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 | { |
05394f39 | 99 | if (obj->user_pin_count > 0) |
a6172a80 | 100 | return "P"; |
d7f46fc4 | 101 | else if (i915_gem_obj_is_pinned(obj)) |
a6172a80 CW |
102 | return "p"; |
103 | else | |
104 | return " "; | |
105 | } | |
106 | ||
05394f39 | 107 | static const char *get_tiling_flag(struct drm_i915_gem_object *obj) |
a6172a80 | 108 | { |
0206e353 AJ |
109 | switch (obj->tiling_mode) { |
110 | default: | |
111 | case I915_TILING_NONE: return " "; | |
112 | case I915_TILING_X: return "X"; | |
113 | case I915_TILING_Y: return "Y"; | |
114 | } | |
a6172a80 CW |
115 | } |
116 | ||
1d693bcc BW |
117 | static inline const char *get_global_flag(struct drm_i915_gem_object *obj) |
118 | { | |
119 | return obj->has_global_gtt_mapping ? "g" : " "; | |
120 | } | |
121 | ||
37811fcc CW |
122 | static void |
123 | describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) | |
124 | { | |
1d693bcc | 125 | struct i915_vma *vma; |
d7f46fc4 BW |
126 | int pin_count = 0; |
127 | ||
fb1ae911 | 128 | seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s", |
37811fcc CW |
129 | &obj->base, |
130 | get_pin_flag(obj), | |
131 | get_tiling_flag(obj), | |
1d693bcc | 132 | get_global_flag(obj), |
a05a5862 | 133 | obj->base.size / 1024, |
37811fcc CW |
134 | obj->base.read_domains, |
135 | obj->base.write_domain, | |
0201f1ec CW |
136 | obj->last_read_seqno, |
137 | obj->last_write_seqno, | |
caea7476 | 138 | obj->last_fenced_seqno, |
84734a04 | 139 | i915_cache_level_str(obj->cache_level), |
37811fcc CW |
140 | obj->dirty ? " dirty" : "", |
141 | obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); | |
142 | if (obj->base.name) | |
143 | seq_printf(m, " (name: %d)", obj->base.name); | |
d7f46fc4 BW |
144 | list_for_each_entry(vma, &obj->vma_list, vma_link) |
145 | if (vma->pin_count > 0) | |
146 | pin_count++; | |
147 | seq_printf(m, " (pinned x %d)", pin_count); | |
cc98b413 CW |
148 | if (obj->pin_display) |
149 | seq_printf(m, " (display)"); | |
37811fcc CW |
150 | if (obj->fence_reg != I915_FENCE_REG_NONE) |
151 | seq_printf(m, " (fence: %d)", obj->fence_reg); | |
1d693bcc BW |
152 | list_for_each_entry(vma, &obj->vma_list, vma_link) { |
153 | if (!i915_is_ggtt(vma->vm)) | |
154 | seq_puts(m, " (pp"); | |
155 | else | |
156 | seq_puts(m, " (g"); | |
157 | seq_printf(m, "gtt offset: %08lx, size: %08lx)", | |
158 | vma->node.start, vma->node.size); | |
159 | } | |
c1ad11fc CW |
160 | if (obj->stolen) |
161 | seq_printf(m, " (stolen: %08lx)", obj->stolen->start); | |
6299f992 CW |
162 | if (obj->pin_mappable || obj->fault_mappable) { |
163 | char s[3], *t = s; | |
164 | if (obj->pin_mappable) | |
165 | *t++ = 'p'; | |
166 | if (obj->fault_mappable) | |
167 | *t++ = 'f'; | |
168 | *t = '\0'; | |
169 | seq_printf(m, " (%s mappable)", s); | |
170 | } | |
69dc4987 CW |
171 | if (obj->ring != NULL) |
172 | seq_printf(m, " (%s)", obj->ring->name); | |
d5a81ef1 DV |
173 | if (obj->frontbuffer_bits) |
174 | seq_printf(m, " (frontbuffer: 0x%03x)", obj->frontbuffer_bits); | |
37811fcc CW |
175 | } |
176 | ||
273497e5 | 177 | static void describe_ctx(struct seq_file *m, struct intel_context *ctx) |
3ccfd19d BW |
178 | { |
179 | seq_putc(m, ctx->is_initialized ? 'I' : 'i'); | |
180 | seq_putc(m, ctx->remap_slice ? 'R' : 'r'); | |
181 | seq_putc(m, ' '); | |
182 | } | |
183 | ||
433e12f7 | 184 | static int i915_gem_object_list_info(struct seq_file *m, void *data) |
2017263e | 185 | { |
9f25d007 | 186 | struct drm_info_node *node = m->private; |
433e12f7 BG |
187 | uintptr_t list = (uintptr_t) node->info_ent->data; |
188 | struct list_head *head; | |
2017263e | 189 | struct drm_device *dev = node->minor->dev; |
5cef07e1 BW |
190 | struct drm_i915_private *dev_priv = dev->dev_private; |
191 | struct i915_address_space *vm = &dev_priv->gtt.base; | |
ca191b13 | 192 | struct i915_vma *vma; |
8f2480fb CW |
193 | size_t total_obj_size, total_gtt_size; |
194 | int count, ret; | |
de227ef0 CW |
195 | |
196 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
197 | if (ret) | |
198 | return ret; | |
2017263e | 199 | |
ca191b13 | 200 | /* FIXME: the user of this interface might want more than just GGTT */ |
433e12f7 BG |
201 | switch (list) { |
202 | case ACTIVE_LIST: | |
267f0c90 | 203 | seq_puts(m, "Active:\n"); |
5cef07e1 | 204 | head = &vm->active_list; |
433e12f7 BG |
205 | break; |
206 | case INACTIVE_LIST: | |
267f0c90 | 207 | seq_puts(m, "Inactive:\n"); |
5cef07e1 | 208 | head = &vm->inactive_list; |
433e12f7 | 209 | break; |
433e12f7 | 210 | default: |
de227ef0 CW |
211 | mutex_unlock(&dev->struct_mutex); |
212 | return -EINVAL; | |
2017263e | 213 | } |
2017263e | 214 | |
8f2480fb | 215 | total_obj_size = total_gtt_size = count = 0; |
ca191b13 BW |
216 | list_for_each_entry(vma, head, mm_list) { |
217 | seq_printf(m, " "); | |
218 | describe_obj(m, vma->obj); | |
219 | seq_printf(m, "\n"); | |
220 | total_obj_size += vma->obj->base.size; | |
221 | total_gtt_size += vma->node.size; | |
8f2480fb | 222 | count++; |
2017263e | 223 | } |
de227ef0 | 224 | mutex_unlock(&dev->struct_mutex); |
5e118f41 | 225 | |
8f2480fb CW |
226 | seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", |
227 | count, total_obj_size, total_gtt_size); | |
2017263e BG |
228 | return 0; |
229 | } | |
230 | ||
6d2b8885 CW |
231 | static int obj_rank_by_stolen(void *priv, |
232 | struct list_head *A, struct list_head *B) | |
233 | { | |
234 | struct drm_i915_gem_object *a = | |
b25cb2f8 | 235 | container_of(A, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 | 236 | struct drm_i915_gem_object *b = |
b25cb2f8 | 237 | container_of(B, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 CW |
238 | |
239 | return a->stolen->start - b->stolen->start; | |
240 | } | |
241 | ||
242 | static int i915_gem_stolen_list_info(struct seq_file *m, void *data) | |
243 | { | |
9f25d007 | 244 | struct drm_info_node *node = m->private; |
6d2b8885 CW |
245 | struct drm_device *dev = node->minor->dev; |
246 | struct drm_i915_private *dev_priv = dev->dev_private; | |
247 | struct drm_i915_gem_object *obj; | |
248 | size_t total_obj_size, total_gtt_size; | |
249 | LIST_HEAD(stolen); | |
250 | int count, ret; | |
251 | ||
252 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
253 | if (ret) | |
254 | return ret; | |
255 | ||
256 | total_obj_size = total_gtt_size = count = 0; | |
257 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { | |
258 | if (obj->stolen == NULL) | |
259 | continue; | |
260 | ||
b25cb2f8 | 261 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
262 | |
263 | total_obj_size += obj->base.size; | |
264 | total_gtt_size += i915_gem_obj_ggtt_size(obj); | |
265 | count++; | |
266 | } | |
267 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { | |
268 | if (obj->stolen == NULL) | |
269 | continue; | |
270 | ||
b25cb2f8 | 271 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
272 | |
273 | total_obj_size += obj->base.size; | |
274 | count++; | |
275 | } | |
276 | list_sort(NULL, &stolen, obj_rank_by_stolen); | |
277 | seq_puts(m, "Stolen:\n"); | |
278 | while (!list_empty(&stolen)) { | |
b25cb2f8 | 279 | obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link); |
6d2b8885 CW |
280 | seq_puts(m, " "); |
281 | describe_obj(m, obj); | |
282 | seq_putc(m, '\n'); | |
b25cb2f8 | 283 | list_del_init(&obj->obj_exec_link); |
6d2b8885 CW |
284 | } |
285 | mutex_unlock(&dev->struct_mutex); | |
286 | ||
287 | seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", | |
288 | count, total_obj_size, total_gtt_size); | |
289 | return 0; | |
290 | } | |
291 | ||
6299f992 CW |
292 | #define count_objects(list, member) do { \ |
293 | list_for_each_entry(obj, list, member) { \ | |
f343c5f6 | 294 | size += i915_gem_obj_ggtt_size(obj); \ |
6299f992 CW |
295 | ++count; \ |
296 | if (obj->map_and_fenceable) { \ | |
f343c5f6 | 297 | mappable_size += i915_gem_obj_ggtt_size(obj); \ |
6299f992 CW |
298 | ++mappable_count; \ |
299 | } \ | |
300 | } \ | |
0206e353 | 301 | } while (0) |
6299f992 | 302 | |
2db8e9d6 | 303 | struct file_stats { |
6313c204 | 304 | struct drm_i915_file_private *file_priv; |
2db8e9d6 | 305 | int count; |
c67a17e9 CW |
306 | size_t total, unbound; |
307 | size_t global, shared; | |
308 | size_t active, inactive; | |
2db8e9d6 CW |
309 | }; |
310 | ||
311 | static int per_file_stats(int id, void *ptr, void *data) | |
312 | { | |
313 | struct drm_i915_gem_object *obj = ptr; | |
314 | struct file_stats *stats = data; | |
6313c204 | 315 | struct i915_vma *vma; |
2db8e9d6 CW |
316 | |
317 | stats->count++; | |
318 | stats->total += obj->base.size; | |
319 | ||
c67a17e9 CW |
320 | if (obj->base.name || obj->base.dma_buf) |
321 | stats->shared += obj->base.size; | |
322 | ||
6313c204 CW |
323 | if (USES_FULL_PPGTT(obj->base.dev)) { |
324 | list_for_each_entry(vma, &obj->vma_list, vma_link) { | |
325 | struct i915_hw_ppgtt *ppgtt; | |
326 | ||
327 | if (!drm_mm_node_allocated(&vma->node)) | |
328 | continue; | |
329 | ||
330 | if (i915_is_ggtt(vma->vm)) { | |
331 | stats->global += obj->base.size; | |
332 | continue; | |
333 | } | |
334 | ||
335 | ppgtt = container_of(vma->vm, struct i915_hw_ppgtt, base); | |
336 | if (ppgtt->ctx && ppgtt->ctx->file_priv != stats->file_priv) | |
337 | continue; | |
338 | ||
339 | if (obj->ring) /* XXX per-vma statistic */ | |
340 | stats->active += obj->base.size; | |
341 | else | |
342 | stats->inactive += obj->base.size; | |
343 | ||
344 | return 0; | |
345 | } | |
2db8e9d6 | 346 | } else { |
6313c204 CW |
347 | if (i915_gem_obj_ggtt_bound(obj)) { |
348 | stats->global += obj->base.size; | |
349 | if (obj->ring) | |
350 | stats->active += obj->base.size; | |
351 | else | |
352 | stats->inactive += obj->base.size; | |
353 | return 0; | |
354 | } | |
2db8e9d6 CW |
355 | } |
356 | ||
6313c204 CW |
357 | if (!list_empty(&obj->global_list)) |
358 | stats->unbound += obj->base.size; | |
359 | ||
2db8e9d6 CW |
360 | return 0; |
361 | } | |
362 | ||
ca191b13 BW |
363 | #define count_vmas(list, member) do { \ |
364 | list_for_each_entry(vma, list, member) { \ | |
365 | size += i915_gem_obj_ggtt_size(vma->obj); \ | |
366 | ++count; \ | |
367 | if (vma->obj->map_and_fenceable) { \ | |
368 | mappable_size += i915_gem_obj_ggtt_size(vma->obj); \ | |
369 | ++mappable_count; \ | |
370 | } \ | |
371 | } \ | |
372 | } while (0) | |
373 | ||
374 | static int i915_gem_object_info(struct seq_file *m, void* data) | |
73aa808f | 375 | { |
9f25d007 | 376 | struct drm_info_node *node = m->private; |
73aa808f CW |
377 | struct drm_device *dev = node->minor->dev; |
378 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b7abb714 CW |
379 | u32 count, mappable_count, purgeable_count; |
380 | size_t size, mappable_size, purgeable_size; | |
6299f992 | 381 | struct drm_i915_gem_object *obj; |
5cef07e1 | 382 | struct i915_address_space *vm = &dev_priv->gtt.base; |
2db8e9d6 | 383 | struct drm_file *file; |
ca191b13 | 384 | struct i915_vma *vma; |
73aa808f CW |
385 | int ret; |
386 | ||
387 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
388 | if (ret) | |
389 | return ret; | |
390 | ||
6299f992 CW |
391 | seq_printf(m, "%u objects, %zu bytes\n", |
392 | dev_priv->mm.object_count, | |
393 | dev_priv->mm.object_memory); | |
394 | ||
395 | size = count = mappable_size = mappable_count = 0; | |
35c20a60 | 396 | count_objects(&dev_priv->mm.bound_list, global_list); |
6299f992 CW |
397 | seq_printf(m, "%u [%u] objects, %zu [%zu] bytes in gtt\n", |
398 | count, mappable_count, size, mappable_size); | |
399 | ||
400 | size = count = mappable_size = mappable_count = 0; | |
ca191b13 | 401 | count_vmas(&vm->active_list, mm_list); |
6299f992 CW |
402 | seq_printf(m, " %u [%u] active objects, %zu [%zu] bytes\n", |
403 | count, mappable_count, size, mappable_size); | |
404 | ||
6299f992 | 405 | size = count = mappable_size = mappable_count = 0; |
ca191b13 | 406 | count_vmas(&vm->inactive_list, mm_list); |
6299f992 CW |
407 | seq_printf(m, " %u [%u] inactive objects, %zu [%zu] bytes\n", |
408 | count, mappable_count, size, mappable_size); | |
409 | ||
b7abb714 | 410 | size = count = purgeable_size = purgeable_count = 0; |
35c20a60 | 411 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { |
6c085a72 | 412 | size += obj->base.size, ++count; |
b7abb714 CW |
413 | if (obj->madv == I915_MADV_DONTNEED) |
414 | purgeable_size += obj->base.size, ++purgeable_count; | |
415 | } | |
6c085a72 CW |
416 | seq_printf(m, "%u unbound objects, %zu bytes\n", count, size); |
417 | ||
6299f992 | 418 | size = count = mappable_size = mappable_count = 0; |
35c20a60 | 419 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
6299f992 | 420 | if (obj->fault_mappable) { |
f343c5f6 | 421 | size += i915_gem_obj_ggtt_size(obj); |
6299f992 CW |
422 | ++count; |
423 | } | |
424 | if (obj->pin_mappable) { | |
f343c5f6 | 425 | mappable_size += i915_gem_obj_ggtt_size(obj); |
6299f992 CW |
426 | ++mappable_count; |
427 | } | |
b7abb714 CW |
428 | if (obj->madv == I915_MADV_DONTNEED) { |
429 | purgeable_size += obj->base.size; | |
430 | ++purgeable_count; | |
431 | } | |
6299f992 | 432 | } |
b7abb714 CW |
433 | seq_printf(m, "%u purgeable objects, %zu bytes\n", |
434 | purgeable_count, purgeable_size); | |
6299f992 CW |
435 | seq_printf(m, "%u pinned mappable objects, %zu bytes\n", |
436 | mappable_count, mappable_size); | |
437 | seq_printf(m, "%u fault mappable objects, %zu bytes\n", | |
438 | count, size); | |
439 | ||
93d18799 | 440 | seq_printf(m, "%zu [%lu] gtt total\n", |
853ba5d2 BW |
441 | dev_priv->gtt.base.total, |
442 | dev_priv->gtt.mappable_end - dev_priv->gtt.base.start); | |
73aa808f | 443 | |
267f0c90 | 444 | seq_putc(m, '\n'); |
2db8e9d6 CW |
445 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
446 | struct file_stats stats; | |
3ec2f427 | 447 | struct task_struct *task; |
2db8e9d6 CW |
448 | |
449 | memset(&stats, 0, sizeof(stats)); | |
6313c204 | 450 | stats.file_priv = file->driver_priv; |
5b5ffff0 | 451 | spin_lock(&file->table_lock); |
2db8e9d6 | 452 | idr_for_each(&file->object_idr, per_file_stats, &stats); |
5b5ffff0 | 453 | spin_unlock(&file->table_lock); |
3ec2f427 TH |
454 | /* |
455 | * Although we have a valid reference on file->pid, that does | |
456 | * not guarantee that the task_struct who called get_pid() is | |
457 | * still alive (e.g. get_pid(current) => fork() => exit()). | |
458 | * Therefore, we need to protect this ->comm access using RCU. | |
459 | */ | |
460 | rcu_read_lock(); | |
461 | task = pid_task(file->pid, PIDTYPE_PID); | |
c67a17e9 | 462 | seq_printf(m, "%s: %u objects, %zu bytes (%zu active, %zu inactive, %zu global, %zu shared, %zu unbound)\n", |
3ec2f427 | 463 | task ? task->comm : "<unknown>", |
2db8e9d6 CW |
464 | stats.count, |
465 | stats.total, | |
466 | stats.active, | |
467 | stats.inactive, | |
6313c204 | 468 | stats.global, |
c67a17e9 | 469 | stats.shared, |
2db8e9d6 | 470 | stats.unbound); |
3ec2f427 | 471 | rcu_read_unlock(); |
2db8e9d6 CW |
472 | } |
473 | ||
73aa808f CW |
474 | mutex_unlock(&dev->struct_mutex); |
475 | ||
476 | return 0; | |
477 | } | |
478 | ||
aee56cff | 479 | static int i915_gem_gtt_info(struct seq_file *m, void *data) |
08c18323 | 480 | { |
9f25d007 | 481 | struct drm_info_node *node = m->private; |
08c18323 | 482 | struct drm_device *dev = node->minor->dev; |
1b50247a | 483 | uintptr_t list = (uintptr_t) node->info_ent->data; |
08c18323 CW |
484 | struct drm_i915_private *dev_priv = dev->dev_private; |
485 | struct drm_i915_gem_object *obj; | |
486 | size_t total_obj_size, total_gtt_size; | |
487 | int count, ret; | |
488 | ||
489 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
490 | if (ret) | |
491 | return ret; | |
492 | ||
493 | total_obj_size = total_gtt_size = count = 0; | |
35c20a60 | 494 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
d7f46fc4 | 495 | if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj)) |
1b50247a CW |
496 | continue; |
497 | ||
267f0c90 | 498 | seq_puts(m, " "); |
08c18323 | 499 | describe_obj(m, obj); |
267f0c90 | 500 | seq_putc(m, '\n'); |
08c18323 | 501 | total_obj_size += obj->base.size; |
f343c5f6 | 502 | total_gtt_size += i915_gem_obj_ggtt_size(obj); |
08c18323 CW |
503 | count++; |
504 | } | |
505 | ||
506 | mutex_unlock(&dev->struct_mutex); | |
507 | ||
508 | seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n", | |
509 | count, total_obj_size, total_gtt_size); | |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
4e5359cd SF |
514 | static int i915_gem_pageflip_info(struct seq_file *m, void *data) |
515 | { | |
9f25d007 | 516 | struct drm_info_node *node = m->private; |
4e5359cd SF |
517 | struct drm_device *dev = node->minor->dev; |
518 | unsigned long flags; | |
519 | struct intel_crtc *crtc; | |
8a270ebf DV |
520 | int ret; |
521 | ||
522 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
523 | if (ret) | |
524 | return ret; | |
4e5359cd | 525 | |
d3fcc808 | 526 | for_each_intel_crtc(dev, crtc) { |
9db4a9c7 JB |
527 | const char pipe = pipe_name(crtc->pipe); |
528 | const char plane = plane_name(crtc->plane); | |
4e5359cd SF |
529 | struct intel_unpin_work *work; |
530 | ||
531 | spin_lock_irqsave(&dev->event_lock, flags); | |
532 | work = crtc->unpin_work; | |
533 | if (work == NULL) { | |
9db4a9c7 | 534 | seq_printf(m, "No flip due on pipe %c (plane %c)\n", |
4e5359cd SF |
535 | pipe, plane); |
536 | } else { | |
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 | } | |
544 | if (work->enable_stall_check) | |
267f0c90 | 545 | seq_puts(m, "Stall check enabled, "); |
4e5359cd | 546 | else |
267f0c90 | 547 | seq_puts(m, "Stall check waiting for page flip ioctl, "); |
e7d841ca | 548 | seq_printf(m, "%d prepares\n", atomic_read(&work->pending)); |
4e5359cd SF |
549 | |
550 | if (work->old_fb_obj) { | |
05394f39 CW |
551 | struct drm_i915_gem_object *obj = work->old_fb_obj; |
552 | if (obj) | |
f343c5f6 BW |
553 | seq_printf(m, "Old framebuffer gtt_offset 0x%08lx\n", |
554 | i915_gem_obj_ggtt_offset(obj)); | |
4e5359cd SF |
555 | } |
556 | if (work->pending_flip_obj) { | |
05394f39 CW |
557 | struct drm_i915_gem_object *obj = work->pending_flip_obj; |
558 | if (obj) | |
f343c5f6 BW |
559 | seq_printf(m, "New framebuffer gtt_offset 0x%08lx\n", |
560 | i915_gem_obj_ggtt_offset(obj)); | |
4e5359cd SF |
561 | } |
562 | } | |
563 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
564 | } | |
565 | ||
8a270ebf DV |
566 | mutex_unlock(&dev->struct_mutex); |
567 | ||
4e5359cd SF |
568 | return 0; |
569 | } | |
570 | ||
2017263e BG |
571 | static int i915_gem_request_info(struct seq_file *m, void *data) |
572 | { | |
9f25d007 | 573 | struct drm_info_node *node = m->private; |
2017263e | 574 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 575 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 576 | struct intel_engine_cs *ring; |
2017263e | 577 | struct drm_i915_gem_request *gem_request; |
a2c7f6fd | 578 | int ret, count, i; |
de227ef0 CW |
579 | |
580 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
581 | if (ret) | |
582 | return ret; | |
2017263e | 583 | |
c2c347a9 | 584 | count = 0; |
a2c7f6fd CW |
585 | for_each_ring(ring, dev_priv, i) { |
586 | if (list_empty(&ring->request_list)) | |
587 | continue; | |
588 | ||
589 | seq_printf(m, "%s requests:\n", ring->name); | |
c2c347a9 | 590 | list_for_each_entry(gem_request, |
a2c7f6fd | 591 | &ring->request_list, |
c2c347a9 CW |
592 | list) { |
593 | seq_printf(m, " %d @ %d\n", | |
594 | gem_request->seqno, | |
595 | (int) (jiffies - gem_request->emitted_jiffies)); | |
596 | } | |
597 | count++; | |
2017263e | 598 | } |
de227ef0 CW |
599 | mutex_unlock(&dev->struct_mutex); |
600 | ||
c2c347a9 | 601 | if (count == 0) |
267f0c90 | 602 | seq_puts(m, "No requests\n"); |
c2c347a9 | 603 | |
2017263e BG |
604 | return 0; |
605 | } | |
606 | ||
b2223497 | 607 | static void i915_ring_seqno_info(struct seq_file *m, |
a4872ba6 | 608 | struct intel_engine_cs *ring) |
b2223497 CW |
609 | { |
610 | if (ring->get_seqno) { | |
43a7b924 | 611 | seq_printf(m, "Current sequence (%s): %u\n", |
b2eadbc8 | 612 | ring->name, ring->get_seqno(ring, false)); |
b2223497 CW |
613 | } |
614 | } | |
615 | ||
2017263e BG |
616 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
617 | { | |
9f25d007 | 618 | struct drm_info_node *node = m->private; |
2017263e | 619 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 620 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 621 | struct intel_engine_cs *ring; |
1ec14ad3 | 622 | int ret, i; |
de227ef0 CW |
623 | |
624 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
625 | if (ret) | |
626 | return ret; | |
c8c8fb33 | 627 | intel_runtime_pm_get(dev_priv); |
2017263e | 628 | |
a2c7f6fd CW |
629 | for_each_ring(ring, dev_priv, i) |
630 | i915_ring_seqno_info(m, ring); | |
de227ef0 | 631 | |
c8c8fb33 | 632 | intel_runtime_pm_put(dev_priv); |
de227ef0 CW |
633 | mutex_unlock(&dev->struct_mutex); |
634 | ||
2017263e BG |
635 | return 0; |
636 | } | |
637 | ||
638 | ||
639 | static int i915_interrupt_info(struct seq_file *m, void *data) | |
640 | { | |
9f25d007 | 641 | struct drm_info_node *node = m->private; |
2017263e | 642 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 643 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 644 | struct intel_engine_cs *ring; |
9db4a9c7 | 645 | int ret, i, pipe; |
de227ef0 CW |
646 | |
647 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
648 | if (ret) | |
649 | return ret; | |
c8c8fb33 | 650 | intel_runtime_pm_get(dev_priv); |
2017263e | 651 | |
74e1ca8c VS |
652 | if (IS_CHERRYVIEW(dev)) { |
653 | int i; | |
654 | seq_printf(m, "Master Interrupt Control:\t%08x\n", | |
655 | I915_READ(GEN8_MASTER_IRQ)); | |
656 | ||
657 | seq_printf(m, "Display IER:\t%08x\n", | |
658 | I915_READ(VLV_IER)); | |
659 | seq_printf(m, "Display IIR:\t%08x\n", | |
660 | I915_READ(VLV_IIR)); | |
661 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
662 | I915_READ(VLV_IIR_RW)); | |
663 | seq_printf(m, "Display IMR:\t%08x\n", | |
664 | I915_READ(VLV_IMR)); | |
665 | for_each_pipe(pipe) | |
666 | seq_printf(m, "Pipe %c stat:\t%08x\n", | |
667 | pipe_name(pipe), | |
668 | I915_READ(PIPESTAT(pipe))); | |
669 | ||
670 | seq_printf(m, "Port hotplug:\t%08x\n", | |
671 | I915_READ(PORT_HOTPLUG_EN)); | |
672 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
673 | I915_READ(VLV_DPFLIPSTAT)); | |
674 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
675 | I915_READ(DPINVGTT)); | |
676 | ||
677 | for (i = 0; i < 4; i++) { | |
678 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
679 | i, I915_READ(GEN8_GT_IMR(i))); | |
680 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
681 | i, I915_READ(GEN8_GT_IIR(i))); | |
682 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
683 | i, I915_READ(GEN8_GT_IER(i))); | |
684 | } | |
685 | ||
686 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
687 | I915_READ(GEN8_PCU_IMR)); | |
688 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
689 | I915_READ(GEN8_PCU_IIR)); | |
690 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
691 | I915_READ(GEN8_PCU_IER)); | |
692 | } else if (INTEL_INFO(dev)->gen >= 8) { | |
a123f157 BW |
693 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
694 | I915_READ(GEN8_MASTER_IRQ)); | |
695 | ||
696 | for (i = 0; i < 4; i++) { | |
697 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
698 | i, I915_READ(GEN8_GT_IMR(i))); | |
699 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
700 | i, I915_READ(GEN8_GT_IIR(i))); | |
701 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
702 | i, I915_READ(GEN8_GT_IER(i))); | |
703 | } | |
704 | ||
07d27e20 | 705 | for_each_pipe(pipe) { |
a123f157 | 706 | seq_printf(m, "Pipe %c IMR:\t%08x\n", |
07d27e20 DL |
707 | pipe_name(pipe), |
708 | I915_READ(GEN8_DE_PIPE_IMR(pipe))); | |
a123f157 | 709 | seq_printf(m, "Pipe %c IIR:\t%08x\n", |
07d27e20 DL |
710 | pipe_name(pipe), |
711 | I915_READ(GEN8_DE_PIPE_IIR(pipe))); | |
a123f157 | 712 | seq_printf(m, "Pipe %c IER:\t%08x\n", |
07d27e20 DL |
713 | pipe_name(pipe), |
714 | I915_READ(GEN8_DE_PIPE_IER(pipe))); | |
a123f157 BW |
715 | } |
716 | ||
717 | seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", | |
718 | I915_READ(GEN8_DE_PORT_IMR)); | |
719 | seq_printf(m, "Display Engine port interrupt identity:\t%08x\n", | |
720 | I915_READ(GEN8_DE_PORT_IIR)); | |
721 | seq_printf(m, "Display Engine port interrupt enable:\t%08x\n", | |
722 | I915_READ(GEN8_DE_PORT_IER)); | |
723 | ||
724 | seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n", | |
725 | I915_READ(GEN8_DE_MISC_IMR)); | |
726 | seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n", | |
727 | I915_READ(GEN8_DE_MISC_IIR)); | |
728 | seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n", | |
729 | I915_READ(GEN8_DE_MISC_IER)); | |
730 | ||
731 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
732 | I915_READ(GEN8_PCU_IMR)); | |
733 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
734 | I915_READ(GEN8_PCU_IIR)); | |
735 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
736 | I915_READ(GEN8_PCU_IER)); | |
737 | } else if (IS_VALLEYVIEW(dev)) { | |
7e231dbe JB |
738 | seq_printf(m, "Display IER:\t%08x\n", |
739 | I915_READ(VLV_IER)); | |
740 | seq_printf(m, "Display IIR:\t%08x\n", | |
741 | I915_READ(VLV_IIR)); | |
742 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
743 | I915_READ(VLV_IIR_RW)); | |
744 | seq_printf(m, "Display IMR:\t%08x\n", | |
745 | I915_READ(VLV_IMR)); | |
746 | for_each_pipe(pipe) | |
747 | seq_printf(m, "Pipe %c stat:\t%08x\n", | |
748 | pipe_name(pipe), | |
749 | I915_READ(PIPESTAT(pipe))); | |
750 | ||
751 | seq_printf(m, "Master IER:\t%08x\n", | |
752 | I915_READ(VLV_MASTER_IER)); | |
753 | ||
754 | seq_printf(m, "Render IER:\t%08x\n", | |
755 | I915_READ(GTIER)); | |
756 | seq_printf(m, "Render IIR:\t%08x\n", | |
757 | I915_READ(GTIIR)); | |
758 | seq_printf(m, "Render IMR:\t%08x\n", | |
759 | I915_READ(GTIMR)); | |
760 | ||
761 | seq_printf(m, "PM IER:\t\t%08x\n", | |
762 | I915_READ(GEN6_PMIER)); | |
763 | seq_printf(m, "PM IIR:\t\t%08x\n", | |
764 | I915_READ(GEN6_PMIIR)); | |
765 | seq_printf(m, "PM IMR:\t\t%08x\n", | |
766 | I915_READ(GEN6_PMIMR)); | |
767 | ||
768 | seq_printf(m, "Port hotplug:\t%08x\n", | |
769 | I915_READ(PORT_HOTPLUG_EN)); | |
770 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
771 | I915_READ(VLV_DPFLIPSTAT)); | |
772 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
773 | I915_READ(DPINVGTT)); | |
774 | ||
775 | } else if (!HAS_PCH_SPLIT(dev)) { | |
5f6a1695 ZW |
776 | seq_printf(m, "Interrupt enable: %08x\n", |
777 | I915_READ(IER)); | |
778 | seq_printf(m, "Interrupt identity: %08x\n", | |
779 | I915_READ(IIR)); | |
780 | seq_printf(m, "Interrupt mask: %08x\n", | |
781 | I915_READ(IMR)); | |
9db4a9c7 JB |
782 | for_each_pipe(pipe) |
783 | seq_printf(m, "Pipe %c stat: %08x\n", | |
784 | pipe_name(pipe), | |
785 | I915_READ(PIPESTAT(pipe))); | |
5f6a1695 ZW |
786 | } else { |
787 | seq_printf(m, "North Display Interrupt enable: %08x\n", | |
788 | I915_READ(DEIER)); | |
789 | seq_printf(m, "North Display Interrupt identity: %08x\n", | |
790 | I915_READ(DEIIR)); | |
791 | seq_printf(m, "North Display Interrupt mask: %08x\n", | |
792 | I915_READ(DEIMR)); | |
793 | seq_printf(m, "South Display Interrupt enable: %08x\n", | |
794 | I915_READ(SDEIER)); | |
795 | seq_printf(m, "South Display Interrupt identity: %08x\n", | |
796 | I915_READ(SDEIIR)); | |
797 | seq_printf(m, "South Display Interrupt mask: %08x\n", | |
798 | I915_READ(SDEIMR)); | |
799 | seq_printf(m, "Graphics Interrupt enable: %08x\n", | |
800 | I915_READ(GTIER)); | |
801 | seq_printf(m, "Graphics Interrupt identity: %08x\n", | |
802 | I915_READ(GTIIR)); | |
803 | seq_printf(m, "Graphics Interrupt mask: %08x\n", | |
804 | I915_READ(GTIMR)); | |
805 | } | |
a2c7f6fd | 806 | for_each_ring(ring, dev_priv, i) { |
a123f157 | 807 | if (INTEL_INFO(dev)->gen >= 6) { |
a2c7f6fd CW |
808 | seq_printf(m, |
809 | "Graphics Interrupt mask (%s): %08x\n", | |
810 | ring->name, I915_READ_IMR(ring)); | |
9862e600 | 811 | } |
a2c7f6fd | 812 | i915_ring_seqno_info(m, ring); |
9862e600 | 813 | } |
c8c8fb33 | 814 | intel_runtime_pm_put(dev_priv); |
de227ef0 CW |
815 | mutex_unlock(&dev->struct_mutex); |
816 | ||
2017263e BG |
817 | return 0; |
818 | } | |
819 | ||
a6172a80 CW |
820 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) |
821 | { | |
9f25d007 | 822 | struct drm_info_node *node = m->private; |
a6172a80 | 823 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 824 | struct drm_i915_private *dev_priv = dev->dev_private; |
de227ef0 CW |
825 | int i, ret; |
826 | ||
827 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
828 | if (ret) | |
829 | return ret; | |
a6172a80 CW |
830 | |
831 | seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start); | |
832 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); | |
833 | for (i = 0; i < dev_priv->num_fence_regs; i++) { | |
05394f39 | 834 | struct drm_i915_gem_object *obj = dev_priv->fence_regs[i].obj; |
a6172a80 | 835 | |
6c085a72 CW |
836 | seq_printf(m, "Fence %d, pin count = %d, object = ", |
837 | i, dev_priv->fence_regs[i].pin_count); | |
c2c347a9 | 838 | if (obj == NULL) |
267f0c90 | 839 | seq_puts(m, "unused"); |
c2c347a9 | 840 | else |
05394f39 | 841 | describe_obj(m, obj); |
267f0c90 | 842 | seq_putc(m, '\n'); |
a6172a80 CW |
843 | } |
844 | ||
05394f39 | 845 | mutex_unlock(&dev->struct_mutex); |
a6172a80 CW |
846 | return 0; |
847 | } | |
848 | ||
2017263e BG |
849 | static int i915_hws_info(struct seq_file *m, void *data) |
850 | { | |
9f25d007 | 851 | struct drm_info_node *node = m->private; |
2017263e | 852 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 853 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 854 | struct intel_engine_cs *ring; |
1a240d4d | 855 | const u32 *hws; |
4066c0ae CW |
856 | int i; |
857 | ||
1ec14ad3 | 858 | ring = &dev_priv->ring[(uintptr_t)node->info_ent->data]; |
1a240d4d | 859 | hws = ring->status_page.page_addr; |
2017263e BG |
860 | if (hws == NULL) |
861 | return 0; | |
862 | ||
863 | for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { | |
864 | seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
865 | i * 4, | |
866 | hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); | |
867 | } | |
868 | return 0; | |
869 | } | |
870 | ||
d5442303 DV |
871 | static ssize_t |
872 | i915_error_state_write(struct file *filp, | |
873 | const char __user *ubuf, | |
874 | size_t cnt, | |
875 | loff_t *ppos) | |
876 | { | |
edc3d884 | 877 | struct i915_error_state_file_priv *error_priv = filp->private_data; |
d5442303 | 878 | struct drm_device *dev = error_priv->dev; |
22bcfc6a | 879 | int ret; |
d5442303 DV |
880 | |
881 | DRM_DEBUG_DRIVER("Resetting error state\n"); | |
882 | ||
22bcfc6a DV |
883 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
884 | if (ret) | |
885 | return ret; | |
886 | ||
d5442303 DV |
887 | i915_destroy_error_state(dev); |
888 | mutex_unlock(&dev->struct_mutex); | |
889 | ||
890 | return cnt; | |
891 | } | |
892 | ||
893 | static int i915_error_state_open(struct inode *inode, struct file *file) | |
894 | { | |
895 | struct drm_device *dev = inode->i_private; | |
d5442303 | 896 | struct i915_error_state_file_priv *error_priv; |
d5442303 DV |
897 | |
898 | error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL); | |
899 | if (!error_priv) | |
900 | return -ENOMEM; | |
901 | ||
902 | error_priv->dev = dev; | |
903 | ||
95d5bfb3 | 904 | i915_error_state_get(dev, error_priv); |
d5442303 | 905 | |
edc3d884 MK |
906 | file->private_data = error_priv; |
907 | ||
908 | return 0; | |
d5442303 DV |
909 | } |
910 | ||
911 | static int i915_error_state_release(struct inode *inode, struct file *file) | |
912 | { | |
edc3d884 | 913 | struct i915_error_state_file_priv *error_priv = file->private_data; |
d5442303 | 914 | |
95d5bfb3 | 915 | i915_error_state_put(error_priv); |
d5442303 DV |
916 | kfree(error_priv); |
917 | ||
edc3d884 MK |
918 | return 0; |
919 | } | |
920 | ||
4dc955f7 MK |
921 | static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, |
922 | size_t count, loff_t *pos) | |
923 | { | |
924 | struct i915_error_state_file_priv *error_priv = file->private_data; | |
925 | struct drm_i915_error_state_buf error_str; | |
926 | loff_t tmp_pos = 0; | |
927 | ssize_t ret_count = 0; | |
928 | int ret; | |
929 | ||
930 | ret = i915_error_state_buf_init(&error_str, count, *pos); | |
931 | if (ret) | |
932 | return ret; | |
edc3d884 | 933 | |
fc16b48b | 934 | ret = i915_error_state_to_str(&error_str, error_priv); |
edc3d884 MK |
935 | if (ret) |
936 | goto out; | |
937 | ||
edc3d884 MK |
938 | ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos, |
939 | error_str.buf, | |
940 | error_str.bytes); | |
941 | ||
942 | if (ret_count < 0) | |
943 | ret = ret_count; | |
944 | else | |
945 | *pos = error_str.start + ret_count; | |
946 | out: | |
4dc955f7 | 947 | i915_error_state_buf_release(&error_str); |
edc3d884 | 948 | return ret ?: ret_count; |
d5442303 DV |
949 | } |
950 | ||
951 | static const struct file_operations i915_error_state_fops = { | |
952 | .owner = THIS_MODULE, | |
953 | .open = i915_error_state_open, | |
edc3d884 | 954 | .read = i915_error_state_read, |
d5442303 DV |
955 | .write = i915_error_state_write, |
956 | .llseek = default_llseek, | |
957 | .release = i915_error_state_release, | |
958 | }; | |
959 | ||
647416f9 KC |
960 | static int |
961 | i915_next_seqno_get(void *data, u64 *val) | |
40633219 | 962 | { |
647416f9 | 963 | struct drm_device *dev = data; |
e277a1f8 | 964 | struct drm_i915_private *dev_priv = dev->dev_private; |
40633219 MK |
965 | int ret; |
966 | ||
967 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
968 | if (ret) | |
969 | return ret; | |
970 | ||
647416f9 | 971 | *val = dev_priv->next_seqno; |
40633219 MK |
972 | mutex_unlock(&dev->struct_mutex); |
973 | ||
647416f9 | 974 | return 0; |
40633219 MK |
975 | } |
976 | ||
647416f9 KC |
977 | static int |
978 | i915_next_seqno_set(void *data, u64 val) | |
979 | { | |
980 | struct drm_device *dev = data; | |
40633219 MK |
981 | int ret; |
982 | ||
40633219 MK |
983 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
984 | if (ret) | |
985 | return ret; | |
986 | ||
e94fbaa8 | 987 | ret = i915_gem_set_seqno(dev, val); |
40633219 MK |
988 | mutex_unlock(&dev->struct_mutex); |
989 | ||
647416f9 | 990 | return ret; |
40633219 MK |
991 | } |
992 | ||
647416f9 KC |
993 | DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, |
994 | i915_next_seqno_get, i915_next_seqno_set, | |
3a3b4f98 | 995 | "0x%llx\n"); |
40633219 | 996 | |
f97108d1 JB |
997 | static int i915_rstdby_delays(struct seq_file *m, void *unused) |
998 | { | |
9f25d007 | 999 | struct drm_info_node *node = m->private; |
f97108d1 | 1000 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1001 | struct drm_i915_private *dev_priv = dev->dev_private; |
616fdb5a BW |
1002 | u16 crstanddelay; |
1003 | int ret; | |
1004 | ||
1005 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1006 | if (ret) | |
1007 | return ret; | |
c8c8fb33 | 1008 | intel_runtime_pm_get(dev_priv); |
616fdb5a BW |
1009 | |
1010 | crstanddelay = I915_READ16(CRSTANDVID); | |
1011 | ||
c8c8fb33 | 1012 | intel_runtime_pm_put(dev_priv); |
616fdb5a | 1013 | mutex_unlock(&dev->struct_mutex); |
f97108d1 JB |
1014 | |
1015 | seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f)); | |
1016 | ||
1017 | return 0; | |
1018 | } | |
1019 | ||
adb4bd12 | 1020 | static int i915_frequency_info(struct seq_file *m, void *unused) |
f97108d1 | 1021 | { |
9f25d007 | 1022 | struct drm_info_node *node = m->private; |
f97108d1 | 1023 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1024 | struct drm_i915_private *dev_priv = dev->dev_private; |
c8c8fb33 PZ |
1025 | int ret = 0; |
1026 | ||
1027 | intel_runtime_pm_get(dev_priv); | |
3b8d8d91 | 1028 | |
5c9669ce TR |
1029 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
1030 | ||
3b8d8d91 JB |
1031 | if (IS_GEN5(dev)) { |
1032 | u16 rgvswctl = I915_READ16(MEMSWCTL); | |
1033 | u16 rgvstat = I915_READ16(MEMSTAT_ILK); | |
1034 | ||
1035 | seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); | |
1036 | seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); | |
1037 | seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> | |
1038 | MEMSTAT_VID_SHIFT); | |
1039 | seq_printf(m, "Current P-state: %d\n", | |
1040 | (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); | |
daa3afb2 TR |
1041 | } else if (IS_GEN6(dev) || (IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) || |
1042 | IS_BROADWELL(dev)) { | |
3b8d8d91 JB |
1043 | u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); |
1044 | u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); | |
1045 | u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
0d8f9491 | 1046 | u32 rpmodectl, rpinclimit, rpdeclimit; |
8e8c06cd | 1047 | u32 rpstat, cagf, reqf; |
ccab5c82 JB |
1048 | u32 rpupei, rpcurup, rpprevup; |
1049 | u32 rpdownei, rpcurdown, rpprevdown; | |
3b8d8d91 JB |
1050 | int max_freq; |
1051 | ||
1052 | /* RPSTAT1 is in the GT power well */ | |
d1ebd816 BW |
1053 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1054 | if (ret) | |
c8c8fb33 | 1055 | goto out; |
d1ebd816 | 1056 | |
c8d9a590 | 1057 | gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL); |
3b8d8d91 | 1058 | |
8e8c06cd CW |
1059 | reqf = I915_READ(GEN6_RPNSWREQ); |
1060 | reqf &= ~GEN6_TURBO_DISABLE; | |
daa3afb2 | 1061 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
8e8c06cd CW |
1062 | reqf >>= 24; |
1063 | else | |
1064 | reqf >>= 25; | |
1065 | reqf *= GT_FREQUENCY_MULTIPLIER; | |
1066 | ||
0d8f9491 CW |
1067 | rpmodectl = I915_READ(GEN6_RP_CONTROL); |
1068 | rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD); | |
1069 | rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD); | |
1070 | ||
ccab5c82 JB |
1071 | rpstat = I915_READ(GEN6_RPSTAT1); |
1072 | rpupei = I915_READ(GEN6_RP_CUR_UP_EI); | |
1073 | rpcurup = I915_READ(GEN6_RP_CUR_UP); | |
1074 | rpprevup = I915_READ(GEN6_RP_PREV_UP); | |
1075 | rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI); | |
1076 | rpcurdown = I915_READ(GEN6_RP_CUR_DOWN); | |
1077 | rpprevdown = I915_READ(GEN6_RP_PREV_DOWN); | |
daa3afb2 | 1078 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
f82855d3 BW |
1079 | cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; |
1080 | else | |
1081 | cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; | |
1082 | cagf *= GT_FREQUENCY_MULTIPLIER; | |
ccab5c82 | 1083 | |
c8d9a590 | 1084 | gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL); |
d1ebd816 BW |
1085 | mutex_unlock(&dev->struct_mutex); |
1086 | ||
0d8f9491 CW |
1087 | seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n", |
1088 | I915_READ(GEN6_PMIER), | |
1089 | I915_READ(GEN6_PMIMR), | |
1090 | I915_READ(GEN6_PMISR), | |
1091 | I915_READ(GEN6_PMIIR), | |
1092 | I915_READ(GEN6_PMINTRMSK)); | |
3b8d8d91 | 1093 | seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); |
3b8d8d91 JB |
1094 | seq_printf(m, "Render p-state ratio: %d\n", |
1095 | (gt_perf_status & 0xff00) >> 8); | |
1096 | seq_printf(m, "Render p-state VID: %d\n", | |
1097 | gt_perf_status & 0xff); | |
1098 | seq_printf(m, "Render p-state limit: %d\n", | |
1099 | rp_state_limits & 0xff); | |
0d8f9491 CW |
1100 | seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); |
1101 | seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl); | |
1102 | seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit); | |
1103 | seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit); | |
8e8c06cd | 1104 | seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); |
f82855d3 | 1105 | seq_printf(m, "CAGF: %dMHz\n", cagf); |
ccab5c82 JB |
1106 | seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & |
1107 | GEN6_CURICONT_MASK); | |
1108 | seq_printf(m, "RP CUR UP: %dus\n", rpcurup & | |
1109 | GEN6_CURBSYTAVG_MASK); | |
1110 | seq_printf(m, "RP PREV UP: %dus\n", rpprevup & | |
1111 | GEN6_CURBSYTAVG_MASK); | |
1112 | seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei & | |
1113 | GEN6_CURIAVG_MASK); | |
1114 | seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown & | |
1115 | GEN6_CURBSYTAVG_MASK); | |
1116 | seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown & | |
1117 | GEN6_CURBSYTAVG_MASK); | |
3b8d8d91 JB |
1118 | |
1119 | max_freq = (rp_state_cap & 0xff0000) >> 16; | |
1120 | seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", | |
c8735b0c | 1121 | max_freq * GT_FREQUENCY_MULTIPLIER); |
3b8d8d91 JB |
1122 | |
1123 | max_freq = (rp_state_cap & 0xff00) >> 8; | |
1124 | seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", | |
c8735b0c | 1125 | max_freq * GT_FREQUENCY_MULTIPLIER); |
3b8d8d91 JB |
1126 | |
1127 | max_freq = rp_state_cap & 0xff; | |
1128 | seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", | |
c8735b0c | 1129 | max_freq * GT_FREQUENCY_MULTIPLIER); |
31c77388 BW |
1130 | |
1131 | seq_printf(m, "Max overclocked frequency: %dMHz\n", | |
b39fb297 | 1132 | dev_priv->rps.max_freq * GT_FREQUENCY_MULTIPLIER); |
0a073b84 JB |
1133 | } else if (IS_VALLEYVIEW(dev)) { |
1134 | u32 freq_sts, val; | |
1135 | ||
259bd5d4 | 1136 | mutex_lock(&dev_priv->rps.hw_lock); |
64936258 | 1137 | freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); |
0a073b84 JB |
1138 | seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts); |
1139 | seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq); | |
1140 | ||
c5bd2bf6 | 1141 | val = valleyview_rps_max_freq(dev_priv); |
0a073b84 | 1142 | seq_printf(m, "max GPU freq: %d MHz\n", |
2ec3815f | 1143 | vlv_gpu_freq(dev_priv, val)); |
0a073b84 | 1144 | |
c5bd2bf6 | 1145 | val = valleyview_rps_min_freq(dev_priv); |
0a073b84 | 1146 | seq_printf(m, "min GPU freq: %d MHz\n", |
2ec3815f | 1147 | vlv_gpu_freq(dev_priv, val)); |
0a073b84 JB |
1148 | |
1149 | seq_printf(m, "current GPU freq: %d MHz\n", | |
2ec3815f | 1150 | vlv_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff)); |
259bd5d4 | 1151 | mutex_unlock(&dev_priv->rps.hw_lock); |
3b8d8d91 | 1152 | } else { |
267f0c90 | 1153 | seq_puts(m, "no P-state info available\n"); |
3b8d8d91 | 1154 | } |
f97108d1 | 1155 | |
c8c8fb33 PZ |
1156 | out: |
1157 | intel_runtime_pm_put(dev_priv); | |
1158 | return ret; | |
f97108d1 JB |
1159 | } |
1160 | ||
1161 | static int i915_delayfreq_table(struct seq_file *m, void *unused) | |
1162 | { | |
9f25d007 | 1163 | struct drm_info_node *node = m->private; |
f97108d1 | 1164 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1165 | struct drm_i915_private *dev_priv = dev->dev_private; |
f97108d1 | 1166 | u32 delayfreq; |
616fdb5a BW |
1167 | int ret, i; |
1168 | ||
1169 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1170 | if (ret) | |
1171 | return ret; | |
c8c8fb33 | 1172 | intel_runtime_pm_get(dev_priv); |
f97108d1 JB |
1173 | |
1174 | for (i = 0; i < 16; i++) { | |
1175 | delayfreq = I915_READ(PXVFREQ_BASE + i * 4); | |
7648fa99 JB |
1176 | seq_printf(m, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i, delayfreq, |
1177 | (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT); | |
f97108d1 JB |
1178 | } |
1179 | ||
c8c8fb33 PZ |
1180 | intel_runtime_pm_put(dev_priv); |
1181 | ||
616fdb5a BW |
1182 | mutex_unlock(&dev->struct_mutex); |
1183 | ||
f97108d1 JB |
1184 | return 0; |
1185 | } | |
1186 | ||
1187 | static inline int MAP_TO_MV(int map) | |
1188 | { | |
1189 | return 1250 - (map * 25); | |
1190 | } | |
1191 | ||
1192 | static int i915_inttoext_table(struct seq_file *m, void *unused) | |
1193 | { | |
9f25d007 | 1194 | struct drm_info_node *node = m->private; |
f97108d1 | 1195 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1196 | struct drm_i915_private *dev_priv = dev->dev_private; |
f97108d1 | 1197 | u32 inttoext; |
616fdb5a BW |
1198 | int ret, i; |
1199 | ||
1200 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1201 | if (ret) | |
1202 | return ret; | |
c8c8fb33 | 1203 | intel_runtime_pm_get(dev_priv); |
f97108d1 JB |
1204 | |
1205 | for (i = 1; i <= 32; i++) { | |
1206 | inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4); | |
1207 | seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext); | |
1208 | } | |
1209 | ||
c8c8fb33 | 1210 | intel_runtime_pm_put(dev_priv); |
616fdb5a BW |
1211 | mutex_unlock(&dev->struct_mutex); |
1212 | ||
f97108d1 JB |
1213 | return 0; |
1214 | } | |
1215 | ||
4d85529d | 1216 | static int ironlake_drpc_info(struct seq_file *m) |
f97108d1 | 1217 | { |
9f25d007 | 1218 | struct drm_info_node *node = m->private; |
f97108d1 | 1219 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1220 | struct drm_i915_private *dev_priv = dev->dev_private; |
616fdb5a BW |
1221 | u32 rgvmodectl, rstdbyctl; |
1222 | u16 crstandvid; | |
1223 | int ret; | |
1224 | ||
1225 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1226 | if (ret) | |
1227 | return ret; | |
c8c8fb33 | 1228 | intel_runtime_pm_get(dev_priv); |
616fdb5a BW |
1229 | |
1230 | rgvmodectl = I915_READ(MEMMODECTL); | |
1231 | rstdbyctl = I915_READ(RSTDBYCTL); | |
1232 | crstandvid = I915_READ16(CRSTANDVID); | |
1233 | ||
c8c8fb33 | 1234 | intel_runtime_pm_put(dev_priv); |
616fdb5a | 1235 | mutex_unlock(&dev->struct_mutex); |
f97108d1 JB |
1236 | |
1237 | seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ? | |
1238 | "yes" : "no"); | |
1239 | seq_printf(m, "Boost freq: %d\n", | |
1240 | (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> | |
1241 | MEMMODE_BOOST_FREQ_SHIFT); | |
1242 | seq_printf(m, "HW control enabled: %s\n", | |
1243 | rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no"); | |
1244 | seq_printf(m, "SW control enabled: %s\n", | |
1245 | rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no"); | |
1246 | seq_printf(m, "Gated voltage change: %s\n", | |
1247 | rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no"); | |
1248 | seq_printf(m, "Starting frequency: P%d\n", | |
1249 | (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); | |
7648fa99 | 1250 | seq_printf(m, "Max P-state: P%d\n", |
f97108d1 | 1251 | (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); |
7648fa99 JB |
1252 | seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); |
1253 | seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); | |
1254 | seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); | |
1255 | seq_printf(m, "Render standby enabled: %s\n", | |
1256 | (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes"); | |
267f0c90 | 1257 | seq_puts(m, "Current RS state: "); |
88271da3 JB |
1258 | switch (rstdbyctl & RSX_STATUS_MASK) { |
1259 | case RSX_STATUS_ON: | |
267f0c90 | 1260 | seq_puts(m, "on\n"); |
88271da3 JB |
1261 | break; |
1262 | case RSX_STATUS_RC1: | |
267f0c90 | 1263 | seq_puts(m, "RC1\n"); |
88271da3 JB |
1264 | break; |
1265 | case RSX_STATUS_RC1E: | |
267f0c90 | 1266 | seq_puts(m, "RC1E\n"); |
88271da3 JB |
1267 | break; |
1268 | case RSX_STATUS_RS1: | |
267f0c90 | 1269 | seq_puts(m, "RS1\n"); |
88271da3 JB |
1270 | break; |
1271 | case RSX_STATUS_RS2: | |
267f0c90 | 1272 | seq_puts(m, "RS2 (RC6)\n"); |
88271da3 JB |
1273 | break; |
1274 | case RSX_STATUS_RS3: | |
267f0c90 | 1275 | seq_puts(m, "RC3 (RC6+)\n"); |
88271da3 JB |
1276 | break; |
1277 | default: | |
267f0c90 | 1278 | seq_puts(m, "unknown\n"); |
88271da3 JB |
1279 | break; |
1280 | } | |
f97108d1 JB |
1281 | |
1282 | return 0; | |
1283 | } | |
1284 | ||
669ab5aa D |
1285 | static int vlv_drpc_info(struct seq_file *m) |
1286 | { | |
1287 | ||
9f25d007 | 1288 | struct drm_info_node *node = m->private; |
669ab5aa D |
1289 | struct drm_device *dev = node->minor->dev; |
1290 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1291 | u32 rpmodectl1, rcctl1; | |
1292 | unsigned fw_rendercount = 0, fw_mediacount = 0; | |
1293 | ||
d46c0517 ID |
1294 | intel_runtime_pm_get(dev_priv); |
1295 | ||
669ab5aa D |
1296 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); |
1297 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1298 | ||
d46c0517 ID |
1299 | intel_runtime_pm_put(dev_priv); |
1300 | ||
669ab5aa D |
1301 | seq_printf(m, "Video Turbo Mode: %s\n", |
1302 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1303 | seq_printf(m, "Turbo enabled: %s\n", | |
1304 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1305 | seq_printf(m, "HW control enabled: %s\n", | |
1306 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1307 | seq_printf(m, "SW control enabled: %s\n", | |
1308 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1309 | GEN6_RP_MEDIA_SW_MODE)); | |
1310 | seq_printf(m, "RC6 Enabled: %s\n", | |
1311 | yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE | | |
1312 | GEN6_RC_CTL_EI_MODE(1)))); | |
1313 | seq_printf(m, "Render Power Well: %s\n", | |
1314 | (I915_READ(VLV_GTLC_PW_STATUS) & | |
1315 | VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down"); | |
1316 | seq_printf(m, "Media Power Well: %s\n", | |
1317 | (I915_READ(VLV_GTLC_PW_STATUS) & | |
1318 | VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down"); | |
1319 | ||
9cc19be5 ID |
1320 | seq_printf(m, "Render RC6 residency since boot: %u\n", |
1321 | I915_READ(VLV_GT_RENDER_RC6)); | |
1322 | seq_printf(m, "Media RC6 residency since boot: %u\n", | |
1323 | I915_READ(VLV_GT_MEDIA_RC6)); | |
1324 | ||
669ab5aa D |
1325 | spin_lock_irq(&dev_priv->uncore.lock); |
1326 | fw_rendercount = dev_priv->uncore.fw_rendercount; | |
1327 | fw_mediacount = dev_priv->uncore.fw_mediacount; | |
1328 | spin_unlock_irq(&dev_priv->uncore.lock); | |
1329 | ||
1330 | seq_printf(m, "Forcewake Render Count = %u\n", fw_rendercount); | |
1331 | seq_printf(m, "Forcewake Media Count = %u\n", fw_mediacount); | |
1332 | ||
1333 | ||
1334 | return 0; | |
1335 | } | |
1336 | ||
1337 | ||
4d85529d BW |
1338 | static int gen6_drpc_info(struct seq_file *m) |
1339 | { | |
1340 | ||
9f25d007 | 1341 | struct drm_info_node *node = m->private; |
4d85529d BW |
1342 | struct drm_device *dev = node->minor->dev; |
1343 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ecd8faea | 1344 | u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; |
93b525dc | 1345 | unsigned forcewake_count; |
aee56cff | 1346 | int count = 0, ret; |
4d85529d BW |
1347 | |
1348 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1349 | if (ret) | |
1350 | return ret; | |
c8c8fb33 | 1351 | intel_runtime_pm_get(dev_priv); |
4d85529d | 1352 | |
907b28c5 CW |
1353 | spin_lock_irq(&dev_priv->uncore.lock); |
1354 | forcewake_count = dev_priv->uncore.forcewake_count; | |
1355 | spin_unlock_irq(&dev_priv->uncore.lock); | |
93b525dc DV |
1356 | |
1357 | if (forcewake_count) { | |
267f0c90 DL |
1358 | seq_puts(m, "RC information inaccurate because somebody " |
1359 | "holds a forcewake reference \n"); | |
4d85529d BW |
1360 | } else { |
1361 | /* NB: we cannot use forcewake, else we read the wrong values */ | |
1362 | while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) | |
1363 | udelay(10); | |
1364 | seq_printf(m, "RC information accurate: %s\n", yesno(count < 51)); | |
1365 | } | |
1366 | ||
1367 | gt_core_status = readl(dev_priv->regs + GEN6_GT_CORE_STATUS); | |
ed71f1b4 | 1368 | trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true); |
4d85529d BW |
1369 | |
1370 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); | |
1371 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1372 | mutex_unlock(&dev->struct_mutex); | |
44cbd338 BW |
1373 | mutex_lock(&dev_priv->rps.hw_lock); |
1374 | sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); | |
1375 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4d85529d | 1376 | |
c8c8fb33 PZ |
1377 | intel_runtime_pm_put(dev_priv); |
1378 | ||
4d85529d BW |
1379 | seq_printf(m, "Video Turbo Mode: %s\n", |
1380 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1381 | seq_printf(m, "HW control enabled: %s\n", | |
1382 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1383 | seq_printf(m, "SW control enabled: %s\n", | |
1384 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1385 | GEN6_RP_MEDIA_SW_MODE)); | |
fff24e21 | 1386 | seq_printf(m, "RC1e Enabled: %s\n", |
4d85529d BW |
1387 | yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); |
1388 | seq_printf(m, "RC6 Enabled: %s\n", | |
1389 | yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); | |
1390 | seq_printf(m, "Deep RC6 Enabled: %s\n", | |
1391 | yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); | |
1392 | seq_printf(m, "Deepest RC6 Enabled: %s\n", | |
1393 | yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); | |
267f0c90 | 1394 | seq_puts(m, "Current RC state: "); |
4d85529d BW |
1395 | switch (gt_core_status & GEN6_RCn_MASK) { |
1396 | case GEN6_RC0: | |
1397 | if (gt_core_status & GEN6_CORE_CPD_STATE_MASK) | |
267f0c90 | 1398 | seq_puts(m, "Core Power Down\n"); |
4d85529d | 1399 | else |
267f0c90 | 1400 | seq_puts(m, "on\n"); |
4d85529d BW |
1401 | break; |
1402 | case GEN6_RC3: | |
267f0c90 | 1403 | seq_puts(m, "RC3\n"); |
4d85529d BW |
1404 | break; |
1405 | case GEN6_RC6: | |
267f0c90 | 1406 | seq_puts(m, "RC6\n"); |
4d85529d BW |
1407 | break; |
1408 | case GEN6_RC7: | |
267f0c90 | 1409 | seq_puts(m, "RC7\n"); |
4d85529d BW |
1410 | break; |
1411 | default: | |
267f0c90 | 1412 | seq_puts(m, "Unknown\n"); |
4d85529d BW |
1413 | break; |
1414 | } | |
1415 | ||
1416 | seq_printf(m, "Core Power Down: %s\n", | |
1417 | yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK)); | |
cce66a28 BW |
1418 | |
1419 | /* Not exactly sure what this is */ | |
1420 | seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n", | |
1421 | I915_READ(GEN6_GT_GFX_RC6_LOCKED)); | |
1422 | seq_printf(m, "RC6 residency since boot: %u\n", | |
1423 | I915_READ(GEN6_GT_GFX_RC6)); | |
1424 | seq_printf(m, "RC6+ residency since boot: %u\n", | |
1425 | I915_READ(GEN6_GT_GFX_RC6p)); | |
1426 | seq_printf(m, "RC6++ residency since boot: %u\n", | |
1427 | I915_READ(GEN6_GT_GFX_RC6pp)); | |
1428 | ||
ecd8faea BW |
1429 | seq_printf(m, "RC6 voltage: %dmV\n", |
1430 | GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff))); | |
1431 | seq_printf(m, "RC6+ voltage: %dmV\n", | |
1432 | GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff))); | |
1433 | seq_printf(m, "RC6++ voltage: %dmV\n", | |
1434 | GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff))); | |
4d85529d BW |
1435 | return 0; |
1436 | } | |
1437 | ||
1438 | static int i915_drpc_info(struct seq_file *m, void *unused) | |
1439 | { | |
9f25d007 | 1440 | struct drm_info_node *node = m->private; |
4d85529d BW |
1441 | struct drm_device *dev = node->minor->dev; |
1442 | ||
669ab5aa D |
1443 | if (IS_VALLEYVIEW(dev)) |
1444 | return vlv_drpc_info(m); | |
1445 | else if (IS_GEN6(dev) || IS_GEN7(dev)) | |
4d85529d BW |
1446 | return gen6_drpc_info(m); |
1447 | else | |
1448 | return ironlake_drpc_info(m); | |
1449 | } | |
1450 | ||
b5e50c3f JB |
1451 | static int i915_fbc_status(struct seq_file *m, void *unused) |
1452 | { | |
9f25d007 | 1453 | struct drm_info_node *node = m->private; |
b5e50c3f | 1454 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1455 | struct drm_i915_private *dev_priv = dev->dev_private; |
b5e50c3f | 1456 | |
3a77c4c4 | 1457 | if (!HAS_FBC(dev)) { |
267f0c90 | 1458 | seq_puts(m, "FBC unsupported on this chipset\n"); |
b5e50c3f JB |
1459 | return 0; |
1460 | } | |
1461 | ||
36623ef8 PZ |
1462 | intel_runtime_pm_get(dev_priv); |
1463 | ||
ee5382ae | 1464 | if (intel_fbc_enabled(dev)) { |
267f0c90 | 1465 | seq_puts(m, "FBC enabled\n"); |
b5e50c3f | 1466 | } else { |
267f0c90 | 1467 | seq_puts(m, "FBC disabled: "); |
5c3fe8b0 | 1468 | switch (dev_priv->fbc.no_fbc_reason) { |
29ebf90f CW |
1469 | case FBC_OK: |
1470 | seq_puts(m, "FBC actived, but currently disabled in hardware"); | |
1471 | break; | |
1472 | case FBC_UNSUPPORTED: | |
1473 | seq_puts(m, "unsupported by this chipset"); | |
1474 | break; | |
bed4a673 | 1475 | case FBC_NO_OUTPUT: |
267f0c90 | 1476 | seq_puts(m, "no outputs"); |
bed4a673 | 1477 | break; |
b5e50c3f | 1478 | case FBC_STOLEN_TOO_SMALL: |
267f0c90 | 1479 | seq_puts(m, "not enough stolen memory"); |
b5e50c3f JB |
1480 | break; |
1481 | case FBC_UNSUPPORTED_MODE: | |
267f0c90 | 1482 | seq_puts(m, "mode not supported"); |
b5e50c3f JB |
1483 | break; |
1484 | case FBC_MODE_TOO_LARGE: | |
267f0c90 | 1485 | seq_puts(m, "mode too large"); |
b5e50c3f JB |
1486 | break; |
1487 | case FBC_BAD_PLANE: | |
267f0c90 | 1488 | seq_puts(m, "FBC unsupported on plane"); |
b5e50c3f JB |
1489 | break; |
1490 | case FBC_NOT_TILED: | |
267f0c90 | 1491 | seq_puts(m, "scanout buffer not tiled"); |
b5e50c3f | 1492 | break; |
9c928d16 | 1493 | case FBC_MULTIPLE_PIPES: |
267f0c90 | 1494 | seq_puts(m, "multiple pipes are enabled"); |
9c928d16 | 1495 | break; |
c1a9f047 | 1496 | case FBC_MODULE_PARAM: |
267f0c90 | 1497 | seq_puts(m, "disabled per module param (default off)"); |
c1a9f047 | 1498 | break; |
8a5729a3 | 1499 | case FBC_CHIP_DEFAULT: |
267f0c90 | 1500 | seq_puts(m, "disabled per chip default"); |
8a5729a3 | 1501 | break; |
b5e50c3f | 1502 | default: |
267f0c90 | 1503 | seq_puts(m, "unknown reason"); |
b5e50c3f | 1504 | } |
267f0c90 | 1505 | seq_putc(m, '\n'); |
b5e50c3f | 1506 | } |
36623ef8 PZ |
1507 | |
1508 | intel_runtime_pm_put(dev_priv); | |
1509 | ||
b5e50c3f JB |
1510 | return 0; |
1511 | } | |
1512 | ||
92d44621 PZ |
1513 | static int i915_ips_status(struct seq_file *m, void *unused) |
1514 | { | |
9f25d007 | 1515 | struct drm_info_node *node = m->private; |
92d44621 PZ |
1516 | struct drm_device *dev = node->minor->dev; |
1517 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1518 | ||
f5adf94e | 1519 | if (!HAS_IPS(dev)) { |
92d44621 PZ |
1520 | seq_puts(m, "not supported\n"); |
1521 | return 0; | |
1522 | } | |
1523 | ||
36623ef8 PZ |
1524 | intel_runtime_pm_get(dev_priv); |
1525 | ||
e59150dc | 1526 | if (IS_BROADWELL(dev) || I915_READ(IPS_CTL) & IPS_ENABLE) |
92d44621 PZ |
1527 | seq_puts(m, "enabled\n"); |
1528 | else | |
1529 | seq_puts(m, "disabled\n"); | |
1530 | ||
36623ef8 PZ |
1531 | intel_runtime_pm_put(dev_priv); |
1532 | ||
92d44621 PZ |
1533 | return 0; |
1534 | } | |
1535 | ||
4a9bef37 JB |
1536 | static int i915_sr_status(struct seq_file *m, void *unused) |
1537 | { | |
9f25d007 | 1538 | struct drm_info_node *node = m->private; |
4a9bef37 | 1539 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1540 | struct drm_i915_private *dev_priv = dev->dev_private; |
4a9bef37 JB |
1541 | bool sr_enabled = false; |
1542 | ||
36623ef8 PZ |
1543 | intel_runtime_pm_get(dev_priv); |
1544 | ||
1398261a | 1545 | if (HAS_PCH_SPLIT(dev)) |
5ba2aaaa | 1546 | sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; |
a6c45cf0 | 1547 | else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev)) |
4a9bef37 JB |
1548 | sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; |
1549 | else if (IS_I915GM(dev)) | |
1550 | sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; | |
1551 | else if (IS_PINEVIEW(dev)) | |
1552 | sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; | |
1553 | ||
36623ef8 PZ |
1554 | intel_runtime_pm_put(dev_priv); |
1555 | ||
5ba2aaaa CW |
1556 | seq_printf(m, "self-refresh: %s\n", |
1557 | sr_enabled ? "enabled" : "disabled"); | |
4a9bef37 JB |
1558 | |
1559 | return 0; | |
1560 | } | |
1561 | ||
7648fa99 JB |
1562 | static int i915_emon_status(struct seq_file *m, void *unused) |
1563 | { | |
9f25d007 | 1564 | struct drm_info_node *node = m->private; |
7648fa99 | 1565 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1566 | struct drm_i915_private *dev_priv = dev->dev_private; |
7648fa99 | 1567 | unsigned long temp, chipset, gfx; |
de227ef0 CW |
1568 | int ret; |
1569 | ||
582be6b4 CW |
1570 | if (!IS_GEN5(dev)) |
1571 | return -ENODEV; | |
1572 | ||
de227ef0 CW |
1573 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1574 | if (ret) | |
1575 | return ret; | |
7648fa99 JB |
1576 | |
1577 | temp = i915_mch_val(dev_priv); | |
1578 | chipset = i915_chipset_val(dev_priv); | |
1579 | gfx = i915_gfx_val(dev_priv); | |
de227ef0 | 1580 | mutex_unlock(&dev->struct_mutex); |
7648fa99 JB |
1581 | |
1582 | seq_printf(m, "GMCH temp: %ld\n", temp); | |
1583 | seq_printf(m, "Chipset power: %ld\n", chipset); | |
1584 | seq_printf(m, "GFX power: %ld\n", gfx); | |
1585 | seq_printf(m, "Total power: %ld\n", chipset + gfx); | |
1586 | ||
1587 | return 0; | |
1588 | } | |
1589 | ||
23b2f8bb JB |
1590 | static int i915_ring_freq_table(struct seq_file *m, void *unused) |
1591 | { | |
9f25d007 | 1592 | struct drm_info_node *node = m->private; |
23b2f8bb | 1593 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1594 | struct drm_i915_private *dev_priv = dev->dev_private; |
5bfa0199 | 1595 | int ret = 0; |
23b2f8bb JB |
1596 | int gpu_freq, ia_freq; |
1597 | ||
1c70c0ce | 1598 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) { |
267f0c90 | 1599 | seq_puts(m, "unsupported on this chipset\n"); |
23b2f8bb JB |
1600 | return 0; |
1601 | } | |
1602 | ||
5bfa0199 PZ |
1603 | intel_runtime_pm_get(dev_priv); |
1604 | ||
5c9669ce TR |
1605 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
1606 | ||
4fc688ce | 1607 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
23b2f8bb | 1608 | if (ret) |
5bfa0199 | 1609 | goto out; |
23b2f8bb | 1610 | |
267f0c90 | 1611 | seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n"); |
23b2f8bb | 1612 | |
b39fb297 BW |
1613 | for (gpu_freq = dev_priv->rps.min_freq_softlimit; |
1614 | gpu_freq <= dev_priv->rps.max_freq_softlimit; | |
23b2f8bb | 1615 | gpu_freq++) { |
42c0526c BW |
1616 | ia_freq = gpu_freq; |
1617 | sandybridge_pcode_read(dev_priv, | |
1618 | GEN6_PCODE_READ_MIN_FREQ_TABLE, | |
1619 | &ia_freq); | |
3ebecd07 CW |
1620 | seq_printf(m, "%d\t\t%d\t\t\t\t%d\n", |
1621 | gpu_freq * GT_FREQUENCY_MULTIPLIER, | |
1622 | ((ia_freq >> 0) & 0xff) * 100, | |
1623 | ((ia_freq >> 8) & 0xff) * 100); | |
23b2f8bb JB |
1624 | } |
1625 | ||
4fc688ce | 1626 | mutex_unlock(&dev_priv->rps.hw_lock); |
23b2f8bb | 1627 | |
5bfa0199 PZ |
1628 | out: |
1629 | intel_runtime_pm_put(dev_priv); | |
1630 | return ret; | |
23b2f8bb JB |
1631 | } |
1632 | ||
7648fa99 JB |
1633 | static int i915_gfxec(struct seq_file *m, void *unused) |
1634 | { | |
9f25d007 | 1635 | struct drm_info_node *node = m->private; |
7648fa99 | 1636 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1637 | struct drm_i915_private *dev_priv = dev->dev_private; |
616fdb5a BW |
1638 | int ret; |
1639 | ||
1640 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1641 | if (ret) | |
1642 | return ret; | |
c8c8fb33 | 1643 | intel_runtime_pm_get(dev_priv); |
7648fa99 JB |
1644 | |
1645 | seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4)); | |
c8c8fb33 | 1646 | intel_runtime_pm_put(dev_priv); |
7648fa99 | 1647 | |
616fdb5a BW |
1648 | mutex_unlock(&dev->struct_mutex); |
1649 | ||
7648fa99 JB |
1650 | return 0; |
1651 | } | |
1652 | ||
44834a67 CW |
1653 | static int i915_opregion(struct seq_file *m, void *unused) |
1654 | { | |
9f25d007 | 1655 | struct drm_info_node *node = m->private; |
44834a67 | 1656 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1657 | struct drm_i915_private *dev_priv = dev->dev_private; |
44834a67 | 1658 | struct intel_opregion *opregion = &dev_priv->opregion; |
0d38f009 | 1659 | void *data = kmalloc(OPREGION_SIZE, GFP_KERNEL); |
44834a67 CW |
1660 | int ret; |
1661 | ||
0d38f009 DV |
1662 | if (data == NULL) |
1663 | return -ENOMEM; | |
1664 | ||
44834a67 CW |
1665 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1666 | if (ret) | |
0d38f009 | 1667 | goto out; |
44834a67 | 1668 | |
0d38f009 DV |
1669 | if (opregion->header) { |
1670 | memcpy_fromio(data, opregion->header, OPREGION_SIZE); | |
1671 | seq_write(m, data, OPREGION_SIZE); | |
1672 | } | |
44834a67 CW |
1673 | |
1674 | mutex_unlock(&dev->struct_mutex); | |
1675 | ||
0d38f009 DV |
1676 | out: |
1677 | kfree(data); | |
44834a67 CW |
1678 | return 0; |
1679 | } | |
1680 | ||
37811fcc CW |
1681 | static int i915_gem_framebuffer_info(struct seq_file *m, void *data) |
1682 | { | |
9f25d007 | 1683 | struct drm_info_node *node = m->private; |
37811fcc | 1684 | struct drm_device *dev = node->minor->dev; |
4520f53a | 1685 | struct intel_fbdev *ifbdev = NULL; |
37811fcc | 1686 | struct intel_framebuffer *fb; |
37811fcc | 1687 | |
4520f53a DV |
1688 | #ifdef CONFIG_DRM_I915_FBDEV |
1689 | struct drm_i915_private *dev_priv = dev->dev_private; | |
37811fcc CW |
1690 | |
1691 | ifbdev = dev_priv->fbdev; | |
1692 | fb = to_intel_framebuffer(ifbdev->helper.fb); | |
1693 | ||
623f9783 | 1694 | seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ", |
37811fcc CW |
1695 | fb->base.width, |
1696 | fb->base.height, | |
1697 | fb->base.depth, | |
623f9783 DV |
1698 | fb->base.bits_per_pixel, |
1699 | atomic_read(&fb->base.refcount.refcount)); | |
05394f39 | 1700 | describe_obj(m, fb->obj); |
267f0c90 | 1701 | seq_putc(m, '\n'); |
4520f53a | 1702 | #endif |
37811fcc | 1703 | |
4b096ac1 | 1704 | mutex_lock(&dev->mode_config.fb_lock); |
37811fcc | 1705 | list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) { |
131a56dc | 1706 | if (ifbdev && &fb->base == ifbdev->helper.fb) |
37811fcc CW |
1707 | continue; |
1708 | ||
623f9783 | 1709 | seq_printf(m, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ", |
37811fcc CW |
1710 | fb->base.width, |
1711 | fb->base.height, | |
1712 | fb->base.depth, | |
623f9783 DV |
1713 | fb->base.bits_per_pixel, |
1714 | atomic_read(&fb->base.refcount.refcount)); | |
05394f39 | 1715 | describe_obj(m, fb->obj); |
267f0c90 | 1716 | seq_putc(m, '\n'); |
37811fcc | 1717 | } |
4b096ac1 | 1718 | mutex_unlock(&dev->mode_config.fb_lock); |
37811fcc CW |
1719 | |
1720 | return 0; | |
1721 | } | |
1722 | ||
e76d3630 BW |
1723 | static int i915_context_status(struct seq_file *m, void *unused) |
1724 | { | |
9f25d007 | 1725 | struct drm_info_node *node = m->private; |
e76d3630 | 1726 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1727 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 1728 | struct intel_engine_cs *ring; |
273497e5 | 1729 | struct intel_context *ctx; |
a168c293 | 1730 | int ret, i; |
e76d3630 | 1731 | |
f3d28878 | 1732 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
e76d3630 BW |
1733 | if (ret) |
1734 | return ret; | |
1735 | ||
3e373948 | 1736 | if (dev_priv->ips.pwrctx) { |
267f0c90 | 1737 | seq_puts(m, "power context "); |
3e373948 | 1738 | describe_obj(m, dev_priv->ips.pwrctx); |
267f0c90 | 1739 | seq_putc(m, '\n'); |
dc501fbc | 1740 | } |
e76d3630 | 1741 | |
3e373948 | 1742 | if (dev_priv->ips.renderctx) { |
267f0c90 | 1743 | seq_puts(m, "render context "); |
3e373948 | 1744 | describe_obj(m, dev_priv->ips.renderctx); |
267f0c90 | 1745 | seq_putc(m, '\n'); |
dc501fbc | 1746 | } |
e76d3630 | 1747 | |
a33afea5 | 1748 | list_for_each_entry(ctx, &dev_priv->context_list, link) { |
b77f6997 CW |
1749 | if (ctx->obj == NULL) |
1750 | continue; | |
1751 | ||
a33afea5 | 1752 | seq_puts(m, "HW context "); |
3ccfd19d | 1753 | describe_ctx(m, ctx); |
a33afea5 BW |
1754 | for_each_ring(ring, dev_priv, i) |
1755 | if (ring->default_context == ctx) | |
1756 | seq_printf(m, "(default context %s) ", ring->name); | |
1757 | ||
1758 | describe_obj(m, ctx->obj); | |
1759 | seq_putc(m, '\n'); | |
a168c293 BW |
1760 | } |
1761 | ||
f3d28878 | 1762 | mutex_unlock(&dev->struct_mutex); |
e76d3630 BW |
1763 | |
1764 | return 0; | |
1765 | } | |
1766 | ||
6d794d42 BW |
1767 | static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data) |
1768 | { | |
9f25d007 | 1769 | struct drm_info_node *node = m->private; |
6d794d42 BW |
1770 | struct drm_device *dev = node->minor->dev; |
1771 | struct drm_i915_private *dev_priv = dev->dev_private; | |
43709ba0 | 1772 | unsigned forcewake_count = 0, fw_rendercount = 0, fw_mediacount = 0; |
6d794d42 | 1773 | |
907b28c5 | 1774 | spin_lock_irq(&dev_priv->uncore.lock); |
43709ba0 D |
1775 | if (IS_VALLEYVIEW(dev)) { |
1776 | fw_rendercount = dev_priv->uncore.fw_rendercount; | |
1777 | fw_mediacount = dev_priv->uncore.fw_mediacount; | |
1778 | } else | |
1779 | forcewake_count = dev_priv->uncore.forcewake_count; | |
907b28c5 | 1780 | spin_unlock_irq(&dev_priv->uncore.lock); |
6d794d42 | 1781 | |
43709ba0 D |
1782 | if (IS_VALLEYVIEW(dev)) { |
1783 | seq_printf(m, "fw_rendercount = %u\n", fw_rendercount); | |
1784 | seq_printf(m, "fw_mediacount = %u\n", fw_mediacount); | |
1785 | } else | |
1786 | seq_printf(m, "forcewake count = %u\n", forcewake_count); | |
6d794d42 BW |
1787 | |
1788 | return 0; | |
1789 | } | |
1790 | ||
ea16a3cd DV |
1791 | static const char *swizzle_string(unsigned swizzle) |
1792 | { | |
aee56cff | 1793 | switch (swizzle) { |
ea16a3cd DV |
1794 | case I915_BIT_6_SWIZZLE_NONE: |
1795 | return "none"; | |
1796 | case I915_BIT_6_SWIZZLE_9: | |
1797 | return "bit9"; | |
1798 | case I915_BIT_6_SWIZZLE_9_10: | |
1799 | return "bit9/bit10"; | |
1800 | case I915_BIT_6_SWIZZLE_9_11: | |
1801 | return "bit9/bit11"; | |
1802 | case I915_BIT_6_SWIZZLE_9_10_11: | |
1803 | return "bit9/bit10/bit11"; | |
1804 | case I915_BIT_6_SWIZZLE_9_17: | |
1805 | return "bit9/bit17"; | |
1806 | case I915_BIT_6_SWIZZLE_9_10_17: | |
1807 | return "bit9/bit10/bit17"; | |
1808 | case I915_BIT_6_SWIZZLE_UNKNOWN: | |
8a168ca7 | 1809 | return "unknown"; |
ea16a3cd DV |
1810 | } |
1811 | ||
1812 | return "bug"; | |
1813 | } | |
1814 | ||
1815 | static int i915_swizzle_info(struct seq_file *m, void *data) | |
1816 | { | |
9f25d007 | 1817 | struct drm_info_node *node = m->private; |
ea16a3cd DV |
1818 | struct drm_device *dev = node->minor->dev; |
1819 | struct drm_i915_private *dev_priv = dev->dev_private; | |
22bcfc6a DV |
1820 | int ret; |
1821 | ||
1822 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1823 | if (ret) | |
1824 | return ret; | |
c8c8fb33 | 1825 | intel_runtime_pm_get(dev_priv); |
ea16a3cd | 1826 | |
ea16a3cd DV |
1827 | seq_printf(m, "bit6 swizzle for X-tiling = %s\n", |
1828 | swizzle_string(dev_priv->mm.bit_6_swizzle_x)); | |
1829 | seq_printf(m, "bit6 swizzle for Y-tiling = %s\n", | |
1830 | swizzle_string(dev_priv->mm.bit_6_swizzle_y)); | |
1831 | ||
1832 | if (IS_GEN3(dev) || IS_GEN4(dev)) { | |
1833 | seq_printf(m, "DDC = 0x%08x\n", | |
1834 | I915_READ(DCC)); | |
1835 | seq_printf(m, "C0DRB3 = 0x%04x\n", | |
1836 | I915_READ16(C0DRB3)); | |
1837 | seq_printf(m, "C1DRB3 = 0x%04x\n", | |
1838 | I915_READ16(C1DRB3)); | |
9d3203e1 | 1839 | } else if (INTEL_INFO(dev)->gen >= 6) { |
3fa7d235 DV |
1840 | seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n", |
1841 | I915_READ(MAD_DIMM_C0)); | |
1842 | seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n", | |
1843 | I915_READ(MAD_DIMM_C1)); | |
1844 | seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n", | |
1845 | I915_READ(MAD_DIMM_C2)); | |
1846 | seq_printf(m, "TILECTL = 0x%08x\n", | |
1847 | I915_READ(TILECTL)); | |
9d3203e1 BW |
1848 | if (IS_GEN8(dev)) |
1849 | seq_printf(m, "GAMTARBMODE = 0x%08x\n", | |
1850 | I915_READ(GAMTARBMODE)); | |
1851 | else | |
1852 | seq_printf(m, "ARB_MODE = 0x%08x\n", | |
1853 | I915_READ(ARB_MODE)); | |
3fa7d235 DV |
1854 | seq_printf(m, "DISP_ARB_CTL = 0x%08x\n", |
1855 | I915_READ(DISP_ARB_CTL)); | |
ea16a3cd | 1856 | } |
c8c8fb33 | 1857 | intel_runtime_pm_put(dev_priv); |
ea16a3cd DV |
1858 | mutex_unlock(&dev->struct_mutex); |
1859 | ||
1860 | return 0; | |
1861 | } | |
1862 | ||
1c60fef5 BW |
1863 | static int per_file_ctx(int id, void *ptr, void *data) |
1864 | { | |
273497e5 | 1865 | struct intel_context *ctx = ptr; |
1c60fef5 BW |
1866 | struct seq_file *m = data; |
1867 | struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(ctx); | |
1868 | ||
f83d6518 OM |
1869 | if (i915_gem_context_is_default(ctx)) |
1870 | seq_puts(m, " default context:\n"); | |
1871 | else | |
1872 | seq_printf(m, " context %d:\n", ctx->id); | |
1c60fef5 BW |
1873 | ppgtt->debug_dump(ppgtt, m); |
1874 | ||
1875 | return 0; | |
1876 | } | |
1877 | ||
77df6772 | 1878 | static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev) |
3cf17fc5 | 1879 | { |
3cf17fc5 | 1880 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 1881 | struct intel_engine_cs *ring; |
77df6772 BW |
1882 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; |
1883 | int unused, i; | |
3cf17fc5 | 1884 | |
77df6772 BW |
1885 | if (!ppgtt) |
1886 | return; | |
1887 | ||
1888 | seq_printf(m, "Page directories: %d\n", ppgtt->num_pd_pages); | |
5abbcca3 | 1889 | seq_printf(m, "Page tables: %d\n", ppgtt->num_pd_entries); |
77df6772 BW |
1890 | for_each_ring(ring, dev_priv, unused) { |
1891 | seq_printf(m, "%s\n", ring->name); | |
1892 | for (i = 0; i < 4; i++) { | |
1893 | u32 offset = 0x270 + i * 8; | |
1894 | u64 pdp = I915_READ(ring->mmio_base + offset + 4); | |
1895 | pdp <<= 32; | |
1896 | pdp |= I915_READ(ring->mmio_base + offset); | |
a2a5b15c | 1897 | seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp); |
77df6772 BW |
1898 | } |
1899 | } | |
1900 | } | |
1901 | ||
1902 | static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev) | |
1903 | { | |
1904 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a4872ba6 | 1905 | struct intel_engine_cs *ring; |
1c60fef5 | 1906 | struct drm_file *file; |
77df6772 | 1907 | int i; |
3cf17fc5 | 1908 | |
3cf17fc5 DV |
1909 | if (INTEL_INFO(dev)->gen == 6) |
1910 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE)); | |
1911 | ||
a2c7f6fd | 1912 | for_each_ring(ring, dev_priv, i) { |
3cf17fc5 DV |
1913 | seq_printf(m, "%s\n", ring->name); |
1914 | if (INTEL_INFO(dev)->gen == 7) | |
1915 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring))); | |
1916 | seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring))); | |
1917 | seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring))); | |
1918 | seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring))); | |
1919 | } | |
1920 | if (dev_priv->mm.aliasing_ppgtt) { | |
1921 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; | |
1922 | ||
267f0c90 | 1923 | seq_puts(m, "aliasing PPGTT:\n"); |
3cf17fc5 | 1924 | seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset); |
1c60fef5 | 1925 | |
87d60b63 | 1926 | ppgtt->debug_dump(ppgtt, m); |
1c60fef5 BW |
1927 | } else |
1928 | return; | |
1929 | ||
1930 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { | |
1931 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
1c60fef5 | 1932 | |
1c60fef5 BW |
1933 | seq_printf(m, "proc: %s\n", |
1934 | get_pid_task(file->pid, PIDTYPE_PID)->comm); | |
1c60fef5 | 1935 | idr_for_each(&file_priv->context_idr, per_file_ctx, m); |
3cf17fc5 DV |
1936 | } |
1937 | seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); | |
77df6772 BW |
1938 | } |
1939 | ||
1940 | static int i915_ppgtt_info(struct seq_file *m, void *data) | |
1941 | { | |
9f25d007 | 1942 | struct drm_info_node *node = m->private; |
77df6772 | 1943 | struct drm_device *dev = node->minor->dev; |
c8c8fb33 | 1944 | struct drm_i915_private *dev_priv = dev->dev_private; |
77df6772 BW |
1945 | |
1946 | int ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1947 | if (ret) | |
1948 | return ret; | |
c8c8fb33 | 1949 | intel_runtime_pm_get(dev_priv); |
77df6772 BW |
1950 | |
1951 | if (INTEL_INFO(dev)->gen >= 8) | |
1952 | gen8_ppgtt_info(m, dev); | |
1953 | else if (INTEL_INFO(dev)->gen >= 6) | |
1954 | gen6_ppgtt_info(m, dev); | |
1955 | ||
c8c8fb33 | 1956 | intel_runtime_pm_put(dev_priv); |
3cf17fc5 DV |
1957 | mutex_unlock(&dev->struct_mutex); |
1958 | ||
1959 | return 0; | |
1960 | } | |
1961 | ||
63573eb7 BW |
1962 | static int i915_llc(struct seq_file *m, void *data) |
1963 | { | |
9f25d007 | 1964 | struct drm_info_node *node = m->private; |
63573eb7 BW |
1965 | struct drm_device *dev = node->minor->dev; |
1966 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1967 | ||
1968 | /* Size calculation for LLC is a bit of a pain. Ignore for now. */ | |
1969 | seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev))); | |
1970 | seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size); | |
1971 | ||
1972 | return 0; | |
1973 | } | |
1974 | ||
e91fd8c6 RV |
1975 | static int i915_edp_psr_status(struct seq_file *m, void *data) |
1976 | { | |
1977 | struct drm_info_node *node = m->private; | |
1978 | struct drm_device *dev = node->minor->dev; | |
1979 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a031d709 RV |
1980 | u32 psrperf = 0; |
1981 | bool enabled = false; | |
e91fd8c6 | 1982 | |
c8c8fb33 PZ |
1983 | intel_runtime_pm_get(dev_priv); |
1984 | ||
a031d709 RV |
1985 | seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); |
1986 | seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); | |
5755c78f RV |
1987 | seq_printf(m, "Enabled: %s\n", yesno(dev_priv->psr.enabled)); |
1988 | seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); | |
e91fd8c6 | 1989 | |
a031d709 RV |
1990 | enabled = HAS_PSR(dev) && |
1991 | I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE; | |
5755c78f | 1992 | seq_printf(m, "HW Enabled & Active bit: %s\n", yesno(enabled)); |
e91fd8c6 | 1993 | |
a031d709 RV |
1994 | if (HAS_PSR(dev)) |
1995 | psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) & | |
1996 | EDP_PSR_PERF_CNT_MASK; | |
1997 | seq_printf(m, "Performance_Counter: %u\n", psrperf); | |
e91fd8c6 | 1998 | |
c8c8fb33 | 1999 | intel_runtime_pm_put(dev_priv); |
e91fd8c6 RV |
2000 | return 0; |
2001 | } | |
2002 | ||
d2e216d0 RV |
2003 | static int i915_sink_crc(struct seq_file *m, void *data) |
2004 | { | |
2005 | struct drm_info_node *node = m->private; | |
2006 | struct drm_device *dev = node->minor->dev; | |
2007 | struct intel_encoder *encoder; | |
2008 | struct intel_connector *connector; | |
2009 | struct intel_dp *intel_dp = NULL; | |
2010 | int ret; | |
2011 | u8 crc[6]; | |
2012 | ||
2013 | drm_modeset_lock_all(dev); | |
2014 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
2015 | base.head) { | |
2016 | ||
2017 | if (connector->base.dpms != DRM_MODE_DPMS_ON) | |
2018 | continue; | |
2019 | ||
b6ae3c7c PZ |
2020 | if (!connector->base.encoder) |
2021 | continue; | |
2022 | ||
d2e216d0 RV |
2023 | encoder = to_intel_encoder(connector->base.encoder); |
2024 | if (encoder->type != INTEL_OUTPUT_EDP) | |
2025 | continue; | |
2026 | ||
2027 | intel_dp = enc_to_intel_dp(&encoder->base); | |
2028 | ||
2029 | ret = intel_dp_sink_crc(intel_dp, crc); | |
2030 | if (ret) | |
2031 | goto out; | |
2032 | ||
2033 | seq_printf(m, "%02x%02x%02x%02x%02x%02x\n", | |
2034 | crc[0], crc[1], crc[2], | |
2035 | crc[3], crc[4], crc[5]); | |
2036 | goto out; | |
2037 | } | |
2038 | ret = -ENODEV; | |
2039 | out: | |
2040 | drm_modeset_unlock_all(dev); | |
2041 | return ret; | |
2042 | } | |
2043 | ||
ec013e7f JB |
2044 | static int i915_energy_uJ(struct seq_file *m, void *data) |
2045 | { | |
2046 | struct drm_info_node *node = m->private; | |
2047 | struct drm_device *dev = node->minor->dev; | |
2048 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2049 | u64 power; | |
2050 | u32 units; | |
2051 | ||
2052 | if (INTEL_INFO(dev)->gen < 6) | |
2053 | return -ENODEV; | |
2054 | ||
36623ef8 PZ |
2055 | intel_runtime_pm_get(dev_priv); |
2056 | ||
ec013e7f JB |
2057 | rdmsrl(MSR_RAPL_POWER_UNIT, power); |
2058 | power = (power & 0x1f00) >> 8; | |
2059 | units = 1000000 / (1 << power); /* convert to uJ */ | |
2060 | power = I915_READ(MCH_SECP_NRG_STTS); | |
2061 | power *= units; | |
2062 | ||
36623ef8 PZ |
2063 | intel_runtime_pm_put(dev_priv); |
2064 | ||
ec013e7f | 2065 | seq_printf(m, "%llu", (long long unsigned)power); |
371db66a PZ |
2066 | |
2067 | return 0; | |
2068 | } | |
2069 | ||
2070 | static int i915_pc8_status(struct seq_file *m, void *unused) | |
2071 | { | |
9f25d007 | 2072 | struct drm_info_node *node = m->private; |
371db66a PZ |
2073 | struct drm_device *dev = node->minor->dev; |
2074 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2075 | ||
85b8d5c2 | 2076 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { |
371db66a PZ |
2077 | seq_puts(m, "not supported\n"); |
2078 | return 0; | |
2079 | } | |
2080 | ||
86c4ec0d | 2081 | seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy)); |
371db66a | 2082 | seq_printf(m, "IRQs disabled: %s\n", |
5d584b2e | 2083 | yesno(dev_priv->pm.irqs_disabled)); |
371db66a | 2084 | |
ec013e7f JB |
2085 | return 0; |
2086 | } | |
2087 | ||
1da51581 ID |
2088 | static const char *power_domain_str(enum intel_display_power_domain domain) |
2089 | { | |
2090 | switch (domain) { | |
2091 | case POWER_DOMAIN_PIPE_A: | |
2092 | return "PIPE_A"; | |
2093 | case POWER_DOMAIN_PIPE_B: | |
2094 | return "PIPE_B"; | |
2095 | case POWER_DOMAIN_PIPE_C: | |
2096 | return "PIPE_C"; | |
2097 | case POWER_DOMAIN_PIPE_A_PANEL_FITTER: | |
2098 | return "PIPE_A_PANEL_FITTER"; | |
2099 | case POWER_DOMAIN_PIPE_B_PANEL_FITTER: | |
2100 | return "PIPE_B_PANEL_FITTER"; | |
2101 | case POWER_DOMAIN_PIPE_C_PANEL_FITTER: | |
2102 | return "PIPE_C_PANEL_FITTER"; | |
2103 | case POWER_DOMAIN_TRANSCODER_A: | |
2104 | return "TRANSCODER_A"; | |
2105 | case POWER_DOMAIN_TRANSCODER_B: | |
2106 | return "TRANSCODER_B"; | |
2107 | case POWER_DOMAIN_TRANSCODER_C: | |
2108 | return "TRANSCODER_C"; | |
2109 | case POWER_DOMAIN_TRANSCODER_EDP: | |
2110 | return "TRANSCODER_EDP"; | |
319be8ae ID |
2111 | case POWER_DOMAIN_PORT_DDI_A_2_LANES: |
2112 | return "PORT_DDI_A_2_LANES"; | |
2113 | case POWER_DOMAIN_PORT_DDI_A_4_LANES: | |
2114 | return "PORT_DDI_A_4_LANES"; | |
2115 | case POWER_DOMAIN_PORT_DDI_B_2_LANES: | |
2116 | return "PORT_DDI_B_2_LANES"; | |
2117 | case POWER_DOMAIN_PORT_DDI_B_4_LANES: | |
2118 | return "PORT_DDI_B_4_LANES"; | |
2119 | case POWER_DOMAIN_PORT_DDI_C_2_LANES: | |
2120 | return "PORT_DDI_C_2_LANES"; | |
2121 | case POWER_DOMAIN_PORT_DDI_C_4_LANES: | |
2122 | return "PORT_DDI_C_4_LANES"; | |
2123 | case POWER_DOMAIN_PORT_DDI_D_2_LANES: | |
2124 | return "PORT_DDI_D_2_LANES"; | |
2125 | case POWER_DOMAIN_PORT_DDI_D_4_LANES: | |
2126 | return "PORT_DDI_D_4_LANES"; | |
2127 | case POWER_DOMAIN_PORT_DSI: | |
2128 | return "PORT_DSI"; | |
2129 | case POWER_DOMAIN_PORT_CRT: | |
2130 | return "PORT_CRT"; | |
2131 | case POWER_DOMAIN_PORT_OTHER: | |
2132 | return "PORT_OTHER"; | |
1da51581 ID |
2133 | case POWER_DOMAIN_VGA: |
2134 | return "VGA"; | |
2135 | case POWER_DOMAIN_AUDIO: | |
2136 | return "AUDIO"; | |
2137 | case POWER_DOMAIN_INIT: | |
2138 | return "INIT"; | |
2139 | default: | |
2140 | WARN_ON(1); | |
2141 | return "?"; | |
2142 | } | |
2143 | } | |
2144 | ||
2145 | static int i915_power_domain_info(struct seq_file *m, void *unused) | |
2146 | { | |
9f25d007 | 2147 | struct drm_info_node *node = m->private; |
1da51581 ID |
2148 | struct drm_device *dev = node->minor->dev; |
2149 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2150 | struct i915_power_domains *power_domains = &dev_priv->power_domains; | |
2151 | int i; | |
2152 | ||
2153 | mutex_lock(&power_domains->lock); | |
2154 | ||
2155 | seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count"); | |
2156 | for (i = 0; i < power_domains->power_well_count; i++) { | |
2157 | struct i915_power_well *power_well; | |
2158 | enum intel_display_power_domain power_domain; | |
2159 | ||
2160 | power_well = &power_domains->power_wells[i]; | |
2161 | seq_printf(m, "%-25s %d\n", power_well->name, | |
2162 | power_well->count); | |
2163 | ||
2164 | for (power_domain = 0; power_domain < POWER_DOMAIN_NUM; | |
2165 | power_domain++) { | |
2166 | if (!(BIT(power_domain) & power_well->domains)) | |
2167 | continue; | |
2168 | ||
2169 | seq_printf(m, " %-23s %d\n", | |
2170 | power_domain_str(power_domain), | |
2171 | power_domains->domain_use_count[power_domain]); | |
2172 | } | |
2173 | } | |
2174 | ||
2175 | mutex_unlock(&power_domains->lock); | |
2176 | ||
2177 | return 0; | |
2178 | } | |
2179 | ||
53f5e3ca JB |
2180 | static void intel_seq_print_mode(struct seq_file *m, int tabs, |
2181 | struct drm_display_mode *mode) | |
2182 | { | |
2183 | int i; | |
2184 | ||
2185 | for (i = 0; i < tabs; i++) | |
2186 | seq_putc(m, '\t'); | |
2187 | ||
2188 | 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", | |
2189 | mode->base.id, mode->name, | |
2190 | mode->vrefresh, mode->clock, | |
2191 | mode->hdisplay, mode->hsync_start, | |
2192 | mode->hsync_end, mode->htotal, | |
2193 | mode->vdisplay, mode->vsync_start, | |
2194 | mode->vsync_end, mode->vtotal, | |
2195 | mode->type, mode->flags); | |
2196 | } | |
2197 | ||
2198 | static void intel_encoder_info(struct seq_file *m, | |
2199 | struct intel_crtc *intel_crtc, | |
2200 | struct intel_encoder *intel_encoder) | |
2201 | { | |
9f25d007 | 2202 | struct drm_info_node *node = m->private; |
53f5e3ca JB |
2203 | struct drm_device *dev = node->minor->dev; |
2204 | struct drm_crtc *crtc = &intel_crtc->base; | |
2205 | struct intel_connector *intel_connector; | |
2206 | struct drm_encoder *encoder; | |
2207 | ||
2208 | encoder = &intel_encoder->base; | |
2209 | seq_printf(m, "\tencoder %d: type: %s, connectors:\n", | |
8e329a03 | 2210 | encoder->base.id, encoder->name); |
53f5e3ca JB |
2211 | for_each_connector_on_encoder(dev, encoder, intel_connector) { |
2212 | struct drm_connector *connector = &intel_connector->base; | |
2213 | seq_printf(m, "\t\tconnector %d: type: %s, status: %s", | |
2214 | connector->base.id, | |
c23cc417 | 2215 | connector->name, |
53f5e3ca JB |
2216 | drm_get_connector_status_name(connector->status)); |
2217 | if (connector->status == connector_status_connected) { | |
2218 | struct drm_display_mode *mode = &crtc->mode; | |
2219 | seq_printf(m, ", mode:\n"); | |
2220 | intel_seq_print_mode(m, 2, mode); | |
2221 | } else { | |
2222 | seq_putc(m, '\n'); | |
2223 | } | |
2224 | } | |
2225 | } | |
2226 | ||
2227 | static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
2228 | { | |
9f25d007 | 2229 | struct drm_info_node *node = m->private; |
53f5e3ca JB |
2230 | struct drm_device *dev = node->minor->dev; |
2231 | struct drm_crtc *crtc = &intel_crtc->base; | |
2232 | struct intel_encoder *intel_encoder; | |
2233 | ||
5aa8a937 MR |
2234 | if (crtc->primary->fb) |
2235 | seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n", | |
2236 | crtc->primary->fb->base.id, crtc->x, crtc->y, | |
2237 | crtc->primary->fb->width, crtc->primary->fb->height); | |
2238 | else | |
2239 | seq_puts(m, "\tprimary plane disabled\n"); | |
53f5e3ca JB |
2240 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
2241 | intel_encoder_info(m, intel_crtc, intel_encoder); | |
2242 | } | |
2243 | ||
2244 | static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) | |
2245 | { | |
2246 | struct drm_display_mode *mode = panel->fixed_mode; | |
2247 | ||
2248 | seq_printf(m, "\tfixed mode:\n"); | |
2249 | intel_seq_print_mode(m, 2, mode); | |
2250 | } | |
2251 | ||
2252 | static void intel_dp_info(struct seq_file *m, | |
2253 | struct intel_connector *intel_connector) | |
2254 | { | |
2255 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2256 | struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); | |
2257 | ||
2258 | seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]); | |
2259 | seq_printf(m, "\taudio support: %s\n", intel_dp->has_audio ? "yes" : | |
2260 | "no"); | |
2261 | if (intel_encoder->type == INTEL_OUTPUT_EDP) | |
2262 | intel_panel_info(m, &intel_connector->panel); | |
2263 | } | |
2264 | ||
2265 | static void intel_hdmi_info(struct seq_file *m, | |
2266 | struct intel_connector *intel_connector) | |
2267 | { | |
2268 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2269 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); | |
2270 | ||
2271 | seq_printf(m, "\taudio support: %s\n", intel_hdmi->has_audio ? "yes" : | |
2272 | "no"); | |
2273 | } | |
2274 | ||
2275 | static void intel_lvds_info(struct seq_file *m, | |
2276 | struct intel_connector *intel_connector) | |
2277 | { | |
2278 | intel_panel_info(m, &intel_connector->panel); | |
2279 | } | |
2280 | ||
2281 | static void intel_connector_info(struct seq_file *m, | |
2282 | struct drm_connector *connector) | |
2283 | { | |
2284 | struct intel_connector *intel_connector = to_intel_connector(connector); | |
2285 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
f103fc7d | 2286 | struct drm_display_mode *mode; |
53f5e3ca JB |
2287 | |
2288 | seq_printf(m, "connector %d: type %s, status: %s\n", | |
c23cc417 | 2289 | connector->base.id, connector->name, |
53f5e3ca JB |
2290 | drm_get_connector_status_name(connector->status)); |
2291 | if (connector->status == connector_status_connected) { | |
2292 | seq_printf(m, "\tname: %s\n", connector->display_info.name); | |
2293 | seq_printf(m, "\tphysical dimensions: %dx%dmm\n", | |
2294 | connector->display_info.width_mm, | |
2295 | connector->display_info.height_mm); | |
2296 | seq_printf(m, "\tsubpixel order: %s\n", | |
2297 | drm_get_subpixel_order_name(connector->display_info.subpixel_order)); | |
2298 | seq_printf(m, "\tCEA rev: %d\n", | |
2299 | connector->display_info.cea_rev); | |
2300 | } | |
2301 | if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT || | |
2302 | intel_encoder->type == INTEL_OUTPUT_EDP) | |
2303 | intel_dp_info(m, intel_connector); | |
2304 | else if (intel_encoder->type == INTEL_OUTPUT_HDMI) | |
2305 | intel_hdmi_info(m, intel_connector); | |
2306 | else if (intel_encoder->type == INTEL_OUTPUT_LVDS) | |
2307 | intel_lvds_info(m, intel_connector); | |
2308 | ||
f103fc7d JB |
2309 | seq_printf(m, "\tmodes:\n"); |
2310 | list_for_each_entry(mode, &connector->modes, head) | |
2311 | intel_seq_print_mode(m, 2, mode); | |
53f5e3ca JB |
2312 | } |
2313 | ||
065f2ec2 CW |
2314 | static bool cursor_active(struct drm_device *dev, int pipe) |
2315 | { | |
2316 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2317 | u32 state; | |
2318 | ||
2319 | if (IS_845G(dev) || IS_I865G(dev)) | |
2320 | state = I915_READ(_CURACNTR) & CURSOR_ENABLE; | |
065f2ec2 | 2321 | else |
5efb3e28 | 2322 | state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
065f2ec2 CW |
2323 | |
2324 | return state; | |
2325 | } | |
2326 | ||
2327 | static bool cursor_position(struct drm_device *dev, int pipe, int *x, int *y) | |
2328 | { | |
2329 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2330 | u32 pos; | |
2331 | ||
5efb3e28 | 2332 | pos = I915_READ(CURPOS(pipe)); |
065f2ec2 CW |
2333 | |
2334 | *x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK; | |
2335 | if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT)) | |
2336 | *x = -*x; | |
2337 | ||
2338 | *y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK; | |
2339 | if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT)) | |
2340 | *y = -*y; | |
2341 | ||
2342 | return cursor_active(dev, pipe); | |
2343 | } | |
2344 | ||
53f5e3ca JB |
2345 | static int i915_display_info(struct seq_file *m, void *unused) |
2346 | { | |
9f25d007 | 2347 | struct drm_info_node *node = m->private; |
53f5e3ca | 2348 | struct drm_device *dev = node->minor->dev; |
b0e5ddf3 | 2349 | struct drm_i915_private *dev_priv = dev->dev_private; |
065f2ec2 | 2350 | struct intel_crtc *crtc; |
53f5e3ca JB |
2351 | struct drm_connector *connector; |
2352 | ||
b0e5ddf3 | 2353 | intel_runtime_pm_get(dev_priv); |
53f5e3ca JB |
2354 | drm_modeset_lock_all(dev); |
2355 | seq_printf(m, "CRTC info\n"); | |
2356 | seq_printf(m, "---------\n"); | |
d3fcc808 | 2357 | for_each_intel_crtc(dev, crtc) { |
065f2ec2 CW |
2358 | bool active; |
2359 | int x, y; | |
53f5e3ca | 2360 | |
57127efa | 2361 | seq_printf(m, "CRTC %d: pipe: %c, active=%s (size=%dx%d)\n", |
065f2ec2 | 2362 | crtc->base.base.id, pipe_name(crtc->pipe), |
57127efa | 2363 | yesno(crtc->active), crtc->config.pipe_src_w, crtc->config.pipe_src_h); |
a23dc658 | 2364 | if (crtc->active) { |
065f2ec2 CW |
2365 | intel_crtc_info(m, crtc); |
2366 | ||
a23dc658 | 2367 | active = cursor_position(dev, crtc->pipe, &x, &y); |
57127efa | 2368 | seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n", |
4b0e333e | 2369 | yesno(crtc->cursor_base), |
57127efa CW |
2370 | x, y, crtc->cursor_width, crtc->cursor_height, |
2371 | crtc->cursor_addr, yesno(active)); | |
a23dc658 | 2372 | } |
cace841c DV |
2373 | |
2374 | seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n", | |
2375 | yesno(!crtc->cpu_fifo_underrun_disabled), | |
2376 | yesno(!crtc->pch_fifo_underrun_disabled)); | |
53f5e3ca JB |
2377 | } |
2378 | ||
2379 | seq_printf(m, "\n"); | |
2380 | seq_printf(m, "Connector info\n"); | |
2381 | seq_printf(m, "--------------\n"); | |
2382 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2383 | intel_connector_info(m, connector); | |
2384 | } | |
2385 | drm_modeset_unlock_all(dev); | |
b0e5ddf3 | 2386 | intel_runtime_pm_put(dev_priv); |
53f5e3ca JB |
2387 | |
2388 | return 0; | |
2389 | } | |
2390 | ||
07144428 DL |
2391 | struct pipe_crc_info { |
2392 | const char *name; | |
2393 | struct drm_device *dev; | |
2394 | enum pipe pipe; | |
2395 | }; | |
2396 | ||
2397 | static int i915_pipe_crc_open(struct inode *inode, struct file *filep) | |
2398 | { | |
be5c7a90 DL |
2399 | struct pipe_crc_info *info = inode->i_private; |
2400 | struct drm_i915_private *dev_priv = info->dev->dev_private; | |
2401 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
2402 | ||
7eb1c496 DV |
2403 | if (info->pipe >= INTEL_INFO(info->dev)->num_pipes) |
2404 | return -ENODEV; | |
2405 | ||
d538bbdf DL |
2406 | spin_lock_irq(&pipe_crc->lock); |
2407 | ||
2408 | if (pipe_crc->opened) { | |
2409 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 DL |
2410 | return -EBUSY; /* already open */ |
2411 | } | |
2412 | ||
d538bbdf | 2413 | pipe_crc->opened = true; |
07144428 DL |
2414 | filep->private_data = inode->i_private; |
2415 | ||
d538bbdf DL |
2416 | spin_unlock_irq(&pipe_crc->lock); |
2417 | ||
07144428 DL |
2418 | return 0; |
2419 | } | |
2420 | ||
2421 | static int i915_pipe_crc_release(struct inode *inode, struct file *filep) | |
2422 | { | |
be5c7a90 DL |
2423 | struct pipe_crc_info *info = inode->i_private; |
2424 | struct drm_i915_private *dev_priv = info->dev->dev_private; | |
2425 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
2426 | ||
d538bbdf DL |
2427 | spin_lock_irq(&pipe_crc->lock); |
2428 | pipe_crc->opened = false; | |
2429 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 | 2430 | |
07144428 DL |
2431 | return 0; |
2432 | } | |
2433 | ||
2434 | /* (6 fields, 8 chars each, space separated (5) + '\n') */ | |
2435 | #define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1) | |
2436 | /* account for \'0' */ | |
2437 | #define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1) | |
2438 | ||
2439 | static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc) | |
8bf1e9f1 | 2440 | { |
d538bbdf DL |
2441 | assert_spin_locked(&pipe_crc->lock); |
2442 | return CIRC_CNT(pipe_crc->head, pipe_crc->tail, | |
2443 | INTEL_PIPE_CRC_ENTRIES_NR); | |
07144428 DL |
2444 | } |
2445 | ||
2446 | static ssize_t | |
2447 | i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count, | |
2448 | loff_t *pos) | |
2449 | { | |
2450 | struct pipe_crc_info *info = filep->private_data; | |
2451 | struct drm_device *dev = info->dev; | |
2452 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2453 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
2454 | char buf[PIPE_CRC_BUFFER_LEN]; | |
2455 | int head, tail, n_entries, n; | |
2456 | ssize_t bytes_read; | |
2457 | ||
2458 | /* | |
2459 | * Don't allow user space to provide buffers not big enough to hold | |
2460 | * a line of data. | |
2461 | */ | |
2462 | if (count < PIPE_CRC_LINE_LEN) | |
2463 | return -EINVAL; | |
2464 | ||
2465 | if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE) | |
8bf1e9f1 | 2466 | return 0; |
07144428 DL |
2467 | |
2468 | /* nothing to read */ | |
d538bbdf | 2469 | spin_lock_irq(&pipe_crc->lock); |
07144428 | 2470 | while (pipe_crc_data_count(pipe_crc) == 0) { |
d538bbdf DL |
2471 | int ret; |
2472 | ||
2473 | if (filep->f_flags & O_NONBLOCK) { | |
2474 | spin_unlock_irq(&pipe_crc->lock); | |
07144428 | 2475 | return -EAGAIN; |
d538bbdf | 2476 | } |
07144428 | 2477 | |
d538bbdf DL |
2478 | ret = wait_event_interruptible_lock_irq(pipe_crc->wq, |
2479 | pipe_crc_data_count(pipe_crc), pipe_crc->lock); | |
2480 | if (ret) { | |
2481 | spin_unlock_irq(&pipe_crc->lock); | |
2482 | return ret; | |
2483 | } | |
8bf1e9f1 SH |
2484 | } |
2485 | ||
07144428 | 2486 | /* We now have one or more entries to read */ |
d538bbdf DL |
2487 | head = pipe_crc->head; |
2488 | tail = pipe_crc->tail; | |
07144428 DL |
2489 | n_entries = min((size_t)CIRC_CNT(head, tail, INTEL_PIPE_CRC_ENTRIES_NR), |
2490 | count / PIPE_CRC_LINE_LEN); | |
d538bbdf DL |
2491 | spin_unlock_irq(&pipe_crc->lock); |
2492 | ||
07144428 DL |
2493 | bytes_read = 0; |
2494 | n = 0; | |
2495 | do { | |
b2c88f5b | 2496 | struct intel_pipe_crc_entry *entry = &pipe_crc->entries[tail]; |
07144428 | 2497 | int ret; |
8bf1e9f1 | 2498 | |
07144428 DL |
2499 | bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN, |
2500 | "%8u %8x %8x %8x %8x %8x\n", | |
2501 | entry->frame, entry->crc[0], | |
2502 | entry->crc[1], entry->crc[2], | |
2503 | entry->crc[3], entry->crc[4]); | |
2504 | ||
2505 | ret = copy_to_user(user_buf + n * PIPE_CRC_LINE_LEN, | |
2506 | buf, PIPE_CRC_LINE_LEN); | |
2507 | if (ret == PIPE_CRC_LINE_LEN) | |
2508 | return -EFAULT; | |
b2c88f5b DL |
2509 | |
2510 | BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR); | |
2511 | tail = (tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1); | |
07144428 DL |
2512 | n++; |
2513 | } while (--n_entries); | |
8bf1e9f1 | 2514 | |
d538bbdf DL |
2515 | spin_lock_irq(&pipe_crc->lock); |
2516 | pipe_crc->tail = tail; | |
2517 | spin_unlock_irq(&pipe_crc->lock); | |
2518 | ||
07144428 DL |
2519 | return bytes_read; |
2520 | } | |
2521 | ||
2522 | static const struct file_operations i915_pipe_crc_fops = { | |
2523 | .owner = THIS_MODULE, | |
2524 | .open = i915_pipe_crc_open, | |
2525 | .read = i915_pipe_crc_read, | |
2526 | .release = i915_pipe_crc_release, | |
2527 | }; | |
2528 | ||
2529 | static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = { | |
2530 | { | |
2531 | .name = "i915_pipe_A_crc", | |
2532 | .pipe = PIPE_A, | |
2533 | }, | |
2534 | { | |
2535 | .name = "i915_pipe_B_crc", | |
2536 | .pipe = PIPE_B, | |
2537 | }, | |
2538 | { | |
2539 | .name = "i915_pipe_C_crc", | |
2540 | .pipe = PIPE_C, | |
2541 | }, | |
2542 | }; | |
2543 | ||
2544 | static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor, | |
2545 | enum pipe pipe) | |
2546 | { | |
2547 | struct drm_device *dev = minor->dev; | |
2548 | struct dentry *ent; | |
2549 | struct pipe_crc_info *info = &i915_pipe_crc_data[pipe]; | |
2550 | ||
2551 | info->dev = dev; | |
2552 | ent = debugfs_create_file(info->name, S_IRUGO, root, info, | |
2553 | &i915_pipe_crc_fops); | |
f3c5fe97 WY |
2554 | if (!ent) |
2555 | return -ENOMEM; | |
07144428 DL |
2556 | |
2557 | return drm_add_fake_info_node(minor, ent, info); | |
8bf1e9f1 SH |
2558 | } |
2559 | ||
e8dfcf78 | 2560 | static const char * const pipe_crc_sources[] = { |
926321d5 DV |
2561 | "none", |
2562 | "plane1", | |
2563 | "plane2", | |
2564 | "pf", | |
5b3a856b | 2565 | "pipe", |
3d099a05 DV |
2566 | "TV", |
2567 | "DP-B", | |
2568 | "DP-C", | |
2569 | "DP-D", | |
46a19188 | 2570 | "auto", |
926321d5 DV |
2571 | }; |
2572 | ||
2573 | static const char *pipe_crc_source_name(enum intel_pipe_crc_source source) | |
2574 | { | |
2575 | BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX); | |
2576 | return pipe_crc_sources[source]; | |
2577 | } | |
2578 | ||
bd9db02f | 2579 | static int display_crc_ctl_show(struct seq_file *m, void *data) |
926321d5 DV |
2580 | { |
2581 | struct drm_device *dev = m->private; | |
2582 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2583 | int i; | |
2584 | ||
2585 | for (i = 0; i < I915_MAX_PIPES; i++) | |
2586 | seq_printf(m, "%c %s\n", pipe_name(i), | |
2587 | pipe_crc_source_name(dev_priv->pipe_crc[i].source)); | |
2588 | ||
2589 | return 0; | |
2590 | } | |
2591 | ||
bd9db02f | 2592 | static int display_crc_ctl_open(struct inode *inode, struct file *file) |
926321d5 DV |
2593 | { |
2594 | struct drm_device *dev = inode->i_private; | |
2595 | ||
bd9db02f | 2596 | return single_open(file, display_crc_ctl_show, dev); |
926321d5 DV |
2597 | } |
2598 | ||
46a19188 | 2599 | static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
52f843f6 DV |
2600 | uint32_t *val) |
2601 | { | |
46a19188 DV |
2602 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
2603 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
2604 | ||
2605 | switch (*source) { | |
52f843f6 DV |
2606 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
2607 | *val = PIPE_CRC_ENABLE | PIPE_CRC_INCLUDE_BORDER_I8XX; | |
2608 | break; | |
2609 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
2610 | *val = 0; | |
2611 | break; | |
2612 | default: | |
2613 | return -EINVAL; | |
2614 | } | |
2615 | ||
2616 | return 0; | |
2617 | } | |
2618 | ||
46a19188 DV |
2619 | static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe, |
2620 | enum intel_pipe_crc_source *source) | |
2621 | { | |
2622 | struct intel_encoder *encoder; | |
2623 | struct intel_crtc *crtc; | |
26756809 | 2624 | struct intel_digital_port *dig_port; |
46a19188 DV |
2625 | int ret = 0; |
2626 | ||
2627 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
2628 | ||
6e9f798d | 2629 | drm_modeset_lock_all(dev); |
46a19188 DV |
2630 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
2631 | base.head) { | |
2632 | if (!encoder->base.crtc) | |
2633 | continue; | |
2634 | ||
2635 | crtc = to_intel_crtc(encoder->base.crtc); | |
2636 | ||
2637 | if (crtc->pipe != pipe) | |
2638 | continue; | |
2639 | ||
2640 | switch (encoder->type) { | |
2641 | case INTEL_OUTPUT_TVOUT: | |
2642 | *source = INTEL_PIPE_CRC_SOURCE_TV; | |
2643 | break; | |
2644 | case INTEL_OUTPUT_DISPLAYPORT: | |
2645 | case INTEL_OUTPUT_EDP: | |
26756809 DV |
2646 | dig_port = enc_to_dig_port(&encoder->base); |
2647 | switch (dig_port->port) { | |
2648 | case PORT_B: | |
2649 | *source = INTEL_PIPE_CRC_SOURCE_DP_B; | |
2650 | break; | |
2651 | case PORT_C: | |
2652 | *source = INTEL_PIPE_CRC_SOURCE_DP_C; | |
2653 | break; | |
2654 | case PORT_D: | |
2655 | *source = INTEL_PIPE_CRC_SOURCE_DP_D; | |
2656 | break; | |
2657 | default: | |
2658 | WARN(1, "nonexisting DP port %c\n", | |
2659 | port_name(dig_port->port)); | |
2660 | break; | |
2661 | } | |
46a19188 DV |
2662 | break; |
2663 | } | |
2664 | } | |
6e9f798d | 2665 | drm_modeset_unlock_all(dev); |
46a19188 DV |
2666 | |
2667 | return ret; | |
2668 | } | |
2669 | ||
2670 | static int vlv_pipe_crc_ctl_reg(struct drm_device *dev, | |
2671 | enum pipe pipe, | |
2672 | enum intel_pipe_crc_source *source, | |
7ac0129b DV |
2673 | uint32_t *val) |
2674 | { | |
8d2f24ca DV |
2675 | struct drm_i915_private *dev_priv = dev->dev_private; |
2676 | bool need_stable_symbols = false; | |
2677 | ||
46a19188 DV |
2678 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
2679 | int ret = i9xx_pipe_crc_auto_source(dev, pipe, source); | |
2680 | if (ret) | |
2681 | return ret; | |
2682 | } | |
2683 | ||
2684 | switch (*source) { | |
7ac0129b DV |
2685 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
2686 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV; | |
2687 | break; | |
2688 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
2689 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV; | |
8d2f24ca | 2690 | need_stable_symbols = true; |
7ac0129b DV |
2691 | break; |
2692 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
2693 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV; | |
8d2f24ca | 2694 | need_stable_symbols = true; |
7ac0129b DV |
2695 | break; |
2696 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
2697 | *val = 0; | |
2698 | break; | |
2699 | default: | |
2700 | return -EINVAL; | |
2701 | } | |
2702 | ||
8d2f24ca DV |
2703 | /* |
2704 | * When the pipe CRC tap point is after the transcoders we need | |
2705 | * to tweak symbol-level features to produce a deterministic series of | |
2706 | * symbols for a given frame. We need to reset those features only once | |
2707 | * a frame (instead of every nth symbol): | |
2708 | * - DC-balance: used to ensure a better clock recovery from the data | |
2709 | * link (SDVO) | |
2710 | * - DisplayPort scrambling: used for EMI reduction | |
2711 | */ | |
2712 | if (need_stable_symbols) { | |
2713 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
2714 | ||
8d2f24ca DV |
2715 | tmp |= DC_BALANCE_RESET_VLV; |
2716 | if (pipe == PIPE_A) | |
2717 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
2718 | else | |
2719 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
2720 | ||
2721 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
2722 | } | |
2723 | ||
7ac0129b DV |
2724 | return 0; |
2725 | } | |
2726 | ||
4b79ebf7 | 2727 | static int i9xx_pipe_crc_ctl_reg(struct drm_device *dev, |
46a19188 DV |
2728 | enum pipe pipe, |
2729 | enum intel_pipe_crc_source *source, | |
4b79ebf7 DV |
2730 | uint32_t *val) |
2731 | { | |
84093603 DV |
2732 | struct drm_i915_private *dev_priv = dev->dev_private; |
2733 | bool need_stable_symbols = false; | |
2734 | ||
46a19188 DV |
2735 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
2736 | int ret = i9xx_pipe_crc_auto_source(dev, pipe, source); | |
2737 | if (ret) | |
2738 | return ret; | |
2739 | } | |
2740 | ||
2741 | switch (*source) { | |
4b79ebf7 DV |
2742 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
2743 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_I9XX; | |
2744 | break; | |
2745 | case INTEL_PIPE_CRC_SOURCE_TV: | |
2746 | if (!SUPPORTS_TV(dev)) | |
2747 | return -EINVAL; | |
2748 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_TV_PRE; | |
2749 | break; | |
2750 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
2751 | if (!IS_G4X(dev)) | |
2752 | return -EINVAL; | |
2753 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_G4X; | |
84093603 | 2754 | need_stable_symbols = true; |
4b79ebf7 DV |
2755 | break; |
2756 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
2757 | if (!IS_G4X(dev)) | |
2758 | return -EINVAL; | |
2759 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_G4X; | |
84093603 | 2760 | need_stable_symbols = true; |
4b79ebf7 DV |
2761 | break; |
2762 | case INTEL_PIPE_CRC_SOURCE_DP_D: | |
2763 | if (!IS_G4X(dev)) | |
2764 | return -EINVAL; | |
2765 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_G4X; | |
84093603 | 2766 | need_stable_symbols = true; |
4b79ebf7 DV |
2767 | break; |
2768 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
2769 | *val = 0; | |
2770 | break; | |
2771 | default: | |
2772 | return -EINVAL; | |
2773 | } | |
2774 | ||
84093603 DV |
2775 | /* |
2776 | * When the pipe CRC tap point is after the transcoders we need | |
2777 | * to tweak symbol-level features to produce a deterministic series of | |
2778 | * symbols for a given frame. We need to reset those features only once | |
2779 | * a frame (instead of every nth symbol): | |
2780 | * - DC-balance: used to ensure a better clock recovery from the data | |
2781 | * link (SDVO) | |
2782 | * - DisplayPort scrambling: used for EMI reduction | |
2783 | */ | |
2784 | if (need_stable_symbols) { | |
2785 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
2786 | ||
2787 | WARN_ON(!IS_G4X(dev)); | |
2788 | ||
2789 | I915_WRITE(PORT_DFT_I9XX, | |
2790 | I915_READ(PORT_DFT_I9XX) | DC_BALANCE_RESET); | |
2791 | ||
2792 | if (pipe == PIPE_A) | |
2793 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
2794 | else | |
2795 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
2796 | ||
2797 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
2798 | } | |
2799 | ||
4b79ebf7 DV |
2800 | return 0; |
2801 | } | |
2802 | ||
8d2f24ca DV |
2803 | static void vlv_undo_pipe_scramble_reset(struct drm_device *dev, |
2804 | enum pipe pipe) | |
2805 | { | |
2806 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2807 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
2808 | ||
2809 | if (pipe == PIPE_A) | |
2810 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
2811 | else | |
2812 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
2813 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) | |
2814 | tmp &= ~DC_BALANCE_RESET_VLV; | |
2815 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
2816 | ||
2817 | } | |
2818 | ||
84093603 DV |
2819 | static void g4x_undo_pipe_scramble_reset(struct drm_device *dev, |
2820 | enum pipe pipe) | |
2821 | { | |
2822 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2823 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
2824 | ||
2825 | if (pipe == PIPE_A) | |
2826 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
2827 | else | |
2828 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
2829 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
2830 | ||
2831 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) { | |
2832 | I915_WRITE(PORT_DFT_I9XX, | |
2833 | I915_READ(PORT_DFT_I9XX) & ~DC_BALANCE_RESET); | |
2834 | } | |
2835 | } | |
2836 | ||
46a19188 | 2837 | static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
5b3a856b DV |
2838 | uint32_t *val) |
2839 | { | |
46a19188 DV |
2840 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
2841 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
2842 | ||
2843 | switch (*source) { | |
5b3a856b DV |
2844 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
2845 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_ILK; | |
2846 | break; | |
2847 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
2848 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK; | |
2849 | break; | |
5b3a856b DV |
2850 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
2851 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK; | |
2852 | break; | |
3d099a05 | 2853 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
2854 | *val = 0; |
2855 | break; | |
3d099a05 DV |
2856 | default: |
2857 | return -EINVAL; | |
5b3a856b DV |
2858 | } |
2859 | ||
2860 | return 0; | |
2861 | } | |
2862 | ||
46a19188 | 2863 | static int ivb_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
5b3a856b DV |
2864 | uint32_t *val) |
2865 | { | |
46a19188 DV |
2866 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
2867 | *source = INTEL_PIPE_CRC_SOURCE_PF; | |
2868 | ||
2869 | switch (*source) { | |
5b3a856b DV |
2870 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
2871 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB; | |
2872 | break; | |
2873 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
2874 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB; | |
2875 | break; | |
2876 | case INTEL_PIPE_CRC_SOURCE_PF: | |
2877 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; | |
2878 | break; | |
3d099a05 | 2879 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
2880 | *val = 0; |
2881 | break; | |
3d099a05 DV |
2882 | default: |
2883 | return -EINVAL; | |
5b3a856b DV |
2884 | } |
2885 | ||
2886 | return 0; | |
2887 | } | |
2888 | ||
926321d5 DV |
2889 | static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, |
2890 | enum intel_pipe_crc_source source) | |
2891 | { | |
2892 | struct drm_i915_private *dev_priv = dev->dev_private; | |
cc3da175 | 2893 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
432f3342 | 2894 | u32 val = 0; /* shut up gcc */ |
5b3a856b | 2895 | int ret; |
926321d5 | 2896 | |
cc3da175 DL |
2897 | if (pipe_crc->source == source) |
2898 | return 0; | |
2899 | ||
ae676fcd DL |
2900 | /* forbid changing the source without going back to 'none' */ |
2901 | if (pipe_crc->source && source) | |
2902 | return -EINVAL; | |
2903 | ||
52f843f6 | 2904 | if (IS_GEN2(dev)) |
46a19188 | 2905 | ret = i8xx_pipe_crc_ctl_reg(&source, &val); |
52f843f6 | 2906 | else if (INTEL_INFO(dev)->gen < 5) |
46a19188 | 2907 | ret = i9xx_pipe_crc_ctl_reg(dev, pipe, &source, &val); |
7ac0129b | 2908 | else if (IS_VALLEYVIEW(dev)) |
46a19188 | 2909 | ret = vlv_pipe_crc_ctl_reg(dev,pipe, &source, &val); |
4b79ebf7 | 2910 | else if (IS_GEN5(dev) || IS_GEN6(dev)) |
46a19188 | 2911 | ret = ilk_pipe_crc_ctl_reg(&source, &val); |
5b3a856b | 2912 | else |
46a19188 | 2913 | ret = ivb_pipe_crc_ctl_reg(&source, &val); |
5b3a856b DV |
2914 | |
2915 | if (ret != 0) | |
2916 | return ret; | |
2917 | ||
4b584369 DL |
2918 | /* none -> real source transition */ |
2919 | if (source) { | |
7cd6ccff DL |
2920 | DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n", |
2921 | pipe_name(pipe), pipe_crc_source_name(source)); | |
2922 | ||
e5f75aca DL |
2923 | pipe_crc->entries = kzalloc(sizeof(*pipe_crc->entries) * |
2924 | INTEL_PIPE_CRC_ENTRIES_NR, | |
2925 | GFP_KERNEL); | |
2926 | if (!pipe_crc->entries) | |
2927 | return -ENOMEM; | |
2928 | ||
d538bbdf DL |
2929 | spin_lock_irq(&pipe_crc->lock); |
2930 | pipe_crc->head = 0; | |
2931 | pipe_crc->tail = 0; | |
2932 | spin_unlock_irq(&pipe_crc->lock); | |
4b584369 DL |
2933 | } |
2934 | ||
cc3da175 | 2935 | pipe_crc->source = source; |
926321d5 | 2936 | |
926321d5 DV |
2937 | I915_WRITE(PIPE_CRC_CTL(pipe), val); |
2938 | POSTING_READ(PIPE_CRC_CTL(pipe)); | |
2939 | ||
e5f75aca DL |
2940 | /* real source -> none transition */ |
2941 | if (source == INTEL_PIPE_CRC_SOURCE_NONE) { | |
d538bbdf | 2942 | struct intel_pipe_crc_entry *entries; |
a33d7105 DV |
2943 | struct intel_crtc *crtc = |
2944 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
d538bbdf | 2945 | |
7cd6ccff DL |
2946 | DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n", |
2947 | pipe_name(pipe)); | |
2948 | ||
a33d7105 DV |
2949 | drm_modeset_lock(&crtc->base.mutex, NULL); |
2950 | if (crtc->active) | |
2951 | intel_wait_for_vblank(dev, pipe); | |
2952 | drm_modeset_unlock(&crtc->base.mutex); | |
bcf17ab2 | 2953 | |
d538bbdf DL |
2954 | spin_lock_irq(&pipe_crc->lock); |
2955 | entries = pipe_crc->entries; | |
e5f75aca | 2956 | pipe_crc->entries = NULL; |
d538bbdf DL |
2957 | spin_unlock_irq(&pipe_crc->lock); |
2958 | ||
2959 | kfree(entries); | |
84093603 DV |
2960 | |
2961 | if (IS_G4X(dev)) | |
2962 | g4x_undo_pipe_scramble_reset(dev, pipe); | |
8d2f24ca DV |
2963 | else if (IS_VALLEYVIEW(dev)) |
2964 | vlv_undo_pipe_scramble_reset(dev, pipe); | |
e5f75aca DL |
2965 | } |
2966 | ||
926321d5 DV |
2967 | return 0; |
2968 | } | |
2969 | ||
2970 | /* | |
2971 | * Parse pipe CRC command strings: | |
b94dec87 DL |
2972 | * command: wsp* object wsp+ name wsp+ source wsp* |
2973 | * object: 'pipe' | |
2974 | * name: (A | B | C) | |
926321d5 DV |
2975 | * source: (none | plane1 | plane2 | pf) |
2976 | * wsp: (#0x20 | #0x9 | #0xA)+ | |
2977 | * | |
2978 | * eg.: | |
b94dec87 DL |
2979 | * "pipe A plane1" -> Start CRC computations on plane1 of pipe A |
2980 | * "pipe A none" -> Stop CRC | |
926321d5 | 2981 | */ |
bd9db02f | 2982 | static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words) |
926321d5 DV |
2983 | { |
2984 | int n_words = 0; | |
2985 | ||
2986 | while (*buf) { | |
2987 | char *end; | |
2988 | ||
2989 | /* skip leading white space */ | |
2990 | buf = skip_spaces(buf); | |
2991 | if (!*buf) | |
2992 | break; /* end of buffer */ | |
2993 | ||
2994 | /* find end of word */ | |
2995 | for (end = buf; *end && !isspace(*end); end++) | |
2996 | ; | |
2997 | ||
2998 | if (n_words == max_words) { | |
2999 | DRM_DEBUG_DRIVER("too many words, allowed <= %d\n", | |
3000 | max_words); | |
3001 | return -EINVAL; /* ran out of words[] before bytes */ | |
3002 | } | |
3003 | ||
3004 | if (*end) | |
3005 | *end++ = '\0'; | |
3006 | words[n_words++] = buf; | |
3007 | buf = end; | |
3008 | } | |
3009 | ||
3010 | return n_words; | |
3011 | } | |
3012 | ||
b94dec87 DL |
3013 | enum intel_pipe_crc_object { |
3014 | PIPE_CRC_OBJECT_PIPE, | |
3015 | }; | |
3016 | ||
e8dfcf78 | 3017 | static const char * const pipe_crc_objects[] = { |
b94dec87 DL |
3018 | "pipe", |
3019 | }; | |
3020 | ||
3021 | static int | |
bd9db02f | 3022 | display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o) |
b94dec87 DL |
3023 | { |
3024 | int i; | |
3025 | ||
3026 | for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++) | |
3027 | if (!strcmp(buf, pipe_crc_objects[i])) { | |
bd9db02f | 3028 | *o = i; |
b94dec87 DL |
3029 | return 0; |
3030 | } | |
3031 | ||
3032 | return -EINVAL; | |
3033 | } | |
3034 | ||
bd9db02f | 3035 | static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe) |
926321d5 DV |
3036 | { |
3037 | const char name = buf[0]; | |
3038 | ||
3039 | if (name < 'A' || name >= pipe_name(I915_MAX_PIPES)) | |
3040 | return -EINVAL; | |
3041 | ||
3042 | *pipe = name - 'A'; | |
3043 | ||
3044 | return 0; | |
3045 | } | |
3046 | ||
3047 | static int | |
bd9db02f | 3048 | display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s) |
926321d5 DV |
3049 | { |
3050 | int i; | |
3051 | ||
3052 | for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++) | |
3053 | if (!strcmp(buf, pipe_crc_sources[i])) { | |
bd9db02f | 3054 | *s = i; |
926321d5 DV |
3055 | return 0; |
3056 | } | |
3057 | ||
3058 | return -EINVAL; | |
3059 | } | |
3060 | ||
bd9db02f | 3061 | static int display_crc_ctl_parse(struct drm_device *dev, char *buf, size_t len) |
926321d5 | 3062 | { |
b94dec87 | 3063 | #define N_WORDS 3 |
926321d5 | 3064 | int n_words; |
b94dec87 | 3065 | char *words[N_WORDS]; |
926321d5 | 3066 | enum pipe pipe; |
b94dec87 | 3067 | enum intel_pipe_crc_object object; |
926321d5 DV |
3068 | enum intel_pipe_crc_source source; |
3069 | ||
bd9db02f | 3070 | n_words = display_crc_ctl_tokenize(buf, words, N_WORDS); |
b94dec87 DL |
3071 | if (n_words != N_WORDS) { |
3072 | DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n", | |
3073 | N_WORDS); | |
3074 | return -EINVAL; | |
3075 | } | |
3076 | ||
bd9db02f | 3077 | if (display_crc_ctl_parse_object(words[0], &object) < 0) { |
b94dec87 | 3078 | DRM_DEBUG_DRIVER("unknown object %s\n", words[0]); |
926321d5 DV |
3079 | return -EINVAL; |
3080 | } | |
3081 | ||
bd9db02f | 3082 | if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) { |
b94dec87 | 3083 | DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]); |
926321d5 DV |
3084 | return -EINVAL; |
3085 | } | |
3086 | ||
bd9db02f | 3087 | if (display_crc_ctl_parse_source(words[2], &source) < 0) { |
b94dec87 | 3088 | DRM_DEBUG_DRIVER("unknown source %s\n", words[2]); |
926321d5 DV |
3089 | return -EINVAL; |
3090 | } | |
3091 | ||
3092 | return pipe_crc_set_source(dev, pipe, source); | |
3093 | } | |
3094 | ||
bd9db02f DL |
3095 | static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf, |
3096 | size_t len, loff_t *offp) | |
926321d5 DV |
3097 | { |
3098 | struct seq_file *m = file->private_data; | |
3099 | struct drm_device *dev = m->private; | |
3100 | char *tmpbuf; | |
3101 | int ret; | |
3102 | ||
3103 | if (len == 0) | |
3104 | return 0; | |
3105 | ||
3106 | if (len > PAGE_SIZE - 1) { | |
3107 | DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n", | |
3108 | PAGE_SIZE); | |
3109 | return -E2BIG; | |
3110 | } | |
3111 | ||
3112 | tmpbuf = kmalloc(len + 1, GFP_KERNEL); | |
3113 | if (!tmpbuf) | |
3114 | return -ENOMEM; | |
3115 | ||
3116 | if (copy_from_user(tmpbuf, ubuf, len)) { | |
3117 | ret = -EFAULT; | |
3118 | goto out; | |
3119 | } | |
3120 | tmpbuf[len] = '\0'; | |
3121 | ||
bd9db02f | 3122 | ret = display_crc_ctl_parse(dev, tmpbuf, len); |
926321d5 DV |
3123 | |
3124 | out: | |
3125 | kfree(tmpbuf); | |
3126 | if (ret < 0) | |
3127 | return ret; | |
3128 | ||
3129 | *offp += len; | |
3130 | return len; | |
3131 | } | |
3132 | ||
bd9db02f | 3133 | static const struct file_operations i915_display_crc_ctl_fops = { |
926321d5 | 3134 | .owner = THIS_MODULE, |
bd9db02f | 3135 | .open = display_crc_ctl_open, |
926321d5 DV |
3136 | .read = seq_read, |
3137 | .llseek = seq_lseek, | |
3138 | .release = single_release, | |
bd9db02f | 3139 | .write = display_crc_ctl_write |
926321d5 DV |
3140 | }; |
3141 | ||
369a1342 VS |
3142 | static void wm_latency_show(struct seq_file *m, const uint16_t wm[5]) |
3143 | { | |
3144 | struct drm_device *dev = m->private; | |
546c81fd | 3145 | int num_levels = ilk_wm_max_level(dev) + 1; |
369a1342 VS |
3146 | int level; |
3147 | ||
3148 | drm_modeset_lock_all(dev); | |
3149 | ||
3150 | for (level = 0; level < num_levels; level++) { | |
3151 | unsigned int latency = wm[level]; | |
3152 | ||
3153 | /* WM1+ latency values in 0.5us units */ | |
3154 | if (level > 0) | |
3155 | latency *= 5; | |
3156 | ||
3157 | seq_printf(m, "WM%d %u (%u.%u usec)\n", | |
3158 | level, wm[level], | |
3159 | latency / 10, latency % 10); | |
3160 | } | |
3161 | ||
3162 | drm_modeset_unlock_all(dev); | |
3163 | } | |
3164 | ||
3165 | static int pri_wm_latency_show(struct seq_file *m, void *data) | |
3166 | { | |
3167 | struct drm_device *dev = m->private; | |
3168 | ||
3169 | wm_latency_show(m, to_i915(dev)->wm.pri_latency); | |
3170 | ||
3171 | return 0; | |
3172 | } | |
3173 | ||
3174 | static int spr_wm_latency_show(struct seq_file *m, void *data) | |
3175 | { | |
3176 | struct drm_device *dev = m->private; | |
3177 | ||
3178 | wm_latency_show(m, to_i915(dev)->wm.spr_latency); | |
3179 | ||
3180 | return 0; | |
3181 | } | |
3182 | ||
3183 | static int cur_wm_latency_show(struct seq_file *m, void *data) | |
3184 | { | |
3185 | struct drm_device *dev = m->private; | |
3186 | ||
3187 | wm_latency_show(m, to_i915(dev)->wm.cur_latency); | |
3188 | ||
3189 | return 0; | |
3190 | } | |
3191 | ||
3192 | static int pri_wm_latency_open(struct inode *inode, struct file *file) | |
3193 | { | |
3194 | struct drm_device *dev = inode->i_private; | |
3195 | ||
3196 | if (!HAS_PCH_SPLIT(dev)) | |
3197 | return -ENODEV; | |
3198 | ||
3199 | return single_open(file, pri_wm_latency_show, dev); | |
3200 | } | |
3201 | ||
3202 | static int spr_wm_latency_open(struct inode *inode, struct file *file) | |
3203 | { | |
3204 | struct drm_device *dev = inode->i_private; | |
3205 | ||
3206 | if (!HAS_PCH_SPLIT(dev)) | |
3207 | return -ENODEV; | |
3208 | ||
3209 | return single_open(file, spr_wm_latency_show, dev); | |
3210 | } | |
3211 | ||
3212 | static int cur_wm_latency_open(struct inode *inode, struct file *file) | |
3213 | { | |
3214 | struct drm_device *dev = inode->i_private; | |
3215 | ||
3216 | if (!HAS_PCH_SPLIT(dev)) | |
3217 | return -ENODEV; | |
3218 | ||
3219 | return single_open(file, cur_wm_latency_show, dev); | |
3220 | } | |
3221 | ||
3222 | static ssize_t wm_latency_write(struct file *file, const char __user *ubuf, | |
3223 | size_t len, loff_t *offp, uint16_t wm[5]) | |
3224 | { | |
3225 | struct seq_file *m = file->private_data; | |
3226 | struct drm_device *dev = m->private; | |
3227 | uint16_t new[5] = { 0 }; | |
546c81fd | 3228 | int num_levels = ilk_wm_max_level(dev) + 1; |
369a1342 VS |
3229 | int level; |
3230 | int ret; | |
3231 | char tmp[32]; | |
3232 | ||
3233 | if (len >= sizeof(tmp)) | |
3234 | return -EINVAL; | |
3235 | ||
3236 | if (copy_from_user(tmp, ubuf, len)) | |
3237 | return -EFAULT; | |
3238 | ||
3239 | tmp[len] = '\0'; | |
3240 | ||
3241 | ret = sscanf(tmp, "%hu %hu %hu %hu %hu", &new[0], &new[1], &new[2], &new[3], &new[4]); | |
3242 | if (ret != num_levels) | |
3243 | return -EINVAL; | |
3244 | ||
3245 | drm_modeset_lock_all(dev); | |
3246 | ||
3247 | for (level = 0; level < num_levels; level++) | |
3248 | wm[level] = new[level]; | |
3249 | ||
3250 | drm_modeset_unlock_all(dev); | |
3251 | ||
3252 | return len; | |
3253 | } | |
3254 | ||
3255 | ||
3256 | static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf, | |
3257 | size_t len, loff_t *offp) | |
3258 | { | |
3259 | struct seq_file *m = file->private_data; | |
3260 | struct drm_device *dev = m->private; | |
3261 | ||
3262 | return wm_latency_write(file, ubuf, len, offp, to_i915(dev)->wm.pri_latency); | |
3263 | } | |
3264 | ||
3265 | static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf, | |
3266 | size_t len, loff_t *offp) | |
3267 | { | |
3268 | struct seq_file *m = file->private_data; | |
3269 | struct drm_device *dev = m->private; | |
3270 | ||
3271 | return wm_latency_write(file, ubuf, len, offp, to_i915(dev)->wm.spr_latency); | |
3272 | } | |
3273 | ||
3274 | static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf, | |
3275 | size_t len, loff_t *offp) | |
3276 | { | |
3277 | struct seq_file *m = file->private_data; | |
3278 | struct drm_device *dev = m->private; | |
3279 | ||
3280 | return wm_latency_write(file, ubuf, len, offp, to_i915(dev)->wm.cur_latency); | |
3281 | } | |
3282 | ||
3283 | static const struct file_operations i915_pri_wm_latency_fops = { | |
3284 | .owner = THIS_MODULE, | |
3285 | .open = pri_wm_latency_open, | |
3286 | .read = seq_read, | |
3287 | .llseek = seq_lseek, | |
3288 | .release = single_release, | |
3289 | .write = pri_wm_latency_write | |
3290 | }; | |
3291 | ||
3292 | static const struct file_operations i915_spr_wm_latency_fops = { | |
3293 | .owner = THIS_MODULE, | |
3294 | .open = spr_wm_latency_open, | |
3295 | .read = seq_read, | |
3296 | .llseek = seq_lseek, | |
3297 | .release = single_release, | |
3298 | .write = spr_wm_latency_write | |
3299 | }; | |
3300 | ||
3301 | static const struct file_operations i915_cur_wm_latency_fops = { | |
3302 | .owner = THIS_MODULE, | |
3303 | .open = cur_wm_latency_open, | |
3304 | .read = seq_read, | |
3305 | .llseek = seq_lseek, | |
3306 | .release = single_release, | |
3307 | .write = cur_wm_latency_write | |
3308 | }; | |
3309 | ||
647416f9 KC |
3310 | static int |
3311 | i915_wedged_get(void *data, u64 *val) | |
f3cd474b | 3312 | { |
647416f9 | 3313 | struct drm_device *dev = data; |
e277a1f8 | 3314 | struct drm_i915_private *dev_priv = dev->dev_private; |
f3cd474b | 3315 | |
647416f9 | 3316 | *val = atomic_read(&dev_priv->gpu_error.reset_counter); |
f3cd474b | 3317 | |
647416f9 | 3318 | return 0; |
f3cd474b CW |
3319 | } |
3320 | ||
647416f9 KC |
3321 | static int |
3322 | i915_wedged_set(void *data, u64 val) | |
f3cd474b | 3323 | { |
647416f9 | 3324 | struct drm_device *dev = data; |
d46c0517 ID |
3325 | struct drm_i915_private *dev_priv = dev->dev_private; |
3326 | ||
3327 | intel_runtime_pm_get(dev_priv); | |
f3cd474b | 3328 | |
58174462 MK |
3329 | i915_handle_error(dev, val, |
3330 | "Manually setting wedged to %llu", val); | |
d46c0517 ID |
3331 | |
3332 | intel_runtime_pm_put(dev_priv); | |
3333 | ||
647416f9 | 3334 | return 0; |
f3cd474b CW |
3335 | } |
3336 | ||
647416f9 KC |
3337 | DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, |
3338 | i915_wedged_get, i915_wedged_set, | |
3a3b4f98 | 3339 | "%llu\n"); |
f3cd474b | 3340 | |
647416f9 KC |
3341 | static int |
3342 | i915_ring_stop_get(void *data, u64 *val) | |
e5eb3d63 | 3343 | { |
647416f9 | 3344 | struct drm_device *dev = data; |
e277a1f8 | 3345 | struct drm_i915_private *dev_priv = dev->dev_private; |
e5eb3d63 | 3346 | |
647416f9 | 3347 | *val = dev_priv->gpu_error.stop_rings; |
e5eb3d63 | 3348 | |
647416f9 | 3349 | return 0; |
e5eb3d63 DV |
3350 | } |
3351 | ||
647416f9 KC |
3352 | static int |
3353 | i915_ring_stop_set(void *data, u64 val) | |
e5eb3d63 | 3354 | { |
647416f9 | 3355 | struct drm_device *dev = data; |
e5eb3d63 | 3356 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 3357 | int ret; |
e5eb3d63 | 3358 | |
647416f9 | 3359 | DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val); |
e5eb3d63 | 3360 | |
22bcfc6a DV |
3361 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
3362 | if (ret) | |
3363 | return ret; | |
3364 | ||
99584db3 | 3365 | dev_priv->gpu_error.stop_rings = val; |
e5eb3d63 DV |
3366 | mutex_unlock(&dev->struct_mutex); |
3367 | ||
647416f9 | 3368 | return 0; |
e5eb3d63 DV |
3369 | } |
3370 | ||
647416f9 KC |
3371 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops, |
3372 | i915_ring_stop_get, i915_ring_stop_set, | |
3373 | "0x%08llx\n"); | |
d5442303 | 3374 | |
094f9a54 CW |
3375 | static int |
3376 | i915_ring_missed_irq_get(void *data, u64 *val) | |
3377 | { | |
3378 | struct drm_device *dev = data; | |
3379 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3380 | ||
3381 | *val = dev_priv->gpu_error.missed_irq_rings; | |
3382 | return 0; | |
3383 | } | |
3384 | ||
3385 | static int | |
3386 | i915_ring_missed_irq_set(void *data, u64 val) | |
3387 | { | |
3388 | struct drm_device *dev = data; | |
3389 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3390 | int ret; | |
3391 | ||
3392 | /* Lock against concurrent debugfs callers */ | |
3393 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3394 | if (ret) | |
3395 | return ret; | |
3396 | dev_priv->gpu_error.missed_irq_rings = val; | |
3397 | mutex_unlock(&dev->struct_mutex); | |
3398 | ||
3399 | return 0; | |
3400 | } | |
3401 | ||
3402 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops, | |
3403 | i915_ring_missed_irq_get, i915_ring_missed_irq_set, | |
3404 | "0x%08llx\n"); | |
3405 | ||
3406 | static int | |
3407 | i915_ring_test_irq_get(void *data, u64 *val) | |
3408 | { | |
3409 | struct drm_device *dev = data; | |
3410 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3411 | ||
3412 | *val = dev_priv->gpu_error.test_irq_rings; | |
3413 | ||
3414 | return 0; | |
3415 | } | |
3416 | ||
3417 | static int | |
3418 | i915_ring_test_irq_set(void *data, u64 val) | |
3419 | { | |
3420 | struct drm_device *dev = data; | |
3421 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3422 | int ret; | |
3423 | ||
3424 | DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val); | |
3425 | ||
3426 | /* Lock against concurrent debugfs callers */ | |
3427 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3428 | if (ret) | |
3429 | return ret; | |
3430 | ||
3431 | dev_priv->gpu_error.test_irq_rings = val; | |
3432 | mutex_unlock(&dev->struct_mutex); | |
3433 | ||
3434 | return 0; | |
3435 | } | |
3436 | ||
3437 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, | |
3438 | i915_ring_test_irq_get, i915_ring_test_irq_set, | |
3439 | "0x%08llx\n"); | |
3440 | ||
dd624afd CW |
3441 | #define DROP_UNBOUND 0x1 |
3442 | #define DROP_BOUND 0x2 | |
3443 | #define DROP_RETIRE 0x4 | |
3444 | #define DROP_ACTIVE 0x8 | |
3445 | #define DROP_ALL (DROP_UNBOUND | \ | |
3446 | DROP_BOUND | \ | |
3447 | DROP_RETIRE | \ | |
3448 | DROP_ACTIVE) | |
647416f9 KC |
3449 | static int |
3450 | i915_drop_caches_get(void *data, u64 *val) | |
dd624afd | 3451 | { |
647416f9 | 3452 | *val = DROP_ALL; |
dd624afd | 3453 | |
647416f9 | 3454 | return 0; |
dd624afd CW |
3455 | } |
3456 | ||
647416f9 KC |
3457 | static int |
3458 | i915_drop_caches_set(void *data, u64 val) | |
dd624afd | 3459 | { |
647416f9 | 3460 | struct drm_device *dev = data; |
dd624afd CW |
3461 | struct drm_i915_private *dev_priv = dev->dev_private; |
3462 | struct drm_i915_gem_object *obj, *next; | |
ca191b13 BW |
3463 | struct i915_address_space *vm; |
3464 | struct i915_vma *vma, *x; | |
647416f9 | 3465 | int ret; |
dd624afd | 3466 | |
2f9fe5ff | 3467 | DRM_DEBUG("Dropping caches: 0x%08llx\n", val); |
dd624afd CW |
3468 | |
3469 | /* No need to check and wait for gpu resets, only libdrm auto-restarts | |
3470 | * on ioctls on -EAGAIN. */ | |
3471 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3472 | if (ret) | |
3473 | return ret; | |
3474 | ||
3475 | if (val & DROP_ACTIVE) { | |
3476 | ret = i915_gpu_idle(dev); | |
3477 | if (ret) | |
3478 | goto unlock; | |
3479 | } | |
3480 | ||
3481 | if (val & (DROP_RETIRE | DROP_ACTIVE)) | |
3482 | i915_gem_retire_requests(dev); | |
3483 | ||
3484 | if (val & DROP_BOUND) { | |
ca191b13 BW |
3485 | list_for_each_entry(vm, &dev_priv->vm_list, global_link) { |
3486 | list_for_each_entry_safe(vma, x, &vm->inactive_list, | |
3487 | mm_list) { | |
d7f46fc4 | 3488 | if (vma->pin_count) |
ca191b13 BW |
3489 | continue; |
3490 | ||
3491 | ret = i915_vma_unbind(vma); | |
3492 | if (ret) | |
3493 | goto unlock; | |
3494 | } | |
31a46c9c | 3495 | } |
dd624afd CW |
3496 | } |
3497 | ||
3498 | if (val & DROP_UNBOUND) { | |
35c20a60 BW |
3499 | list_for_each_entry_safe(obj, next, &dev_priv->mm.unbound_list, |
3500 | global_list) | |
dd624afd CW |
3501 | if (obj->pages_pin_count == 0) { |
3502 | ret = i915_gem_object_put_pages(obj); | |
3503 | if (ret) | |
3504 | goto unlock; | |
3505 | } | |
3506 | } | |
3507 | ||
3508 | unlock: | |
3509 | mutex_unlock(&dev->struct_mutex); | |
3510 | ||
647416f9 | 3511 | return ret; |
dd624afd CW |
3512 | } |
3513 | ||
647416f9 KC |
3514 | DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, |
3515 | i915_drop_caches_get, i915_drop_caches_set, | |
3516 | "0x%08llx\n"); | |
dd624afd | 3517 | |
647416f9 KC |
3518 | static int |
3519 | i915_max_freq_get(void *data, u64 *val) | |
358733e9 | 3520 | { |
647416f9 | 3521 | struct drm_device *dev = data; |
e277a1f8 | 3522 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 3523 | int ret; |
004777cb | 3524 | |
daa3afb2 | 3525 | if (INTEL_INFO(dev)->gen < 6) |
004777cb DV |
3526 | return -ENODEV; |
3527 | ||
5c9669ce TR |
3528 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
3529 | ||
4fc688ce | 3530 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
3531 | if (ret) |
3532 | return ret; | |
358733e9 | 3533 | |
0a073b84 | 3534 | if (IS_VALLEYVIEW(dev)) |
b39fb297 | 3535 | *val = vlv_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit); |
0a073b84 | 3536 | else |
b39fb297 | 3537 | *val = dev_priv->rps.max_freq_softlimit * GT_FREQUENCY_MULTIPLIER; |
4fc688ce | 3538 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 3539 | |
647416f9 | 3540 | return 0; |
358733e9 JB |
3541 | } |
3542 | ||
647416f9 KC |
3543 | static int |
3544 | i915_max_freq_set(void *data, u64 val) | |
358733e9 | 3545 | { |
647416f9 | 3546 | struct drm_device *dev = data; |
358733e9 | 3547 | struct drm_i915_private *dev_priv = dev->dev_private; |
dd0a1aa1 | 3548 | u32 rp_state_cap, hw_max, hw_min; |
647416f9 | 3549 | int ret; |
004777cb | 3550 | |
daa3afb2 | 3551 | if (INTEL_INFO(dev)->gen < 6) |
004777cb | 3552 | return -ENODEV; |
358733e9 | 3553 | |
5c9669ce TR |
3554 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
3555 | ||
647416f9 | 3556 | DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val); |
358733e9 | 3557 | |
4fc688ce | 3558 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
3559 | if (ret) |
3560 | return ret; | |
3561 | ||
358733e9 JB |
3562 | /* |
3563 | * Turbo will still be enabled, but won't go above the set value. | |
3564 | */ | |
0a073b84 | 3565 | if (IS_VALLEYVIEW(dev)) { |
2ec3815f | 3566 | val = vlv_freq_opcode(dev_priv, val); |
dd0a1aa1 JM |
3567 | |
3568 | hw_max = valleyview_rps_max_freq(dev_priv); | |
3569 | hw_min = valleyview_rps_min_freq(dev_priv); | |
0a073b84 JB |
3570 | } else { |
3571 | do_div(val, GT_FREQUENCY_MULTIPLIER); | |
dd0a1aa1 JM |
3572 | |
3573 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
b39fb297 | 3574 | hw_max = dev_priv->rps.max_freq; |
dd0a1aa1 JM |
3575 | hw_min = (rp_state_cap >> 16) & 0xff; |
3576 | } | |
3577 | ||
b39fb297 | 3578 | if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { |
dd0a1aa1 JM |
3579 | mutex_unlock(&dev_priv->rps.hw_lock); |
3580 | return -EINVAL; | |
0a073b84 JB |
3581 | } |
3582 | ||
b39fb297 | 3583 | dev_priv->rps.max_freq_softlimit = val; |
dd0a1aa1 JM |
3584 | |
3585 | if (IS_VALLEYVIEW(dev)) | |
3586 | valleyview_set_rps(dev, val); | |
3587 | else | |
3588 | gen6_set_rps(dev, val); | |
3589 | ||
4fc688ce | 3590 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 3591 | |
647416f9 | 3592 | return 0; |
358733e9 JB |
3593 | } |
3594 | ||
647416f9 KC |
3595 | DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops, |
3596 | i915_max_freq_get, i915_max_freq_set, | |
3a3b4f98 | 3597 | "%llu\n"); |
358733e9 | 3598 | |
647416f9 KC |
3599 | static int |
3600 | i915_min_freq_get(void *data, u64 *val) | |
1523c310 | 3601 | { |
647416f9 | 3602 | struct drm_device *dev = data; |
e277a1f8 | 3603 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 3604 | int ret; |
004777cb | 3605 | |
daa3afb2 | 3606 | if (INTEL_INFO(dev)->gen < 6) |
004777cb DV |
3607 | return -ENODEV; |
3608 | ||
5c9669ce TR |
3609 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
3610 | ||
4fc688ce | 3611 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
3612 | if (ret) |
3613 | return ret; | |
1523c310 | 3614 | |
0a073b84 | 3615 | if (IS_VALLEYVIEW(dev)) |
b39fb297 | 3616 | *val = vlv_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit); |
0a073b84 | 3617 | else |
b39fb297 | 3618 | *val = dev_priv->rps.min_freq_softlimit * GT_FREQUENCY_MULTIPLIER; |
4fc688ce | 3619 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 3620 | |
647416f9 | 3621 | return 0; |
1523c310 JB |
3622 | } |
3623 | ||
647416f9 KC |
3624 | static int |
3625 | i915_min_freq_set(void *data, u64 val) | |
1523c310 | 3626 | { |
647416f9 | 3627 | struct drm_device *dev = data; |
1523c310 | 3628 | struct drm_i915_private *dev_priv = dev->dev_private; |
dd0a1aa1 | 3629 | u32 rp_state_cap, hw_max, hw_min; |
647416f9 | 3630 | int ret; |
004777cb | 3631 | |
daa3afb2 | 3632 | if (INTEL_INFO(dev)->gen < 6) |
004777cb | 3633 | return -ENODEV; |
1523c310 | 3634 | |
5c9669ce TR |
3635 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
3636 | ||
647416f9 | 3637 | DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val); |
1523c310 | 3638 | |
4fc688ce | 3639 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
3640 | if (ret) |
3641 | return ret; | |
3642 | ||
1523c310 JB |
3643 | /* |
3644 | * Turbo will still be enabled, but won't go below the set value. | |
3645 | */ | |
0a073b84 | 3646 | if (IS_VALLEYVIEW(dev)) { |
2ec3815f | 3647 | val = vlv_freq_opcode(dev_priv, val); |
dd0a1aa1 JM |
3648 | |
3649 | hw_max = valleyview_rps_max_freq(dev_priv); | |
3650 | hw_min = valleyview_rps_min_freq(dev_priv); | |
0a073b84 JB |
3651 | } else { |
3652 | do_div(val, GT_FREQUENCY_MULTIPLIER); | |
dd0a1aa1 JM |
3653 | |
3654 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
b39fb297 | 3655 | hw_max = dev_priv->rps.max_freq; |
dd0a1aa1 JM |
3656 | hw_min = (rp_state_cap >> 16) & 0xff; |
3657 | } | |
3658 | ||
b39fb297 | 3659 | if (val < hw_min || val > hw_max || val > dev_priv->rps.max_freq_softlimit) { |
dd0a1aa1 JM |
3660 | mutex_unlock(&dev_priv->rps.hw_lock); |
3661 | return -EINVAL; | |
0a073b84 | 3662 | } |
dd0a1aa1 | 3663 | |
b39fb297 | 3664 | dev_priv->rps.min_freq_softlimit = val; |
dd0a1aa1 JM |
3665 | |
3666 | if (IS_VALLEYVIEW(dev)) | |
3667 | valleyview_set_rps(dev, val); | |
3668 | else | |
3669 | gen6_set_rps(dev, val); | |
3670 | ||
4fc688ce | 3671 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 3672 | |
647416f9 | 3673 | return 0; |
1523c310 JB |
3674 | } |
3675 | ||
647416f9 KC |
3676 | DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops, |
3677 | i915_min_freq_get, i915_min_freq_set, | |
3a3b4f98 | 3678 | "%llu\n"); |
1523c310 | 3679 | |
647416f9 KC |
3680 | static int |
3681 | i915_cache_sharing_get(void *data, u64 *val) | |
07b7ddd9 | 3682 | { |
647416f9 | 3683 | struct drm_device *dev = data; |
e277a1f8 | 3684 | struct drm_i915_private *dev_priv = dev->dev_private; |
07b7ddd9 | 3685 | u32 snpcr; |
647416f9 | 3686 | int ret; |
07b7ddd9 | 3687 | |
004777cb DV |
3688 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) |
3689 | return -ENODEV; | |
3690 | ||
22bcfc6a DV |
3691 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
3692 | if (ret) | |
3693 | return ret; | |
c8c8fb33 | 3694 | intel_runtime_pm_get(dev_priv); |
22bcfc6a | 3695 | |
07b7ddd9 | 3696 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); |
c8c8fb33 PZ |
3697 | |
3698 | intel_runtime_pm_put(dev_priv); | |
07b7ddd9 JB |
3699 | mutex_unlock(&dev_priv->dev->struct_mutex); |
3700 | ||
647416f9 | 3701 | *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; |
07b7ddd9 | 3702 | |
647416f9 | 3703 | return 0; |
07b7ddd9 JB |
3704 | } |
3705 | ||
647416f9 KC |
3706 | static int |
3707 | i915_cache_sharing_set(void *data, u64 val) | |
07b7ddd9 | 3708 | { |
647416f9 | 3709 | struct drm_device *dev = data; |
07b7ddd9 | 3710 | struct drm_i915_private *dev_priv = dev->dev_private; |
07b7ddd9 | 3711 | u32 snpcr; |
07b7ddd9 | 3712 | |
004777cb DV |
3713 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) |
3714 | return -ENODEV; | |
3715 | ||
647416f9 | 3716 | if (val > 3) |
07b7ddd9 JB |
3717 | return -EINVAL; |
3718 | ||
c8c8fb33 | 3719 | intel_runtime_pm_get(dev_priv); |
647416f9 | 3720 | DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val); |
07b7ddd9 JB |
3721 | |
3722 | /* Update the cache sharing policy here as well */ | |
3723 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); | |
3724 | snpcr &= ~GEN6_MBC_SNPCR_MASK; | |
3725 | snpcr |= (val << GEN6_MBC_SNPCR_SHIFT); | |
3726 | I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); | |
3727 | ||
c8c8fb33 | 3728 | intel_runtime_pm_put(dev_priv); |
647416f9 | 3729 | return 0; |
07b7ddd9 JB |
3730 | } |
3731 | ||
647416f9 KC |
3732 | DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, |
3733 | i915_cache_sharing_get, i915_cache_sharing_set, | |
3734 | "%llu\n"); | |
07b7ddd9 | 3735 | |
6d794d42 BW |
3736 | static int i915_forcewake_open(struct inode *inode, struct file *file) |
3737 | { | |
3738 | struct drm_device *dev = inode->i_private; | |
3739 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6d794d42 | 3740 | |
075edca4 | 3741 | if (INTEL_INFO(dev)->gen < 6) |
6d794d42 BW |
3742 | return 0; |
3743 | ||
c8d9a590 | 3744 | gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL); |
6d794d42 BW |
3745 | |
3746 | return 0; | |
3747 | } | |
3748 | ||
c43b5634 | 3749 | static int i915_forcewake_release(struct inode *inode, struct file *file) |
6d794d42 BW |
3750 | { |
3751 | struct drm_device *dev = inode->i_private; | |
3752 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3753 | ||
075edca4 | 3754 | if (INTEL_INFO(dev)->gen < 6) |
6d794d42 BW |
3755 | return 0; |
3756 | ||
c8d9a590 | 3757 | gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL); |
6d794d42 BW |
3758 | |
3759 | return 0; | |
3760 | } | |
3761 | ||
3762 | static const struct file_operations i915_forcewake_fops = { | |
3763 | .owner = THIS_MODULE, | |
3764 | .open = i915_forcewake_open, | |
3765 | .release = i915_forcewake_release, | |
3766 | }; | |
3767 | ||
3768 | static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor) | |
3769 | { | |
3770 | struct drm_device *dev = minor->dev; | |
3771 | struct dentry *ent; | |
3772 | ||
3773 | ent = debugfs_create_file("i915_forcewake_user", | |
8eb57294 | 3774 | S_IRUSR, |
6d794d42 BW |
3775 | root, dev, |
3776 | &i915_forcewake_fops); | |
f3c5fe97 WY |
3777 | if (!ent) |
3778 | return -ENOMEM; | |
6d794d42 | 3779 | |
8eb57294 | 3780 | return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops); |
6d794d42 BW |
3781 | } |
3782 | ||
6a9c308d DV |
3783 | static int i915_debugfs_create(struct dentry *root, |
3784 | struct drm_minor *minor, | |
3785 | const char *name, | |
3786 | const struct file_operations *fops) | |
07b7ddd9 JB |
3787 | { |
3788 | struct drm_device *dev = minor->dev; | |
3789 | struct dentry *ent; | |
3790 | ||
6a9c308d | 3791 | ent = debugfs_create_file(name, |
07b7ddd9 JB |
3792 | S_IRUGO | S_IWUSR, |
3793 | root, dev, | |
6a9c308d | 3794 | fops); |
f3c5fe97 WY |
3795 | if (!ent) |
3796 | return -ENOMEM; | |
07b7ddd9 | 3797 | |
6a9c308d | 3798 | return drm_add_fake_info_node(minor, ent, fops); |
07b7ddd9 JB |
3799 | } |
3800 | ||
06c5bf8c | 3801 | static const struct drm_info_list i915_debugfs_list[] = { |
311bd68e | 3802 | {"i915_capabilities", i915_capabilities, 0}, |
73aa808f | 3803 | {"i915_gem_objects", i915_gem_object_info, 0}, |
08c18323 | 3804 | {"i915_gem_gtt", i915_gem_gtt_info, 0}, |
1b50247a | 3805 | {"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST}, |
433e12f7 | 3806 | {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, |
433e12f7 | 3807 | {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, |
6d2b8885 | 3808 | {"i915_gem_stolen", i915_gem_stolen_list_info }, |
4e5359cd | 3809 | {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, |
2017263e BG |
3810 | {"i915_gem_request", i915_gem_request_info, 0}, |
3811 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, | |
a6172a80 | 3812 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, |
2017263e | 3813 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
1ec14ad3 CW |
3814 | {"i915_gem_hws", i915_hws_info, 0, (void *)RCS}, |
3815 | {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS}, | |
3816 | {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS}, | |
9010ebfd | 3817 | {"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS}, |
f97108d1 | 3818 | {"i915_rstdby_delays", i915_rstdby_delays, 0}, |
adb4bd12 | 3819 | {"i915_frequency_info", i915_frequency_info, 0}, |
f97108d1 JB |
3820 | {"i915_delayfreq_table", i915_delayfreq_table, 0}, |
3821 | {"i915_inttoext_table", i915_inttoext_table, 0}, | |
3822 | {"i915_drpc_info", i915_drpc_info, 0}, | |
7648fa99 | 3823 | {"i915_emon_status", i915_emon_status, 0}, |
23b2f8bb | 3824 | {"i915_ring_freq_table", i915_ring_freq_table, 0}, |
7648fa99 | 3825 | {"i915_gfxec", i915_gfxec, 0}, |
b5e50c3f | 3826 | {"i915_fbc_status", i915_fbc_status, 0}, |
92d44621 | 3827 | {"i915_ips_status", i915_ips_status, 0}, |
4a9bef37 | 3828 | {"i915_sr_status", i915_sr_status, 0}, |
44834a67 | 3829 | {"i915_opregion", i915_opregion, 0}, |
37811fcc | 3830 | {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, |
e76d3630 | 3831 | {"i915_context_status", i915_context_status, 0}, |
6d794d42 | 3832 | {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0}, |
ea16a3cd | 3833 | {"i915_swizzle_info", i915_swizzle_info, 0}, |
3cf17fc5 | 3834 | {"i915_ppgtt_info", i915_ppgtt_info, 0}, |
63573eb7 | 3835 | {"i915_llc", i915_llc, 0}, |
e91fd8c6 | 3836 | {"i915_edp_psr_status", i915_edp_psr_status, 0}, |
d2e216d0 | 3837 | {"i915_sink_crc_eDP1", i915_sink_crc, 0}, |
ec013e7f | 3838 | {"i915_energy_uJ", i915_energy_uJ, 0}, |
371db66a | 3839 | {"i915_pc8_status", i915_pc8_status, 0}, |
1da51581 | 3840 | {"i915_power_domain_info", i915_power_domain_info, 0}, |
53f5e3ca | 3841 | {"i915_display_info", i915_display_info, 0}, |
2017263e | 3842 | }; |
27c202ad | 3843 | #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |
2017263e | 3844 | |
06c5bf8c | 3845 | static const struct i915_debugfs_files { |
34b9674c DV |
3846 | const char *name; |
3847 | const struct file_operations *fops; | |
3848 | } i915_debugfs_files[] = { | |
3849 | {"i915_wedged", &i915_wedged_fops}, | |
3850 | {"i915_max_freq", &i915_max_freq_fops}, | |
3851 | {"i915_min_freq", &i915_min_freq_fops}, | |
3852 | {"i915_cache_sharing", &i915_cache_sharing_fops}, | |
3853 | {"i915_ring_stop", &i915_ring_stop_fops}, | |
094f9a54 CW |
3854 | {"i915_ring_missed_irq", &i915_ring_missed_irq_fops}, |
3855 | {"i915_ring_test_irq", &i915_ring_test_irq_fops}, | |
34b9674c DV |
3856 | {"i915_gem_drop_caches", &i915_drop_caches_fops}, |
3857 | {"i915_error_state", &i915_error_state_fops}, | |
3858 | {"i915_next_seqno", &i915_next_seqno_fops}, | |
bd9db02f | 3859 | {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, |
369a1342 VS |
3860 | {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, |
3861 | {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, | |
3862 | {"i915_cur_wm_latency", &i915_cur_wm_latency_fops}, | |
34b9674c DV |
3863 | }; |
3864 | ||
07144428 DL |
3865 | void intel_display_crc_init(struct drm_device *dev) |
3866 | { | |
3867 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b378360e | 3868 | enum pipe pipe; |
07144428 | 3869 | |
b378360e DV |
3870 | for_each_pipe(pipe) { |
3871 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; | |
07144428 | 3872 | |
d538bbdf DL |
3873 | pipe_crc->opened = false; |
3874 | spin_lock_init(&pipe_crc->lock); | |
07144428 DL |
3875 | init_waitqueue_head(&pipe_crc->wq); |
3876 | } | |
3877 | } | |
3878 | ||
27c202ad | 3879 | int i915_debugfs_init(struct drm_minor *minor) |
2017263e | 3880 | { |
34b9674c | 3881 | int ret, i; |
f3cd474b | 3882 | |
6d794d42 | 3883 | ret = i915_forcewake_create(minor->debugfs_root, minor); |
358733e9 JB |
3884 | if (ret) |
3885 | return ret; | |
6a9c308d | 3886 | |
07144428 DL |
3887 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
3888 | ret = i915_pipe_crc_create(minor->debugfs_root, minor, i); | |
3889 | if (ret) | |
3890 | return ret; | |
3891 | } | |
3892 | ||
34b9674c DV |
3893 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
3894 | ret = i915_debugfs_create(minor->debugfs_root, minor, | |
3895 | i915_debugfs_files[i].name, | |
3896 | i915_debugfs_files[i].fops); | |
3897 | if (ret) | |
3898 | return ret; | |
3899 | } | |
40633219 | 3900 | |
27c202ad BG |
3901 | return drm_debugfs_create_files(i915_debugfs_list, |
3902 | I915_DEBUGFS_ENTRIES, | |
2017263e BG |
3903 | minor->debugfs_root, minor); |
3904 | } | |
3905 | ||
27c202ad | 3906 | void i915_debugfs_cleanup(struct drm_minor *minor) |
2017263e | 3907 | { |
34b9674c DV |
3908 | int i; |
3909 | ||
27c202ad BG |
3910 | drm_debugfs_remove_files(i915_debugfs_list, |
3911 | I915_DEBUGFS_ENTRIES, minor); | |
07144428 | 3912 | |
6d794d42 BW |
3913 | drm_debugfs_remove_files((struct drm_info_list *) &i915_forcewake_fops, |
3914 | 1, minor); | |
07144428 | 3915 | |
e309a997 | 3916 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
07144428 DL |
3917 | struct drm_info_list *info_list = |
3918 | (struct drm_info_list *)&i915_pipe_crc_data[i]; | |
3919 | ||
3920 | drm_debugfs_remove_files(info_list, 1, minor); | |
3921 | } | |
3922 | ||
34b9674c DV |
3923 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
3924 | struct drm_info_list *info_list = | |
3925 | (struct drm_info_list *) i915_debugfs_files[i].fops; | |
3926 | ||
3927 | drm_debugfs_remove_files(info_list, 1, minor); | |
3928 | } | |
2017263e | 3929 | } |