Commit | Line | Data |
---|---|---|
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 | ||
f13d3f73 | 43 | enum { |
69dc4987 | 44 | ACTIVE_LIST, |
f13d3f73 | 45 | INACTIVE_LIST, |
d21d5975 | 46 | PINNED_LIST, |
f13d3f73 | 47 | }; |
2017263e | 48 | |
70d39fe4 CW |
49 | static const char *yesno(int v) |
50 | { | |
51 | return v ? "yes" : "no"; | |
52 | } | |
53 | ||
497666d8 DL |
54 | /* As the drm_debugfs_init() routines are called before dev->dev_private is |
55 | * allocated we need to hook into the minor for release. */ | |
56 | static int | |
57 | drm_add_fake_info_node(struct drm_minor *minor, | |
58 | struct dentry *ent, | |
59 | const void *key) | |
60 | { | |
61 | struct drm_info_node *node; | |
62 | ||
63 | node = kmalloc(sizeof(*node), GFP_KERNEL); | |
64 | if (node == NULL) { | |
65 | debugfs_remove(ent); | |
66 | return -ENOMEM; | |
67 | } | |
68 | ||
69 | node->minor = minor; | |
70 | node->dent = ent; | |
71 | node->info_ent = (void *) key; | |
72 | ||
73 | mutex_lock(&minor->debugfs_lock); | |
74 | list_add(&node->list, &minor->debugfs_list); | |
75 | mutex_unlock(&minor->debugfs_lock); | |
76 | ||
77 | return 0; | |
78 | } | |
79 | ||
70d39fe4 CW |
80 | static int i915_capabilities(struct seq_file *m, void *data) |
81 | { | |
9f25d007 | 82 | struct drm_info_node *node = m->private; |
70d39fe4 CW |
83 | struct drm_device *dev = node->minor->dev; |
84 | const struct intel_device_info *info = INTEL_INFO(dev); | |
85 | ||
86 | seq_printf(m, "gen: %d\n", info->gen); | |
03d00ac5 | 87 | seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev)); |
79fc46df DL |
88 | #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x)) |
89 | #define SEP_SEMICOLON ; | |
90 | DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG, SEP_SEMICOLON); | |
91 | #undef PRINT_FLAG | |
92 | #undef SEP_SEMICOLON | |
70d39fe4 CW |
93 | |
94 | return 0; | |
95 | } | |
2017263e | 96 | |
05394f39 | 97 | static const char *get_pin_flag(struct drm_i915_gem_object *obj) |
a6172a80 | 98 | { |
4feb7659 | 99 | if (i915_gem_obj_is_pinned(obj)) |
a6172a80 CW |
100 | return "p"; |
101 | else | |
102 | return " "; | |
103 | } | |
104 | ||
05394f39 | 105 | static const char *get_tiling_flag(struct drm_i915_gem_object *obj) |
a6172a80 | 106 | { |
0206e353 AJ |
107 | switch (obj->tiling_mode) { |
108 | default: | |
109 | case I915_TILING_NONE: return " "; | |
110 | case I915_TILING_X: return "X"; | |
111 | case I915_TILING_Y: return "Y"; | |
112 | } | |
a6172a80 CW |
113 | } |
114 | ||
1d693bcc BW |
115 | static inline const char *get_global_flag(struct drm_i915_gem_object *obj) |
116 | { | |
aff43766 | 117 | return i915_gem_obj_to_ggtt(obj) ? "g" : " "; |
1d693bcc BW |
118 | } |
119 | ||
37811fcc CW |
120 | static void |
121 | describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) | |
122 | { | |
1d693bcc | 123 | struct i915_vma *vma; |
d7f46fc4 BW |
124 | int pin_count = 0; |
125 | ||
fb1ae911 | 126 | seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s", |
37811fcc CW |
127 | &obj->base, |
128 | get_pin_flag(obj), | |
129 | get_tiling_flag(obj), | |
1d693bcc | 130 | get_global_flag(obj), |
a05a5862 | 131 | obj->base.size / 1024, |
37811fcc CW |
132 | obj->base.read_domains, |
133 | obj->base.write_domain, | |
0201f1ec CW |
134 | obj->last_read_seqno, |
135 | obj->last_write_seqno, | |
caea7476 | 136 | obj->last_fenced_seqno, |
0a4cd7c8 | 137 | i915_cache_level_str(to_i915(obj->base.dev), obj->cache_level), |
37811fcc CW |
138 | obj->dirty ? " dirty" : "", |
139 | obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); | |
140 | if (obj->base.name) | |
141 | seq_printf(m, " (name: %d)", obj->base.name); | |
d7f46fc4 BW |
142 | list_for_each_entry(vma, &obj->vma_list, vma_link) |
143 | if (vma->pin_count > 0) | |
144 | pin_count++; | |
145 | seq_printf(m, " (pinned x %d)", pin_count); | |
cc98b413 CW |
146 | if (obj->pin_display) |
147 | seq_printf(m, " (display)"); | |
37811fcc CW |
148 | if (obj->fence_reg != I915_FENCE_REG_NONE) |
149 | seq_printf(m, " (fence: %d)", obj->fence_reg); | |
1d693bcc BW |
150 | list_for_each_entry(vma, &obj->vma_list, vma_link) { |
151 | if (!i915_is_ggtt(vma->vm)) | |
152 | seq_puts(m, " (pp"); | |
153 | else | |
154 | seq_puts(m, " (g"); | |
155 | seq_printf(m, "gtt offset: %08lx, size: %08lx)", | |
156 | vma->node.start, vma->node.size); | |
157 | } | |
c1ad11fc CW |
158 | if (obj->stolen) |
159 | seq_printf(m, " (stolen: %08lx)", obj->stolen->start); | |
6299f992 CW |
160 | if (obj->pin_mappable || obj->fault_mappable) { |
161 | char s[3], *t = s; | |
162 | if (obj->pin_mappable) | |
163 | *t++ = 'p'; | |
164 | if (obj->fault_mappable) | |
165 | *t++ = 'f'; | |
166 | *t = '\0'; | |
167 | seq_printf(m, " (%s mappable)", s); | |
168 | } | |
69dc4987 CW |
169 | if (obj->ring != NULL) |
170 | seq_printf(m, " (%s)", obj->ring->name); | |
d5a81ef1 DV |
171 | if (obj->frontbuffer_bits) |
172 | seq_printf(m, " (frontbuffer: 0x%03x)", obj->frontbuffer_bits); | |
37811fcc CW |
173 | } |
174 | ||
273497e5 | 175 | static void describe_ctx(struct seq_file *m, struct intel_context *ctx) |
3ccfd19d | 176 | { |
ea0c76f8 | 177 | seq_putc(m, ctx->legacy_hw_ctx.initialized ? 'I' : 'i'); |
3ccfd19d BW |
178 | seq_putc(m, ctx->remap_slice ? 'R' : 'r'); |
179 | seq_putc(m, ' '); | |
180 | } | |
181 | ||
433e12f7 | 182 | static int i915_gem_object_list_info(struct seq_file *m, void *data) |
2017263e | 183 | { |
9f25d007 | 184 | struct drm_info_node *node = m->private; |
433e12f7 BG |
185 | uintptr_t list = (uintptr_t) node->info_ent->data; |
186 | struct list_head *head; | |
2017263e | 187 | struct drm_device *dev = node->minor->dev; |
5cef07e1 BW |
188 | struct drm_i915_private *dev_priv = dev->dev_private; |
189 | struct i915_address_space *vm = &dev_priv->gtt.base; | |
ca191b13 | 190 | struct i915_vma *vma; |
8f2480fb CW |
191 | size_t total_obj_size, total_gtt_size; |
192 | int count, ret; | |
de227ef0 CW |
193 | |
194 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
195 | if (ret) | |
196 | return ret; | |
2017263e | 197 | |
ca191b13 | 198 | /* FIXME: the user of this interface might want more than just GGTT */ |
433e12f7 BG |
199 | switch (list) { |
200 | case ACTIVE_LIST: | |
267f0c90 | 201 | seq_puts(m, "Active:\n"); |
5cef07e1 | 202 | head = &vm->active_list; |
433e12f7 BG |
203 | break; |
204 | case INACTIVE_LIST: | |
267f0c90 | 205 | seq_puts(m, "Inactive:\n"); |
5cef07e1 | 206 | head = &vm->inactive_list; |
433e12f7 | 207 | break; |
433e12f7 | 208 | default: |
de227ef0 CW |
209 | mutex_unlock(&dev->struct_mutex); |
210 | return -EINVAL; | |
2017263e | 211 | } |
2017263e | 212 | |
8f2480fb | 213 | total_obj_size = total_gtt_size = count = 0; |
ca191b13 BW |
214 | list_for_each_entry(vma, head, mm_list) { |
215 | seq_printf(m, " "); | |
216 | describe_obj(m, vma->obj); | |
217 | seq_printf(m, "\n"); | |
218 | total_obj_size += vma->obj->base.size; | |
219 | total_gtt_size += vma->node.size; | |
8f2480fb | 220 | count++; |
2017263e | 221 | } |
de227ef0 | 222 | mutex_unlock(&dev->struct_mutex); |
5e118f41 | 223 | |
8f2480fb CW |
224 | seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", |
225 | count, total_obj_size, total_gtt_size); | |
2017263e BG |
226 | return 0; |
227 | } | |
228 | ||
6d2b8885 CW |
229 | static int obj_rank_by_stolen(void *priv, |
230 | struct list_head *A, struct list_head *B) | |
231 | { | |
232 | struct drm_i915_gem_object *a = | |
b25cb2f8 | 233 | container_of(A, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 | 234 | struct drm_i915_gem_object *b = |
b25cb2f8 | 235 | container_of(B, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 CW |
236 | |
237 | return a->stolen->start - b->stolen->start; | |
238 | } | |
239 | ||
240 | static int i915_gem_stolen_list_info(struct seq_file *m, void *data) | |
241 | { | |
9f25d007 | 242 | struct drm_info_node *node = m->private; |
6d2b8885 CW |
243 | struct drm_device *dev = node->minor->dev; |
244 | struct drm_i915_private *dev_priv = dev->dev_private; | |
245 | struct drm_i915_gem_object *obj; | |
246 | size_t total_obj_size, total_gtt_size; | |
247 | LIST_HEAD(stolen); | |
248 | int count, ret; | |
249 | ||
250 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
251 | if (ret) | |
252 | return ret; | |
253 | ||
254 | total_obj_size = total_gtt_size = count = 0; | |
255 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { | |
256 | if (obj->stolen == NULL) | |
257 | continue; | |
258 | ||
b25cb2f8 | 259 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
260 | |
261 | total_obj_size += obj->base.size; | |
262 | total_gtt_size += i915_gem_obj_ggtt_size(obj); | |
263 | count++; | |
264 | } | |
265 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { | |
266 | if (obj->stolen == NULL) | |
267 | continue; | |
268 | ||
b25cb2f8 | 269 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
270 | |
271 | total_obj_size += obj->base.size; | |
272 | count++; | |
273 | } | |
274 | list_sort(NULL, &stolen, obj_rank_by_stolen); | |
275 | seq_puts(m, "Stolen:\n"); | |
276 | while (!list_empty(&stolen)) { | |
b25cb2f8 | 277 | obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link); |
6d2b8885 CW |
278 | seq_puts(m, " "); |
279 | describe_obj(m, obj); | |
280 | seq_putc(m, '\n'); | |
b25cb2f8 | 281 | list_del_init(&obj->obj_exec_link); |
6d2b8885 CW |
282 | } |
283 | mutex_unlock(&dev->struct_mutex); | |
284 | ||
285 | seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", | |
286 | count, total_obj_size, total_gtt_size); | |
287 | return 0; | |
288 | } | |
289 | ||
6299f992 CW |
290 | #define count_objects(list, member) do { \ |
291 | list_for_each_entry(obj, list, member) { \ | |
f343c5f6 | 292 | size += i915_gem_obj_ggtt_size(obj); \ |
6299f992 CW |
293 | ++count; \ |
294 | if (obj->map_and_fenceable) { \ | |
f343c5f6 | 295 | mappable_size += i915_gem_obj_ggtt_size(obj); \ |
6299f992 CW |
296 | ++mappable_count; \ |
297 | } \ | |
298 | } \ | |
0206e353 | 299 | } while (0) |
6299f992 | 300 | |
2db8e9d6 | 301 | struct file_stats { |
6313c204 | 302 | struct drm_i915_file_private *file_priv; |
2db8e9d6 | 303 | int count; |
c67a17e9 CW |
304 | size_t total, unbound; |
305 | size_t global, shared; | |
306 | size_t active, inactive; | |
2db8e9d6 CW |
307 | }; |
308 | ||
309 | static int per_file_stats(int id, void *ptr, void *data) | |
310 | { | |
311 | struct drm_i915_gem_object *obj = ptr; | |
312 | struct file_stats *stats = data; | |
6313c204 | 313 | struct i915_vma *vma; |
2db8e9d6 CW |
314 | |
315 | stats->count++; | |
316 | stats->total += obj->base.size; | |
317 | ||
c67a17e9 CW |
318 | if (obj->base.name || obj->base.dma_buf) |
319 | stats->shared += obj->base.size; | |
320 | ||
6313c204 CW |
321 | if (USES_FULL_PPGTT(obj->base.dev)) { |
322 | list_for_each_entry(vma, &obj->vma_list, vma_link) { | |
323 | struct i915_hw_ppgtt *ppgtt; | |
324 | ||
325 | if (!drm_mm_node_allocated(&vma->node)) | |
326 | continue; | |
327 | ||
328 | if (i915_is_ggtt(vma->vm)) { | |
329 | stats->global += obj->base.size; | |
330 | continue; | |
331 | } | |
332 | ||
333 | ppgtt = container_of(vma->vm, struct i915_hw_ppgtt, base); | |
4d884705 | 334 | if (ppgtt->file_priv != stats->file_priv) |
6313c204 CW |
335 | continue; |
336 | ||
337 | if (obj->ring) /* XXX per-vma statistic */ | |
338 | stats->active += obj->base.size; | |
339 | else | |
340 | stats->inactive += obj->base.size; | |
341 | ||
342 | return 0; | |
343 | } | |
2db8e9d6 | 344 | } else { |
6313c204 CW |
345 | if (i915_gem_obj_ggtt_bound(obj)) { |
346 | stats->global += obj->base.size; | |
347 | if (obj->ring) | |
348 | stats->active += obj->base.size; | |
349 | else | |
350 | stats->inactive += obj->base.size; | |
351 | return 0; | |
352 | } | |
2db8e9d6 CW |
353 | } |
354 | ||
6313c204 CW |
355 | if (!list_empty(&obj->global_list)) |
356 | stats->unbound += obj->base.size; | |
357 | ||
2db8e9d6 CW |
358 | return 0; |
359 | } | |
360 | ||
ca191b13 BW |
361 | #define count_vmas(list, member) do { \ |
362 | list_for_each_entry(vma, list, member) { \ | |
363 | size += i915_gem_obj_ggtt_size(vma->obj); \ | |
364 | ++count; \ | |
365 | if (vma->obj->map_and_fenceable) { \ | |
366 | mappable_size += i915_gem_obj_ggtt_size(vma->obj); \ | |
367 | ++mappable_count; \ | |
368 | } \ | |
369 | } \ | |
370 | } while (0) | |
371 | ||
372 | static int i915_gem_object_info(struct seq_file *m, void* data) | |
73aa808f | 373 | { |
9f25d007 | 374 | struct drm_info_node *node = m->private; |
73aa808f CW |
375 | struct drm_device *dev = node->minor->dev; |
376 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b7abb714 CW |
377 | u32 count, mappable_count, purgeable_count; |
378 | size_t size, mappable_size, purgeable_size; | |
6299f992 | 379 | struct drm_i915_gem_object *obj; |
5cef07e1 | 380 | struct i915_address_space *vm = &dev_priv->gtt.base; |
2db8e9d6 | 381 | struct drm_file *file; |
ca191b13 | 382 | struct i915_vma *vma; |
73aa808f CW |
383 | int ret; |
384 | ||
385 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
386 | if (ret) | |
387 | return ret; | |
388 | ||
6299f992 CW |
389 | seq_printf(m, "%u objects, %zu bytes\n", |
390 | dev_priv->mm.object_count, | |
391 | dev_priv->mm.object_memory); | |
392 | ||
393 | size = count = mappable_size = mappable_count = 0; | |
35c20a60 | 394 | count_objects(&dev_priv->mm.bound_list, global_list); |
6299f992 CW |
395 | seq_printf(m, "%u [%u] objects, %zu [%zu] bytes in gtt\n", |
396 | count, mappable_count, size, mappable_size); | |
397 | ||
398 | size = count = mappable_size = mappable_count = 0; | |
ca191b13 | 399 | count_vmas(&vm->active_list, mm_list); |
6299f992 CW |
400 | seq_printf(m, " %u [%u] active objects, %zu [%zu] bytes\n", |
401 | count, mappable_count, size, mappable_size); | |
402 | ||
6299f992 | 403 | size = count = mappable_size = mappable_count = 0; |
ca191b13 | 404 | count_vmas(&vm->inactive_list, mm_list); |
6299f992 CW |
405 | seq_printf(m, " %u [%u] inactive objects, %zu [%zu] bytes\n", |
406 | count, mappable_count, size, mappable_size); | |
407 | ||
b7abb714 | 408 | size = count = purgeable_size = purgeable_count = 0; |
35c20a60 | 409 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { |
6c085a72 | 410 | size += obj->base.size, ++count; |
b7abb714 CW |
411 | if (obj->madv == I915_MADV_DONTNEED) |
412 | purgeable_size += obj->base.size, ++purgeable_count; | |
413 | } | |
6c085a72 CW |
414 | seq_printf(m, "%u unbound objects, %zu bytes\n", count, size); |
415 | ||
6299f992 | 416 | size = count = mappable_size = mappable_count = 0; |
35c20a60 | 417 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
6299f992 | 418 | if (obj->fault_mappable) { |
f343c5f6 | 419 | size += i915_gem_obj_ggtt_size(obj); |
6299f992 CW |
420 | ++count; |
421 | } | |
422 | if (obj->pin_mappable) { | |
f343c5f6 | 423 | mappable_size += i915_gem_obj_ggtt_size(obj); |
6299f992 CW |
424 | ++mappable_count; |
425 | } | |
b7abb714 CW |
426 | if (obj->madv == I915_MADV_DONTNEED) { |
427 | purgeable_size += obj->base.size; | |
428 | ++purgeable_count; | |
429 | } | |
6299f992 | 430 | } |
b7abb714 CW |
431 | seq_printf(m, "%u purgeable objects, %zu bytes\n", |
432 | purgeable_count, purgeable_size); | |
6299f992 CW |
433 | seq_printf(m, "%u pinned mappable objects, %zu bytes\n", |
434 | mappable_count, mappable_size); | |
435 | seq_printf(m, "%u fault mappable objects, %zu bytes\n", | |
436 | count, size); | |
437 | ||
93d18799 | 438 | seq_printf(m, "%zu [%lu] gtt total\n", |
853ba5d2 BW |
439 | dev_priv->gtt.base.total, |
440 | dev_priv->gtt.mappable_end - dev_priv->gtt.base.start); | |
73aa808f | 441 | |
267f0c90 | 442 | seq_putc(m, '\n'); |
2db8e9d6 CW |
443 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
444 | struct file_stats stats; | |
3ec2f427 | 445 | struct task_struct *task; |
2db8e9d6 CW |
446 | |
447 | memset(&stats, 0, sizeof(stats)); | |
6313c204 | 448 | stats.file_priv = file->driver_priv; |
5b5ffff0 | 449 | spin_lock(&file->table_lock); |
2db8e9d6 | 450 | idr_for_each(&file->object_idr, per_file_stats, &stats); |
5b5ffff0 | 451 | spin_unlock(&file->table_lock); |
3ec2f427 TH |
452 | /* |
453 | * Although we have a valid reference on file->pid, that does | |
454 | * not guarantee that the task_struct who called get_pid() is | |
455 | * still alive (e.g. get_pid(current) => fork() => exit()). | |
456 | * Therefore, we need to protect this ->comm access using RCU. | |
457 | */ | |
458 | rcu_read_lock(); | |
459 | task = pid_task(file->pid, PIDTYPE_PID); | |
c67a17e9 | 460 | seq_printf(m, "%s: %u objects, %zu bytes (%zu active, %zu inactive, %zu global, %zu shared, %zu unbound)\n", |
3ec2f427 | 461 | task ? task->comm : "<unknown>", |
2db8e9d6 CW |
462 | stats.count, |
463 | stats.total, | |
464 | stats.active, | |
465 | stats.inactive, | |
6313c204 | 466 | stats.global, |
c67a17e9 | 467 | stats.shared, |
2db8e9d6 | 468 | stats.unbound); |
3ec2f427 | 469 | rcu_read_unlock(); |
2db8e9d6 CW |
470 | } |
471 | ||
73aa808f CW |
472 | mutex_unlock(&dev->struct_mutex); |
473 | ||
474 | return 0; | |
475 | } | |
476 | ||
aee56cff | 477 | static int i915_gem_gtt_info(struct seq_file *m, void *data) |
08c18323 | 478 | { |
9f25d007 | 479 | struct drm_info_node *node = m->private; |
08c18323 | 480 | struct drm_device *dev = node->minor->dev; |
1b50247a | 481 | uintptr_t list = (uintptr_t) node->info_ent->data; |
08c18323 CW |
482 | struct drm_i915_private *dev_priv = dev->dev_private; |
483 | struct drm_i915_gem_object *obj; | |
484 | size_t total_obj_size, total_gtt_size; | |
485 | int count, ret; | |
486 | ||
487 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
488 | if (ret) | |
489 | return ret; | |
490 | ||
491 | total_obj_size = total_gtt_size = count = 0; | |
35c20a60 | 492 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
d7f46fc4 | 493 | if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj)) |
1b50247a CW |
494 | continue; |
495 | ||
267f0c90 | 496 | seq_puts(m, " "); |
08c18323 | 497 | describe_obj(m, obj); |
267f0c90 | 498 | seq_putc(m, '\n'); |
08c18323 | 499 | total_obj_size += obj->base.size; |
f343c5f6 | 500 | total_gtt_size += i915_gem_obj_ggtt_size(obj); |
08c18323 CW |
501 | count++; |
502 | } | |
503 | ||
504 | mutex_unlock(&dev->struct_mutex); | |
505 | ||
506 | seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", | |
507 | count, total_obj_size, total_gtt_size); | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
4e5359cd SF |
512 | static int i915_gem_pageflip_info(struct seq_file *m, void *data) |
513 | { | |
9f25d007 | 514 | struct drm_info_node *node = m->private; |
4e5359cd | 515 | struct drm_device *dev = node->minor->dev; |
d6bbafa1 | 516 | struct drm_i915_private *dev_priv = dev->dev_private; |
4e5359cd | 517 | struct intel_crtc *crtc; |
8a270ebf DV |
518 | int ret; |
519 | ||
520 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
521 | if (ret) | |
522 | return ret; | |
4e5359cd | 523 | |
d3fcc808 | 524 | for_each_intel_crtc(dev, crtc) { |
9db4a9c7 JB |
525 | const char pipe = pipe_name(crtc->pipe); |
526 | const char plane = plane_name(crtc->plane); | |
4e5359cd SF |
527 | struct intel_unpin_work *work; |
528 | ||
5e2d7afc | 529 | spin_lock_irq(&dev->event_lock); |
4e5359cd SF |
530 | work = crtc->unpin_work; |
531 | if (work == NULL) { | |
9db4a9c7 | 532 | seq_printf(m, "No flip due on pipe %c (plane %c)\n", |
4e5359cd SF |
533 | pipe, plane); |
534 | } else { | |
d6bbafa1 CW |
535 | u32 addr; |
536 | ||
e7d841ca | 537 | if (atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { |
9db4a9c7 | 538 | seq_printf(m, "Flip queued on pipe %c (plane %c)\n", |
4e5359cd SF |
539 | pipe, plane); |
540 | } else { | |
9db4a9c7 | 541 | seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n", |
4e5359cd SF |
542 | pipe, plane); |
543 | } | |
d6bbafa1 CW |
544 | if (work->flip_queued_ring) { |
545 | seq_printf(m, "Flip queued on %s at seqno %u, next seqno %u [current breadcrumb %u], completed? %d\n", | |
546 | work->flip_queued_ring->name, | |
547 | work->flip_queued_seqno, | |
548 | dev_priv->next_seqno, | |
549 | work->flip_queued_ring->get_seqno(work->flip_queued_ring, true), | |
550 | i915_seqno_passed(work->flip_queued_ring->get_seqno(work->flip_queued_ring, true), | |
551 | work->flip_queued_seqno)); | |
552 | } else | |
553 | seq_printf(m, "Flip not associated with any ring\n"); | |
554 | seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n", | |
555 | work->flip_queued_vblank, | |
556 | work->flip_ready_vblank, | |
557 | drm_vblank_count(dev, crtc->pipe)); | |
4e5359cd | 558 | if (work->enable_stall_check) |
267f0c90 | 559 | seq_puts(m, "Stall check enabled, "); |
4e5359cd | 560 | else |
267f0c90 | 561 | seq_puts(m, "Stall check waiting for page flip ioctl, "); |
e7d841ca | 562 | seq_printf(m, "%d prepares\n", atomic_read(&work->pending)); |
4e5359cd | 563 | |
d6bbafa1 CW |
564 | if (INTEL_INFO(dev)->gen >= 4) |
565 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane))); | |
566 | else | |
567 | addr = I915_READ(DSPADDR(crtc->plane)); | |
568 | seq_printf(m, "Current scanout address 0x%08x\n", addr); | |
569 | ||
4e5359cd | 570 | if (work->pending_flip_obj) { |
d6bbafa1 CW |
571 | seq_printf(m, "New framebuffer address 0x%08lx\n", (long)work->gtt_offset); |
572 | seq_printf(m, "MMIO update completed? %d\n", addr == work->gtt_offset); | |
4e5359cd SF |
573 | } |
574 | } | |
5e2d7afc | 575 | spin_unlock_irq(&dev->event_lock); |
4e5359cd SF |
576 | } |
577 | ||
8a270ebf DV |
578 | mutex_unlock(&dev->struct_mutex); |
579 | ||
4e5359cd SF |
580 | return 0; |
581 | } | |
582 | ||
2017263e BG |
583 | static int i915_gem_request_info(struct seq_file *m, void *data) |
584 | { | |
9f25d007 | 585 | struct drm_info_node *node = m->private; |
2017263e | 586 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 587 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 588 | struct intel_engine_cs *ring; |
2017263e | 589 | struct drm_i915_gem_request *gem_request; |
a2c7f6fd | 590 | int ret, count, i; |
de227ef0 CW |
591 | |
592 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
593 | if (ret) | |
594 | return ret; | |
2017263e | 595 | |
c2c347a9 | 596 | count = 0; |
a2c7f6fd CW |
597 | for_each_ring(ring, dev_priv, i) { |
598 | if (list_empty(&ring->request_list)) | |
599 | continue; | |
600 | ||
601 | seq_printf(m, "%s requests:\n", ring->name); | |
c2c347a9 | 602 | list_for_each_entry(gem_request, |
a2c7f6fd | 603 | &ring->request_list, |
c2c347a9 CW |
604 | list) { |
605 | seq_printf(m, " %d @ %d\n", | |
606 | gem_request->seqno, | |
607 | (int) (jiffies - gem_request->emitted_jiffies)); | |
608 | } | |
609 | count++; | |
2017263e | 610 | } |
de227ef0 CW |
611 | mutex_unlock(&dev->struct_mutex); |
612 | ||
c2c347a9 | 613 | if (count == 0) |
267f0c90 | 614 | seq_puts(m, "No requests\n"); |
c2c347a9 | 615 | |
2017263e BG |
616 | return 0; |
617 | } | |
618 | ||
b2223497 | 619 | static void i915_ring_seqno_info(struct seq_file *m, |
a4872ba6 | 620 | struct intel_engine_cs *ring) |
b2223497 CW |
621 | { |
622 | if (ring->get_seqno) { | |
43a7b924 | 623 | seq_printf(m, "Current sequence (%s): %u\n", |
b2eadbc8 | 624 | ring->name, ring->get_seqno(ring, false)); |
b2223497 CW |
625 | } |
626 | } | |
627 | ||
2017263e BG |
628 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
629 | { | |
9f25d007 | 630 | struct drm_info_node *node = m->private; |
2017263e | 631 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 632 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 633 | struct intel_engine_cs *ring; |
1ec14ad3 | 634 | int ret, i; |
de227ef0 CW |
635 | |
636 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
637 | if (ret) | |
638 | return ret; | |
c8c8fb33 | 639 | intel_runtime_pm_get(dev_priv); |
2017263e | 640 | |
a2c7f6fd CW |
641 | for_each_ring(ring, dev_priv, i) |
642 | i915_ring_seqno_info(m, ring); | |
de227ef0 | 643 | |
c8c8fb33 | 644 | intel_runtime_pm_put(dev_priv); |
de227ef0 CW |
645 | mutex_unlock(&dev->struct_mutex); |
646 | ||
2017263e BG |
647 | return 0; |
648 | } | |
649 | ||
650 | ||
651 | static int i915_interrupt_info(struct seq_file *m, void *data) | |
652 | { | |
9f25d007 | 653 | struct drm_info_node *node = m->private; |
2017263e | 654 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 655 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 656 | struct intel_engine_cs *ring; |
9db4a9c7 | 657 | int ret, i, pipe; |
de227ef0 CW |
658 | |
659 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
660 | if (ret) | |
661 | return ret; | |
c8c8fb33 | 662 | intel_runtime_pm_get(dev_priv); |
2017263e | 663 | |
74e1ca8c | 664 | if (IS_CHERRYVIEW(dev)) { |
74e1ca8c VS |
665 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
666 | I915_READ(GEN8_MASTER_IRQ)); | |
667 | ||
668 | seq_printf(m, "Display IER:\t%08x\n", | |
669 | I915_READ(VLV_IER)); | |
670 | seq_printf(m, "Display IIR:\t%08x\n", | |
671 | I915_READ(VLV_IIR)); | |
672 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
673 | I915_READ(VLV_IIR_RW)); | |
674 | seq_printf(m, "Display IMR:\t%08x\n", | |
675 | I915_READ(VLV_IMR)); | |
055e393f | 676 | for_each_pipe(dev_priv, pipe) |
74e1ca8c VS |
677 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
678 | pipe_name(pipe), | |
679 | I915_READ(PIPESTAT(pipe))); | |
680 | ||
681 | seq_printf(m, "Port hotplug:\t%08x\n", | |
682 | I915_READ(PORT_HOTPLUG_EN)); | |
683 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
684 | I915_READ(VLV_DPFLIPSTAT)); | |
685 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
686 | I915_READ(DPINVGTT)); | |
687 | ||
688 | for (i = 0; i < 4; i++) { | |
689 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
690 | i, I915_READ(GEN8_GT_IMR(i))); | |
691 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
692 | i, I915_READ(GEN8_GT_IIR(i))); | |
693 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
694 | i, I915_READ(GEN8_GT_IER(i))); | |
695 | } | |
696 | ||
697 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
698 | I915_READ(GEN8_PCU_IMR)); | |
699 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
700 | I915_READ(GEN8_PCU_IIR)); | |
701 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
702 | I915_READ(GEN8_PCU_IER)); | |
703 | } else if (INTEL_INFO(dev)->gen >= 8) { | |
a123f157 BW |
704 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
705 | I915_READ(GEN8_MASTER_IRQ)); | |
706 | ||
707 | for (i = 0; i < 4; i++) { | |
708 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
709 | i, I915_READ(GEN8_GT_IMR(i))); | |
710 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
711 | i, I915_READ(GEN8_GT_IIR(i))); | |
712 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
713 | i, I915_READ(GEN8_GT_IER(i))); | |
714 | } | |
715 | ||
055e393f | 716 | for_each_pipe(dev_priv, pipe) { |
f458ebbc | 717 | if (!intel_display_power_is_enabled(dev_priv, |
22c59960 PZ |
718 | POWER_DOMAIN_PIPE(pipe))) { |
719 | seq_printf(m, "Pipe %c power disabled\n", | |
720 | pipe_name(pipe)); | |
721 | continue; | |
722 | } | |
a123f157 | 723 | seq_printf(m, "Pipe %c IMR:\t%08x\n", |
07d27e20 DL |
724 | pipe_name(pipe), |
725 | I915_READ(GEN8_DE_PIPE_IMR(pipe))); | |
a123f157 | 726 | seq_printf(m, "Pipe %c IIR:\t%08x\n", |
07d27e20 DL |
727 | pipe_name(pipe), |
728 | I915_READ(GEN8_DE_PIPE_IIR(pipe))); | |
a123f157 | 729 | seq_printf(m, "Pipe %c IER:\t%08x\n", |
07d27e20 DL |
730 | pipe_name(pipe), |
731 | I915_READ(GEN8_DE_PIPE_IER(pipe))); | |
a123f157 BW |
732 | } |
733 | ||
734 | seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", | |
735 | I915_READ(GEN8_DE_PORT_IMR)); | |
736 | seq_printf(m, "Display Engine port interrupt identity:\t%08x\n", | |
737 | I915_READ(GEN8_DE_PORT_IIR)); | |
738 | seq_printf(m, "Display Engine port interrupt enable:\t%08x\n", | |
739 | I915_READ(GEN8_DE_PORT_IER)); | |
740 | ||
741 | seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n", | |
742 | I915_READ(GEN8_DE_MISC_IMR)); | |
743 | seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n", | |
744 | I915_READ(GEN8_DE_MISC_IIR)); | |
745 | seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n", | |
746 | I915_READ(GEN8_DE_MISC_IER)); | |
747 | ||
748 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
749 | I915_READ(GEN8_PCU_IMR)); | |
750 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
751 | I915_READ(GEN8_PCU_IIR)); | |
752 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
753 | I915_READ(GEN8_PCU_IER)); | |
754 | } else if (IS_VALLEYVIEW(dev)) { | |
7e231dbe JB |
755 | seq_printf(m, "Display IER:\t%08x\n", |
756 | I915_READ(VLV_IER)); | |
757 | seq_printf(m, "Display IIR:\t%08x\n", | |
758 | I915_READ(VLV_IIR)); | |
759 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
760 | I915_READ(VLV_IIR_RW)); | |
761 | seq_printf(m, "Display IMR:\t%08x\n", | |
762 | I915_READ(VLV_IMR)); | |
055e393f | 763 | for_each_pipe(dev_priv, pipe) |
7e231dbe JB |
764 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
765 | pipe_name(pipe), | |
766 | I915_READ(PIPESTAT(pipe))); | |
767 | ||
768 | seq_printf(m, "Master IER:\t%08x\n", | |
769 | I915_READ(VLV_MASTER_IER)); | |
770 | ||
771 | seq_printf(m, "Render IER:\t%08x\n", | |
772 | I915_READ(GTIER)); | |
773 | seq_printf(m, "Render IIR:\t%08x\n", | |
774 | I915_READ(GTIIR)); | |
775 | seq_printf(m, "Render IMR:\t%08x\n", | |
776 | I915_READ(GTIMR)); | |
777 | ||
778 | seq_printf(m, "PM IER:\t\t%08x\n", | |
779 | I915_READ(GEN6_PMIER)); | |
780 | seq_printf(m, "PM IIR:\t\t%08x\n", | |
781 | I915_READ(GEN6_PMIIR)); | |
782 | seq_printf(m, "PM IMR:\t\t%08x\n", | |
783 | I915_READ(GEN6_PMIMR)); | |
784 | ||
785 | seq_printf(m, "Port hotplug:\t%08x\n", | |
786 | I915_READ(PORT_HOTPLUG_EN)); | |
787 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
788 | I915_READ(VLV_DPFLIPSTAT)); | |
789 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
790 | I915_READ(DPINVGTT)); | |
791 | ||
792 | } else if (!HAS_PCH_SPLIT(dev)) { | |
5f6a1695 ZW |
793 | seq_printf(m, "Interrupt enable: %08x\n", |
794 | I915_READ(IER)); | |
795 | seq_printf(m, "Interrupt identity: %08x\n", | |
796 | I915_READ(IIR)); | |
797 | seq_printf(m, "Interrupt mask: %08x\n", | |
798 | I915_READ(IMR)); | |
055e393f | 799 | for_each_pipe(dev_priv, pipe) |
9db4a9c7 JB |
800 | seq_printf(m, "Pipe %c stat: %08x\n", |
801 | pipe_name(pipe), | |
802 | I915_READ(PIPESTAT(pipe))); | |
5f6a1695 ZW |
803 | } else { |
804 | seq_printf(m, "North Display Interrupt enable: %08x\n", | |
805 | I915_READ(DEIER)); | |
806 | seq_printf(m, "North Display Interrupt identity: %08x\n", | |
807 | I915_READ(DEIIR)); | |
808 | seq_printf(m, "North Display Interrupt mask: %08x\n", | |
809 | I915_READ(DEIMR)); | |
810 | seq_printf(m, "South Display Interrupt enable: %08x\n", | |
811 | I915_READ(SDEIER)); | |
812 | seq_printf(m, "South Display Interrupt identity: %08x\n", | |
813 | I915_READ(SDEIIR)); | |
814 | seq_printf(m, "South Display Interrupt mask: %08x\n", | |
815 | I915_READ(SDEIMR)); | |
816 | seq_printf(m, "Graphics Interrupt enable: %08x\n", | |
817 | I915_READ(GTIER)); | |
818 | seq_printf(m, "Graphics Interrupt identity: %08x\n", | |
819 | I915_READ(GTIIR)); | |
820 | seq_printf(m, "Graphics Interrupt mask: %08x\n", | |
821 | I915_READ(GTIMR)); | |
822 | } | |
a2c7f6fd | 823 | for_each_ring(ring, dev_priv, i) { |
a123f157 | 824 | if (INTEL_INFO(dev)->gen >= 6) { |
a2c7f6fd CW |
825 | seq_printf(m, |
826 | "Graphics Interrupt mask (%s): %08x\n", | |
827 | ring->name, I915_READ_IMR(ring)); | |
9862e600 | 828 | } |
a2c7f6fd | 829 | i915_ring_seqno_info(m, ring); |
9862e600 | 830 | } |
c8c8fb33 | 831 | intel_runtime_pm_put(dev_priv); |
de227ef0 CW |
832 | mutex_unlock(&dev->struct_mutex); |
833 | ||
2017263e BG |
834 | return 0; |
835 | } | |
836 | ||
a6172a80 CW |
837 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) |
838 | { | |
9f25d007 | 839 | struct drm_info_node *node = m->private; |
a6172a80 | 840 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 841 | struct drm_i915_private *dev_priv = dev->dev_private; |
de227ef0 CW |
842 | int i, ret; |
843 | ||
844 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
845 | if (ret) | |
846 | return ret; | |
a6172a80 CW |
847 | |
848 | seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start); | |
849 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); | |
850 | for (i = 0; i < dev_priv->num_fence_regs; i++) { | |
05394f39 | 851 | struct drm_i915_gem_object *obj = dev_priv->fence_regs[i].obj; |
a6172a80 | 852 | |
6c085a72 CW |
853 | seq_printf(m, "Fence %d, pin count = %d, object = ", |
854 | i, dev_priv->fence_regs[i].pin_count); | |
c2c347a9 | 855 | if (obj == NULL) |
267f0c90 | 856 | seq_puts(m, "unused"); |
c2c347a9 | 857 | else |
05394f39 | 858 | describe_obj(m, obj); |
267f0c90 | 859 | seq_putc(m, '\n'); |
a6172a80 CW |
860 | } |
861 | ||
05394f39 | 862 | mutex_unlock(&dev->struct_mutex); |
a6172a80 CW |
863 | return 0; |
864 | } | |
865 | ||
2017263e BG |
866 | static int i915_hws_info(struct seq_file *m, void *data) |
867 | { | |
9f25d007 | 868 | struct drm_info_node *node = m->private; |
2017263e | 869 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 870 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 871 | struct intel_engine_cs *ring; |
1a240d4d | 872 | const u32 *hws; |
4066c0ae CW |
873 | int i; |
874 | ||
1ec14ad3 | 875 | ring = &dev_priv->ring[(uintptr_t)node->info_ent->data]; |
1a240d4d | 876 | hws = ring->status_page.page_addr; |
2017263e BG |
877 | if (hws == NULL) |
878 | return 0; | |
879 | ||
880 | for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { | |
881 | seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
882 | i * 4, | |
883 | hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); | |
884 | } | |
885 | return 0; | |
886 | } | |
887 | ||
d5442303 DV |
888 | static ssize_t |
889 | i915_error_state_write(struct file *filp, | |
890 | const char __user *ubuf, | |
891 | size_t cnt, | |
892 | loff_t *ppos) | |
893 | { | |
edc3d884 | 894 | struct i915_error_state_file_priv *error_priv = filp->private_data; |
d5442303 | 895 | struct drm_device *dev = error_priv->dev; |
22bcfc6a | 896 | int ret; |
d5442303 DV |
897 | |
898 | DRM_DEBUG_DRIVER("Resetting error state\n"); | |
899 | ||
22bcfc6a DV |
900 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
901 | if (ret) | |
902 | return ret; | |
903 | ||
d5442303 DV |
904 | i915_destroy_error_state(dev); |
905 | mutex_unlock(&dev->struct_mutex); | |
906 | ||
907 | return cnt; | |
908 | } | |
909 | ||
910 | static int i915_error_state_open(struct inode *inode, struct file *file) | |
911 | { | |
912 | struct drm_device *dev = inode->i_private; | |
d5442303 | 913 | struct i915_error_state_file_priv *error_priv; |
d5442303 DV |
914 | |
915 | error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL); | |
916 | if (!error_priv) | |
917 | return -ENOMEM; | |
918 | ||
919 | error_priv->dev = dev; | |
920 | ||
95d5bfb3 | 921 | i915_error_state_get(dev, error_priv); |
d5442303 | 922 | |
edc3d884 MK |
923 | file->private_data = error_priv; |
924 | ||
925 | return 0; | |
d5442303 DV |
926 | } |
927 | ||
928 | static int i915_error_state_release(struct inode *inode, struct file *file) | |
929 | { | |
edc3d884 | 930 | struct i915_error_state_file_priv *error_priv = file->private_data; |
d5442303 | 931 | |
95d5bfb3 | 932 | i915_error_state_put(error_priv); |
d5442303 DV |
933 | kfree(error_priv); |
934 | ||
edc3d884 MK |
935 | return 0; |
936 | } | |
937 | ||
4dc955f7 MK |
938 | static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, |
939 | size_t count, loff_t *pos) | |
940 | { | |
941 | struct i915_error_state_file_priv *error_priv = file->private_data; | |
942 | struct drm_i915_error_state_buf error_str; | |
943 | loff_t tmp_pos = 0; | |
944 | ssize_t ret_count = 0; | |
945 | int ret; | |
946 | ||
0a4cd7c8 | 947 | ret = i915_error_state_buf_init(&error_str, to_i915(error_priv->dev), count, *pos); |
4dc955f7 MK |
948 | if (ret) |
949 | return ret; | |
edc3d884 | 950 | |
fc16b48b | 951 | ret = i915_error_state_to_str(&error_str, error_priv); |
edc3d884 MK |
952 | if (ret) |
953 | goto out; | |
954 | ||
edc3d884 MK |
955 | ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos, |
956 | error_str.buf, | |
957 | error_str.bytes); | |
958 | ||
959 | if (ret_count < 0) | |
960 | ret = ret_count; | |
961 | else | |
962 | *pos = error_str.start + ret_count; | |
963 | out: | |
4dc955f7 | 964 | i915_error_state_buf_release(&error_str); |
edc3d884 | 965 | return ret ?: ret_count; |
d5442303 DV |
966 | } |
967 | ||
968 | static const struct file_operations i915_error_state_fops = { | |
969 | .owner = THIS_MODULE, | |
970 | .open = i915_error_state_open, | |
edc3d884 | 971 | .read = i915_error_state_read, |
d5442303 DV |
972 | .write = i915_error_state_write, |
973 | .llseek = default_llseek, | |
974 | .release = i915_error_state_release, | |
975 | }; | |
976 | ||
647416f9 KC |
977 | static int |
978 | i915_next_seqno_get(void *data, u64 *val) | |
40633219 | 979 | { |
647416f9 | 980 | struct drm_device *dev = data; |
e277a1f8 | 981 | struct drm_i915_private *dev_priv = dev->dev_private; |
40633219 MK |
982 | int ret; |
983 | ||
984 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
985 | if (ret) | |
986 | return ret; | |
987 | ||
647416f9 | 988 | *val = dev_priv->next_seqno; |
40633219 MK |
989 | mutex_unlock(&dev->struct_mutex); |
990 | ||
647416f9 | 991 | return 0; |
40633219 MK |
992 | } |
993 | ||
647416f9 KC |
994 | static int |
995 | i915_next_seqno_set(void *data, u64 val) | |
996 | { | |
997 | struct drm_device *dev = data; | |
40633219 MK |
998 | int ret; |
999 | ||
40633219 MK |
1000 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1001 | if (ret) | |
1002 | return ret; | |
1003 | ||
e94fbaa8 | 1004 | ret = i915_gem_set_seqno(dev, val); |
40633219 MK |
1005 | mutex_unlock(&dev->struct_mutex); |
1006 | ||
647416f9 | 1007 | return ret; |
40633219 MK |
1008 | } |
1009 | ||
647416f9 KC |
1010 | DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, |
1011 | i915_next_seqno_get, i915_next_seqno_set, | |
3a3b4f98 | 1012 | "0x%llx\n"); |
40633219 | 1013 | |
adb4bd12 | 1014 | static int i915_frequency_info(struct seq_file *m, void *unused) |
f97108d1 | 1015 | { |
9f25d007 | 1016 | struct drm_info_node *node = m->private; |
f97108d1 | 1017 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1018 | struct drm_i915_private *dev_priv = dev->dev_private; |
c8c8fb33 PZ |
1019 | int ret = 0; |
1020 | ||
1021 | intel_runtime_pm_get(dev_priv); | |
3b8d8d91 | 1022 | |
5c9669ce TR |
1023 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
1024 | ||
3b8d8d91 JB |
1025 | if (IS_GEN5(dev)) { |
1026 | u16 rgvswctl = I915_READ16(MEMSWCTL); | |
1027 | u16 rgvstat = I915_READ16(MEMSTAT_ILK); | |
1028 | ||
1029 | seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); | |
1030 | seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); | |
1031 | seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> | |
1032 | MEMSTAT_VID_SHIFT); | |
1033 | seq_printf(m, "Current P-state: %d\n", | |
1034 | (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); | |
daa3afb2 TR |
1035 | } else if (IS_GEN6(dev) || (IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) || |
1036 | IS_BROADWELL(dev)) { | |
3b8d8d91 JB |
1037 | u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); |
1038 | u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); | |
1039 | u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
0d8f9491 | 1040 | u32 rpmodectl, rpinclimit, rpdeclimit; |
8e8c06cd | 1041 | u32 rpstat, cagf, reqf; |
ccab5c82 JB |
1042 | u32 rpupei, rpcurup, rpprevup; |
1043 | u32 rpdownei, rpcurdown, rpprevdown; | |
9dd3c605 | 1044 | u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask; |
3b8d8d91 JB |
1045 | int max_freq; |
1046 | ||
1047 | /* RPSTAT1 is in the GT power well */ | |
d1ebd816 BW |
1048 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1049 | if (ret) | |
c8c8fb33 | 1050 | goto out; |
d1ebd816 | 1051 | |
c8d9a590 | 1052 | gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL); |
3b8d8d91 | 1053 | |
8e8c06cd CW |
1054 | reqf = I915_READ(GEN6_RPNSWREQ); |
1055 | reqf &= ~GEN6_TURBO_DISABLE; | |
daa3afb2 | 1056 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
8e8c06cd CW |
1057 | reqf >>= 24; |
1058 | else | |
1059 | reqf >>= 25; | |
1060 | reqf *= GT_FREQUENCY_MULTIPLIER; | |
1061 | ||
0d8f9491 CW |
1062 | rpmodectl = I915_READ(GEN6_RP_CONTROL); |
1063 | rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD); | |
1064 | rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD); | |
1065 | ||
ccab5c82 JB |
1066 | rpstat = I915_READ(GEN6_RPSTAT1); |
1067 | rpupei = I915_READ(GEN6_RP_CUR_UP_EI); | |
1068 | rpcurup = I915_READ(GEN6_RP_CUR_UP); | |
1069 | rpprevup = I915_READ(GEN6_RP_PREV_UP); | |
1070 | rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI); | |
1071 | rpcurdown = I915_READ(GEN6_RP_CUR_DOWN); | |
1072 | rpprevdown = I915_READ(GEN6_RP_PREV_DOWN); | |
daa3afb2 | 1073 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
f82855d3 BW |
1074 | cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; |
1075 | else | |
1076 | cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; | |
1077 | cagf *= GT_FREQUENCY_MULTIPLIER; | |
ccab5c82 | 1078 | |
c8d9a590 | 1079 | gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL); |
d1ebd816 BW |
1080 | mutex_unlock(&dev->struct_mutex); |
1081 | ||
9dd3c605 PZ |
1082 | if (IS_GEN6(dev) || IS_GEN7(dev)) { |
1083 | pm_ier = I915_READ(GEN6_PMIER); | |
1084 | pm_imr = I915_READ(GEN6_PMIMR); | |
1085 | pm_isr = I915_READ(GEN6_PMISR); | |
1086 | pm_iir = I915_READ(GEN6_PMIIR); | |
1087 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1088 | } else { | |
1089 | pm_ier = I915_READ(GEN8_GT_IER(2)); | |
1090 | pm_imr = I915_READ(GEN8_GT_IMR(2)); | |
1091 | pm_isr = I915_READ(GEN8_GT_ISR(2)); | |
1092 | pm_iir = I915_READ(GEN8_GT_IIR(2)); | |
1093 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1094 | } | |
0d8f9491 | 1095 | seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n", |
9dd3c605 | 1096 | pm_ier, pm_imr, pm_isr, pm_iir, pm_mask); |
3b8d8d91 | 1097 | seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); |
3b8d8d91 JB |
1098 | seq_printf(m, "Render p-state ratio: %d\n", |
1099 | (gt_perf_status & 0xff00) >> 8); | |
1100 | seq_printf(m, "Render p-state VID: %d\n", | |
1101 | gt_perf_status & 0xff); | |
1102 | seq_printf(m, "Render p-state limit: %d\n", | |
1103 | rp_state_limits & 0xff); | |
0d8f9491 CW |
1104 | seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); |
1105 | seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl); | |
1106 | seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit); | |
1107 | seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit); | |
8e8c06cd | 1108 | seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); |
f82855d3 | 1109 | seq_printf(m, "CAGF: %dMHz\n", cagf); |
ccab5c82 JB |
1110 | seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & |
1111 | GEN6_CURICONT_MASK); | |
1112 | seq_printf(m, "RP CUR UP: %dus\n", rpcurup & | |
1113 | GEN6_CURBSYTAVG_MASK); | |
1114 | seq_printf(m, "RP PREV UP: %dus\n", rpprevup & | |
1115 | GEN6_CURBSYTAVG_MASK); | |
1116 | seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei & | |
1117 | GEN6_CURIAVG_MASK); | |
1118 | seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown & | |
1119 | GEN6_CURBSYTAVG_MASK); | |
1120 | seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown & | |
1121 | GEN6_CURBSYTAVG_MASK); | |
3b8d8d91 JB |
1122 | |
1123 | max_freq = (rp_state_cap & 0xff0000) >> 16; | |
1124 | seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", | |
c8735b0c | 1125 | max_freq * GT_FREQUENCY_MULTIPLIER); |
3b8d8d91 JB |
1126 | |
1127 | max_freq = (rp_state_cap & 0xff00) >> 8; | |
1128 | seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", | |
c8735b0c | 1129 | max_freq * GT_FREQUENCY_MULTIPLIER); |
3b8d8d91 JB |
1130 | |
1131 | max_freq = rp_state_cap & 0xff; | |
1132 | seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", | |
c8735b0c | 1133 | max_freq * GT_FREQUENCY_MULTIPLIER); |
31c77388 BW |
1134 | |
1135 | seq_printf(m, "Max overclocked frequency: %dMHz\n", | |
b39fb297 | 1136 | dev_priv->rps.max_freq * GT_FREQUENCY_MULTIPLIER); |
0a073b84 | 1137 | } else if (IS_VALLEYVIEW(dev)) { |
03af2045 | 1138 | u32 freq_sts; |
0a073b84 | 1139 | |
259bd5d4 | 1140 | mutex_lock(&dev_priv->rps.hw_lock); |
64936258 | 1141 | freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); |
0a073b84 JB |
1142 | seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts); |
1143 | seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq); | |
1144 | ||
0a073b84 | 1145 | seq_printf(m, "max GPU freq: %d MHz\n", |
b2435c94 | 1146 | vlv_gpu_freq(dev_priv, dev_priv->rps.max_freq)); |
0a073b84 | 1147 | |
0a073b84 | 1148 | seq_printf(m, "min GPU freq: %d MHz\n", |
b2435c94 | 1149 | vlv_gpu_freq(dev_priv, dev_priv->rps.min_freq)); |
03af2045 VS |
1150 | |
1151 | seq_printf(m, "efficient (RPe) frequency: %d MHz\n", | |
b2435c94 | 1152 | vlv_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); |
0a073b84 JB |
1153 | |
1154 | seq_printf(m, "current GPU freq: %d MHz\n", | |
2ec3815f | 1155 | vlv_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff)); |
259bd5d4 | 1156 | mutex_unlock(&dev_priv->rps.hw_lock); |
3b8d8d91 | 1157 | } else { |
267f0c90 | 1158 | seq_puts(m, "no P-state info available\n"); |
3b8d8d91 | 1159 | } |
f97108d1 | 1160 | |
c8c8fb33 PZ |
1161 | out: |
1162 | intel_runtime_pm_put(dev_priv); | |
1163 | return ret; | |
f97108d1 JB |
1164 | } |
1165 | ||
4d85529d | 1166 | static int ironlake_drpc_info(struct seq_file *m) |
f97108d1 | 1167 | { |
9f25d007 | 1168 | struct drm_info_node *node = m->private; |
f97108d1 | 1169 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1170 | struct drm_i915_private *dev_priv = dev->dev_private; |
616fdb5a BW |
1171 | u32 rgvmodectl, rstdbyctl; |
1172 | u16 crstandvid; | |
1173 | int ret; | |
1174 | ||
1175 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1176 | if (ret) | |
1177 | return ret; | |
c8c8fb33 | 1178 | intel_runtime_pm_get(dev_priv); |
616fdb5a BW |
1179 | |
1180 | rgvmodectl = I915_READ(MEMMODECTL); | |
1181 | rstdbyctl = I915_READ(RSTDBYCTL); | |
1182 | crstandvid = I915_READ16(CRSTANDVID); | |
1183 | ||
c8c8fb33 | 1184 | intel_runtime_pm_put(dev_priv); |
616fdb5a | 1185 | mutex_unlock(&dev->struct_mutex); |
f97108d1 JB |
1186 | |
1187 | seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ? | |
1188 | "yes" : "no"); | |
1189 | seq_printf(m, "Boost freq: %d\n", | |
1190 | (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> | |
1191 | MEMMODE_BOOST_FREQ_SHIFT); | |
1192 | seq_printf(m, "HW control enabled: %s\n", | |
1193 | rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no"); | |
1194 | seq_printf(m, "SW control enabled: %s\n", | |
1195 | rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no"); | |
1196 | seq_printf(m, "Gated voltage change: %s\n", | |
1197 | rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no"); | |
1198 | seq_printf(m, "Starting frequency: P%d\n", | |
1199 | (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); | |
7648fa99 | 1200 | seq_printf(m, "Max P-state: P%d\n", |
f97108d1 | 1201 | (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); |
7648fa99 JB |
1202 | seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); |
1203 | seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); | |
1204 | seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); | |
1205 | seq_printf(m, "Render standby enabled: %s\n", | |
1206 | (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes"); | |
267f0c90 | 1207 | seq_puts(m, "Current RS state: "); |
88271da3 JB |
1208 | switch (rstdbyctl & RSX_STATUS_MASK) { |
1209 | case RSX_STATUS_ON: | |
267f0c90 | 1210 | seq_puts(m, "on\n"); |
88271da3 JB |
1211 | break; |
1212 | case RSX_STATUS_RC1: | |
267f0c90 | 1213 | seq_puts(m, "RC1\n"); |
88271da3 JB |
1214 | break; |
1215 | case RSX_STATUS_RC1E: | |
267f0c90 | 1216 | seq_puts(m, "RC1E\n"); |
88271da3 JB |
1217 | break; |
1218 | case RSX_STATUS_RS1: | |
267f0c90 | 1219 | seq_puts(m, "RS1\n"); |
88271da3 JB |
1220 | break; |
1221 | case RSX_STATUS_RS2: | |
267f0c90 | 1222 | seq_puts(m, "RS2 (RC6)\n"); |
88271da3 JB |
1223 | break; |
1224 | case RSX_STATUS_RS3: | |
267f0c90 | 1225 | seq_puts(m, "RC3 (RC6+)\n"); |
88271da3 JB |
1226 | break; |
1227 | default: | |
267f0c90 | 1228 | seq_puts(m, "unknown\n"); |
88271da3 JB |
1229 | break; |
1230 | } | |
f97108d1 JB |
1231 | |
1232 | return 0; | |
1233 | } | |
1234 | ||
669ab5aa D |
1235 | static int vlv_drpc_info(struct seq_file *m) |
1236 | { | |
1237 | ||
9f25d007 | 1238 | struct drm_info_node *node = m->private; |
669ab5aa D |
1239 | struct drm_device *dev = node->minor->dev; |
1240 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6b312cd3 | 1241 | u32 rpmodectl1, rcctl1, pw_status; |
669ab5aa D |
1242 | unsigned fw_rendercount = 0, fw_mediacount = 0; |
1243 | ||
d46c0517 ID |
1244 | intel_runtime_pm_get(dev_priv); |
1245 | ||
6b312cd3 | 1246 | pw_status = I915_READ(VLV_GTLC_PW_STATUS); |
669ab5aa D |
1247 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); |
1248 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1249 | ||
d46c0517 ID |
1250 | intel_runtime_pm_put(dev_priv); |
1251 | ||
669ab5aa D |
1252 | seq_printf(m, "Video Turbo Mode: %s\n", |
1253 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1254 | seq_printf(m, "Turbo enabled: %s\n", | |
1255 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1256 | seq_printf(m, "HW control enabled: %s\n", | |
1257 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1258 | seq_printf(m, "SW control enabled: %s\n", | |
1259 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1260 | GEN6_RP_MEDIA_SW_MODE)); | |
1261 | seq_printf(m, "RC6 Enabled: %s\n", | |
1262 | yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE | | |
1263 | GEN6_RC_CTL_EI_MODE(1)))); | |
1264 | seq_printf(m, "Render Power Well: %s\n", | |
6b312cd3 | 1265 | (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1266 | seq_printf(m, "Media Power Well: %s\n", |
6b312cd3 | 1267 | (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1268 | |
9cc19be5 ID |
1269 | seq_printf(m, "Render RC6 residency since boot: %u\n", |
1270 | I915_READ(VLV_GT_RENDER_RC6)); | |
1271 | seq_printf(m, "Media RC6 residency since boot: %u\n", | |
1272 | I915_READ(VLV_GT_MEDIA_RC6)); | |
1273 | ||
669ab5aa D |
1274 | spin_lock_irq(&dev_priv->uncore.lock); |
1275 | fw_rendercount = dev_priv->uncore.fw_rendercount; | |
1276 | fw_mediacount = dev_priv->uncore.fw_mediacount; | |
1277 | spin_unlock_irq(&dev_priv->uncore.lock); | |
1278 | ||
1279 | seq_printf(m, "Forcewake Render Count = %u\n", fw_rendercount); | |
1280 | seq_printf(m, "Forcewake Media Count = %u\n", fw_mediacount); | |
1281 | ||
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | ||
4d85529d BW |
1287 | static int gen6_drpc_info(struct seq_file *m) |
1288 | { | |
1289 | ||
9f25d007 | 1290 | struct drm_info_node *node = m->private; |
4d85529d BW |
1291 | struct drm_device *dev = node->minor->dev; |
1292 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ecd8faea | 1293 | u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; |
93b525dc | 1294 | unsigned forcewake_count; |
aee56cff | 1295 | int count = 0, ret; |
4d85529d BW |
1296 | |
1297 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1298 | if (ret) | |
1299 | return ret; | |
c8c8fb33 | 1300 | intel_runtime_pm_get(dev_priv); |
4d85529d | 1301 | |
907b28c5 CW |
1302 | spin_lock_irq(&dev_priv->uncore.lock); |
1303 | forcewake_count = dev_priv->uncore.forcewake_count; | |
1304 | spin_unlock_irq(&dev_priv->uncore.lock); | |
93b525dc DV |
1305 | |
1306 | if (forcewake_count) { | |
267f0c90 DL |
1307 | seq_puts(m, "RC information inaccurate because somebody " |
1308 | "holds a forcewake reference \n"); | |
4d85529d BW |
1309 | } else { |
1310 | /* NB: we cannot use forcewake, else we read the wrong values */ | |
1311 | while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) | |
1312 | udelay(10); | |
1313 | seq_printf(m, "RC information accurate: %s\n", yesno(count < 51)); | |
1314 | } | |
1315 | ||
1316 | gt_core_status = readl(dev_priv->regs + GEN6_GT_CORE_STATUS); | |
ed71f1b4 | 1317 | trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true); |
4d85529d BW |
1318 | |
1319 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); | |
1320 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1321 | mutex_unlock(&dev->struct_mutex); | |
44cbd338 BW |
1322 | mutex_lock(&dev_priv->rps.hw_lock); |
1323 | sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); | |
1324 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4d85529d | 1325 | |
c8c8fb33 PZ |
1326 | intel_runtime_pm_put(dev_priv); |
1327 | ||
4d85529d BW |
1328 | seq_printf(m, "Video Turbo Mode: %s\n", |
1329 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1330 | seq_printf(m, "HW control enabled: %s\n", | |
1331 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1332 | seq_printf(m, "SW control enabled: %s\n", | |
1333 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1334 | GEN6_RP_MEDIA_SW_MODE)); | |
fff24e21 | 1335 | seq_printf(m, "RC1e Enabled: %s\n", |
4d85529d BW |
1336 | yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); |
1337 | seq_printf(m, "RC6 Enabled: %s\n", | |
1338 | yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); | |
1339 | seq_printf(m, "Deep RC6 Enabled: %s\n", | |
1340 | yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); | |
1341 | seq_printf(m, "Deepest RC6 Enabled: %s\n", | |
1342 | yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); | |
267f0c90 | 1343 | seq_puts(m, "Current RC state: "); |
4d85529d BW |
1344 | switch (gt_core_status & GEN6_RCn_MASK) { |
1345 | case GEN6_RC0: | |
1346 | if (gt_core_status & GEN6_CORE_CPD_STATE_MASK) | |
267f0c90 | 1347 | seq_puts(m, "Core Power Down\n"); |
4d85529d | 1348 | else |
267f0c90 | 1349 | seq_puts(m, "on\n"); |
4d85529d BW |
1350 | break; |
1351 | case GEN6_RC3: | |
267f0c90 | 1352 | seq_puts(m, "RC3\n"); |
4d85529d BW |
1353 | break; |
1354 | case GEN6_RC6: | |
267f0c90 | 1355 | seq_puts(m, "RC6\n"); |
4d85529d BW |
1356 | break; |
1357 | case GEN6_RC7: | |
267f0c90 | 1358 | seq_puts(m, "RC7\n"); |
4d85529d BW |
1359 | break; |
1360 | default: | |
267f0c90 | 1361 | seq_puts(m, "Unknown\n"); |
4d85529d BW |
1362 | break; |
1363 | } | |
1364 | ||
1365 | seq_printf(m, "Core Power Down: %s\n", | |
1366 | yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK)); | |
cce66a28 BW |
1367 | |
1368 | /* Not exactly sure what this is */ | |
1369 | seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n", | |
1370 | I915_READ(GEN6_GT_GFX_RC6_LOCKED)); | |
1371 | seq_printf(m, "RC6 residency since boot: %u\n", | |
1372 | I915_READ(GEN6_GT_GFX_RC6)); | |
1373 | seq_printf(m, "RC6+ residency since boot: %u\n", | |
1374 | I915_READ(GEN6_GT_GFX_RC6p)); | |
1375 | seq_printf(m, "RC6++ residency since boot: %u\n", | |
1376 | I915_READ(GEN6_GT_GFX_RC6pp)); | |
1377 | ||
ecd8faea BW |
1378 | seq_printf(m, "RC6 voltage: %dmV\n", |
1379 | GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff))); | |
1380 | seq_printf(m, "RC6+ voltage: %dmV\n", | |
1381 | GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff))); | |
1382 | seq_printf(m, "RC6++ voltage: %dmV\n", | |
1383 | GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff))); | |
4d85529d BW |
1384 | return 0; |
1385 | } | |
1386 | ||
1387 | static int i915_drpc_info(struct seq_file *m, void *unused) | |
1388 | { | |
9f25d007 | 1389 | struct drm_info_node *node = m->private; |
4d85529d BW |
1390 | struct drm_device *dev = node->minor->dev; |
1391 | ||
669ab5aa D |
1392 | if (IS_VALLEYVIEW(dev)) |
1393 | return vlv_drpc_info(m); | |
ac66cf4b | 1394 | else if (INTEL_INFO(dev)->gen >= 6) |
4d85529d BW |
1395 | return gen6_drpc_info(m); |
1396 | else | |
1397 | return ironlake_drpc_info(m); | |
1398 | } | |
1399 | ||
b5e50c3f JB |
1400 | static int i915_fbc_status(struct seq_file *m, void *unused) |
1401 | { | |
9f25d007 | 1402 | struct drm_info_node *node = m->private; |
b5e50c3f | 1403 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1404 | struct drm_i915_private *dev_priv = dev->dev_private; |
b5e50c3f | 1405 | |
3a77c4c4 | 1406 | if (!HAS_FBC(dev)) { |
267f0c90 | 1407 | seq_puts(m, "FBC unsupported on this chipset\n"); |
b5e50c3f JB |
1408 | return 0; |
1409 | } | |
1410 | ||
36623ef8 PZ |
1411 | intel_runtime_pm_get(dev_priv); |
1412 | ||
ee5382ae | 1413 | if (intel_fbc_enabled(dev)) { |
267f0c90 | 1414 | seq_puts(m, "FBC enabled\n"); |
b5e50c3f | 1415 | } else { |
267f0c90 | 1416 | seq_puts(m, "FBC disabled: "); |
5c3fe8b0 | 1417 | switch (dev_priv->fbc.no_fbc_reason) { |
29ebf90f CW |
1418 | case FBC_OK: |
1419 | seq_puts(m, "FBC actived, but currently disabled in hardware"); | |
1420 | break; | |
1421 | case FBC_UNSUPPORTED: | |
1422 | seq_puts(m, "unsupported by this chipset"); | |
1423 | break; | |
bed4a673 | 1424 | case FBC_NO_OUTPUT: |
267f0c90 | 1425 | seq_puts(m, "no outputs"); |
bed4a673 | 1426 | break; |
b5e50c3f | 1427 | case FBC_STOLEN_TOO_SMALL: |
267f0c90 | 1428 | seq_puts(m, "not enough stolen memory"); |
b5e50c3f JB |
1429 | break; |
1430 | case FBC_UNSUPPORTED_MODE: | |
267f0c90 | 1431 | seq_puts(m, "mode not supported"); |
b5e50c3f JB |
1432 | break; |
1433 | case FBC_MODE_TOO_LARGE: | |
267f0c90 | 1434 | seq_puts(m, "mode too large"); |
b5e50c3f JB |
1435 | break; |
1436 | case FBC_BAD_PLANE: | |
267f0c90 | 1437 | seq_puts(m, "FBC unsupported on plane"); |
b5e50c3f JB |
1438 | break; |
1439 | case FBC_NOT_TILED: | |
267f0c90 | 1440 | seq_puts(m, "scanout buffer not tiled"); |
b5e50c3f | 1441 | break; |
9c928d16 | 1442 | case FBC_MULTIPLE_PIPES: |
267f0c90 | 1443 | seq_puts(m, "multiple pipes are enabled"); |
9c928d16 | 1444 | break; |
c1a9f047 | 1445 | case FBC_MODULE_PARAM: |
267f0c90 | 1446 | seq_puts(m, "disabled per module param (default off)"); |
c1a9f047 | 1447 | break; |
8a5729a3 | 1448 | case FBC_CHIP_DEFAULT: |
267f0c90 | 1449 | seq_puts(m, "disabled per chip default"); |
8a5729a3 | 1450 | break; |
b5e50c3f | 1451 | default: |
267f0c90 | 1452 | seq_puts(m, "unknown reason"); |
b5e50c3f | 1453 | } |
267f0c90 | 1454 | seq_putc(m, '\n'); |
b5e50c3f | 1455 | } |
36623ef8 PZ |
1456 | |
1457 | intel_runtime_pm_put(dev_priv); | |
1458 | ||
b5e50c3f JB |
1459 | return 0; |
1460 | } | |
1461 | ||
da46f936 RV |
1462 | static int i915_fbc_fc_get(void *data, u64 *val) |
1463 | { | |
1464 | struct drm_device *dev = data; | |
1465 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1466 | ||
1467 | if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev)) | |
1468 | return -ENODEV; | |
1469 | ||
1470 | drm_modeset_lock_all(dev); | |
1471 | *val = dev_priv->fbc.false_color; | |
1472 | drm_modeset_unlock_all(dev); | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | static int i915_fbc_fc_set(void *data, u64 val) | |
1478 | { | |
1479 | struct drm_device *dev = data; | |
1480 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1481 | u32 reg; | |
1482 | ||
1483 | if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev)) | |
1484 | return -ENODEV; | |
1485 | ||
1486 | drm_modeset_lock_all(dev); | |
1487 | ||
1488 | reg = I915_READ(ILK_DPFC_CONTROL); | |
1489 | dev_priv->fbc.false_color = val; | |
1490 | ||
1491 | I915_WRITE(ILK_DPFC_CONTROL, val ? | |
1492 | (reg | FBC_CTL_FALSE_COLOR) : | |
1493 | (reg & ~FBC_CTL_FALSE_COLOR)); | |
1494 | ||
1495 | drm_modeset_unlock_all(dev); | |
1496 | return 0; | |
1497 | } | |
1498 | ||
1499 | DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops, | |
1500 | i915_fbc_fc_get, i915_fbc_fc_set, | |
1501 | "%llu\n"); | |
1502 | ||
92d44621 PZ |
1503 | static int i915_ips_status(struct seq_file *m, void *unused) |
1504 | { | |
9f25d007 | 1505 | struct drm_info_node *node = m->private; |
92d44621 PZ |
1506 | struct drm_device *dev = node->minor->dev; |
1507 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1508 | ||
f5adf94e | 1509 | if (!HAS_IPS(dev)) { |
92d44621 PZ |
1510 | seq_puts(m, "not supported\n"); |
1511 | return 0; | |
1512 | } | |
1513 | ||
36623ef8 PZ |
1514 | intel_runtime_pm_get(dev_priv); |
1515 | ||
0eaa53f0 RV |
1516 | seq_printf(m, "Enabled by kernel parameter: %s\n", |
1517 | yesno(i915.enable_ips)); | |
1518 | ||
1519 | if (INTEL_INFO(dev)->gen >= 8) { | |
1520 | seq_puts(m, "Currently: unknown\n"); | |
1521 | } else { | |
1522 | if (I915_READ(IPS_CTL) & IPS_ENABLE) | |
1523 | seq_puts(m, "Currently: enabled\n"); | |
1524 | else | |
1525 | seq_puts(m, "Currently: disabled\n"); | |
1526 | } | |
92d44621 | 1527 | |
36623ef8 PZ |
1528 | intel_runtime_pm_put(dev_priv); |
1529 | ||
92d44621 PZ |
1530 | return 0; |
1531 | } | |
1532 | ||
4a9bef37 JB |
1533 | static int i915_sr_status(struct seq_file *m, void *unused) |
1534 | { | |
9f25d007 | 1535 | struct drm_info_node *node = m->private; |
4a9bef37 | 1536 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1537 | struct drm_i915_private *dev_priv = dev->dev_private; |
4a9bef37 JB |
1538 | bool sr_enabled = false; |
1539 | ||
36623ef8 PZ |
1540 | intel_runtime_pm_get(dev_priv); |
1541 | ||
1398261a | 1542 | if (HAS_PCH_SPLIT(dev)) |
5ba2aaaa | 1543 | sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; |
a6c45cf0 | 1544 | else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev)) |
4a9bef37 JB |
1545 | sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; |
1546 | else if (IS_I915GM(dev)) | |
1547 | sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; | |
1548 | else if (IS_PINEVIEW(dev)) | |
1549 | sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; | |
1550 | ||
36623ef8 PZ |
1551 | intel_runtime_pm_put(dev_priv); |
1552 | ||
5ba2aaaa CW |
1553 | seq_printf(m, "self-refresh: %s\n", |
1554 | sr_enabled ? "enabled" : "disabled"); | |
4a9bef37 JB |
1555 | |
1556 | return 0; | |
1557 | } | |
1558 | ||
7648fa99 JB |
1559 | static int i915_emon_status(struct seq_file *m, void *unused) |
1560 | { | |
9f25d007 | 1561 | struct drm_info_node *node = m->private; |
7648fa99 | 1562 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1563 | struct drm_i915_private *dev_priv = dev->dev_private; |
7648fa99 | 1564 | unsigned long temp, chipset, gfx; |
de227ef0 CW |
1565 | int ret; |
1566 | ||
582be6b4 CW |
1567 | if (!IS_GEN5(dev)) |
1568 | return -ENODEV; | |
1569 | ||
de227ef0 CW |
1570 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1571 | if (ret) | |
1572 | return ret; | |
7648fa99 JB |
1573 | |
1574 | temp = i915_mch_val(dev_priv); | |
1575 | chipset = i915_chipset_val(dev_priv); | |
1576 | gfx = i915_gfx_val(dev_priv); | |
de227ef0 | 1577 | mutex_unlock(&dev->struct_mutex); |
7648fa99 JB |
1578 | |
1579 | seq_printf(m, "GMCH temp: %ld\n", temp); | |
1580 | seq_printf(m, "Chipset power: %ld\n", chipset); | |
1581 | seq_printf(m, "GFX power: %ld\n", gfx); | |
1582 | seq_printf(m, "Total power: %ld\n", chipset + gfx); | |
1583 | ||
1584 | return 0; | |
1585 | } | |
1586 | ||
23b2f8bb JB |
1587 | static int i915_ring_freq_table(struct seq_file *m, void *unused) |
1588 | { | |
9f25d007 | 1589 | struct drm_info_node *node = m->private; |
23b2f8bb | 1590 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1591 | struct drm_i915_private *dev_priv = dev->dev_private; |
5bfa0199 | 1592 | int ret = 0; |
23b2f8bb JB |
1593 | int gpu_freq, ia_freq; |
1594 | ||
1c70c0ce | 1595 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) { |
267f0c90 | 1596 | seq_puts(m, "unsupported on this chipset\n"); |
23b2f8bb JB |
1597 | return 0; |
1598 | } | |
1599 | ||
5bfa0199 PZ |
1600 | intel_runtime_pm_get(dev_priv); |
1601 | ||
5c9669ce TR |
1602 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
1603 | ||
4fc688ce | 1604 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
23b2f8bb | 1605 | if (ret) |
5bfa0199 | 1606 | goto out; |
23b2f8bb | 1607 | |
267f0c90 | 1608 | seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n"); |
23b2f8bb | 1609 | |
b39fb297 BW |
1610 | for (gpu_freq = dev_priv->rps.min_freq_softlimit; |
1611 | gpu_freq <= dev_priv->rps.max_freq_softlimit; | |
23b2f8bb | 1612 | gpu_freq++) { |
42c0526c BW |
1613 | ia_freq = gpu_freq; |
1614 | sandybridge_pcode_read(dev_priv, | |
1615 | GEN6_PCODE_READ_MIN_FREQ_TABLE, | |
1616 | &ia_freq); | |
3ebecd07 CW |
1617 | seq_printf(m, "%d\t\t%d\t\t\t\t%d\n", |
1618 | gpu_freq * GT_FREQUENCY_MULTIPLIER, | |
1619 | ((ia_freq >> 0) & 0xff) * 100, | |
1620 | ((ia_freq >> 8) & 0xff) * 100); | |
23b2f8bb JB |
1621 | } |
1622 | ||
4fc688ce | 1623 | mutex_unlock(&dev_priv->rps.hw_lock); |
23b2f8bb | 1624 | |
5bfa0199 PZ |
1625 | out: |
1626 | intel_runtime_pm_put(dev_priv); | |
1627 | return ret; | |
23b2f8bb JB |
1628 | } |
1629 | ||
44834a67 CW |
1630 | static int i915_opregion(struct seq_file *m, void *unused) |
1631 | { | |
9f25d007 | 1632 | struct drm_info_node *node = m->private; |
44834a67 | 1633 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1634 | struct drm_i915_private *dev_priv = dev->dev_private; |
44834a67 | 1635 | struct intel_opregion *opregion = &dev_priv->opregion; |
0d38f009 | 1636 | void *data = kmalloc(OPREGION_SIZE, GFP_KERNEL); |
44834a67 CW |
1637 | int ret; |
1638 | ||
0d38f009 DV |
1639 | if (data == NULL) |
1640 | return -ENOMEM; | |
1641 | ||
44834a67 CW |
1642 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1643 | if (ret) | |
0d38f009 | 1644 | goto out; |
44834a67 | 1645 | |
0d38f009 DV |
1646 | if (opregion->header) { |
1647 | memcpy_fromio(data, opregion->header, OPREGION_SIZE); | |
1648 | seq_write(m, data, OPREGION_SIZE); | |
1649 | } | |
44834a67 CW |
1650 | |
1651 | mutex_unlock(&dev->struct_mutex); | |
1652 | ||
0d38f009 DV |
1653 | out: |
1654 | kfree(data); | |
44834a67 CW |
1655 | return 0; |
1656 | } | |
1657 | ||
37811fcc CW |
1658 | static int i915_gem_framebuffer_info(struct seq_file *m, void *data) |
1659 | { | |
9f25d007 | 1660 | struct drm_info_node *node = m->private; |
37811fcc | 1661 | struct drm_device *dev = node->minor->dev; |
4520f53a | 1662 | struct intel_fbdev *ifbdev = NULL; |
37811fcc | 1663 | struct intel_framebuffer *fb; |
37811fcc | 1664 | |
4520f53a DV |
1665 | #ifdef CONFIG_DRM_I915_FBDEV |
1666 | struct drm_i915_private *dev_priv = dev->dev_private; | |
37811fcc CW |
1667 | |
1668 | ifbdev = dev_priv->fbdev; | |
1669 | fb = to_intel_framebuffer(ifbdev->helper.fb); | |
1670 | ||
623f9783 | 1671 | seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ", |
37811fcc CW |
1672 | fb->base.width, |
1673 | fb->base.height, | |
1674 | fb->base.depth, | |
623f9783 DV |
1675 | fb->base.bits_per_pixel, |
1676 | atomic_read(&fb->base.refcount.refcount)); | |
05394f39 | 1677 | describe_obj(m, fb->obj); |
267f0c90 | 1678 | seq_putc(m, '\n'); |
4520f53a | 1679 | #endif |
37811fcc | 1680 | |
4b096ac1 | 1681 | mutex_lock(&dev->mode_config.fb_lock); |
37811fcc | 1682 | list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) { |
131a56dc | 1683 | if (ifbdev && &fb->base == ifbdev->helper.fb) |
37811fcc CW |
1684 | continue; |
1685 | ||
623f9783 | 1686 | seq_printf(m, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ", |
37811fcc CW |
1687 | fb->base.width, |
1688 | fb->base.height, | |
1689 | fb->base.depth, | |
623f9783 DV |
1690 | fb->base.bits_per_pixel, |
1691 | atomic_read(&fb->base.refcount.refcount)); | |
05394f39 | 1692 | describe_obj(m, fb->obj); |
267f0c90 | 1693 | seq_putc(m, '\n'); |
37811fcc | 1694 | } |
4b096ac1 | 1695 | mutex_unlock(&dev->mode_config.fb_lock); |
37811fcc CW |
1696 | |
1697 | return 0; | |
1698 | } | |
1699 | ||
c9fe99bd OM |
1700 | static void describe_ctx_ringbuf(struct seq_file *m, |
1701 | struct intel_ringbuffer *ringbuf) | |
1702 | { | |
1703 | seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)", | |
1704 | ringbuf->space, ringbuf->head, ringbuf->tail, | |
1705 | ringbuf->last_retired_head); | |
1706 | } | |
1707 | ||
e76d3630 BW |
1708 | static int i915_context_status(struct seq_file *m, void *unused) |
1709 | { | |
9f25d007 | 1710 | struct drm_info_node *node = m->private; |
e76d3630 | 1711 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1712 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 1713 | struct intel_engine_cs *ring; |
273497e5 | 1714 | struct intel_context *ctx; |
a168c293 | 1715 | int ret, i; |
e76d3630 | 1716 | |
f3d28878 | 1717 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
e76d3630 BW |
1718 | if (ret) |
1719 | return ret; | |
1720 | ||
3e373948 | 1721 | if (dev_priv->ips.pwrctx) { |
267f0c90 | 1722 | seq_puts(m, "power context "); |
3e373948 | 1723 | describe_obj(m, dev_priv->ips.pwrctx); |
267f0c90 | 1724 | seq_putc(m, '\n'); |
dc501fbc | 1725 | } |
e76d3630 | 1726 | |
3e373948 | 1727 | if (dev_priv->ips.renderctx) { |
267f0c90 | 1728 | seq_puts(m, "render context "); |
3e373948 | 1729 | describe_obj(m, dev_priv->ips.renderctx); |
267f0c90 | 1730 | seq_putc(m, '\n'); |
dc501fbc | 1731 | } |
e76d3630 | 1732 | |
a33afea5 | 1733 | list_for_each_entry(ctx, &dev_priv->context_list, link) { |
c9fe99bd OM |
1734 | if (!i915.enable_execlists && |
1735 | ctx->legacy_hw_ctx.rcs_state == NULL) | |
b77f6997 CW |
1736 | continue; |
1737 | ||
a33afea5 | 1738 | seq_puts(m, "HW context "); |
3ccfd19d | 1739 | describe_ctx(m, ctx); |
c9fe99bd | 1740 | for_each_ring(ring, dev_priv, i) { |
a33afea5 | 1741 | if (ring->default_context == ctx) |
c9fe99bd OM |
1742 | seq_printf(m, "(default context %s) ", |
1743 | ring->name); | |
1744 | } | |
1745 | ||
1746 | if (i915.enable_execlists) { | |
1747 | seq_putc(m, '\n'); | |
1748 | for_each_ring(ring, dev_priv, i) { | |
1749 | struct drm_i915_gem_object *ctx_obj = | |
1750 | ctx->engine[i].state; | |
1751 | struct intel_ringbuffer *ringbuf = | |
1752 | ctx->engine[i].ringbuf; | |
1753 | ||
1754 | seq_printf(m, "%s: ", ring->name); | |
1755 | if (ctx_obj) | |
1756 | describe_obj(m, ctx_obj); | |
1757 | if (ringbuf) | |
1758 | describe_ctx_ringbuf(m, ringbuf); | |
1759 | seq_putc(m, '\n'); | |
1760 | } | |
1761 | } else { | |
1762 | describe_obj(m, ctx->legacy_hw_ctx.rcs_state); | |
1763 | } | |
a33afea5 | 1764 | |
a33afea5 | 1765 | seq_putc(m, '\n'); |
a168c293 BW |
1766 | } |
1767 | ||
f3d28878 | 1768 | mutex_unlock(&dev->struct_mutex); |
e76d3630 BW |
1769 | |
1770 | return 0; | |
1771 | } | |
1772 | ||
064ca1d2 TD |
1773 | static void i915_dump_lrc_obj(struct seq_file *m, |
1774 | struct intel_engine_cs *ring, | |
1775 | struct drm_i915_gem_object *ctx_obj) | |
1776 | { | |
1777 | struct page *page; | |
1778 | uint32_t *reg_state; | |
1779 | int j; | |
1780 | unsigned long ggtt_offset = 0; | |
1781 | ||
1782 | if (ctx_obj == NULL) { | |
1783 | seq_printf(m, "Context on %s with no gem object\n", | |
1784 | ring->name); | |
1785 | return; | |
1786 | } | |
1787 | ||
1788 | seq_printf(m, "CONTEXT: %s %u\n", ring->name, | |
1789 | intel_execlists_ctx_id(ctx_obj)); | |
1790 | ||
1791 | if (!i915_gem_obj_ggtt_bound(ctx_obj)) | |
1792 | seq_puts(m, "\tNot bound in GGTT\n"); | |
1793 | else | |
1794 | ggtt_offset = i915_gem_obj_ggtt_offset(ctx_obj); | |
1795 | ||
1796 | if (i915_gem_object_get_pages(ctx_obj)) { | |
1797 | seq_puts(m, "\tFailed to get pages for context object\n"); | |
1798 | return; | |
1799 | } | |
1800 | ||
1801 | page = i915_gem_object_get_page(ctx_obj, 1); | |
1802 | if (!WARN_ON(page == NULL)) { | |
1803 | reg_state = kmap_atomic(page); | |
1804 | ||
1805 | for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) { | |
1806 | seq_printf(m, "\t[0x%08lx] 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
1807 | ggtt_offset + 4096 + (j * 4), | |
1808 | reg_state[j], reg_state[j + 1], | |
1809 | reg_state[j + 2], reg_state[j + 3]); | |
1810 | } | |
1811 | kunmap_atomic(reg_state); | |
1812 | } | |
1813 | ||
1814 | seq_putc(m, '\n'); | |
1815 | } | |
1816 | ||
c0ab1ae9 BW |
1817 | static int i915_dump_lrc(struct seq_file *m, void *unused) |
1818 | { | |
1819 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
1820 | struct drm_device *dev = node->minor->dev; | |
1821 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1822 | struct intel_engine_cs *ring; | |
1823 | struct intel_context *ctx; | |
1824 | int ret, i; | |
1825 | ||
1826 | if (!i915.enable_execlists) { | |
1827 | seq_printf(m, "Logical Ring Contexts are disabled\n"); | |
1828 | return 0; | |
1829 | } | |
1830 | ||
1831 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1832 | if (ret) | |
1833 | return ret; | |
1834 | ||
1835 | list_for_each_entry(ctx, &dev_priv->context_list, link) { | |
1836 | for_each_ring(ring, dev_priv, i) { | |
064ca1d2 TD |
1837 | if (ring->default_context != ctx) |
1838 | i915_dump_lrc_obj(m, ring, | |
1839 | ctx->engine[i].state); | |
c0ab1ae9 BW |
1840 | } |
1841 | } | |
1842 | ||
1843 | mutex_unlock(&dev->struct_mutex); | |
1844 | ||
1845 | return 0; | |
1846 | } | |
1847 | ||
4ba70e44 OM |
1848 | static int i915_execlists(struct seq_file *m, void *data) |
1849 | { | |
1850 | struct drm_info_node *node = (struct drm_info_node *)m->private; | |
1851 | struct drm_device *dev = node->minor->dev; | |
1852 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1853 | struct intel_engine_cs *ring; | |
1854 | u32 status_pointer; | |
1855 | u8 read_pointer; | |
1856 | u8 write_pointer; | |
1857 | u32 status; | |
1858 | u32 ctx_id; | |
1859 | struct list_head *cursor; | |
1860 | int ring_id, i; | |
1861 | int ret; | |
1862 | ||
1863 | if (!i915.enable_execlists) { | |
1864 | seq_puts(m, "Logical Ring Contexts are disabled\n"); | |
1865 | return 0; | |
1866 | } | |
1867 | ||
1868 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1869 | if (ret) | |
1870 | return ret; | |
1871 | ||
fc0412ec MT |
1872 | intel_runtime_pm_get(dev_priv); |
1873 | ||
4ba70e44 OM |
1874 | for_each_ring(ring, dev_priv, ring_id) { |
1875 | struct intel_ctx_submit_request *head_req = NULL; | |
1876 | int count = 0; | |
1877 | unsigned long flags; | |
1878 | ||
1879 | seq_printf(m, "%s\n", ring->name); | |
1880 | ||
1881 | status = I915_READ(RING_EXECLIST_STATUS(ring)); | |
1882 | ctx_id = I915_READ(RING_EXECLIST_STATUS(ring) + 4); | |
1883 | seq_printf(m, "\tExeclist status: 0x%08X, context: %u\n", | |
1884 | status, ctx_id); | |
1885 | ||
1886 | status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(ring)); | |
1887 | seq_printf(m, "\tStatus pointer: 0x%08X\n", status_pointer); | |
1888 | ||
1889 | read_pointer = ring->next_context_status_buffer; | |
1890 | write_pointer = status_pointer & 0x07; | |
1891 | if (read_pointer > write_pointer) | |
1892 | write_pointer += 6; | |
1893 | seq_printf(m, "\tRead pointer: 0x%08X, write pointer 0x%08X\n", | |
1894 | read_pointer, write_pointer); | |
1895 | ||
1896 | for (i = 0; i < 6; i++) { | |
1897 | status = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + 8*i); | |
1898 | ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + 8*i + 4); | |
1899 | ||
1900 | seq_printf(m, "\tStatus buffer %d: 0x%08X, context: %u\n", | |
1901 | i, status, ctx_id); | |
1902 | } | |
1903 | ||
1904 | spin_lock_irqsave(&ring->execlist_lock, flags); | |
1905 | list_for_each(cursor, &ring->execlist_queue) | |
1906 | count++; | |
1907 | head_req = list_first_entry_or_null(&ring->execlist_queue, | |
1908 | struct intel_ctx_submit_request, execlist_link); | |
1909 | spin_unlock_irqrestore(&ring->execlist_lock, flags); | |
1910 | ||
1911 | seq_printf(m, "\t%d requests in queue\n", count); | |
1912 | if (head_req) { | |
1913 | struct drm_i915_gem_object *ctx_obj; | |
1914 | ||
1915 | ctx_obj = head_req->ctx->engine[ring_id].state; | |
1916 | seq_printf(m, "\tHead request id: %u\n", | |
1917 | intel_execlists_ctx_id(ctx_obj)); | |
1918 | seq_printf(m, "\tHead request tail: %u\n", | |
1919 | head_req->tail); | |
1920 | } | |
1921 | ||
1922 | seq_putc(m, '\n'); | |
1923 | } | |
1924 | ||
fc0412ec | 1925 | intel_runtime_pm_put(dev_priv); |
4ba70e44 OM |
1926 | mutex_unlock(&dev->struct_mutex); |
1927 | ||
1928 | return 0; | |
1929 | } | |
1930 | ||
6d794d42 BW |
1931 | static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data) |
1932 | { | |
9f25d007 | 1933 | struct drm_info_node *node = m->private; |
6d794d42 BW |
1934 | struct drm_device *dev = node->minor->dev; |
1935 | struct drm_i915_private *dev_priv = dev->dev_private; | |
43709ba0 | 1936 | unsigned forcewake_count = 0, fw_rendercount = 0, fw_mediacount = 0; |
6d794d42 | 1937 | |
907b28c5 | 1938 | spin_lock_irq(&dev_priv->uncore.lock); |
43709ba0 D |
1939 | if (IS_VALLEYVIEW(dev)) { |
1940 | fw_rendercount = dev_priv->uncore.fw_rendercount; | |
1941 | fw_mediacount = dev_priv->uncore.fw_mediacount; | |
1942 | } else | |
1943 | forcewake_count = dev_priv->uncore.forcewake_count; | |
907b28c5 | 1944 | spin_unlock_irq(&dev_priv->uncore.lock); |
6d794d42 | 1945 | |
43709ba0 D |
1946 | if (IS_VALLEYVIEW(dev)) { |
1947 | seq_printf(m, "fw_rendercount = %u\n", fw_rendercount); | |
1948 | seq_printf(m, "fw_mediacount = %u\n", fw_mediacount); | |
1949 | } else | |
1950 | seq_printf(m, "forcewake count = %u\n", forcewake_count); | |
6d794d42 BW |
1951 | |
1952 | return 0; | |
1953 | } | |
1954 | ||
ea16a3cd DV |
1955 | static const char *swizzle_string(unsigned swizzle) |
1956 | { | |
aee56cff | 1957 | switch (swizzle) { |
ea16a3cd DV |
1958 | case I915_BIT_6_SWIZZLE_NONE: |
1959 | return "none"; | |
1960 | case I915_BIT_6_SWIZZLE_9: | |
1961 | return "bit9"; | |
1962 | case I915_BIT_6_SWIZZLE_9_10: | |
1963 | return "bit9/bit10"; | |
1964 | case I915_BIT_6_SWIZZLE_9_11: | |
1965 | return "bit9/bit11"; | |
1966 | case I915_BIT_6_SWIZZLE_9_10_11: | |
1967 | return "bit9/bit10/bit11"; | |
1968 | case I915_BIT_6_SWIZZLE_9_17: | |
1969 | return "bit9/bit17"; | |
1970 | case I915_BIT_6_SWIZZLE_9_10_17: | |
1971 | return "bit9/bit10/bit17"; | |
1972 | case I915_BIT_6_SWIZZLE_UNKNOWN: | |
8a168ca7 | 1973 | return "unknown"; |
ea16a3cd DV |
1974 | } |
1975 | ||
1976 | return "bug"; | |
1977 | } | |
1978 | ||
1979 | static int i915_swizzle_info(struct seq_file *m, void *data) | |
1980 | { | |
9f25d007 | 1981 | struct drm_info_node *node = m->private; |
ea16a3cd DV |
1982 | struct drm_device *dev = node->minor->dev; |
1983 | struct drm_i915_private *dev_priv = dev->dev_private; | |
22bcfc6a DV |
1984 | int ret; |
1985 | ||
1986 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1987 | if (ret) | |
1988 | return ret; | |
c8c8fb33 | 1989 | intel_runtime_pm_get(dev_priv); |
ea16a3cd | 1990 | |
ea16a3cd DV |
1991 | seq_printf(m, "bit6 swizzle for X-tiling = %s\n", |
1992 | swizzle_string(dev_priv->mm.bit_6_swizzle_x)); | |
1993 | seq_printf(m, "bit6 swizzle for Y-tiling = %s\n", | |
1994 | swizzle_string(dev_priv->mm.bit_6_swizzle_y)); | |
1995 | ||
1996 | if (IS_GEN3(dev) || IS_GEN4(dev)) { | |
1997 | seq_printf(m, "DDC = 0x%08x\n", | |
1998 | I915_READ(DCC)); | |
656bfa3a DV |
1999 | seq_printf(m, "DDC2 = 0x%08x\n", |
2000 | I915_READ(DCC2)); | |
ea16a3cd DV |
2001 | seq_printf(m, "C0DRB3 = 0x%04x\n", |
2002 | I915_READ16(C0DRB3)); | |
2003 | seq_printf(m, "C1DRB3 = 0x%04x\n", | |
2004 | I915_READ16(C1DRB3)); | |
9d3203e1 | 2005 | } else if (INTEL_INFO(dev)->gen >= 6) { |
3fa7d235 DV |
2006 | seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n", |
2007 | I915_READ(MAD_DIMM_C0)); | |
2008 | seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n", | |
2009 | I915_READ(MAD_DIMM_C1)); | |
2010 | seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n", | |
2011 | I915_READ(MAD_DIMM_C2)); | |
2012 | seq_printf(m, "TILECTL = 0x%08x\n", | |
2013 | I915_READ(TILECTL)); | |
5907f5fb | 2014 | if (INTEL_INFO(dev)->gen >= 8) |
9d3203e1 BW |
2015 | seq_printf(m, "GAMTARBMODE = 0x%08x\n", |
2016 | I915_READ(GAMTARBMODE)); | |
2017 | else | |
2018 | seq_printf(m, "ARB_MODE = 0x%08x\n", | |
2019 | I915_READ(ARB_MODE)); | |
3fa7d235 DV |
2020 | seq_printf(m, "DISP_ARB_CTL = 0x%08x\n", |
2021 | I915_READ(DISP_ARB_CTL)); | |
ea16a3cd | 2022 | } |
656bfa3a DV |
2023 | |
2024 | if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) | |
2025 | seq_puts(m, "L-shaped memory detected\n"); | |
2026 | ||
c8c8fb33 | 2027 | intel_runtime_pm_put(dev_priv); |
ea16a3cd DV |
2028 | mutex_unlock(&dev->struct_mutex); |
2029 | ||
2030 | return 0; | |
2031 | } | |
2032 | ||
1c60fef5 BW |
2033 | static int per_file_ctx(int id, void *ptr, void *data) |
2034 | { | |
273497e5 | 2035 | struct intel_context *ctx = ptr; |
1c60fef5 | 2036 | struct seq_file *m = data; |
ae6c4806 DV |
2037 | struct i915_hw_ppgtt *ppgtt = ctx->ppgtt; |
2038 | ||
2039 | if (!ppgtt) { | |
2040 | seq_printf(m, " no ppgtt for context %d\n", | |
2041 | ctx->user_handle); | |
2042 | return 0; | |
2043 | } | |
1c60fef5 | 2044 | |
f83d6518 OM |
2045 | if (i915_gem_context_is_default(ctx)) |
2046 | seq_puts(m, " default context:\n"); | |
2047 | else | |
821d66dd | 2048 | seq_printf(m, " context %d:\n", ctx->user_handle); |
1c60fef5 BW |
2049 | ppgtt->debug_dump(ppgtt, m); |
2050 | ||
2051 | return 0; | |
2052 | } | |
2053 | ||
77df6772 | 2054 | static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev) |
3cf17fc5 | 2055 | { |
3cf17fc5 | 2056 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 2057 | struct intel_engine_cs *ring; |
77df6772 BW |
2058 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; |
2059 | int unused, i; | |
3cf17fc5 | 2060 | |
77df6772 BW |
2061 | if (!ppgtt) |
2062 | return; | |
2063 | ||
2064 | seq_printf(m, "Page directories: %d\n", ppgtt->num_pd_pages); | |
5abbcca3 | 2065 | seq_printf(m, "Page tables: %d\n", ppgtt->num_pd_entries); |
77df6772 BW |
2066 | for_each_ring(ring, dev_priv, unused) { |
2067 | seq_printf(m, "%s\n", ring->name); | |
2068 | for (i = 0; i < 4; i++) { | |
2069 | u32 offset = 0x270 + i * 8; | |
2070 | u64 pdp = I915_READ(ring->mmio_base + offset + 4); | |
2071 | pdp <<= 32; | |
2072 | pdp |= I915_READ(ring->mmio_base + offset); | |
a2a5b15c | 2073 | seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp); |
77df6772 BW |
2074 | } |
2075 | } | |
2076 | } | |
2077 | ||
2078 | static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev) | |
2079 | { | |
2080 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a4872ba6 | 2081 | struct intel_engine_cs *ring; |
1c60fef5 | 2082 | struct drm_file *file; |
77df6772 | 2083 | int i; |
3cf17fc5 | 2084 | |
3cf17fc5 DV |
2085 | if (INTEL_INFO(dev)->gen == 6) |
2086 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE)); | |
2087 | ||
a2c7f6fd | 2088 | for_each_ring(ring, dev_priv, i) { |
3cf17fc5 DV |
2089 | seq_printf(m, "%s\n", ring->name); |
2090 | if (INTEL_INFO(dev)->gen == 7) | |
2091 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring))); | |
2092 | seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring))); | |
2093 | seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring))); | |
2094 | seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring))); | |
2095 | } | |
2096 | if (dev_priv->mm.aliasing_ppgtt) { | |
2097 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; | |
2098 | ||
267f0c90 | 2099 | seq_puts(m, "aliasing PPGTT:\n"); |
3cf17fc5 | 2100 | seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset); |
1c60fef5 | 2101 | |
87d60b63 | 2102 | ppgtt->debug_dump(ppgtt, m); |
ae6c4806 | 2103 | } |
1c60fef5 BW |
2104 | |
2105 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { | |
2106 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
1c60fef5 | 2107 | |
1c60fef5 BW |
2108 | seq_printf(m, "proc: %s\n", |
2109 | get_pid_task(file->pid, PIDTYPE_PID)->comm); | |
1c60fef5 | 2110 | idr_for_each(&file_priv->context_idr, per_file_ctx, m); |
3cf17fc5 DV |
2111 | } |
2112 | seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); | |
77df6772 BW |
2113 | } |
2114 | ||
2115 | static int i915_ppgtt_info(struct seq_file *m, void *data) | |
2116 | { | |
9f25d007 | 2117 | struct drm_info_node *node = m->private; |
77df6772 | 2118 | struct drm_device *dev = node->minor->dev; |
c8c8fb33 | 2119 | struct drm_i915_private *dev_priv = dev->dev_private; |
77df6772 BW |
2120 | |
2121 | int ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2122 | if (ret) | |
2123 | return ret; | |
c8c8fb33 | 2124 | intel_runtime_pm_get(dev_priv); |
77df6772 BW |
2125 | |
2126 | if (INTEL_INFO(dev)->gen >= 8) | |
2127 | gen8_ppgtt_info(m, dev); | |
2128 | else if (INTEL_INFO(dev)->gen >= 6) | |
2129 | gen6_ppgtt_info(m, dev); | |
2130 | ||
c8c8fb33 | 2131 | intel_runtime_pm_put(dev_priv); |
3cf17fc5 DV |
2132 | mutex_unlock(&dev->struct_mutex); |
2133 | ||
2134 | return 0; | |
2135 | } | |
2136 | ||
63573eb7 BW |
2137 | static int i915_llc(struct seq_file *m, void *data) |
2138 | { | |
9f25d007 | 2139 | struct drm_info_node *node = m->private; |
63573eb7 BW |
2140 | struct drm_device *dev = node->minor->dev; |
2141 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2142 | ||
2143 | /* Size calculation for LLC is a bit of a pain. Ignore for now. */ | |
2144 | seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev))); | |
2145 | seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size); | |
2146 | ||
2147 | return 0; | |
2148 | } | |
2149 | ||
e91fd8c6 RV |
2150 | static int i915_edp_psr_status(struct seq_file *m, void *data) |
2151 | { | |
2152 | struct drm_info_node *node = m->private; | |
2153 | struct drm_device *dev = node->minor->dev; | |
2154 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a031d709 | 2155 | u32 psrperf = 0; |
a6cbdb8e RV |
2156 | u32 stat[3]; |
2157 | enum pipe pipe; | |
a031d709 | 2158 | bool enabled = false; |
e91fd8c6 | 2159 | |
c8c8fb33 PZ |
2160 | intel_runtime_pm_get(dev_priv); |
2161 | ||
fa128fa6 | 2162 | mutex_lock(&dev_priv->psr.lock); |
a031d709 RV |
2163 | seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); |
2164 | seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); | |
2807cf69 | 2165 | seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); |
5755c78f | 2166 | seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); |
fa128fa6 DV |
2167 | seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", |
2168 | dev_priv->psr.busy_frontbuffer_bits); | |
2169 | seq_printf(m, "Re-enable work scheduled: %s\n", | |
2170 | yesno(work_busy(&dev_priv->psr.work.work))); | |
e91fd8c6 | 2171 | |
a6cbdb8e RV |
2172 | if (HAS_PSR(dev)) { |
2173 | if (HAS_DDI(dev)) | |
2174 | enabled = I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE; | |
2175 | else { | |
2176 | for_each_pipe(dev_priv, pipe) { | |
2177 | stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) & | |
2178 | VLV_EDP_PSR_CURR_STATE_MASK; | |
2179 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2180 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2181 | enabled = true; | |
2182 | } | |
2183 | } | |
2184 | } | |
2185 | seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled)); | |
2186 | ||
2187 | if (!HAS_DDI(dev)) | |
2188 | for_each_pipe(dev_priv, pipe) { | |
2189 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2190 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2191 | seq_printf(m, " pipe %c", pipe_name(pipe)); | |
2192 | } | |
2193 | seq_puts(m, "\n"); | |
e91fd8c6 | 2194 | |
a6cbdb8e RV |
2195 | /* CHV PSR has no kind of performance counter */ |
2196 | if (HAS_PSR(dev) && HAS_DDI(dev)) { | |
a031d709 RV |
2197 | psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) & |
2198 | EDP_PSR_PERF_CNT_MASK; | |
a6cbdb8e RV |
2199 | |
2200 | seq_printf(m, "Performance_Counter: %u\n", psrperf); | |
2201 | } | |
fa128fa6 | 2202 | mutex_unlock(&dev_priv->psr.lock); |
e91fd8c6 | 2203 | |
c8c8fb33 | 2204 | intel_runtime_pm_put(dev_priv); |
e91fd8c6 RV |
2205 | return 0; |
2206 | } | |
2207 | ||
d2e216d0 RV |
2208 | static int i915_sink_crc(struct seq_file *m, void *data) |
2209 | { | |
2210 | struct drm_info_node *node = m->private; | |
2211 | struct drm_device *dev = node->minor->dev; | |
2212 | struct intel_encoder *encoder; | |
2213 | struct intel_connector *connector; | |
2214 | struct intel_dp *intel_dp = NULL; | |
2215 | int ret; | |
2216 | u8 crc[6]; | |
2217 | ||
2218 | drm_modeset_lock_all(dev); | |
2219 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
2220 | base.head) { | |
2221 | ||
2222 | if (connector->base.dpms != DRM_MODE_DPMS_ON) | |
2223 | continue; | |
2224 | ||
b6ae3c7c PZ |
2225 | if (!connector->base.encoder) |
2226 | continue; | |
2227 | ||
d2e216d0 RV |
2228 | encoder = to_intel_encoder(connector->base.encoder); |
2229 | if (encoder->type != INTEL_OUTPUT_EDP) | |
2230 | continue; | |
2231 | ||
2232 | intel_dp = enc_to_intel_dp(&encoder->base); | |
2233 | ||
2234 | ret = intel_dp_sink_crc(intel_dp, crc); | |
2235 | if (ret) | |
2236 | goto out; | |
2237 | ||
2238 | seq_printf(m, "%02x%02x%02x%02x%02x%02x\n", | |
2239 | crc[0], crc[1], crc[2], | |
2240 | crc[3], crc[4], crc[5]); | |
2241 | goto out; | |
2242 | } | |
2243 | ret = -ENODEV; | |
2244 | out: | |
2245 | drm_modeset_unlock_all(dev); | |
2246 | return ret; | |
2247 | } | |
2248 | ||
ec013e7f JB |
2249 | static int i915_energy_uJ(struct seq_file *m, void *data) |
2250 | { | |
2251 | struct drm_info_node *node = m->private; | |
2252 | struct drm_device *dev = node->minor->dev; | |
2253 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2254 | u64 power; | |
2255 | u32 units; | |
2256 | ||
2257 | if (INTEL_INFO(dev)->gen < 6) | |
2258 | return -ENODEV; | |
2259 | ||
36623ef8 PZ |
2260 | intel_runtime_pm_get(dev_priv); |
2261 | ||
ec013e7f JB |
2262 | rdmsrl(MSR_RAPL_POWER_UNIT, power); |
2263 | power = (power & 0x1f00) >> 8; | |
2264 | units = 1000000 / (1 << power); /* convert to uJ */ | |
2265 | power = I915_READ(MCH_SECP_NRG_STTS); | |
2266 | power *= units; | |
2267 | ||
36623ef8 PZ |
2268 | intel_runtime_pm_put(dev_priv); |
2269 | ||
ec013e7f | 2270 | seq_printf(m, "%llu", (long long unsigned)power); |
371db66a PZ |
2271 | |
2272 | return 0; | |
2273 | } | |
2274 | ||
2275 | static int i915_pc8_status(struct seq_file *m, void *unused) | |
2276 | { | |
9f25d007 | 2277 | struct drm_info_node *node = m->private; |
371db66a PZ |
2278 | struct drm_device *dev = node->minor->dev; |
2279 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2280 | ||
85b8d5c2 | 2281 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { |
371db66a PZ |
2282 | seq_puts(m, "not supported\n"); |
2283 | return 0; | |
2284 | } | |
2285 | ||
86c4ec0d | 2286 | seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy)); |
371db66a | 2287 | seq_printf(m, "IRQs disabled: %s\n", |
9df7575f | 2288 | yesno(!intel_irqs_enabled(dev_priv))); |
371db66a | 2289 | |
ec013e7f JB |
2290 | return 0; |
2291 | } | |
2292 | ||
1da51581 ID |
2293 | static const char *power_domain_str(enum intel_display_power_domain domain) |
2294 | { | |
2295 | switch (domain) { | |
2296 | case POWER_DOMAIN_PIPE_A: | |
2297 | return "PIPE_A"; | |
2298 | case POWER_DOMAIN_PIPE_B: | |
2299 | return "PIPE_B"; | |
2300 | case POWER_DOMAIN_PIPE_C: | |
2301 | return "PIPE_C"; | |
2302 | case POWER_DOMAIN_PIPE_A_PANEL_FITTER: | |
2303 | return "PIPE_A_PANEL_FITTER"; | |
2304 | case POWER_DOMAIN_PIPE_B_PANEL_FITTER: | |
2305 | return "PIPE_B_PANEL_FITTER"; | |
2306 | case POWER_DOMAIN_PIPE_C_PANEL_FITTER: | |
2307 | return "PIPE_C_PANEL_FITTER"; | |
2308 | case POWER_DOMAIN_TRANSCODER_A: | |
2309 | return "TRANSCODER_A"; | |
2310 | case POWER_DOMAIN_TRANSCODER_B: | |
2311 | return "TRANSCODER_B"; | |
2312 | case POWER_DOMAIN_TRANSCODER_C: | |
2313 | return "TRANSCODER_C"; | |
2314 | case POWER_DOMAIN_TRANSCODER_EDP: | |
2315 | return "TRANSCODER_EDP"; | |
319be8ae ID |
2316 | case POWER_DOMAIN_PORT_DDI_A_2_LANES: |
2317 | return "PORT_DDI_A_2_LANES"; | |
2318 | case POWER_DOMAIN_PORT_DDI_A_4_LANES: | |
2319 | return "PORT_DDI_A_4_LANES"; | |
2320 | case POWER_DOMAIN_PORT_DDI_B_2_LANES: | |
2321 | return "PORT_DDI_B_2_LANES"; | |
2322 | case POWER_DOMAIN_PORT_DDI_B_4_LANES: | |
2323 | return "PORT_DDI_B_4_LANES"; | |
2324 | case POWER_DOMAIN_PORT_DDI_C_2_LANES: | |
2325 | return "PORT_DDI_C_2_LANES"; | |
2326 | case POWER_DOMAIN_PORT_DDI_C_4_LANES: | |
2327 | return "PORT_DDI_C_4_LANES"; | |
2328 | case POWER_DOMAIN_PORT_DDI_D_2_LANES: | |
2329 | return "PORT_DDI_D_2_LANES"; | |
2330 | case POWER_DOMAIN_PORT_DDI_D_4_LANES: | |
2331 | return "PORT_DDI_D_4_LANES"; | |
2332 | case POWER_DOMAIN_PORT_DSI: | |
2333 | return "PORT_DSI"; | |
2334 | case POWER_DOMAIN_PORT_CRT: | |
2335 | return "PORT_CRT"; | |
2336 | case POWER_DOMAIN_PORT_OTHER: | |
2337 | return "PORT_OTHER"; | |
1da51581 ID |
2338 | case POWER_DOMAIN_VGA: |
2339 | return "VGA"; | |
2340 | case POWER_DOMAIN_AUDIO: | |
2341 | return "AUDIO"; | |
bd2bb1b9 PZ |
2342 | case POWER_DOMAIN_PLLS: |
2343 | return "PLLS"; | |
1da51581 ID |
2344 | case POWER_DOMAIN_INIT: |
2345 | return "INIT"; | |
2346 | default: | |
2347 | WARN_ON(1); | |
2348 | return "?"; | |
2349 | } | |
2350 | } | |
2351 | ||
2352 | static int i915_power_domain_info(struct seq_file *m, void *unused) | |
2353 | { | |
9f25d007 | 2354 | struct drm_info_node *node = m->private; |
1da51581 ID |
2355 | struct drm_device *dev = node->minor->dev; |
2356 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2357 | struct i915_power_domains *power_domains = &dev_priv->power_domains; | |
2358 | int i; | |
2359 | ||
2360 | mutex_lock(&power_domains->lock); | |
2361 | ||
2362 | seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count"); | |
2363 | for (i = 0; i < power_domains->power_well_count; i++) { | |
2364 | struct i915_power_well *power_well; | |
2365 | enum intel_display_power_domain power_domain; | |
2366 | ||
2367 | power_well = &power_domains->power_wells[i]; | |
2368 | seq_printf(m, "%-25s %d\n", power_well->name, | |
2369 | power_well->count); | |
2370 | ||
2371 | for (power_domain = 0; power_domain < POWER_DOMAIN_NUM; | |
2372 | power_domain++) { | |
2373 | if (!(BIT(power_domain) & power_well->domains)) | |
2374 | continue; | |
2375 | ||
2376 | seq_printf(m, " %-23s %d\n", | |
2377 | power_domain_str(power_domain), | |
2378 | power_domains->domain_use_count[power_domain]); | |
2379 | } | |
2380 | } | |
2381 | ||
2382 | mutex_unlock(&power_domains->lock); | |
2383 | ||
2384 | return 0; | |
2385 | } | |
2386 | ||
53f5e3ca JB |
2387 | static void intel_seq_print_mode(struct seq_file *m, int tabs, |
2388 | struct drm_display_mode *mode) | |
2389 | { | |
2390 | int i; | |
2391 | ||
2392 | for (i = 0; i < tabs; i++) | |
2393 | seq_putc(m, '\t'); | |
2394 | ||
2395 | 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", | |
2396 | mode->base.id, mode->name, | |
2397 | mode->vrefresh, mode->clock, | |
2398 | mode->hdisplay, mode->hsync_start, | |
2399 | mode->hsync_end, mode->htotal, | |
2400 | mode->vdisplay, mode->vsync_start, | |
2401 | mode->vsync_end, mode->vtotal, | |
2402 | mode->type, mode->flags); | |
2403 | } | |
2404 | ||
2405 | static void intel_encoder_info(struct seq_file *m, | |
2406 | struct intel_crtc *intel_crtc, | |
2407 | struct intel_encoder *intel_encoder) | |
2408 | { | |
9f25d007 | 2409 | struct drm_info_node *node = m->private; |
53f5e3ca JB |
2410 | struct drm_device *dev = node->minor->dev; |
2411 | struct drm_crtc *crtc = &intel_crtc->base; | |
2412 | struct intel_connector *intel_connector; | |
2413 | struct drm_encoder *encoder; | |
2414 | ||
2415 | encoder = &intel_encoder->base; | |
2416 | seq_printf(m, "\tencoder %d: type: %s, connectors:\n", | |
8e329a03 | 2417 | encoder->base.id, encoder->name); |
53f5e3ca JB |
2418 | for_each_connector_on_encoder(dev, encoder, intel_connector) { |
2419 | struct drm_connector *connector = &intel_connector->base; | |
2420 | seq_printf(m, "\t\tconnector %d: type: %s, status: %s", | |
2421 | connector->base.id, | |
c23cc417 | 2422 | connector->name, |
53f5e3ca JB |
2423 | drm_get_connector_status_name(connector->status)); |
2424 | if (connector->status == connector_status_connected) { | |
2425 | struct drm_display_mode *mode = &crtc->mode; | |
2426 | seq_printf(m, ", mode:\n"); | |
2427 | intel_seq_print_mode(m, 2, mode); | |
2428 | } else { | |
2429 | seq_putc(m, '\n'); | |
2430 | } | |
2431 | } | |
2432 | } | |
2433 | ||
2434 | static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
2435 | { | |
9f25d007 | 2436 | struct drm_info_node *node = m->private; |
53f5e3ca JB |
2437 | struct drm_device *dev = node->minor->dev; |
2438 | struct drm_crtc *crtc = &intel_crtc->base; | |
2439 | struct intel_encoder *intel_encoder; | |
2440 | ||
5aa8a937 MR |
2441 | if (crtc->primary->fb) |
2442 | seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n", | |
2443 | crtc->primary->fb->base.id, crtc->x, crtc->y, | |
2444 | crtc->primary->fb->width, crtc->primary->fb->height); | |
2445 | else | |
2446 | seq_puts(m, "\tprimary plane disabled\n"); | |
53f5e3ca JB |
2447 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
2448 | intel_encoder_info(m, intel_crtc, intel_encoder); | |
2449 | } | |
2450 | ||
2451 | static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) | |
2452 | { | |
2453 | struct drm_display_mode *mode = panel->fixed_mode; | |
2454 | ||
2455 | seq_printf(m, "\tfixed mode:\n"); | |
2456 | intel_seq_print_mode(m, 2, mode); | |
2457 | } | |
2458 | ||
2459 | static void intel_dp_info(struct seq_file *m, | |
2460 | struct intel_connector *intel_connector) | |
2461 | { | |
2462 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2463 | struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); | |
2464 | ||
2465 | seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]); | |
2466 | seq_printf(m, "\taudio support: %s\n", intel_dp->has_audio ? "yes" : | |
2467 | "no"); | |
2468 | if (intel_encoder->type == INTEL_OUTPUT_EDP) | |
2469 | intel_panel_info(m, &intel_connector->panel); | |
2470 | } | |
2471 | ||
2472 | static void intel_hdmi_info(struct seq_file *m, | |
2473 | struct intel_connector *intel_connector) | |
2474 | { | |
2475 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2476 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); | |
2477 | ||
2478 | seq_printf(m, "\taudio support: %s\n", intel_hdmi->has_audio ? "yes" : | |
2479 | "no"); | |
2480 | } | |
2481 | ||
2482 | static void intel_lvds_info(struct seq_file *m, | |
2483 | struct intel_connector *intel_connector) | |
2484 | { | |
2485 | intel_panel_info(m, &intel_connector->panel); | |
2486 | } | |
2487 | ||
2488 | static void intel_connector_info(struct seq_file *m, | |
2489 | struct drm_connector *connector) | |
2490 | { | |
2491 | struct intel_connector *intel_connector = to_intel_connector(connector); | |
2492 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
f103fc7d | 2493 | struct drm_display_mode *mode; |
53f5e3ca JB |
2494 | |
2495 | seq_printf(m, "connector %d: type %s, status: %s\n", | |
c23cc417 | 2496 | connector->base.id, connector->name, |
53f5e3ca JB |
2497 | drm_get_connector_status_name(connector->status)); |
2498 | if (connector->status == connector_status_connected) { | |
2499 | seq_printf(m, "\tname: %s\n", connector->display_info.name); | |
2500 | seq_printf(m, "\tphysical dimensions: %dx%dmm\n", | |
2501 | connector->display_info.width_mm, | |
2502 | connector->display_info.height_mm); | |
2503 | seq_printf(m, "\tsubpixel order: %s\n", | |
2504 | drm_get_subpixel_order_name(connector->display_info.subpixel_order)); | |
2505 | seq_printf(m, "\tCEA rev: %d\n", | |
2506 | connector->display_info.cea_rev); | |
2507 | } | |
36cd7444 DA |
2508 | if (intel_encoder) { |
2509 | if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT || | |
2510 | intel_encoder->type == INTEL_OUTPUT_EDP) | |
2511 | intel_dp_info(m, intel_connector); | |
2512 | else if (intel_encoder->type == INTEL_OUTPUT_HDMI) | |
2513 | intel_hdmi_info(m, intel_connector); | |
2514 | else if (intel_encoder->type == INTEL_OUTPUT_LVDS) | |
2515 | intel_lvds_info(m, intel_connector); | |
2516 | } | |
53f5e3ca | 2517 | |
f103fc7d JB |
2518 | seq_printf(m, "\tmodes:\n"); |
2519 | list_for_each_entry(mode, &connector->modes, head) | |
2520 | intel_seq_print_mode(m, 2, mode); | |
53f5e3ca JB |
2521 | } |
2522 | ||
065f2ec2 CW |
2523 | static bool cursor_active(struct drm_device *dev, int pipe) |
2524 | { | |
2525 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2526 | u32 state; | |
2527 | ||
2528 | if (IS_845G(dev) || IS_I865G(dev)) | |
2529 | state = I915_READ(_CURACNTR) & CURSOR_ENABLE; | |
065f2ec2 | 2530 | else |
5efb3e28 | 2531 | state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
065f2ec2 CW |
2532 | |
2533 | return state; | |
2534 | } | |
2535 | ||
2536 | static bool cursor_position(struct drm_device *dev, int pipe, int *x, int *y) | |
2537 | { | |
2538 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2539 | u32 pos; | |
2540 | ||
5efb3e28 | 2541 | pos = I915_READ(CURPOS(pipe)); |
065f2ec2 CW |
2542 | |
2543 | *x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK; | |
2544 | if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT)) | |
2545 | *x = -*x; | |
2546 | ||
2547 | *y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK; | |
2548 | if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT)) | |
2549 | *y = -*y; | |
2550 | ||
2551 | return cursor_active(dev, pipe); | |
2552 | } | |
2553 | ||
53f5e3ca JB |
2554 | static int i915_display_info(struct seq_file *m, void *unused) |
2555 | { | |
9f25d007 | 2556 | struct drm_info_node *node = m->private; |
53f5e3ca | 2557 | struct drm_device *dev = node->minor->dev; |
b0e5ddf3 | 2558 | struct drm_i915_private *dev_priv = dev->dev_private; |
065f2ec2 | 2559 | struct intel_crtc *crtc; |
53f5e3ca JB |
2560 | struct drm_connector *connector; |
2561 | ||
b0e5ddf3 | 2562 | intel_runtime_pm_get(dev_priv); |
53f5e3ca JB |
2563 | drm_modeset_lock_all(dev); |
2564 | seq_printf(m, "CRTC info\n"); | |
2565 | seq_printf(m, "---------\n"); | |
d3fcc808 | 2566 | for_each_intel_crtc(dev, crtc) { |
065f2ec2 CW |
2567 | bool active; |
2568 | int x, y; | |
53f5e3ca | 2569 | |
57127efa | 2570 | seq_printf(m, "CRTC %d: pipe: %c, active=%s (size=%dx%d)\n", |
065f2ec2 | 2571 | crtc->base.base.id, pipe_name(crtc->pipe), |
57127efa | 2572 | yesno(crtc->active), crtc->config.pipe_src_w, crtc->config.pipe_src_h); |
a23dc658 | 2573 | if (crtc->active) { |
065f2ec2 CW |
2574 | intel_crtc_info(m, crtc); |
2575 | ||
a23dc658 | 2576 | active = cursor_position(dev, crtc->pipe, &x, &y); |
57127efa | 2577 | seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n", |
4b0e333e | 2578 | yesno(crtc->cursor_base), |
57127efa CW |
2579 | x, y, crtc->cursor_width, crtc->cursor_height, |
2580 | crtc->cursor_addr, yesno(active)); | |
a23dc658 | 2581 | } |
cace841c DV |
2582 | |
2583 | seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n", | |
2584 | yesno(!crtc->cpu_fifo_underrun_disabled), | |
2585 | yesno(!crtc->pch_fifo_underrun_disabled)); | |
53f5e3ca JB |
2586 | } |
2587 | ||
2588 | seq_printf(m, "\n"); | |
2589 | seq_printf(m, "Connector info\n"); | |
2590 | seq_printf(m, "--------------\n"); | |
2591 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2592 | intel_connector_info(m, connector); | |
2593 | } | |
2594 | drm_modeset_unlock_all(dev); | |
b0e5ddf3 | 2595 | intel_runtime_pm_put(dev_priv); |
53f5e3ca JB |
2596 | |
2597 | return 0; | |
2598 | } | |
2599 | ||
e04934cf BW |
2600 | static int i915_semaphore_status(struct seq_file *m, void *unused) |
2601 | { | |
2602 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
2603 | struct drm_device *dev = node->minor->dev; | |
2604 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2605 | struct intel_engine_cs *ring; | |
2606 | int num_rings = hweight32(INTEL_INFO(dev)->ring_mask); | |
2607 | int i, j, ret; | |
2608 | ||
2609 | if (!i915_semaphore_is_enabled(dev)) { | |
2610 | seq_puts(m, "Semaphores are disabled\n"); | |
2611 | return 0; | |
2612 | } | |
2613 | ||
2614 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2615 | if (ret) | |
2616 | return ret; | |
03872064 | 2617 | intel_runtime_pm_get(dev_priv); |
e04934cf BW |
2618 | |
2619 | if (IS_BROADWELL(dev)) { | |
2620 | struct page *page; | |
2621 | uint64_t *seqno; | |
2622 | ||
2623 | page = i915_gem_object_get_page(dev_priv->semaphore_obj, 0); | |
2624 | ||
2625 | seqno = (uint64_t *)kmap_atomic(page); | |
2626 | for_each_ring(ring, dev_priv, i) { | |
2627 | uint64_t offset; | |
2628 | ||
2629 | seq_printf(m, "%s\n", ring->name); | |
2630 | ||
2631 | seq_puts(m, " Last signal:"); | |
2632 | for (j = 0; j < num_rings; j++) { | |
2633 | offset = i * I915_NUM_RINGS + j; | |
2634 | seq_printf(m, "0x%08llx (0x%02llx) ", | |
2635 | seqno[offset], offset * 8); | |
2636 | } | |
2637 | seq_putc(m, '\n'); | |
2638 | ||
2639 | seq_puts(m, " Last wait: "); | |
2640 | for (j = 0; j < num_rings; j++) { | |
2641 | offset = i + (j * I915_NUM_RINGS); | |
2642 | seq_printf(m, "0x%08llx (0x%02llx) ", | |
2643 | seqno[offset], offset * 8); | |
2644 | } | |
2645 | seq_putc(m, '\n'); | |
2646 | ||
2647 | } | |
2648 | kunmap_atomic(seqno); | |
2649 | } else { | |
2650 | seq_puts(m, " Last signal:"); | |
2651 | for_each_ring(ring, dev_priv, i) | |
2652 | for (j = 0; j < num_rings; j++) | |
2653 | seq_printf(m, "0x%08x\n", | |
2654 | I915_READ(ring->semaphore.mbox.signal[j])); | |
2655 | seq_putc(m, '\n'); | |
2656 | } | |
2657 | ||
2658 | seq_puts(m, "\nSync seqno:\n"); | |
2659 | for_each_ring(ring, dev_priv, i) { | |
2660 | for (j = 0; j < num_rings; j++) { | |
2661 | seq_printf(m, " 0x%08x ", ring->semaphore.sync_seqno[j]); | |
2662 | } | |
2663 | seq_putc(m, '\n'); | |
2664 | } | |
2665 | seq_putc(m, '\n'); | |
2666 | ||
03872064 | 2667 | intel_runtime_pm_put(dev_priv); |
e04934cf BW |
2668 | mutex_unlock(&dev->struct_mutex); |
2669 | return 0; | |
2670 | } | |
2671 | ||
728e29d7 DV |
2672 | static int i915_shared_dplls_info(struct seq_file *m, void *unused) |
2673 | { | |
2674 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
2675 | struct drm_device *dev = node->minor->dev; | |
2676 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2677 | int i; | |
2678 | ||
2679 | drm_modeset_lock_all(dev); | |
2680 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
2681 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
2682 | ||
2683 | seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id); | |
1e6f2ddc | 2684 | seq_printf(m, " crtc_mask: 0x%08x, active: %d, on: %s\n", |
3e369b76 | 2685 | pll->config.crtc_mask, pll->active, yesno(pll->on)); |
728e29d7 | 2686 | seq_printf(m, " tracked hardware state:\n"); |
3e369b76 ACO |
2687 | seq_printf(m, " dpll: 0x%08x\n", pll->config.hw_state.dpll); |
2688 | seq_printf(m, " dpll_md: 0x%08x\n", | |
2689 | pll->config.hw_state.dpll_md); | |
2690 | seq_printf(m, " fp0: 0x%08x\n", pll->config.hw_state.fp0); | |
2691 | seq_printf(m, " fp1: 0x%08x\n", pll->config.hw_state.fp1); | |
2692 | seq_printf(m, " wrpll: 0x%08x\n", pll->config.hw_state.wrpll); | |
728e29d7 DV |
2693 | } |
2694 | drm_modeset_unlock_all(dev); | |
2695 | ||
2696 | return 0; | |
2697 | } | |
2698 | ||
1ed1ef9d | 2699 | static int i915_wa_registers(struct seq_file *m, void *unused) |
888b5995 AS |
2700 | { |
2701 | int i; | |
2702 | int ret; | |
2703 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
2704 | struct drm_device *dev = node->minor->dev; | |
2705 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2706 | ||
888b5995 AS |
2707 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
2708 | if (ret) | |
2709 | return ret; | |
2710 | ||
2711 | intel_runtime_pm_get(dev_priv); | |
2712 | ||
7225342a MK |
2713 | seq_printf(m, "Workarounds applied: %d\n", dev_priv->workarounds.count); |
2714 | for (i = 0; i < dev_priv->workarounds.count; ++i) { | |
2fa60f6d MK |
2715 | u32 addr, mask, value, read; |
2716 | bool ok; | |
888b5995 | 2717 | |
7225342a MK |
2718 | addr = dev_priv->workarounds.reg[i].addr; |
2719 | mask = dev_priv->workarounds.reg[i].mask; | |
2fa60f6d MK |
2720 | value = dev_priv->workarounds.reg[i].value; |
2721 | read = I915_READ(addr); | |
2722 | ok = (value & mask) == (read & mask); | |
2723 | seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n", | |
2724 | addr, value, mask, read, ok ? "OK" : "FAIL"); | |
888b5995 AS |
2725 | } |
2726 | ||
2727 | intel_runtime_pm_put(dev_priv); | |
2728 | mutex_unlock(&dev->struct_mutex); | |
2729 | ||
2730 | return 0; | |
2731 | } | |
2732 | ||
c5511e44 DL |
2733 | static int i915_ddb_info(struct seq_file *m, void *unused) |
2734 | { | |
2735 | struct drm_info_node *node = m->private; | |
2736 | struct drm_device *dev = node->minor->dev; | |
2737 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2738 | struct skl_ddb_allocation *ddb; | |
2739 | struct skl_ddb_entry *entry; | |
2740 | enum pipe pipe; | |
2741 | int plane; | |
2742 | ||
2743 | drm_modeset_lock_all(dev); | |
2744 | ||
2745 | ddb = &dev_priv->wm.skl_hw.ddb; | |
2746 | ||
2747 | seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size"); | |
2748 | ||
2749 | for_each_pipe(dev_priv, pipe) { | |
2750 | seq_printf(m, "Pipe %c\n", pipe_name(pipe)); | |
2751 | ||
2752 | for_each_plane(pipe, plane) { | |
2753 | entry = &ddb->plane[pipe][plane]; | |
2754 | seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1, | |
2755 | entry->start, entry->end, | |
2756 | skl_ddb_entry_size(entry)); | |
2757 | } | |
2758 | ||
2759 | entry = &ddb->cursor[pipe]; | |
2760 | seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start, | |
2761 | entry->end, skl_ddb_entry_size(entry)); | |
2762 | } | |
2763 | ||
2764 | drm_modeset_unlock_all(dev); | |
2765 | ||
2766 | return 0; | |
2767 | } | |
2768 | ||
07144428 DL |
2769 | struct pipe_crc_info { |
2770 | const char *name; | |
2771 | struct drm_device *dev; | |
2772 | enum pipe pipe; | |
2773 | }; | |
2774 | ||
11bed958 DA |
2775 | static int i915_dp_mst_info(struct seq_file *m, void *unused) |
2776 | { | |
2777 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
2778 | struct drm_device *dev = node->minor->dev; | |
2779 | struct drm_encoder *encoder; | |
2780 | struct intel_encoder *intel_encoder; | |
2781 | struct intel_digital_port *intel_dig_port; | |
2782 | drm_modeset_lock_all(dev); | |
2783 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
2784 | intel_encoder = to_intel_encoder(encoder); | |
2785 | if (intel_encoder->type != INTEL_OUTPUT_DISPLAYPORT) | |
2786 | continue; | |
2787 | intel_dig_port = enc_to_dig_port(encoder); | |
2788 | if (!intel_dig_port->dp.can_mst) | |
2789 | continue; | |
2790 | ||
2791 | drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr); | |
2792 | } | |
2793 | drm_modeset_unlock_all(dev); | |
2794 | return 0; | |
2795 | } | |
2796 | ||
07144428 DL |
2797 | static int i915_pipe_crc_open(struct inode *inode, struct file *filep) |
2798 | { | |
be5c7a90 DL |
2799 | struct pipe_crc_info *info = inode->i_private; |
2800 | struct drm_i915_private *dev_priv = info->dev->dev_private; | |
2801 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
2802 | ||
7eb1c496 DV |
2803 | if (info->pipe >= INTEL_INFO(info->dev)->num_pipes) |
2804 | return -ENODEV; | |
2805 | ||
d538bbdf DL |
2806 | spin_lock_irq(&pipe_crc->lock); |
2807 | ||
2808 | if (pipe_crc->opened) { | |
2809 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 DL |
2810 | return -EBUSY; /* already open */ |
2811 | } | |
2812 | ||
d538bbdf | 2813 | pipe_crc->opened = true; |
07144428 DL |
2814 | filep->private_data = inode->i_private; |
2815 | ||
d538bbdf DL |
2816 | spin_unlock_irq(&pipe_crc->lock); |
2817 | ||
07144428 DL |
2818 | return 0; |
2819 | } | |
2820 | ||
2821 | static int i915_pipe_crc_release(struct inode *inode, struct file *filep) | |
2822 | { | |
be5c7a90 DL |
2823 | struct pipe_crc_info *info = inode->i_private; |
2824 | struct drm_i915_private *dev_priv = info->dev->dev_private; | |
2825 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
2826 | ||
d538bbdf DL |
2827 | spin_lock_irq(&pipe_crc->lock); |
2828 | pipe_crc->opened = false; | |
2829 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 | 2830 | |
07144428 DL |
2831 | return 0; |
2832 | } | |
2833 | ||
2834 | /* (6 fields, 8 chars each, space separated (5) + '\n') */ | |
2835 | #define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1) | |
2836 | /* account for \'0' */ | |
2837 | #define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1) | |
2838 | ||
2839 | static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc) | |
8bf1e9f1 | 2840 | { |
d538bbdf DL |
2841 | assert_spin_locked(&pipe_crc->lock); |
2842 | return CIRC_CNT(pipe_crc->head, pipe_crc->tail, | |
2843 | INTEL_PIPE_CRC_ENTRIES_NR); | |
07144428 DL |
2844 | } |
2845 | ||
2846 | static ssize_t | |
2847 | i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count, | |
2848 | loff_t *pos) | |
2849 | { | |
2850 | struct pipe_crc_info *info = filep->private_data; | |
2851 | struct drm_device *dev = info->dev; | |
2852 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2853 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
2854 | char buf[PIPE_CRC_BUFFER_LEN]; | |
2855 | int head, tail, n_entries, n; | |
2856 | ssize_t bytes_read; | |
2857 | ||
2858 | /* | |
2859 | * Don't allow user space to provide buffers not big enough to hold | |
2860 | * a line of data. | |
2861 | */ | |
2862 | if (count < PIPE_CRC_LINE_LEN) | |
2863 | return -EINVAL; | |
2864 | ||
2865 | if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE) | |
8bf1e9f1 | 2866 | return 0; |
07144428 DL |
2867 | |
2868 | /* nothing to read */ | |
d538bbdf | 2869 | spin_lock_irq(&pipe_crc->lock); |
07144428 | 2870 | while (pipe_crc_data_count(pipe_crc) == 0) { |
d538bbdf DL |
2871 | int ret; |
2872 | ||
2873 | if (filep->f_flags & O_NONBLOCK) { | |
2874 | spin_unlock_irq(&pipe_crc->lock); | |
07144428 | 2875 | return -EAGAIN; |
d538bbdf | 2876 | } |
07144428 | 2877 | |
d538bbdf DL |
2878 | ret = wait_event_interruptible_lock_irq(pipe_crc->wq, |
2879 | pipe_crc_data_count(pipe_crc), pipe_crc->lock); | |
2880 | if (ret) { | |
2881 | spin_unlock_irq(&pipe_crc->lock); | |
2882 | return ret; | |
2883 | } | |
8bf1e9f1 SH |
2884 | } |
2885 | ||
07144428 | 2886 | /* We now have one or more entries to read */ |
d538bbdf DL |
2887 | head = pipe_crc->head; |
2888 | tail = pipe_crc->tail; | |
07144428 DL |
2889 | n_entries = min((size_t)CIRC_CNT(head, tail, INTEL_PIPE_CRC_ENTRIES_NR), |
2890 | count / PIPE_CRC_LINE_LEN); | |
d538bbdf DL |
2891 | spin_unlock_irq(&pipe_crc->lock); |
2892 | ||
07144428 DL |
2893 | bytes_read = 0; |
2894 | n = 0; | |
2895 | do { | |
b2c88f5b | 2896 | struct intel_pipe_crc_entry *entry = &pipe_crc->entries[tail]; |
07144428 | 2897 | int ret; |
8bf1e9f1 | 2898 | |
07144428 DL |
2899 | bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN, |
2900 | "%8u %8x %8x %8x %8x %8x\n", | |
2901 | entry->frame, entry->crc[0], | |
2902 | entry->crc[1], entry->crc[2], | |
2903 | entry->crc[3], entry->crc[4]); | |
2904 | ||
2905 | ret = copy_to_user(user_buf + n * PIPE_CRC_LINE_LEN, | |
2906 | buf, PIPE_CRC_LINE_LEN); | |
2907 | if (ret == PIPE_CRC_LINE_LEN) | |
2908 | return -EFAULT; | |
b2c88f5b DL |
2909 | |
2910 | BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR); | |
2911 | tail = (tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1); | |
07144428 DL |
2912 | n++; |
2913 | } while (--n_entries); | |
8bf1e9f1 | 2914 | |
d538bbdf DL |
2915 | spin_lock_irq(&pipe_crc->lock); |
2916 | pipe_crc->tail = tail; | |
2917 | spin_unlock_irq(&pipe_crc->lock); | |
2918 | ||
07144428 DL |
2919 | return bytes_read; |
2920 | } | |
2921 | ||
2922 | static const struct file_operations i915_pipe_crc_fops = { | |
2923 | .owner = THIS_MODULE, | |
2924 | .open = i915_pipe_crc_open, | |
2925 | .read = i915_pipe_crc_read, | |
2926 | .release = i915_pipe_crc_release, | |
2927 | }; | |
2928 | ||
2929 | static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = { | |
2930 | { | |
2931 | .name = "i915_pipe_A_crc", | |
2932 | .pipe = PIPE_A, | |
2933 | }, | |
2934 | { | |
2935 | .name = "i915_pipe_B_crc", | |
2936 | .pipe = PIPE_B, | |
2937 | }, | |
2938 | { | |
2939 | .name = "i915_pipe_C_crc", | |
2940 | .pipe = PIPE_C, | |
2941 | }, | |
2942 | }; | |
2943 | ||
2944 | static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor, | |
2945 | enum pipe pipe) | |
2946 | { | |
2947 | struct drm_device *dev = minor->dev; | |
2948 | struct dentry *ent; | |
2949 | struct pipe_crc_info *info = &i915_pipe_crc_data[pipe]; | |
2950 | ||
2951 | info->dev = dev; | |
2952 | ent = debugfs_create_file(info->name, S_IRUGO, root, info, | |
2953 | &i915_pipe_crc_fops); | |
f3c5fe97 WY |
2954 | if (!ent) |
2955 | return -ENOMEM; | |
07144428 DL |
2956 | |
2957 | return drm_add_fake_info_node(minor, ent, info); | |
8bf1e9f1 SH |
2958 | } |
2959 | ||
e8dfcf78 | 2960 | static const char * const pipe_crc_sources[] = { |
926321d5 DV |
2961 | "none", |
2962 | "plane1", | |
2963 | "plane2", | |
2964 | "pf", | |
5b3a856b | 2965 | "pipe", |
3d099a05 DV |
2966 | "TV", |
2967 | "DP-B", | |
2968 | "DP-C", | |
2969 | "DP-D", | |
46a19188 | 2970 | "auto", |
926321d5 DV |
2971 | }; |
2972 | ||
2973 | static const char *pipe_crc_source_name(enum intel_pipe_crc_source source) | |
2974 | { | |
2975 | BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX); | |
2976 | return pipe_crc_sources[source]; | |
2977 | } | |
2978 | ||
bd9db02f | 2979 | static int display_crc_ctl_show(struct seq_file *m, void *data) |
926321d5 DV |
2980 | { |
2981 | struct drm_device *dev = m->private; | |
2982 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2983 | int i; | |
2984 | ||
2985 | for (i = 0; i < I915_MAX_PIPES; i++) | |
2986 | seq_printf(m, "%c %s\n", pipe_name(i), | |
2987 | pipe_crc_source_name(dev_priv->pipe_crc[i].source)); | |
2988 | ||
2989 | return 0; | |
2990 | } | |
2991 | ||
bd9db02f | 2992 | static int display_crc_ctl_open(struct inode *inode, struct file *file) |
926321d5 DV |
2993 | { |
2994 | struct drm_device *dev = inode->i_private; | |
2995 | ||
bd9db02f | 2996 | return single_open(file, display_crc_ctl_show, dev); |
926321d5 DV |
2997 | } |
2998 | ||
46a19188 | 2999 | static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
52f843f6 DV |
3000 | uint32_t *val) |
3001 | { | |
46a19188 DV |
3002 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
3003 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3004 | ||
3005 | switch (*source) { | |
52f843f6 DV |
3006 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3007 | *val = PIPE_CRC_ENABLE | PIPE_CRC_INCLUDE_BORDER_I8XX; | |
3008 | break; | |
3009 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3010 | *val = 0; | |
3011 | break; | |
3012 | default: | |
3013 | return -EINVAL; | |
3014 | } | |
3015 | ||
3016 | return 0; | |
3017 | } | |
3018 | ||
46a19188 DV |
3019 | static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe, |
3020 | enum intel_pipe_crc_source *source) | |
3021 | { | |
3022 | struct intel_encoder *encoder; | |
3023 | struct intel_crtc *crtc; | |
26756809 | 3024 | struct intel_digital_port *dig_port; |
46a19188 DV |
3025 | int ret = 0; |
3026 | ||
3027 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3028 | ||
6e9f798d | 3029 | drm_modeset_lock_all(dev); |
b2784e15 | 3030 | for_each_intel_encoder(dev, encoder) { |
46a19188 DV |
3031 | if (!encoder->base.crtc) |
3032 | continue; | |
3033 | ||
3034 | crtc = to_intel_crtc(encoder->base.crtc); | |
3035 | ||
3036 | if (crtc->pipe != pipe) | |
3037 | continue; | |
3038 | ||
3039 | switch (encoder->type) { | |
3040 | case INTEL_OUTPUT_TVOUT: | |
3041 | *source = INTEL_PIPE_CRC_SOURCE_TV; | |
3042 | break; | |
3043 | case INTEL_OUTPUT_DISPLAYPORT: | |
3044 | case INTEL_OUTPUT_EDP: | |
26756809 DV |
3045 | dig_port = enc_to_dig_port(&encoder->base); |
3046 | switch (dig_port->port) { | |
3047 | case PORT_B: | |
3048 | *source = INTEL_PIPE_CRC_SOURCE_DP_B; | |
3049 | break; | |
3050 | case PORT_C: | |
3051 | *source = INTEL_PIPE_CRC_SOURCE_DP_C; | |
3052 | break; | |
3053 | case PORT_D: | |
3054 | *source = INTEL_PIPE_CRC_SOURCE_DP_D; | |
3055 | break; | |
3056 | default: | |
3057 | WARN(1, "nonexisting DP port %c\n", | |
3058 | port_name(dig_port->port)); | |
3059 | break; | |
3060 | } | |
46a19188 | 3061 | break; |
6847d71b PZ |
3062 | default: |
3063 | break; | |
46a19188 DV |
3064 | } |
3065 | } | |
6e9f798d | 3066 | drm_modeset_unlock_all(dev); |
46a19188 DV |
3067 | |
3068 | return ret; | |
3069 | } | |
3070 | ||
3071 | static int vlv_pipe_crc_ctl_reg(struct drm_device *dev, | |
3072 | enum pipe pipe, | |
3073 | enum intel_pipe_crc_source *source, | |
7ac0129b DV |
3074 | uint32_t *val) |
3075 | { | |
8d2f24ca DV |
3076 | struct drm_i915_private *dev_priv = dev->dev_private; |
3077 | bool need_stable_symbols = false; | |
3078 | ||
46a19188 DV |
3079 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
3080 | int ret = i9xx_pipe_crc_auto_source(dev, pipe, source); | |
3081 | if (ret) | |
3082 | return ret; | |
3083 | } | |
3084 | ||
3085 | switch (*source) { | |
7ac0129b DV |
3086 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3087 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV; | |
3088 | break; | |
3089 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
3090 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV; | |
8d2f24ca | 3091 | need_stable_symbols = true; |
7ac0129b DV |
3092 | break; |
3093 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
3094 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV; | |
8d2f24ca | 3095 | need_stable_symbols = true; |
7ac0129b DV |
3096 | break; |
3097 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3098 | *val = 0; | |
3099 | break; | |
3100 | default: | |
3101 | return -EINVAL; | |
3102 | } | |
3103 | ||
8d2f24ca DV |
3104 | /* |
3105 | * When the pipe CRC tap point is after the transcoders we need | |
3106 | * to tweak symbol-level features to produce a deterministic series of | |
3107 | * symbols for a given frame. We need to reset those features only once | |
3108 | * a frame (instead of every nth symbol): | |
3109 | * - DC-balance: used to ensure a better clock recovery from the data | |
3110 | * link (SDVO) | |
3111 | * - DisplayPort scrambling: used for EMI reduction | |
3112 | */ | |
3113 | if (need_stable_symbols) { | |
3114 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3115 | ||
8d2f24ca DV |
3116 | tmp |= DC_BALANCE_RESET_VLV; |
3117 | if (pipe == PIPE_A) | |
3118 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
3119 | else | |
3120 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
3121 | ||
3122 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3123 | } | |
3124 | ||
7ac0129b DV |
3125 | return 0; |
3126 | } | |
3127 | ||
4b79ebf7 | 3128 | static int i9xx_pipe_crc_ctl_reg(struct drm_device *dev, |
46a19188 DV |
3129 | enum pipe pipe, |
3130 | enum intel_pipe_crc_source *source, | |
4b79ebf7 DV |
3131 | uint32_t *val) |
3132 | { | |
84093603 DV |
3133 | struct drm_i915_private *dev_priv = dev->dev_private; |
3134 | bool need_stable_symbols = false; | |
3135 | ||
46a19188 DV |
3136 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
3137 | int ret = i9xx_pipe_crc_auto_source(dev, pipe, source); | |
3138 | if (ret) | |
3139 | return ret; | |
3140 | } | |
3141 | ||
3142 | switch (*source) { | |
4b79ebf7 DV |
3143 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3144 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_I9XX; | |
3145 | break; | |
3146 | case INTEL_PIPE_CRC_SOURCE_TV: | |
3147 | if (!SUPPORTS_TV(dev)) | |
3148 | return -EINVAL; | |
3149 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_TV_PRE; | |
3150 | break; | |
3151 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
3152 | if (!IS_G4X(dev)) | |
3153 | return -EINVAL; | |
3154 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_G4X; | |
84093603 | 3155 | need_stable_symbols = true; |
4b79ebf7 DV |
3156 | break; |
3157 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
3158 | if (!IS_G4X(dev)) | |
3159 | return -EINVAL; | |
3160 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_G4X; | |
84093603 | 3161 | need_stable_symbols = true; |
4b79ebf7 DV |
3162 | break; |
3163 | case INTEL_PIPE_CRC_SOURCE_DP_D: | |
3164 | if (!IS_G4X(dev)) | |
3165 | return -EINVAL; | |
3166 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_G4X; | |
84093603 | 3167 | need_stable_symbols = true; |
4b79ebf7 DV |
3168 | break; |
3169 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3170 | *val = 0; | |
3171 | break; | |
3172 | default: | |
3173 | return -EINVAL; | |
3174 | } | |
3175 | ||
84093603 DV |
3176 | /* |
3177 | * When the pipe CRC tap point is after the transcoders we need | |
3178 | * to tweak symbol-level features to produce a deterministic series of | |
3179 | * symbols for a given frame. We need to reset those features only once | |
3180 | * a frame (instead of every nth symbol): | |
3181 | * - DC-balance: used to ensure a better clock recovery from the data | |
3182 | * link (SDVO) | |
3183 | * - DisplayPort scrambling: used for EMI reduction | |
3184 | */ | |
3185 | if (need_stable_symbols) { | |
3186 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3187 | ||
3188 | WARN_ON(!IS_G4X(dev)); | |
3189 | ||
3190 | I915_WRITE(PORT_DFT_I9XX, | |
3191 | I915_READ(PORT_DFT_I9XX) | DC_BALANCE_RESET); | |
3192 | ||
3193 | if (pipe == PIPE_A) | |
3194 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
3195 | else | |
3196 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
3197 | ||
3198 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3199 | } | |
3200 | ||
4b79ebf7 DV |
3201 | return 0; |
3202 | } | |
3203 | ||
8d2f24ca DV |
3204 | static void vlv_undo_pipe_scramble_reset(struct drm_device *dev, |
3205 | enum pipe pipe) | |
3206 | { | |
3207 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3208 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3209 | ||
3210 | if (pipe == PIPE_A) | |
3211 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
3212 | else | |
3213 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
3214 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) | |
3215 | tmp &= ~DC_BALANCE_RESET_VLV; | |
3216 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3217 | ||
3218 | } | |
3219 | ||
84093603 DV |
3220 | static void g4x_undo_pipe_scramble_reset(struct drm_device *dev, |
3221 | enum pipe pipe) | |
3222 | { | |
3223 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3224 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3225 | ||
3226 | if (pipe == PIPE_A) | |
3227 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
3228 | else | |
3229 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
3230 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3231 | ||
3232 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) { | |
3233 | I915_WRITE(PORT_DFT_I9XX, | |
3234 | I915_READ(PORT_DFT_I9XX) & ~DC_BALANCE_RESET); | |
3235 | } | |
3236 | } | |
3237 | ||
46a19188 | 3238 | static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
5b3a856b DV |
3239 | uint32_t *val) |
3240 | { | |
46a19188 DV |
3241 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
3242 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3243 | ||
3244 | switch (*source) { | |
5b3a856b DV |
3245 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
3246 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_ILK; | |
3247 | break; | |
3248 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
3249 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK; | |
3250 | break; | |
5b3a856b DV |
3251 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3252 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK; | |
3253 | break; | |
3d099a05 | 3254 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
3255 | *val = 0; |
3256 | break; | |
3d099a05 DV |
3257 | default: |
3258 | return -EINVAL; | |
5b3a856b DV |
3259 | } |
3260 | ||
3261 | return 0; | |
3262 | } | |
3263 | ||
fabf6e51 DV |
3264 | static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device *dev) |
3265 | { | |
3266 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3267 | struct intel_crtc *crtc = | |
3268 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]); | |
3269 | ||
3270 | drm_modeset_lock_all(dev); | |
3271 | /* | |
3272 | * If we use the eDP transcoder we need to make sure that we don't | |
3273 | * bypass the pfit, since otherwise the pipe CRC source won't work. Only | |
3274 | * relevant on hsw with pipe A when using the always-on power well | |
3275 | * routing. | |
3276 | */ | |
3277 | if (crtc->config.cpu_transcoder == TRANSCODER_EDP && | |
3278 | !crtc->config.pch_pfit.enabled) { | |
3279 | crtc->config.pch_pfit.force_thru = true; | |
3280 | ||
3281 | intel_display_power_get(dev_priv, | |
3282 | POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A)); | |
3283 | ||
3284 | dev_priv->display.crtc_disable(&crtc->base); | |
3285 | dev_priv->display.crtc_enable(&crtc->base); | |
3286 | } | |
3287 | drm_modeset_unlock_all(dev); | |
3288 | } | |
3289 | ||
3290 | static void hsw_undo_trans_edp_pipe_A_crc_wa(struct drm_device *dev) | |
3291 | { | |
3292 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3293 | struct intel_crtc *crtc = | |
3294 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]); | |
3295 | ||
3296 | drm_modeset_lock_all(dev); | |
3297 | /* | |
3298 | * If we use the eDP transcoder we need to make sure that we don't | |
3299 | * bypass the pfit, since otherwise the pipe CRC source won't work. Only | |
3300 | * relevant on hsw with pipe A when using the always-on power well | |
3301 | * routing. | |
3302 | */ | |
3303 | if (crtc->config.pch_pfit.force_thru) { | |
3304 | crtc->config.pch_pfit.force_thru = false; | |
3305 | ||
3306 | dev_priv->display.crtc_disable(&crtc->base); | |
3307 | dev_priv->display.crtc_enable(&crtc->base); | |
3308 | ||
3309 | intel_display_power_put(dev_priv, | |
3310 | POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A)); | |
3311 | } | |
3312 | drm_modeset_unlock_all(dev); | |
3313 | } | |
3314 | ||
3315 | static int ivb_pipe_crc_ctl_reg(struct drm_device *dev, | |
3316 | enum pipe pipe, | |
3317 | enum intel_pipe_crc_source *source, | |
5b3a856b DV |
3318 | uint32_t *val) |
3319 | { | |
46a19188 DV |
3320 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
3321 | *source = INTEL_PIPE_CRC_SOURCE_PF; | |
3322 | ||
3323 | switch (*source) { | |
5b3a856b DV |
3324 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
3325 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB; | |
3326 | break; | |
3327 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
3328 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB; | |
3329 | break; | |
3330 | case INTEL_PIPE_CRC_SOURCE_PF: | |
fabf6e51 DV |
3331 | if (IS_HASWELL(dev) && pipe == PIPE_A) |
3332 | hsw_trans_edp_pipe_A_crc_wa(dev); | |
3333 | ||
5b3a856b DV |
3334 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; |
3335 | break; | |
3d099a05 | 3336 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
3337 | *val = 0; |
3338 | break; | |
3d099a05 DV |
3339 | default: |
3340 | return -EINVAL; | |
5b3a856b DV |
3341 | } |
3342 | ||
3343 | return 0; | |
3344 | } | |
3345 | ||
926321d5 DV |
3346 | static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, |
3347 | enum intel_pipe_crc_source source) | |
3348 | { | |
3349 | struct drm_i915_private *dev_priv = dev->dev_private; | |
cc3da175 | 3350 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
8c740dce PZ |
3351 | struct intel_crtc *crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, |
3352 | pipe)); | |
432f3342 | 3353 | u32 val = 0; /* shut up gcc */ |
5b3a856b | 3354 | int ret; |
926321d5 | 3355 | |
cc3da175 DL |
3356 | if (pipe_crc->source == source) |
3357 | return 0; | |
3358 | ||
ae676fcd DL |
3359 | /* forbid changing the source without going back to 'none' */ |
3360 | if (pipe_crc->source && source) | |
3361 | return -EINVAL; | |
3362 | ||
9d8b0588 DV |
3363 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PIPE(pipe))) { |
3364 | DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n"); | |
3365 | return -EIO; | |
3366 | } | |
3367 | ||
52f843f6 | 3368 | if (IS_GEN2(dev)) |
46a19188 | 3369 | ret = i8xx_pipe_crc_ctl_reg(&source, &val); |
52f843f6 | 3370 | else if (INTEL_INFO(dev)->gen < 5) |
46a19188 | 3371 | ret = i9xx_pipe_crc_ctl_reg(dev, pipe, &source, &val); |
7ac0129b | 3372 | else if (IS_VALLEYVIEW(dev)) |
fabf6e51 | 3373 | ret = vlv_pipe_crc_ctl_reg(dev, pipe, &source, &val); |
4b79ebf7 | 3374 | else if (IS_GEN5(dev) || IS_GEN6(dev)) |
46a19188 | 3375 | ret = ilk_pipe_crc_ctl_reg(&source, &val); |
5b3a856b | 3376 | else |
fabf6e51 | 3377 | ret = ivb_pipe_crc_ctl_reg(dev, pipe, &source, &val); |
5b3a856b DV |
3378 | |
3379 | if (ret != 0) | |
3380 | return ret; | |
3381 | ||
4b584369 DL |
3382 | /* none -> real source transition */ |
3383 | if (source) { | |
7cd6ccff DL |
3384 | DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n", |
3385 | pipe_name(pipe), pipe_crc_source_name(source)); | |
3386 | ||
e5f75aca DL |
3387 | pipe_crc->entries = kzalloc(sizeof(*pipe_crc->entries) * |
3388 | INTEL_PIPE_CRC_ENTRIES_NR, | |
3389 | GFP_KERNEL); | |
3390 | if (!pipe_crc->entries) | |
3391 | return -ENOMEM; | |
3392 | ||
8c740dce PZ |
3393 | /* |
3394 | * When IPS gets enabled, the pipe CRC changes. Since IPS gets | |
3395 | * enabled and disabled dynamically based on package C states, | |
3396 | * user space can't make reliable use of the CRCs, so let's just | |
3397 | * completely disable it. | |
3398 | */ | |
3399 | hsw_disable_ips(crtc); | |
3400 | ||
d538bbdf DL |
3401 | spin_lock_irq(&pipe_crc->lock); |
3402 | pipe_crc->head = 0; | |
3403 | pipe_crc->tail = 0; | |
3404 | spin_unlock_irq(&pipe_crc->lock); | |
4b584369 DL |
3405 | } |
3406 | ||
cc3da175 | 3407 | pipe_crc->source = source; |
926321d5 | 3408 | |
926321d5 DV |
3409 | I915_WRITE(PIPE_CRC_CTL(pipe), val); |
3410 | POSTING_READ(PIPE_CRC_CTL(pipe)); | |
3411 | ||
e5f75aca DL |
3412 | /* real source -> none transition */ |
3413 | if (source == INTEL_PIPE_CRC_SOURCE_NONE) { | |
d538bbdf | 3414 | struct intel_pipe_crc_entry *entries; |
a33d7105 DV |
3415 | struct intel_crtc *crtc = |
3416 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
d538bbdf | 3417 | |
7cd6ccff DL |
3418 | DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n", |
3419 | pipe_name(pipe)); | |
3420 | ||
a33d7105 DV |
3421 | drm_modeset_lock(&crtc->base.mutex, NULL); |
3422 | if (crtc->active) | |
3423 | intel_wait_for_vblank(dev, pipe); | |
3424 | drm_modeset_unlock(&crtc->base.mutex); | |
bcf17ab2 | 3425 | |
d538bbdf DL |
3426 | spin_lock_irq(&pipe_crc->lock); |
3427 | entries = pipe_crc->entries; | |
e5f75aca | 3428 | pipe_crc->entries = NULL; |
d538bbdf DL |
3429 | spin_unlock_irq(&pipe_crc->lock); |
3430 | ||
3431 | kfree(entries); | |
84093603 DV |
3432 | |
3433 | if (IS_G4X(dev)) | |
3434 | g4x_undo_pipe_scramble_reset(dev, pipe); | |
8d2f24ca DV |
3435 | else if (IS_VALLEYVIEW(dev)) |
3436 | vlv_undo_pipe_scramble_reset(dev, pipe); | |
fabf6e51 DV |
3437 | else if (IS_HASWELL(dev) && pipe == PIPE_A) |
3438 | hsw_undo_trans_edp_pipe_A_crc_wa(dev); | |
8c740dce PZ |
3439 | |
3440 | hsw_enable_ips(crtc); | |
e5f75aca DL |
3441 | } |
3442 | ||
926321d5 DV |
3443 | return 0; |
3444 | } | |
3445 | ||
3446 | /* | |
3447 | * Parse pipe CRC command strings: | |
b94dec87 DL |
3448 | * command: wsp* object wsp+ name wsp+ source wsp* |
3449 | * object: 'pipe' | |
3450 | * name: (A | B | C) | |
926321d5 DV |
3451 | * source: (none | plane1 | plane2 | pf) |
3452 | * wsp: (#0x20 | #0x9 | #0xA)+ | |
3453 | * | |
3454 | * eg.: | |
b94dec87 DL |
3455 | * "pipe A plane1" -> Start CRC computations on plane1 of pipe A |
3456 | * "pipe A none" -> Stop CRC | |
926321d5 | 3457 | */ |
bd9db02f | 3458 | static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words) |
926321d5 DV |
3459 | { |
3460 | int n_words = 0; | |
3461 | ||
3462 | while (*buf) { | |
3463 | char *end; | |
3464 | ||
3465 | /* skip leading white space */ | |
3466 | buf = skip_spaces(buf); | |
3467 | if (!*buf) | |
3468 | break; /* end of buffer */ | |
3469 | ||
3470 | /* find end of word */ | |
3471 | for (end = buf; *end && !isspace(*end); end++) | |
3472 | ; | |
3473 | ||
3474 | if (n_words == max_words) { | |
3475 | DRM_DEBUG_DRIVER("too many words, allowed <= %d\n", | |
3476 | max_words); | |
3477 | return -EINVAL; /* ran out of words[] before bytes */ | |
3478 | } | |
3479 | ||
3480 | if (*end) | |
3481 | *end++ = '\0'; | |
3482 | words[n_words++] = buf; | |
3483 | buf = end; | |
3484 | } | |
3485 | ||
3486 | return n_words; | |
3487 | } | |
3488 | ||
b94dec87 DL |
3489 | enum intel_pipe_crc_object { |
3490 | PIPE_CRC_OBJECT_PIPE, | |
3491 | }; | |
3492 | ||
e8dfcf78 | 3493 | static const char * const pipe_crc_objects[] = { |
b94dec87 DL |
3494 | "pipe", |
3495 | }; | |
3496 | ||
3497 | static int | |
bd9db02f | 3498 | display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o) |
b94dec87 DL |
3499 | { |
3500 | int i; | |
3501 | ||
3502 | for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++) | |
3503 | if (!strcmp(buf, pipe_crc_objects[i])) { | |
bd9db02f | 3504 | *o = i; |
b94dec87 DL |
3505 | return 0; |
3506 | } | |
3507 | ||
3508 | return -EINVAL; | |
3509 | } | |
3510 | ||
bd9db02f | 3511 | static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe) |
926321d5 DV |
3512 | { |
3513 | const char name = buf[0]; | |
3514 | ||
3515 | if (name < 'A' || name >= pipe_name(I915_MAX_PIPES)) | |
3516 | return -EINVAL; | |
3517 | ||
3518 | *pipe = name - 'A'; | |
3519 | ||
3520 | return 0; | |
3521 | } | |
3522 | ||
3523 | static int | |
bd9db02f | 3524 | display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s) |
926321d5 DV |
3525 | { |
3526 | int i; | |
3527 | ||
3528 | for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++) | |
3529 | if (!strcmp(buf, pipe_crc_sources[i])) { | |
bd9db02f | 3530 | *s = i; |
926321d5 DV |
3531 | return 0; |
3532 | } | |
3533 | ||
3534 | return -EINVAL; | |
3535 | } | |
3536 | ||
bd9db02f | 3537 | static int display_crc_ctl_parse(struct drm_device *dev, char *buf, size_t len) |
926321d5 | 3538 | { |
b94dec87 | 3539 | #define N_WORDS 3 |
926321d5 | 3540 | int n_words; |
b94dec87 | 3541 | char *words[N_WORDS]; |
926321d5 | 3542 | enum pipe pipe; |
b94dec87 | 3543 | enum intel_pipe_crc_object object; |
926321d5 DV |
3544 | enum intel_pipe_crc_source source; |
3545 | ||
bd9db02f | 3546 | n_words = display_crc_ctl_tokenize(buf, words, N_WORDS); |
b94dec87 DL |
3547 | if (n_words != N_WORDS) { |
3548 | DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n", | |
3549 | N_WORDS); | |
3550 | return -EINVAL; | |
3551 | } | |
3552 | ||
bd9db02f | 3553 | if (display_crc_ctl_parse_object(words[0], &object) < 0) { |
b94dec87 | 3554 | DRM_DEBUG_DRIVER("unknown object %s\n", words[0]); |
926321d5 DV |
3555 | return -EINVAL; |
3556 | } | |
3557 | ||
bd9db02f | 3558 | if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) { |
b94dec87 | 3559 | DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]); |
926321d5 DV |
3560 | return -EINVAL; |
3561 | } | |
3562 | ||
bd9db02f | 3563 | if (display_crc_ctl_parse_source(words[2], &source) < 0) { |
b94dec87 | 3564 | DRM_DEBUG_DRIVER("unknown source %s\n", words[2]); |
926321d5 DV |
3565 | return -EINVAL; |
3566 | } | |
3567 | ||
3568 | return pipe_crc_set_source(dev, pipe, source); | |
3569 | } | |
3570 | ||
bd9db02f DL |
3571 | static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf, |
3572 | size_t len, loff_t *offp) | |
926321d5 DV |
3573 | { |
3574 | struct seq_file *m = file->private_data; | |
3575 | struct drm_device *dev = m->private; | |
3576 | char *tmpbuf; | |
3577 | int ret; | |
3578 | ||
3579 | if (len == 0) | |
3580 | return 0; | |
3581 | ||
3582 | if (len > PAGE_SIZE - 1) { | |
3583 | DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n", | |
3584 | PAGE_SIZE); | |
3585 | return -E2BIG; | |
3586 | } | |
3587 | ||
3588 | tmpbuf = kmalloc(len + 1, GFP_KERNEL); | |
3589 | if (!tmpbuf) | |
3590 | return -ENOMEM; | |
3591 | ||
3592 | if (copy_from_user(tmpbuf, ubuf, len)) { | |
3593 | ret = -EFAULT; | |
3594 | goto out; | |
3595 | } | |
3596 | tmpbuf[len] = '\0'; | |
3597 | ||
bd9db02f | 3598 | ret = display_crc_ctl_parse(dev, tmpbuf, len); |
926321d5 DV |
3599 | |
3600 | out: | |
3601 | kfree(tmpbuf); | |
3602 | if (ret < 0) | |
3603 | return ret; | |
3604 | ||
3605 | *offp += len; | |
3606 | return len; | |
3607 | } | |
3608 | ||
bd9db02f | 3609 | static const struct file_operations i915_display_crc_ctl_fops = { |
926321d5 | 3610 | .owner = THIS_MODULE, |
bd9db02f | 3611 | .open = display_crc_ctl_open, |
926321d5 DV |
3612 | .read = seq_read, |
3613 | .llseek = seq_lseek, | |
3614 | .release = single_release, | |
bd9db02f | 3615 | .write = display_crc_ctl_write |
926321d5 DV |
3616 | }; |
3617 | ||
97e94b22 | 3618 | static void wm_latency_show(struct seq_file *m, const uint16_t wm[8]) |
369a1342 VS |
3619 | { |
3620 | struct drm_device *dev = m->private; | |
546c81fd | 3621 | int num_levels = ilk_wm_max_level(dev) + 1; |
369a1342 VS |
3622 | int level; |
3623 | ||
3624 | drm_modeset_lock_all(dev); | |
3625 | ||
3626 | for (level = 0; level < num_levels; level++) { | |
3627 | unsigned int latency = wm[level]; | |
3628 | ||
97e94b22 DL |
3629 | /* |
3630 | * - WM1+ latency values in 0.5us units | |
3631 | * - latencies are in us on gen9 | |
3632 | */ | |
3633 | if (INTEL_INFO(dev)->gen >= 9) | |
3634 | latency *= 10; | |
3635 | else if (level > 0) | |
369a1342 VS |
3636 | latency *= 5; |
3637 | ||
3638 | seq_printf(m, "WM%d %u (%u.%u usec)\n", | |
97e94b22 | 3639 | level, wm[level], latency / 10, latency % 10); |
369a1342 VS |
3640 | } |
3641 | ||
3642 | drm_modeset_unlock_all(dev); | |
3643 | } | |
3644 | ||
3645 | static int pri_wm_latency_show(struct seq_file *m, void *data) | |
3646 | { | |
3647 | struct drm_device *dev = m->private; | |
97e94b22 DL |
3648 | struct drm_i915_private *dev_priv = dev->dev_private; |
3649 | const uint16_t *latencies; | |
3650 | ||
3651 | if (INTEL_INFO(dev)->gen >= 9) | |
3652 | latencies = dev_priv->wm.skl_latency; | |
3653 | else | |
3654 | latencies = to_i915(dev)->wm.pri_latency; | |
369a1342 | 3655 | |
97e94b22 | 3656 | wm_latency_show(m, latencies); |
369a1342 VS |
3657 | |
3658 | return 0; | |
3659 | } | |
3660 | ||
3661 | static int spr_wm_latency_show(struct seq_file *m, void *data) | |
3662 | { | |
3663 | struct drm_device *dev = m->private; | |
97e94b22 DL |
3664 | struct drm_i915_private *dev_priv = dev->dev_private; |
3665 | const uint16_t *latencies; | |
3666 | ||
3667 | if (INTEL_INFO(dev)->gen >= 9) | |
3668 | latencies = dev_priv->wm.skl_latency; | |
3669 | else | |
3670 | latencies = to_i915(dev)->wm.spr_latency; | |
369a1342 | 3671 | |
97e94b22 | 3672 | wm_latency_show(m, latencies); |
369a1342 VS |
3673 | |
3674 | return 0; | |
3675 | } | |
3676 | ||
3677 | static int cur_wm_latency_show(struct seq_file *m, void *data) | |
3678 | { | |
3679 | struct drm_device *dev = m->private; | |
97e94b22 DL |
3680 | struct drm_i915_private *dev_priv = dev->dev_private; |
3681 | const uint16_t *latencies; | |
3682 | ||
3683 | if (INTEL_INFO(dev)->gen >= 9) | |
3684 | latencies = dev_priv->wm.skl_latency; | |
3685 | else | |
3686 | latencies = to_i915(dev)->wm.cur_latency; | |
369a1342 | 3687 | |
97e94b22 | 3688 | wm_latency_show(m, latencies); |
369a1342 VS |
3689 | |
3690 | return 0; | |
3691 | } | |
3692 | ||
3693 | static int pri_wm_latency_open(struct inode *inode, struct file *file) | |
3694 | { | |
3695 | struct drm_device *dev = inode->i_private; | |
3696 | ||
9ad0257c | 3697 | if (HAS_GMCH_DISPLAY(dev)) |
369a1342 VS |
3698 | return -ENODEV; |
3699 | ||
3700 | return single_open(file, pri_wm_latency_show, dev); | |
3701 | } | |
3702 | ||
3703 | static int spr_wm_latency_open(struct inode *inode, struct file *file) | |
3704 | { | |
3705 | struct drm_device *dev = inode->i_private; | |
3706 | ||
9ad0257c | 3707 | if (HAS_GMCH_DISPLAY(dev)) |
369a1342 VS |
3708 | return -ENODEV; |
3709 | ||
3710 | return single_open(file, spr_wm_latency_show, dev); | |
3711 | } | |
3712 | ||
3713 | static int cur_wm_latency_open(struct inode *inode, struct file *file) | |
3714 | { | |
3715 | struct drm_device *dev = inode->i_private; | |
3716 | ||
9ad0257c | 3717 | if (HAS_GMCH_DISPLAY(dev)) |
369a1342 VS |
3718 | return -ENODEV; |
3719 | ||
3720 | return single_open(file, cur_wm_latency_show, dev); | |
3721 | } | |
3722 | ||
3723 | static ssize_t wm_latency_write(struct file *file, const char __user *ubuf, | |
97e94b22 | 3724 | size_t len, loff_t *offp, uint16_t wm[8]) |
369a1342 VS |
3725 | { |
3726 | struct seq_file *m = file->private_data; | |
3727 | struct drm_device *dev = m->private; | |
97e94b22 | 3728 | uint16_t new[8] = { 0 }; |
546c81fd | 3729 | int num_levels = ilk_wm_max_level(dev) + 1; |
369a1342 VS |
3730 | int level; |
3731 | int ret; | |
3732 | char tmp[32]; | |
3733 | ||
3734 | if (len >= sizeof(tmp)) | |
3735 | return -EINVAL; | |
3736 | ||
3737 | if (copy_from_user(tmp, ubuf, len)) | |
3738 | return -EFAULT; | |
3739 | ||
3740 | tmp[len] = '\0'; | |
3741 | ||
97e94b22 DL |
3742 | ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu", |
3743 | &new[0], &new[1], &new[2], &new[3], | |
3744 | &new[4], &new[5], &new[6], &new[7]); | |
369a1342 VS |
3745 | if (ret != num_levels) |
3746 | return -EINVAL; | |
3747 | ||
3748 | drm_modeset_lock_all(dev); | |
3749 | ||
3750 | for (level = 0; level < num_levels; level++) | |
3751 | wm[level] = new[level]; | |
3752 | ||
3753 | drm_modeset_unlock_all(dev); | |
3754 | ||
3755 | return len; | |
3756 | } | |
3757 | ||
3758 | ||
3759 | static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf, | |
3760 | size_t len, loff_t *offp) | |
3761 | { | |
3762 | struct seq_file *m = file->private_data; | |
3763 | struct drm_device *dev = m->private; | |
97e94b22 DL |
3764 | struct drm_i915_private *dev_priv = dev->dev_private; |
3765 | uint16_t *latencies; | |
369a1342 | 3766 | |
97e94b22 DL |
3767 | if (INTEL_INFO(dev)->gen >= 9) |
3768 | latencies = dev_priv->wm.skl_latency; | |
3769 | else | |
3770 | latencies = to_i915(dev)->wm.pri_latency; | |
3771 | ||
3772 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
3773 | } |
3774 | ||
3775 | static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf, | |
3776 | size_t len, loff_t *offp) | |
3777 | { | |
3778 | struct seq_file *m = file->private_data; | |
3779 | struct drm_device *dev = m->private; | |
97e94b22 DL |
3780 | struct drm_i915_private *dev_priv = dev->dev_private; |
3781 | uint16_t *latencies; | |
369a1342 | 3782 | |
97e94b22 DL |
3783 | if (INTEL_INFO(dev)->gen >= 9) |
3784 | latencies = dev_priv->wm.skl_latency; | |
3785 | else | |
3786 | latencies = to_i915(dev)->wm.spr_latency; | |
3787 | ||
3788 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
3789 | } |
3790 | ||
3791 | static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf, | |
3792 | size_t len, loff_t *offp) | |
3793 | { | |
3794 | struct seq_file *m = file->private_data; | |
3795 | struct drm_device *dev = m->private; | |
97e94b22 DL |
3796 | struct drm_i915_private *dev_priv = dev->dev_private; |
3797 | uint16_t *latencies; | |
3798 | ||
3799 | if (INTEL_INFO(dev)->gen >= 9) | |
3800 | latencies = dev_priv->wm.skl_latency; | |
3801 | else | |
3802 | latencies = to_i915(dev)->wm.cur_latency; | |
369a1342 | 3803 | |
97e94b22 | 3804 | return wm_latency_write(file, ubuf, len, offp, latencies); |
369a1342 VS |
3805 | } |
3806 | ||
3807 | static const struct file_operations i915_pri_wm_latency_fops = { | |
3808 | .owner = THIS_MODULE, | |
3809 | .open = pri_wm_latency_open, | |
3810 | .read = seq_read, | |
3811 | .llseek = seq_lseek, | |
3812 | .release = single_release, | |
3813 | .write = pri_wm_latency_write | |
3814 | }; | |
3815 | ||
3816 | static const struct file_operations i915_spr_wm_latency_fops = { | |
3817 | .owner = THIS_MODULE, | |
3818 | .open = spr_wm_latency_open, | |
3819 | .read = seq_read, | |
3820 | .llseek = seq_lseek, | |
3821 | .release = single_release, | |
3822 | .write = spr_wm_latency_write | |
3823 | }; | |
3824 | ||
3825 | static const struct file_operations i915_cur_wm_latency_fops = { | |
3826 | .owner = THIS_MODULE, | |
3827 | .open = cur_wm_latency_open, | |
3828 | .read = seq_read, | |
3829 | .llseek = seq_lseek, | |
3830 | .release = single_release, | |
3831 | .write = cur_wm_latency_write | |
3832 | }; | |
3833 | ||
647416f9 KC |
3834 | static int |
3835 | i915_wedged_get(void *data, u64 *val) | |
f3cd474b | 3836 | { |
647416f9 | 3837 | struct drm_device *dev = data; |
e277a1f8 | 3838 | struct drm_i915_private *dev_priv = dev->dev_private; |
f3cd474b | 3839 | |
647416f9 | 3840 | *val = atomic_read(&dev_priv->gpu_error.reset_counter); |
f3cd474b | 3841 | |
647416f9 | 3842 | return 0; |
f3cd474b CW |
3843 | } |
3844 | ||
647416f9 KC |
3845 | static int |
3846 | i915_wedged_set(void *data, u64 val) | |
f3cd474b | 3847 | { |
647416f9 | 3848 | struct drm_device *dev = data; |
d46c0517 ID |
3849 | struct drm_i915_private *dev_priv = dev->dev_private; |
3850 | ||
3851 | intel_runtime_pm_get(dev_priv); | |
f3cd474b | 3852 | |
58174462 MK |
3853 | i915_handle_error(dev, val, |
3854 | "Manually setting wedged to %llu", val); | |
d46c0517 ID |
3855 | |
3856 | intel_runtime_pm_put(dev_priv); | |
3857 | ||
647416f9 | 3858 | return 0; |
f3cd474b CW |
3859 | } |
3860 | ||
647416f9 KC |
3861 | DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, |
3862 | i915_wedged_get, i915_wedged_set, | |
3a3b4f98 | 3863 | "%llu\n"); |
f3cd474b | 3864 | |
647416f9 KC |
3865 | static int |
3866 | i915_ring_stop_get(void *data, u64 *val) | |
e5eb3d63 | 3867 | { |
647416f9 | 3868 | struct drm_device *dev = data; |
e277a1f8 | 3869 | struct drm_i915_private *dev_priv = dev->dev_private; |
e5eb3d63 | 3870 | |
647416f9 | 3871 | *val = dev_priv->gpu_error.stop_rings; |
e5eb3d63 | 3872 | |
647416f9 | 3873 | return 0; |
e5eb3d63 DV |
3874 | } |
3875 | ||
647416f9 KC |
3876 | static int |
3877 | i915_ring_stop_set(void *data, u64 val) | |
e5eb3d63 | 3878 | { |
647416f9 | 3879 | struct drm_device *dev = data; |
e5eb3d63 | 3880 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 3881 | int ret; |
e5eb3d63 | 3882 | |
647416f9 | 3883 | DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val); |
e5eb3d63 | 3884 | |
22bcfc6a DV |
3885 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
3886 | if (ret) | |
3887 | return ret; | |
3888 | ||
99584db3 | 3889 | dev_priv->gpu_error.stop_rings = val; |
e5eb3d63 DV |
3890 | mutex_unlock(&dev->struct_mutex); |
3891 | ||
647416f9 | 3892 | return 0; |
e5eb3d63 DV |
3893 | } |
3894 | ||
647416f9 KC |
3895 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops, |
3896 | i915_ring_stop_get, i915_ring_stop_set, | |
3897 | "0x%08llx\n"); | |
d5442303 | 3898 | |
094f9a54 CW |
3899 | static int |
3900 | i915_ring_missed_irq_get(void *data, u64 *val) | |
3901 | { | |
3902 | struct drm_device *dev = data; | |
3903 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3904 | ||
3905 | *val = dev_priv->gpu_error.missed_irq_rings; | |
3906 | return 0; | |
3907 | } | |
3908 | ||
3909 | static int | |
3910 | i915_ring_missed_irq_set(void *data, u64 val) | |
3911 | { | |
3912 | struct drm_device *dev = data; | |
3913 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3914 | int ret; | |
3915 | ||
3916 | /* Lock against concurrent debugfs callers */ | |
3917 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3918 | if (ret) | |
3919 | return ret; | |
3920 | dev_priv->gpu_error.missed_irq_rings = val; | |
3921 | mutex_unlock(&dev->struct_mutex); | |
3922 | ||
3923 | return 0; | |
3924 | } | |
3925 | ||
3926 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops, | |
3927 | i915_ring_missed_irq_get, i915_ring_missed_irq_set, | |
3928 | "0x%08llx\n"); | |
3929 | ||
3930 | static int | |
3931 | i915_ring_test_irq_get(void *data, u64 *val) | |
3932 | { | |
3933 | struct drm_device *dev = data; | |
3934 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3935 | ||
3936 | *val = dev_priv->gpu_error.test_irq_rings; | |
3937 | ||
3938 | return 0; | |
3939 | } | |
3940 | ||
3941 | static int | |
3942 | i915_ring_test_irq_set(void *data, u64 val) | |
3943 | { | |
3944 | struct drm_device *dev = data; | |
3945 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3946 | int ret; | |
3947 | ||
3948 | DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val); | |
3949 | ||
3950 | /* Lock against concurrent debugfs callers */ | |
3951 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3952 | if (ret) | |
3953 | return ret; | |
3954 | ||
3955 | dev_priv->gpu_error.test_irq_rings = val; | |
3956 | mutex_unlock(&dev->struct_mutex); | |
3957 | ||
3958 | return 0; | |
3959 | } | |
3960 | ||
3961 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, | |
3962 | i915_ring_test_irq_get, i915_ring_test_irq_set, | |
3963 | "0x%08llx\n"); | |
3964 | ||
dd624afd CW |
3965 | #define DROP_UNBOUND 0x1 |
3966 | #define DROP_BOUND 0x2 | |
3967 | #define DROP_RETIRE 0x4 | |
3968 | #define DROP_ACTIVE 0x8 | |
3969 | #define DROP_ALL (DROP_UNBOUND | \ | |
3970 | DROP_BOUND | \ | |
3971 | DROP_RETIRE | \ | |
3972 | DROP_ACTIVE) | |
647416f9 KC |
3973 | static int |
3974 | i915_drop_caches_get(void *data, u64 *val) | |
dd624afd | 3975 | { |
647416f9 | 3976 | *val = DROP_ALL; |
dd624afd | 3977 | |
647416f9 | 3978 | return 0; |
dd624afd CW |
3979 | } |
3980 | ||
647416f9 KC |
3981 | static int |
3982 | i915_drop_caches_set(void *data, u64 val) | |
dd624afd | 3983 | { |
647416f9 | 3984 | struct drm_device *dev = data; |
dd624afd | 3985 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 3986 | int ret; |
dd624afd | 3987 | |
2f9fe5ff | 3988 | DRM_DEBUG("Dropping caches: 0x%08llx\n", val); |
dd624afd CW |
3989 | |
3990 | /* No need to check and wait for gpu resets, only libdrm auto-restarts | |
3991 | * on ioctls on -EAGAIN. */ | |
3992 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3993 | if (ret) | |
3994 | return ret; | |
3995 | ||
3996 | if (val & DROP_ACTIVE) { | |
3997 | ret = i915_gpu_idle(dev); | |
3998 | if (ret) | |
3999 | goto unlock; | |
4000 | } | |
4001 | ||
4002 | if (val & (DROP_RETIRE | DROP_ACTIVE)) | |
4003 | i915_gem_retire_requests(dev); | |
4004 | ||
21ab4e74 CW |
4005 | if (val & DROP_BOUND) |
4006 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND); | |
4ad72b7f | 4007 | |
21ab4e74 CW |
4008 | if (val & DROP_UNBOUND) |
4009 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); | |
dd624afd CW |
4010 | |
4011 | unlock: | |
4012 | mutex_unlock(&dev->struct_mutex); | |
4013 | ||
647416f9 | 4014 | return ret; |
dd624afd CW |
4015 | } |
4016 | ||
647416f9 KC |
4017 | DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, |
4018 | i915_drop_caches_get, i915_drop_caches_set, | |
4019 | "0x%08llx\n"); | |
dd624afd | 4020 | |
647416f9 KC |
4021 | static int |
4022 | i915_max_freq_get(void *data, u64 *val) | |
358733e9 | 4023 | { |
647416f9 | 4024 | struct drm_device *dev = data; |
e277a1f8 | 4025 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 4026 | int ret; |
004777cb | 4027 | |
daa3afb2 | 4028 | if (INTEL_INFO(dev)->gen < 6) |
004777cb DV |
4029 | return -ENODEV; |
4030 | ||
5c9669ce TR |
4031 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4032 | ||
4fc688ce | 4033 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4034 | if (ret) |
4035 | return ret; | |
358733e9 | 4036 | |
0a073b84 | 4037 | if (IS_VALLEYVIEW(dev)) |
b39fb297 | 4038 | *val = vlv_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit); |
0a073b84 | 4039 | else |
b39fb297 | 4040 | *val = dev_priv->rps.max_freq_softlimit * GT_FREQUENCY_MULTIPLIER; |
4fc688ce | 4041 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 4042 | |
647416f9 | 4043 | return 0; |
358733e9 JB |
4044 | } |
4045 | ||
647416f9 KC |
4046 | static int |
4047 | i915_max_freq_set(void *data, u64 val) | |
358733e9 | 4048 | { |
647416f9 | 4049 | struct drm_device *dev = data; |
358733e9 | 4050 | struct drm_i915_private *dev_priv = dev->dev_private; |
dd0a1aa1 | 4051 | u32 rp_state_cap, hw_max, hw_min; |
647416f9 | 4052 | int ret; |
004777cb | 4053 | |
daa3afb2 | 4054 | if (INTEL_INFO(dev)->gen < 6) |
004777cb | 4055 | return -ENODEV; |
358733e9 | 4056 | |
5c9669ce TR |
4057 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4058 | ||
647416f9 | 4059 | DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val); |
358733e9 | 4060 | |
4fc688ce | 4061 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4062 | if (ret) |
4063 | return ret; | |
4064 | ||
358733e9 JB |
4065 | /* |
4066 | * Turbo will still be enabled, but won't go above the set value. | |
4067 | */ | |
0a073b84 | 4068 | if (IS_VALLEYVIEW(dev)) { |
2ec3815f | 4069 | val = vlv_freq_opcode(dev_priv, val); |
dd0a1aa1 | 4070 | |
03af2045 VS |
4071 | hw_max = dev_priv->rps.max_freq; |
4072 | hw_min = dev_priv->rps.min_freq; | |
0a073b84 JB |
4073 | } else { |
4074 | do_div(val, GT_FREQUENCY_MULTIPLIER); | |
dd0a1aa1 JM |
4075 | |
4076 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
b39fb297 | 4077 | hw_max = dev_priv->rps.max_freq; |
dd0a1aa1 JM |
4078 | hw_min = (rp_state_cap >> 16) & 0xff; |
4079 | } | |
4080 | ||
b39fb297 | 4081 | if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { |
dd0a1aa1 JM |
4082 | mutex_unlock(&dev_priv->rps.hw_lock); |
4083 | return -EINVAL; | |
0a073b84 JB |
4084 | } |
4085 | ||
b39fb297 | 4086 | dev_priv->rps.max_freq_softlimit = val; |
dd0a1aa1 JM |
4087 | |
4088 | if (IS_VALLEYVIEW(dev)) | |
4089 | valleyview_set_rps(dev, val); | |
4090 | else | |
4091 | gen6_set_rps(dev, val); | |
4092 | ||
4fc688ce | 4093 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 4094 | |
647416f9 | 4095 | return 0; |
358733e9 JB |
4096 | } |
4097 | ||
647416f9 KC |
4098 | DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops, |
4099 | i915_max_freq_get, i915_max_freq_set, | |
3a3b4f98 | 4100 | "%llu\n"); |
358733e9 | 4101 | |
647416f9 KC |
4102 | static int |
4103 | i915_min_freq_get(void *data, u64 *val) | |
1523c310 | 4104 | { |
647416f9 | 4105 | struct drm_device *dev = data; |
e277a1f8 | 4106 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 4107 | int ret; |
004777cb | 4108 | |
daa3afb2 | 4109 | if (INTEL_INFO(dev)->gen < 6) |
004777cb DV |
4110 | return -ENODEV; |
4111 | ||
5c9669ce TR |
4112 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4113 | ||
4fc688ce | 4114 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4115 | if (ret) |
4116 | return ret; | |
1523c310 | 4117 | |
0a073b84 | 4118 | if (IS_VALLEYVIEW(dev)) |
b39fb297 | 4119 | *val = vlv_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit); |
0a073b84 | 4120 | else |
b39fb297 | 4121 | *val = dev_priv->rps.min_freq_softlimit * GT_FREQUENCY_MULTIPLIER; |
4fc688ce | 4122 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 4123 | |
647416f9 | 4124 | return 0; |
1523c310 JB |
4125 | } |
4126 | ||
647416f9 KC |
4127 | static int |
4128 | i915_min_freq_set(void *data, u64 val) | |
1523c310 | 4129 | { |
647416f9 | 4130 | struct drm_device *dev = data; |
1523c310 | 4131 | struct drm_i915_private *dev_priv = dev->dev_private; |
dd0a1aa1 | 4132 | u32 rp_state_cap, hw_max, hw_min; |
647416f9 | 4133 | int ret; |
004777cb | 4134 | |
daa3afb2 | 4135 | if (INTEL_INFO(dev)->gen < 6) |
004777cb | 4136 | return -ENODEV; |
1523c310 | 4137 | |
5c9669ce TR |
4138 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4139 | ||
647416f9 | 4140 | DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val); |
1523c310 | 4141 | |
4fc688ce | 4142 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4143 | if (ret) |
4144 | return ret; | |
4145 | ||
1523c310 JB |
4146 | /* |
4147 | * Turbo will still be enabled, but won't go below the set value. | |
4148 | */ | |
0a073b84 | 4149 | if (IS_VALLEYVIEW(dev)) { |
2ec3815f | 4150 | val = vlv_freq_opcode(dev_priv, val); |
dd0a1aa1 | 4151 | |
03af2045 VS |
4152 | hw_max = dev_priv->rps.max_freq; |
4153 | hw_min = dev_priv->rps.min_freq; | |
0a073b84 JB |
4154 | } else { |
4155 | do_div(val, GT_FREQUENCY_MULTIPLIER); | |
dd0a1aa1 JM |
4156 | |
4157 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
b39fb297 | 4158 | hw_max = dev_priv->rps.max_freq; |
dd0a1aa1 JM |
4159 | hw_min = (rp_state_cap >> 16) & 0xff; |
4160 | } | |
4161 | ||
b39fb297 | 4162 | if (val < hw_min || val > hw_max || val > dev_priv->rps.max_freq_softlimit) { |
dd0a1aa1 JM |
4163 | mutex_unlock(&dev_priv->rps.hw_lock); |
4164 | return -EINVAL; | |
0a073b84 | 4165 | } |
dd0a1aa1 | 4166 | |
b39fb297 | 4167 | dev_priv->rps.min_freq_softlimit = val; |
dd0a1aa1 JM |
4168 | |
4169 | if (IS_VALLEYVIEW(dev)) | |
4170 | valleyview_set_rps(dev, val); | |
4171 | else | |
4172 | gen6_set_rps(dev, val); | |
4173 | ||
4fc688ce | 4174 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 4175 | |
647416f9 | 4176 | return 0; |
1523c310 JB |
4177 | } |
4178 | ||
647416f9 KC |
4179 | DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops, |
4180 | i915_min_freq_get, i915_min_freq_set, | |
3a3b4f98 | 4181 | "%llu\n"); |
1523c310 | 4182 | |
647416f9 KC |
4183 | static int |
4184 | i915_cache_sharing_get(void *data, u64 *val) | |
07b7ddd9 | 4185 | { |
647416f9 | 4186 | struct drm_device *dev = data; |
e277a1f8 | 4187 | struct drm_i915_private *dev_priv = dev->dev_private; |
07b7ddd9 | 4188 | u32 snpcr; |
647416f9 | 4189 | int ret; |
07b7ddd9 | 4190 | |
004777cb DV |
4191 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) |
4192 | return -ENODEV; | |
4193 | ||
22bcfc6a DV |
4194 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
4195 | if (ret) | |
4196 | return ret; | |
c8c8fb33 | 4197 | intel_runtime_pm_get(dev_priv); |
22bcfc6a | 4198 | |
07b7ddd9 | 4199 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); |
c8c8fb33 PZ |
4200 | |
4201 | intel_runtime_pm_put(dev_priv); | |
07b7ddd9 JB |
4202 | mutex_unlock(&dev_priv->dev->struct_mutex); |
4203 | ||
647416f9 | 4204 | *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; |
07b7ddd9 | 4205 | |
647416f9 | 4206 | return 0; |
07b7ddd9 JB |
4207 | } |
4208 | ||
647416f9 KC |
4209 | static int |
4210 | i915_cache_sharing_set(void *data, u64 val) | |
07b7ddd9 | 4211 | { |
647416f9 | 4212 | struct drm_device *dev = data; |
07b7ddd9 | 4213 | struct drm_i915_private *dev_priv = dev->dev_private; |
07b7ddd9 | 4214 | u32 snpcr; |
07b7ddd9 | 4215 | |
004777cb DV |
4216 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) |
4217 | return -ENODEV; | |
4218 | ||
647416f9 | 4219 | if (val > 3) |
07b7ddd9 JB |
4220 | return -EINVAL; |
4221 | ||
c8c8fb33 | 4222 | intel_runtime_pm_get(dev_priv); |
647416f9 | 4223 | DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val); |
07b7ddd9 JB |
4224 | |
4225 | /* Update the cache sharing policy here as well */ | |
4226 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); | |
4227 | snpcr &= ~GEN6_MBC_SNPCR_MASK; | |
4228 | snpcr |= (val << GEN6_MBC_SNPCR_SHIFT); | |
4229 | I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); | |
4230 | ||
c8c8fb33 | 4231 | intel_runtime_pm_put(dev_priv); |
647416f9 | 4232 | return 0; |
07b7ddd9 JB |
4233 | } |
4234 | ||
647416f9 KC |
4235 | DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, |
4236 | i915_cache_sharing_get, i915_cache_sharing_set, | |
4237 | "%llu\n"); | |
07b7ddd9 | 4238 | |
6d794d42 BW |
4239 | static int i915_forcewake_open(struct inode *inode, struct file *file) |
4240 | { | |
4241 | struct drm_device *dev = inode->i_private; | |
4242 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6d794d42 | 4243 | |
075edca4 | 4244 | if (INTEL_INFO(dev)->gen < 6) |
6d794d42 BW |
4245 | return 0; |
4246 | ||
c8d9a590 | 4247 | gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL); |
6d794d42 BW |
4248 | |
4249 | return 0; | |
4250 | } | |
4251 | ||
c43b5634 | 4252 | static int i915_forcewake_release(struct inode *inode, struct file *file) |
6d794d42 BW |
4253 | { |
4254 | struct drm_device *dev = inode->i_private; | |
4255 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4256 | ||
075edca4 | 4257 | if (INTEL_INFO(dev)->gen < 6) |
6d794d42 BW |
4258 | return 0; |
4259 | ||
c8d9a590 | 4260 | gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL); |
6d794d42 BW |
4261 | |
4262 | return 0; | |
4263 | } | |
4264 | ||
4265 | static const struct file_operations i915_forcewake_fops = { | |
4266 | .owner = THIS_MODULE, | |
4267 | .open = i915_forcewake_open, | |
4268 | .release = i915_forcewake_release, | |
4269 | }; | |
4270 | ||
4271 | static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor) | |
4272 | { | |
4273 | struct drm_device *dev = minor->dev; | |
4274 | struct dentry *ent; | |
4275 | ||
4276 | ent = debugfs_create_file("i915_forcewake_user", | |
8eb57294 | 4277 | S_IRUSR, |
6d794d42 BW |
4278 | root, dev, |
4279 | &i915_forcewake_fops); | |
f3c5fe97 WY |
4280 | if (!ent) |
4281 | return -ENOMEM; | |
6d794d42 | 4282 | |
8eb57294 | 4283 | return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops); |
6d794d42 BW |
4284 | } |
4285 | ||
6a9c308d DV |
4286 | static int i915_debugfs_create(struct dentry *root, |
4287 | struct drm_minor *minor, | |
4288 | const char *name, | |
4289 | const struct file_operations *fops) | |
07b7ddd9 JB |
4290 | { |
4291 | struct drm_device *dev = minor->dev; | |
4292 | struct dentry *ent; | |
4293 | ||
6a9c308d | 4294 | ent = debugfs_create_file(name, |
07b7ddd9 JB |
4295 | S_IRUGO | S_IWUSR, |
4296 | root, dev, | |
6a9c308d | 4297 | fops); |
f3c5fe97 WY |
4298 | if (!ent) |
4299 | return -ENOMEM; | |
07b7ddd9 | 4300 | |
6a9c308d | 4301 | return drm_add_fake_info_node(minor, ent, fops); |
07b7ddd9 JB |
4302 | } |
4303 | ||
06c5bf8c | 4304 | static const struct drm_info_list i915_debugfs_list[] = { |
311bd68e | 4305 | {"i915_capabilities", i915_capabilities, 0}, |
73aa808f | 4306 | {"i915_gem_objects", i915_gem_object_info, 0}, |
08c18323 | 4307 | {"i915_gem_gtt", i915_gem_gtt_info, 0}, |
1b50247a | 4308 | {"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST}, |
433e12f7 | 4309 | {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, |
433e12f7 | 4310 | {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, |
6d2b8885 | 4311 | {"i915_gem_stolen", i915_gem_stolen_list_info }, |
4e5359cd | 4312 | {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, |
2017263e BG |
4313 | {"i915_gem_request", i915_gem_request_info, 0}, |
4314 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, | |
a6172a80 | 4315 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, |
2017263e | 4316 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
1ec14ad3 CW |
4317 | {"i915_gem_hws", i915_hws_info, 0, (void *)RCS}, |
4318 | {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS}, | |
4319 | {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS}, | |
9010ebfd | 4320 | {"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS}, |
adb4bd12 | 4321 | {"i915_frequency_info", i915_frequency_info, 0}, |
f97108d1 | 4322 | {"i915_drpc_info", i915_drpc_info, 0}, |
7648fa99 | 4323 | {"i915_emon_status", i915_emon_status, 0}, |
23b2f8bb | 4324 | {"i915_ring_freq_table", i915_ring_freq_table, 0}, |
b5e50c3f | 4325 | {"i915_fbc_status", i915_fbc_status, 0}, |
92d44621 | 4326 | {"i915_ips_status", i915_ips_status, 0}, |
4a9bef37 | 4327 | {"i915_sr_status", i915_sr_status, 0}, |
44834a67 | 4328 | {"i915_opregion", i915_opregion, 0}, |
37811fcc | 4329 | {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, |
e76d3630 | 4330 | {"i915_context_status", i915_context_status, 0}, |
c0ab1ae9 | 4331 | {"i915_dump_lrc", i915_dump_lrc, 0}, |
4ba70e44 | 4332 | {"i915_execlists", i915_execlists, 0}, |
6d794d42 | 4333 | {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0}, |
ea16a3cd | 4334 | {"i915_swizzle_info", i915_swizzle_info, 0}, |
3cf17fc5 | 4335 | {"i915_ppgtt_info", i915_ppgtt_info, 0}, |
63573eb7 | 4336 | {"i915_llc", i915_llc, 0}, |
e91fd8c6 | 4337 | {"i915_edp_psr_status", i915_edp_psr_status, 0}, |
d2e216d0 | 4338 | {"i915_sink_crc_eDP1", i915_sink_crc, 0}, |
ec013e7f | 4339 | {"i915_energy_uJ", i915_energy_uJ, 0}, |
371db66a | 4340 | {"i915_pc8_status", i915_pc8_status, 0}, |
1da51581 | 4341 | {"i915_power_domain_info", i915_power_domain_info, 0}, |
53f5e3ca | 4342 | {"i915_display_info", i915_display_info, 0}, |
e04934cf | 4343 | {"i915_semaphore_status", i915_semaphore_status, 0}, |
728e29d7 | 4344 | {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, |
11bed958 | 4345 | {"i915_dp_mst_info", i915_dp_mst_info, 0}, |
1ed1ef9d | 4346 | {"i915_wa_registers", i915_wa_registers, 0}, |
c5511e44 | 4347 | {"i915_ddb_info", i915_ddb_info, 0}, |
2017263e | 4348 | }; |
27c202ad | 4349 | #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |
2017263e | 4350 | |
06c5bf8c | 4351 | static const struct i915_debugfs_files { |
34b9674c DV |
4352 | const char *name; |
4353 | const struct file_operations *fops; | |
4354 | } i915_debugfs_files[] = { | |
4355 | {"i915_wedged", &i915_wedged_fops}, | |
4356 | {"i915_max_freq", &i915_max_freq_fops}, | |
4357 | {"i915_min_freq", &i915_min_freq_fops}, | |
4358 | {"i915_cache_sharing", &i915_cache_sharing_fops}, | |
4359 | {"i915_ring_stop", &i915_ring_stop_fops}, | |
094f9a54 CW |
4360 | {"i915_ring_missed_irq", &i915_ring_missed_irq_fops}, |
4361 | {"i915_ring_test_irq", &i915_ring_test_irq_fops}, | |
34b9674c DV |
4362 | {"i915_gem_drop_caches", &i915_drop_caches_fops}, |
4363 | {"i915_error_state", &i915_error_state_fops}, | |
4364 | {"i915_next_seqno", &i915_next_seqno_fops}, | |
bd9db02f | 4365 | {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, |
369a1342 VS |
4366 | {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, |
4367 | {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, | |
4368 | {"i915_cur_wm_latency", &i915_cur_wm_latency_fops}, | |
da46f936 | 4369 | {"i915_fbc_false_color", &i915_fbc_fc_fops}, |
34b9674c DV |
4370 | }; |
4371 | ||
07144428 DL |
4372 | void intel_display_crc_init(struct drm_device *dev) |
4373 | { | |
4374 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b378360e | 4375 | enum pipe pipe; |
07144428 | 4376 | |
055e393f | 4377 | for_each_pipe(dev_priv, pipe) { |
b378360e | 4378 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
07144428 | 4379 | |
d538bbdf DL |
4380 | pipe_crc->opened = false; |
4381 | spin_lock_init(&pipe_crc->lock); | |
07144428 DL |
4382 | init_waitqueue_head(&pipe_crc->wq); |
4383 | } | |
4384 | } | |
4385 | ||
27c202ad | 4386 | int i915_debugfs_init(struct drm_minor *minor) |
2017263e | 4387 | { |
34b9674c | 4388 | int ret, i; |
f3cd474b | 4389 | |
6d794d42 | 4390 | ret = i915_forcewake_create(minor->debugfs_root, minor); |
358733e9 JB |
4391 | if (ret) |
4392 | return ret; | |
6a9c308d | 4393 | |
07144428 DL |
4394 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
4395 | ret = i915_pipe_crc_create(minor->debugfs_root, minor, i); | |
4396 | if (ret) | |
4397 | return ret; | |
4398 | } | |
4399 | ||
34b9674c DV |
4400 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
4401 | ret = i915_debugfs_create(minor->debugfs_root, minor, | |
4402 | i915_debugfs_files[i].name, | |
4403 | i915_debugfs_files[i].fops); | |
4404 | if (ret) | |
4405 | return ret; | |
4406 | } | |
40633219 | 4407 | |
27c202ad BG |
4408 | return drm_debugfs_create_files(i915_debugfs_list, |
4409 | I915_DEBUGFS_ENTRIES, | |
2017263e BG |
4410 | minor->debugfs_root, minor); |
4411 | } | |
4412 | ||
27c202ad | 4413 | void i915_debugfs_cleanup(struct drm_minor *minor) |
2017263e | 4414 | { |
34b9674c DV |
4415 | int i; |
4416 | ||
27c202ad BG |
4417 | drm_debugfs_remove_files(i915_debugfs_list, |
4418 | I915_DEBUGFS_ENTRIES, minor); | |
07144428 | 4419 | |
6d794d42 BW |
4420 | drm_debugfs_remove_files((struct drm_info_list *) &i915_forcewake_fops, |
4421 | 1, minor); | |
07144428 | 4422 | |
e309a997 | 4423 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
07144428 DL |
4424 | struct drm_info_list *info_list = |
4425 | (struct drm_info_list *)&i915_pipe_crc_data[i]; | |
4426 | ||
4427 | drm_debugfs_remove_files(info_list, 1, minor); | |
4428 | } | |
4429 | ||
34b9674c DV |
4430 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
4431 | struct drm_info_list *info_list = | |
4432 | (struct drm_info_list *) i915_debugfs_files[i].fops; | |
4433 | ||
4434 | drm_debugfs_remove_files(info_list, 1, minor); | |
4435 | } | |
2017263e | 4436 | } |