915_gem_request_info, 0}, |
5401 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, | |
a6172a80 | 5402 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, |
2017263e | 5403 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
1ec14ad3 CW |
5404 | {"i915_gem_hws", i915_hws_info, 0, (void *)RCS}, |
5405 | {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS}, | |
5406 | {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS}, | |
9010ebfd | 5407 | {"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS}, |
493018dc | 5408 | {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0}, |
8b417c26 | 5409 | {"i915_guc_info", i915_guc_info, 0}, |
fdf5d357 | 5410 | {"i915_guc_load_status", i915_guc_load_status_info, 0}, |
4c7e77fc | 5411 | {"i915_guc_log_dump", i915_guc_log_dump, 0}, |
adb4bd12 | 5412 | {"i915_frequency_info", i915_frequency_info, 0}, |
f654449a | 5413 | {"i915_hangcheck_info", i915_hangcheck_info, 0}, |
f97108d1 | 5414 | {"i915_drpc_info", i915_drpc_info, 0}, |
7648fa99 | 5415 | {"i915_emon_status", i915_emon_status, 0}, |
23b2f8bb | 5416 | {"i915_ring_freq_table", i915_ring_freq_table, 0}, |
9a851789 | 5417 | {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0}, |
b5e50c3f | 5418 | {"i915_fbc_status", i915_fbc_status, 0}, |
92d44621 | 5419 | {"i915_ips_status", i915_ips_status, 0}, |
4a9bef37 | 5420 | {"i915_sr_status", i915_sr_status, 0}, |
44834a67 | 5421 | {"i915_opregion", i915_opregion, 0}, |
ada8f955 | 5422 | {"i915_vbt", i915_vbt, 0}, |
37811fcc | 5423 | {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, |
e76d3630 | 5424 | {"i915_context_status", i915_context_status, 0}, |
c0ab1ae9 | 5425 | {"i915_dump_lrc", i915_dump_lrc, 0}, |
f65367b5 | 5426 | {"i915_forcewake_domains", i915_forcewake_domains, 0}, |
ea16a3cd | 5427 | {"i915_swizzle_info", i915_swizzle_info, 0}, |
3cf17fc5 | 5428 | {"i915_ppgtt_info", i915_ppgtt_info, 0}, |
63573eb7 | 5429 | {"i915_llc", i915_llc, 0}, |
e91fd8c6 | 5430 | {"i915_edp_psr_status", i915_edp_psr_status, 0}, |
d2e216d0 | 5431 | {"i915_sink_crc_eDP1", i915_sink_crc, 0}, |
ec013e7f | 5432 | {"i915_energy_uJ", i915_energy_uJ, 0}, |
6455c870 | 5433 | {"i915_runtime_pm_status", i915_runtime_pm_status, 0}, |
1da51581 | 5434 | {"i915_power_domain_info", i915_power_domain_info, 0}, |
b7cec66d | 5435 | {"i915_dmc_info", i915_dmc_info, 0}, |
53f5e3ca | 5436 | {"i915_display_info", i915_display_info, 0}, |
1b36595f | 5437 | {"i915_engine_info", i915_engine_info, 0}, |
e04934cf | 5438 | {"i915_semaphore_status", i915_semaphore_status, 0}, |
728e29d7 | 5439 | {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, |
11bed958 | 5440 | {"i915_dp_mst_info", i915_dp_mst_info, 0}, |
1ed1ef9d | 5441 | {"i915_wa_registers", i915_wa_registers, 0}, |
c5511e44 | 5442 | {"i915_ddb_info", i915_ddb_info, 0}, |
3873218f | 5443 | {"i915_sseu_status", i915_sseu_status, 0}, |
a54746e3 | 5444 | {"i915_drrs_status", i915_drrs_status, 0}, |
1854d5ca | 5445 | {"i915_rps_boost_info", i915_rps_boost_info, 0}, |
2017263e | 5446 | }; |
27c202ad | 5447 | #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |
2017263e | 5448 | |
06c5bf8c | 5449 | static const struct i915_debugfs_files { |
34b9674c DV |
5450 | const char *name; |
5451 | const struct file_operations *fops; | |
5452 | } i915_debugfs_files[] = { | |
5453 | {"i915_wedged", &i915_wedged_fops}, | |
5454 | {"i915_max_freq", &i915_max_freq_fops}, | |
5455 | {"i915_min_freq", &i915_min_freq_fops}, | |
5456 | {"i915_cache_sharing", &i915_cache_sharing_fops}, | |
094f9a54 CW |
5457 | {"i915_ring_missed_irq", &i915_ring_missed_irq_fops}, |
5458 | {"i915_ring_test_irq", &i915_ring_test_irq_fops}, | |
34b9674c | 5459 | {"i915_gem_drop_caches", &i915_drop_caches_fops}, |
98a2f411 | 5460 | #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) |
34b9674c | 5461 | {"i915_error_state", &i915_error_state_fops}, |
98a2f411 | 5462 | #endif |
34b9674c | 5463 | {"i915_next_seqno", &i915_next_seqno_fops}, |
bd9db02f | 5464 | {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, |
369a1342 VS |
5465 | {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, |
5466 | {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, | |
5467 | {"i915_cur_wm_latency", &i915_cur_wm_latency_fops}, | |
da46f936 | 5468 | {"i915_fbc_false_color", &i915_fbc_fc_fops}, |
eb3394fa TP |
5469 | {"i915_dp_test_data", &i915_displayport_test_data_fops}, |
5470 | {"i915_dp_test_type", &i915_displayport_test_type_fops}, | |
685534ef SAK |
5471 | {"i915_dp_test_active", &i915_displayport_test_active_fops}, |
5472 | {"i915_guc_log_control", &i915_guc_log_control_fops} | |
34b9674c DV |
5473 | }; |
5474 | ||
36cdd013 | 5475 | void intel_display_crc_init(struct drm_i915_private *dev_priv) |
07144428 | 5476 | { |
b378360e | 5477 | enum pipe pipe; |
07144428 | 5478 | |
055e393f | 5479 | for_each_pipe(dev_priv, pipe) { |
b378360e | 5480 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
07144428 | 5481 | |
d538bbdf DL |
5482 | pipe_crc->opened = false; |
5483 | spin_lock_init(&pipe_crc->lock); | |
07144428 DL |
5484 | init_waitqueue_head(&pipe_crc->wq); |
5485 | } | |
5486 | } | |
5487 | ||
1dac891c | 5488 | int i915_debugfs_register(struct drm_i915_private *dev_priv) |
2017263e | 5489 | { |
91c8a326 | 5490 | struct drm_minor *minor = dev_priv->drm.primary; |
34b9674c | 5491 | int ret, i; |
f3cd474b | 5492 | |
6d794d42 | 5493 | ret = i915_forcewake_create(minor->debugfs_root, minor); |
358733e9 JB |
5494 | if (ret) |
5495 | return ret; | |
6a9c308d | 5496 | |
07144428 DL |
5497 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
5498 | ret = i915_pipe_crc_create(minor->debugfs_root, minor, i); | |
5499 | if (ret) | |
5500 | return ret; | |
5501 | } | |
5502 | ||
34b9674c DV |
5503 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
5504 | ret = i915_debugfs_create(minor->debugfs_root, minor, | |
5505 | i915_debugfs_files[i].name, | |
5506 | i915_debugfs_files[i].fops); | |
5507 | if (ret) | |
5508 | return ret; | |
5509 | } | |
40633219 | 5510 | |
27c202ad BG |
5511 | return drm_debugfs_create_files(i915_debugfs_list, |
5512 | I915_DEBUGFS_ENTRIES, | |
2017263e BG |
5513 | minor->debugfs_root, minor); |
5514 | } | |
5515 | ||
1dac891c | 5516 | void i915_debugfs_unregister(struct drm_i915_private *dev_priv) |
2017263e | 5517 | { |
91c8a326 | 5518 | struct drm_minor *minor = dev_priv->drm.primary; |
34b9674c DV |
5519 | int i; |
5520 | ||
27c202ad BG |
5521 | drm_debugfs_remove_files(i915_debugfs_list, |
5522 | I915_DEBUGFS_ENTRIES, minor); | |
07144428 | 5523 | |
36cdd013 | 5524 | drm_debugfs_remove_files((struct drm_info_list *)&i915_forcewake_fops, |
6d794d42 | 5525 | 1, minor); |
07144428 | 5526 | |
e309a997 | 5527 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
07144428 DL |
5528 | struct drm_info_list *info_list = |
5529 | (struct drm_info_list *)&i915_pipe_crc_data[i]; | |
5530 | ||
5531 | drm_debugfs_remove_files(info_list, 1, minor); | |
5532 | } | |
5533 | ||
34b9674c DV |
5534 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
5535 | struct drm_info_list *info_list = | |
36cdd013 | 5536 | (struct drm_info_list *)i915_debugfs_files[i].fops; |
34b9674c DV |
5537 | |
5538 | drm_debugfs_remove_files(info_list, 1, minor); | |
5539 | } | |
2017263e | 5540 | } |
aa7471d2 JN |
5541 | |
5542 | struct dpcd_block { | |
5543 | /* DPCD dump start address. */ | |
5544 | unsigned int offset; | |
5545 | /* DPCD dump end address, inclusive. If unset, .size will be used. */ | |
5546 | unsigned int end; | |
5547 | /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */ | |
5548 | size_t size; | |
5549 | /* Only valid for eDP. */ | |
5550 | bool edp; | |
5551 | }; | |
5552 | ||
5553 | static const struct dpcd_block i915_dpcd_debug[] = { | |
5554 | { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE }, | |
5555 | { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS }, | |
5556 | { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 }, | |
5557 | { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET }, | |
5558 | { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 }, | |
5559 | { .offset = DP_SET_POWER }, | |
5560 | { .offset = DP_EDP_DPCD_REV }, | |
5561 | { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 }, | |
5562 | { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB }, | |
5563 | { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET }, | |
5564 | }; | |
5565 | ||
5566 | static int i915_dpcd_show(struct seq_file *m, void *data) | |
5567 | { | |
5568 | struct drm_connector *connector = m->private; | |
5569 | struct intel_dp *intel_dp = | |
5570 | enc_to_intel_dp(&intel_attached_encoder(connector)->base); | |
5571 | uint8_t buf[16]; | |
5572 | ssize_t err; | |
5573 | int i; | |
5574 | ||
5c1a8875 MK |
5575 | if (connector->status != connector_status_connected) |
5576 | return -ENODEV; | |
5577 | ||
aa7471d2 JN |
5578 | for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) { |
5579 | const struct dpcd_block *b = &i915_dpcd_debug[i]; | |
5580 | size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1); | |
5581 | ||
5582 | if (b->edp && | |
5583 | connector->connector_type != DRM_MODE_CONNECTOR_eDP) | |
5584 | continue; | |
5585 | ||
5586 | /* low tech for now */ | |
5587 | if (WARN_ON(size > sizeof(buf))) | |
5588 | continue; | |
5589 | ||
5590 | err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size); | |
5591 | if (err <= 0) { | |
5592 | DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n", | |
5593 | size, b->offset, err); | |
5594 | continue; | |
5595 | } | |
5596 | ||
5597 | seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf); | |
b3f9d7d7 | 5598 | } |
aa7471d2 JN |
5599 | |
5600 | return 0; | |
5601 | } | |
5602 | ||
5603 | static int i915_dpcd_open(struct inode *inode, struct file *file) | |
5604 | { | |
5605 | return single_open(file, i915_dpcd_show, inode->i_private); | |
5606 | } | |
5607 | ||
5608 | static const struct file_operations i915_dpcd_fops = { | |
5609 | .owner = THIS_MODULE, | |
5610 | .open = i915_dpcd_open, | |
5611 | .read = seq_read, | |
5612 | .llseek = seq_lseek, | |
5613 | .release = single_release, | |
5614 | }; | |
5615 | ||
ecbd6781 DW |
5616 | static int i915_panel_show(struct seq_file *m, void *data) |
5617 | { | |
5618 | struct drm_connector *connector = m->private; | |
5619 | struct intel_dp *intel_dp = | |
5620 | enc_to_intel_dp(&intel_attached_encoder(connector)->base); | |
5621 | ||
5622 | if (connector->status != connector_status_connected) | |
5623 | return -ENODEV; | |
5624 | ||
5625 | seq_printf(m, "Panel power up delay: %d\n", | |
5626 | intel_dp->panel_power_up_delay); | |
5627 | seq_printf(m, "Panel power down delay: %d\n", | |
5628 | intel_dp->panel_power_down_delay); | |
5629 | seq_printf(m, "Backlight on delay: %d\n", | |
5630 | intel_dp->backlight_on_delay); | |
5631 | seq_printf(m, "Backlight off delay: %d\n", | |
5632 | intel_dp->backlight_off_delay); | |
5633 | ||
5634 | return 0; | |
5635 | } | |
5636 | ||
5637 | static int i915_panel_open(struct inode *inode, struct file *file) | |
5638 | { | |
5639 | return single_open(file, i915_panel_show, inode->i_private); | |
5640 | } | |
5641 | ||
5642 | static const struct file_operations i915_panel_fops = { | |
5643 | .owner = THIS_MODULE, | |
5644 | .open = i915_panel_open, | |
5645 | .read = seq_read, | |
5646 | .llseek = seq_lseek, | |
5647 | .release = single_release, | |
5648 | }; | |
5649 | ||
aa7471d2 JN |
5650 | /** |
5651 | * i915_debugfs_connector_add - add i915 specific connector debugfs files | |
5652 | * @connector: pointer to a registered drm_connector | |
5653 | * | |
5654 | * Cleanup will be done by drm_connector_unregister() through a call to | |
5655 | * drm_debugfs_connector_remove(). | |
5656 | * | |
5657 | * Returns 0 on success, negative error codes on error. | |
5658 | */ | |
5659 | int i915_debugfs_connector_add(struct drm_connector *connector) | |
5660 | { | |
5661 | struct dentry *root = connector->debugfs_entry; | |
5662 | ||
5663 | /* The connector must have been registered beforehands. */ | |
5664 | if (!root) | |
5665 | return -ENODEV; | |
5666 | ||
5667 | if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || | |
5668 | connector->connector_type == DRM_MODE_CONNECTOR_eDP) | |
ecbd6781 DW |
5669 | debugfs_create_file("i915_dpcd", S_IRUGO, root, |
5670 | connector, &i915_dpcd_fops); | |
5671 | ||
5672 | if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) | |
5673 | debugfs_create_file("i915_panel_timings", S_IRUGO, root, | |
5674 | connector, &i915_panel_fops); | |
aa7471d2 JN |
5675 | |
5676 | return 0; | |
5677 | } |