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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; | |
56cea323 | 220 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { |
6d2b8885 CW |
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 | } | |
56cea323 | 230 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { |
6d2b8885 CW |
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; | |
56cea323 | 393 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { |
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; |
56cea323 | 410 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { |
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; | |
56cea323 | 496 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { |
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) { | |
24327f83 | 550 | struct intel_engine_cs *engine = work->flip_queued_req->engine; |
5a21b665 | 551 | |
312c3c47 | 552 | seq_printf(m, "Flip queued on %s at seqno %x, last submitted seqno %x [current breadcrumb %x], completed? %d\n", |
5a21b665 | 553 | engine->name, |
24327f83 | 554 | work->flip_queued_req->global_seqno, |
312c3c47 | 555 | intel_engine_last_submit(engine), |
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 | { | |
20311bd3 | 634 | seq_printf(m, "%s%x [%x:%x] prio=%d @ %dms: %s\n", prefix, |
65e4760e | 635 | rq->global_seqno, rq->ctx->hw_id, rq->fence.seqno, |
20311bd3 | 636 | rq->priotree.priority, |
1b36595f | 637 | jiffies_to_msecs(jiffies - rq->emitted_jiffies), |
562f5d45 | 638 | rq->timeline->common->name); |
1b36595f CW |
639 | } |
640 | ||
2017263e BG |
641 | static int i915_gem_request_info(struct seq_file *m, void *data) |
642 | { | |
36cdd013 DW |
643 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
644 | struct drm_device *dev = &dev_priv->drm; | |
eed29a5b | 645 | struct drm_i915_gem_request *req; |
3b3f1650 AG |
646 | struct intel_engine_cs *engine; |
647 | enum intel_engine_id id; | |
b4ac5afc | 648 | int ret, any; |
de227ef0 CW |
649 | |
650 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
651 | if (ret) | |
652 | return ret; | |
2017263e | 653 | |
2d1070b2 | 654 | any = 0; |
3b3f1650 | 655 | for_each_engine(engine, dev_priv, id) { |
2d1070b2 CW |
656 | int count; |
657 | ||
658 | count = 0; | |
73cb9701 | 659 | list_for_each_entry(req, &engine->timeline->requests, link) |
2d1070b2 CW |
660 | count++; |
661 | if (count == 0) | |
a2c7f6fd CW |
662 | continue; |
663 | ||
e2f80391 | 664 | seq_printf(m, "%s requests: %d\n", engine->name, count); |
73cb9701 | 665 | list_for_each_entry(req, &engine->timeline->requests, link) |
1b36595f | 666 | print_request(m, req, " "); |
2d1070b2 CW |
667 | |
668 | any++; | |
2017263e | 669 | } |
de227ef0 CW |
670 | mutex_unlock(&dev->struct_mutex); |
671 | ||
2d1070b2 | 672 | if (any == 0) |
267f0c90 | 673 | seq_puts(m, "No requests\n"); |
c2c347a9 | 674 | |
2017263e BG |
675 | return 0; |
676 | } | |
677 | ||
b2223497 | 678 | static void i915_ring_seqno_info(struct seq_file *m, |
0bc40be8 | 679 | struct intel_engine_cs *engine) |
b2223497 | 680 | { |
688e6c72 CW |
681 | struct intel_breadcrumbs *b = &engine->breadcrumbs; |
682 | struct rb_node *rb; | |
683 | ||
12471ba8 | 684 | seq_printf(m, "Current sequence (%s): %x\n", |
1b7744e7 | 685 | engine->name, intel_engine_get_seqno(engine)); |
688e6c72 | 686 | |
f6168e33 | 687 | spin_lock_irq(&b->lock); |
688e6c72 CW |
688 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { |
689 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
690 | ||
691 | seq_printf(m, "Waiting (%s): %s [%d] on %x\n", | |
692 | engine->name, w->tsk->comm, w->tsk->pid, w->seqno); | |
693 | } | |
f6168e33 | 694 | spin_unlock_irq(&b->lock); |
b2223497 CW |
695 | } |
696 | ||
2017263e BG |
697 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
698 | { | |
36cdd013 | 699 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
e2f80391 | 700 | struct intel_engine_cs *engine; |
3b3f1650 | 701 | enum intel_engine_id id; |
2017263e | 702 | |
3b3f1650 | 703 | for_each_engine(engine, dev_priv, id) |
e2f80391 | 704 | i915_ring_seqno_info(m, engine); |
de227ef0 | 705 | |
2017263e BG |
706 | return 0; |
707 | } | |
708 | ||
709 | ||
710 | static int i915_interrupt_info(struct seq_file *m, void *data) | |
711 | { | |
36cdd013 | 712 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
e2f80391 | 713 | struct intel_engine_cs *engine; |
3b3f1650 | 714 | enum intel_engine_id id; |
4bb05040 | 715 | int i, pipe; |
de227ef0 | 716 | |
c8c8fb33 | 717 | intel_runtime_pm_get(dev_priv); |
2017263e | 718 | |
36cdd013 | 719 | if (IS_CHERRYVIEW(dev_priv)) { |
74e1ca8c VS |
720 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
721 | I915_READ(GEN8_MASTER_IRQ)); | |
722 | ||
723 | seq_printf(m, "Display IER:\t%08x\n", | |
724 | I915_READ(VLV_IER)); | |
725 | seq_printf(m, "Display IIR:\t%08x\n", | |
726 | I915_READ(VLV_IIR)); | |
727 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
728 | I915_READ(VLV_IIR_RW)); | |
729 | seq_printf(m, "Display IMR:\t%08x\n", | |
730 | I915_READ(VLV_IMR)); | |
9c870d03 CW |
731 | for_each_pipe(dev_priv, pipe) { |
732 | enum intel_display_power_domain power_domain; | |
733 | ||
734 | power_domain = POWER_DOMAIN_PIPE(pipe); | |
735 | if (!intel_display_power_get_if_enabled(dev_priv, | |
736 | power_domain)) { | |
737 | seq_printf(m, "Pipe %c power disabled\n", | |
738 | pipe_name(pipe)); | |
739 | continue; | |
740 | } | |
741 | ||
74e1ca8c VS |
742 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
743 | pipe_name(pipe), | |
744 | I915_READ(PIPESTAT(pipe))); | |
745 | ||
9c870d03 CW |
746 | intel_display_power_put(dev_priv, power_domain); |
747 | } | |
748 | ||
749 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); | |
74e1ca8c VS |
750 | seq_printf(m, "Port hotplug:\t%08x\n", |
751 | I915_READ(PORT_HOTPLUG_EN)); | |
752 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
753 | I915_READ(VLV_DPFLIPSTAT)); | |
754 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
755 | I915_READ(DPINVGTT)); | |
9c870d03 | 756 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); |
74e1ca8c VS |
757 | |
758 | for (i = 0; i < 4; i++) { | |
759 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
760 | i, I915_READ(GEN8_GT_IMR(i))); | |
761 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
762 | i, I915_READ(GEN8_GT_IIR(i))); | |
763 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
764 | i, I915_READ(GEN8_GT_IER(i))); | |
765 | } | |
766 | ||
767 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
768 | I915_READ(GEN8_PCU_IMR)); | |
769 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
770 | I915_READ(GEN8_PCU_IIR)); | |
771 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
772 | I915_READ(GEN8_PCU_IER)); | |
36cdd013 | 773 | } else if (INTEL_GEN(dev_priv) >= 8) { |
a123f157 BW |
774 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
775 | I915_READ(GEN8_MASTER_IRQ)); | |
776 | ||
777 | for (i = 0; i < 4; i++) { | |
778 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
779 | i, I915_READ(GEN8_GT_IMR(i))); | |
780 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
781 | i, I915_READ(GEN8_GT_IIR(i))); | |
782 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
783 | i, I915_READ(GEN8_GT_IER(i))); | |
784 | } | |
785 | ||
055e393f | 786 | for_each_pipe(dev_priv, pipe) { |
e129649b ID |
787 | enum intel_display_power_domain power_domain; |
788 | ||
789 | power_domain = POWER_DOMAIN_PIPE(pipe); | |
790 | if (!intel_display_power_get_if_enabled(dev_priv, | |
791 | power_domain)) { | |
22c59960 PZ |
792 | seq_printf(m, "Pipe %c power disabled\n", |
793 | pipe_name(pipe)); | |
794 | continue; | |
795 | } | |
a123f157 | 796 | seq_printf(m, "Pipe %c IMR:\t%08x\n", |
07d27e20 DL |
797 | pipe_name(pipe), |
798 | I915_READ(GEN8_DE_PIPE_IMR(pipe))); | |
a123f157 | 799 | seq_printf(m, "Pipe %c IIR:\t%08x\n", |
07d27e20 DL |
800 | pipe_name(pipe), |
801 | I915_READ(GEN8_DE_PIPE_IIR(pipe))); | |
a123f157 | 802 | seq_printf(m, "Pipe %c IER:\t%08x\n", |
07d27e20 DL |
803 | pipe_name(pipe), |
804 | I915_READ(GEN8_DE_PIPE_IER(pipe))); | |
e129649b ID |
805 | |
806 | intel_display_power_put(dev_priv, power_domain); | |
a123f157 BW |
807 | } |
808 | ||
809 | seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", | |
810 | I915_READ(GEN8_DE_PORT_IMR)); | |
811 | seq_printf(m, "Display Engine port interrupt identity:\t%08x\n", | |
812 | I915_READ(GEN8_DE_PORT_IIR)); | |
813 | seq_printf(m, "Display Engine port interrupt enable:\t%08x\n", | |
814 | I915_READ(GEN8_DE_PORT_IER)); | |
815 | ||
816 | seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n", | |
817 | I915_READ(GEN8_DE_MISC_IMR)); | |
818 | seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n", | |
819 | I915_READ(GEN8_DE_MISC_IIR)); | |
820 | seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n", | |
821 | I915_READ(GEN8_DE_MISC_IER)); | |
822 | ||
823 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
824 | I915_READ(GEN8_PCU_IMR)); | |
825 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
826 | I915_READ(GEN8_PCU_IIR)); | |
827 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
828 | I915_READ(GEN8_PCU_IER)); | |
36cdd013 | 829 | } else if (IS_VALLEYVIEW(dev_priv)) { |
7e231dbe JB |
830 | seq_printf(m, "Display IER:\t%08x\n", |
831 | I915_READ(VLV_IER)); | |
832 | seq_printf(m, "Display IIR:\t%08x\n", | |
833 | I915_READ(VLV_IIR)); | |
834 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
835 | I915_READ(VLV_IIR_RW)); | |
836 | seq_printf(m, "Display IMR:\t%08x\n", | |
837 | I915_READ(VLV_IMR)); | |
055e393f | 838 | for_each_pipe(dev_priv, pipe) |
7e231dbe JB |
839 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
840 | pipe_name(pipe), | |
841 | I915_READ(PIPESTAT(pipe))); | |
842 | ||
843 | seq_printf(m, "Master IER:\t%08x\n", | |
844 | I915_READ(VLV_MASTER_IER)); | |
845 | ||
846 | seq_printf(m, "Render IER:\t%08x\n", | |
847 | I915_READ(GTIER)); | |
848 | seq_printf(m, "Render IIR:\t%08x\n", | |
849 | I915_READ(GTIIR)); | |
850 | seq_printf(m, "Render IMR:\t%08x\n", | |
851 | I915_READ(GTIMR)); | |
852 | ||
853 | seq_printf(m, "PM IER:\t\t%08x\n", | |
854 | I915_READ(GEN6_PMIER)); | |
855 | seq_printf(m, "PM IIR:\t\t%08x\n", | |
856 | I915_READ(GEN6_PMIIR)); | |
857 | seq_printf(m, "PM IMR:\t\t%08x\n", | |
858 | I915_READ(GEN6_PMIMR)); | |
859 | ||
860 | seq_printf(m, "Port hotplug:\t%08x\n", | |
861 | I915_READ(PORT_HOTPLUG_EN)); | |
862 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
863 | I915_READ(VLV_DPFLIPSTAT)); | |
864 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
865 | I915_READ(DPINVGTT)); | |
866 | ||
36cdd013 | 867 | } else if (!HAS_PCH_SPLIT(dev_priv)) { |
5f6a1695 ZW |
868 | seq_printf(m, "Interrupt enable: %08x\n", |
869 | I915_READ(IER)); | |
870 | seq_printf(m, "Interrupt identity: %08x\n", | |
871 | I915_READ(IIR)); | |
872 | seq_printf(m, "Interrupt mask: %08x\n", | |
873 | I915_READ(IMR)); | |
055e393f | 874 | for_each_pipe(dev_priv, pipe) |
9db4a9c7 JB |
875 | seq_printf(m, "Pipe %c stat: %08x\n", |
876 | pipe_name(pipe), | |
877 | I915_READ(PIPESTAT(pipe))); | |
5f6a1695 ZW |
878 | } else { |
879 | seq_printf(m, "North Display Interrupt enable: %08x\n", | |
880 | I915_READ(DEIER)); | |
881 | seq_printf(m, "North Display Interrupt identity: %08x\n", | |
882 | I915_READ(DEIIR)); | |
883 | seq_printf(m, "North Display Interrupt mask: %08x\n", | |
884 | I915_READ(DEIMR)); | |
885 | seq_printf(m, "South Display Interrupt enable: %08x\n", | |
886 | I915_READ(SDEIER)); | |
887 | seq_printf(m, "South Display Interrupt identity: %08x\n", | |
888 | I915_READ(SDEIIR)); | |
889 | seq_printf(m, "South Display Interrupt mask: %08x\n", | |
890 | I915_READ(SDEIMR)); | |
891 | seq_printf(m, "Graphics Interrupt enable: %08x\n", | |
892 | I915_READ(GTIER)); | |
893 | seq_printf(m, "Graphics Interrupt identity: %08x\n", | |
894 | I915_READ(GTIIR)); | |
895 | seq_printf(m, "Graphics Interrupt mask: %08x\n", | |
896 | I915_READ(GTIMR)); | |
897 | } | |
3b3f1650 | 898 | for_each_engine(engine, dev_priv, id) { |
36cdd013 | 899 | if (INTEL_GEN(dev_priv) >= 6) { |
a2c7f6fd CW |
900 | seq_printf(m, |
901 | "Graphics Interrupt mask (%s): %08x\n", | |
e2f80391 | 902 | engine->name, I915_READ_IMR(engine)); |
9862e600 | 903 | } |
e2f80391 | 904 | i915_ring_seqno_info(m, engine); |
9862e600 | 905 | } |
c8c8fb33 | 906 | intel_runtime_pm_put(dev_priv); |
de227ef0 | 907 | |
2017263e BG |
908 | return 0; |
909 | } | |
910 | ||
a6172a80 CW |
911 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) |
912 | { | |
36cdd013 DW |
913 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
914 | struct drm_device *dev = &dev_priv->drm; | |
de227ef0 CW |
915 | int i, ret; |
916 | ||
917 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
918 | if (ret) | |
919 | return ret; | |
a6172a80 | 920 | |
a6172a80 CW |
921 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); |
922 | for (i = 0; i < dev_priv->num_fence_regs; i++) { | |
49ef5294 | 923 | struct i915_vma *vma = dev_priv->fence_regs[i].vma; |
a6172a80 | 924 | |
6c085a72 CW |
925 | seq_printf(m, "Fence %d, pin count = %d, object = ", |
926 | i, dev_priv->fence_regs[i].pin_count); | |
49ef5294 | 927 | if (!vma) |
267f0c90 | 928 | seq_puts(m, "unused"); |
c2c347a9 | 929 | else |
49ef5294 | 930 | describe_obj(m, vma->obj); |
267f0c90 | 931 | seq_putc(m, '\n'); |
a6172a80 CW |
932 | } |
933 | ||
05394f39 | 934 | mutex_unlock(&dev->struct_mutex); |
a6172a80 CW |
935 | return 0; |
936 | } | |
937 | ||
98a2f411 CW |
938 | #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) |
939 | ||
d5442303 DV |
940 | static ssize_t |
941 | i915_error_state_write(struct file *filp, | |
942 | const char __user *ubuf, | |
943 | size_t cnt, | |
944 | loff_t *ppos) | |
945 | { | |
edc3d884 | 946 | struct i915_error_state_file_priv *error_priv = filp->private_data; |
d5442303 DV |
947 | |
948 | DRM_DEBUG_DRIVER("Resetting error state\n"); | |
12ff05e7 | 949 | i915_destroy_error_state(error_priv->i915); |
d5442303 DV |
950 | |
951 | return cnt; | |
952 | } | |
953 | ||
954 | static int i915_error_state_open(struct inode *inode, struct file *file) | |
955 | { | |
36cdd013 | 956 | struct drm_i915_private *dev_priv = inode->i_private; |
d5442303 | 957 | struct i915_error_state_file_priv *error_priv; |
d5442303 DV |
958 | |
959 | error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL); | |
960 | if (!error_priv) | |
961 | return -ENOMEM; | |
962 | ||
12ff05e7 | 963 | error_priv->i915 = dev_priv; |
d5442303 | 964 | |
36cdd013 | 965 | i915_error_state_get(&dev_priv->drm, error_priv); |
d5442303 | 966 | |
edc3d884 MK |
967 | file->private_data = error_priv; |
968 | ||
969 | return 0; | |
d5442303 DV |
970 | } |
971 | ||
972 | static int i915_error_state_release(struct inode *inode, struct file *file) | |
973 | { | |
edc3d884 | 974 | struct i915_error_state_file_priv *error_priv = file->private_data; |
d5442303 | 975 | |
95d5bfb3 | 976 | i915_error_state_put(error_priv); |
d5442303 DV |
977 | kfree(error_priv); |
978 | ||
edc3d884 MK |
979 | return 0; |
980 | } | |
981 | ||
4dc955f7 MK |
982 | static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, |
983 | size_t count, loff_t *pos) | |
984 | { | |
985 | struct i915_error_state_file_priv *error_priv = file->private_data; | |
986 | struct drm_i915_error_state_buf error_str; | |
987 | loff_t tmp_pos = 0; | |
988 | ssize_t ret_count = 0; | |
989 | int ret; | |
990 | ||
12ff05e7 TU |
991 | ret = i915_error_state_buf_init(&error_str, error_priv->i915, |
992 | count, *pos); | |
4dc955f7 MK |
993 | if (ret) |
994 | return ret; | |
edc3d884 | 995 | |
fc16b48b | 996 | ret = i915_error_state_to_str(&error_str, error_priv); |
edc3d884 MK |
997 | if (ret) |
998 | goto out; | |
999 | ||
edc3d884 MK |
1000 | ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos, |
1001 | error_str.buf, | |
1002 | error_str.bytes); | |
1003 | ||
1004 | if (ret_count < 0) | |
1005 | ret = ret_count; | |
1006 | else | |
1007 | *pos = error_str.start + ret_count; | |
1008 | out: | |
4dc955f7 | 1009 | i915_error_state_buf_release(&error_str); |
edc3d884 | 1010 | return ret ?: ret_count; |
d5442303 DV |
1011 | } |
1012 | ||
1013 | static const struct file_operations i915_error_state_fops = { | |
1014 | .owner = THIS_MODULE, | |
1015 | .open = i915_error_state_open, | |
edc3d884 | 1016 | .read = i915_error_state_read, |
d5442303 DV |
1017 | .write = i915_error_state_write, |
1018 | .llseek = default_llseek, | |
1019 | .release = i915_error_state_release, | |
1020 | }; | |
1021 | ||
98a2f411 CW |
1022 | #endif |
1023 | ||
647416f9 KC |
1024 | static int |
1025 | i915_next_seqno_get(void *data, u64 *val) | |
40633219 | 1026 | { |
36cdd013 | 1027 | struct drm_i915_private *dev_priv = data; |
40633219 | 1028 | |
4c266edb | 1029 | *val = 1 + atomic_read(&dev_priv->gt.global_timeline.seqno); |
647416f9 | 1030 | return 0; |
40633219 MK |
1031 | } |
1032 | ||
647416f9 KC |
1033 | static int |
1034 | i915_next_seqno_set(void *data, u64 val) | |
1035 | { | |
36cdd013 DW |
1036 | struct drm_i915_private *dev_priv = data; |
1037 | struct drm_device *dev = &dev_priv->drm; | |
40633219 MK |
1038 | int ret; |
1039 | ||
40633219 MK |
1040 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1041 | if (ret) | |
1042 | return ret; | |
1043 | ||
73cb9701 | 1044 | ret = i915_gem_set_global_seqno(dev, val); |
40633219 MK |
1045 | mutex_unlock(&dev->struct_mutex); |
1046 | ||
647416f9 | 1047 | return ret; |
40633219 MK |
1048 | } |
1049 | ||
647416f9 KC |
1050 | DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, |
1051 | i915_next_seqno_get, i915_next_seqno_set, | |
3a3b4f98 | 1052 | "0x%llx\n"); |
40633219 | 1053 | |
adb4bd12 | 1054 | static int i915_frequency_info(struct seq_file *m, void *unused) |
f97108d1 | 1055 | { |
36cdd013 DW |
1056 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1057 | struct drm_device *dev = &dev_priv->drm; | |
c8c8fb33 PZ |
1058 | int ret = 0; |
1059 | ||
1060 | intel_runtime_pm_get(dev_priv); | |
3b8d8d91 | 1061 | |
36cdd013 | 1062 | if (IS_GEN5(dev_priv)) { |
3b8d8d91 JB |
1063 | u16 rgvswctl = I915_READ16(MEMSWCTL); |
1064 | u16 rgvstat = I915_READ16(MEMSTAT_ILK); | |
1065 | ||
1066 | seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); | |
1067 | seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); | |
1068 | seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> | |
1069 | MEMSTAT_VID_SHIFT); | |
1070 | seq_printf(m, "Current P-state: %d\n", | |
1071 | (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); | |
36cdd013 | 1072 | } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { |
666a4537 WB |
1073 | u32 freq_sts; |
1074 | ||
1075 | mutex_lock(&dev_priv->rps.hw_lock); | |
1076 | freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); | |
1077 | seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts); | |
1078 | seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq); | |
1079 | ||
1080 | seq_printf(m, "actual GPU freq: %d MHz\n", | |
1081 | intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff)); | |
1082 | ||
1083 | seq_printf(m, "current GPU freq: %d MHz\n", | |
1084 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1085 | ||
1086 | seq_printf(m, "max GPU freq: %d MHz\n", | |
1087 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1088 | ||
1089 | seq_printf(m, "min GPU freq: %d MHz\n", | |
1090 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); | |
1091 | ||
1092 | seq_printf(m, "idle GPU freq: %d MHz\n", | |
1093 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
1094 | ||
1095 | seq_printf(m, | |
1096 | "efficient (RPe) frequency: %d MHz\n", | |
1097 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
1098 | mutex_unlock(&dev_priv->rps.hw_lock); | |
36cdd013 | 1099 | } else if (INTEL_GEN(dev_priv) >= 6) { |
35040562 BP |
1100 | u32 rp_state_limits; |
1101 | u32 gt_perf_status; | |
1102 | u32 rp_state_cap; | |
0d8f9491 | 1103 | u32 rpmodectl, rpinclimit, rpdeclimit; |
8e8c06cd | 1104 | u32 rpstat, cagf, reqf; |
ccab5c82 JB |
1105 | u32 rpupei, rpcurup, rpprevup; |
1106 | u32 rpdownei, rpcurdown, rpprevdown; | |
9dd3c605 | 1107 | u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask; |
3b8d8d91 JB |
1108 | int max_freq; |
1109 | ||
35040562 | 1110 | rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); |
cc3f90f0 | 1111 | if (IS_GEN9_LP(dev_priv)) { |
35040562 BP |
1112 | rp_state_cap = I915_READ(BXT_RP_STATE_CAP); |
1113 | gt_perf_status = I915_READ(BXT_GT_PERF_STATUS); | |
1114 | } else { | |
1115 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
1116 | gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); | |
1117 | } | |
1118 | ||
3b8d8d91 | 1119 | /* RPSTAT1 is in the GT power well */ |
d1ebd816 BW |
1120 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1121 | if (ret) | |
c8c8fb33 | 1122 | goto out; |
d1ebd816 | 1123 | |
59bad947 | 1124 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
3b8d8d91 | 1125 | |
8e8c06cd | 1126 | reqf = I915_READ(GEN6_RPNSWREQ); |
36cdd013 | 1127 | if (IS_GEN9(dev_priv)) |
60260a5b AG |
1128 | reqf >>= 23; |
1129 | else { | |
1130 | reqf &= ~GEN6_TURBO_DISABLE; | |
36cdd013 | 1131 | if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) |
60260a5b AG |
1132 | reqf >>= 24; |
1133 | else | |
1134 | reqf >>= 25; | |
1135 | } | |
7c59a9c1 | 1136 | reqf = intel_gpu_freq(dev_priv, reqf); |
8e8c06cd | 1137 | |
0d8f9491 CW |
1138 | rpmodectl = I915_READ(GEN6_RP_CONTROL); |
1139 | rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD); | |
1140 | rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD); | |
1141 | ||
ccab5c82 | 1142 | rpstat = I915_READ(GEN6_RPSTAT1); |
d6cda9c7 AG |
1143 | rpupei = I915_READ(GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK; |
1144 | rpcurup = I915_READ(GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK; | |
1145 | rpprevup = I915_READ(GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK; | |
1146 | rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK; | |
1147 | rpcurdown = I915_READ(GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK; | |
1148 | rpprevdown = I915_READ(GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK; | |
36cdd013 | 1149 | if (IS_GEN9(dev_priv)) |
60260a5b | 1150 | cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; |
36cdd013 | 1151 | else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) |
f82855d3 BW |
1152 | cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; |
1153 | else | |
1154 | cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; | |
7c59a9c1 | 1155 | cagf = intel_gpu_freq(dev_priv, cagf); |
ccab5c82 | 1156 | |
59bad947 | 1157 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
d1ebd816 BW |
1158 | mutex_unlock(&dev->struct_mutex); |
1159 | ||
36cdd013 | 1160 | if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv)) { |
9dd3c605 PZ |
1161 | pm_ier = I915_READ(GEN6_PMIER); |
1162 | pm_imr = I915_READ(GEN6_PMIMR); | |
1163 | pm_isr = I915_READ(GEN6_PMISR); | |
1164 | pm_iir = I915_READ(GEN6_PMIIR); | |
1165 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1166 | } else { | |
1167 | pm_ier = I915_READ(GEN8_GT_IER(2)); | |
1168 | pm_imr = I915_READ(GEN8_GT_IMR(2)); | |
1169 | pm_isr = I915_READ(GEN8_GT_ISR(2)); | |
1170 | pm_iir = I915_READ(GEN8_GT_IIR(2)); | |
1171 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1172 | } | |
0d8f9491 | 1173 | seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n", |
9dd3c605 | 1174 | pm_ier, pm_imr, pm_isr, pm_iir, pm_mask); |
1800ad25 | 1175 | seq_printf(m, "pm_intr_keep: 0x%08x\n", dev_priv->rps.pm_intr_keep); |
3b8d8d91 | 1176 | seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); |
3b8d8d91 | 1177 | seq_printf(m, "Render p-state ratio: %d\n", |
36cdd013 | 1178 | (gt_perf_status & (IS_GEN9(dev_priv) ? 0x1ff00 : 0xff00)) >> 8); |
3b8d8d91 JB |
1179 | seq_printf(m, "Render p-state VID: %d\n", |
1180 | gt_perf_status & 0xff); | |
1181 | seq_printf(m, "Render p-state limit: %d\n", | |
1182 | rp_state_limits & 0xff); | |
0d8f9491 CW |
1183 | seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); |
1184 | seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl); | |
1185 | seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit); | |
1186 | seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit); | |
8e8c06cd | 1187 | seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); |
f82855d3 | 1188 | seq_printf(m, "CAGF: %dMHz\n", cagf); |
d6cda9c7 AG |
1189 | seq_printf(m, "RP CUR UP EI: %d (%dus)\n", |
1190 | rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei)); | |
1191 | seq_printf(m, "RP CUR UP: %d (%dus)\n", | |
1192 | rpcurup, GT_PM_INTERVAL_TO_US(dev_priv, rpcurup)); | |
1193 | seq_printf(m, "RP PREV UP: %d (%dus)\n", | |
1194 | rpprevup, GT_PM_INTERVAL_TO_US(dev_priv, rpprevup)); | |
d86ed34a CW |
1195 | seq_printf(m, "Up threshold: %d%%\n", |
1196 | dev_priv->rps.up_threshold); | |
1197 | ||
d6cda9c7 AG |
1198 | seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n", |
1199 | rpdownei, GT_PM_INTERVAL_TO_US(dev_priv, rpdownei)); | |
1200 | seq_printf(m, "RP CUR DOWN: %d (%dus)\n", | |
1201 | rpcurdown, GT_PM_INTERVAL_TO_US(dev_priv, rpcurdown)); | |
1202 | seq_printf(m, "RP PREV DOWN: %d (%dus)\n", | |
1203 | rpprevdown, GT_PM_INTERVAL_TO_US(dev_priv, rpprevdown)); | |
d86ed34a CW |
1204 | seq_printf(m, "Down threshold: %d%%\n", |
1205 | dev_priv->rps.down_threshold); | |
3b8d8d91 | 1206 | |
cc3f90f0 | 1207 | max_freq = (IS_GEN9_LP(dev_priv) ? rp_state_cap >> 0 : |
35040562 | 1208 | rp_state_cap >> 16) & 0xff; |
36cdd013 | 1209 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1210 | GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1211 | seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", |
7c59a9c1 | 1212 | intel_gpu_freq(dev_priv, max_freq)); |
3b8d8d91 JB |
1213 | |
1214 | max_freq = (rp_state_cap & 0xff00) >> 8; | |
36cdd013 | 1215 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1216 | GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1217 | seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", |
7c59a9c1 | 1218 | intel_gpu_freq(dev_priv, max_freq)); |
3b8d8d91 | 1219 | |
cc3f90f0 | 1220 | max_freq = (IS_GEN9_LP(dev_priv) ? rp_state_cap >> 16 : |
35040562 | 1221 | rp_state_cap >> 0) & 0xff; |
36cdd013 | 1222 | max_freq *= (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1223 | GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1224 | seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", |
7c59a9c1 | 1225 | intel_gpu_freq(dev_priv, max_freq)); |
31c77388 | 1226 | seq_printf(m, "Max overclocked frequency: %dMHz\n", |
7c59a9c1 | 1227 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); |
aed242ff | 1228 | |
d86ed34a CW |
1229 | seq_printf(m, "Current freq: %d MHz\n", |
1230 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1231 | seq_printf(m, "Actual freq: %d MHz\n", cagf); | |
aed242ff CW |
1232 | seq_printf(m, "Idle freq: %d MHz\n", |
1233 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
d86ed34a CW |
1234 | seq_printf(m, "Min freq: %d MHz\n", |
1235 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); | |
29ecd78d CW |
1236 | seq_printf(m, "Boost freq: %d MHz\n", |
1237 | intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); | |
d86ed34a CW |
1238 | seq_printf(m, "Max freq: %d MHz\n", |
1239 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1240 | seq_printf(m, | |
1241 | "efficient (RPe) frequency: %d MHz\n", | |
1242 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
3b8d8d91 | 1243 | } else { |
267f0c90 | 1244 | seq_puts(m, "no P-state info available\n"); |
3b8d8d91 | 1245 | } |
f97108d1 | 1246 | |
1170f28c MK |
1247 | seq_printf(m, "Current CD clock frequency: %d kHz\n", dev_priv->cdclk_freq); |
1248 | seq_printf(m, "Max CD clock frequency: %d kHz\n", dev_priv->max_cdclk_freq); | |
1249 | seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq); | |
1250 | ||
c8c8fb33 PZ |
1251 | out: |
1252 | intel_runtime_pm_put(dev_priv); | |
1253 | return ret; | |
f97108d1 JB |
1254 | } |
1255 | ||
d636951e BW |
1256 | static void i915_instdone_info(struct drm_i915_private *dev_priv, |
1257 | struct seq_file *m, | |
1258 | struct intel_instdone *instdone) | |
1259 | { | |
f9e61372 BW |
1260 | int slice; |
1261 | int subslice; | |
1262 | ||
d636951e BW |
1263 | seq_printf(m, "\t\tINSTDONE: 0x%08x\n", |
1264 | instdone->instdone); | |
1265 | ||
1266 | if (INTEL_GEN(dev_priv) <= 3) | |
1267 | return; | |
1268 | ||
1269 | seq_printf(m, "\t\tSC_INSTDONE: 0x%08x\n", | |
1270 | instdone->slice_common); | |
1271 | ||
1272 | if (INTEL_GEN(dev_priv) <= 6) | |
1273 | return; | |
1274 | ||
f9e61372 BW |
1275 | for_each_instdone_slice_subslice(dev_priv, slice, subslice) |
1276 | seq_printf(m, "\t\tSAMPLER_INSTDONE[%d][%d]: 0x%08x\n", | |
1277 | slice, subslice, instdone->sampler[slice][subslice]); | |
1278 | ||
1279 | for_each_instdone_slice_subslice(dev_priv, slice, subslice) | |
1280 | seq_printf(m, "\t\tROW_INSTDONE[%d][%d]: 0x%08x\n", | |
1281 | slice, subslice, instdone->row[slice][subslice]); | |
d636951e BW |
1282 | } |
1283 | ||
f654449a CW |
1284 | static int i915_hangcheck_info(struct seq_file *m, void *unused) |
1285 | { | |
36cdd013 | 1286 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
e2f80391 | 1287 | struct intel_engine_cs *engine; |
666796da TU |
1288 | u64 acthd[I915_NUM_ENGINES]; |
1289 | u32 seqno[I915_NUM_ENGINES]; | |
d636951e | 1290 | struct intel_instdone instdone; |
c3232b18 | 1291 | enum intel_engine_id id; |
f654449a | 1292 | |
8af29b0c CW |
1293 | if (test_bit(I915_WEDGED, &dev_priv->gpu_error.flags)) |
1294 | seq_printf(m, "Wedged\n"); | |
1295 | if (test_bit(I915_RESET_IN_PROGRESS, &dev_priv->gpu_error.flags)) | |
1296 | seq_printf(m, "Reset in progress\n"); | |
1297 | if (waitqueue_active(&dev_priv->gpu_error.wait_queue)) | |
1298 | seq_printf(m, "Waiter holding struct mutex\n"); | |
1299 | if (waitqueue_active(&dev_priv->gpu_error.reset_queue)) | |
1300 | seq_printf(m, "struct_mutex blocked for reset\n"); | |
1301 | ||
f654449a CW |
1302 | if (!i915.enable_hangcheck) { |
1303 | seq_printf(m, "Hangcheck disabled\n"); | |
1304 | return 0; | |
1305 | } | |
1306 | ||
ebbc7546 MK |
1307 | intel_runtime_pm_get(dev_priv); |
1308 | ||
3b3f1650 | 1309 | for_each_engine(engine, dev_priv, id) { |
7e37f889 | 1310 | acthd[id] = intel_engine_get_active_head(engine); |
1b7744e7 | 1311 | seqno[id] = intel_engine_get_seqno(engine); |
ebbc7546 MK |
1312 | } |
1313 | ||
3b3f1650 | 1314 | intel_engine_get_instdone(dev_priv->engine[RCS], &instdone); |
61642ff0 | 1315 | |
ebbc7546 MK |
1316 | intel_runtime_pm_put(dev_priv); |
1317 | ||
f654449a CW |
1318 | if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) { |
1319 | seq_printf(m, "Hangcheck active, fires in %dms\n", | |
1320 | jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires - | |
1321 | jiffies)); | |
1322 | } else | |
1323 | seq_printf(m, "Hangcheck inactive\n"); | |
1324 | ||
3b3f1650 | 1325 | for_each_engine(engine, dev_priv, id) { |
33f53719 CW |
1326 | struct intel_breadcrumbs *b = &engine->breadcrumbs; |
1327 | struct rb_node *rb; | |
1328 | ||
e2f80391 | 1329 | seq_printf(m, "%s:\n", engine->name); |
14fd0d6d | 1330 | seq_printf(m, "\tseqno = %x [current %x, last %x]\n", |
cb399eab CW |
1331 | engine->hangcheck.seqno, seqno[id], |
1332 | intel_engine_last_submit(engine)); | |
3fe3b030 | 1333 | seq_printf(m, "\twaiters? %s, fake irq active? %s, stalled? %s\n", |
83348ba8 CW |
1334 | yesno(intel_engine_has_waiter(engine)), |
1335 | yesno(test_bit(engine->id, | |
3fe3b030 MK |
1336 | &dev_priv->gpu_error.missed_irq_rings)), |
1337 | yesno(engine->hangcheck.stalled)); | |
1338 | ||
f6168e33 | 1339 | spin_lock_irq(&b->lock); |
33f53719 CW |
1340 | for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { |
1341 | struct intel_wait *w = container_of(rb, typeof(*w), node); | |
1342 | ||
1343 | seq_printf(m, "\t%s [%d] waiting for %x\n", | |
1344 | w->tsk->comm, w->tsk->pid, w->seqno); | |
1345 | } | |
f6168e33 | 1346 | spin_unlock_irq(&b->lock); |
33f53719 | 1347 | |
f654449a | 1348 | seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n", |
e2f80391 | 1349 | (long long)engine->hangcheck.acthd, |
c3232b18 | 1350 | (long long)acthd[id]); |
3fe3b030 MK |
1351 | seq_printf(m, "\taction = %s(%d) %d ms ago\n", |
1352 | hangcheck_action_to_str(engine->hangcheck.action), | |
1353 | engine->hangcheck.action, | |
1354 | jiffies_to_msecs(jiffies - | |
1355 | engine->hangcheck.action_timestamp)); | |
61642ff0 | 1356 | |
e2f80391 | 1357 | if (engine->id == RCS) { |
d636951e | 1358 | seq_puts(m, "\tinstdone read =\n"); |
61642ff0 | 1359 | |
d636951e | 1360 | i915_instdone_info(dev_priv, m, &instdone); |
61642ff0 | 1361 | |
d636951e | 1362 | seq_puts(m, "\tinstdone accu =\n"); |
61642ff0 | 1363 | |
d636951e BW |
1364 | i915_instdone_info(dev_priv, m, |
1365 | &engine->hangcheck.instdone); | |
61642ff0 | 1366 | } |
f654449a CW |
1367 | } |
1368 | ||
1369 | return 0; | |
1370 | } | |
1371 | ||
4d85529d | 1372 | static int ironlake_drpc_info(struct seq_file *m) |
f97108d1 | 1373 | { |
36cdd013 | 1374 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
616fdb5a BW |
1375 | u32 rgvmodectl, rstdbyctl; |
1376 | u16 crstandvid; | |
616fdb5a | 1377 | |
c8c8fb33 | 1378 | intel_runtime_pm_get(dev_priv); |
616fdb5a BW |
1379 | |
1380 | rgvmodectl = I915_READ(MEMMODECTL); | |
1381 | rstdbyctl = I915_READ(RSTDBYCTL); | |
1382 | crstandvid = I915_READ16(CRSTANDVID); | |
1383 | ||
c8c8fb33 | 1384 | intel_runtime_pm_put(dev_priv); |
f97108d1 | 1385 | |
742f491d | 1386 | seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN)); |
f97108d1 JB |
1387 | seq_printf(m, "Boost freq: %d\n", |
1388 | (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> | |
1389 | MEMMODE_BOOST_FREQ_SHIFT); | |
1390 | seq_printf(m, "HW control enabled: %s\n", | |
742f491d | 1391 | yesno(rgvmodectl & MEMMODE_HWIDLE_EN)); |
f97108d1 | 1392 | seq_printf(m, "SW control enabled: %s\n", |
742f491d | 1393 | yesno(rgvmodectl & MEMMODE_SWMODE_EN)); |
f97108d1 | 1394 | seq_printf(m, "Gated voltage change: %s\n", |
742f491d | 1395 | yesno(rgvmodectl & MEMMODE_RCLK_GATE)); |
f97108d1 JB |
1396 | seq_printf(m, "Starting frequency: P%d\n", |
1397 | (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); | |
7648fa99 | 1398 | seq_printf(m, "Max P-state: P%d\n", |
f97108d1 | 1399 | (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); |
7648fa99 JB |
1400 | seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); |
1401 | seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); | |
1402 | seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); | |
1403 | seq_printf(m, "Render standby enabled: %s\n", | |
742f491d | 1404 | yesno(!(rstdbyctl & RCX_SW_EXIT))); |
267f0c90 | 1405 | seq_puts(m, "Current RS state: "); |
88271da3 JB |
1406 | switch (rstdbyctl & RSX_STATUS_MASK) { |
1407 | case RSX_STATUS_ON: | |
267f0c90 | 1408 | seq_puts(m, "on\n"); |
88271da3 JB |
1409 | break; |
1410 | case RSX_STATUS_RC1: | |
267f0c90 | 1411 | seq_puts(m, "RC1\n"); |
88271da3 JB |
1412 | break; |
1413 | case RSX_STATUS_RC1E: | |
267f0c90 | 1414 | seq_puts(m, "RC1E\n"); |
88271da3 JB |
1415 | break; |
1416 | case RSX_STATUS_RS1: | |
267f0c90 | 1417 | seq_puts(m, "RS1\n"); |
88271da3 JB |
1418 | break; |
1419 | case RSX_STATUS_RS2: | |
267f0c90 | 1420 | seq_puts(m, "RS2 (RC6)\n"); |
88271da3 JB |
1421 | break; |
1422 | case RSX_STATUS_RS3: | |
267f0c90 | 1423 | seq_puts(m, "RC3 (RC6+)\n"); |
88271da3 JB |
1424 | break; |
1425 | default: | |
267f0c90 | 1426 | seq_puts(m, "unknown\n"); |
88271da3 JB |
1427 | break; |
1428 | } | |
f97108d1 JB |
1429 | |
1430 | return 0; | |
1431 | } | |
1432 | ||
f65367b5 | 1433 | static int i915_forcewake_domains(struct seq_file *m, void *data) |
669ab5aa | 1434 | { |
36cdd013 | 1435 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
b2cff0db | 1436 | struct intel_uncore_forcewake_domain *fw_domain; |
b2cff0db CW |
1437 | |
1438 | spin_lock_irq(&dev_priv->uncore.lock); | |
33c582c1 | 1439 | for_each_fw_domain(fw_domain, dev_priv) { |
b2cff0db | 1440 | seq_printf(m, "%s.wake_count = %u\n", |
33c582c1 | 1441 | intel_uncore_forcewake_domain_to_str(fw_domain->id), |
b2cff0db CW |
1442 | fw_domain->wake_count); |
1443 | } | |
1444 | spin_unlock_irq(&dev_priv->uncore.lock); | |
669ab5aa | 1445 | |
b2cff0db CW |
1446 | return 0; |
1447 | } | |
1448 | ||
1449 | static int vlv_drpc_info(struct seq_file *m) | |
1450 | { | |
36cdd013 | 1451 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
6b312cd3 | 1452 | u32 rpmodectl1, rcctl1, pw_status; |
669ab5aa | 1453 | |
d46c0517 ID |
1454 | intel_runtime_pm_get(dev_priv); |
1455 | ||
6b312cd3 | 1456 | pw_status = I915_READ(VLV_GTLC_PW_STATUS); |
669ab5aa D |
1457 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); |
1458 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1459 | ||
d46c0517 ID |
1460 | intel_runtime_pm_put(dev_priv); |
1461 | ||
669ab5aa D |
1462 | seq_printf(m, "Video Turbo Mode: %s\n", |
1463 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1464 | seq_printf(m, "Turbo enabled: %s\n", | |
1465 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1466 | seq_printf(m, "HW control enabled: %s\n", | |
1467 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1468 | seq_printf(m, "SW control enabled: %s\n", | |
1469 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1470 | GEN6_RP_MEDIA_SW_MODE)); | |
1471 | seq_printf(m, "RC6 Enabled: %s\n", | |
1472 | yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE | | |
1473 | GEN6_RC_CTL_EI_MODE(1)))); | |
1474 | seq_printf(m, "Render Power Well: %s\n", | |
6b312cd3 | 1475 | (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1476 | seq_printf(m, "Media Power Well: %s\n", |
6b312cd3 | 1477 | (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1478 | |
9cc19be5 ID |
1479 | seq_printf(m, "Render RC6 residency since boot: %u\n", |
1480 | I915_READ(VLV_GT_RENDER_RC6)); | |
1481 | seq_printf(m, "Media RC6 residency since boot: %u\n", | |
1482 | I915_READ(VLV_GT_MEDIA_RC6)); | |
1483 | ||
f65367b5 | 1484 | return i915_forcewake_domains(m, NULL); |
669ab5aa D |
1485 | } |
1486 | ||
4d85529d BW |
1487 | static int gen6_drpc_info(struct seq_file *m) |
1488 | { | |
36cdd013 DW |
1489 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1490 | struct drm_device *dev = &dev_priv->drm; | |
ecd8faea | 1491 | u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; |
f2dd7578 | 1492 | u32 gen9_powergate_enable = 0, gen9_powergate_status = 0; |
93b525dc | 1493 | unsigned forcewake_count; |
aee56cff | 1494 | int count = 0, ret; |
4d85529d BW |
1495 | |
1496 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1497 | if (ret) | |
1498 | return ret; | |
c8c8fb33 | 1499 | intel_runtime_pm_get(dev_priv); |
4d85529d | 1500 | |
907b28c5 | 1501 | spin_lock_irq(&dev_priv->uncore.lock); |
b2cff0db | 1502 | forcewake_count = dev_priv->uncore.fw_domain[FW_DOMAIN_ID_RENDER].wake_count; |
907b28c5 | 1503 | spin_unlock_irq(&dev_priv->uncore.lock); |
93b525dc DV |
1504 | |
1505 | if (forcewake_count) { | |
267f0c90 DL |
1506 | seq_puts(m, "RC information inaccurate because somebody " |
1507 | "holds a forcewake reference \n"); | |
4d85529d BW |
1508 | } else { |
1509 | /* NB: we cannot use forcewake, else we read the wrong values */ | |
1510 | while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) | |
1511 | udelay(10); | |
1512 | seq_printf(m, "RC information accurate: %s\n", yesno(count < 51)); | |
1513 | } | |
1514 | ||
75aa3f63 | 1515 | gt_core_status = I915_READ_FW(GEN6_GT_CORE_STATUS); |
ed71f1b4 | 1516 | trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true); |
4d85529d BW |
1517 | |
1518 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); | |
1519 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
36cdd013 | 1520 | if (INTEL_GEN(dev_priv) >= 9) { |
f2dd7578 AG |
1521 | gen9_powergate_enable = I915_READ(GEN9_PG_ENABLE); |
1522 | gen9_powergate_status = I915_READ(GEN9_PWRGT_DOMAIN_STATUS); | |
1523 | } | |
4d85529d | 1524 | mutex_unlock(&dev->struct_mutex); |
44cbd338 BW |
1525 | mutex_lock(&dev_priv->rps.hw_lock); |
1526 | sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); | |
1527 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4d85529d | 1528 | |
c8c8fb33 PZ |
1529 | intel_runtime_pm_put(dev_priv); |
1530 | ||
4d85529d BW |
1531 | seq_printf(m, "Video Turbo Mode: %s\n", |
1532 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1533 | seq_printf(m, "HW control enabled: %s\n", | |
1534 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1535 | seq_printf(m, "SW control enabled: %s\n", | |
1536 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1537 | GEN6_RP_MEDIA_SW_MODE)); | |
fff24e21 | 1538 | seq_printf(m, "RC1e Enabled: %s\n", |
4d85529d BW |
1539 | yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); |
1540 | seq_printf(m, "RC6 Enabled: %s\n", | |
1541 | yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); | |
36cdd013 | 1542 | if (INTEL_GEN(dev_priv) >= 9) { |
f2dd7578 AG |
1543 | seq_printf(m, "Render Well Gating Enabled: %s\n", |
1544 | yesno(gen9_powergate_enable & GEN9_RENDER_PG_ENABLE)); | |
1545 | seq_printf(m, "Media Well Gating Enabled: %s\n", | |
1546 | yesno(gen9_powergate_enable & GEN9_MEDIA_PG_ENABLE)); | |
1547 | } | |
4d85529d BW |
1548 | seq_printf(m, "Deep RC6 Enabled: %s\n", |
1549 | yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); | |
1550 | seq_printf(m, "Deepest RC6 Enabled: %s\n", | |
1551 | yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); | |
267f0c90 | 1552 | seq_puts(m, "Current RC state: "); |
4d85529d BW |
1553 | switch (gt_core_status & GEN6_RCn_MASK) { |
1554 | case GEN6_RC0: | |
1555 | if (gt_core_status & GEN6_CORE_CPD_STATE_MASK) | |
267f0c90 | 1556 | seq_puts(m, "Core Power Down\n"); |
4d85529d | 1557 | else |
267f0c90 | 1558 | seq_puts(m, "on\n"); |
4d85529d BW |
1559 | break; |
1560 | case GEN6_RC3: | |
267f0c90 | 1561 | seq_puts(m, "RC3\n"); |
4d85529d BW |
1562 | break; |
1563 | case GEN6_RC6: | |
267f0c90 | 1564 | seq_puts(m, "RC6\n"); |
4d85529d BW |
1565 | break; |
1566 | case GEN6_RC7: | |
267f0c90 | 1567 | seq_puts(m, "RC7\n"); |
4d85529d BW |
1568 | break; |
1569 | default: | |
267f0c90 | 1570 | seq_puts(m, "Unknown\n"); |
4d85529d BW |
1571 | break; |
1572 | } | |
1573 | ||
1574 | seq_printf(m, "Core Power Down: %s\n", | |
1575 | yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK)); | |
36cdd013 | 1576 | if (INTEL_GEN(dev_priv) >= 9) { |
f2dd7578 AG |
1577 | seq_printf(m, "Render Power Well: %s\n", |
1578 | (gen9_powergate_status & | |
1579 | GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down"); | |
1580 | seq_printf(m, "Media Power Well: %s\n", | |
1581 | (gen9_powergate_status & | |
1582 | GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down"); | |
1583 | } | |
cce66a28 BW |
1584 | |
1585 | /* Not exactly sure what this is */ | |
1586 | seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n", | |
1587 | I915_READ(GEN6_GT_GFX_RC6_LOCKED)); | |
1588 | seq_printf(m, "RC6 residency since boot: %u\n", | |
1589 | I915_READ(GEN6_GT_GFX_RC6)); | |
1590 | seq_printf(m, "RC6+ residency since boot: %u\n", | |
1591 | I915_READ(GEN6_GT_GFX_RC6p)); | |
1592 | seq_printf(m, "RC6++ residency since boot: %u\n", | |
1593 | I915_READ(GEN6_GT_GFX_RC6pp)); | |
1594 | ||
ecd8faea BW |
1595 | seq_printf(m, "RC6 voltage: %dmV\n", |
1596 | GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff))); | |
1597 | seq_printf(m, "RC6+ voltage: %dmV\n", | |
1598 | GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff))); | |
1599 | seq_printf(m, "RC6++ voltage: %dmV\n", | |
1600 | GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff))); | |
f2dd7578 | 1601 | return i915_forcewake_domains(m, NULL); |
4d85529d BW |
1602 | } |
1603 | ||
1604 | static int i915_drpc_info(struct seq_file *m, void *unused) | |
1605 | { | |
36cdd013 | 1606 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
4d85529d | 1607 | |
36cdd013 | 1608 | if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
669ab5aa | 1609 | return vlv_drpc_info(m); |
36cdd013 | 1610 | else if (INTEL_GEN(dev_priv) >= 6) |
4d85529d BW |
1611 | return gen6_drpc_info(m); |
1612 | else | |
1613 | return ironlake_drpc_info(m); | |
1614 | } | |
1615 | ||
9a851789 DV |
1616 | static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) |
1617 | { | |
36cdd013 | 1618 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
9a851789 DV |
1619 | |
1620 | seq_printf(m, "FB tracking busy bits: 0x%08x\n", | |
1621 | dev_priv->fb_tracking.busy_bits); | |
1622 | ||
1623 | seq_printf(m, "FB tracking flip bits: 0x%08x\n", | |
1624 | dev_priv->fb_tracking.flip_bits); | |
1625 | ||
1626 | return 0; | |
1627 | } | |
1628 | ||
b5e50c3f JB |
1629 | static int i915_fbc_status(struct seq_file *m, void *unused) |
1630 | { | |
36cdd013 | 1631 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
b5e50c3f | 1632 | |
36cdd013 | 1633 | if (!HAS_FBC(dev_priv)) { |
267f0c90 | 1634 | seq_puts(m, "FBC unsupported on this chipset\n"); |
b5e50c3f JB |
1635 | return 0; |
1636 | } | |
1637 | ||
36623ef8 | 1638 | intel_runtime_pm_get(dev_priv); |
25ad93fd | 1639 | mutex_lock(&dev_priv->fbc.lock); |
36623ef8 | 1640 | |
0e631adc | 1641 | if (intel_fbc_is_active(dev_priv)) |
267f0c90 | 1642 | seq_puts(m, "FBC enabled\n"); |
2e8144a5 PZ |
1643 | else |
1644 | seq_printf(m, "FBC disabled: %s\n", | |
bf6189c6 | 1645 | dev_priv->fbc.no_fbc_reason); |
36623ef8 | 1646 | |
0fc6a9dc PZ |
1647 | if (intel_fbc_is_active(dev_priv) && INTEL_GEN(dev_priv) >= 7) { |
1648 | uint32_t mask = INTEL_GEN(dev_priv) >= 8 ? | |
1649 | BDW_FBC_COMPRESSION_MASK : | |
1650 | IVB_FBC_COMPRESSION_MASK; | |
31b9df10 | 1651 | seq_printf(m, "Compressing: %s\n", |
0fc6a9dc PZ |
1652 | yesno(I915_READ(FBC_STATUS2) & mask)); |
1653 | } | |
31b9df10 | 1654 | |
25ad93fd | 1655 | mutex_unlock(&dev_priv->fbc.lock); |
36623ef8 PZ |
1656 | intel_runtime_pm_put(dev_priv); |
1657 | ||
b5e50c3f JB |
1658 | return 0; |
1659 | } | |
1660 | ||
da46f936 RV |
1661 | static int i915_fbc_fc_get(void *data, u64 *val) |
1662 | { | |
36cdd013 | 1663 | struct drm_i915_private *dev_priv = data; |
da46f936 | 1664 | |
36cdd013 | 1665 | if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) |
da46f936 RV |
1666 | return -ENODEV; |
1667 | ||
da46f936 | 1668 | *val = dev_priv->fbc.false_color; |
da46f936 RV |
1669 | |
1670 | return 0; | |
1671 | } | |
1672 | ||
1673 | static int i915_fbc_fc_set(void *data, u64 val) | |
1674 | { | |
36cdd013 | 1675 | struct drm_i915_private *dev_priv = data; |
da46f936 RV |
1676 | u32 reg; |
1677 | ||
36cdd013 | 1678 | if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) |
da46f936 RV |
1679 | return -ENODEV; |
1680 | ||
25ad93fd | 1681 | mutex_lock(&dev_priv->fbc.lock); |
da46f936 RV |
1682 | |
1683 | reg = I915_READ(ILK_DPFC_CONTROL); | |
1684 | dev_priv->fbc.false_color = val; | |
1685 | ||
1686 | I915_WRITE(ILK_DPFC_CONTROL, val ? | |
1687 | (reg | FBC_CTL_FALSE_COLOR) : | |
1688 | (reg & ~FBC_CTL_FALSE_COLOR)); | |
1689 | ||
25ad93fd | 1690 | mutex_unlock(&dev_priv->fbc.lock); |
da46f936 RV |
1691 | return 0; |
1692 | } | |
1693 | ||
1694 | DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops, | |
1695 | i915_fbc_fc_get, i915_fbc_fc_set, | |
1696 | "%llu\n"); | |
1697 | ||
92d44621 PZ |
1698 | static int i915_ips_status(struct seq_file *m, void *unused) |
1699 | { | |
36cdd013 | 1700 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
92d44621 | 1701 | |
36cdd013 | 1702 | if (!HAS_IPS(dev_priv)) { |
92d44621 PZ |
1703 | seq_puts(m, "not supported\n"); |
1704 | return 0; | |
1705 | } | |
1706 | ||
36623ef8 PZ |
1707 | intel_runtime_pm_get(dev_priv); |
1708 | ||
0eaa53f0 RV |
1709 | seq_printf(m, "Enabled by kernel parameter: %s\n", |
1710 | yesno(i915.enable_ips)); | |
1711 | ||
36cdd013 | 1712 | if (INTEL_GEN(dev_priv) >= 8) { |
0eaa53f0 RV |
1713 | seq_puts(m, "Currently: unknown\n"); |
1714 | } else { | |
1715 | if (I915_READ(IPS_CTL) & IPS_ENABLE) | |
1716 | seq_puts(m, "Currently: enabled\n"); | |
1717 | else | |
1718 | seq_puts(m, "Currently: disabled\n"); | |
1719 | } | |
92d44621 | 1720 | |
36623ef8 PZ |
1721 | intel_runtime_pm_put(dev_priv); |
1722 | ||
92d44621 PZ |
1723 | return 0; |
1724 | } | |
1725 | ||
4a9bef37 JB |
1726 | static int i915_sr_status(struct seq_file *m, void *unused) |
1727 | { | |
36cdd013 | 1728 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
4a9bef37 JB |
1729 | bool sr_enabled = false; |
1730 | ||
36623ef8 | 1731 | intel_runtime_pm_get(dev_priv); |
9c870d03 | 1732 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); |
36623ef8 | 1733 | |
36cdd013 | 1734 | if (HAS_PCH_SPLIT(dev_priv)) |
5ba2aaaa | 1735 | sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; |
36cdd013 DW |
1736 | else if (IS_CRESTLINE(dev_priv) || IS_G4X(dev_priv) || |
1737 | IS_I945G(dev_priv) || IS_I945GM(dev_priv)) | |
4a9bef37 | 1738 | sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; |
36cdd013 | 1739 | else if (IS_I915GM(dev_priv)) |
4a9bef37 | 1740 | sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; |
36cdd013 | 1741 | else if (IS_PINEVIEW(dev_priv)) |
4a9bef37 | 1742 | sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; |
36cdd013 | 1743 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
77b64555 | 1744 | sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN; |
4a9bef37 | 1745 | |
9c870d03 | 1746 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); |
36623ef8 PZ |
1747 | intel_runtime_pm_put(dev_priv); |
1748 | ||
08c4d7fc | 1749 | seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled)); |
4a9bef37 JB |
1750 | |
1751 | return 0; | |
1752 | } | |
1753 | ||
7648fa99 JB |
1754 | static int i915_emon_status(struct seq_file *m, void *unused) |
1755 | { | |
36cdd013 DW |
1756 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1757 | struct drm_device *dev = &dev_priv->drm; | |
7648fa99 | 1758 | unsigned long temp, chipset, gfx; |
de227ef0 CW |
1759 | int ret; |
1760 | ||
36cdd013 | 1761 | if (!IS_GEN5(dev_priv)) |
582be6b4 CW |
1762 | return -ENODEV; |
1763 | ||
de227ef0 CW |
1764 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1765 | if (ret) | |
1766 | return ret; | |
7648fa99 JB |
1767 | |
1768 | temp = i915_mch_val(dev_priv); | |
1769 | chipset = i915_chipset_val(dev_priv); | |
1770 | gfx = i915_gfx_val(dev_priv); | |
de227ef0 | 1771 | mutex_unlock(&dev->struct_mutex); |
7648fa99 JB |
1772 | |
1773 | seq_printf(m, "GMCH temp: %ld\n", temp); | |
1774 | seq_printf(m, "Chipset power: %ld\n", chipset); | |
1775 | seq_printf(m, "GFX power: %ld\n", gfx); | |
1776 | seq_printf(m, "Total power: %ld\n", chipset + gfx); | |
1777 | ||
1778 | return 0; | |
1779 | } | |
1780 | ||
23b2f8bb JB |
1781 | static int i915_ring_freq_table(struct seq_file *m, void *unused) |
1782 | { | |
36cdd013 | 1783 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
5bfa0199 | 1784 | int ret = 0; |
23b2f8bb | 1785 | int gpu_freq, ia_freq; |
f936ec34 | 1786 | unsigned int max_gpu_freq, min_gpu_freq; |
23b2f8bb | 1787 | |
26310346 | 1788 | if (!HAS_LLC(dev_priv)) { |
267f0c90 | 1789 | seq_puts(m, "unsupported on this chipset\n"); |
23b2f8bb JB |
1790 | return 0; |
1791 | } | |
1792 | ||
5bfa0199 PZ |
1793 | intel_runtime_pm_get(dev_priv); |
1794 | ||
4fc688ce | 1795 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
23b2f8bb | 1796 | if (ret) |
5bfa0199 | 1797 | goto out; |
23b2f8bb | 1798 | |
36cdd013 | 1799 | if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { |
f936ec34 AG |
1800 | /* Convert GT frequency to 50 HZ units */ |
1801 | min_gpu_freq = | |
1802 | dev_priv->rps.min_freq_softlimit / GEN9_FREQ_SCALER; | |
1803 | max_gpu_freq = | |
1804 | dev_priv->rps.max_freq_softlimit / GEN9_FREQ_SCALER; | |
1805 | } else { | |
1806 | min_gpu_freq = dev_priv->rps.min_freq_softlimit; | |
1807 | max_gpu_freq = dev_priv->rps.max_freq_softlimit; | |
1808 | } | |
1809 | ||
267f0c90 | 1810 | seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n"); |
23b2f8bb | 1811 | |
f936ec34 | 1812 | for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) { |
42c0526c BW |
1813 | ia_freq = gpu_freq; |
1814 | sandybridge_pcode_read(dev_priv, | |
1815 | GEN6_PCODE_READ_MIN_FREQ_TABLE, | |
1816 | &ia_freq); | |
3ebecd07 | 1817 | seq_printf(m, "%d\t\t%d\t\t\t\t%d\n", |
f936ec34 | 1818 | intel_gpu_freq(dev_priv, (gpu_freq * |
36cdd013 | 1819 | (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) ? |
ef11bdb3 | 1820 | GEN9_FREQ_SCALER : 1))), |
3ebecd07 CW |
1821 | ((ia_freq >> 0) & 0xff) * 100, |
1822 | ((ia_freq >> 8) & 0xff) * 100); | |
23b2f8bb JB |
1823 | } |
1824 | ||
4fc688ce | 1825 | mutex_unlock(&dev_priv->rps.hw_lock); |
23b2f8bb | 1826 | |
5bfa0199 PZ |
1827 | out: |
1828 | intel_runtime_pm_put(dev_priv); | |
1829 | return ret; | |
23b2f8bb JB |
1830 | } |
1831 | ||
44834a67 CW |
1832 | static int i915_opregion(struct seq_file *m, void *unused) |
1833 | { | |
36cdd013 DW |
1834 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1835 | struct drm_device *dev = &dev_priv->drm; | |
44834a67 CW |
1836 | struct intel_opregion *opregion = &dev_priv->opregion; |
1837 | int ret; | |
1838 | ||
1839 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1840 | if (ret) | |
0d38f009 | 1841 | goto out; |
44834a67 | 1842 | |
2455a8e4 JN |
1843 | if (opregion->header) |
1844 | seq_write(m, opregion->header, OPREGION_SIZE); | |
44834a67 CW |
1845 | |
1846 | mutex_unlock(&dev->struct_mutex); | |
1847 | ||
0d38f009 | 1848 | out: |
44834a67 CW |
1849 | return 0; |
1850 | } | |
1851 | ||
ada8f955 JN |
1852 | static int i915_vbt(struct seq_file *m, void *unused) |
1853 | { | |
36cdd013 | 1854 | struct intel_opregion *opregion = &node_to_i915(m->private)->opregion; |
ada8f955 JN |
1855 | |
1856 | if (opregion->vbt) | |
1857 | seq_write(m, opregion->vbt, opregion->vbt_size); | |
1858 | ||
1859 | return 0; | |
1860 | } | |
1861 | ||
37811fcc CW |
1862 | static int i915_gem_framebuffer_info(struct seq_file *m, void *data) |
1863 | { | |
36cdd013 DW |
1864 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1865 | struct drm_device *dev = &dev_priv->drm; | |
b13b8402 | 1866 | struct intel_framebuffer *fbdev_fb = NULL; |
3a58ee10 | 1867 | struct drm_framebuffer *drm_fb; |
188c1ab7 CW |
1868 | int ret; |
1869 | ||
1870 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1871 | if (ret) | |
1872 | return ret; | |
37811fcc | 1873 | |
0695726e | 1874 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
36cdd013 DW |
1875 | if (dev_priv->fbdev) { |
1876 | fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb); | |
25bcce94 CW |
1877 | |
1878 | seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", | |
1879 | fbdev_fb->base.width, | |
1880 | fbdev_fb->base.height, | |
1881 | fbdev_fb->base.depth, | |
1882 | fbdev_fb->base.bits_per_pixel, | |
bae781b2 | 1883 | fbdev_fb->base.modifier, |
25bcce94 CW |
1884 | drm_framebuffer_read_refcount(&fbdev_fb->base)); |
1885 | describe_obj(m, fbdev_fb->obj); | |
1886 | seq_putc(m, '\n'); | |
1887 | } | |
4520f53a | 1888 | #endif |
37811fcc | 1889 | |
4b096ac1 | 1890 | mutex_lock(&dev->mode_config.fb_lock); |
3a58ee10 | 1891 | drm_for_each_fb(drm_fb, dev) { |
b13b8402 NS |
1892 | struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb); |
1893 | if (fb == fbdev_fb) | |
37811fcc CW |
1894 | continue; |
1895 | ||
c1ca506d | 1896 | seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", |
37811fcc CW |
1897 | fb->base.width, |
1898 | fb->base.height, | |
1899 | fb->base.depth, | |
623f9783 | 1900 | fb->base.bits_per_pixel, |
bae781b2 | 1901 | fb->base.modifier, |
747a598f | 1902 | drm_framebuffer_read_refcount(&fb->base)); |
05394f39 | 1903 | describe_obj(m, fb->obj); |
267f0c90 | 1904 | seq_putc(m, '\n'); |
37811fcc | 1905 | } |
4b096ac1 | 1906 | mutex_unlock(&dev->mode_config.fb_lock); |
188c1ab7 | 1907 | mutex_unlock(&dev->struct_mutex); |
37811fcc CW |
1908 | |
1909 | return 0; | |
1910 | } | |
1911 | ||
7e37f889 | 1912 | static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring) |
c9fe99bd OM |
1913 | { |
1914 | seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)", | |
7e37f889 CW |
1915 | ring->space, ring->head, ring->tail, |
1916 | ring->last_retired_head); | |
c9fe99bd OM |
1917 | } |
1918 | ||
e76d3630 BW |
1919 | static int i915_context_status(struct seq_file *m, void *unused) |
1920 | { | |
36cdd013 DW |
1921 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1922 | struct drm_device *dev = &dev_priv->drm; | |
e2f80391 | 1923 | struct intel_engine_cs *engine; |
e2efd130 | 1924 | struct i915_gem_context *ctx; |
3b3f1650 | 1925 | enum intel_engine_id id; |
c3232b18 | 1926 | int ret; |
e76d3630 | 1927 | |
f3d28878 | 1928 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
e76d3630 BW |
1929 | if (ret) |
1930 | return ret; | |
1931 | ||
a33afea5 | 1932 | list_for_each_entry(ctx, &dev_priv->context_list, link) { |
5d1808ec | 1933 | seq_printf(m, "HW context %u ", ctx->hw_id); |
c84455b4 | 1934 | if (ctx->pid) { |
d28b99ab CW |
1935 | struct task_struct *task; |
1936 | ||
c84455b4 | 1937 | task = get_pid_task(ctx->pid, PIDTYPE_PID); |
d28b99ab CW |
1938 | if (task) { |
1939 | seq_printf(m, "(%s [%d]) ", | |
1940 | task->comm, task->pid); | |
1941 | put_task_struct(task); | |
1942 | } | |
c84455b4 CW |
1943 | } else if (IS_ERR(ctx->file_priv)) { |
1944 | seq_puts(m, "(deleted) "); | |
d28b99ab CW |
1945 | } else { |
1946 | seq_puts(m, "(kernel) "); | |
1947 | } | |
1948 | ||
bca44d80 CW |
1949 | seq_putc(m, ctx->remap_slice ? 'R' : 'r'); |
1950 | seq_putc(m, '\n'); | |
c9fe99bd | 1951 | |
3b3f1650 | 1952 | for_each_engine(engine, dev_priv, id) { |
bca44d80 CW |
1953 | struct intel_context *ce = &ctx->engine[engine->id]; |
1954 | ||
1955 | seq_printf(m, "%s: ", engine->name); | |
1956 | seq_putc(m, ce->initialised ? 'I' : 'i'); | |
1957 | if (ce->state) | |
bf3783e5 | 1958 | describe_obj(m, ce->state->obj); |
dca33ecc | 1959 | if (ce->ring) |
7e37f889 | 1960 | describe_ctx_ring(m, ce->ring); |
c9fe99bd | 1961 | seq_putc(m, '\n'); |
c9fe99bd | 1962 | } |
a33afea5 | 1963 | |
a33afea5 | 1964 | seq_putc(m, '\n'); |
a168c293 BW |
1965 | } |
1966 | ||
f3d28878 | 1967 | mutex_unlock(&dev->struct_mutex); |
e76d3630 BW |
1968 | |
1969 | return 0; | |
1970 | } | |
1971 | ||
064ca1d2 | 1972 | static void i915_dump_lrc_obj(struct seq_file *m, |
e2efd130 | 1973 | struct i915_gem_context *ctx, |
0bc40be8 | 1974 | struct intel_engine_cs *engine) |
064ca1d2 | 1975 | { |
bf3783e5 | 1976 | struct i915_vma *vma = ctx->engine[engine->id].state; |
064ca1d2 | 1977 | struct page *page; |
064ca1d2 | 1978 | int j; |
064ca1d2 | 1979 | |
7069b144 CW |
1980 | seq_printf(m, "CONTEXT: %s %u\n", engine->name, ctx->hw_id); |
1981 | ||
bf3783e5 CW |
1982 | if (!vma) { |
1983 | seq_puts(m, "\tFake context\n"); | |
064ca1d2 TD |
1984 | return; |
1985 | } | |
1986 | ||
bf3783e5 CW |
1987 | if (vma->flags & I915_VMA_GLOBAL_BIND) |
1988 | seq_printf(m, "\tBound in GGTT at 0x%08x\n", | |
bde13ebd | 1989 | i915_ggtt_offset(vma)); |
064ca1d2 | 1990 | |
a4f5ea64 | 1991 | if (i915_gem_object_pin_pages(vma->obj)) { |
bf3783e5 | 1992 | seq_puts(m, "\tFailed to get pages for context object\n\n"); |
064ca1d2 TD |
1993 | return; |
1994 | } | |
1995 | ||
bf3783e5 CW |
1996 | page = i915_gem_object_get_page(vma->obj, LRC_STATE_PN); |
1997 | if (page) { | |
1998 | u32 *reg_state = kmap_atomic(page); | |
064ca1d2 TD |
1999 | |
2000 | for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) { | |
bf3783e5 CW |
2001 | seq_printf(m, |
2002 | "\t[0x%04x] 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
2003 | j * 4, | |
064ca1d2 TD |
2004 | reg_state[j], reg_state[j + 1], |
2005 | reg_state[j + 2], reg_state[j + 3]); | |
2006 | } | |
2007 | kunmap_atomic(reg_state); | |
2008 | } | |
2009 | ||
a4f5ea64 | 2010 | i915_gem_object_unpin_pages(vma->obj); |
064ca1d2 TD |
2011 | seq_putc(m, '\n'); |
2012 | } | |
2013 | ||
c0ab1ae9 BW |
2014 | static int i915_dump_lrc(struct seq_file *m, void *unused) |
2015 | { | |
36cdd013 DW |
2016 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2017 | struct drm_device *dev = &dev_priv->drm; | |
e2f80391 | 2018 | struct intel_engine_cs *engine; |
e2efd130 | 2019 | struct i915_gem_context *ctx; |
3b3f1650 | 2020 | enum intel_engine_id id; |
b4ac5afc | 2021 | int ret; |
c0ab1ae9 BW |
2022 | |
2023 | if (!i915.enable_execlists) { | |
2024 | seq_printf(m, "Logical Ring Contexts are disabled\n"); | |
2025 | return 0; | |
2026 | } | |
2027 | ||
2028 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2029 | if (ret) | |
2030 | return ret; | |
2031 | ||
e28e404c | 2032 | list_for_each_entry(ctx, &dev_priv->context_list, link) |
3b3f1650 | 2033 | for_each_engine(engine, dev_priv, id) |
24f1d3cc | 2034 | i915_dump_lrc_obj(m, ctx, engine); |
c0ab1ae9 BW |
2035 | |
2036 | mutex_unlock(&dev->struct_mutex); | |
2037 | ||
2038 | return 0; | |
2039 | } | |
2040 | ||
ea16a3cd DV |
2041 | static const char *swizzle_string(unsigned swizzle) |
2042 | { | |
aee56cff | 2043 | switch (swizzle) { |
ea16a3cd DV |
2044 | case I915_BIT_6_SWIZZLE_NONE: |
2045 | return "none"; | |
2046 | case I915_BIT_6_SWIZZLE_9: | |
2047 | return "bit9"; | |
2048 | case I915_BIT_6_SWIZZLE_9_10: | |
2049 | return "bit9/bit10"; | |
2050 | case I915_BIT_6_SWIZZLE_9_11: | |
2051 | return "bit9/bit11"; | |
2052 | case I915_BIT_6_SWIZZLE_9_10_11: | |
2053 | return "bit9/bit10/bit11"; | |
2054 | case I915_BIT_6_SWIZZLE_9_17: | |
2055 | return "bit9/bit17"; | |
2056 | case I915_BIT_6_SWIZZLE_9_10_17: | |
2057 | return "bit9/bit10/bit17"; | |
2058 | case I915_BIT_6_SWIZZLE_UNKNOWN: | |
8a168ca7 | 2059 | return "unknown"; |
ea16a3cd DV |
2060 | } |
2061 | ||
2062 | return "bug"; | |
2063 | } | |
2064 | ||
2065 | static int i915_swizzle_info(struct seq_file *m, void *data) | |
2066 | { | |
36cdd013 | 2067 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
22bcfc6a | 2068 | |
c8c8fb33 | 2069 | intel_runtime_pm_get(dev_priv); |
ea16a3cd | 2070 | |
ea16a3cd DV |
2071 | seq_printf(m, "bit6 swizzle for X-tiling = %s\n", |
2072 | swizzle_string(dev_priv->mm.bit_6_swizzle_x)); | |
2073 | seq_printf(m, "bit6 swizzle for Y-tiling = %s\n", | |
2074 | swizzle_string(dev_priv->mm.bit_6_swizzle_y)); | |
2075 | ||
36cdd013 | 2076 | if (IS_GEN3(dev_priv) || IS_GEN4(dev_priv)) { |
ea16a3cd DV |
2077 | seq_printf(m, "DDC = 0x%08x\n", |
2078 | I915_READ(DCC)); | |
656bfa3a DV |
2079 | seq_printf(m, "DDC2 = 0x%08x\n", |
2080 | I915_READ(DCC2)); | |
ea16a3cd DV |
2081 | seq_printf(m, "C0DRB3 = 0x%04x\n", |
2082 | I915_READ16(C0DRB3)); | |
2083 | seq_printf(m, "C1DRB3 = 0x%04x\n", | |
2084 | I915_READ16(C1DRB3)); | |
36cdd013 | 2085 | } else if (INTEL_GEN(dev_priv) >= 6) { |
3fa7d235 DV |
2086 | seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n", |
2087 | I915_READ(MAD_DIMM_C0)); | |
2088 | seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n", | |
2089 | I915_READ(MAD_DIMM_C1)); | |
2090 | seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n", | |
2091 | I915_READ(MAD_DIMM_C2)); | |
2092 | seq_printf(m, "TILECTL = 0x%08x\n", | |
2093 | I915_READ(TILECTL)); | |
36cdd013 | 2094 | if (INTEL_GEN(dev_priv) >= 8) |
9d3203e1 BW |
2095 | seq_printf(m, "GAMTARBMODE = 0x%08x\n", |
2096 | I915_READ(GAMTARBMODE)); | |
2097 | else | |
2098 | seq_printf(m, "ARB_MODE = 0x%08x\n", | |
2099 | I915_READ(ARB_MODE)); | |
3fa7d235 DV |
2100 | seq_printf(m, "DISP_ARB_CTL = 0x%08x\n", |
2101 | I915_READ(DISP_ARB_CTL)); | |
ea16a3cd | 2102 | } |
656bfa3a DV |
2103 | |
2104 | if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) | |
2105 | seq_puts(m, "L-shaped memory detected\n"); | |
2106 | ||
c8c8fb33 | 2107 | intel_runtime_pm_put(dev_priv); |
ea16a3cd DV |
2108 | |
2109 | return 0; | |
2110 | } | |
2111 | ||
1c60fef5 BW |
2112 | static int per_file_ctx(int id, void *ptr, void *data) |
2113 | { | |
e2efd130 | 2114 | struct i915_gem_context *ctx = ptr; |
1c60fef5 | 2115 | struct seq_file *m = data; |
ae6c4806 DV |
2116 | struct i915_hw_ppgtt *ppgtt = ctx->ppgtt; |
2117 | ||
2118 | if (!ppgtt) { | |
2119 | seq_printf(m, " no ppgtt for context %d\n", | |
2120 | ctx->user_handle); | |
2121 | return 0; | |
2122 | } | |
1c60fef5 | 2123 | |
f83d6518 OM |
2124 | if (i915_gem_context_is_default(ctx)) |
2125 | seq_puts(m, " default context:\n"); | |
2126 | else | |
821d66dd | 2127 | seq_printf(m, " context %d:\n", ctx->user_handle); |
1c60fef5 BW |
2128 | ppgtt->debug_dump(ppgtt, m); |
2129 | ||
2130 | return 0; | |
2131 | } | |
2132 | ||
36cdd013 DW |
2133 | static void gen8_ppgtt_info(struct seq_file *m, |
2134 | struct drm_i915_private *dev_priv) | |
3cf17fc5 | 2135 | { |
77df6772 | 2136 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; |
3b3f1650 AG |
2137 | struct intel_engine_cs *engine; |
2138 | enum intel_engine_id id; | |
b4ac5afc | 2139 | int i; |
3cf17fc5 | 2140 | |
77df6772 BW |
2141 | if (!ppgtt) |
2142 | return; | |
2143 | ||
3b3f1650 | 2144 | for_each_engine(engine, dev_priv, id) { |
e2f80391 | 2145 | seq_printf(m, "%s\n", engine->name); |
77df6772 | 2146 | for (i = 0; i < 4; i++) { |
e2f80391 | 2147 | u64 pdp = I915_READ(GEN8_RING_PDP_UDW(engine, i)); |
77df6772 | 2148 | pdp <<= 32; |
e2f80391 | 2149 | pdp |= I915_READ(GEN8_RING_PDP_LDW(engine, i)); |
a2a5b15c | 2150 | seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp); |
77df6772 BW |
2151 | } |
2152 | } | |
2153 | } | |
2154 | ||
36cdd013 DW |
2155 | static void gen6_ppgtt_info(struct seq_file *m, |
2156 | struct drm_i915_private *dev_priv) | |
77df6772 | 2157 | { |
e2f80391 | 2158 | struct intel_engine_cs *engine; |
3b3f1650 | 2159 | enum intel_engine_id id; |
3cf17fc5 | 2160 | |
7e22dbbb | 2161 | if (IS_GEN6(dev_priv)) |
3cf17fc5 DV |
2162 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE)); |
2163 | ||
3b3f1650 | 2164 | for_each_engine(engine, dev_priv, id) { |
e2f80391 | 2165 | seq_printf(m, "%s\n", engine->name); |
7e22dbbb | 2166 | if (IS_GEN7(dev_priv)) |
e2f80391 TU |
2167 | seq_printf(m, "GFX_MODE: 0x%08x\n", |
2168 | I915_READ(RING_MODE_GEN7(engine))); | |
2169 | seq_printf(m, "PP_DIR_BASE: 0x%08x\n", | |
2170 | I915_READ(RING_PP_DIR_BASE(engine))); | |
2171 | seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", | |
2172 | I915_READ(RING_PP_DIR_BASE_READ(engine))); | |
2173 | seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", | |
2174 | I915_READ(RING_PP_DIR_DCLV(engine))); | |
3cf17fc5 DV |
2175 | } |
2176 | if (dev_priv->mm.aliasing_ppgtt) { | |
2177 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; | |
2178 | ||
267f0c90 | 2179 | seq_puts(m, "aliasing PPGTT:\n"); |
44159ddb | 2180 | seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset); |
1c60fef5 | 2181 | |
87d60b63 | 2182 | ppgtt->debug_dump(ppgtt, m); |
ae6c4806 | 2183 | } |
1c60fef5 | 2184 | |
3cf17fc5 | 2185 | seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); |
77df6772 BW |
2186 | } |
2187 | ||
2188 | static int i915_ppgtt_info(struct seq_file *m, void *data) | |
2189 | { | |
36cdd013 DW |
2190 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2191 | struct drm_device *dev = &dev_priv->drm; | |
ea91e401 | 2192 | struct drm_file *file; |
637ee29e | 2193 | int ret; |
77df6772 | 2194 | |
637ee29e CW |
2195 | mutex_lock(&dev->filelist_mutex); |
2196 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
77df6772 | 2197 | if (ret) |
637ee29e CW |
2198 | goto out_unlock; |
2199 | ||
c8c8fb33 | 2200 | intel_runtime_pm_get(dev_priv); |
77df6772 | 2201 | |
36cdd013 DW |
2202 | if (INTEL_GEN(dev_priv) >= 8) |
2203 | gen8_ppgtt_info(m, dev_priv); | |
2204 | else if (INTEL_GEN(dev_priv) >= 6) | |
2205 | gen6_ppgtt_info(m, dev_priv); | |
77df6772 | 2206 | |
ea91e401 MT |
2207 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
2208 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
7cb5dff8 | 2209 | struct task_struct *task; |
ea91e401 | 2210 | |
7cb5dff8 | 2211 | task = get_pid_task(file->pid, PIDTYPE_PID); |
06812760 DC |
2212 | if (!task) { |
2213 | ret = -ESRCH; | |
637ee29e | 2214 | goto out_rpm; |
06812760 | 2215 | } |
7cb5dff8 GT |
2216 | seq_printf(m, "\nproc: %s\n", task->comm); |
2217 | put_task_struct(task); | |
ea91e401 MT |
2218 | idr_for_each(&file_priv->context_idr, per_file_ctx, |
2219 | (void *)(unsigned long)m); | |
2220 | } | |
2221 | ||
637ee29e | 2222 | out_rpm: |
c8c8fb33 | 2223 | intel_runtime_pm_put(dev_priv); |
3cf17fc5 | 2224 | mutex_unlock(&dev->struct_mutex); |
637ee29e CW |
2225 | out_unlock: |
2226 | mutex_unlock(&dev->filelist_mutex); | |
06812760 | 2227 | return ret; |
3cf17fc5 DV |
2228 | } |
2229 | ||
f5a4c67d CW |
2230 | static int count_irq_waiters(struct drm_i915_private *i915) |
2231 | { | |
e2f80391 | 2232 | struct intel_engine_cs *engine; |
3b3f1650 | 2233 | enum intel_engine_id id; |
f5a4c67d | 2234 | int count = 0; |
f5a4c67d | 2235 | |
3b3f1650 | 2236 | for_each_engine(engine, i915, id) |
688e6c72 | 2237 | count += intel_engine_has_waiter(engine); |
f5a4c67d CW |
2238 | |
2239 | return count; | |
2240 | } | |
2241 | ||
7466c291 CW |
2242 | static const char *rps_power_to_str(unsigned int power) |
2243 | { | |
2244 | static const char * const strings[] = { | |
2245 | [LOW_POWER] = "low power", | |
2246 | [BETWEEN] = "mixed", | |
2247 | [HIGH_POWER] = "high power", | |
2248 | }; | |
2249 | ||
2250 | if (power >= ARRAY_SIZE(strings) || !strings[power]) | |
2251 | return "unknown"; | |
2252 | ||
2253 | return strings[power]; | |
2254 | } | |
2255 | ||
1854d5ca CW |
2256 | static int i915_rps_boost_info(struct seq_file *m, void *data) |
2257 | { | |
36cdd013 DW |
2258 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2259 | struct drm_device *dev = &dev_priv->drm; | |
1854d5ca | 2260 | struct drm_file *file; |
1854d5ca | 2261 | |
f5a4c67d | 2262 | seq_printf(m, "RPS enabled? %d\n", dev_priv->rps.enabled); |
28176ef4 CW |
2263 | seq_printf(m, "GPU busy? %s [%d requests]\n", |
2264 | yesno(dev_priv->gt.awake), dev_priv->gt.active_requests); | |
f5a4c67d | 2265 | seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv)); |
7466c291 CW |
2266 | seq_printf(m, "Frequency requested %d\n", |
2267 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
2268 | seq_printf(m, " min hard:%d, soft:%d; max soft:%d, hard:%d\n", | |
f5a4c67d CW |
2269 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq), |
2270 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit), | |
2271 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit), | |
2272 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
7466c291 CW |
2273 | seq_printf(m, " idle:%d, efficient:%d, boost:%d\n", |
2274 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq), | |
2275 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq), | |
2276 | intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); | |
1d2ac403 DV |
2277 | |
2278 | mutex_lock(&dev->filelist_mutex); | |
8d3afd7d | 2279 | spin_lock(&dev_priv->rps.client_lock); |
1854d5ca CW |
2280 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
2281 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
2282 | struct task_struct *task; | |
2283 | ||
2284 | rcu_read_lock(); | |
2285 | task = pid_task(file->pid, PIDTYPE_PID); | |
2286 | seq_printf(m, "%s [%d]: %d boosts%s\n", | |
2287 | task ? task->comm : "<unknown>", | |
2288 | task ? task->pid : -1, | |
2e1b8730 CW |
2289 | file_priv->rps.boosts, |
2290 | list_empty(&file_priv->rps.link) ? "" : ", active"); | |
1854d5ca CW |
2291 | rcu_read_unlock(); |
2292 | } | |
197be2ae | 2293 | seq_printf(m, "Kernel (anonymous) boosts: %d\n", dev_priv->rps.boosts); |
8d3afd7d | 2294 | spin_unlock(&dev_priv->rps.client_lock); |
1d2ac403 | 2295 | mutex_unlock(&dev->filelist_mutex); |
1854d5ca | 2296 | |
7466c291 CW |
2297 | if (INTEL_GEN(dev_priv) >= 6 && |
2298 | dev_priv->rps.enabled && | |
28176ef4 | 2299 | dev_priv->gt.active_requests) { |
7466c291 CW |
2300 | u32 rpup, rpupei; |
2301 | u32 rpdown, rpdownei; | |
2302 | ||
2303 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); | |
2304 | rpup = I915_READ_FW(GEN6_RP_CUR_UP) & GEN6_RP_EI_MASK; | |
2305 | rpupei = I915_READ_FW(GEN6_RP_CUR_UP_EI) & GEN6_RP_EI_MASK; | |
2306 | rpdown = I915_READ_FW(GEN6_RP_CUR_DOWN) & GEN6_RP_EI_MASK; | |
2307 | rpdownei = I915_READ_FW(GEN6_RP_CUR_DOWN_EI) & GEN6_RP_EI_MASK; | |
2308 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); | |
2309 | ||
2310 | seq_printf(m, "\nRPS Autotuning (current \"%s\" window):\n", | |
2311 | rps_power_to_str(dev_priv->rps.power)); | |
2312 | seq_printf(m, " Avg. up: %d%% [above threshold? %d%%]\n", | |
2313 | 100 * rpup / rpupei, | |
2314 | dev_priv->rps.up_threshold); | |
2315 | seq_printf(m, " Avg. down: %d%% [below threshold? %d%%]\n", | |
2316 | 100 * rpdown / rpdownei, | |
2317 | dev_priv->rps.down_threshold); | |
2318 | } else { | |
2319 | seq_puts(m, "\nRPS Autotuning inactive\n"); | |
2320 | } | |
2321 | ||
8d3afd7d | 2322 | return 0; |
1854d5ca CW |
2323 | } |
2324 | ||
63573eb7 BW |
2325 | static int i915_llc(struct seq_file *m, void *data) |
2326 | { | |
36cdd013 | 2327 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3accaf7e | 2328 | const bool edram = INTEL_GEN(dev_priv) > 8; |
63573eb7 | 2329 | |
36cdd013 | 2330 | seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev_priv))); |
3accaf7e MK |
2331 | seq_printf(m, "%s: %lluMB\n", edram ? "eDRAM" : "eLLC", |
2332 | intel_uncore_edram_size(dev_priv)/1024/1024); | |
63573eb7 BW |
2333 | |
2334 | return 0; | |
2335 | } | |
2336 | ||
fdf5d357 AD |
2337 | static int i915_guc_load_status_info(struct seq_file *m, void *data) |
2338 | { | |
36cdd013 | 2339 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
fdf5d357 AD |
2340 | struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw; |
2341 | u32 tmp, i; | |
2342 | ||
2d1fe073 | 2343 | if (!HAS_GUC_UCODE(dev_priv)) |
fdf5d357 AD |
2344 | return 0; |
2345 | ||
2346 | seq_printf(m, "GuC firmware status:\n"); | |
2347 | seq_printf(m, "\tpath: %s\n", | |
2348 | guc_fw->guc_fw_path); | |
2349 | seq_printf(m, "\tfetch: %s\n", | |
2350 | intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status)); | |
2351 | seq_printf(m, "\tload: %s\n", | |
2352 | intel_guc_fw_status_repr(guc_fw->guc_fw_load_status)); | |
2353 | seq_printf(m, "\tversion wanted: %d.%d\n", | |
2354 | guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted); | |
2355 | seq_printf(m, "\tversion found: %d.%d\n", | |
2356 | guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found); | |
feda33ef AD |
2357 | seq_printf(m, "\theader: offset is %d; size = %d\n", |
2358 | guc_fw->header_offset, guc_fw->header_size); | |
2359 | seq_printf(m, "\tuCode: offset is %d; size = %d\n", | |
2360 | guc_fw->ucode_offset, guc_fw->ucode_size); | |
2361 | seq_printf(m, "\tRSA: offset is %d; size = %d\n", | |
2362 | guc_fw->rsa_offset, guc_fw->rsa_size); | |
fdf5d357 AD |
2363 | |
2364 | tmp = I915_READ(GUC_STATUS); | |
2365 | ||
2366 | seq_printf(m, "\nGuC status 0x%08x:\n", tmp); | |
2367 | seq_printf(m, "\tBootrom status = 0x%x\n", | |
2368 | (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT); | |
2369 | seq_printf(m, "\tuKernel status = 0x%x\n", | |
2370 | (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT); | |
2371 | seq_printf(m, "\tMIA Core status = 0x%x\n", | |
2372 | (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT); | |
2373 | seq_puts(m, "\nScratch registers:\n"); | |
2374 | for (i = 0; i < 16; i++) | |
2375 | seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i))); | |
2376 | ||
2377 | return 0; | |
2378 | } | |
2379 | ||
5aa1ee4b AG |
2380 | static void i915_guc_log_info(struct seq_file *m, |
2381 | struct drm_i915_private *dev_priv) | |
2382 | { | |
2383 | struct intel_guc *guc = &dev_priv->guc; | |
2384 | ||
2385 | seq_puts(m, "\nGuC logging stats:\n"); | |
2386 | ||
2387 | seq_printf(m, "\tISR: flush count %10u, overflow count %10u\n", | |
2388 | guc->log.flush_count[GUC_ISR_LOG_BUFFER], | |
2389 | guc->log.total_overflow_count[GUC_ISR_LOG_BUFFER]); | |
2390 | ||
2391 | seq_printf(m, "\tDPC: flush count %10u, overflow count %10u\n", | |
2392 | guc->log.flush_count[GUC_DPC_LOG_BUFFER], | |
2393 | guc->log.total_overflow_count[GUC_DPC_LOG_BUFFER]); | |
2394 | ||
2395 | seq_printf(m, "\tCRASH: flush count %10u, overflow count %10u\n", | |
2396 | guc->log.flush_count[GUC_CRASH_DUMP_LOG_BUFFER], | |
2397 | guc->log.total_overflow_count[GUC_CRASH_DUMP_LOG_BUFFER]); | |
2398 | ||
2399 | seq_printf(m, "\tTotal flush interrupt count: %u\n", | |
2400 | guc->log.flush_interrupt_count); | |
2401 | ||
2402 | seq_printf(m, "\tCapture miss count: %u\n", | |
2403 | guc->log.capture_miss_count); | |
2404 | } | |
2405 | ||
8b417c26 DG |
2406 | static void i915_guc_client_info(struct seq_file *m, |
2407 | struct drm_i915_private *dev_priv, | |
2408 | struct i915_guc_client *client) | |
2409 | { | |
e2f80391 | 2410 | struct intel_engine_cs *engine; |
c18468c4 | 2411 | enum intel_engine_id id; |
8b417c26 | 2412 | uint64_t tot = 0; |
8b417c26 DG |
2413 | |
2414 | seq_printf(m, "\tPriority %d, GuC ctx index: %u, PD offset 0x%x\n", | |
2415 | client->priority, client->ctx_index, client->proc_desc_offset); | |
2416 | seq_printf(m, "\tDoorbell id %d, offset: 0x%x, cookie 0x%x\n", | |
357248bf | 2417 | client->doorbell_id, client->doorbell_offset, client->doorbell_cookie); |
8b417c26 DG |
2418 | seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n", |
2419 | client->wq_size, client->wq_offset, client->wq_tail); | |
2420 | ||
551aaecd | 2421 | seq_printf(m, "\tWork queue full: %u\n", client->no_wq_space); |
8b417c26 DG |
2422 | seq_printf(m, "\tFailed doorbell: %u\n", client->b_fail); |
2423 | seq_printf(m, "\tLast submission result: %d\n", client->retcode); | |
2424 | ||
3b3f1650 | 2425 | for_each_engine(engine, dev_priv, id) { |
c18468c4 DG |
2426 | u64 submissions = client->submissions[id]; |
2427 | tot += submissions; | |
8b417c26 | 2428 | seq_printf(m, "\tSubmissions: %llu %s\n", |
c18468c4 | 2429 | submissions, engine->name); |
8b417c26 DG |
2430 | } |
2431 | seq_printf(m, "\tTotal: %llu\n", tot); | |
2432 | } | |
2433 | ||
2434 | static int i915_guc_info(struct seq_file *m, void *data) | |
2435 | { | |
36cdd013 | 2436 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
334636c6 | 2437 | const struct intel_guc *guc = &dev_priv->guc; |
e2f80391 | 2438 | struct intel_engine_cs *engine; |
c18468c4 | 2439 | enum intel_engine_id id; |
334636c6 | 2440 | u64 total; |
8b417c26 | 2441 | |
334636c6 CW |
2442 | if (!guc->execbuf_client) { |
2443 | seq_printf(m, "GuC submission %s\n", | |
2444 | HAS_GUC_SCHED(dev_priv) ? | |
2445 | "disabled" : | |
2446 | "not supported"); | |
5a843307 | 2447 | return 0; |
334636c6 | 2448 | } |
8b417c26 | 2449 | |
9636f6db | 2450 | seq_printf(m, "Doorbell map:\n"); |
334636c6 CW |
2451 | seq_printf(m, "\t%*pb\n", GUC_MAX_DOORBELLS, guc->doorbell_bitmap); |
2452 | seq_printf(m, "Doorbell next cacheline: 0x%x\n\n", guc->db_cacheline); | |
9636f6db | 2453 | |
334636c6 CW |
2454 | seq_printf(m, "GuC total action count: %llu\n", guc->action_count); |
2455 | seq_printf(m, "GuC action failure count: %u\n", guc->action_fail); | |
2456 | seq_printf(m, "GuC last action command: 0x%x\n", guc->action_cmd); | |
2457 | seq_printf(m, "GuC last action status: 0x%x\n", guc->action_status); | |
2458 | seq_printf(m, "GuC last action error code: %d\n", guc->action_err); | |
8b417c26 | 2459 | |
334636c6 | 2460 | total = 0; |
8b417c26 | 2461 | seq_printf(m, "\nGuC submissions:\n"); |
3b3f1650 | 2462 | for_each_engine(engine, dev_priv, id) { |
334636c6 | 2463 | u64 submissions = guc->submissions[id]; |
c18468c4 | 2464 | total += submissions; |
397097b0 | 2465 | seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x\n", |
334636c6 | 2466 | engine->name, submissions, guc->last_seqno[id]); |
8b417c26 DG |
2467 | } |
2468 | seq_printf(m, "\t%s: %llu\n", "Total", total); | |
2469 | ||
334636c6 CW |
2470 | seq_printf(m, "\nGuC execbuf client @ %p:\n", guc->execbuf_client); |
2471 | i915_guc_client_info(m, dev_priv, guc->execbuf_client); | |
8b417c26 | 2472 | |
5aa1ee4b AG |
2473 | i915_guc_log_info(m, dev_priv); |
2474 | ||
8b417c26 DG |
2475 | /* Add more as required ... */ |
2476 | ||
2477 | return 0; | |
2478 | } | |
2479 | ||
4c7e77fc AD |
2480 | static int i915_guc_log_dump(struct seq_file *m, void *data) |
2481 | { | |
36cdd013 | 2482 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
8b797af1 | 2483 | struct drm_i915_gem_object *obj; |
4c7e77fc AD |
2484 | int i = 0, pg; |
2485 | ||
d6b40b4b | 2486 | if (!dev_priv->guc.log.vma) |
4c7e77fc AD |
2487 | return 0; |
2488 | ||
d6b40b4b | 2489 | obj = dev_priv->guc.log.vma->obj; |
8b797af1 CW |
2490 | for (pg = 0; pg < obj->base.size / PAGE_SIZE; pg++) { |
2491 | u32 *log = kmap_atomic(i915_gem_object_get_page(obj, pg)); | |
4c7e77fc AD |
2492 | |
2493 | for (i = 0; i < PAGE_SIZE / sizeof(u32); i += 4) | |
2494 | seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n", | |
2495 | *(log + i), *(log + i + 1), | |
2496 | *(log + i + 2), *(log + i + 3)); | |
2497 | ||
2498 | kunmap_atomic(log); | |
2499 | } | |
2500 | ||
2501 | seq_putc(m, '\n'); | |
2502 | ||
2503 | return 0; | |
2504 | } | |
2505 | ||
685534ef SAK |
2506 | static int i915_guc_log_control_get(void *data, u64 *val) |
2507 | { | |
2508 | struct drm_device *dev = data; | |
2509 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2510 | ||
2511 | if (!dev_priv->guc.log.vma) | |
2512 | return -EINVAL; | |
2513 | ||
2514 | *val = i915.guc_log_level; | |
2515 | ||
2516 | return 0; | |
2517 | } | |
2518 | ||
2519 | static int i915_guc_log_control_set(void *data, u64 val) | |
2520 | { | |
2521 | struct drm_device *dev = data; | |
2522 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2523 | int ret; | |
2524 | ||
2525 | if (!dev_priv->guc.log.vma) | |
2526 | return -EINVAL; | |
2527 | ||
2528 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2529 | if (ret) | |
2530 | return ret; | |
2531 | ||
2532 | intel_runtime_pm_get(dev_priv); | |
2533 | ret = i915_guc_log_control(dev_priv, val); | |
2534 | intel_runtime_pm_put(dev_priv); | |
2535 | ||
2536 | mutex_unlock(&dev->struct_mutex); | |
2537 | return ret; | |
2538 | } | |
2539 | ||
2540 | DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_control_fops, | |
2541 | i915_guc_log_control_get, i915_guc_log_control_set, | |
2542 | "%lld\n"); | |
2543 | ||
e91fd8c6 RV |
2544 | static int i915_edp_psr_status(struct seq_file *m, void *data) |
2545 | { | |
36cdd013 | 2546 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
a031d709 | 2547 | u32 psrperf = 0; |
a6cbdb8e RV |
2548 | u32 stat[3]; |
2549 | enum pipe pipe; | |
a031d709 | 2550 | bool enabled = false; |
e91fd8c6 | 2551 | |
36cdd013 | 2552 | if (!HAS_PSR(dev_priv)) { |
3553a8ea DL |
2553 | seq_puts(m, "PSR not supported\n"); |
2554 | return 0; | |
2555 | } | |
2556 | ||
c8c8fb33 PZ |
2557 | intel_runtime_pm_get(dev_priv); |
2558 | ||
fa128fa6 | 2559 | mutex_lock(&dev_priv->psr.lock); |
a031d709 RV |
2560 | seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); |
2561 | seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); | |
2807cf69 | 2562 | seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); |
5755c78f | 2563 | seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); |
fa128fa6 DV |
2564 | seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", |
2565 | dev_priv->psr.busy_frontbuffer_bits); | |
2566 | seq_printf(m, "Re-enable work scheduled: %s\n", | |
2567 | yesno(work_busy(&dev_priv->psr.work.work))); | |
e91fd8c6 | 2568 | |
36cdd013 | 2569 | if (HAS_DDI(dev_priv)) |
443a389f | 2570 | enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; |
3553a8ea DL |
2571 | else { |
2572 | for_each_pipe(dev_priv, pipe) { | |
9c870d03 CW |
2573 | enum transcoder cpu_transcoder = |
2574 | intel_pipe_to_cpu_transcoder(dev_priv, pipe); | |
2575 | enum intel_display_power_domain power_domain; | |
2576 | ||
2577 | power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); | |
2578 | if (!intel_display_power_get_if_enabled(dev_priv, | |
2579 | power_domain)) | |
2580 | continue; | |
2581 | ||
3553a8ea DL |
2582 | stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) & |
2583 | VLV_EDP_PSR_CURR_STATE_MASK; | |
2584 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2585 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2586 | enabled = true; | |
9c870d03 CW |
2587 | |
2588 | intel_display_power_put(dev_priv, power_domain); | |
a6cbdb8e RV |
2589 | } |
2590 | } | |
60e5ffe3 RV |
2591 | |
2592 | seq_printf(m, "Main link in standby mode: %s\n", | |
2593 | yesno(dev_priv->psr.link_standby)); | |
2594 | ||
a6cbdb8e RV |
2595 | seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled)); |
2596 | ||
36cdd013 | 2597 | if (!HAS_DDI(dev_priv)) |
a6cbdb8e RV |
2598 | for_each_pipe(dev_priv, pipe) { |
2599 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2600 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2601 | seq_printf(m, " pipe %c", pipe_name(pipe)); | |
2602 | } | |
2603 | seq_puts(m, "\n"); | |
e91fd8c6 | 2604 | |
05eec3c2 RV |
2605 | /* |
2606 | * VLV/CHV PSR has no kind of performance counter | |
2607 | * SKL+ Perf counter is reset to 0 everytime DC state is entered | |
2608 | */ | |
36cdd013 | 2609 | if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { |
443a389f | 2610 | psrperf = I915_READ(EDP_PSR_PERF_CNT) & |
a031d709 | 2611 | EDP_PSR_PERF_CNT_MASK; |
a6cbdb8e RV |
2612 | |
2613 | seq_printf(m, "Performance_Counter: %u\n", psrperf); | |
2614 | } | |
fa128fa6 | 2615 | mutex_unlock(&dev_priv->psr.lock); |
e91fd8c6 | 2616 | |
c8c8fb33 | 2617 | intel_runtime_pm_put(dev_priv); |
e91fd8c6 RV |
2618 | return 0; |
2619 | } | |
2620 | ||
d2e216d0 RV |
2621 | static int i915_sink_crc(struct seq_file *m, void *data) |
2622 | { | |
36cdd013 DW |
2623 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2624 | struct drm_device *dev = &dev_priv->drm; | |
d2e216d0 RV |
2625 | struct intel_connector *connector; |
2626 | struct intel_dp *intel_dp = NULL; | |
2627 | int ret; | |
2628 | u8 crc[6]; | |
2629 | ||
2630 | drm_modeset_lock_all(dev); | |
aca5e361 | 2631 | for_each_intel_connector(dev, connector) { |
26c17cf6 | 2632 | struct drm_crtc *crtc; |
d2e216d0 | 2633 | |
26c17cf6 | 2634 | if (!connector->base.state->best_encoder) |
d2e216d0 RV |
2635 | continue; |
2636 | ||
26c17cf6 ML |
2637 | crtc = connector->base.state->crtc; |
2638 | if (!crtc->state->active) | |
b6ae3c7c PZ |
2639 | continue; |
2640 | ||
26c17cf6 | 2641 | if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP) |
d2e216d0 RV |
2642 | continue; |
2643 | ||
26c17cf6 | 2644 | intel_dp = enc_to_intel_dp(connector->base.state->best_encoder); |
d2e216d0 RV |
2645 | |
2646 | ret = intel_dp_sink_crc(intel_dp, crc); | |
2647 | if (ret) | |
2648 | goto out; | |
2649 | ||
2650 | seq_printf(m, "%02x%02x%02x%02x%02x%02x\n", | |
2651 | crc[0], crc[1], crc[2], | |
2652 | crc[3], crc[4], crc[5]); | |
2653 | goto out; | |
2654 | } | |
2655 | ret = -ENODEV; | |
2656 | out: | |
2657 | drm_modeset_unlock_all(dev); | |
2658 | return ret; | |
2659 | } | |
2660 | ||
ec013e7f JB |
2661 | static int i915_energy_uJ(struct seq_file *m, void *data) |
2662 | { | |
36cdd013 | 2663 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
ec013e7f JB |
2664 | u64 power; |
2665 | u32 units; | |
2666 | ||
36cdd013 | 2667 | if (INTEL_GEN(dev_priv) < 6) |
ec013e7f JB |
2668 | return -ENODEV; |
2669 | ||
36623ef8 PZ |
2670 | intel_runtime_pm_get(dev_priv); |
2671 | ||
ec013e7f JB |
2672 | rdmsrl(MSR_RAPL_POWER_UNIT, power); |
2673 | power = (power & 0x1f00) >> 8; | |
2674 | units = 1000000 / (1 << power); /* convert to uJ */ | |
2675 | power = I915_READ(MCH_SECP_NRG_STTS); | |
2676 | power *= units; | |
2677 | ||
36623ef8 PZ |
2678 | intel_runtime_pm_put(dev_priv); |
2679 | ||
ec013e7f | 2680 | seq_printf(m, "%llu", (long long unsigned)power); |
371db66a PZ |
2681 | |
2682 | return 0; | |
2683 | } | |
2684 | ||
6455c870 | 2685 | static int i915_runtime_pm_status(struct seq_file *m, void *unused) |
371db66a | 2686 | { |
36cdd013 | 2687 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
52a05c30 | 2688 | struct pci_dev *pdev = dev_priv->drm.pdev; |
371db66a | 2689 | |
a156e64d CW |
2690 | if (!HAS_RUNTIME_PM(dev_priv)) |
2691 | seq_puts(m, "Runtime power management not supported\n"); | |
371db66a | 2692 | |
67d97da3 | 2693 | seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->gt.awake)); |
371db66a | 2694 | seq_printf(m, "IRQs disabled: %s\n", |
9df7575f | 2695 | yesno(!intel_irqs_enabled(dev_priv))); |
0d804184 | 2696 | #ifdef CONFIG_PM |
a6aaec8b | 2697 | seq_printf(m, "Usage count: %d\n", |
36cdd013 | 2698 | atomic_read(&dev_priv->drm.dev->power.usage_count)); |
0d804184 CW |
2699 | #else |
2700 | seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n"); | |
2701 | #endif | |
a156e64d | 2702 | seq_printf(m, "PCI device power state: %s [%d]\n", |
52a05c30 DW |
2703 | pci_power_name(pdev->current_state), |
2704 | pdev->current_state); | |
371db66a | 2705 | |
ec013e7f JB |
2706 | return 0; |
2707 | } | |
2708 | ||
1da51581 ID |
2709 | static int i915_power_domain_info(struct seq_file *m, void *unused) |
2710 | { | |
36cdd013 | 2711 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
1da51581 ID |
2712 | struct i915_power_domains *power_domains = &dev_priv->power_domains; |
2713 | int i; | |
2714 | ||
2715 | mutex_lock(&power_domains->lock); | |
2716 | ||
2717 | seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count"); | |
2718 | for (i = 0; i < power_domains->power_well_count; i++) { | |
2719 | struct i915_power_well *power_well; | |
2720 | enum intel_display_power_domain power_domain; | |
2721 | ||
2722 | power_well = &power_domains->power_wells[i]; | |
2723 | seq_printf(m, "%-25s %d\n", power_well->name, | |
2724 | power_well->count); | |
2725 | ||
2726 | for (power_domain = 0; power_domain < POWER_DOMAIN_NUM; | |
2727 | power_domain++) { | |
2728 | if (!(BIT(power_domain) & power_well->domains)) | |
2729 | continue; | |
2730 | ||
2731 | seq_printf(m, " %-23s %d\n", | |
9895ad03 | 2732 | intel_display_power_domain_str(power_domain), |
1da51581 ID |
2733 | power_domains->domain_use_count[power_domain]); |
2734 | } | |
2735 | } | |
2736 | ||
2737 | mutex_unlock(&power_domains->lock); | |
2738 | ||
2739 | return 0; | |
2740 | } | |
2741 | ||
b7cec66d DL |
2742 | static int i915_dmc_info(struct seq_file *m, void *unused) |
2743 | { | |
36cdd013 | 2744 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
b7cec66d DL |
2745 | struct intel_csr *csr; |
2746 | ||
36cdd013 | 2747 | if (!HAS_CSR(dev_priv)) { |
b7cec66d DL |
2748 | seq_puts(m, "not supported\n"); |
2749 | return 0; | |
2750 | } | |
2751 | ||
2752 | csr = &dev_priv->csr; | |
2753 | ||
6fb403de MK |
2754 | intel_runtime_pm_get(dev_priv); |
2755 | ||
b7cec66d DL |
2756 | seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL)); |
2757 | seq_printf(m, "path: %s\n", csr->fw_path); | |
2758 | ||
2759 | if (!csr->dmc_payload) | |
6fb403de | 2760 | goto out; |
b7cec66d DL |
2761 | |
2762 | seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version), | |
2763 | CSR_VERSION_MINOR(csr->version)); | |
2764 | ||
36cdd013 | 2765 | if (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6)) { |
8337206d DL |
2766 | seq_printf(m, "DC3 -> DC5 count: %d\n", |
2767 | I915_READ(SKL_CSR_DC3_DC5_COUNT)); | |
2768 | seq_printf(m, "DC5 -> DC6 count: %d\n", | |
2769 | I915_READ(SKL_CSR_DC5_DC6_COUNT)); | |
36cdd013 | 2770 | } else if (IS_BROXTON(dev_priv) && csr->version >= CSR_VERSION(1, 4)) { |
16e11b99 MK |
2771 | seq_printf(m, "DC3 -> DC5 count: %d\n", |
2772 | I915_READ(BXT_CSR_DC3_DC5_COUNT)); | |
8337206d DL |
2773 | } |
2774 | ||
6fb403de MK |
2775 | out: |
2776 | seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0))); | |
2777 | seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE)); | |
2778 | seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL)); | |
2779 | ||
8337206d DL |
2780 | intel_runtime_pm_put(dev_priv); |
2781 | ||
b7cec66d DL |
2782 | return 0; |
2783 | } | |
2784 | ||
53f5e3ca JB |
2785 | static void intel_seq_print_mode(struct seq_file *m, int tabs, |
2786 | struct drm_display_mode *mode) | |
2787 | { | |
2788 | int i; | |
2789 | ||
2790 | for (i = 0; i < tabs; i++) | |
2791 | seq_putc(m, '\t'); | |
2792 | ||
2793 | 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", | |
2794 | mode->base.id, mode->name, | |
2795 | mode->vrefresh, mode->clock, | |
2796 | mode->hdisplay, mode->hsync_start, | |
2797 | mode->hsync_end, mode->htotal, | |
2798 | mode->vdisplay, mode->vsync_start, | |
2799 | mode->vsync_end, mode->vtotal, | |
2800 | mode->type, mode->flags); | |
2801 | } | |
2802 | ||
2803 | static void intel_encoder_info(struct seq_file *m, | |
2804 | struct intel_crtc *intel_crtc, | |
2805 | struct intel_encoder *intel_encoder) | |
2806 | { | |
36cdd013 DW |
2807 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2808 | struct drm_device *dev = &dev_priv->drm; | |
53f5e3ca JB |
2809 | struct drm_crtc *crtc = &intel_crtc->base; |
2810 | struct intel_connector *intel_connector; | |
2811 | struct drm_encoder *encoder; | |
2812 | ||
2813 | encoder = &intel_encoder->base; | |
2814 | seq_printf(m, "\tencoder %d: type: %s, connectors:\n", | |
8e329a03 | 2815 | encoder->base.id, encoder->name); |
53f5e3ca JB |
2816 | for_each_connector_on_encoder(dev, encoder, intel_connector) { |
2817 | struct drm_connector *connector = &intel_connector->base; | |
2818 | seq_printf(m, "\t\tconnector %d: type: %s, status: %s", | |
2819 | connector->base.id, | |
c23cc417 | 2820 | connector->name, |
53f5e3ca JB |
2821 | drm_get_connector_status_name(connector->status)); |
2822 | if (connector->status == connector_status_connected) { | |
2823 | struct drm_display_mode *mode = &crtc->mode; | |
2824 | seq_printf(m, ", mode:\n"); | |
2825 | intel_seq_print_mode(m, 2, mode); | |
2826 | } else { | |
2827 | seq_putc(m, '\n'); | |
2828 | } | |
2829 | } | |
2830 | } | |
2831 | ||
2832 | static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
2833 | { | |
36cdd013 DW |
2834 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
2835 | struct drm_device *dev = &dev_priv->drm; | |
53f5e3ca JB |
2836 | struct drm_crtc *crtc = &intel_crtc->base; |
2837 | struct intel_encoder *intel_encoder; | |
23a48d53 ML |
2838 | struct drm_plane_state *plane_state = crtc->primary->state; |
2839 | struct drm_framebuffer *fb = plane_state->fb; | |
53f5e3ca | 2840 | |
23a48d53 | 2841 | if (fb) |
5aa8a937 | 2842 | seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n", |
23a48d53 ML |
2843 | fb->base.id, plane_state->src_x >> 16, |
2844 | plane_state->src_y >> 16, fb->width, fb->height); | |
5aa8a937 MR |
2845 | else |
2846 | seq_puts(m, "\tprimary plane disabled\n"); | |
53f5e3ca JB |
2847 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
2848 | intel_encoder_info(m, intel_crtc, intel_encoder); | |
2849 | } | |
2850 | ||
2851 | static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) | |
2852 | { | |
2853 | struct drm_display_mode *mode = panel->fixed_mode; | |
2854 | ||
2855 | seq_printf(m, "\tfixed mode:\n"); | |
2856 | intel_seq_print_mode(m, 2, mode); | |
2857 | } | |
2858 | ||
2859 | static void intel_dp_info(struct seq_file *m, | |
2860 | struct intel_connector *intel_connector) | |
2861 | { | |
2862 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2863 | struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); | |
2864 | ||
2865 | seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]); | |
742f491d | 2866 | seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio)); |
b6dabe3b | 2867 | if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) |
53f5e3ca | 2868 | intel_panel_info(m, &intel_connector->panel); |
80209e5f MK |
2869 | |
2870 | drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports, | |
2871 | &intel_dp->aux); | |
53f5e3ca JB |
2872 | } |
2873 | ||
9a148a96 LY |
2874 | static void intel_dp_mst_info(struct seq_file *m, |
2875 | struct intel_connector *intel_connector) | |
2876 | { | |
2877 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2878 | struct intel_dp_mst_encoder *intel_mst = | |
2879 | enc_to_mst(&intel_encoder->base); | |
2880 | struct intel_digital_port *intel_dig_port = intel_mst->primary; | |
2881 | struct intel_dp *intel_dp = &intel_dig_port->dp; | |
2882 | bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, | |
2883 | intel_connector->port); | |
2884 | ||
2885 | seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); | |
2886 | } | |
2887 | ||
53f5e3ca JB |
2888 | static void intel_hdmi_info(struct seq_file *m, |
2889 | struct intel_connector *intel_connector) | |
2890 | { | |
2891 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2892 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); | |
2893 | ||
742f491d | 2894 | seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio)); |
53f5e3ca JB |
2895 | } |
2896 | ||
2897 | static void intel_lvds_info(struct seq_file *m, | |
2898 | struct intel_connector *intel_connector) | |
2899 | { | |
2900 | intel_panel_info(m, &intel_connector->panel); | |
2901 | } | |
2902 | ||
2903 | static void intel_connector_info(struct seq_file *m, | |
2904 | struct drm_connector *connector) | |
2905 | { | |
2906 | struct intel_connector *intel_connector = to_intel_connector(connector); | |
2907 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
f103fc7d | 2908 | struct drm_display_mode *mode; |
53f5e3ca JB |
2909 | |
2910 | seq_printf(m, "connector %d: type %s, status: %s\n", | |
c23cc417 | 2911 | connector->base.id, connector->name, |
53f5e3ca JB |
2912 | drm_get_connector_status_name(connector->status)); |
2913 | if (connector->status == connector_status_connected) { | |
2914 | seq_printf(m, "\tname: %s\n", connector->display_info.name); | |
2915 | seq_printf(m, "\tphysical dimensions: %dx%dmm\n", | |
2916 | connector->display_info.width_mm, | |
2917 | connector->display_info.height_mm); | |
2918 | seq_printf(m, "\tsubpixel order: %s\n", | |
2919 | drm_get_subpixel_order_name(connector->display_info.subpixel_order)); | |
2920 | seq_printf(m, "\tCEA rev: %d\n", | |
2921 | connector->display_info.cea_rev); | |
2922 | } | |
ee648a74 ML |
2923 | |
2924 | if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST) | |
2925 | return; | |
2926 | ||
2927 | switch (connector->connector_type) { | |
2928 | case DRM_MODE_CONNECTOR_DisplayPort: | |
2929 | case DRM_MODE_CONNECTOR_eDP: | |
9a148a96 LY |
2930 | if (intel_encoder->type == INTEL_OUTPUT_DP_MST) |
2931 | intel_dp_mst_info(m, intel_connector); | |
2932 | else | |
2933 | intel_dp_info(m, intel_connector); | |
ee648a74 ML |
2934 | break; |
2935 | case DRM_MODE_CONNECTOR_LVDS: | |
2936 | if (intel_encoder->type == INTEL_OUTPUT_LVDS) | |
36cd7444 | 2937 | intel_lvds_info(m, intel_connector); |
ee648a74 ML |
2938 | break; |
2939 | case DRM_MODE_CONNECTOR_HDMIA: | |
2940 | if (intel_encoder->type == INTEL_OUTPUT_HDMI || | |
2941 | intel_encoder->type == INTEL_OUTPUT_UNKNOWN) | |
2942 | intel_hdmi_info(m, intel_connector); | |
2943 | break; | |
2944 | default: | |
2945 | break; | |
36cd7444 | 2946 | } |
53f5e3ca | 2947 | |
f103fc7d JB |
2948 | seq_printf(m, "\tmodes:\n"); |
2949 | list_for_each_entry(mode, &connector->modes, head) | |
2950 | intel_seq_print_mode(m, 2, mode); | |
53f5e3ca JB |
2951 | } |
2952 | ||
36cdd013 | 2953 | static bool cursor_active(struct drm_i915_private *dev_priv, int pipe) |
065f2ec2 | 2954 | { |
065f2ec2 CW |
2955 | u32 state; |
2956 | ||
36cdd013 | 2957 | if (IS_845G(dev_priv) || IS_I865G(dev_priv)) |
0b87c24e | 2958 | state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE; |
065f2ec2 | 2959 | else |
5efb3e28 | 2960 | state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
065f2ec2 CW |
2961 | |
2962 | return state; | |
2963 | } | |
2964 | ||
36cdd013 DW |
2965 | static bool cursor_position(struct drm_i915_private *dev_priv, |
2966 | int pipe, int *x, int *y) | |
065f2ec2 | 2967 | { |
065f2ec2 CW |
2968 | u32 pos; |
2969 | ||
5efb3e28 | 2970 | pos = I915_READ(CURPOS(pipe)); |
065f2ec2 CW |
2971 | |
2972 | *x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK; | |
2973 | if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT)) | |
2974 | *x = -*x; | |
2975 | ||
2976 | *y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK; | |
2977 | if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT)) | |
2978 | *y = -*y; | |
2979 | ||
36cdd013 | 2980 | return cursor_active(dev_priv, pipe); |
065f2ec2 CW |
2981 | } |
2982 | ||
3abc4e09 RF |
2983 | static const char *plane_type(enum drm_plane_type type) |
2984 | { | |
2985 | switch (type) { | |
2986 | case DRM_PLANE_TYPE_OVERLAY: | |
2987 | return "OVL"; | |
2988 | case DRM_PLANE_TYPE_PRIMARY: | |
2989 | return "PRI"; | |
2990 | case DRM_PLANE_TYPE_CURSOR: | |
2991 | return "CUR"; | |
2992 | /* | |
2993 | * Deliberately omitting default: to generate compiler warnings | |
2994 | * when a new drm_plane_type gets added. | |
2995 | */ | |
2996 | } | |
2997 | ||
2998 | return "unknown"; | |
2999 | } | |
3000 | ||
3001 | static const char *plane_rotation(unsigned int rotation) | |
3002 | { | |
3003 | static char buf[48]; | |
3004 | /* | |
3005 | * According to doc only one DRM_ROTATE_ is allowed but this | |
3006 | * will print them all to visualize if the values are misused | |
3007 | */ | |
3008 | snprintf(buf, sizeof(buf), | |
3009 | "%s%s%s%s%s%s(0x%08x)", | |
31ad61e4 JL |
3010 | (rotation & DRM_ROTATE_0) ? "0 " : "", |
3011 | (rotation & DRM_ROTATE_90) ? "90 " : "", | |
3012 | (rotation & DRM_ROTATE_180) ? "180 " : "", | |
3013 | (rotation & DRM_ROTATE_270) ? "270 " : "", | |
3014 | (rotation & DRM_REFLECT_X) ? "FLIPX " : "", | |
3015 | (rotation & DRM_REFLECT_Y) ? "FLIPY " : "", | |
3abc4e09 RF |
3016 | rotation); |
3017 | ||
3018 | return buf; | |
3019 | } | |
3020 | ||
3021 | static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
3022 | { | |
36cdd013 DW |
3023 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3024 | struct drm_device *dev = &dev_priv->drm; | |
3abc4e09 RF |
3025 | struct intel_plane *intel_plane; |
3026 | ||
3027 | for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { | |
3028 | struct drm_plane_state *state; | |
3029 | struct drm_plane *plane = &intel_plane->base; | |
b3c11ac2 | 3030 | struct drm_format_name_buf format_name; |
3abc4e09 RF |
3031 | |
3032 | if (!plane->state) { | |
3033 | seq_puts(m, "plane->state is NULL!\n"); | |
3034 | continue; | |
3035 | } | |
3036 | ||
3037 | state = plane->state; | |
3038 | ||
90844f00 | 3039 | if (state->fb) { |
b3c11ac2 | 3040 | drm_get_format_name(state->fb->pixel_format, &format_name); |
90844f00 | 3041 | } else { |
b3c11ac2 | 3042 | sprintf(format_name.str, "N/A"); |
90844f00 EE |
3043 | } |
3044 | ||
3abc4e09 RF |
3045 | 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", |
3046 | plane->base.id, | |
3047 | plane_type(intel_plane->base.type), | |
3048 | state->crtc_x, state->crtc_y, | |
3049 | state->crtc_w, state->crtc_h, | |
3050 | (state->src_x >> 16), | |
3051 | ((state->src_x & 0xffff) * 15625) >> 10, | |
3052 | (state->src_y >> 16), | |
3053 | ((state->src_y & 0xffff) * 15625) >> 10, | |
3054 | (state->src_w >> 16), | |
3055 | ((state->src_w & 0xffff) * 15625) >> 10, | |
3056 | (state->src_h >> 16), | |
3057 | ((state->src_h & 0xffff) * 15625) >> 10, | |
b3c11ac2 | 3058 | format_name.str, |
3abc4e09 RF |
3059 | plane_rotation(state->rotation)); |
3060 | } | |
3061 | } | |
3062 | ||
3063 | static void intel_scaler_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
3064 | { | |
3065 | struct intel_crtc_state *pipe_config; | |
3066 | int num_scalers = intel_crtc->num_scalers; | |
3067 | int i; | |
3068 | ||
3069 | pipe_config = to_intel_crtc_state(intel_crtc->base.state); | |
3070 | ||
3071 | /* Not all platformas have a scaler */ | |
3072 | if (num_scalers) { | |
3073 | seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d", | |
3074 | num_scalers, | |
3075 | pipe_config->scaler_state.scaler_users, | |
3076 | pipe_config->scaler_state.scaler_id); | |
3077 | ||
58415918 | 3078 | for (i = 0; i < num_scalers; i++) { |
3abc4e09 RF |
3079 | struct intel_scaler *sc = |
3080 | &pipe_config->scaler_state.scalers[i]; | |
3081 | ||
3082 | seq_printf(m, ", scalers[%d]: use=%s, mode=%x", | |
3083 | i, yesno(sc->in_use), sc->mode); | |
3084 | } | |
3085 | seq_puts(m, "\n"); | |
3086 | } else { | |
3087 | seq_puts(m, "\tNo scalers available on this platform\n"); | |
3088 | } | |
3089 | } | |
3090 | ||
53f5e3ca JB |
3091 | static int i915_display_info(struct seq_file *m, void *unused) |
3092 | { | |
36cdd013 DW |
3093 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
3094 | struct drm_device *dev = &dev_priv->drm; | |
065f2ec2 | 3095 | struct intel_crtc *crtc; |
53f5e3ca JB |
3096 | struct drm_connector *connector; |
3097 | ||
b0e5ddf3 | 3098 | intel_runtime_pm_get(dev_priv); |
53f5e3ca JB |
3099 | drm_modeset_lock_all(dev); |
3100 | seq_printf(m, "CRTC info\n"); | |
3101 | seq_printf(m, "---------\n"); | |
d3fcc808 | 3102 | for_each_intel_crtc(dev, crtc) { |
065f2ec2 | 3103 | bool active; |
f77076c9 | 3104 | struct intel_crtc_state *pipe_config; |
065f2ec2 | 3105 | int x, y; |
53f5e3ca | 3106 | |
f77076c9 ML |
3107 | pipe_config = to_intel_crtc_state(crtc->base.state); |
3108 | ||
3abc4e09 | 3109 | seq_printf(m, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n", |
065f2ec2 | 3110 | crtc->base.base.id, pipe_name(crtc->pipe), |
f77076c9 | 3111 | yesno(pipe_config->base.active), |
3abc4e09 RF |
3112 | pipe_config->pipe_src_w, pipe_config->pipe_src_h, |
3113 | yesno(pipe_config->dither), pipe_config->pipe_bpp); | |
3114 | ||
f77076c9 | 3115 | if (pipe_config->base.active) { |
065f2ec2 CW |
3116 | intel_crtc_info(m, crtc); |
3117 | ||
36cdd013 | 3118 | active = cursor_position(dev_priv, crtc->pipe, &x, &y); |
57127efa | 3119 | seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n", |
4b0e333e | 3120 | yesno(crtc->cursor_base), |
3dd512fb MR |
3121 | x, y, crtc->base.cursor->state->crtc_w, |
3122 | crtc->base.cursor->state->crtc_h, | |
57127efa | 3123 | crtc->cursor_addr, yesno(active)); |
3abc4e09 RF |
3124 | intel_scaler_info(m, crtc); |
3125 | intel_plane_info(m, crtc); | |
a23dc658 | 3126 | } |
cace841c DV |
3127 | |
3128 | seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n", | |
3129 | yesno(!crtc->cpu_fifo_underrun_disabled), | |
3130 | yesno(!crtc->pch_fifo_underrun_disabled)); | |
53f5e3ca JB |
3131 | } |
3132 | ||
3133 | seq_printf(m, "\n"); | |
3134 | seq_printf(m, "Connector info\n"); | |
3135 | seq_printf(m, "--------------\n"); | |
3136 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
3137 | intel_connector_info(m, connector); | |
3138 | } | |
3139 | drm_modeset_unlock_all(dev); | |
b0e5ddf3 | 3140 | intel_runtime_pm_put(dev_priv); |
53f5e3ca JB |
3141 | |
3142 | return 0; | |
3143 | } | |
3144 | ||
1b36595f CW |
3145 | static int i915_engine_info(struct seq_file *m, void *unused) |
3146 | { | |
3147 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
3148 | struct intel_engine_cs *engine; | |
3b3f1650 | 3149 | enum intel_engine_id id; |
1b36595f | 3150 | |
9c870d03 CW |
3151 | intel_runtime_pm_get(dev_priv); |
3152 | ||
3b3f1650 | 3153 | for_each_engine(engine, dev_priv, id) { |
1b36595f CW |
3154 | struct intel_breadcrumbs *b = &engine->breadcrumbs; |
3155 | struct drm_i915_gem_request *rq; | |
3156 | struct rb_node *rb; | |
3157 | u64 addr; | |
3158 | ||
3159 | seq_printf(m, "%s\n", engine->name); | |
3fe3b030 | 3160 | seq_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [%d ms]\n", |
1b36595f | 3161 | intel_engine_get_seqno(engine), |
cb399eab | 3162 | intel_engine_last_submit(engine), |
1b36595f | 3163 | engine->hangcheck.seqno, |
3fe3b030 | 3164 | jiffies_to_msecs(jiffies - engine->hangcheck.action_timestamp)); |
1b36595f CW |
3165 | |
3166 | rcu_read_lock(); | |
3167 | ||
3168 | seq_printf(m, "\tRequests:\n"); | |
3169 | ||
73cb9701 CW |
3170 | rq = list_first_entry(&engine->timeline->requests, |
3171 | struct drm_i915_gem_request, link); | |
3172 | if (&rq->link != &engine->timeline->requests) | |
1b36595f CW |
3173 | print_request(m, rq, "\t\tfirst "); |
3174 | ||
73cb9701 CW |
3175 | rq = list_last_entry(&engine->timeline->requests, |
3176 | struct drm_i915_gem_request, link); | |
3177 | if (&rq->link != &engine->timeline->requests) | |
1b36595f CW |
3178 | print_request(m, rq, "\t\tlast "); |
3179 | ||
3180 | rq = i915_gem_find_active_request(engine); | |
3181 | if (rq) { | |
3182 | print_request(m, rq, "\t\tactive "); | |
3183 | seq_printf(m, | |
3184 | "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n", | |
3185 | rq->head, rq->postfix, rq->tail, | |
3186 | rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u, | |
3187 | rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u); | |
3188 | } | |
3189 | ||
3190 | seq_printf(m, "\tRING_START: 0x%08x [0x%08x]\n", | |
3191 | I915_READ(RING_START(engine->mmio_base)), | |
3192 | rq ? i915_ggtt_offset(rq->ring->vma) : 0); | |
3193 | seq_printf(m, "\tRING_HEAD: 0x%08x [0x%08x]\n", | |
3194 | I915_READ(RING_HEAD(engine->mmio_base)) & HEAD_ADDR, | |
3195 | rq ? rq->ring->head : 0); | |
3196 | seq_printf(m, "\tRING_TAIL: 0x%08x [0x%08x]\n", | |
3197 | I915_READ(RING_TAIL(engine->mmio_base)) & TAIL_ADDR, | |
3198 | rq ? rq->ring->tail : 0); | |
3199 | seq_printf(m, "\tRING_CTL: 0x%08x [%s]\n", | |
3200 | I915_READ(RING_CTL(engine->mmio_base)), | |
3201 | I915_READ(RING_CTL(engine->mmio_base)) & (RING_WAIT | RING_WAIT_SEMAPHORE) ? "waiting" : ""); | |
3202 | ||
3203 | rcu_read_unlock(); | |
3204 | ||
3205 | addr = intel_engine_get_active_head(engine); | |
3206 | seq_printf(m, "\tACTHD: 0x%08x_%08x\n", | |
3207 | upper_32_bits(addr), lower_32_bits(addr)); | |
3208 | addr = intel_engine_get_last_batch_head(engine); | |
3209 | seq_printf(m, "\tBBADDR: 0x%08x_%08x\n", | |
3210 | upper_32_bits(addr), lower_32_bits(addr)); | |
3211 | ||
3212 | if (i915.enable_execlists) { | |
3213 | u32 ptr, read, write; | |
20311bd3 | 3214 | struct rb_node *rb; |
1b36595f CW |
3215 | |
3216 | seq_printf(m, "\tExeclist status: 0x%08x %08x\n", | |
3217 | I915_READ(RING_EXECLIST_STATUS_LO(engine)), | |
3218 | I915_READ(RING_EXECLIST_STATUS_HI(engine))); | |
3219 | ||
3220 | ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine)); | |
3221 | read = GEN8_CSB_READ_PTR(ptr); | |
3222 | write = GEN8_CSB_WRITE_PTR(ptr); | |
3223 | seq_printf(m, "\tExeclist CSB read %d, write %d\n", | |
3224 | read, write); | |
3225 | if (read >= GEN8_CSB_ENTRIES) | |
3226 | read = 0; | |
3227 | if (write >= GEN8_CSB_ENTRIES) | |
3228 | write = 0; | |
3229 | if (read > write) | |
3230 | write += GEN8_CSB_ENTRIES; | |
3231 | while (read < write) { | |
3232 | unsigned int idx = ++read % GEN8_CSB_ENTRIES; | |
3233 | ||
3234 | seq_printf(m, "\tExeclist CSB[%d]: 0x%08x, context: %d\n", | |
3235 | idx, | |
3236 | I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, idx)), | |
3237 | I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, idx))); | |
3238 | } | |
3239 | ||
3240 | rcu_read_lock(); | |
3241 | rq = READ_ONCE(engine->execlist_port[0].request); | |
3242 | if (rq) | |
3243 | print_request(m, rq, "\t\tELSP[0] "); | |
3244 | else | |
3245 | seq_printf(m, "\t\tELSP[0] idle\n"); | |
3246 | rq = READ_ONCE(engine->execlist_port[1].request); | |
3247 | if (rq) | |
3248 | print_request(m, rq, "\t\tELSP[1] "); | |
3249 | else | |
3250 | seq_printf(m, "\t\tELSP[1] idle\n"); | |
3251 | rcu_read_unlock(); | |
c8247c06 | 3252 | |
663f71e7 | 3253 | spin_lock_irq(&engine->timeline->lock); |
20311bd3 CW |
3254 | for (rb = engine->execlist_first; rb; rb = rb_next(rb)) { |
3255 | rq = rb_entry(rb, typeof(*rq), priotree.node); | |
c8247c06 CW |
3256 | print_request(m, rq, "\t\tQ "); |
3257 | } | |
663f71e7 | 3258 | spin_unlock_irq(&engine->timeline->lock); |
1b36595f CW |
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; |
98187836 | 4069 | struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A); |
f77076c9 | 4070 | struct intel_crtc_state *pipe_config; |
c4e2d043 ML |
4071 | struct drm_atomic_state *state; |
4072 | int ret = 0; | |
fabf6e51 DV |
4073 | |
4074 | drm_modeset_lock_all(dev); | |
c4e2d043 ML |
4075 | state = drm_atomic_state_alloc(dev); |
4076 | if (!state) { | |
4077 | ret = -ENOMEM; | |
4078 | goto out; | |
fabf6e51 | 4079 | } |
fabf6e51 | 4080 | |
c4e2d043 ML |
4081 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(&crtc->base); |
4082 | pipe_config = intel_atomic_get_crtc_state(state, crtc); | |
4083 | if (IS_ERR(pipe_config)) { | |
4084 | ret = PTR_ERR(pipe_config); | |
4085 | goto out; | |
4086 | } | |
fabf6e51 | 4087 | |
c4e2d043 ML |
4088 | pipe_config->pch_pfit.force_thru = enable; |
4089 | if (pipe_config->cpu_transcoder == TRANSCODER_EDP && | |
4090 | pipe_config->pch_pfit.enabled != enable) | |
4091 | pipe_config->base.connectors_changed = true; | |
1b509259 | 4092 | |
c4e2d043 ML |
4093 | ret = drm_atomic_commit(state); |
4094 | out: | |
c4e2d043 | 4095 | WARN(ret, "Toggling workaround to %i returns %i\n", enable, ret); |
0853695c CW |
4096 | drm_modeset_unlock_all(dev); |
4097 | drm_atomic_state_put(state); | |
fabf6e51 DV |
4098 | } |
4099 | ||
36cdd013 | 4100 | static int ivb_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv, |
fabf6e51 DV |
4101 | enum pipe pipe, |
4102 | enum intel_pipe_crc_source *source, | |
5b3a856b DV |
4103 | uint32_t *val) |
4104 | { | |
46a19188 DV |
4105 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
4106 | *source = INTEL_PIPE_CRC_SOURCE_PF; | |
4107 | ||
4108 | switch (*source) { | |
5b3a856b DV |
4109 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
4110 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB; | |
4111 | break; | |
4112 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
4113 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB; | |
4114 | break; | |
4115 | case INTEL_PIPE_CRC_SOURCE_PF: | |
36cdd013 DW |
4116 | if (IS_HASWELL(dev_priv) && pipe == PIPE_A) |
4117 | hsw_trans_edp_pipe_A_crc_wa(dev_priv, true); | |
fabf6e51 | 4118 | |
5b3a856b DV |
4119 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; |
4120 | break; | |
3d099a05 | 4121 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
4122 | *val = 0; |
4123 | break; | |
3d099a05 DV |
4124 | default: |
4125 | return -EINVAL; | |
5b3a856b DV |
4126 | } |
4127 | ||
4128 | return 0; | |
4129 | } | |
4130 | ||
36cdd013 DW |
4131 | static int pipe_crc_set_source(struct drm_i915_private *dev_priv, |
4132 | enum pipe pipe, | |
926321d5 DV |
4133 | enum intel_pipe_crc_source source) |
4134 | { | |
cc3da175 | 4135 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
b91eb5cc | 4136 | struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe); |
e129649b | 4137 | enum intel_display_power_domain power_domain; |
432f3342 | 4138 | u32 val = 0; /* shut up gcc */ |
5b3a856b | 4139 | int ret; |
926321d5 | 4140 | |
cc3da175 DL |
4141 | if (pipe_crc->source == source) |
4142 | return 0; | |
4143 | ||
ae676fcd DL |
4144 | /* forbid changing the source without going back to 'none' */ |
4145 | if (pipe_crc->source && source) | |
4146 | return -EINVAL; | |
4147 | ||
e129649b ID |
4148 | power_domain = POWER_DOMAIN_PIPE(pipe); |
4149 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) { | |
9d8b0588 DV |
4150 | DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n"); |
4151 | return -EIO; | |
4152 | } | |
4153 | ||
36cdd013 | 4154 | if (IS_GEN2(dev_priv)) |
46a19188 | 4155 | ret = i8xx_pipe_crc_ctl_reg(&source, &val); |
36cdd013 DW |
4156 | else if (INTEL_GEN(dev_priv) < 5) |
4157 | ret = i9xx_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); | |
4158 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
4159 | ret = vlv_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); | |
4160 | else if (IS_GEN5(dev_priv) || IS_GEN6(dev_priv)) | |
46a19188 | 4161 | ret = ilk_pipe_crc_ctl_reg(&source, &val); |
5b3a856b | 4162 | else |
36cdd013 | 4163 | ret = ivb_pipe_crc_ctl_reg(dev_priv, pipe, &source, &val); |
5b3a856b DV |
4164 | |
4165 | if (ret != 0) | |
e129649b | 4166 | goto out; |
5b3a856b | 4167 | |
4b584369 DL |
4168 | /* none -> real source transition */ |
4169 | if (source) { | |
4252fbc3 VS |
4170 | struct intel_pipe_crc_entry *entries; |
4171 | ||
7cd6ccff DL |
4172 | DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n", |
4173 | pipe_name(pipe), pipe_crc_source_name(source)); | |
4174 | ||
3cf54b34 VS |
4175 | entries = kcalloc(INTEL_PIPE_CRC_ENTRIES_NR, |
4176 | sizeof(pipe_crc->entries[0]), | |
4252fbc3 | 4177 | GFP_KERNEL); |
e129649b ID |
4178 | if (!entries) { |
4179 | ret = -ENOMEM; | |
4180 | goto out; | |
4181 | } | |
e5f75aca | 4182 | |
8c740dce PZ |
4183 | /* |
4184 | * When IPS gets enabled, the pipe CRC changes. Since IPS gets | |
4185 | * enabled and disabled dynamically based on package C states, | |
4186 | * user space can't make reliable use of the CRCs, so let's just | |
4187 | * completely disable it. | |
4188 | */ | |
4189 | hsw_disable_ips(crtc); | |
4190 | ||
d538bbdf | 4191 | spin_lock_irq(&pipe_crc->lock); |
64387b61 | 4192 | kfree(pipe_crc->entries); |
4252fbc3 | 4193 | pipe_crc->entries = entries; |
d538bbdf DL |
4194 | pipe_crc->head = 0; |
4195 | pipe_crc->tail = 0; | |
4196 | spin_unlock_irq(&pipe_crc->lock); | |
4b584369 DL |
4197 | } |
4198 | ||
cc3da175 | 4199 | pipe_crc->source = source; |
926321d5 | 4200 | |
926321d5 DV |
4201 | I915_WRITE(PIPE_CRC_CTL(pipe), val); |
4202 | POSTING_READ(PIPE_CRC_CTL(pipe)); | |
4203 | ||
e5f75aca DL |
4204 | /* real source -> none transition */ |
4205 | if (source == INTEL_PIPE_CRC_SOURCE_NONE) { | |
d538bbdf | 4206 | struct intel_pipe_crc_entry *entries; |
98187836 VS |
4207 | struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, |
4208 | pipe); | |
d538bbdf | 4209 | |
7cd6ccff DL |
4210 | DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n", |
4211 | pipe_name(pipe)); | |
4212 | ||
a33d7105 | 4213 | drm_modeset_lock(&crtc->base.mutex, NULL); |
f77076c9 | 4214 | if (crtc->base.state->active) |
0f0f74bc | 4215 | intel_wait_for_vblank(dev_priv, pipe); |
a33d7105 | 4216 | drm_modeset_unlock(&crtc->base.mutex); |
bcf17ab2 | 4217 | |
d538bbdf DL |
4218 | spin_lock_irq(&pipe_crc->lock); |
4219 | entries = pipe_crc->entries; | |
e5f75aca | 4220 | pipe_crc->entries = NULL; |
9ad6d99f VS |
4221 | pipe_crc->head = 0; |
4222 | pipe_crc->tail = 0; | |
d538bbdf DL |
4223 | spin_unlock_irq(&pipe_crc->lock); |
4224 | ||
4225 | kfree(entries); | |
84093603 | 4226 | |
36cdd013 DW |
4227 | if (IS_G4X(dev_priv)) |
4228 | g4x_undo_pipe_scramble_reset(dev_priv, pipe); | |
4229 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
4230 | vlv_undo_pipe_scramble_reset(dev_priv, pipe); | |
4231 | else if (IS_HASWELL(dev_priv) && pipe == PIPE_A) | |
4232 | hsw_trans_edp_pipe_A_crc_wa(dev_priv, false); | |
8c740dce PZ |
4233 | |
4234 | hsw_enable_ips(crtc); | |
e5f75aca DL |
4235 | } |
4236 | ||
e129649b ID |
4237 | ret = 0; |
4238 | ||
4239 | out: | |
4240 | intel_display_power_put(dev_priv, power_domain); | |
4241 | ||
4242 | return ret; | |
926321d5 DV |
4243 | } |
4244 | ||
4245 | /* | |
4246 | * Parse pipe CRC command strings: | |
b94dec87 DL |
4247 | * command: wsp* object wsp+ name wsp+ source wsp* |
4248 | * object: 'pipe' | |
4249 | * name: (A | B | C) | |
926321d5 DV |
4250 | * source: (none | plane1 | plane2 | pf) |
4251 | * wsp: (#0x20 | #0x9 | #0xA)+ | |
4252 | * | |
4253 | * eg.: | |
b94dec87 DL |
4254 | * "pipe A plane1" -> Start CRC computations on plane1 of pipe A |
4255 | * "pipe A none" -> Stop CRC | |
926321d5 | 4256 | */ |
bd9db02f | 4257 | static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words) |
926321d5 DV |
4258 | { |
4259 | int n_words = 0; | |
4260 | ||
4261 | while (*buf) { | |
4262 | char *end; | |
4263 | ||
4264 | /* skip leading white space */ | |
4265 | buf = skip_spaces(buf); | |
4266 | if (!*buf) | |
4267 | break; /* end of buffer */ | |
4268 | ||
4269 | /* find end of word */ | |
4270 | for (end = buf; *end && !isspace(*end); end++) | |
4271 | ; | |
4272 | ||
4273 | if (n_words == max_words) { | |
4274 | DRM_DEBUG_DRIVER("too many words, allowed <= %d\n", | |
4275 | max_words); | |
4276 | return -EINVAL; /* ran out of words[] before bytes */ | |
4277 | } | |
4278 | ||
4279 | if (*end) | |
4280 | *end++ = '\0'; | |
4281 | words[n_words++] = buf; | |
4282 | buf = end; | |
4283 | } | |
4284 | ||
4285 | return n_words; | |
4286 | } | |
4287 | ||
b94dec87 DL |
4288 | enum intel_pipe_crc_object { |
4289 | PIPE_CRC_OBJECT_PIPE, | |
4290 | }; | |
4291 | ||
e8dfcf78 | 4292 | static const char * const pipe_crc_objects[] = { |
b94dec87 DL |
4293 | "pipe", |
4294 | }; | |
4295 | ||
4296 | static int | |
bd9db02f | 4297 | display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o) |
b94dec87 DL |
4298 | { |
4299 | int i; | |
4300 | ||
4301 | for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++) | |
4302 | if (!strcmp(buf, pipe_crc_objects[i])) { | |
bd9db02f | 4303 | *o = i; |
b94dec87 DL |
4304 | return 0; |
4305 | } | |
4306 | ||
4307 | return -EINVAL; | |
4308 | } | |
4309 | ||
bd9db02f | 4310 | static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe) |
926321d5 DV |
4311 | { |
4312 | const char name = buf[0]; | |
4313 | ||
4314 | if (name < 'A' || name >= pipe_name(I915_MAX_PIPES)) | |
4315 | return -EINVAL; | |
4316 | ||
4317 | *pipe = name - 'A'; | |
4318 | ||
4319 | return 0; | |
4320 | } | |
4321 | ||
4322 | static int | |
bd9db02f | 4323 | display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s) |
926321d5 DV |
4324 | { |
4325 | int i; | |
4326 | ||
4327 | for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++) | |
4328 | if (!strcmp(buf, pipe_crc_sources[i])) { | |
bd9db02f | 4329 | *s = i; |
926321d5 DV |
4330 | return 0; |
4331 | } | |
4332 | ||
4333 | return -EINVAL; | |
4334 | } | |
4335 | ||
36cdd013 DW |
4336 | static int display_crc_ctl_parse(struct drm_i915_private *dev_priv, |
4337 | char *buf, size_t len) | |
926321d5 | 4338 | { |
b94dec87 | 4339 | #define N_WORDS 3 |
926321d5 | 4340 | int n_words; |
b94dec87 | 4341 | char *words[N_WORDS]; |
926321d5 | 4342 | enum pipe pipe; |
b94dec87 | 4343 | enum intel_pipe_crc_object object; |
926321d5 DV |
4344 | enum intel_pipe_crc_source source; |
4345 | ||
bd9db02f | 4346 | n_words = display_crc_ctl_tokenize(buf, words, N_WORDS); |
b94dec87 DL |
4347 | if (n_words != N_WORDS) { |
4348 | DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n", | |
4349 | N_WORDS); | |
4350 | return -EINVAL; | |
4351 | } | |
4352 | ||
bd9db02f | 4353 | if (display_crc_ctl_parse_object(words[0], &object) < 0) { |
b94dec87 | 4354 | DRM_DEBUG_DRIVER("unknown object %s\n", words[0]); |
926321d5 DV |
4355 | return -EINVAL; |
4356 | } | |
4357 | ||
bd9db02f | 4358 | if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) { |
b94dec87 | 4359 | DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]); |
926321d5 DV |
4360 | return -EINVAL; |
4361 | } | |
4362 | ||
bd9db02f | 4363 | if (display_crc_ctl_parse_source(words[2], &source) < 0) { |
b94dec87 | 4364 | DRM_DEBUG_DRIVER("unknown source %s\n", words[2]); |
926321d5 DV |
4365 | return -EINVAL; |
4366 | } | |
4367 | ||
36cdd013 | 4368 | return pipe_crc_set_source(dev_priv, pipe, source); |
926321d5 DV |
4369 | } |
4370 | ||
bd9db02f DL |
4371 | static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf, |
4372 | size_t len, loff_t *offp) | |
926321d5 DV |
4373 | { |
4374 | struct seq_file *m = file->private_data; | |
36cdd013 | 4375 | struct drm_i915_private *dev_priv = m->private; |
926321d5 DV |
4376 | char *tmpbuf; |
4377 | int ret; | |
4378 | ||
4379 | if (len == 0) | |
4380 | return 0; | |
4381 | ||
4382 | if (len > PAGE_SIZE - 1) { | |
4383 | DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n", | |
4384 | PAGE_SIZE); | |
4385 | return -E2BIG; | |
4386 | } | |
4387 | ||
4388 | tmpbuf = kmalloc(len + 1, GFP_KERNEL); | |
4389 | if (!tmpbuf) | |
4390 | return -ENOMEM; | |
4391 | ||
4392 | if (copy_from_user(tmpbuf, ubuf, len)) { | |
4393 | ret = -EFAULT; | |
4394 | goto out; | |
4395 | } | |
4396 | tmpbuf[len] = '\0'; | |
4397 | ||
36cdd013 | 4398 | ret = display_crc_ctl_parse(dev_priv, tmpbuf, len); |
926321d5 DV |
4399 | |
4400 | out: | |
4401 | kfree(tmpbuf); | |
4402 | if (ret < 0) | |
4403 | return ret; | |
4404 | ||
4405 | *offp += len; | |
4406 | return len; | |
4407 | } | |
4408 | ||
bd9db02f | 4409 | static const struct file_operations i915_display_crc_ctl_fops = { |
926321d5 | 4410 | .owner = THIS_MODULE, |
bd9db02f | 4411 | .open = display_crc_ctl_open, |
926321d5 DV |
4412 | .read = seq_read, |
4413 | .llseek = seq_lseek, | |
4414 | .release = single_release, | |
bd9db02f | 4415 | .write = display_crc_ctl_write |
926321d5 DV |
4416 | }; |
4417 | ||
eb3394fa | 4418 | static ssize_t i915_displayport_test_active_write(struct file *file, |
36cdd013 DW |
4419 | const char __user *ubuf, |
4420 | size_t len, loff_t *offp) | |
eb3394fa TP |
4421 | { |
4422 | char *input_buffer; | |
4423 | int status = 0; | |
eb3394fa TP |
4424 | struct drm_device *dev; |
4425 | struct drm_connector *connector; | |
4426 | struct list_head *connector_list; | |
4427 | struct intel_dp *intel_dp; | |
4428 | int val = 0; | |
4429 | ||
9aaffa34 | 4430 | dev = ((struct seq_file *)file->private_data)->private; |
eb3394fa | 4431 | |
eb3394fa TP |
4432 | connector_list = &dev->mode_config.connector_list; |
4433 | ||
4434 | if (len == 0) | |
4435 | return 0; | |
4436 | ||
4437 | input_buffer = kmalloc(len + 1, GFP_KERNEL); | |
4438 | if (!input_buffer) | |
4439 | return -ENOMEM; | |
4440 | ||
4441 | if (copy_from_user(input_buffer, ubuf, len)) { | |
4442 | status = -EFAULT; | |
4443 | goto out; | |
4444 | } | |
4445 | ||
4446 | input_buffer[len] = '\0'; | |
4447 | DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len); | |
4448 | ||
4449 | list_for_each_entry(connector, connector_list, head) { | |
eb3394fa TP |
4450 | if (connector->connector_type != |
4451 | DRM_MODE_CONNECTOR_DisplayPort) | |
4452 | continue; | |
4453 | ||
b8bb08ec | 4454 | if (connector->status == connector_status_connected && |
eb3394fa TP |
4455 | connector->encoder != NULL) { |
4456 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4457 | status = kstrtoint(input_buffer, 10, &val); | |
4458 | if (status < 0) | |
4459 | goto out; | |
4460 | DRM_DEBUG_DRIVER("Got %d for test active\n", val); | |
4461 | /* To prevent erroneous activation of the compliance | |
4462 | * testing code, only accept an actual value of 1 here | |
4463 | */ | |
4464 | if (val == 1) | |
4465 | intel_dp->compliance_test_active = 1; | |
4466 | else | |
4467 | intel_dp->compliance_test_active = 0; | |
4468 | } | |
4469 | } | |
4470 | out: | |
4471 | kfree(input_buffer); | |
4472 | if (status < 0) | |
4473 | return status; | |
4474 | ||
4475 | *offp += len; | |
4476 | return len; | |
4477 | } | |
4478 | ||
4479 | static int i915_displayport_test_active_show(struct seq_file *m, void *data) | |
4480 | { | |
4481 | struct drm_device *dev = m->private; | |
4482 | struct drm_connector *connector; | |
4483 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4484 | struct intel_dp *intel_dp; | |
4485 | ||
eb3394fa | 4486 | list_for_each_entry(connector, connector_list, head) { |
eb3394fa TP |
4487 | if (connector->connector_type != |
4488 | DRM_MODE_CONNECTOR_DisplayPort) | |
4489 | continue; | |
4490 | ||
4491 | if (connector->status == connector_status_connected && | |
4492 | connector->encoder != NULL) { | |
4493 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4494 | if (intel_dp->compliance_test_active) | |
4495 | seq_puts(m, "1"); | |
4496 | else | |
4497 | seq_puts(m, "0"); | |
4498 | } else | |
4499 | seq_puts(m, "0"); | |
4500 | } | |
4501 | ||
4502 | return 0; | |
4503 | } | |
4504 | ||
4505 | static int i915_displayport_test_active_open(struct inode *inode, | |
36cdd013 | 4506 | struct file *file) |
eb3394fa | 4507 | { |
36cdd013 | 4508 | struct drm_i915_private *dev_priv = inode->i_private; |
eb3394fa | 4509 | |
36cdd013 DW |
4510 | return single_open(file, i915_displayport_test_active_show, |
4511 | &dev_priv->drm); | |
eb3394fa TP |
4512 | } |
4513 | ||
4514 | static const struct file_operations i915_displayport_test_active_fops = { | |
4515 | .owner = THIS_MODULE, | |
4516 | .open = i915_displayport_test_active_open, | |
4517 | .read = seq_read, | |
4518 | .llseek = seq_lseek, | |
4519 | .release = single_release, | |
4520 | .write = i915_displayport_test_active_write | |
4521 | }; | |
4522 | ||
4523 | static int i915_displayport_test_data_show(struct seq_file *m, void *data) | |
4524 | { | |
4525 | struct drm_device *dev = m->private; | |
4526 | struct drm_connector *connector; | |
4527 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4528 | struct intel_dp *intel_dp; | |
4529 | ||
eb3394fa | 4530 | list_for_each_entry(connector, connector_list, head) { |
eb3394fa TP |
4531 | if (connector->connector_type != |
4532 | DRM_MODE_CONNECTOR_DisplayPort) | |
4533 | continue; | |
4534 | ||
4535 | if (connector->status == connector_status_connected && | |
4536 | connector->encoder != NULL) { | |
4537 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4538 | seq_printf(m, "%lx", intel_dp->compliance_test_data); | |
4539 | } else | |
4540 | seq_puts(m, "0"); | |
4541 | } | |
4542 | ||
4543 | return 0; | |
4544 | } | |
4545 | static int i915_displayport_test_data_open(struct inode *inode, | |
36cdd013 | 4546 | struct file *file) |
eb3394fa | 4547 | { |
36cdd013 | 4548 | struct drm_i915_private *dev_priv = inode->i_private; |
eb3394fa | 4549 | |
36cdd013 DW |
4550 | return single_open(file, i915_displayport_test_data_show, |
4551 | &dev_priv->drm); | |
eb3394fa TP |
4552 | } |
4553 | ||
4554 | static const struct file_operations i915_displayport_test_data_fops = { | |
4555 | .owner = THIS_MODULE, | |
4556 | .open = i915_displayport_test_data_open, | |
4557 | .read = seq_read, | |
4558 | .llseek = seq_lseek, | |
4559 | .release = single_release | |
4560 | }; | |
4561 | ||
4562 | static int i915_displayport_test_type_show(struct seq_file *m, void *data) | |
4563 | { | |
4564 | struct drm_device *dev = m->private; | |
4565 | struct drm_connector *connector; | |
4566 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4567 | struct intel_dp *intel_dp; | |
4568 | ||
eb3394fa | 4569 | list_for_each_entry(connector, connector_list, head) { |
eb3394fa TP |
4570 | if (connector->connector_type != |
4571 | DRM_MODE_CONNECTOR_DisplayPort) | |
4572 | continue; | |
4573 | ||
4574 | if (connector->status == connector_status_connected && | |
4575 | connector->encoder != NULL) { | |
4576 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4577 | seq_printf(m, "%02lx", intel_dp->compliance_test_type); | |
4578 | } else | |
4579 | seq_puts(m, "0"); | |
4580 | } | |
4581 | ||
4582 | return 0; | |
4583 | } | |
4584 | ||
4585 | static int i915_displayport_test_type_open(struct inode *inode, | |
4586 | struct file *file) | |
4587 | { | |
36cdd013 | 4588 | struct drm_i915_private *dev_priv = inode->i_private; |
eb3394fa | 4589 | |
36cdd013 DW |
4590 | return single_open(file, i915_displayport_test_type_show, |
4591 | &dev_priv->drm); | |
eb3394fa TP |
4592 | } |
4593 | ||
4594 | static const struct file_operations i915_displayport_test_type_fops = { | |
4595 | .owner = THIS_MODULE, | |
4596 | .open = i915_displayport_test_type_open, | |
4597 | .read = seq_read, | |
4598 | .llseek = seq_lseek, | |
4599 | .release = single_release | |
4600 | }; | |
4601 | ||
97e94b22 | 4602 | static void wm_latency_show(struct seq_file *m, const uint16_t wm[8]) |
369a1342 | 4603 | { |
36cdd013 DW |
4604 | struct drm_i915_private *dev_priv = m->private; |
4605 | struct drm_device *dev = &dev_priv->drm; | |
369a1342 | 4606 | int level; |
de38b95c VS |
4607 | int num_levels; |
4608 | ||
36cdd013 | 4609 | if (IS_CHERRYVIEW(dev_priv)) |
de38b95c | 4610 | num_levels = 3; |
36cdd013 | 4611 | else if (IS_VALLEYVIEW(dev_priv)) |
de38b95c VS |
4612 | num_levels = 1; |
4613 | else | |
5db94019 | 4614 | num_levels = ilk_wm_max_level(dev_priv) + 1; |
369a1342 VS |
4615 | |
4616 | drm_modeset_lock_all(dev); | |
4617 | ||
4618 | for (level = 0; level < num_levels; level++) { | |
4619 | unsigned int latency = wm[level]; | |
4620 | ||
97e94b22 DL |
4621 | /* |
4622 | * - WM1+ latency values in 0.5us units | |
de38b95c | 4623 | * - latencies are in us on gen9/vlv/chv |
97e94b22 | 4624 | */ |
36cdd013 DW |
4625 | if (INTEL_GEN(dev_priv) >= 9 || IS_VALLEYVIEW(dev_priv) || |
4626 | IS_CHERRYVIEW(dev_priv)) | |
97e94b22 DL |
4627 | latency *= 10; |
4628 | else if (level > 0) | |
369a1342 VS |
4629 | latency *= 5; |
4630 | ||
4631 | seq_printf(m, "WM%d %u (%u.%u usec)\n", | |
97e94b22 | 4632 | level, wm[level], latency / 10, latency % 10); |
369a1342 VS |
4633 | } |
4634 | ||
4635 | drm_modeset_unlock_all(dev); | |
4636 | } | |
4637 | ||
4638 | static int pri_wm_latency_show(struct seq_file *m, void *data) | |
4639 | { | |
36cdd013 | 4640 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4641 | const uint16_t *latencies; |
4642 | ||
36cdd013 | 4643 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4644 | latencies = dev_priv->wm.skl_latency; |
4645 | else | |
36cdd013 | 4646 | latencies = dev_priv->wm.pri_latency; |
369a1342 | 4647 | |
97e94b22 | 4648 | wm_latency_show(m, latencies); |
369a1342 VS |
4649 | |
4650 | return 0; | |
4651 | } | |
4652 | ||
4653 | static int spr_wm_latency_show(struct seq_file *m, void *data) | |
4654 | { | |
36cdd013 | 4655 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4656 | const uint16_t *latencies; |
4657 | ||
36cdd013 | 4658 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4659 | latencies = dev_priv->wm.skl_latency; |
4660 | else | |
36cdd013 | 4661 | latencies = dev_priv->wm.spr_latency; |
369a1342 | 4662 | |
97e94b22 | 4663 | wm_latency_show(m, latencies); |
369a1342 VS |
4664 | |
4665 | return 0; | |
4666 | } | |
4667 | ||
4668 | static int cur_wm_latency_show(struct seq_file *m, void *data) | |
4669 | { | |
36cdd013 | 4670 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4671 | const uint16_t *latencies; |
4672 | ||
36cdd013 | 4673 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4674 | latencies = dev_priv->wm.skl_latency; |
4675 | else | |
36cdd013 | 4676 | latencies = dev_priv->wm.cur_latency; |
369a1342 | 4677 | |
97e94b22 | 4678 | wm_latency_show(m, latencies); |
369a1342 VS |
4679 | |
4680 | return 0; | |
4681 | } | |
4682 | ||
4683 | static int pri_wm_latency_open(struct inode *inode, struct file *file) | |
4684 | { | |
36cdd013 | 4685 | struct drm_i915_private *dev_priv = inode->i_private; |
369a1342 | 4686 | |
36cdd013 | 4687 | if (INTEL_GEN(dev_priv) < 5) |
369a1342 VS |
4688 | return -ENODEV; |
4689 | ||
36cdd013 | 4690 | return single_open(file, pri_wm_latency_show, dev_priv); |
369a1342 VS |
4691 | } |
4692 | ||
4693 | static int spr_wm_latency_open(struct inode *inode, struct file *file) | |
4694 | { | |
36cdd013 | 4695 | struct drm_i915_private *dev_priv = inode->i_private; |
369a1342 | 4696 | |
36cdd013 | 4697 | if (HAS_GMCH_DISPLAY(dev_priv)) |
369a1342 VS |
4698 | return -ENODEV; |
4699 | ||
36cdd013 | 4700 | return single_open(file, spr_wm_latency_show, dev_priv); |
369a1342 VS |
4701 | } |
4702 | ||
4703 | static int cur_wm_latency_open(struct inode *inode, struct file *file) | |
4704 | { | |
36cdd013 | 4705 | struct drm_i915_private *dev_priv = inode->i_private; |
369a1342 | 4706 | |
36cdd013 | 4707 | if (HAS_GMCH_DISPLAY(dev_priv)) |
369a1342 VS |
4708 | return -ENODEV; |
4709 | ||
36cdd013 | 4710 | return single_open(file, cur_wm_latency_show, dev_priv); |
369a1342 VS |
4711 | } |
4712 | ||
4713 | static ssize_t wm_latency_write(struct file *file, const char __user *ubuf, | |
97e94b22 | 4714 | size_t len, loff_t *offp, uint16_t wm[8]) |
369a1342 VS |
4715 | { |
4716 | struct seq_file *m = file->private_data; | |
36cdd013 DW |
4717 | struct drm_i915_private *dev_priv = m->private; |
4718 | struct drm_device *dev = &dev_priv->drm; | |
97e94b22 | 4719 | uint16_t new[8] = { 0 }; |
de38b95c | 4720 | int num_levels; |
369a1342 VS |
4721 | int level; |
4722 | int ret; | |
4723 | char tmp[32]; | |
4724 | ||
36cdd013 | 4725 | if (IS_CHERRYVIEW(dev_priv)) |
de38b95c | 4726 | num_levels = 3; |
36cdd013 | 4727 | else if (IS_VALLEYVIEW(dev_priv)) |
de38b95c VS |
4728 | num_levels = 1; |
4729 | else | |
5db94019 | 4730 | num_levels = ilk_wm_max_level(dev_priv) + 1; |
de38b95c | 4731 | |
369a1342 VS |
4732 | if (len >= sizeof(tmp)) |
4733 | return -EINVAL; | |
4734 | ||
4735 | if (copy_from_user(tmp, ubuf, len)) | |
4736 | return -EFAULT; | |
4737 | ||
4738 | tmp[len] = '\0'; | |
4739 | ||
97e94b22 DL |
4740 | ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu", |
4741 | &new[0], &new[1], &new[2], &new[3], | |
4742 | &new[4], &new[5], &new[6], &new[7]); | |
369a1342 VS |
4743 | if (ret != num_levels) |
4744 | return -EINVAL; | |
4745 | ||
4746 | drm_modeset_lock_all(dev); | |
4747 | ||
4748 | for (level = 0; level < num_levels; level++) | |
4749 | wm[level] = new[level]; | |
4750 | ||
4751 | drm_modeset_unlock_all(dev); | |
4752 | ||
4753 | return len; | |
4754 | } | |
4755 | ||
4756 | ||
4757 | static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf, | |
4758 | size_t len, loff_t *offp) | |
4759 | { | |
4760 | struct seq_file *m = file->private_data; | |
36cdd013 | 4761 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 | 4762 | uint16_t *latencies; |
369a1342 | 4763 | |
36cdd013 | 4764 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4765 | latencies = dev_priv->wm.skl_latency; |
4766 | else | |
36cdd013 | 4767 | latencies = dev_priv->wm.pri_latency; |
97e94b22 DL |
4768 | |
4769 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
4770 | } |
4771 | ||
4772 | static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf, | |
4773 | size_t len, loff_t *offp) | |
4774 | { | |
4775 | struct seq_file *m = file->private_data; | |
36cdd013 | 4776 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 | 4777 | uint16_t *latencies; |
369a1342 | 4778 | |
36cdd013 | 4779 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4780 | latencies = dev_priv->wm.skl_latency; |
4781 | else | |
36cdd013 | 4782 | latencies = dev_priv->wm.spr_latency; |
97e94b22 DL |
4783 | |
4784 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
4785 | } |
4786 | ||
4787 | static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf, | |
4788 | size_t len, loff_t *offp) | |
4789 | { | |
4790 | struct seq_file *m = file->private_data; | |
36cdd013 | 4791 | struct drm_i915_private *dev_priv = m->private; |
97e94b22 DL |
4792 | uint16_t *latencies; |
4793 | ||
36cdd013 | 4794 | if (INTEL_GEN(dev_priv) >= 9) |
97e94b22 DL |
4795 | latencies = dev_priv->wm.skl_latency; |
4796 | else | |
36cdd013 | 4797 | latencies = dev_priv->wm.cur_latency; |
369a1342 | 4798 | |
97e94b22 | 4799 | return wm_latency_write(file, ubuf, len, offp, latencies); |
369a1342 VS |
4800 | } |
4801 | ||
4802 | static const struct file_operations i915_pri_wm_latency_fops = { | |
4803 | .owner = THIS_MODULE, | |
4804 | .open = pri_wm_latency_open, | |
4805 | .read = seq_read, | |
4806 | .llseek = seq_lseek, | |
4807 | .release = single_release, | |
4808 | .write = pri_wm_latency_write | |
4809 | }; | |
4810 | ||
4811 | static const struct file_operations i915_spr_wm_latency_fops = { | |
4812 | .owner = THIS_MODULE, | |
4813 | .open = spr_wm_latency_open, | |
4814 | .read = seq_read, | |
4815 | .llseek = seq_lseek, | |
4816 | .release = single_release, | |
4817 | .write = spr_wm_latency_write | |
4818 | }; | |
4819 | ||
4820 | static const struct file_operations i915_cur_wm_latency_fops = { | |
4821 | .owner = THIS_MODULE, | |
4822 | .open = cur_wm_latency_open, | |
4823 | .read = seq_read, | |
4824 | .llseek = seq_lseek, | |
4825 | .release = single_release, | |
4826 | .write = cur_wm_latency_write | |
4827 | }; | |
4828 | ||
647416f9 KC |
4829 | static int |
4830 | i915_wedged_get(void *data, u64 *val) | |
f3cd474b | 4831 | { |
36cdd013 | 4832 | struct drm_i915_private *dev_priv = data; |
f3cd474b | 4833 | |
d98c52cf | 4834 | *val = i915_terminally_wedged(&dev_priv->gpu_error); |
f3cd474b | 4835 | |
647416f9 | 4836 | return 0; |
f3cd474b CW |
4837 | } |
4838 | ||
647416f9 KC |
4839 | static int |
4840 | i915_wedged_set(void *data, u64 val) | |
f3cd474b | 4841 | { |
36cdd013 | 4842 | struct drm_i915_private *dev_priv = data; |
d46c0517 | 4843 | |
b8d24a06 MK |
4844 | /* |
4845 | * There is no safeguard against this debugfs entry colliding | |
4846 | * with the hangcheck calling same i915_handle_error() in | |
4847 | * parallel, causing an explosion. For now we assume that the | |
4848 | * test harness is responsible enough not to inject gpu hangs | |
4849 | * while it is writing to 'i915_wedged' | |
4850 | */ | |
4851 | ||
d98c52cf | 4852 | if (i915_reset_in_progress(&dev_priv->gpu_error)) |
b8d24a06 MK |
4853 | return -EAGAIN; |
4854 | ||
c033666a | 4855 | i915_handle_error(dev_priv, val, |
58174462 | 4856 | "Manually setting wedged to %llu", val); |
d46c0517 | 4857 | |
647416f9 | 4858 | return 0; |
f3cd474b CW |
4859 | } |
4860 | ||
647416f9 KC |
4861 | DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, |
4862 | i915_wedged_get, i915_wedged_set, | |
3a3b4f98 | 4863 | "%llu\n"); |
f3cd474b | 4864 | |
094f9a54 CW |
4865 | static int |
4866 | i915_ring_missed_irq_get(void *data, u64 *val) | |
4867 | { | |
36cdd013 | 4868 | struct drm_i915_private *dev_priv = data; |
094f9a54 CW |
4869 | |
4870 | *val = dev_priv->gpu_error.missed_irq_rings; | |
4871 | return 0; | |
4872 | } | |
4873 | ||
4874 | static int | |
4875 | i915_ring_missed_irq_set(void *data, u64 val) | |
4876 | { | |
36cdd013 DW |
4877 | struct drm_i915_private *dev_priv = data; |
4878 | struct drm_device *dev = &dev_priv->drm; | |
094f9a54 CW |
4879 | int ret; |
4880 | ||
4881 | /* Lock against concurrent debugfs callers */ | |
4882 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4883 | if (ret) | |
4884 | return ret; | |
4885 | dev_priv->gpu_error.missed_irq_rings = val; | |
4886 | mutex_unlock(&dev->struct_mutex); | |
4887 | ||
4888 | return 0; | |
4889 | } | |
4890 | ||
4891 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops, | |
4892 | i915_ring_missed_irq_get, i915_ring_missed_irq_set, | |
4893 | "0x%08llx\n"); | |
4894 | ||
4895 | static int | |
4896 | i915_ring_test_irq_get(void *data, u64 *val) | |
4897 | { | |
36cdd013 | 4898 | struct drm_i915_private *dev_priv = data; |
094f9a54 CW |
4899 | |
4900 | *val = dev_priv->gpu_error.test_irq_rings; | |
4901 | ||
4902 | return 0; | |
4903 | } | |
4904 | ||
4905 | static int | |
4906 | i915_ring_test_irq_set(void *data, u64 val) | |
4907 | { | |
36cdd013 | 4908 | struct drm_i915_private *dev_priv = data; |
094f9a54 | 4909 | |
3a122c27 | 4910 | val &= INTEL_INFO(dev_priv)->ring_mask; |
094f9a54 | 4911 | DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val); |
094f9a54 | 4912 | dev_priv->gpu_error.test_irq_rings = val; |
094f9a54 CW |
4913 | |
4914 | return 0; | |
4915 | } | |
4916 | ||
4917 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, | |
4918 | i915_ring_test_irq_get, i915_ring_test_irq_set, | |
4919 | "0x%08llx\n"); | |
4920 | ||
dd624afd CW |
4921 | #define DROP_UNBOUND 0x1 |
4922 | #define DROP_BOUND 0x2 | |
4923 | #define DROP_RETIRE 0x4 | |
4924 | #define DROP_ACTIVE 0x8 | |
fbbd37b3 CW |
4925 | #define DROP_FREED 0x10 |
4926 | #define DROP_ALL (DROP_UNBOUND | \ | |
4927 | DROP_BOUND | \ | |
4928 | DROP_RETIRE | \ | |
4929 | DROP_ACTIVE | \ | |
4930 | DROP_FREED) | |
647416f9 KC |
4931 | static int |
4932 | i915_drop_caches_get(void *data, u64 *val) | |
dd624afd | 4933 | { |
647416f9 | 4934 | *val = DROP_ALL; |
dd624afd | 4935 | |
647416f9 | 4936 | return 0; |
dd624afd CW |
4937 | } |
4938 | ||
647416f9 KC |
4939 | static int |
4940 | i915_drop_caches_set(void *data, u64 val) | |
dd624afd | 4941 | { |
36cdd013 DW |
4942 | struct drm_i915_private *dev_priv = data; |
4943 | struct drm_device *dev = &dev_priv->drm; | |
647416f9 | 4944 | int ret; |
dd624afd | 4945 | |
2f9fe5ff | 4946 | DRM_DEBUG("Dropping caches: 0x%08llx\n", val); |
dd624afd CW |
4947 | |
4948 | /* No need to check and wait for gpu resets, only libdrm auto-restarts | |
4949 | * on ioctls on -EAGAIN. */ | |
4950 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4951 | if (ret) | |
4952 | return ret; | |
4953 | ||
4954 | if (val & DROP_ACTIVE) { | |
22dd3bb9 CW |
4955 | ret = i915_gem_wait_for_idle(dev_priv, |
4956 | I915_WAIT_INTERRUPTIBLE | | |
4957 | I915_WAIT_LOCKED); | |
dd624afd CW |
4958 | if (ret) |
4959 | goto unlock; | |
4960 | } | |
4961 | ||
4962 | if (val & (DROP_RETIRE | DROP_ACTIVE)) | |
c033666a | 4963 | i915_gem_retire_requests(dev_priv); |
dd624afd | 4964 | |
21ab4e74 CW |
4965 | if (val & DROP_BOUND) |
4966 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND); | |
4ad72b7f | 4967 | |
21ab4e74 CW |
4968 | if (val & DROP_UNBOUND) |
4969 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); | |
dd624afd CW |
4970 | |
4971 | unlock: | |
4972 | mutex_unlock(&dev->struct_mutex); | |
4973 | ||
fbbd37b3 CW |
4974 | if (val & DROP_FREED) { |
4975 | synchronize_rcu(); | |
4976 | flush_work(&dev_priv->mm.free_work); | |
4977 | } | |
4978 | ||
647416f9 | 4979 | return ret; |
dd624afd CW |
4980 | } |
4981 | ||
647416f9 KC |
4982 | DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, |
4983 | i915_drop_caches_get, i915_drop_caches_set, | |
4984 | "0x%08llx\n"); | |
dd624afd | 4985 | |
647416f9 KC |
4986 | static int |
4987 | i915_max_freq_get(void *data, u64 *val) | |
358733e9 | 4988 | { |
36cdd013 | 4989 | struct drm_i915_private *dev_priv = data; |
004777cb | 4990 | |
36cdd013 | 4991 | if (INTEL_GEN(dev_priv) < 6) |
004777cb DV |
4992 | return -ENODEV; |
4993 | ||
7c59a9c1 | 4994 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit); |
647416f9 | 4995 | return 0; |
358733e9 JB |
4996 | } |
4997 | ||
647416f9 KC |
4998 | static int |
4999 | i915_max_freq_set(void *data, u64 val) | |
358733e9 | 5000 | { |
36cdd013 | 5001 | struct drm_i915_private *dev_priv = data; |
bc4d91f6 | 5002 | u32 hw_max, hw_min; |
647416f9 | 5003 | int ret; |
004777cb | 5004 | |
36cdd013 | 5005 | if (INTEL_GEN(dev_priv) < 6) |
004777cb | 5006 | return -ENODEV; |
358733e9 | 5007 | |
647416f9 | 5008 | DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val); |
358733e9 | 5009 | |
4fc688ce | 5010 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
5011 | if (ret) |
5012 | return ret; | |
5013 | ||
358733e9 JB |
5014 | /* |
5015 | * Turbo will still be enabled, but won't go above the set value. | |
5016 | */ | |
bc4d91f6 | 5017 | val = intel_freq_opcode(dev_priv, val); |
dd0a1aa1 | 5018 | |
bc4d91f6 AG |
5019 | hw_max = dev_priv->rps.max_freq; |
5020 | hw_min = dev_priv->rps.min_freq; | |
dd0a1aa1 | 5021 | |
b39fb297 | 5022 | if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { |
dd0a1aa1 JM |
5023 | mutex_unlock(&dev_priv->rps.hw_lock); |
5024 | return -EINVAL; | |
0a073b84 JB |
5025 | } |
5026 | ||
b39fb297 | 5027 | dev_priv->rps.max_freq_softlimit = val; |
dd0a1aa1 | 5028 | |
dc97997a | 5029 | intel_set_rps(dev_priv, val); |
dd0a1aa1 | 5030 | |
4fc688ce | 5031 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 5032 | |
647416f9 | 5033 | return 0; |
358733e9 JB |
5034 | } |
5035 | ||
647416f9 KC |
5036 | DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops, |
5037 | i915_max_freq_get, i915_max_freq_set, | |
3a3b4f98 | 5038 | "%llu\n"); |
358733e9 | 5039 | |
647416f9 KC |
5040 | static int |
5041 | i915_min_freq_get(void *data, u64 *val) | |
1523c310 | 5042 | { |
36cdd013 | 5043 | struct drm_i915_private *dev_priv = data; |
004777cb | 5044 | |
62e1baa1 | 5045 | if (INTEL_GEN(dev_priv) < 6) |
004777cb DV |
5046 | return -ENODEV; |
5047 | ||
7c59a9c1 | 5048 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit); |
647416f9 | 5049 | return 0; |
1523c310 JB |
5050 | } |
5051 | ||
647416f9 KC |
5052 | static int |
5053 | i915_min_freq_set(void *data, u64 val) | |
1523c310 | 5054 | { |
36cdd013 | 5055 | struct drm_i915_private *dev_priv = data; |
bc4d91f6 | 5056 | u32 hw_max, hw_min; |
647416f9 | 5057 | int ret; |
004777cb | 5058 | |
62e1baa1 | 5059 | if (INTEL_GEN(dev_priv) < 6) |
004777cb | 5060 | return -ENODEV; |
1523c310 | 5061 | |
647416f9 | 5062 | DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val); |
1523c310 | 5063 | |
4fc688ce | 5064 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
5065 | if (ret) |
5066 | return ret; | |
5067 | ||
1523c310 JB |
5068 | /* |
5069 | * Turbo will still be enabled, but won't go below the set value. | |
5070 | */ | |
bc4d91f6 | 5071 | val = intel_freq_opcode(dev_priv, val); |
dd0a1aa1 | 5072 | |
bc4d91f6 AG |
5073 | hw_max = dev_priv->rps.max_freq; |
5074 | hw_min = dev_priv->rps.min_freq; | |
dd0a1aa1 | 5075 | |
36cdd013 DW |
5076 | if (val < hw_min || |
5077 | val > hw_max || val > dev_priv->rps.max_freq_softlimit) { | |
dd0a1aa1 JM |
5078 | mutex_unlock(&dev_priv->rps.hw_lock); |
5079 | return -EINVAL; | |
0a073b84 | 5080 | } |
dd0a1aa1 | 5081 | |
b39fb297 | 5082 | dev_priv->rps.min_freq_softlimit = val; |
dd0a1aa1 | 5083 | |
dc97997a | 5084 | intel_set_rps(dev_priv, val); |
dd0a1aa1 | 5085 | |
4fc688ce | 5086 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 5087 | |
647416f9 | 5088 | return 0; |
1523c310 JB |
5089 | } |
5090 | ||
647416f9 KC |
5091 | DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops, |
5092 | i915_min_freq_get, i915_min_freq_set, | |
3a3b4f98 | 5093 | "%llu\n"); |
1523c310 | 5094 | |
647416f9 KC |
5095 | static int |
5096 | i915_cache_sharing_get(void *data, u64 *val) | |
07b7ddd9 | 5097 | { |
36cdd013 | 5098 | struct drm_i915_private *dev_priv = data; |
07b7ddd9 | 5099 | u32 snpcr; |
07b7ddd9 | 5100 | |
36cdd013 | 5101 | if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) |
004777cb DV |
5102 | return -ENODEV; |
5103 | ||
c8c8fb33 | 5104 | intel_runtime_pm_get(dev_priv); |
22bcfc6a | 5105 | |
07b7ddd9 | 5106 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); |
c8c8fb33 PZ |
5107 | |
5108 | intel_runtime_pm_put(dev_priv); | |
07b7ddd9 | 5109 | |
647416f9 | 5110 | *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; |
07b7ddd9 | 5111 | |
647416f9 | 5112 | return 0; |
07b7ddd9 JB |
5113 | } |
5114 | ||
647416f9 KC |
5115 | static int |
5116 | i915_cache_sharing_set(void *data, u64 val) | |
07b7ddd9 | 5117 | { |
36cdd013 | 5118 | struct drm_i915_private *dev_priv = data; |
07b7ddd9 | 5119 | u32 snpcr; |
07b7ddd9 | 5120 | |
36cdd013 | 5121 | if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) |
004777cb DV |
5122 | return -ENODEV; |
5123 | ||
647416f9 | 5124 | if (val > 3) |
07b7ddd9 JB |
5125 | return -EINVAL; |
5126 | ||
c8c8fb33 | 5127 | intel_runtime_pm_get(dev_priv); |
647416f9 | 5128 | DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val); |
07b7ddd9 JB |
5129 | |
5130 | /* Update the cache sharing policy here as well */ | |
5131 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); | |
5132 | snpcr &= ~GEN6_MBC_SNPCR_MASK; | |
5133 | snpcr |= (val << GEN6_MBC_SNPCR_SHIFT); | |
5134 | I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); | |
5135 | ||
c8c8fb33 | 5136 | intel_runtime_pm_put(dev_priv); |
647416f9 | 5137 | return 0; |
07b7ddd9 JB |
5138 | } |
5139 | ||
647416f9 KC |
5140 | DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, |
5141 | i915_cache_sharing_get, i915_cache_sharing_set, | |
5142 | "%llu\n"); | |
07b7ddd9 | 5143 | |
36cdd013 | 5144 | static void cherryview_sseu_device_status(struct drm_i915_private *dev_priv, |
915490d5 | 5145 | struct sseu_dev_info *sseu) |
5d39525a | 5146 | { |
0a0b457f | 5147 | int ss_max = 2; |
5d39525a JM |
5148 | int ss; |
5149 | u32 sig1[ss_max], sig2[ss_max]; | |
5150 | ||
5151 | sig1[0] = I915_READ(CHV_POWER_SS0_SIG1); | |
5152 | sig1[1] = I915_READ(CHV_POWER_SS1_SIG1); | |
5153 | sig2[0] = I915_READ(CHV_POWER_SS0_SIG2); | |
5154 | sig2[1] = I915_READ(CHV_POWER_SS1_SIG2); | |
5155 | ||
5156 | for (ss = 0; ss < ss_max; ss++) { | |
5157 | unsigned int eu_cnt; | |
5158 | ||
5159 | if (sig1[ss] & CHV_SS_PG_ENABLE) | |
5160 | /* skip disabled subslice */ | |
5161 | continue; | |
5162 | ||
f08a0c92 | 5163 | sseu->slice_mask = BIT(0); |
57ec171e | 5164 | sseu->subslice_mask |= BIT(ss); |
5d39525a JM |
5165 | eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) + |
5166 | ((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) + | |
5167 | ((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) + | |
5168 | ((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2); | |
915490d5 ID |
5169 | sseu->eu_total += eu_cnt; |
5170 | sseu->eu_per_subslice = max_t(unsigned int, | |
5171 | sseu->eu_per_subslice, eu_cnt); | |
5d39525a | 5172 | } |
5d39525a JM |
5173 | } |
5174 | ||
36cdd013 | 5175 | static void gen9_sseu_device_status(struct drm_i915_private *dev_priv, |
915490d5 | 5176 | struct sseu_dev_info *sseu) |
5d39525a | 5177 | { |
1c046bc1 | 5178 | int s_max = 3, ss_max = 4; |
5d39525a JM |
5179 | int s, ss; |
5180 | u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2]; | |
5181 | ||
1c046bc1 | 5182 | /* BXT has a single slice and at most 3 subslices. */ |
cc3f90f0 | 5183 | if (IS_GEN9_LP(dev_priv)) { |
1c046bc1 JM |
5184 | s_max = 1; |
5185 | ss_max = 3; | |
5186 | } | |
5187 | ||
5188 | for (s = 0; s < s_max; s++) { | |
5189 | s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s)); | |
5190 | eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s)); | |
5191 | eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s)); | |
5192 | } | |
5193 | ||
5d39525a JM |
5194 | eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK | |
5195 | GEN9_PGCTL_SSA_EU19_ACK | | |
5196 | GEN9_PGCTL_SSA_EU210_ACK | | |
5197 | GEN9_PGCTL_SSA_EU311_ACK; | |
5198 | eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK | | |
5199 | GEN9_PGCTL_SSB_EU19_ACK | | |
5200 | GEN9_PGCTL_SSB_EU210_ACK | | |
5201 | GEN9_PGCTL_SSB_EU311_ACK; | |
5202 | ||
5203 | for (s = 0; s < s_max; s++) { | |
5204 | if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0) | |
5205 | /* skip disabled slice */ | |
5206 | continue; | |
5207 | ||
f08a0c92 | 5208 | sseu->slice_mask |= BIT(s); |
1c046bc1 | 5209 | |
36cdd013 | 5210 | if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) |
57ec171e ID |
5211 | sseu->subslice_mask = |
5212 | INTEL_INFO(dev_priv)->sseu.subslice_mask; | |
1c046bc1 | 5213 | |
5d39525a JM |
5214 | for (ss = 0; ss < ss_max; ss++) { |
5215 | unsigned int eu_cnt; | |
5216 | ||
cc3f90f0 | 5217 | if (IS_GEN9_LP(dev_priv)) { |
57ec171e ID |
5218 | if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss)))) |
5219 | /* skip disabled subslice */ | |
5220 | continue; | |
1c046bc1 | 5221 | |
57ec171e ID |
5222 | sseu->subslice_mask |= BIT(ss); |
5223 | } | |
1c046bc1 | 5224 | |
5d39525a JM |
5225 | eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] & |
5226 | eu_mask[ss%2]); | |
915490d5 ID |
5227 | sseu->eu_total += eu_cnt; |
5228 | sseu->eu_per_subslice = max_t(unsigned int, | |
5229 | sseu->eu_per_subslice, | |
5230 | eu_cnt); | |
5d39525a JM |
5231 | } |
5232 | } | |
5233 | } | |
5234 | ||
36cdd013 | 5235 | static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv, |
915490d5 | 5236 | struct sseu_dev_info *sseu) |
91bedd34 | 5237 | { |
91bedd34 | 5238 | u32 slice_info = I915_READ(GEN8_GT_SLICE_INFO); |
36cdd013 | 5239 | int s; |
91bedd34 | 5240 | |
f08a0c92 | 5241 | sseu->slice_mask = slice_info & GEN8_LSLICESTAT_MASK; |
91bedd34 | 5242 | |
f08a0c92 | 5243 | if (sseu->slice_mask) { |
57ec171e | 5244 | sseu->subslice_mask = INTEL_INFO(dev_priv)->sseu.subslice_mask; |
43b67998 ID |
5245 | sseu->eu_per_subslice = |
5246 | INTEL_INFO(dev_priv)->sseu.eu_per_subslice; | |
57ec171e ID |
5247 | sseu->eu_total = sseu->eu_per_subslice * |
5248 | sseu_subslice_total(sseu); | |
91bedd34 ŁD |
5249 | |
5250 | /* subtract fused off EU(s) from enabled slice(s) */ | |
795b38b3 | 5251 | for (s = 0; s < fls(sseu->slice_mask); s++) { |
43b67998 ID |
5252 | u8 subslice_7eu = |
5253 | INTEL_INFO(dev_priv)->sseu.subslice_7eu[s]; | |
91bedd34 | 5254 | |
915490d5 | 5255 | sseu->eu_total -= hweight8(subslice_7eu); |
91bedd34 ŁD |
5256 | } |
5257 | } | |
5258 | } | |
5259 | ||
615d8908 ID |
5260 | static void i915_print_sseu_info(struct seq_file *m, bool is_available_info, |
5261 | const struct sseu_dev_info *sseu) | |
5262 | { | |
5263 | struct drm_i915_private *dev_priv = node_to_i915(m->private); | |
5264 | const char *type = is_available_info ? "Available" : "Enabled"; | |
5265 | ||
c67ba538 ID |
5266 | seq_printf(m, " %s Slice Mask: %04x\n", type, |
5267 | sseu->slice_mask); | |
615d8908 | 5268 | seq_printf(m, " %s Slice Total: %u\n", type, |
f08a0c92 | 5269 | hweight8(sseu->slice_mask)); |
615d8908 | 5270 | seq_printf(m, " %s Subslice Total: %u\n", type, |
57ec171e | 5271 | sseu_subslice_total(sseu)); |
c67ba538 ID |
5272 | seq_printf(m, " %s Subslice Mask: %04x\n", type, |
5273 | sseu->subslice_mask); | |
615d8908 | 5274 | seq_printf(m, " %s Subslice Per Slice: %u\n", type, |
57ec171e | 5275 | hweight8(sseu->subslice_mask)); |
615d8908 ID |
5276 | seq_printf(m, " %s EU Total: %u\n", type, |
5277 | sseu->eu_total); | |
5278 | seq_printf(m, " %s EU Per Subslice: %u\n", type, | |
5279 | sseu->eu_per_subslice); | |
5280 | ||
5281 | if (!is_available_info) | |
5282 | return; | |
5283 | ||
5284 | seq_printf(m, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev_priv))); | |
5285 | if (HAS_POOLED_EU(dev_priv)) | |
5286 | seq_printf(m, " Min EU in pool: %u\n", sseu->min_eu_in_pool); | |
5287 | ||
5288 | seq_printf(m, " Has Slice Power Gating: %s\n", | |
5289 | yesno(sseu->has_slice_pg)); | |
5290 | seq_printf(m, " Has Subslice Power Gating: %s\n", | |
5291 | yesno(sseu->has_subslice_pg)); | |
5292 | seq_printf(m, " Has EU Power Gating: %s\n", | |
5293 | yesno(sseu->has_eu_pg)); | |
5294 | } | |
5295 | ||
3873218f JM |
5296 | static int i915_sseu_status(struct seq_file *m, void *unused) |
5297 | { | |
36cdd013 | 5298 | struct drm_i915_private *dev_priv = node_to_i915(m->private); |
915490d5 | 5299 | struct sseu_dev_info sseu; |
3873218f | 5300 | |
36cdd013 | 5301 | if (INTEL_GEN(dev_priv) < 8) |
3873218f JM |
5302 | return -ENODEV; |
5303 | ||
5304 | seq_puts(m, "SSEU Device Info\n"); | |
615d8908 | 5305 | i915_print_sseu_info(m, true, &INTEL_INFO(dev_priv)->sseu); |
3873218f | 5306 | |
7f992aba | 5307 | seq_puts(m, "SSEU Device Status\n"); |
915490d5 | 5308 | memset(&sseu, 0, sizeof(sseu)); |
238010ed DW |
5309 | |
5310 | intel_runtime_pm_get(dev_priv); | |
5311 | ||
36cdd013 | 5312 | if (IS_CHERRYVIEW(dev_priv)) { |
915490d5 | 5313 | cherryview_sseu_device_status(dev_priv, &sseu); |
36cdd013 | 5314 | } else if (IS_BROADWELL(dev_priv)) { |
915490d5 | 5315 | broadwell_sseu_device_status(dev_priv, &sseu); |
36cdd013 | 5316 | } else if (INTEL_GEN(dev_priv) >= 9) { |
915490d5 | 5317 | gen9_sseu_device_status(dev_priv, &sseu); |
7f992aba | 5318 | } |
238010ed DW |
5319 | |
5320 | intel_runtime_pm_put(dev_priv); | |
5321 | ||
615d8908 | 5322 | i915_print_sseu_info(m, false, &sseu); |
7f992aba | 5323 | |
3873218f JM |
5324 | return 0; |
5325 | } | |
5326 | ||
6d794d42 BW |
5327 | static int i915_forcewake_open(struct inode *inode, struct file *file) |
5328 | { | |
36cdd013 | 5329 | struct drm_i915_private *dev_priv = inode->i_private; |
6d794d42 | 5330 | |
36cdd013 | 5331 | if (INTEL_GEN(dev_priv) < 6) |
6d794d42 BW |
5332 | return 0; |
5333 | ||
6daccb0b | 5334 | intel_runtime_pm_get(dev_priv); |
59bad947 | 5335 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
6d794d42 BW |
5336 | |
5337 | return 0; | |
5338 | } | |
5339 | ||
c43b5634 | 5340 | static int i915_forcewake_release(struct inode *inode, struct file *file) |
6d794d42 | 5341 | { |
36cdd013 | 5342 | struct drm_i915_private *dev_priv = inode->i_private; |
6d794d42 | 5343 | |
36cdd013 | 5344 | if (INTEL_GEN(dev_priv) < 6) |
6d794d42 BW |
5345 | return 0; |
5346 | ||
59bad947 | 5347 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
6daccb0b | 5348 | intel_runtime_pm_put(dev_priv); |
6d794d42 BW |
5349 | |
5350 | return 0; | |
5351 | } | |
5352 | ||
5353 | static const struct file_operations i915_forcewake_fops = { | |
5354 | .owner = THIS_MODULE, | |
5355 | .open = i915_forcewake_open, | |
5356 | .release = i915_forcewake_release, | |
5357 | }; | |
5358 | ||
5359 | static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor) | |
5360 | { | |
6d794d42 BW |
5361 | struct dentry *ent; |
5362 | ||
5363 | ent = debugfs_create_file("i915_forcewake_user", | |
8eb57294 | 5364 | S_IRUSR, |
36cdd013 | 5365 | root, to_i915(minor->dev), |
6d794d42 | 5366 | &i915_forcewake_fops); |
f3c5fe97 WY |
5367 | if (!ent) |
5368 | return -ENOMEM; | |
6d794d42 | 5369 | |
8eb57294 | 5370 | return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops); |
6d794d42 BW |
5371 | } |
5372 | ||
6a9c308d DV |
5373 | static int i915_debugfs_create(struct dentry *root, |
5374 | struct drm_minor *minor, | |
5375 | const char *name, | |
5376 | const struct file_operations *fops) | |
07b7ddd9 | 5377 | { |
07b7ddd9 JB |
5378 | struct dentry *ent; |
5379 | ||
6a9c308d | 5380 | ent = debugfs_create_file(name, |
07b7ddd9 | 5381 | S_IRUGO | S_IWUSR, |
36cdd013 | 5382 | root, to_i915(minor->dev), |
6a9c308d | 5383 | fops); |
f3c5fe97 WY |
5384 | if (!ent) |
5385 | return -ENOMEM; | |
07b7ddd9 | 5386 | |
6a9c308d | 5387 | return drm_add_fake_info_node(minor, ent, fops); |
07b7ddd9 JB |
5388 | } |
5389 | ||
06c5bf8c | 5390 | static const struct drm_info_list i915_debugfs_list[] = { |
311bd68e | 5391 | {"i915_capabilities", i915_capabilities, 0}, |
73aa808f | 5392 | {"i915_gem_objects", i915_gem_object_info, 0}, |
08c18323 | 5393 | {"i915_gem_gtt", i915_gem_gtt_info, 0}, |
6da84829 | 5394 | {"i915_gem_pin_display", i915_gem_gtt_info, 0, (void *)1}, |
6d2b8885 | 5395 | {"i915_gem_stolen", i915_gem_stolen_list_info }, |
4e5359cd | 5396 | {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, |
2017263e BG |
5397 | {"i915_gem_request", i915_gem_request_info, 0}, |
5398 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, | |
a6172a80 | 5399 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, |
2017263e | 5400 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
493018dc | 5401 | {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0}, |
8b417c26 | 5402 | {"i915_guc_info", i915_guc_info, 0}, |
fdf5d357 | 5403 | {"i915_guc_load_status", i915_guc_load_status_info, 0}, |
4c7e77fc | 5404 | {"i915_guc_log_dump", i915_guc_log_dump, 0}, |
adb4bd12 | 5405 | {"i915_frequency_info", i915_frequency_info, 0}, |
f654449a | 5406 | {"i915_hangcheck_info", i915_hangcheck_info, 0}, |
f97108d1 | 5407 | {"i915_drpc_info", i915_drpc_info, 0}, |
7648fa99 | 5408 | {"i915_emon_status", i915_emon_status, 0}, |
23b2f8bb | 5409 | {"i915_ring_freq_table", i915_ring_freq_table, 0}, |
9a851789 | 5410 | {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0}, |
b5e50c3f | 5411 | {"i915_fbc_status", i915_fbc_status, 0}, |
92d44621 | 5412 | {"i915_ips_status", i915_ips_status, 0}, |
4a9bef37 | 5413 | {"i915_sr_status", i915_sr_status, 0}, |
44834a67 | 5414 | {"i915_opregion", i915_opregion, 0}, |
ada8f955 | 5415 | {"i915_vbt", i915_vbt, 0}, |
37811fcc | 5416 | {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, |
e76d3630 | 5417 | {"i915_context_status", i915_context_status, 0}, |
c0ab1ae9 | 5418 | {"i915_dump_lrc", i915_dump_lrc, 0}, |
f65367b5 | 5419 | {"i915_forcewake_domains", i915_forcewake_domains, 0}, |
ea16a3cd | 5420 | {"i915_swizzle_info", i915_swizzle_info, 0}, |
3cf17fc5 | 5421 | {"i915_ppgtt_info", i915_ppgtt_info, 0}, |
63573eb7 | 5422 | {"i915_llc", i915_llc, 0}, |
e91fd8c6 | 5423 | {"i915_edp_psr_status", i915_edp_psr_status, 0}, |
d2e216d0 | 5424 | {"i915_sink_crc_eDP1", i915_sink_crc, 0}, |
ec013e7f | 5425 | {"i915_energy_uJ", i915_energy_uJ, 0}, |
6455c870 | 5426 | {"i915_runtime_pm_status", i915_runtime_pm_status, 0}, |
1da51581 | 5427 | {"i915_power_domain_info", i915_power_domain_info, 0}, |
b7cec66d | 5428 | {"i915_dmc_info", i915_dmc_info, 0}, |
53f5e3ca | 5429 | {"i915_display_info", i915_display_info, 0}, |
1b36595f | 5430 | {"i915_engine_info", i915_engine_info, 0}, |
e04934cf | 5431 | {"i915_semaphore_status", i915_semaphore_status, 0}, |
728e29d7 | 5432 | {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, |
11bed958 | 5433 | {"i915_dp_mst_info", i915_dp_mst_info, 0}, |
1ed1ef9d | 5434 | {"i915_wa_registers", i915_wa_registers, 0}, |
c5511e44 | 5435 | {"i915_ddb_info", i915_ddb_info, 0}, |
3873218f | 5436 | {"i915_sseu_status", i915_sseu_status, 0}, |
a54746e3 | 5437 | {"i915_drrs_status", i915_drrs_status, 0}, |
1854d5ca | 5438 | {"i915_rps_boost_info", i915_rps_boost_info, 0}, |
2017263e | 5439 | }; |
27c202ad | 5440 | #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |
2017263e | 5441 | |
06c5bf8c | 5442 | static const struct i915_debugfs_files { |
34b9674c DV |
5443 | const char *name; |
5444 | const struct file_operations *fops; | |
5445 | } i915_debugfs_files[] = { | |
5446 | {"i915_wedged", &i915_wedged_fops}, | |
5447 | {"i915_max_freq", &i915_max_freq_fops}, | |
5448 | {"i915_min_freq", &i915_min_freq_fops}, | |
5449 | {"i915_cache_sharing", &i915_cache_sharing_fops}, | |
094f9a54 CW |
5450 | {"i915_ring_missed_irq", &i915_ring_missed_irq_fops}, |
5451 | {"i915_ring_test_irq", &i915_ring_test_irq_fops}, | |
34b9674c | 5452 | {"i915_gem_drop_caches", &i915_drop_caches_fops}, |
98a2f411 | 5453 | #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) |
34b9674c | 5454 | {"i915_error_state", &i915_error_state_fops}, |
98a2f411 | 5455 | #endif |
34b9674c | 5456 | {"i915_next_seqno", &i915_next_seqno_fops}, |
bd9db02f | 5457 | {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, |
369a1342 VS |
5458 | {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, |
5459 | {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, | |
5460 | {"i915_cur_wm_latency", &i915_cur_wm_latency_fops}, | |
da46f936 | 5461 | {"i915_fbc_false_color", &i915_fbc_fc_fops}, |
eb3394fa TP |
5462 | {"i915_dp_test_data", &i915_displayport_test_data_fops}, |
5463 | {"i915_dp_test_type", &i915_displayport_test_type_fops}, | |
685534ef SAK |
5464 | {"i915_dp_test_active", &i915_displayport_test_active_fops}, |
5465 | {"i915_guc_log_control", &i915_guc_log_control_fops} | |
34b9674c DV |
5466 | }; |
5467 | ||
36cdd013 | 5468 | void intel_display_crc_init(struct drm_i915_private *dev_priv) |
07144428 | 5469 | { |
b378360e | 5470 | enum pipe pipe; |
07144428 | 5471 | |
055e393f | 5472 | for_each_pipe(dev_priv, pipe) { |
b378360e | 5473 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
07144428 | 5474 | |
d538bbdf DL |
5475 | pipe_crc->opened = false; |
5476 | spin_lock_init(&pipe_crc->lock); | |
07144428 DL |
5477 | init_waitqueue_head(&pipe_crc->wq); |
5478 | } | |
5479 | } | |
5480 | ||
1dac891c | 5481 | int i915_debugfs_register(struct drm_i915_private *dev_priv) |
2017263e | 5482 | { |
91c8a326 | 5483 | struct drm_minor *minor = dev_priv->drm.primary; |
34b9674c | 5484 | int ret, i; |
f3cd474b | 5485 | |
6d794d42 | 5486 | ret = i915_forcewake_create(minor->debugfs_root, minor); |
358733e9 JB |
5487 | if (ret) |
5488 | return ret; | |
6a9c308d | 5489 | |
07144428 DL |
5490 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
5491 | ret = i915_pipe_crc_create(minor->debugfs_root, minor, i); | |
5492 | if (ret) | |
5493 | return ret; | |
5494 | } | |
5495 | ||
34b9674c DV |
5496 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
5497 | ret = i915_debugfs_create(minor->debugfs_root, minor, | |
5498 | i915_debugfs_files[i].name, | |
5499 | i915_debugfs_files[i].fops); | |
5500 | if (ret) | |
5501 | return ret; | |
5502 | } | |
40633219 | 5503 | |
27c202ad BG |
5504 | return drm_debugfs_create_files(i915_debugfs_list, |
5505 | I915_DEBUGFS_ENTRIES, | |
2017263e BG |
5506 | minor->debugfs_root, minor); |
5507 | } | |
5508 | ||
1dac891c | 5509 | void i915_debugfs_unregister(struct drm_i915_private *dev_priv) |
2017263e | 5510 | { |
91c8a326 | 5511 | struct drm_minor *minor = dev_priv->drm.primary; |
34b9674c DV |
5512 | int i; |
5513 | ||
27c202ad BG |
5514 | drm_debugfs_remove_files(i915_debugfs_list, |
5515 | I915_DEBUGFS_ENTRIES, minor); | |
07144428 | 5516 | |
36cdd013 | 5517 | drm_debugfs_remove_files((struct drm_info_list *)&i915_forcewake_fops, |
6d794d42 | 5518 | 1, minor); |
07144428 | 5519 | |
e309a997 | 5520 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
07144428 DL |
5521 | struct drm_info_list *info_list = |
5522 | (struct drm_info_list *)&i915_pipe_crc_data[i]; | |
5523 | ||
5524 | drm_debugfs_remove_files(info_list, 1, minor); | |
5525 | } | |
5526 | ||
34b9674c DV |
5527 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
5528 | struct drm_info_list *info_list = | |
36cdd013 | 5529 | (struct drm_info_list *)i915_debugfs_files[i].fops; |
34b9674c DV |
5530 | |
5531 | drm_debugfs_remove_files(info_list, 1, minor); | |
5532 | } | |
2017263e | 5533 | } |
aa7471d2 JN |
5534 | |
5535 | struct dpcd_block { | |
5536 | /* DPCD dump start address. */ | |
5537 | unsigned int offset; | |
5538 | /* DPCD dump end address, inclusive. If unset, .size will be used. */ | |
5539 | unsigned int end; | |
5540 | /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */ | |
5541 | size_t size; | |
5542 | /* Only valid for eDP. */ | |
5543 | bool edp; | |
5544 | }; | |
5545 | ||
5546 | static const struct dpcd_block i915_dpcd_debug[] = { | |
5547 | { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE }, | |
5548 | { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS }, | |
5549 | { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 }, | |
5550 | { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET }, | |
5551 | { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 }, | |
5552 | { .offset = DP_SET_POWER }, | |
5553 | { .offset = DP_EDP_DPCD_REV }, | |
5554 | { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 }, | |
5555 | { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB }, | |
5556 | { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET }, | |
5557 | }; | |
5558 | ||
5559 | static int i915_dpcd_show(struct seq_file *m, void *data) | |
5560 | { | |
5561 | struct drm_connector *connector = m->private; | |
5562 | struct intel_dp *intel_dp = | |
5563 | enc_to_intel_dp(&intel_attached_encoder(connector)->base); | |
5564 | uint8_t buf[16]; | |
5565 | ssize_t err; | |
5566 | int i; | |
5567 | ||
5c1a8875 MK |
5568 | if (connector->status != connector_status_connected) |
5569 | return -ENODEV; | |
5570 | ||
aa7471d2 JN |
5571 | for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) { |
5572 | const struct dpcd_block *b = &i915_dpcd_debug[i]; | |
5573 | size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1); | |
5574 | ||
5575 | if (b->edp && | |
5576 | connector->connector_type != DRM_MODE_CONNECTOR_eDP) | |
5577 | continue; | |
5578 | ||
5579 | /* low tech for now */ | |
5580 | if (WARN_ON(size > sizeof(buf))) | |
5581 | continue; | |
5582 | ||
5583 | err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size); | |
5584 | if (err <= 0) { | |
5585 | DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n", | |
5586 | size, b->offset, err); | |
5587 | continue; | |
5588 | } | |
5589 | ||
5590 | seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf); | |
b3f9d7d7 | 5591 | } |
aa7471d2 JN |
5592 | |
5593 | return 0; | |
5594 | } | |
5595 | ||
5596 | static int i915_dpcd_open(struct inode *inode, struct file *file) | |
5597 | { | |
5598 | return single_open(file, i915_dpcd_show, inode->i_private); | |
5599 | } | |
5600 | ||
5601 | static const struct file_operations i915_dpcd_fops = { | |
5602 | .owner = THIS_MODULE, | |
5603 | .open = i915_dpcd_open, | |
5604 | .read = seq_read, | |
5605 | .llseek = seq_lseek, | |
5606 | .release = single_release, | |
5607 | }; | |
5608 | ||
ecbd6781 DW |
5609 | static int i915_panel_show(struct seq_file *m, void *data) |
5610 | { | |
5611 | struct drm_connector *connector = m->private; | |
5612 | struct intel_dp *intel_dp = | |
5613 | enc_to_intel_dp(&intel_attached_encoder(connector)->base); | |
5614 | ||
5615 | if (connector->status != connector_status_connected) | |
5616 | return -ENODEV; | |
5617 | ||
5618 | seq_printf(m, "Panel power up delay: %d\n", | |
5619 | intel_dp->panel_power_up_delay); | |
5620 | seq_printf(m, "Panel power down delay: %d\n", | |
5621 | intel_dp->panel_power_down_delay); | |
5622 | seq_printf(m, "Backlight on delay: %d\n", | |
5623 | intel_dp->backlight_on_delay); | |
5624 | seq_printf(m, "Backlight off delay: %d\n", | |
5625 | intel_dp->backlight_off_delay); | |
5626 | ||
5627 | return 0; | |
5628 | } | |
5629 | ||
5630 | static int i915_panel_open(struct inode *inode, struct file *file) | |
5631 | { | |
5632 | return single_open(file, i915_panel_show, inode->i_private); | |
5633 | } | |
5634 | ||
5635 | static const struct file_operations i915_panel_fops = { | |
5636 | .owner = THIS_MODULE, | |
5637 | .open = i915_panel_open, | |
5638 | .read = seq_read, | |
5639 | .llseek = seq_lseek, | |
5640 | .release = single_release, | |
5641 | }; | |
5642 | ||
aa7471d2 JN |
5643 | /** |
5644 | * i915_debugfs_connector_add - add i915 specific connector debugfs files | |
5645 | * @connector: pointer to a registered drm_connector | |
5646 | * | |
5647 | * Cleanup will be done by drm_connector_unregister() through a call to | |
5648 | * drm_debugfs_connector_remove(). | |
5649 | * | |
5650 | * Returns 0 on success, negative error codes on error. | |
5651 | */ | |
5652 | int i915_debugfs_connector_add(struct drm_connector *connector) | |
5653 | { | |
5654 | struct dentry *root = connector->debugfs_entry; | |
5655 | ||
5656 | /* The connector must have been registered beforehands. */ | |
5657 | if (!root) | |
5658 | return -ENODEV; | |
5659 | ||
5660 | if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || | |
5661 | connector->connector_type == DRM_MODE_CONNECTOR_eDP) | |
ecbd6781 DW |
5662 | debugfs_create_file("i915_dpcd", S_IRUGO, root, |
5663 | connector, &i915_dpcd_fops); | |
5664 | ||
5665 | if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) | |
5666 | debugfs_create_file("i915_panel_timings", S_IRUGO, root, | |
5667 | connector, &i915_panel_fops); | |
aa7471d2 JN |
5668 | |
5669 | return 0; | |
5670 | } |