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 | |
497666d8 DL |
49 | /* As the drm_debugfs_init() routines are called before dev->dev_private is |
50 | * allocated we need to hook into the minor for release. */ | |
51 | static int | |
52 | drm_add_fake_info_node(struct drm_minor *minor, | |
53 | struct dentry *ent, | |
54 | const void *key) | |
55 | { | |
56 | struct drm_info_node *node; | |
57 | ||
58 | node = kmalloc(sizeof(*node), GFP_KERNEL); | |
59 | if (node == NULL) { | |
60 | debugfs_remove(ent); | |
61 | return -ENOMEM; | |
62 | } | |
63 | ||
64 | node->minor = minor; | |
65 | node->dent = ent; | |
66 | node->info_ent = (void *) key; | |
67 | ||
68 | mutex_lock(&minor->debugfs_lock); | |
69 | list_add(&node->list, &minor->debugfs_list); | |
70 | mutex_unlock(&minor->debugfs_lock); | |
71 | ||
72 | return 0; | |
73 | } | |
74 | ||
70d39fe4 CW |
75 | static int i915_capabilities(struct seq_file *m, void *data) |
76 | { | |
9f25d007 | 77 | struct drm_info_node *node = m->private; |
70d39fe4 CW |
78 | struct drm_device *dev = node->minor->dev; |
79 | const struct intel_device_info *info = INTEL_INFO(dev); | |
80 | ||
81 | seq_printf(m, "gen: %d\n", info->gen); | |
03d00ac5 | 82 | seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev)); |
79fc46df DL |
83 | #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x)) |
84 | #define SEP_SEMICOLON ; | |
85 | DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG, SEP_SEMICOLON); | |
86 | #undef PRINT_FLAG | |
87 | #undef SEP_SEMICOLON | |
70d39fe4 CW |
88 | |
89 | return 0; | |
90 | } | |
2017263e | 91 | |
05394f39 | 92 | static const char *get_pin_flag(struct drm_i915_gem_object *obj) |
a6172a80 | 93 | { |
baaa5cfb | 94 | if (obj->pin_display) |
a6172a80 CW |
95 | return "p"; |
96 | else | |
97 | return " "; | |
98 | } | |
99 | ||
05394f39 | 100 | static const char *get_tiling_flag(struct drm_i915_gem_object *obj) |
a6172a80 | 101 | { |
0206e353 AJ |
102 | switch (obj->tiling_mode) { |
103 | default: | |
104 | case I915_TILING_NONE: return " "; | |
105 | case I915_TILING_X: return "X"; | |
106 | case I915_TILING_Y: return "Y"; | |
107 | } | |
a6172a80 CW |
108 | } |
109 | ||
1d693bcc BW |
110 | static inline const char *get_global_flag(struct drm_i915_gem_object *obj) |
111 | { | |
aff43766 | 112 | return i915_gem_obj_to_ggtt(obj) ? "g" : " "; |
1d693bcc BW |
113 | } |
114 | ||
ca1543be TU |
115 | static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj) |
116 | { | |
117 | u64 size = 0; | |
118 | struct i915_vma *vma; | |
119 | ||
120 | list_for_each_entry(vma, &obj->vma_list, vma_link) { | |
121 | if (i915_is_ggtt(vma->vm) && | |
122 | drm_mm_node_allocated(&vma->node)) | |
123 | size += vma->node.size; | |
124 | } | |
125 | ||
126 | return size; | |
127 | } | |
128 | ||
37811fcc CW |
129 | static void |
130 | describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) | |
131 | { | |
b4716185 CW |
132 | struct drm_i915_private *dev_priv = to_i915(obj->base.dev); |
133 | struct intel_engine_cs *ring; | |
1d693bcc | 134 | struct i915_vma *vma; |
d7f46fc4 | 135 | int pin_count = 0; |
b4716185 | 136 | int i; |
d7f46fc4 | 137 | |
b4716185 | 138 | seq_printf(m, "%pK: %s%s%s%s %8zdKiB %02x %02x [ ", |
37811fcc | 139 | &obj->base, |
481a3d43 | 140 | obj->active ? "*" : " ", |
37811fcc CW |
141 | get_pin_flag(obj), |
142 | get_tiling_flag(obj), | |
1d693bcc | 143 | get_global_flag(obj), |
a05a5862 | 144 | obj->base.size / 1024, |
37811fcc | 145 | obj->base.read_domains, |
b4716185 CW |
146 | obj->base.write_domain); |
147 | for_each_ring(ring, dev_priv, i) | |
148 | seq_printf(m, "%x ", | |
149 | i915_gem_request_get_seqno(obj->last_read_req[i])); | |
150 | seq_printf(m, "] %x %x%s%s%s", | |
97b2a6a1 JH |
151 | i915_gem_request_get_seqno(obj->last_write_req), |
152 | i915_gem_request_get_seqno(obj->last_fenced_req), | |
0a4cd7c8 | 153 | i915_cache_level_str(to_i915(obj->base.dev), obj->cache_level), |
37811fcc CW |
154 | obj->dirty ? " dirty" : "", |
155 | obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); | |
156 | if (obj->base.name) | |
157 | seq_printf(m, " (name: %d)", obj->base.name); | |
ba0635ff | 158 | list_for_each_entry(vma, &obj->vma_list, vma_link) { |
d7f46fc4 BW |
159 | if (vma->pin_count > 0) |
160 | pin_count++; | |
ba0635ff DC |
161 | } |
162 | seq_printf(m, " (pinned x %d)", pin_count); | |
cc98b413 CW |
163 | if (obj->pin_display) |
164 | seq_printf(m, " (display)"); | |
37811fcc CW |
165 | if (obj->fence_reg != I915_FENCE_REG_NONE) |
166 | seq_printf(m, " (fence: %d)", obj->fence_reg); | |
1d693bcc | 167 | list_for_each_entry(vma, &obj->vma_list, vma_link) { |
8d2fdc3f TU |
168 | seq_printf(m, " (%sgtt offset: %08llx, size: %08llx", |
169 | i915_is_ggtt(vma->vm) ? "g" : "pp", | |
170 | vma->node.start, vma->node.size); | |
171 | if (i915_is_ggtt(vma->vm)) | |
172 | seq_printf(m, ", type: %u)", vma->ggtt_view.type); | |
1d693bcc | 173 | else |
8d2fdc3f | 174 | seq_puts(m, ")"); |
1d693bcc | 175 | } |
c1ad11fc | 176 | if (obj->stolen) |
440fd528 | 177 | seq_printf(m, " (stolen: %08llx)", obj->stolen->start); |
30154650 | 178 | if (obj->pin_display || obj->fault_mappable) { |
6299f992 | 179 | char s[3], *t = s; |
30154650 | 180 | if (obj->pin_display) |
6299f992 CW |
181 | *t++ = 'p'; |
182 | if (obj->fault_mappable) | |
183 | *t++ = 'f'; | |
184 | *t = '\0'; | |
185 | seq_printf(m, " (%s mappable)", s); | |
186 | } | |
b4716185 | 187 | if (obj->last_write_req != NULL) |
41c52415 | 188 | seq_printf(m, " (%s)", |
b4716185 | 189 | i915_gem_request_get_ring(obj->last_write_req)->name); |
d5a81ef1 DV |
190 | if (obj->frontbuffer_bits) |
191 | seq_printf(m, " (frontbuffer: 0x%03x)", obj->frontbuffer_bits); | |
37811fcc CW |
192 | } |
193 | ||
273497e5 | 194 | static void describe_ctx(struct seq_file *m, struct intel_context *ctx) |
3ccfd19d | 195 | { |
ea0c76f8 | 196 | seq_putc(m, ctx->legacy_hw_ctx.initialized ? 'I' : 'i'); |
3ccfd19d BW |
197 | seq_putc(m, ctx->remap_slice ? 'R' : 'r'); |
198 | seq_putc(m, ' '); | |
199 | } | |
200 | ||
433e12f7 | 201 | static int i915_gem_object_list_info(struct seq_file *m, void *data) |
2017263e | 202 | { |
9f25d007 | 203 | struct drm_info_node *node = m->private; |
433e12f7 BG |
204 | uintptr_t list = (uintptr_t) node->info_ent->data; |
205 | struct list_head *head; | |
2017263e | 206 | struct drm_device *dev = node->minor->dev; |
5cef07e1 BW |
207 | struct drm_i915_private *dev_priv = dev->dev_private; |
208 | struct i915_address_space *vm = &dev_priv->gtt.base; | |
ca191b13 | 209 | struct i915_vma *vma; |
c44ef60e | 210 | u64 total_obj_size, total_gtt_size; |
8f2480fb | 211 | int count, ret; |
de227ef0 CW |
212 | |
213 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
214 | if (ret) | |
215 | return ret; | |
2017263e | 216 | |
ca191b13 | 217 | /* FIXME: the user of this interface might want more than just GGTT */ |
433e12f7 BG |
218 | switch (list) { |
219 | case ACTIVE_LIST: | |
267f0c90 | 220 | seq_puts(m, "Active:\n"); |
5cef07e1 | 221 | head = &vm->active_list; |
433e12f7 BG |
222 | break; |
223 | case INACTIVE_LIST: | |
267f0c90 | 224 | seq_puts(m, "Inactive:\n"); |
5cef07e1 | 225 | head = &vm->inactive_list; |
433e12f7 | 226 | break; |
433e12f7 | 227 | default: |
de227ef0 CW |
228 | mutex_unlock(&dev->struct_mutex); |
229 | return -EINVAL; | |
2017263e | 230 | } |
2017263e | 231 | |
8f2480fb | 232 | total_obj_size = total_gtt_size = count = 0; |
ca191b13 BW |
233 | list_for_each_entry(vma, head, mm_list) { |
234 | seq_printf(m, " "); | |
235 | describe_obj(m, vma->obj); | |
236 | seq_printf(m, "\n"); | |
237 | total_obj_size += vma->obj->base.size; | |
238 | total_gtt_size += vma->node.size; | |
8f2480fb | 239 | count++; |
2017263e | 240 | } |
de227ef0 | 241 | mutex_unlock(&dev->struct_mutex); |
5e118f41 | 242 | |
c44ef60e | 243 | seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", |
8f2480fb | 244 | count, total_obj_size, total_gtt_size); |
2017263e BG |
245 | return 0; |
246 | } | |
247 | ||
6d2b8885 CW |
248 | static int obj_rank_by_stolen(void *priv, |
249 | struct list_head *A, struct list_head *B) | |
250 | { | |
251 | struct drm_i915_gem_object *a = | |
b25cb2f8 | 252 | container_of(A, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 | 253 | struct drm_i915_gem_object *b = |
b25cb2f8 | 254 | container_of(B, struct drm_i915_gem_object, obj_exec_link); |
6d2b8885 CW |
255 | |
256 | return a->stolen->start - b->stolen->start; | |
257 | } | |
258 | ||
259 | static int i915_gem_stolen_list_info(struct seq_file *m, void *data) | |
260 | { | |
9f25d007 | 261 | struct drm_info_node *node = m->private; |
6d2b8885 CW |
262 | struct drm_device *dev = node->minor->dev; |
263 | struct drm_i915_private *dev_priv = dev->dev_private; | |
264 | struct drm_i915_gem_object *obj; | |
c44ef60e | 265 | u64 total_obj_size, total_gtt_size; |
6d2b8885 CW |
266 | LIST_HEAD(stolen); |
267 | int count, ret; | |
268 | ||
269 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
270 | if (ret) | |
271 | return ret; | |
272 | ||
273 | total_obj_size = total_gtt_size = count = 0; | |
274 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { | |
275 | if (obj->stolen == NULL) | |
276 | continue; | |
277 | ||
b25cb2f8 | 278 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
279 | |
280 | total_obj_size += obj->base.size; | |
ca1543be | 281 | total_gtt_size += i915_gem_obj_total_ggtt_size(obj); |
6d2b8885 CW |
282 | count++; |
283 | } | |
284 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { | |
285 | if (obj->stolen == NULL) | |
286 | continue; | |
287 | ||
b25cb2f8 | 288 | list_add(&obj->obj_exec_link, &stolen); |
6d2b8885 CW |
289 | |
290 | total_obj_size += obj->base.size; | |
291 | count++; | |
292 | } | |
293 | list_sort(NULL, &stolen, obj_rank_by_stolen); | |
294 | seq_puts(m, "Stolen:\n"); | |
295 | while (!list_empty(&stolen)) { | |
b25cb2f8 | 296 | obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link); |
6d2b8885 CW |
297 | seq_puts(m, " "); |
298 | describe_obj(m, obj); | |
299 | seq_putc(m, '\n'); | |
b25cb2f8 | 300 | list_del_init(&obj->obj_exec_link); |
6d2b8885 CW |
301 | } |
302 | mutex_unlock(&dev->struct_mutex); | |
303 | ||
c44ef60e | 304 | seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", |
6d2b8885 CW |
305 | count, total_obj_size, total_gtt_size); |
306 | return 0; | |
307 | } | |
308 | ||
6299f992 CW |
309 | #define count_objects(list, member) do { \ |
310 | list_for_each_entry(obj, list, member) { \ | |
ca1543be | 311 | size += i915_gem_obj_total_ggtt_size(obj); \ |
6299f992 CW |
312 | ++count; \ |
313 | if (obj->map_and_fenceable) { \ | |
f343c5f6 | 314 | mappable_size += i915_gem_obj_ggtt_size(obj); \ |
6299f992 CW |
315 | ++mappable_count; \ |
316 | } \ | |
317 | } \ | |
0206e353 | 318 | } while (0) |
6299f992 | 319 | |
2db8e9d6 | 320 | struct file_stats { |
6313c204 | 321 | struct drm_i915_file_private *file_priv; |
c44ef60e MK |
322 | unsigned long count; |
323 | u64 total, unbound; | |
324 | u64 global, shared; | |
325 | u64 active, inactive; | |
2db8e9d6 CW |
326 | }; |
327 | ||
328 | static int per_file_stats(int id, void *ptr, void *data) | |
329 | { | |
330 | struct drm_i915_gem_object *obj = ptr; | |
331 | struct file_stats *stats = data; | |
6313c204 | 332 | struct i915_vma *vma; |
2db8e9d6 CW |
333 | |
334 | stats->count++; | |
335 | stats->total += obj->base.size; | |
336 | ||
c67a17e9 CW |
337 | if (obj->base.name || obj->base.dma_buf) |
338 | stats->shared += obj->base.size; | |
339 | ||
6313c204 CW |
340 | if (USES_FULL_PPGTT(obj->base.dev)) { |
341 | list_for_each_entry(vma, &obj->vma_list, vma_link) { | |
342 | struct i915_hw_ppgtt *ppgtt; | |
343 | ||
344 | if (!drm_mm_node_allocated(&vma->node)) | |
345 | continue; | |
346 | ||
347 | if (i915_is_ggtt(vma->vm)) { | |
348 | stats->global += obj->base.size; | |
349 | continue; | |
350 | } | |
351 | ||
352 | ppgtt = container_of(vma->vm, struct i915_hw_ppgtt, base); | |
4d884705 | 353 | if (ppgtt->file_priv != stats->file_priv) |
6313c204 CW |
354 | continue; |
355 | ||
41c52415 | 356 | if (obj->active) /* XXX per-vma statistic */ |
6313c204 CW |
357 | stats->active += obj->base.size; |
358 | else | |
359 | stats->inactive += obj->base.size; | |
360 | ||
361 | return 0; | |
362 | } | |
2db8e9d6 | 363 | } else { |
6313c204 CW |
364 | if (i915_gem_obj_ggtt_bound(obj)) { |
365 | stats->global += obj->base.size; | |
41c52415 | 366 | if (obj->active) |
6313c204 CW |
367 | stats->active += obj->base.size; |
368 | else | |
369 | stats->inactive += obj->base.size; | |
370 | return 0; | |
371 | } | |
2db8e9d6 CW |
372 | } |
373 | ||
6313c204 CW |
374 | if (!list_empty(&obj->global_list)) |
375 | stats->unbound += obj->base.size; | |
376 | ||
2db8e9d6 CW |
377 | return 0; |
378 | } | |
379 | ||
b0da1b79 CW |
380 | #define print_file_stats(m, name, stats) do { \ |
381 | if (stats.count) \ | |
c44ef60e | 382 | seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \ |
b0da1b79 CW |
383 | name, \ |
384 | stats.count, \ | |
385 | stats.total, \ | |
386 | stats.active, \ | |
387 | stats.inactive, \ | |
388 | stats.global, \ | |
389 | stats.shared, \ | |
390 | stats.unbound); \ | |
391 | } while (0) | |
493018dc BV |
392 | |
393 | static void print_batch_pool_stats(struct seq_file *m, | |
394 | struct drm_i915_private *dev_priv) | |
395 | { | |
396 | struct drm_i915_gem_object *obj; | |
397 | struct file_stats stats; | |
06fbca71 | 398 | struct intel_engine_cs *ring; |
8d9d5744 | 399 | int i, j; |
493018dc BV |
400 | |
401 | memset(&stats, 0, sizeof(stats)); | |
402 | ||
06fbca71 | 403 | for_each_ring(ring, dev_priv, i) { |
8d9d5744 CW |
404 | for (j = 0; j < ARRAY_SIZE(ring->batch_pool.cache_list); j++) { |
405 | list_for_each_entry(obj, | |
406 | &ring->batch_pool.cache_list[j], | |
407 | batch_pool_link) | |
408 | per_file_stats(0, obj, &stats); | |
409 | } | |
06fbca71 | 410 | } |
493018dc | 411 | |
b0da1b79 | 412 | print_file_stats(m, "[k]batch pool", stats); |
493018dc BV |
413 | } |
414 | ||
ca191b13 BW |
415 | #define count_vmas(list, member) do { \ |
416 | list_for_each_entry(vma, list, member) { \ | |
ca1543be | 417 | size += i915_gem_obj_total_ggtt_size(vma->obj); \ |
ca191b13 BW |
418 | ++count; \ |
419 | if (vma->obj->map_and_fenceable) { \ | |
420 | mappable_size += i915_gem_obj_ggtt_size(vma->obj); \ | |
421 | ++mappable_count; \ | |
422 | } \ | |
423 | } \ | |
424 | } while (0) | |
425 | ||
426 | static int i915_gem_object_info(struct seq_file *m, void* data) | |
73aa808f | 427 | { |
9f25d007 | 428 | struct drm_info_node *node = m->private; |
73aa808f CW |
429 | struct drm_device *dev = node->minor->dev; |
430 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b7abb714 | 431 | u32 count, mappable_count, purgeable_count; |
c44ef60e | 432 | u64 size, mappable_size, purgeable_size; |
6299f992 | 433 | struct drm_i915_gem_object *obj; |
5cef07e1 | 434 | struct i915_address_space *vm = &dev_priv->gtt.base; |
2db8e9d6 | 435 | struct drm_file *file; |
ca191b13 | 436 | struct i915_vma *vma; |
73aa808f CW |
437 | int ret; |
438 | ||
439 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
440 | if (ret) | |
441 | return ret; | |
442 | ||
6299f992 CW |
443 | seq_printf(m, "%u objects, %zu bytes\n", |
444 | dev_priv->mm.object_count, | |
445 | dev_priv->mm.object_memory); | |
446 | ||
447 | size = count = mappable_size = mappable_count = 0; | |
35c20a60 | 448 | count_objects(&dev_priv->mm.bound_list, global_list); |
c44ef60e | 449 | seq_printf(m, "%u [%u] objects, %llu [%llu] bytes in gtt\n", |
6299f992 CW |
450 | count, mappable_count, size, mappable_size); |
451 | ||
452 | size = count = mappable_size = mappable_count = 0; | |
ca191b13 | 453 | count_vmas(&vm->active_list, mm_list); |
c44ef60e | 454 | seq_printf(m, " %u [%u] active objects, %llu [%llu] bytes\n", |
6299f992 CW |
455 | count, mappable_count, size, mappable_size); |
456 | ||
6299f992 | 457 | size = count = mappable_size = mappable_count = 0; |
ca191b13 | 458 | count_vmas(&vm->inactive_list, mm_list); |
c44ef60e | 459 | seq_printf(m, " %u [%u] inactive objects, %llu [%llu] bytes\n", |
6299f992 CW |
460 | count, mappable_count, size, mappable_size); |
461 | ||
b7abb714 | 462 | size = count = purgeable_size = purgeable_count = 0; |
35c20a60 | 463 | list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) { |
6c085a72 | 464 | size += obj->base.size, ++count; |
b7abb714 CW |
465 | if (obj->madv == I915_MADV_DONTNEED) |
466 | purgeable_size += obj->base.size, ++purgeable_count; | |
467 | } | |
c44ef60e | 468 | seq_printf(m, "%u unbound objects, %llu bytes\n", count, size); |
6c085a72 | 469 | |
6299f992 | 470 | size = count = mappable_size = mappable_count = 0; |
35c20a60 | 471 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
6299f992 | 472 | if (obj->fault_mappable) { |
f343c5f6 | 473 | size += i915_gem_obj_ggtt_size(obj); |
6299f992 CW |
474 | ++count; |
475 | } | |
30154650 | 476 | if (obj->pin_display) { |
f343c5f6 | 477 | mappable_size += i915_gem_obj_ggtt_size(obj); |
6299f992 CW |
478 | ++mappable_count; |
479 | } | |
b7abb714 CW |
480 | if (obj->madv == I915_MADV_DONTNEED) { |
481 | purgeable_size += obj->base.size; | |
482 | ++purgeable_count; | |
483 | } | |
6299f992 | 484 | } |
c44ef60e | 485 | seq_printf(m, "%u purgeable objects, %llu bytes\n", |
b7abb714 | 486 | purgeable_count, purgeable_size); |
c44ef60e | 487 | seq_printf(m, "%u pinned mappable objects, %llu bytes\n", |
6299f992 | 488 | mappable_count, mappable_size); |
c44ef60e | 489 | seq_printf(m, "%u fault mappable objects, %llu bytes\n", |
6299f992 CW |
490 | count, size); |
491 | ||
c44ef60e | 492 | seq_printf(m, "%llu [%llu] gtt total\n", |
853ba5d2 | 493 | dev_priv->gtt.base.total, |
c44ef60e | 494 | (u64)dev_priv->gtt.mappable_end - dev_priv->gtt.base.start); |
73aa808f | 495 | |
493018dc BV |
496 | seq_putc(m, '\n'); |
497 | print_batch_pool_stats(m, dev_priv); | |
2db8e9d6 CW |
498 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
499 | struct file_stats stats; | |
3ec2f427 | 500 | struct task_struct *task; |
2db8e9d6 CW |
501 | |
502 | memset(&stats, 0, sizeof(stats)); | |
6313c204 | 503 | stats.file_priv = file->driver_priv; |
5b5ffff0 | 504 | spin_lock(&file->table_lock); |
2db8e9d6 | 505 | idr_for_each(&file->object_idr, per_file_stats, &stats); |
5b5ffff0 | 506 | spin_unlock(&file->table_lock); |
3ec2f427 TH |
507 | /* |
508 | * Although we have a valid reference on file->pid, that does | |
509 | * not guarantee that the task_struct who called get_pid() is | |
510 | * still alive (e.g. get_pid(current) => fork() => exit()). | |
511 | * Therefore, we need to protect this ->comm access using RCU. | |
512 | */ | |
513 | rcu_read_lock(); | |
514 | task = pid_task(file->pid, PIDTYPE_PID); | |
493018dc | 515 | print_file_stats(m, task ? task->comm : "<unknown>", stats); |
3ec2f427 | 516 | rcu_read_unlock(); |
2db8e9d6 CW |
517 | } |
518 | ||
73aa808f CW |
519 | mutex_unlock(&dev->struct_mutex); |
520 | ||
521 | return 0; | |
522 | } | |
523 | ||
aee56cff | 524 | static int i915_gem_gtt_info(struct seq_file *m, void *data) |
08c18323 | 525 | { |
9f25d007 | 526 | struct drm_info_node *node = m->private; |
08c18323 | 527 | struct drm_device *dev = node->minor->dev; |
1b50247a | 528 | uintptr_t list = (uintptr_t) node->info_ent->data; |
08c18323 CW |
529 | struct drm_i915_private *dev_priv = dev->dev_private; |
530 | struct drm_i915_gem_object *obj; | |
c44ef60e | 531 | u64 total_obj_size, total_gtt_size; |
08c18323 CW |
532 | int count, ret; |
533 | ||
534 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
535 | if (ret) | |
536 | return ret; | |
537 | ||
538 | total_obj_size = total_gtt_size = count = 0; | |
35c20a60 | 539 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
d7f46fc4 | 540 | if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj)) |
1b50247a CW |
541 | continue; |
542 | ||
267f0c90 | 543 | seq_puts(m, " "); |
08c18323 | 544 | describe_obj(m, obj); |
267f0c90 | 545 | seq_putc(m, '\n'); |
08c18323 | 546 | total_obj_size += obj->base.size; |
ca1543be | 547 | total_gtt_size += i915_gem_obj_total_ggtt_size(obj); |
08c18323 CW |
548 | count++; |
549 | } | |
550 | ||
551 | mutex_unlock(&dev->struct_mutex); | |
552 | ||
c44ef60e | 553 | seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", |
08c18323 CW |
554 | count, total_obj_size, total_gtt_size); |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
4e5359cd SF |
559 | static int i915_gem_pageflip_info(struct seq_file *m, void *data) |
560 | { | |
9f25d007 | 561 | struct drm_info_node *node = m->private; |
4e5359cd | 562 | struct drm_device *dev = node->minor->dev; |
d6bbafa1 | 563 | struct drm_i915_private *dev_priv = dev->dev_private; |
4e5359cd | 564 | struct intel_crtc *crtc; |
8a270ebf DV |
565 | int ret; |
566 | ||
567 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
568 | if (ret) | |
569 | return ret; | |
4e5359cd | 570 | |
d3fcc808 | 571 | for_each_intel_crtc(dev, crtc) { |
9db4a9c7 JB |
572 | const char pipe = pipe_name(crtc->pipe); |
573 | const char plane = plane_name(crtc->plane); | |
4e5359cd SF |
574 | struct intel_unpin_work *work; |
575 | ||
5e2d7afc | 576 | spin_lock_irq(&dev->event_lock); |
4e5359cd SF |
577 | work = crtc->unpin_work; |
578 | if (work == NULL) { | |
9db4a9c7 | 579 | seq_printf(m, "No flip due on pipe %c (plane %c)\n", |
4e5359cd SF |
580 | pipe, plane); |
581 | } else { | |
d6bbafa1 CW |
582 | u32 addr; |
583 | ||
e7d841ca | 584 | if (atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { |
9db4a9c7 | 585 | seq_printf(m, "Flip queued on pipe %c (plane %c)\n", |
4e5359cd SF |
586 | pipe, plane); |
587 | } else { | |
9db4a9c7 | 588 | seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n", |
4e5359cd SF |
589 | pipe, plane); |
590 | } | |
3a8a946e DV |
591 | if (work->flip_queued_req) { |
592 | struct intel_engine_cs *ring = | |
593 | i915_gem_request_get_ring(work->flip_queued_req); | |
594 | ||
20e28fba | 595 | seq_printf(m, "Flip queued on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n", |
3a8a946e | 596 | ring->name, |
f06cc1b9 | 597 | i915_gem_request_get_seqno(work->flip_queued_req), |
d6bbafa1 | 598 | dev_priv->next_seqno, |
3a8a946e | 599 | ring->get_seqno(ring, true), |
1b5a433a | 600 | i915_gem_request_completed(work->flip_queued_req, true)); |
d6bbafa1 CW |
601 | } else |
602 | seq_printf(m, "Flip not associated with any ring\n"); | |
603 | seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n", | |
604 | work->flip_queued_vblank, | |
605 | work->flip_ready_vblank, | |
1e3feefd | 606 | drm_crtc_vblank_count(&crtc->base)); |
4e5359cd | 607 | if (work->enable_stall_check) |
267f0c90 | 608 | seq_puts(m, "Stall check enabled, "); |
4e5359cd | 609 | else |
267f0c90 | 610 | seq_puts(m, "Stall check waiting for page flip ioctl, "); |
e7d841ca | 611 | seq_printf(m, "%d prepares\n", atomic_read(&work->pending)); |
4e5359cd | 612 | |
d6bbafa1 CW |
613 | if (INTEL_INFO(dev)->gen >= 4) |
614 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane))); | |
615 | else | |
616 | addr = I915_READ(DSPADDR(crtc->plane)); | |
617 | seq_printf(m, "Current scanout address 0x%08x\n", addr); | |
618 | ||
4e5359cd | 619 | if (work->pending_flip_obj) { |
d6bbafa1 CW |
620 | seq_printf(m, "New framebuffer address 0x%08lx\n", (long)work->gtt_offset); |
621 | seq_printf(m, "MMIO update completed? %d\n", addr == work->gtt_offset); | |
4e5359cd SF |
622 | } |
623 | } | |
5e2d7afc | 624 | spin_unlock_irq(&dev->event_lock); |
4e5359cd SF |
625 | } |
626 | ||
8a270ebf DV |
627 | mutex_unlock(&dev->struct_mutex); |
628 | ||
4e5359cd SF |
629 | return 0; |
630 | } | |
631 | ||
493018dc BV |
632 | static int i915_gem_batch_pool_info(struct seq_file *m, void *data) |
633 | { | |
634 | struct drm_info_node *node = m->private; | |
635 | struct drm_device *dev = node->minor->dev; | |
636 | struct drm_i915_private *dev_priv = dev->dev_private; | |
637 | struct drm_i915_gem_object *obj; | |
06fbca71 | 638 | struct intel_engine_cs *ring; |
8d9d5744 CW |
639 | int total = 0; |
640 | int ret, i, j; | |
493018dc BV |
641 | |
642 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
643 | if (ret) | |
644 | return ret; | |
645 | ||
06fbca71 | 646 | for_each_ring(ring, dev_priv, i) { |
8d9d5744 CW |
647 | for (j = 0; j < ARRAY_SIZE(ring->batch_pool.cache_list); j++) { |
648 | int count; | |
649 | ||
650 | count = 0; | |
651 | list_for_each_entry(obj, | |
652 | &ring->batch_pool.cache_list[j], | |
653 | batch_pool_link) | |
654 | count++; | |
655 | seq_printf(m, "%s cache[%d]: %d objects\n", | |
656 | ring->name, j, count); | |
657 | ||
658 | list_for_each_entry(obj, | |
659 | &ring->batch_pool.cache_list[j], | |
660 | batch_pool_link) { | |
661 | seq_puts(m, " "); | |
662 | describe_obj(m, obj); | |
663 | seq_putc(m, '\n'); | |
664 | } | |
665 | ||
666 | total += count; | |
06fbca71 | 667 | } |
493018dc BV |
668 | } |
669 | ||
8d9d5744 | 670 | seq_printf(m, "total: %d\n", total); |
493018dc BV |
671 | |
672 | mutex_unlock(&dev->struct_mutex); | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
2017263e BG |
677 | static int i915_gem_request_info(struct seq_file *m, void *data) |
678 | { | |
9f25d007 | 679 | struct drm_info_node *node = m->private; |
2017263e | 680 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 681 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 682 | struct intel_engine_cs *ring; |
eed29a5b | 683 | struct drm_i915_gem_request *req; |
2d1070b2 | 684 | int ret, any, i; |
de227ef0 CW |
685 | |
686 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
687 | if (ret) | |
688 | return ret; | |
2017263e | 689 | |
2d1070b2 | 690 | any = 0; |
a2c7f6fd | 691 | for_each_ring(ring, dev_priv, i) { |
2d1070b2 CW |
692 | int count; |
693 | ||
694 | count = 0; | |
eed29a5b | 695 | list_for_each_entry(req, &ring->request_list, list) |
2d1070b2 CW |
696 | count++; |
697 | if (count == 0) | |
a2c7f6fd CW |
698 | continue; |
699 | ||
2d1070b2 | 700 | seq_printf(m, "%s requests: %d\n", ring->name, count); |
eed29a5b | 701 | list_for_each_entry(req, &ring->request_list, list) { |
2d1070b2 CW |
702 | struct task_struct *task; |
703 | ||
704 | rcu_read_lock(); | |
705 | task = NULL; | |
eed29a5b DV |
706 | if (req->pid) |
707 | task = pid_task(req->pid, PIDTYPE_PID); | |
2d1070b2 | 708 | seq_printf(m, " %x @ %d: %s [%d]\n", |
eed29a5b DV |
709 | req->seqno, |
710 | (int) (jiffies - req->emitted_jiffies), | |
2d1070b2 CW |
711 | task ? task->comm : "<unknown>", |
712 | task ? task->pid : -1); | |
713 | rcu_read_unlock(); | |
c2c347a9 | 714 | } |
2d1070b2 CW |
715 | |
716 | any++; | |
2017263e | 717 | } |
de227ef0 CW |
718 | mutex_unlock(&dev->struct_mutex); |
719 | ||
2d1070b2 | 720 | if (any == 0) |
267f0c90 | 721 | seq_puts(m, "No requests\n"); |
c2c347a9 | 722 | |
2017263e BG |
723 | return 0; |
724 | } | |
725 | ||
b2223497 | 726 | static void i915_ring_seqno_info(struct seq_file *m, |
a4872ba6 | 727 | struct intel_engine_cs *ring) |
b2223497 CW |
728 | { |
729 | if (ring->get_seqno) { | |
20e28fba | 730 | seq_printf(m, "Current sequence (%s): %x\n", |
b2eadbc8 | 731 | ring->name, ring->get_seqno(ring, false)); |
b2223497 CW |
732 | } |
733 | } | |
734 | ||
2017263e BG |
735 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
736 | { | |
9f25d007 | 737 | struct drm_info_node *node = m->private; |
2017263e | 738 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 739 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 740 | struct intel_engine_cs *ring; |
1ec14ad3 | 741 | int ret, i; |
de227ef0 CW |
742 | |
743 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
744 | if (ret) | |
745 | return ret; | |
c8c8fb33 | 746 | intel_runtime_pm_get(dev_priv); |
2017263e | 747 | |
a2c7f6fd CW |
748 | for_each_ring(ring, dev_priv, i) |
749 | i915_ring_seqno_info(m, ring); | |
de227ef0 | 750 | |
c8c8fb33 | 751 | intel_runtime_pm_put(dev_priv); |
de227ef0 CW |
752 | mutex_unlock(&dev->struct_mutex); |
753 | ||
2017263e BG |
754 | return 0; |
755 | } | |
756 | ||
757 | ||
758 | static int i915_interrupt_info(struct seq_file *m, void *data) | |
759 | { | |
9f25d007 | 760 | struct drm_info_node *node = m->private; |
2017263e | 761 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 762 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 763 | struct intel_engine_cs *ring; |
9db4a9c7 | 764 | int ret, i, pipe; |
de227ef0 CW |
765 | |
766 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
767 | if (ret) | |
768 | return ret; | |
c8c8fb33 | 769 | intel_runtime_pm_get(dev_priv); |
2017263e | 770 | |
74e1ca8c | 771 | if (IS_CHERRYVIEW(dev)) { |
74e1ca8c VS |
772 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
773 | I915_READ(GEN8_MASTER_IRQ)); | |
774 | ||
775 | seq_printf(m, "Display IER:\t%08x\n", | |
776 | I915_READ(VLV_IER)); | |
777 | seq_printf(m, "Display IIR:\t%08x\n", | |
778 | I915_READ(VLV_IIR)); | |
779 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
780 | I915_READ(VLV_IIR_RW)); | |
781 | seq_printf(m, "Display IMR:\t%08x\n", | |
782 | I915_READ(VLV_IMR)); | |
055e393f | 783 | for_each_pipe(dev_priv, pipe) |
74e1ca8c VS |
784 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
785 | pipe_name(pipe), | |
786 | I915_READ(PIPESTAT(pipe))); | |
787 | ||
788 | seq_printf(m, "Port hotplug:\t%08x\n", | |
789 | I915_READ(PORT_HOTPLUG_EN)); | |
790 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
791 | I915_READ(VLV_DPFLIPSTAT)); | |
792 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
793 | I915_READ(DPINVGTT)); | |
794 | ||
795 | for (i = 0; i < 4; i++) { | |
796 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
797 | i, I915_READ(GEN8_GT_IMR(i))); | |
798 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
799 | i, I915_READ(GEN8_GT_IIR(i))); | |
800 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
801 | i, I915_READ(GEN8_GT_IER(i))); | |
802 | } | |
803 | ||
804 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
805 | I915_READ(GEN8_PCU_IMR)); | |
806 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
807 | I915_READ(GEN8_PCU_IIR)); | |
808 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
809 | I915_READ(GEN8_PCU_IER)); | |
810 | } else if (INTEL_INFO(dev)->gen >= 8) { | |
a123f157 BW |
811 | seq_printf(m, "Master Interrupt Control:\t%08x\n", |
812 | I915_READ(GEN8_MASTER_IRQ)); | |
813 | ||
814 | for (i = 0; i < 4; i++) { | |
815 | seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", | |
816 | i, I915_READ(GEN8_GT_IMR(i))); | |
817 | seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", | |
818 | i, I915_READ(GEN8_GT_IIR(i))); | |
819 | seq_printf(m, "GT Interrupt IER %d:\t%08x\n", | |
820 | i, I915_READ(GEN8_GT_IER(i))); | |
821 | } | |
822 | ||
055e393f | 823 | for_each_pipe(dev_priv, pipe) { |
f458ebbc | 824 | if (!intel_display_power_is_enabled(dev_priv, |
22c59960 PZ |
825 | POWER_DOMAIN_PIPE(pipe))) { |
826 | seq_printf(m, "Pipe %c power disabled\n", | |
827 | pipe_name(pipe)); | |
828 | continue; | |
829 | } | |
a123f157 | 830 | seq_printf(m, "Pipe %c IMR:\t%08x\n", |
07d27e20 DL |
831 | pipe_name(pipe), |
832 | I915_READ(GEN8_DE_PIPE_IMR(pipe))); | |
a123f157 | 833 | seq_printf(m, "Pipe %c IIR:\t%08x\n", |
07d27e20 DL |
834 | pipe_name(pipe), |
835 | I915_READ(GEN8_DE_PIPE_IIR(pipe))); | |
a123f157 | 836 | seq_printf(m, "Pipe %c IER:\t%08x\n", |
07d27e20 DL |
837 | pipe_name(pipe), |
838 | I915_READ(GEN8_DE_PIPE_IER(pipe))); | |
a123f157 BW |
839 | } |
840 | ||
841 | seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", | |
842 | I915_READ(GEN8_DE_PORT_IMR)); | |
843 | seq_printf(m, "Display Engine port interrupt identity:\t%08x\n", | |
844 | I915_READ(GEN8_DE_PORT_IIR)); | |
845 | seq_printf(m, "Display Engine port interrupt enable:\t%08x\n", | |
846 | I915_READ(GEN8_DE_PORT_IER)); | |
847 | ||
848 | seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n", | |
849 | I915_READ(GEN8_DE_MISC_IMR)); | |
850 | seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n", | |
851 | I915_READ(GEN8_DE_MISC_IIR)); | |
852 | seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n", | |
853 | I915_READ(GEN8_DE_MISC_IER)); | |
854 | ||
855 | seq_printf(m, "PCU interrupt mask:\t%08x\n", | |
856 | I915_READ(GEN8_PCU_IMR)); | |
857 | seq_printf(m, "PCU interrupt identity:\t%08x\n", | |
858 | I915_READ(GEN8_PCU_IIR)); | |
859 | seq_printf(m, "PCU interrupt enable:\t%08x\n", | |
860 | I915_READ(GEN8_PCU_IER)); | |
861 | } else if (IS_VALLEYVIEW(dev)) { | |
7e231dbe JB |
862 | seq_printf(m, "Display IER:\t%08x\n", |
863 | I915_READ(VLV_IER)); | |
864 | seq_printf(m, "Display IIR:\t%08x\n", | |
865 | I915_READ(VLV_IIR)); | |
866 | seq_printf(m, "Display IIR_RW:\t%08x\n", | |
867 | I915_READ(VLV_IIR_RW)); | |
868 | seq_printf(m, "Display IMR:\t%08x\n", | |
869 | I915_READ(VLV_IMR)); | |
055e393f | 870 | for_each_pipe(dev_priv, pipe) |
7e231dbe JB |
871 | seq_printf(m, "Pipe %c stat:\t%08x\n", |
872 | pipe_name(pipe), | |
873 | I915_READ(PIPESTAT(pipe))); | |
874 | ||
875 | seq_printf(m, "Master IER:\t%08x\n", | |
876 | I915_READ(VLV_MASTER_IER)); | |
877 | ||
878 | seq_printf(m, "Render IER:\t%08x\n", | |
879 | I915_READ(GTIER)); | |
880 | seq_printf(m, "Render IIR:\t%08x\n", | |
881 | I915_READ(GTIIR)); | |
882 | seq_printf(m, "Render IMR:\t%08x\n", | |
883 | I915_READ(GTIMR)); | |
884 | ||
885 | seq_printf(m, "PM IER:\t\t%08x\n", | |
886 | I915_READ(GEN6_PMIER)); | |
887 | seq_printf(m, "PM IIR:\t\t%08x\n", | |
888 | I915_READ(GEN6_PMIIR)); | |
889 | seq_printf(m, "PM IMR:\t\t%08x\n", | |
890 | I915_READ(GEN6_PMIMR)); | |
891 | ||
892 | seq_printf(m, "Port hotplug:\t%08x\n", | |
893 | I915_READ(PORT_HOTPLUG_EN)); | |
894 | seq_printf(m, "DPFLIPSTAT:\t%08x\n", | |
895 | I915_READ(VLV_DPFLIPSTAT)); | |
896 | seq_printf(m, "DPINVGTT:\t%08x\n", | |
897 | I915_READ(DPINVGTT)); | |
898 | ||
899 | } else if (!HAS_PCH_SPLIT(dev)) { | |
5f6a1695 ZW |
900 | seq_printf(m, "Interrupt enable: %08x\n", |
901 | I915_READ(IER)); | |
902 | seq_printf(m, "Interrupt identity: %08x\n", | |
903 | I915_READ(IIR)); | |
904 | seq_printf(m, "Interrupt mask: %08x\n", | |
905 | I915_READ(IMR)); | |
055e393f | 906 | for_each_pipe(dev_priv, pipe) |
9db4a9c7 JB |
907 | seq_printf(m, "Pipe %c stat: %08x\n", |
908 | pipe_name(pipe), | |
909 | I915_READ(PIPESTAT(pipe))); | |
5f6a1695 ZW |
910 | } else { |
911 | seq_printf(m, "North Display Interrupt enable: %08x\n", | |
912 | I915_READ(DEIER)); | |
913 | seq_printf(m, "North Display Interrupt identity: %08x\n", | |
914 | I915_READ(DEIIR)); | |
915 | seq_printf(m, "North Display Interrupt mask: %08x\n", | |
916 | I915_READ(DEIMR)); | |
917 | seq_printf(m, "South Display Interrupt enable: %08x\n", | |
918 | I915_READ(SDEIER)); | |
919 | seq_printf(m, "South Display Interrupt identity: %08x\n", | |
920 | I915_READ(SDEIIR)); | |
921 | seq_printf(m, "South Display Interrupt mask: %08x\n", | |
922 | I915_READ(SDEIMR)); | |
923 | seq_printf(m, "Graphics Interrupt enable: %08x\n", | |
924 | I915_READ(GTIER)); | |
925 | seq_printf(m, "Graphics Interrupt identity: %08x\n", | |
926 | I915_READ(GTIIR)); | |
927 | seq_printf(m, "Graphics Interrupt mask: %08x\n", | |
928 | I915_READ(GTIMR)); | |
929 | } | |
a2c7f6fd | 930 | for_each_ring(ring, dev_priv, i) { |
a123f157 | 931 | if (INTEL_INFO(dev)->gen >= 6) { |
a2c7f6fd CW |
932 | seq_printf(m, |
933 | "Graphics Interrupt mask (%s): %08x\n", | |
934 | ring->name, I915_READ_IMR(ring)); | |
9862e600 | 935 | } |
a2c7f6fd | 936 | i915_ring_seqno_info(m, ring); |
9862e600 | 937 | } |
c8c8fb33 | 938 | intel_runtime_pm_put(dev_priv); |
de227ef0 CW |
939 | mutex_unlock(&dev->struct_mutex); |
940 | ||
2017263e BG |
941 | return 0; |
942 | } | |
943 | ||
a6172a80 CW |
944 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) |
945 | { | |
9f25d007 | 946 | struct drm_info_node *node = m->private; |
a6172a80 | 947 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 948 | struct drm_i915_private *dev_priv = dev->dev_private; |
de227ef0 CW |
949 | int i, ret; |
950 | ||
951 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
952 | if (ret) | |
953 | return ret; | |
a6172a80 CW |
954 | |
955 | seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start); | |
956 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); | |
957 | for (i = 0; i < dev_priv->num_fence_regs; i++) { | |
05394f39 | 958 | struct drm_i915_gem_object *obj = dev_priv->fence_regs[i].obj; |
a6172a80 | 959 | |
6c085a72 CW |
960 | seq_printf(m, "Fence %d, pin count = %d, object = ", |
961 | i, dev_priv->fence_regs[i].pin_count); | |
c2c347a9 | 962 | if (obj == NULL) |
267f0c90 | 963 | seq_puts(m, "unused"); |
c2c347a9 | 964 | else |
05394f39 | 965 | describe_obj(m, obj); |
267f0c90 | 966 | seq_putc(m, '\n'); |
a6172a80 CW |
967 | } |
968 | ||
05394f39 | 969 | mutex_unlock(&dev->struct_mutex); |
a6172a80 CW |
970 | return 0; |
971 | } | |
972 | ||
2017263e BG |
973 | static int i915_hws_info(struct seq_file *m, void *data) |
974 | { | |
9f25d007 | 975 | struct drm_info_node *node = m->private; |
2017263e | 976 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 977 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 978 | struct intel_engine_cs *ring; |
1a240d4d | 979 | const u32 *hws; |
4066c0ae CW |
980 | int i; |
981 | ||
1ec14ad3 | 982 | ring = &dev_priv->ring[(uintptr_t)node->info_ent->data]; |
1a240d4d | 983 | hws = ring->status_page.page_addr; |
2017263e BG |
984 | if (hws == NULL) |
985 | return 0; | |
986 | ||
987 | for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { | |
988 | seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
989 | i * 4, | |
990 | hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); | |
991 | } | |
992 | return 0; | |
993 | } | |
994 | ||
d5442303 DV |
995 | static ssize_t |
996 | i915_error_state_write(struct file *filp, | |
997 | const char __user *ubuf, | |
998 | size_t cnt, | |
999 | loff_t *ppos) | |
1000 | { | |
edc3d884 | 1001 | struct i915_error_state_file_priv *error_priv = filp->private_data; |
d5442303 | 1002 | struct drm_device *dev = error_priv->dev; |
22bcfc6a | 1003 | int ret; |
d5442303 DV |
1004 | |
1005 | DRM_DEBUG_DRIVER("Resetting error state\n"); | |
1006 | ||
22bcfc6a DV |
1007 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1008 | if (ret) | |
1009 | return ret; | |
1010 | ||
d5442303 DV |
1011 | i915_destroy_error_state(dev); |
1012 | mutex_unlock(&dev->struct_mutex); | |
1013 | ||
1014 | return cnt; | |
1015 | } | |
1016 | ||
1017 | static int i915_error_state_open(struct inode *inode, struct file *file) | |
1018 | { | |
1019 | struct drm_device *dev = inode->i_private; | |
d5442303 | 1020 | struct i915_error_state_file_priv *error_priv; |
d5442303 DV |
1021 | |
1022 | error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL); | |
1023 | if (!error_priv) | |
1024 | return -ENOMEM; | |
1025 | ||
1026 | error_priv->dev = dev; | |
1027 | ||
95d5bfb3 | 1028 | i915_error_state_get(dev, error_priv); |
d5442303 | 1029 | |
edc3d884 MK |
1030 | file->private_data = error_priv; |
1031 | ||
1032 | return 0; | |
d5442303 DV |
1033 | } |
1034 | ||
1035 | static int i915_error_state_release(struct inode *inode, struct file *file) | |
1036 | { | |
edc3d884 | 1037 | struct i915_error_state_file_priv *error_priv = file->private_data; |
d5442303 | 1038 | |
95d5bfb3 | 1039 | i915_error_state_put(error_priv); |
d5442303 DV |
1040 | kfree(error_priv); |
1041 | ||
edc3d884 MK |
1042 | return 0; |
1043 | } | |
1044 | ||
4dc955f7 MK |
1045 | static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, |
1046 | size_t count, loff_t *pos) | |
1047 | { | |
1048 | struct i915_error_state_file_priv *error_priv = file->private_data; | |
1049 | struct drm_i915_error_state_buf error_str; | |
1050 | loff_t tmp_pos = 0; | |
1051 | ssize_t ret_count = 0; | |
1052 | int ret; | |
1053 | ||
0a4cd7c8 | 1054 | ret = i915_error_state_buf_init(&error_str, to_i915(error_priv->dev), count, *pos); |
4dc955f7 MK |
1055 | if (ret) |
1056 | return ret; | |
edc3d884 | 1057 | |
fc16b48b | 1058 | ret = i915_error_state_to_str(&error_str, error_priv); |
edc3d884 MK |
1059 | if (ret) |
1060 | goto out; | |
1061 | ||
edc3d884 MK |
1062 | ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos, |
1063 | error_str.buf, | |
1064 | error_str.bytes); | |
1065 | ||
1066 | if (ret_count < 0) | |
1067 | ret = ret_count; | |
1068 | else | |
1069 | *pos = error_str.start + ret_count; | |
1070 | out: | |
4dc955f7 | 1071 | i915_error_state_buf_release(&error_str); |
edc3d884 | 1072 | return ret ?: ret_count; |
d5442303 DV |
1073 | } |
1074 | ||
1075 | static const struct file_operations i915_error_state_fops = { | |
1076 | .owner = THIS_MODULE, | |
1077 | .open = i915_error_state_open, | |
edc3d884 | 1078 | .read = i915_error_state_read, |
d5442303 DV |
1079 | .write = i915_error_state_write, |
1080 | .llseek = default_llseek, | |
1081 | .release = i915_error_state_release, | |
1082 | }; | |
1083 | ||
647416f9 KC |
1084 | static int |
1085 | i915_next_seqno_get(void *data, u64 *val) | |
40633219 | 1086 | { |
647416f9 | 1087 | struct drm_device *dev = data; |
e277a1f8 | 1088 | struct drm_i915_private *dev_priv = dev->dev_private; |
40633219 MK |
1089 | int ret; |
1090 | ||
1091 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1092 | if (ret) | |
1093 | return ret; | |
1094 | ||
647416f9 | 1095 | *val = dev_priv->next_seqno; |
40633219 MK |
1096 | mutex_unlock(&dev->struct_mutex); |
1097 | ||
647416f9 | 1098 | return 0; |
40633219 MK |
1099 | } |
1100 | ||
647416f9 KC |
1101 | static int |
1102 | i915_next_seqno_set(void *data, u64 val) | |
1103 | { | |
1104 | struct drm_device *dev = data; | |
40633219 MK |
1105 | int ret; |
1106 | ||
40633219 MK |
1107 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1108 | if (ret) | |
1109 | return ret; | |
1110 | ||
e94fbaa8 | 1111 | ret = i915_gem_set_seqno(dev, val); |
40633219 MK |
1112 | mutex_unlock(&dev->struct_mutex); |
1113 | ||
647416f9 | 1114 | return ret; |
40633219 MK |
1115 | } |
1116 | ||
647416f9 KC |
1117 | DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, |
1118 | i915_next_seqno_get, i915_next_seqno_set, | |
3a3b4f98 | 1119 | "0x%llx\n"); |
40633219 | 1120 | |
adb4bd12 | 1121 | static int i915_frequency_info(struct seq_file *m, void *unused) |
f97108d1 | 1122 | { |
9f25d007 | 1123 | struct drm_info_node *node = m->private; |
f97108d1 | 1124 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1125 | struct drm_i915_private *dev_priv = dev->dev_private; |
c8c8fb33 PZ |
1126 | int ret = 0; |
1127 | ||
1128 | intel_runtime_pm_get(dev_priv); | |
3b8d8d91 | 1129 | |
5c9669ce TR |
1130 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
1131 | ||
3b8d8d91 JB |
1132 | if (IS_GEN5(dev)) { |
1133 | u16 rgvswctl = I915_READ16(MEMSWCTL); | |
1134 | u16 rgvstat = I915_READ16(MEMSTAT_ILK); | |
1135 | ||
1136 | seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); | |
1137 | seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); | |
1138 | seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> | |
1139 | MEMSTAT_VID_SHIFT); | |
1140 | seq_printf(m, "Current P-state: %d\n", | |
1141 | (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); | |
daa3afb2 | 1142 | } else if (IS_GEN6(dev) || (IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) || |
60260a5b | 1143 | IS_BROADWELL(dev) || IS_GEN9(dev)) { |
35040562 BP |
1144 | u32 rp_state_limits; |
1145 | u32 gt_perf_status; | |
1146 | u32 rp_state_cap; | |
0d8f9491 | 1147 | u32 rpmodectl, rpinclimit, rpdeclimit; |
8e8c06cd | 1148 | u32 rpstat, cagf, reqf; |
ccab5c82 JB |
1149 | u32 rpupei, rpcurup, rpprevup; |
1150 | u32 rpdownei, rpcurdown, rpprevdown; | |
9dd3c605 | 1151 | u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask; |
3b8d8d91 JB |
1152 | int max_freq; |
1153 | ||
35040562 BP |
1154 | rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); |
1155 | if (IS_BROXTON(dev)) { | |
1156 | rp_state_cap = I915_READ(BXT_RP_STATE_CAP); | |
1157 | gt_perf_status = I915_READ(BXT_GT_PERF_STATUS); | |
1158 | } else { | |
1159 | rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); | |
1160 | gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); | |
1161 | } | |
1162 | ||
3b8d8d91 | 1163 | /* RPSTAT1 is in the GT power well */ |
d1ebd816 BW |
1164 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1165 | if (ret) | |
c8c8fb33 | 1166 | goto out; |
d1ebd816 | 1167 | |
59bad947 | 1168 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
3b8d8d91 | 1169 | |
8e8c06cd | 1170 | reqf = I915_READ(GEN6_RPNSWREQ); |
60260a5b AG |
1171 | if (IS_GEN9(dev)) |
1172 | reqf >>= 23; | |
1173 | else { | |
1174 | reqf &= ~GEN6_TURBO_DISABLE; | |
1175 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
1176 | reqf >>= 24; | |
1177 | else | |
1178 | reqf >>= 25; | |
1179 | } | |
7c59a9c1 | 1180 | reqf = intel_gpu_freq(dev_priv, reqf); |
8e8c06cd | 1181 | |
0d8f9491 CW |
1182 | rpmodectl = I915_READ(GEN6_RP_CONTROL); |
1183 | rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD); | |
1184 | rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD); | |
1185 | ||
ccab5c82 JB |
1186 | rpstat = I915_READ(GEN6_RPSTAT1); |
1187 | rpupei = I915_READ(GEN6_RP_CUR_UP_EI); | |
1188 | rpcurup = I915_READ(GEN6_RP_CUR_UP); | |
1189 | rpprevup = I915_READ(GEN6_RP_PREV_UP); | |
1190 | rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI); | |
1191 | rpcurdown = I915_READ(GEN6_RP_CUR_DOWN); | |
1192 | rpprevdown = I915_READ(GEN6_RP_PREV_DOWN); | |
60260a5b AG |
1193 | if (IS_GEN9(dev)) |
1194 | cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; | |
1195 | else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
f82855d3 BW |
1196 | cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; |
1197 | else | |
1198 | cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; | |
7c59a9c1 | 1199 | cagf = intel_gpu_freq(dev_priv, cagf); |
ccab5c82 | 1200 | |
59bad947 | 1201 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
d1ebd816 BW |
1202 | mutex_unlock(&dev->struct_mutex); |
1203 | ||
9dd3c605 PZ |
1204 | if (IS_GEN6(dev) || IS_GEN7(dev)) { |
1205 | pm_ier = I915_READ(GEN6_PMIER); | |
1206 | pm_imr = I915_READ(GEN6_PMIMR); | |
1207 | pm_isr = I915_READ(GEN6_PMISR); | |
1208 | pm_iir = I915_READ(GEN6_PMIIR); | |
1209 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1210 | } else { | |
1211 | pm_ier = I915_READ(GEN8_GT_IER(2)); | |
1212 | pm_imr = I915_READ(GEN8_GT_IMR(2)); | |
1213 | pm_isr = I915_READ(GEN8_GT_ISR(2)); | |
1214 | pm_iir = I915_READ(GEN8_GT_IIR(2)); | |
1215 | pm_mask = I915_READ(GEN6_PMINTRMSK); | |
1216 | } | |
0d8f9491 | 1217 | seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n", |
9dd3c605 | 1218 | pm_ier, pm_imr, pm_isr, pm_iir, pm_mask); |
3b8d8d91 | 1219 | seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); |
3b8d8d91 | 1220 | seq_printf(m, "Render p-state ratio: %d\n", |
60260a5b | 1221 | (gt_perf_status & (IS_GEN9(dev) ? 0x1ff00 : 0xff00)) >> 8); |
3b8d8d91 JB |
1222 | seq_printf(m, "Render p-state VID: %d\n", |
1223 | gt_perf_status & 0xff); | |
1224 | seq_printf(m, "Render p-state limit: %d\n", | |
1225 | rp_state_limits & 0xff); | |
0d8f9491 CW |
1226 | seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); |
1227 | seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl); | |
1228 | seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit); | |
1229 | seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit); | |
8e8c06cd | 1230 | seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); |
f82855d3 | 1231 | seq_printf(m, "CAGF: %dMHz\n", cagf); |
ccab5c82 JB |
1232 | seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & |
1233 | GEN6_CURICONT_MASK); | |
1234 | seq_printf(m, "RP CUR UP: %dus\n", rpcurup & | |
1235 | GEN6_CURBSYTAVG_MASK); | |
1236 | seq_printf(m, "RP PREV UP: %dus\n", rpprevup & | |
1237 | GEN6_CURBSYTAVG_MASK); | |
d86ed34a CW |
1238 | seq_printf(m, "Up threshold: %d%%\n", |
1239 | dev_priv->rps.up_threshold); | |
1240 | ||
ccab5c82 JB |
1241 | seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei & |
1242 | GEN6_CURIAVG_MASK); | |
1243 | seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown & | |
1244 | GEN6_CURBSYTAVG_MASK); | |
1245 | seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown & | |
1246 | GEN6_CURBSYTAVG_MASK); | |
d86ed34a CW |
1247 | seq_printf(m, "Down threshold: %d%%\n", |
1248 | dev_priv->rps.down_threshold); | |
3b8d8d91 | 1249 | |
35040562 BP |
1250 | max_freq = (IS_BROXTON(dev) ? rp_state_cap >> 0 : |
1251 | rp_state_cap >> 16) & 0xff; | |
60260a5b | 1252 | max_freq *= (IS_SKYLAKE(dev) ? GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1253 | seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", |
7c59a9c1 | 1254 | intel_gpu_freq(dev_priv, max_freq)); |
3b8d8d91 JB |
1255 | |
1256 | max_freq = (rp_state_cap & 0xff00) >> 8; | |
60260a5b | 1257 | max_freq *= (IS_SKYLAKE(dev) ? GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1258 | seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", |
7c59a9c1 | 1259 | intel_gpu_freq(dev_priv, max_freq)); |
3b8d8d91 | 1260 | |
35040562 BP |
1261 | max_freq = (IS_BROXTON(dev) ? rp_state_cap >> 16 : |
1262 | rp_state_cap >> 0) & 0xff; | |
60260a5b | 1263 | max_freq *= (IS_SKYLAKE(dev) ? GEN9_FREQ_SCALER : 1); |
3b8d8d91 | 1264 | seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", |
7c59a9c1 | 1265 | intel_gpu_freq(dev_priv, max_freq)); |
31c77388 | 1266 | seq_printf(m, "Max overclocked frequency: %dMHz\n", |
7c59a9c1 | 1267 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); |
aed242ff | 1268 | |
d86ed34a CW |
1269 | seq_printf(m, "Current freq: %d MHz\n", |
1270 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1271 | seq_printf(m, "Actual freq: %d MHz\n", cagf); | |
aed242ff CW |
1272 | seq_printf(m, "Idle freq: %d MHz\n", |
1273 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
d86ed34a CW |
1274 | seq_printf(m, "Min freq: %d MHz\n", |
1275 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); | |
1276 | seq_printf(m, "Max freq: %d MHz\n", | |
1277 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
1278 | seq_printf(m, | |
1279 | "efficient (RPe) frequency: %d MHz\n", | |
1280 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
0a073b84 | 1281 | } else if (IS_VALLEYVIEW(dev)) { |
03af2045 | 1282 | u32 freq_sts; |
0a073b84 | 1283 | |
259bd5d4 | 1284 | mutex_lock(&dev_priv->rps.hw_lock); |
64936258 | 1285 | freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); |
0a073b84 JB |
1286 | seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts); |
1287 | seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq); | |
1288 | ||
d86ed34a CW |
1289 | seq_printf(m, "actual GPU freq: %d MHz\n", |
1290 | intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff)); | |
1291 | ||
1292 | seq_printf(m, "current GPU freq: %d MHz\n", | |
1293 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); | |
1294 | ||
0a073b84 | 1295 | seq_printf(m, "max GPU freq: %d MHz\n", |
7c59a9c1 | 1296 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); |
0a073b84 | 1297 | |
0a073b84 | 1298 | seq_printf(m, "min GPU freq: %d MHz\n", |
7c59a9c1 | 1299 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); |
03af2045 | 1300 | |
aed242ff CW |
1301 | seq_printf(m, "idle GPU freq: %d MHz\n", |
1302 | intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); | |
1303 | ||
7c59a9c1 VS |
1304 | seq_printf(m, |
1305 | "efficient (RPe) frequency: %d MHz\n", | |
1306 | intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); | |
259bd5d4 | 1307 | mutex_unlock(&dev_priv->rps.hw_lock); |
3b8d8d91 | 1308 | } else { |
267f0c90 | 1309 | seq_puts(m, "no P-state info available\n"); |
3b8d8d91 | 1310 | } |
f97108d1 | 1311 | |
c8c8fb33 PZ |
1312 | out: |
1313 | intel_runtime_pm_put(dev_priv); | |
1314 | return ret; | |
f97108d1 JB |
1315 | } |
1316 | ||
f654449a CW |
1317 | static int i915_hangcheck_info(struct seq_file *m, void *unused) |
1318 | { | |
1319 | struct drm_info_node *node = m->private; | |
ebbc7546 MK |
1320 | struct drm_device *dev = node->minor->dev; |
1321 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f654449a | 1322 | struct intel_engine_cs *ring; |
ebbc7546 MK |
1323 | u64 acthd[I915_NUM_RINGS]; |
1324 | u32 seqno[I915_NUM_RINGS]; | |
f654449a CW |
1325 | int i; |
1326 | ||
1327 | if (!i915.enable_hangcheck) { | |
1328 | seq_printf(m, "Hangcheck disabled\n"); | |
1329 | return 0; | |
1330 | } | |
1331 | ||
ebbc7546 MK |
1332 | intel_runtime_pm_get(dev_priv); |
1333 | ||
1334 | for_each_ring(ring, dev_priv, i) { | |
1335 | seqno[i] = ring->get_seqno(ring, false); | |
1336 | acthd[i] = intel_ring_get_active_head(ring); | |
1337 | } | |
1338 | ||
1339 | intel_runtime_pm_put(dev_priv); | |
1340 | ||
f654449a CW |
1341 | if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) { |
1342 | seq_printf(m, "Hangcheck active, fires in %dms\n", | |
1343 | jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires - | |
1344 | jiffies)); | |
1345 | } else | |
1346 | seq_printf(m, "Hangcheck inactive\n"); | |
1347 | ||
1348 | for_each_ring(ring, dev_priv, i) { | |
1349 | seq_printf(m, "%s:\n", ring->name); | |
1350 | seq_printf(m, "\tseqno = %x [current %x]\n", | |
ebbc7546 | 1351 | ring->hangcheck.seqno, seqno[i]); |
f654449a CW |
1352 | seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n", |
1353 | (long long)ring->hangcheck.acthd, | |
ebbc7546 | 1354 | (long long)acthd[i]); |
f654449a CW |
1355 | seq_printf(m, "\tmax ACTHD = 0x%08llx\n", |
1356 | (long long)ring->hangcheck.max_acthd); | |
ebbc7546 MK |
1357 | seq_printf(m, "\tscore = %d\n", ring->hangcheck.score); |
1358 | seq_printf(m, "\taction = %d\n", ring->hangcheck.action); | |
f654449a CW |
1359 | } |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
4d85529d | 1364 | static int ironlake_drpc_info(struct seq_file *m) |
f97108d1 | 1365 | { |
9f25d007 | 1366 | struct drm_info_node *node = m->private; |
f97108d1 | 1367 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1368 | struct drm_i915_private *dev_priv = dev->dev_private; |
616fdb5a BW |
1369 | u32 rgvmodectl, rstdbyctl; |
1370 | u16 crstandvid; | |
1371 | int ret; | |
1372 | ||
1373 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1374 | if (ret) | |
1375 | return ret; | |
c8c8fb33 | 1376 | intel_runtime_pm_get(dev_priv); |
616fdb5a BW |
1377 | |
1378 | rgvmodectl = I915_READ(MEMMODECTL); | |
1379 | rstdbyctl = I915_READ(RSTDBYCTL); | |
1380 | crstandvid = I915_READ16(CRSTANDVID); | |
1381 | ||
c8c8fb33 | 1382 | intel_runtime_pm_put(dev_priv); |
616fdb5a | 1383 | mutex_unlock(&dev->struct_mutex); |
f97108d1 | 1384 | |
742f491d | 1385 | seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN)); |
f97108d1 JB |
1386 | seq_printf(m, "Boost freq: %d\n", |
1387 | (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> | |
1388 | MEMMODE_BOOST_FREQ_SHIFT); | |
1389 | seq_printf(m, "HW control enabled: %s\n", | |
742f491d | 1390 | yesno(rgvmodectl & MEMMODE_HWIDLE_EN)); |
f97108d1 | 1391 | seq_printf(m, "SW control enabled: %s\n", |
742f491d | 1392 | yesno(rgvmodectl & MEMMODE_SWMODE_EN)); |
f97108d1 | 1393 | seq_printf(m, "Gated voltage change: %s\n", |
742f491d | 1394 | yesno(rgvmodectl & MEMMODE_RCLK_GATE)); |
f97108d1 JB |
1395 | seq_printf(m, "Starting frequency: P%d\n", |
1396 | (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); | |
7648fa99 | 1397 | seq_printf(m, "Max P-state: P%d\n", |
f97108d1 | 1398 | (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); |
7648fa99 JB |
1399 | seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); |
1400 | seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); | |
1401 | seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); | |
1402 | seq_printf(m, "Render standby enabled: %s\n", | |
742f491d | 1403 | yesno(!(rstdbyctl & RCX_SW_EXIT))); |
267f0c90 | 1404 | seq_puts(m, "Current RS state: "); |
88271da3 JB |
1405 | switch (rstdbyctl & RSX_STATUS_MASK) { |
1406 | case RSX_STATUS_ON: | |
267f0c90 | 1407 | seq_puts(m, "on\n"); |
88271da3 JB |
1408 | break; |
1409 | case RSX_STATUS_RC1: | |
267f0c90 | 1410 | seq_puts(m, "RC1\n"); |
88271da3 JB |
1411 | break; |
1412 | case RSX_STATUS_RC1E: | |
267f0c90 | 1413 | seq_puts(m, "RC1E\n"); |
88271da3 JB |
1414 | break; |
1415 | case RSX_STATUS_RS1: | |
267f0c90 | 1416 | seq_puts(m, "RS1\n"); |
88271da3 JB |
1417 | break; |
1418 | case RSX_STATUS_RS2: | |
267f0c90 | 1419 | seq_puts(m, "RS2 (RC6)\n"); |
88271da3 JB |
1420 | break; |
1421 | case RSX_STATUS_RS3: | |
267f0c90 | 1422 | seq_puts(m, "RC3 (RC6+)\n"); |
88271da3 JB |
1423 | break; |
1424 | default: | |
267f0c90 | 1425 | seq_puts(m, "unknown\n"); |
88271da3 JB |
1426 | break; |
1427 | } | |
f97108d1 JB |
1428 | |
1429 | return 0; | |
1430 | } | |
1431 | ||
f65367b5 | 1432 | static int i915_forcewake_domains(struct seq_file *m, void *data) |
669ab5aa | 1433 | { |
b2cff0db CW |
1434 | struct drm_info_node *node = m->private; |
1435 | struct drm_device *dev = node->minor->dev; | |
1436 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1437 | struct intel_uncore_forcewake_domain *fw_domain; | |
b2cff0db CW |
1438 | int i; |
1439 | ||
1440 | spin_lock_irq(&dev_priv->uncore.lock); | |
1441 | for_each_fw_domain(fw_domain, dev_priv, i) { | |
1442 | seq_printf(m, "%s.wake_count = %u\n", | |
05a2fb15 | 1443 | intel_uncore_forcewake_domain_to_str(i), |
b2cff0db CW |
1444 | fw_domain->wake_count); |
1445 | } | |
1446 | spin_unlock_irq(&dev_priv->uncore.lock); | |
669ab5aa | 1447 | |
b2cff0db CW |
1448 | return 0; |
1449 | } | |
1450 | ||
1451 | static int vlv_drpc_info(struct seq_file *m) | |
1452 | { | |
9f25d007 | 1453 | struct drm_info_node *node = m->private; |
669ab5aa D |
1454 | struct drm_device *dev = node->minor->dev; |
1455 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6b312cd3 | 1456 | u32 rpmodectl1, rcctl1, pw_status; |
669ab5aa | 1457 | |
d46c0517 ID |
1458 | intel_runtime_pm_get(dev_priv); |
1459 | ||
6b312cd3 | 1460 | pw_status = I915_READ(VLV_GTLC_PW_STATUS); |
669ab5aa D |
1461 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); |
1462 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1463 | ||
d46c0517 ID |
1464 | intel_runtime_pm_put(dev_priv); |
1465 | ||
669ab5aa D |
1466 | seq_printf(m, "Video Turbo Mode: %s\n", |
1467 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1468 | seq_printf(m, "Turbo enabled: %s\n", | |
1469 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1470 | seq_printf(m, "HW control enabled: %s\n", | |
1471 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1472 | seq_printf(m, "SW control enabled: %s\n", | |
1473 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1474 | GEN6_RP_MEDIA_SW_MODE)); | |
1475 | seq_printf(m, "RC6 Enabled: %s\n", | |
1476 | yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE | | |
1477 | GEN6_RC_CTL_EI_MODE(1)))); | |
1478 | seq_printf(m, "Render Power Well: %s\n", | |
6b312cd3 | 1479 | (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1480 | seq_printf(m, "Media Power Well: %s\n", |
6b312cd3 | 1481 | (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down"); |
669ab5aa | 1482 | |
9cc19be5 ID |
1483 | seq_printf(m, "Render RC6 residency since boot: %u\n", |
1484 | I915_READ(VLV_GT_RENDER_RC6)); | |
1485 | seq_printf(m, "Media RC6 residency since boot: %u\n", | |
1486 | I915_READ(VLV_GT_MEDIA_RC6)); | |
1487 | ||
f65367b5 | 1488 | return i915_forcewake_domains(m, NULL); |
669ab5aa D |
1489 | } |
1490 | ||
4d85529d BW |
1491 | static int gen6_drpc_info(struct seq_file *m) |
1492 | { | |
9f25d007 | 1493 | struct drm_info_node *node = m->private; |
4d85529d BW |
1494 | struct drm_device *dev = node->minor->dev; |
1495 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ecd8faea | 1496 | u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; |
93b525dc | 1497 | unsigned forcewake_count; |
aee56cff | 1498 | int count = 0, ret; |
4d85529d BW |
1499 | |
1500 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
1501 | if (ret) | |
1502 | return ret; | |
c8c8fb33 | 1503 | intel_runtime_pm_get(dev_priv); |
4d85529d | 1504 | |
907b28c5 | 1505 | spin_lock_irq(&dev_priv->uncore.lock); |
b2cff0db | 1506 | forcewake_count = dev_priv->uncore.fw_domain[FW_DOMAIN_ID_RENDER].wake_count; |
907b28c5 | 1507 | spin_unlock_irq(&dev_priv->uncore.lock); |
93b525dc DV |
1508 | |
1509 | if (forcewake_count) { | |
267f0c90 DL |
1510 | seq_puts(m, "RC information inaccurate because somebody " |
1511 | "holds a forcewake reference \n"); | |
4d85529d BW |
1512 | } else { |
1513 | /* NB: we cannot use forcewake, else we read the wrong values */ | |
1514 | while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) | |
1515 | udelay(10); | |
1516 | seq_printf(m, "RC information accurate: %s\n", yesno(count < 51)); | |
1517 | } | |
1518 | ||
1519 | gt_core_status = readl(dev_priv->regs + GEN6_GT_CORE_STATUS); | |
ed71f1b4 | 1520 | trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true); |
4d85529d BW |
1521 | |
1522 | rpmodectl1 = I915_READ(GEN6_RP_CONTROL); | |
1523 | rcctl1 = I915_READ(GEN6_RC_CONTROL); | |
1524 | mutex_unlock(&dev->struct_mutex); | |
44cbd338 BW |
1525 | mutex_lock(&dev_priv->rps.hw_lock); |
1526 | sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); | |
1527 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4d85529d | 1528 | |
c8c8fb33 PZ |
1529 | intel_runtime_pm_put(dev_priv); |
1530 | ||
4d85529d BW |
1531 | seq_printf(m, "Video Turbo Mode: %s\n", |
1532 | yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); | |
1533 | seq_printf(m, "HW control enabled: %s\n", | |
1534 | yesno(rpmodectl1 & GEN6_RP_ENABLE)); | |
1535 | seq_printf(m, "SW control enabled: %s\n", | |
1536 | yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == | |
1537 | GEN6_RP_MEDIA_SW_MODE)); | |
fff24e21 | 1538 | seq_printf(m, "RC1e Enabled: %s\n", |
4d85529d BW |
1539 | yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); |
1540 | seq_printf(m, "RC6 Enabled: %s\n", | |
1541 | yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); | |
1542 | seq_printf(m, "Deep RC6 Enabled: %s\n", | |
1543 | yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); | |
1544 | seq_printf(m, "Deepest RC6 Enabled: %s\n", | |
1545 | yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); | |
267f0c90 | 1546 | seq_puts(m, "Current RC state: "); |
4d85529d BW |
1547 | switch (gt_core_status & GEN6_RCn_MASK) { |
1548 | case GEN6_RC0: | |
1549 | if (gt_core_status & GEN6_CORE_CPD_STATE_MASK) | |
267f0c90 | 1550 | seq_puts(m, "Core Power Down\n"); |
4d85529d | 1551 | else |
267f0c90 | 1552 | seq_puts(m, "on\n"); |
4d85529d BW |
1553 | break; |
1554 | case GEN6_RC3: | |
267f0c90 | 1555 | seq_puts(m, "RC3\n"); |
4d85529d BW |
1556 | break; |
1557 | case GEN6_RC6: | |
267f0c90 | 1558 | seq_puts(m, "RC6\n"); |
4d85529d BW |
1559 | break; |
1560 | case GEN6_RC7: | |
267f0c90 | 1561 | seq_puts(m, "RC7\n"); |
4d85529d BW |
1562 | break; |
1563 | default: | |
267f0c90 | 1564 | seq_puts(m, "Unknown\n"); |
4d85529d BW |
1565 | break; |
1566 | } | |
1567 | ||
1568 | seq_printf(m, "Core Power Down: %s\n", | |
1569 | yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK)); | |
cce66a28 BW |
1570 | |
1571 | /* Not exactly sure what this is */ | |
1572 | seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n", | |
1573 | I915_READ(GEN6_GT_GFX_RC6_LOCKED)); | |
1574 | seq_printf(m, "RC6 residency since boot: %u\n", | |
1575 | I915_READ(GEN6_GT_GFX_RC6)); | |
1576 | seq_printf(m, "RC6+ residency since boot: %u\n", | |
1577 | I915_READ(GEN6_GT_GFX_RC6p)); | |
1578 | seq_printf(m, "RC6++ residency since boot: %u\n", | |
1579 | I915_READ(GEN6_GT_GFX_RC6pp)); | |
1580 | ||
ecd8faea BW |
1581 | seq_printf(m, "RC6 voltage: %dmV\n", |
1582 | GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff))); | |
1583 | seq_printf(m, "RC6+ voltage: %dmV\n", | |
1584 | GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff))); | |
1585 | seq_printf(m, "RC6++ voltage: %dmV\n", | |
1586 | GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff))); | |
4d85529d BW |
1587 | return 0; |
1588 | } | |
1589 | ||
1590 | static int i915_drpc_info(struct seq_file *m, void *unused) | |
1591 | { | |
9f25d007 | 1592 | struct drm_info_node *node = m->private; |
4d85529d BW |
1593 | struct drm_device *dev = node->minor->dev; |
1594 | ||
669ab5aa D |
1595 | if (IS_VALLEYVIEW(dev)) |
1596 | return vlv_drpc_info(m); | |
ac66cf4b | 1597 | else if (INTEL_INFO(dev)->gen >= 6) |
4d85529d BW |
1598 | return gen6_drpc_info(m); |
1599 | else | |
1600 | return ironlake_drpc_info(m); | |
1601 | } | |
1602 | ||
9a851789 DV |
1603 | static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) |
1604 | { | |
1605 | struct drm_info_node *node = m->private; | |
1606 | struct drm_device *dev = node->minor->dev; | |
1607 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1608 | ||
1609 | seq_printf(m, "FB tracking busy bits: 0x%08x\n", | |
1610 | dev_priv->fb_tracking.busy_bits); | |
1611 | ||
1612 | seq_printf(m, "FB tracking flip bits: 0x%08x\n", | |
1613 | dev_priv->fb_tracking.flip_bits); | |
1614 | ||
1615 | return 0; | |
1616 | } | |
1617 | ||
b5e50c3f JB |
1618 | static int i915_fbc_status(struct seq_file *m, void *unused) |
1619 | { | |
9f25d007 | 1620 | struct drm_info_node *node = m->private; |
b5e50c3f | 1621 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1622 | struct drm_i915_private *dev_priv = dev->dev_private; |
b5e50c3f | 1623 | |
3a77c4c4 | 1624 | if (!HAS_FBC(dev)) { |
267f0c90 | 1625 | seq_puts(m, "FBC unsupported on this chipset\n"); |
b5e50c3f JB |
1626 | return 0; |
1627 | } | |
1628 | ||
36623ef8 | 1629 | intel_runtime_pm_get(dev_priv); |
25ad93fd | 1630 | mutex_lock(&dev_priv->fbc.lock); |
36623ef8 | 1631 | |
7733b49b | 1632 | if (intel_fbc_enabled(dev_priv)) |
267f0c90 | 1633 | seq_puts(m, "FBC enabled\n"); |
2e8144a5 PZ |
1634 | else |
1635 | seq_printf(m, "FBC disabled: %s\n", | |
1636 | intel_no_fbc_reason_str(dev_priv->fbc.no_fbc_reason)); | |
36623ef8 | 1637 | |
31b9df10 PZ |
1638 | if (INTEL_INFO(dev_priv)->gen >= 7) |
1639 | seq_printf(m, "Compressing: %s\n", | |
1640 | yesno(I915_READ(FBC_STATUS2) & | |
1641 | FBC_COMPRESSION_MASK)); | |
1642 | ||
25ad93fd | 1643 | mutex_unlock(&dev_priv->fbc.lock); |
36623ef8 PZ |
1644 | intel_runtime_pm_put(dev_priv); |
1645 | ||
b5e50c3f JB |
1646 | return 0; |
1647 | } | |
1648 | ||
da46f936 RV |
1649 | static int i915_fbc_fc_get(void *data, u64 *val) |
1650 | { | |
1651 | struct drm_device *dev = data; | |
1652 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1653 | ||
1654 | if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev)) | |
1655 | return -ENODEV; | |
1656 | ||
da46f936 | 1657 | *val = dev_priv->fbc.false_color; |
da46f936 RV |
1658 | |
1659 | return 0; | |
1660 | } | |
1661 | ||
1662 | static int i915_fbc_fc_set(void *data, u64 val) | |
1663 | { | |
1664 | struct drm_device *dev = data; | |
1665 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1666 | u32 reg; | |
1667 | ||
1668 | if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev)) | |
1669 | return -ENODEV; | |
1670 | ||
25ad93fd | 1671 | mutex_lock(&dev_priv->fbc.lock); |
da46f936 RV |
1672 | |
1673 | reg = I915_READ(ILK_DPFC_CONTROL); | |
1674 | dev_priv->fbc.false_color = val; | |
1675 | ||
1676 | I915_WRITE(ILK_DPFC_CONTROL, val ? | |
1677 | (reg | FBC_CTL_FALSE_COLOR) : | |
1678 | (reg & ~FBC_CTL_FALSE_COLOR)); | |
1679 | ||
25ad93fd | 1680 | mutex_unlock(&dev_priv->fbc.lock); |
da46f936 RV |
1681 | return 0; |
1682 | } | |
1683 | ||
1684 | DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops, | |
1685 | i915_fbc_fc_get, i915_fbc_fc_set, | |
1686 | "%llu\n"); | |
1687 | ||
92d44621 PZ |
1688 | static int i915_ips_status(struct seq_file *m, void *unused) |
1689 | { | |
9f25d007 | 1690 | struct drm_info_node *node = m->private; |
92d44621 PZ |
1691 | struct drm_device *dev = node->minor->dev; |
1692 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1693 | ||
f5adf94e | 1694 | if (!HAS_IPS(dev)) { |
92d44621 PZ |
1695 | seq_puts(m, "not supported\n"); |
1696 | return 0; | |
1697 | } | |
1698 | ||
36623ef8 PZ |
1699 | intel_runtime_pm_get(dev_priv); |
1700 | ||
0eaa53f0 RV |
1701 | seq_printf(m, "Enabled by kernel parameter: %s\n", |
1702 | yesno(i915.enable_ips)); | |
1703 | ||
1704 | if (INTEL_INFO(dev)->gen >= 8) { | |
1705 | seq_puts(m, "Currently: unknown\n"); | |
1706 | } else { | |
1707 | if (I915_READ(IPS_CTL) & IPS_ENABLE) | |
1708 | seq_puts(m, "Currently: enabled\n"); | |
1709 | else | |
1710 | seq_puts(m, "Currently: disabled\n"); | |
1711 | } | |
92d44621 | 1712 | |
36623ef8 PZ |
1713 | intel_runtime_pm_put(dev_priv); |
1714 | ||
92d44621 PZ |
1715 | return 0; |
1716 | } | |
1717 | ||
4a9bef37 JB |
1718 | static int i915_sr_status(struct seq_file *m, void *unused) |
1719 | { | |
9f25d007 | 1720 | struct drm_info_node *node = m->private; |
4a9bef37 | 1721 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1722 | struct drm_i915_private *dev_priv = dev->dev_private; |
4a9bef37 JB |
1723 | bool sr_enabled = false; |
1724 | ||
36623ef8 PZ |
1725 | intel_runtime_pm_get(dev_priv); |
1726 | ||
1398261a | 1727 | if (HAS_PCH_SPLIT(dev)) |
5ba2aaaa | 1728 | sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; |
77b64555 ACO |
1729 | else if (IS_CRESTLINE(dev) || IS_G4X(dev) || |
1730 | IS_I945G(dev) || IS_I945GM(dev)) | |
4a9bef37 JB |
1731 | sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; |
1732 | else if (IS_I915GM(dev)) | |
1733 | sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; | |
1734 | else if (IS_PINEVIEW(dev)) | |
1735 | sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; | |
77b64555 ACO |
1736 | else if (IS_VALLEYVIEW(dev)) |
1737 | sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN; | |
4a9bef37 | 1738 | |
36623ef8 PZ |
1739 | intel_runtime_pm_put(dev_priv); |
1740 | ||
5ba2aaaa CW |
1741 | seq_printf(m, "self-refresh: %s\n", |
1742 | sr_enabled ? "enabled" : "disabled"); | |
4a9bef37 JB |
1743 | |
1744 | return 0; | |
1745 | } | |
1746 | ||
7648fa99 JB |
1747 | static int i915_emon_status(struct seq_file *m, void *unused) |
1748 | { | |
9f25d007 | 1749 | struct drm_info_node *node = m->private; |
7648fa99 | 1750 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1751 | struct drm_i915_private *dev_priv = dev->dev_private; |
7648fa99 | 1752 | unsigned long temp, chipset, gfx; |
de227ef0 CW |
1753 | int ret; |
1754 | ||
582be6b4 CW |
1755 | if (!IS_GEN5(dev)) |
1756 | return -ENODEV; | |
1757 | ||
de227ef0 CW |
1758 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1759 | if (ret) | |
1760 | return ret; | |
7648fa99 JB |
1761 | |
1762 | temp = i915_mch_val(dev_priv); | |
1763 | chipset = i915_chipset_val(dev_priv); | |
1764 | gfx = i915_gfx_val(dev_priv); | |
de227ef0 | 1765 | mutex_unlock(&dev->struct_mutex); |
7648fa99 JB |
1766 | |
1767 | seq_printf(m, "GMCH temp: %ld\n", temp); | |
1768 | seq_printf(m, "Chipset power: %ld\n", chipset); | |
1769 | seq_printf(m, "GFX power: %ld\n", gfx); | |
1770 | seq_printf(m, "Total power: %ld\n", chipset + gfx); | |
1771 | ||
1772 | return 0; | |
1773 | } | |
1774 | ||
23b2f8bb JB |
1775 | static int i915_ring_freq_table(struct seq_file *m, void *unused) |
1776 | { | |
9f25d007 | 1777 | struct drm_info_node *node = m->private; |
23b2f8bb | 1778 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1779 | struct drm_i915_private *dev_priv = dev->dev_private; |
5bfa0199 | 1780 | int ret = 0; |
23b2f8bb | 1781 | int gpu_freq, ia_freq; |
f936ec34 | 1782 | unsigned int max_gpu_freq, min_gpu_freq; |
23b2f8bb | 1783 | |
97d3308a | 1784 | if (!HAS_CORE_RING_FREQ(dev)) { |
267f0c90 | 1785 | seq_puts(m, "unsupported on this chipset\n"); |
23b2f8bb JB |
1786 | return 0; |
1787 | } | |
1788 | ||
5bfa0199 PZ |
1789 | intel_runtime_pm_get(dev_priv); |
1790 | ||
5c9669ce TR |
1791 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
1792 | ||
4fc688ce | 1793 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
23b2f8bb | 1794 | if (ret) |
5bfa0199 | 1795 | goto out; |
23b2f8bb | 1796 | |
f936ec34 AG |
1797 | if (IS_SKYLAKE(dev)) { |
1798 | /* Convert GT frequency to 50 HZ units */ | |
1799 | min_gpu_freq = | |
1800 | dev_priv->rps.min_freq_softlimit / GEN9_FREQ_SCALER; | |
1801 | max_gpu_freq = | |
1802 | dev_priv->rps.max_freq_softlimit / GEN9_FREQ_SCALER; | |
1803 | } else { | |
1804 | min_gpu_freq = dev_priv->rps.min_freq_softlimit; | |
1805 | max_gpu_freq = dev_priv->rps.max_freq_softlimit; | |
1806 | } | |
1807 | ||
267f0c90 | 1808 | seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n"); |
23b2f8bb | 1809 | |
f936ec34 | 1810 | for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) { |
42c0526c BW |
1811 | ia_freq = gpu_freq; |
1812 | sandybridge_pcode_read(dev_priv, | |
1813 | GEN6_PCODE_READ_MIN_FREQ_TABLE, | |
1814 | &ia_freq); | |
3ebecd07 | 1815 | seq_printf(m, "%d\t\t%d\t\t\t\t%d\n", |
f936ec34 AG |
1816 | intel_gpu_freq(dev_priv, (gpu_freq * |
1817 | (IS_SKYLAKE(dev) ? GEN9_FREQ_SCALER : 1))), | |
3ebecd07 CW |
1818 | ((ia_freq >> 0) & 0xff) * 100, |
1819 | ((ia_freq >> 8) & 0xff) * 100); | |
23b2f8bb JB |
1820 | } |
1821 | ||
4fc688ce | 1822 | mutex_unlock(&dev_priv->rps.hw_lock); |
23b2f8bb | 1823 | |
5bfa0199 PZ |
1824 | out: |
1825 | intel_runtime_pm_put(dev_priv); | |
1826 | return ret; | |
23b2f8bb JB |
1827 | } |
1828 | ||
44834a67 CW |
1829 | static int i915_opregion(struct seq_file *m, void *unused) |
1830 | { | |
9f25d007 | 1831 | struct drm_info_node *node = m->private; |
44834a67 | 1832 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1833 | struct drm_i915_private *dev_priv = dev->dev_private; |
44834a67 | 1834 | struct intel_opregion *opregion = &dev_priv->opregion; |
0d38f009 | 1835 | void *data = kmalloc(OPREGION_SIZE, GFP_KERNEL); |
44834a67 CW |
1836 | int ret; |
1837 | ||
0d38f009 DV |
1838 | if (data == NULL) |
1839 | return -ENOMEM; | |
1840 | ||
44834a67 CW |
1841 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
1842 | if (ret) | |
0d38f009 | 1843 | goto out; |
44834a67 | 1844 | |
0d38f009 DV |
1845 | if (opregion->header) { |
1846 | memcpy_fromio(data, opregion->header, OPREGION_SIZE); | |
1847 | seq_write(m, data, OPREGION_SIZE); | |
1848 | } | |
44834a67 CW |
1849 | |
1850 | mutex_unlock(&dev->struct_mutex); | |
1851 | ||
0d38f009 DV |
1852 | out: |
1853 | kfree(data); | |
44834a67 CW |
1854 | return 0; |
1855 | } | |
1856 | ||
37811fcc CW |
1857 | static int i915_gem_framebuffer_info(struct seq_file *m, void *data) |
1858 | { | |
9f25d007 | 1859 | struct drm_info_node *node = m->private; |
37811fcc | 1860 | struct drm_device *dev = node->minor->dev; |
4520f53a | 1861 | struct intel_fbdev *ifbdev = NULL; |
37811fcc | 1862 | struct intel_framebuffer *fb; |
3a58ee10 | 1863 | struct drm_framebuffer *drm_fb; |
37811fcc | 1864 | |
0695726e | 1865 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
4520f53a | 1866 | struct drm_i915_private *dev_priv = dev->dev_private; |
37811fcc CW |
1867 | |
1868 | ifbdev = dev_priv->fbdev; | |
1869 | fb = to_intel_framebuffer(ifbdev->helper.fb); | |
1870 | ||
c1ca506d | 1871 | seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", |
37811fcc CW |
1872 | fb->base.width, |
1873 | fb->base.height, | |
1874 | fb->base.depth, | |
623f9783 | 1875 | fb->base.bits_per_pixel, |
c1ca506d | 1876 | fb->base.modifier[0], |
623f9783 | 1877 | atomic_read(&fb->base.refcount.refcount)); |
05394f39 | 1878 | describe_obj(m, fb->obj); |
267f0c90 | 1879 | seq_putc(m, '\n'); |
4520f53a | 1880 | #endif |
37811fcc | 1881 | |
4b096ac1 | 1882 | mutex_lock(&dev->mode_config.fb_lock); |
3a58ee10 DV |
1883 | drm_for_each_fb(drm_fb, dev) { |
1884 | fb = to_intel_framebuffer(drm_fb); | |
131a56dc | 1885 | if (ifbdev && &fb->base == ifbdev->helper.fb) |
37811fcc CW |
1886 | continue; |
1887 | ||
c1ca506d | 1888 | seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", |
37811fcc CW |
1889 | fb->base.width, |
1890 | fb->base.height, | |
1891 | fb->base.depth, | |
623f9783 | 1892 | fb->base.bits_per_pixel, |
c1ca506d | 1893 | fb->base.modifier[0], |
623f9783 | 1894 | atomic_read(&fb->base.refcount.refcount)); |
05394f39 | 1895 | describe_obj(m, fb->obj); |
267f0c90 | 1896 | seq_putc(m, '\n'); |
37811fcc | 1897 | } |
4b096ac1 | 1898 | mutex_unlock(&dev->mode_config.fb_lock); |
37811fcc CW |
1899 | |
1900 | return 0; | |
1901 | } | |
1902 | ||
c9fe99bd OM |
1903 | static void describe_ctx_ringbuf(struct seq_file *m, |
1904 | struct intel_ringbuffer *ringbuf) | |
1905 | { | |
1906 | seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)", | |
1907 | ringbuf->space, ringbuf->head, ringbuf->tail, | |
1908 | ringbuf->last_retired_head); | |
1909 | } | |
1910 | ||
e76d3630 BW |
1911 | static int i915_context_status(struct seq_file *m, void *unused) |
1912 | { | |
9f25d007 | 1913 | struct drm_info_node *node = m->private; |
e76d3630 | 1914 | struct drm_device *dev = node->minor->dev; |
e277a1f8 | 1915 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 1916 | struct intel_engine_cs *ring; |
273497e5 | 1917 | struct intel_context *ctx; |
a168c293 | 1918 | int ret, i; |
e76d3630 | 1919 | |
f3d28878 | 1920 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
e76d3630 BW |
1921 | if (ret) |
1922 | return ret; | |
1923 | ||
a33afea5 | 1924 | list_for_each_entry(ctx, &dev_priv->context_list, link) { |
c9fe99bd OM |
1925 | if (!i915.enable_execlists && |
1926 | ctx->legacy_hw_ctx.rcs_state == NULL) | |
b77f6997 CW |
1927 | continue; |
1928 | ||
a33afea5 | 1929 | seq_puts(m, "HW context "); |
3ccfd19d | 1930 | describe_ctx(m, ctx); |
c9fe99bd | 1931 | for_each_ring(ring, dev_priv, i) { |
a33afea5 | 1932 | if (ring->default_context == ctx) |
c9fe99bd OM |
1933 | seq_printf(m, "(default context %s) ", |
1934 | ring->name); | |
1935 | } | |
1936 | ||
1937 | if (i915.enable_execlists) { | |
1938 | seq_putc(m, '\n'); | |
1939 | for_each_ring(ring, dev_priv, i) { | |
1940 | struct drm_i915_gem_object *ctx_obj = | |
1941 | ctx->engine[i].state; | |
1942 | struct intel_ringbuffer *ringbuf = | |
1943 | ctx->engine[i].ringbuf; | |
1944 | ||
1945 | seq_printf(m, "%s: ", ring->name); | |
1946 | if (ctx_obj) | |
1947 | describe_obj(m, ctx_obj); | |
1948 | if (ringbuf) | |
1949 | describe_ctx_ringbuf(m, ringbuf); | |
1950 | seq_putc(m, '\n'); | |
1951 | } | |
1952 | } else { | |
1953 | describe_obj(m, ctx->legacy_hw_ctx.rcs_state); | |
1954 | } | |
a33afea5 | 1955 | |
a33afea5 | 1956 | seq_putc(m, '\n'); |
a168c293 BW |
1957 | } |
1958 | ||
f3d28878 | 1959 | mutex_unlock(&dev->struct_mutex); |
e76d3630 BW |
1960 | |
1961 | return 0; | |
1962 | } | |
1963 | ||
064ca1d2 TD |
1964 | static void i915_dump_lrc_obj(struct seq_file *m, |
1965 | struct intel_engine_cs *ring, | |
1966 | struct drm_i915_gem_object *ctx_obj) | |
1967 | { | |
1968 | struct page *page; | |
1969 | uint32_t *reg_state; | |
1970 | int j; | |
1971 | unsigned long ggtt_offset = 0; | |
1972 | ||
1973 | if (ctx_obj == NULL) { | |
1974 | seq_printf(m, "Context on %s with no gem object\n", | |
1975 | ring->name); | |
1976 | return; | |
1977 | } | |
1978 | ||
1979 | seq_printf(m, "CONTEXT: %s %u\n", ring->name, | |
1980 | intel_execlists_ctx_id(ctx_obj)); | |
1981 | ||
1982 | if (!i915_gem_obj_ggtt_bound(ctx_obj)) | |
1983 | seq_puts(m, "\tNot bound in GGTT\n"); | |
1984 | else | |
1985 | ggtt_offset = i915_gem_obj_ggtt_offset(ctx_obj); | |
1986 | ||
1987 | if (i915_gem_object_get_pages(ctx_obj)) { | |
1988 | seq_puts(m, "\tFailed to get pages for context object\n"); | |
1989 | return; | |
1990 | } | |
1991 | ||
d1675198 | 1992 | page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN); |
064ca1d2 TD |
1993 | if (!WARN_ON(page == NULL)) { |
1994 | reg_state = kmap_atomic(page); | |
1995 | ||
1996 | for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) { | |
1997 | seq_printf(m, "\t[0x%08lx] 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
1998 | ggtt_offset + 4096 + (j * 4), | |
1999 | reg_state[j], reg_state[j + 1], | |
2000 | reg_state[j + 2], reg_state[j + 3]); | |
2001 | } | |
2002 | kunmap_atomic(reg_state); | |
2003 | } | |
2004 | ||
2005 | seq_putc(m, '\n'); | |
2006 | } | |
2007 | ||
c0ab1ae9 BW |
2008 | static int i915_dump_lrc(struct seq_file *m, void *unused) |
2009 | { | |
2010 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
2011 | struct drm_device *dev = node->minor->dev; | |
2012 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2013 | struct intel_engine_cs *ring; | |
2014 | struct intel_context *ctx; | |
2015 | int ret, i; | |
2016 | ||
2017 | if (!i915.enable_execlists) { | |
2018 | seq_printf(m, "Logical Ring Contexts are disabled\n"); | |
2019 | return 0; | |
2020 | } | |
2021 | ||
2022 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2023 | if (ret) | |
2024 | return ret; | |
2025 | ||
2026 | list_for_each_entry(ctx, &dev_priv->context_list, link) { | |
2027 | for_each_ring(ring, dev_priv, i) { | |
064ca1d2 TD |
2028 | if (ring->default_context != ctx) |
2029 | i915_dump_lrc_obj(m, ring, | |
2030 | ctx->engine[i].state); | |
c0ab1ae9 BW |
2031 | } |
2032 | } | |
2033 | ||
2034 | mutex_unlock(&dev->struct_mutex); | |
2035 | ||
2036 | return 0; | |
2037 | } | |
2038 | ||
4ba70e44 OM |
2039 | static int i915_execlists(struct seq_file *m, void *data) |
2040 | { | |
2041 | struct drm_info_node *node = (struct drm_info_node *)m->private; | |
2042 | struct drm_device *dev = node->minor->dev; | |
2043 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2044 | struct intel_engine_cs *ring; | |
2045 | u32 status_pointer; | |
2046 | u8 read_pointer; | |
2047 | u8 write_pointer; | |
2048 | u32 status; | |
2049 | u32 ctx_id; | |
2050 | struct list_head *cursor; | |
2051 | int ring_id, i; | |
2052 | int ret; | |
2053 | ||
2054 | if (!i915.enable_execlists) { | |
2055 | seq_puts(m, "Logical Ring Contexts are disabled\n"); | |
2056 | return 0; | |
2057 | } | |
2058 | ||
2059 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2060 | if (ret) | |
2061 | return ret; | |
2062 | ||
fc0412ec MT |
2063 | intel_runtime_pm_get(dev_priv); |
2064 | ||
4ba70e44 | 2065 | for_each_ring(ring, dev_priv, ring_id) { |
6d3d8274 | 2066 | struct drm_i915_gem_request *head_req = NULL; |
4ba70e44 OM |
2067 | int count = 0; |
2068 | unsigned long flags; | |
2069 | ||
2070 | seq_printf(m, "%s\n", ring->name); | |
2071 | ||
83843d84 VS |
2072 | status = I915_READ(RING_EXECLIST_STATUS_LO(ring)); |
2073 | ctx_id = I915_READ(RING_EXECLIST_STATUS_HI(ring)); | |
4ba70e44 OM |
2074 | seq_printf(m, "\tExeclist status: 0x%08X, context: %u\n", |
2075 | status, ctx_id); | |
2076 | ||
2077 | status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(ring)); | |
2078 | seq_printf(m, "\tStatus pointer: 0x%08X\n", status_pointer); | |
2079 | ||
2080 | read_pointer = ring->next_context_status_buffer; | |
2081 | write_pointer = status_pointer & 0x07; | |
2082 | if (read_pointer > write_pointer) | |
2083 | write_pointer += 6; | |
2084 | seq_printf(m, "\tRead pointer: 0x%08X, write pointer 0x%08X\n", | |
2085 | read_pointer, write_pointer); | |
2086 | ||
2087 | for (i = 0; i < 6; i++) { | |
83843d84 VS |
2088 | status = I915_READ(RING_CONTEXT_STATUS_BUF_LO(ring, i)); |
2089 | ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF_HI(ring, i)); | |
4ba70e44 OM |
2090 | |
2091 | seq_printf(m, "\tStatus buffer %d: 0x%08X, context: %u\n", | |
2092 | i, status, ctx_id); | |
2093 | } | |
2094 | ||
2095 | spin_lock_irqsave(&ring->execlist_lock, flags); | |
2096 | list_for_each(cursor, &ring->execlist_queue) | |
2097 | count++; | |
2098 | head_req = list_first_entry_or_null(&ring->execlist_queue, | |
6d3d8274 | 2099 | struct drm_i915_gem_request, execlist_link); |
4ba70e44 OM |
2100 | spin_unlock_irqrestore(&ring->execlist_lock, flags); |
2101 | ||
2102 | seq_printf(m, "\t%d requests in queue\n", count); | |
2103 | if (head_req) { | |
2104 | struct drm_i915_gem_object *ctx_obj; | |
2105 | ||
6d3d8274 | 2106 | ctx_obj = head_req->ctx->engine[ring_id].state; |
4ba70e44 OM |
2107 | seq_printf(m, "\tHead request id: %u\n", |
2108 | intel_execlists_ctx_id(ctx_obj)); | |
2109 | seq_printf(m, "\tHead request tail: %u\n", | |
6d3d8274 | 2110 | head_req->tail); |
4ba70e44 OM |
2111 | } |
2112 | ||
2113 | seq_putc(m, '\n'); | |
2114 | } | |
2115 | ||
fc0412ec | 2116 | intel_runtime_pm_put(dev_priv); |
4ba70e44 OM |
2117 | mutex_unlock(&dev->struct_mutex); |
2118 | ||
2119 | return 0; | |
2120 | } | |
2121 | ||
ea16a3cd DV |
2122 | static const char *swizzle_string(unsigned swizzle) |
2123 | { | |
aee56cff | 2124 | switch (swizzle) { |
ea16a3cd DV |
2125 | case I915_BIT_6_SWIZZLE_NONE: |
2126 | return "none"; | |
2127 | case I915_BIT_6_SWIZZLE_9: | |
2128 | return "bit9"; | |
2129 | case I915_BIT_6_SWIZZLE_9_10: | |
2130 | return "bit9/bit10"; | |
2131 | case I915_BIT_6_SWIZZLE_9_11: | |
2132 | return "bit9/bit11"; | |
2133 | case I915_BIT_6_SWIZZLE_9_10_11: | |
2134 | return "bit9/bit10/bit11"; | |
2135 | case I915_BIT_6_SWIZZLE_9_17: | |
2136 | return "bit9/bit17"; | |
2137 | case I915_BIT_6_SWIZZLE_9_10_17: | |
2138 | return "bit9/bit10/bit17"; | |
2139 | case I915_BIT_6_SWIZZLE_UNKNOWN: | |
8a168ca7 | 2140 | return "unknown"; |
ea16a3cd DV |
2141 | } |
2142 | ||
2143 | return "bug"; | |
2144 | } | |
2145 | ||
2146 | static int i915_swizzle_info(struct seq_file *m, void *data) | |
2147 | { | |
9f25d007 | 2148 | struct drm_info_node *node = m->private; |
ea16a3cd DV |
2149 | struct drm_device *dev = node->minor->dev; |
2150 | struct drm_i915_private *dev_priv = dev->dev_private; | |
22bcfc6a DV |
2151 | int ret; |
2152 | ||
2153 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2154 | if (ret) | |
2155 | return ret; | |
c8c8fb33 | 2156 | intel_runtime_pm_get(dev_priv); |
ea16a3cd | 2157 | |
ea16a3cd DV |
2158 | seq_printf(m, "bit6 swizzle for X-tiling = %s\n", |
2159 | swizzle_string(dev_priv->mm.bit_6_swizzle_x)); | |
2160 | seq_printf(m, "bit6 swizzle for Y-tiling = %s\n", | |
2161 | swizzle_string(dev_priv->mm.bit_6_swizzle_y)); | |
2162 | ||
2163 | if (IS_GEN3(dev) || IS_GEN4(dev)) { | |
2164 | seq_printf(m, "DDC = 0x%08x\n", | |
2165 | I915_READ(DCC)); | |
656bfa3a DV |
2166 | seq_printf(m, "DDC2 = 0x%08x\n", |
2167 | I915_READ(DCC2)); | |
ea16a3cd DV |
2168 | seq_printf(m, "C0DRB3 = 0x%04x\n", |
2169 | I915_READ16(C0DRB3)); | |
2170 | seq_printf(m, "C1DRB3 = 0x%04x\n", | |
2171 | I915_READ16(C1DRB3)); | |
9d3203e1 | 2172 | } else if (INTEL_INFO(dev)->gen >= 6) { |
3fa7d235 DV |
2173 | seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n", |
2174 | I915_READ(MAD_DIMM_C0)); | |
2175 | seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n", | |
2176 | I915_READ(MAD_DIMM_C1)); | |
2177 | seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n", | |
2178 | I915_READ(MAD_DIMM_C2)); | |
2179 | seq_printf(m, "TILECTL = 0x%08x\n", | |
2180 | I915_READ(TILECTL)); | |
5907f5fb | 2181 | if (INTEL_INFO(dev)->gen >= 8) |
9d3203e1 BW |
2182 | seq_printf(m, "GAMTARBMODE = 0x%08x\n", |
2183 | I915_READ(GAMTARBMODE)); | |
2184 | else | |
2185 | seq_printf(m, "ARB_MODE = 0x%08x\n", | |
2186 | I915_READ(ARB_MODE)); | |
3fa7d235 DV |
2187 | seq_printf(m, "DISP_ARB_CTL = 0x%08x\n", |
2188 | I915_READ(DISP_ARB_CTL)); | |
ea16a3cd | 2189 | } |
656bfa3a DV |
2190 | |
2191 | if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) | |
2192 | seq_puts(m, "L-shaped memory detected\n"); | |
2193 | ||
c8c8fb33 | 2194 | intel_runtime_pm_put(dev_priv); |
ea16a3cd DV |
2195 | mutex_unlock(&dev->struct_mutex); |
2196 | ||
2197 | return 0; | |
2198 | } | |
2199 | ||
1c60fef5 BW |
2200 | static int per_file_ctx(int id, void *ptr, void *data) |
2201 | { | |
273497e5 | 2202 | struct intel_context *ctx = ptr; |
1c60fef5 | 2203 | struct seq_file *m = data; |
ae6c4806 DV |
2204 | struct i915_hw_ppgtt *ppgtt = ctx->ppgtt; |
2205 | ||
2206 | if (!ppgtt) { | |
2207 | seq_printf(m, " no ppgtt for context %d\n", | |
2208 | ctx->user_handle); | |
2209 | return 0; | |
2210 | } | |
1c60fef5 | 2211 | |
f83d6518 OM |
2212 | if (i915_gem_context_is_default(ctx)) |
2213 | seq_puts(m, " default context:\n"); | |
2214 | else | |
821d66dd | 2215 | seq_printf(m, " context %d:\n", ctx->user_handle); |
1c60fef5 BW |
2216 | ppgtt->debug_dump(ppgtt, m); |
2217 | ||
2218 | return 0; | |
2219 | } | |
2220 | ||
77df6772 | 2221 | static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev) |
3cf17fc5 | 2222 | { |
3cf17fc5 | 2223 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 2224 | struct intel_engine_cs *ring; |
77df6772 BW |
2225 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; |
2226 | int unused, i; | |
3cf17fc5 | 2227 | |
77df6772 BW |
2228 | if (!ppgtt) |
2229 | return; | |
2230 | ||
77df6772 BW |
2231 | for_each_ring(ring, dev_priv, unused) { |
2232 | seq_printf(m, "%s\n", ring->name); | |
2233 | for (i = 0; i < 4; i++) { | |
2234 | u32 offset = 0x270 + i * 8; | |
2235 | u64 pdp = I915_READ(ring->mmio_base + offset + 4); | |
2236 | pdp <<= 32; | |
2237 | pdp |= I915_READ(ring->mmio_base + offset); | |
a2a5b15c | 2238 | seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp); |
77df6772 BW |
2239 | } |
2240 | } | |
2241 | } | |
2242 | ||
2243 | static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev) | |
2244 | { | |
2245 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a4872ba6 | 2246 | struct intel_engine_cs *ring; |
77df6772 | 2247 | int i; |
3cf17fc5 | 2248 | |
3cf17fc5 DV |
2249 | if (INTEL_INFO(dev)->gen == 6) |
2250 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE)); | |
2251 | ||
a2c7f6fd | 2252 | for_each_ring(ring, dev_priv, i) { |
3cf17fc5 DV |
2253 | seq_printf(m, "%s\n", ring->name); |
2254 | if (INTEL_INFO(dev)->gen == 7) | |
2255 | seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring))); | |
2256 | seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring))); | |
2257 | seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring))); | |
2258 | seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring))); | |
2259 | } | |
2260 | if (dev_priv->mm.aliasing_ppgtt) { | |
2261 | struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; | |
2262 | ||
267f0c90 | 2263 | seq_puts(m, "aliasing PPGTT:\n"); |
44159ddb | 2264 | seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset); |
1c60fef5 | 2265 | |
87d60b63 | 2266 | ppgtt->debug_dump(ppgtt, m); |
ae6c4806 | 2267 | } |
1c60fef5 | 2268 | |
3cf17fc5 | 2269 | seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); |
77df6772 BW |
2270 | } |
2271 | ||
2272 | static int i915_ppgtt_info(struct seq_file *m, void *data) | |
2273 | { | |
9f25d007 | 2274 | struct drm_info_node *node = m->private; |
77df6772 | 2275 | struct drm_device *dev = node->minor->dev; |
c8c8fb33 | 2276 | struct drm_i915_private *dev_priv = dev->dev_private; |
ea91e401 | 2277 | struct drm_file *file; |
77df6772 BW |
2278 | |
2279 | int ret = mutex_lock_interruptible(&dev->struct_mutex); | |
2280 | if (ret) | |
2281 | return ret; | |
c8c8fb33 | 2282 | intel_runtime_pm_get(dev_priv); |
77df6772 BW |
2283 | |
2284 | if (INTEL_INFO(dev)->gen >= 8) | |
2285 | gen8_ppgtt_info(m, dev); | |
2286 | else if (INTEL_INFO(dev)->gen >= 6) | |
2287 | gen6_ppgtt_info(m, dev); | |
2288 | ||
ea91e401 MT |
2289 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
2290 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
2291 | ||
2292 | seq_printf(m, "\nproc: %s\n", | |
2293 | get_pid_task(file->pid, PIDTYPE_PID)->comm); | |
2294 | idr_for_each(&file_priv->context_idr, per_file_ctx, | |
2295 | (void *)(unsigned long)m); | |
2296 | } | |
2297 | ||
c8c8fb33 | 2298 | intel_runtime_pm_put(dev_priv); |
3cf17fc5 DV |
2299 | mutex_unlock(&dev->struct_mutex); |
2300 | ||
2301 | return 0; | |
2302 | } | |
2303 | ||
f5a4c67d CW |
2304 | static int count_irq_waiters(struct drm_i915_private *i915) |
2305 | { | |
2306 | struct intel_engine_cs *ring; | |
2307 | int count = 0; | |
2308 | int i; | |
2309 | ||
2310 | for_each_ring(ring, i915, i) | |
2311 | count += ring->irq_refcount; | |
2312 | ||
2313 | return count; | |
2314 | } | |
2315 | ||
1854d5ca CW |
2316 | static int i915_rps_boost_info(struct seq_file *m, void *data) |
2317 | { | |
2318 | struct drm_info_node *node = m->private; | |
2319 | struct drm_device *dev = node->minor->dev; | |
2320 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2321 | struct drm_file *file; | |
1854d5ca | 2322 | |
f5a4c67d CW |
2323 | seq_printf(m, "RPS enabled? %d\n", dev_priv->rps.enabled); |
2324 | seq_printf(m, "GPU busy? %d\n", dev_priv->mm.busy); | |
2325 | seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv)); | |
2326 | seq_printf(m, "Frequency requested %d; min hard:%d, soft:%d; max soft:%d, hard:%d\n", | |
2327 | intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq), | |
2328 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq), | |
2329 | intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit), | |
2330 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit), | |
2331 | intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); | |
8d3afd7d | 2332 | spin_lock(&dev_priv->rps.client_lock); |
1854d5ca CW |
2333 | list_for_each_entry_reverse(file, &dev->filelist, lhead) { |
2334 | struct drm_i915_file_private *file_priv = file->driver_priv; | |
2335 | struct task_struct *task; | |
2336 | ||
2337 | rcu_read_lock(); | |
2338 | task = pid_task(file->pid, PIDTYPE_PID); | |
2339 | seq_printf(m, "%s [%d]: %d boosts%s\n", | |
2340 | task ? task->comm : "<unknown>", | |
2341 | task ? task->pid : -1, | |
2e1b8730 CW |
2342 | file_priv->rps.boosts, |
2343 | list_empty(&file_priv->rps.link) ? "" : ", active"); | |
1854d5ca CW |
2344 | rcu_read_unlock(); |
2345 | } | |
2e1b8730 CW |
2346 | seq_printf(m, "Semaphore boosts: %d%s\n", |
2347 | dev_priv->rps.semaphores.boosts, | |
2348 | list_empty(&dev_priv->rps.semaphores.link) ? "" : ", active"); | |
2349 | seq_printf(m, "MMIO flip boosts: %d%s\n", | |
2350 | dev_priv->rps.mmioflips.boosts, | |
2351 | list_empty(&dev_priv->rps.mmioflips.link) ? "" : ", active"); | |
1854d5ca | 2352 | seq_printf(m, "Kernel boosts: %d\n", dev_priv->rps.boosts); |
8d3afd7d | 2353 | spin_unlock(&dev_priv->rps.client_lock); |
1854d5ca | 2354 | |
8d3afd7d | 2355 | return 0; |
1854d5ca CW |
2356 | } |
2357 | ||
63573eb7 BW |
2358 | static int i915_llc(struct seq_file *m, void *data) |
2359 | { | |
9f25d007 | 2360 | struct drm_info_node *node = m->private; |
63573eb7 BW |
2361 | struct drm_device *dev = node->minor->dev; |
2362 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2363 | ||
2364 | /* Size calculation for LLC is a bit of a pain. Ignore for now. */ | |
2365 | seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev))); | |
2366 | seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size); | |
2367 | ||
2368 | return 0; | |
2369 | } | |
2370 | ||
fdf5d357 AD |
2371 | static int i915_guc_load_status_info(struct seq_file *m, void *data) |
2372 | { | |
2373 | struct drm_info_node *node = m->private; | |
2374 | struct drm_i915_private *dev_priv = node->minor->dev->dev_private; | |
2375 | struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw; | |
2376 | u32 tmp, i; | |
2377 | ||
2378 | if (!HAS_GUC_UCODE(dev_priv->dev)) | |
2379 | return 0; | |
2380 | ||
2381 | seq_printf(m, "GuC firmware status:\n"); | |
2382 | seq_printf(m, "\tpath: %s\n", | |
2383 | guc_fw->guc_fw_path); | |
2384 | seq_printf(m, "\tfetch: %s\n", | |
2385 | intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status)); | |
2386 | seq_printf(m, "\tload: %s\n", | |
2387 | intel_guc_fw_status_repr(guc_fw->guc_fw_load_status)); | |
2388 | seq_printf(m, "\tversion wanted: %d.%d\n", | |
2389 | guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted); | |
2390 | seq_printf(m, "\tversion found: %d.%d\n", | |
2391 | guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found); | |
2392 | ||
2393 | tmp = I915_READ(GUC_STATUS); | |
2394 | ||
2395 | seq_printf(m, "\nGuC status 0x%08x:\n", tmp); | |
2396 | seq_printf(m, "\tBootrom status = 0x%x\n", | |
2397 | (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT); | |
2398 | seq_printf(m, "\tuKernel status = 0x%x\n", | |
2399 | (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT); | |
2400 | seq_printf(m, "\tMIA Core status = 0x%x\n", | |
2401 | (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT); | |
2402 | seq_puts(m, "\nScratch registers:\n"); | |
2403 | for (i = 0; i < 16; i++) | |
2404 | seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i))); | |
2405 | ||
2406 | return 0; | |
2407 | } | |
2408 | ||
8b417c26 DG |
2409 | static void i915_guc_client_info(struct seq_file *m, |
2410 | struct drm_i915_private *dev_priv, | |
2411 | struct i915_guc_client *client) | |
2412 | { | |
2413 | struct intel_engine_cs *ring; | |
2414 | uint64_t tot = 0; | |
2415 | uint32_t i; | |
2416 | ||
2417 | seq_printf(m, "\tPriority %d, GuC ctx index: %u, PD offset 0x%x\n", | |
2418 | client->priority, client->ctx_index, client->proc_desc_offset); | |
2419 | seq_printf(m, "\tDoorbell id %d, offset: 0x%x, cookie 0x%x\n", | |
2420 | client->doorbell_id, client->doorbell_offset, client->cookie); | |
2421 | seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n", | |
2422 | client->wq_size, client->wq_offset, client->wq_tail); | |
2423 | ||
2424 | seq_printf(m, "\tFailed to queue: %u\n", client->q_fail); | |
2425 | seq_printf(m, "\tFailed doorbell: %u\n", client->b_fail); | |
2426 | seq_printf(m, "\tLast submission result: %d\n", client->retcode); | |
2427 | ||
2428 | for_each_ring(ring, dev_priv, i) { | |
2429 | seq_printf(m, "\tSubmissions: %llu %s\n", | |
2430 | client->submissions[i], | |
2431 | ring->name); | |
2432 | tot += client->submissions[i]; | |
2433 | } | |
2434 | seq_printf(m, "\tTotal: %llu\n", tot); | |
2435 | } | |
2436 | ||
2437 | static int i915_guc_info(struct seq_file *m, void *data) | |
2438 | { | |
2439 | struct drm_info_node *node = m->private; | |
2440 | struct drm_device *dev = node->minor->dev; | |
2441 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2442 | struct intel_guc guc; | |
0a0b457f | 2443 | struct i915_guc_client client = {}; |
8b417c26 DG |
2444 | struct intel_engine_cs *ring; |
2445 | enum intel_ring_id i; | |
2446 | u64 total = 0; | |
2447 | ||
2448 | if (!HAS_GUC_SCHED(dev_priv->dev)) | |
2449 | return 0; | |
2450 | ||
2451 | /* Take a local copy of the GuC data, so we can dump it at leisure */ | |
2452 | spin_lock(&dev_priv->guc.host2guc_lock); | |
2453 | guc = dev_priv->guc; | |
2454 | if (guc.execbuf_client) { | |
2455 | spin_lock(&guc.execbuf_client->wq_lock); | |
2456 | client = *guc.execbuf_client; | |
2457 | spin_unlock(&guc.execbuf_client->wq_lock); | |
2458 | } | |
2459 | spin_unlock(&dev_priv->guc.host2guc_lock); | |
2460 | ||
2461 | seq_printf(m, "GuC total action count: %llu\n", guc.action_count); | |
2462 | seq_printf(m, "GuC action failure count: %u\n", guc.action_fail); | |
2463 | seq_printf(m, "GuC last action command: 0x%x\n", guc.action_cmd); | |
2464 | seq_printf(m, "GuC last action status: 0x%x\n", guc.action_status); | |
2465 | seq_printf(m, "GuC last action error code: %d\n", guc.action_err); | |
2466 | ||
2467 | seq_printf(m, "\nGuC submissions:\n"); | |
2468 | for_each_ring(ring, dev_priv, i) { | |
2469 | seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x %9d\n", | |
2470 | ring->name, guc.submissions[i], | |
2471 | guc.last_seqno[i], guc.last_seqno[i]); | |
2472 | total += guc.submissions[i]; | |
2473 | } | |
2474 | seq_printf(m, "\t%s: %llu\n", "Total", total); | |
2475 | ||
2476 | seq_printf(m, "\nGuC execbuf client @ %p:\n", guc.execbuf_client); | |
2477 | i915_guc_client_info(m, dev_priv, &client); | |
2478 | ||
2479 | /* Add more as required ... */ | |
2480 | ||
2481 | return 0; | |
2482 | } | |
2483 | ||
4c7e77fc AD |
2484 | static int i915_guc_log_dump(struct seq_file *m, void *data) |
2485 | { | |
2486 | struct drm_info_node *node = m->private; | |
2487 | struct drm_device *dev = node->minor->dev; | |
2488 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2489 | struct drm_i915_gem_object *log_obj = dev_priv->guc.log_obj; | |
2490 | u32 *log; | |
2491 | int i = 0, pg; | |
2492 | ||
2493 | if (!log_obj) | |
2494 | return 0; | |
2495 | ||
2496 | for (pg = 0; pg < log_obj->base.size / PAGE_SIZE; pg++) { | |
2497 | log = kmap_atomic(i915_gem_object_get_page(log_obj, pg)); | |
2498 | ||
2499 | for (i = 0; i < PAGE_SIZE / sizeof(u32); i += 4) | |
2500 | seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n", | |
2501 | *(log + i), *(log + i + 1), | |
2502 | *(log + i + 2), *(log + i + 3)); | |
2503 | ||
2504 | kunmap_atomic(log); | |
2505 | } | |
2506 | ||
2507 | seq_putc(m, '\n'); | |
2508 | ||
2509 | return 0; | |
2510 | } | |
2511 | ||
e91fd8c6 RV |
2512 | static int i915_edp_psr_status(struct seq_file *m, void *data) |
2513 | { | |
2514 | struct drm_info_node *node = m->private; | |
2515 | struct drm_device *dev = node->minor->dev; | |
2516 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a031d709 | 2517 | u32 psrperf = 0; |
a6cbdb8e RV |
2518 | u32 stat[3]; |
2519 | enum pipe pipe; | |
a031d709 | 2520 | bool enabled = false; |
e91fd8c6 | 2521 | |
3553a8ea DL |
2522 | if (!HAS_PSR(dev)) { |
2523 | seq_puts(m, "PSR not supported\n"); | |
2524 | return 0; | |
2525 | } | |
2526 | ||
c8c8fb33 PZ |
2527 | intel_runtime_pm_get(dev_priv); |
2528 | ||
fa128fa6 | 2529 | mutex_lock(&dev_priv->psr.lock); |
a031d709 RV |
2530 | seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); |
2531 | seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); | |
2807cf69 | 2532 | seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); |
5755c78f | 2533 | seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); |
fa128fa6 DV |
2534 | seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", |
2535 | dev_priv->psr.busy_frontbuffer_bits); | |
2536 | seq_printf(m, "Re-enable work scheduled: %s\n", | |
2537 | yesno(work_busy(&dev_priv->psr.work.work))); | |
e91fd8c6 | 2538 | |
3553a8ea DL |
2539 | if (HAS_DDI(dev)) |
2540 | enabled = I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE; | |
2541 | else { | |
2542 | for_each_pipe(dev_priv, pipe) { | |
2543 | stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) & | |
2544 | VLV_EDP_PSR_CURR_STATE_MASK; | |
2545 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2546 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2547 | enabled = true; | |
a6cbdb8e RV |
2548 | } |
2549 | } | |
2550 | seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled)); | |
2551 | ||
2552 | if (!HAS_DDI(dev)) | |
2553 | for_each_pipe(dev_priv, pipe) { | |
2554 | if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || | |
2555 | (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) | |
2556 | seq_printf(m, " pipe %c", pipe_name(pipe)); | |
2557 | } | |
2558 | seq_puts(m, "\n"); | |
e91fd8c6 | 2559 | |
a6cbdb8e | 2560 | /* CHV PSR has no kind of performance counter */ |
3553a8ea | 2561 | if (HAS_DDI(dev)) { |
a031d709 RV |
2562 | psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) & |
2563 | EDP_PSR_PERF_CNT_MASK; | |
a6cbdb8e RV |
2564 | |
2565 | seq_printf(m, "Performance_Counter: %u\n", psrperf); | |
2566 | } | |
fa128fa6 | 2567 | mutex_unlock(&dev_priv->psr.lock); |
e91fd8c6 | 2568 | |
c8c8fb33 | 2569 | intel_runtime_pm_put(dev_priv); |
e91fd8c6 RV |
2570 | return 0; |
2571 | } | |
2572 | ||
d2e216d0 RV |
2573 | static int i915_sink_crc(struct seq_file *m, void *data) |
2574 | { | |
2575 | struct drm_info_node *node = m->private; | |
2576 | struct drm_device *dev = node->minor->dev; | |
2577 | struct intel_encoder *encoder; | |
2578 | struct intel_connector *connector; | |
2579 | struct intel_dp *intel_dp = NULL; | |
2580 | int ret; | |
2581 | u8 crc[6]; | |
2582 | ||
2583 | drm_modeset_lock_all(dev); | |
aca5e361 | 2584 | for_each_intel_connector(dev, connector) { |
d2e216d0 RV |
2585 | |
2586 | if (connector->base.dpms != DRM_MODE_DPMS_ON) | |
2587 | continue; | |
2588 | ||
b6ae3c7c PZ |
2589 | if (!connector->base.encoder) |
2590 | continue; | |
2591 | ||
d2e216d0 RV |
2592 | encoder = to_intel_encoder(connector->base.encoder); |
2593 | if (encoder->type != INTEL_OUTPUT_EDP) | |
2594 | continue; | |
2595 | ||
2596 | intel_dp = enc_to_intel_dp(&encoder->base); | |
2597 | ||
2598 | ret = intel_dp_sink_crc(intel_dp, crc); | |
2599 | if (ret) | |
2600 | goto out; | |
2601 | ||
2602 | seq_printf(m, "%02x%02x%02x%02x%02x%02x\n", | |
2603 | crc[0], crc[1], crc[2], | |
2604 | crc[3], crc[4], crc[5]); | |
2605 | goto out; | |
2606 | } | |
2607 | ret = -ENODEV; | |
2608 | out: | |
2609 | drm_modeset_unlock_all(dev); | |
2610 | return ret; | |
2611 | } | |
2612 | ||
ec013e7f JB |
2613 | static int i915_energy_uJ(struct seq_file *m, void *data) |
2614 | { | |
2615 | struct drm_info_node *node = m->private; | |
2616 | struct drm_device *dev = node->minor->dev; | |
2617 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2618 | u64 power; | |
2619 | u32 units; | |
2620 | ||
2621 | if (INTEL_INFO(dev)->gen < 6) | |
2622 | return -ENODEV; | |
2623 | ||
36623ef8 PZ |
2624 | intel_runtime_pm_get(dev_priv); |
2625 | ||
ec013e7f JB |
2626 | rdmsrl(MSR_RAPL_POWER_UNIT, power); |
2627 | power = (power & 0x1f00) >> 8; | |
2628 | units = 1000000 / (1 << power); /* convert to uJ */ | |
2629 | power = I915_READ(MCH_SECP_NRG_STTS); | |
2630 | power *= units; | |
2631 | ||
36623ef8 PZ |
2632 | intel_runtime_pm_put(dev_priv); |
2633 | ||
ec013e7f | 2634 | seq_printf(m, "%llu", (long long unsigned)power); |
371db66a PZ |
2635 | |
2636 | return 0; | |
2637 | } | |
2638 | ||
6455c870 | 2639 | static int i915_runtime_pm_status(struct seq_file *m, void *unused) |
371db66a | 2640 | { |
9f25d007 | 2641 | struct drm_info_node *node = m->private; |
371db66a PZ |
2642 | struct drm_device *dev = node->minor->dev; |
2643 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2644 | ||
6455c870 | 2645 | if (!HAS_RUNTIME_PM(dev)) { |
371db66a PZ |
2646 | seq_puts(m, "not supported\n"); |
2647 | return 0; | |
2648 | } | |
2649 | ||
86c4ec0d | 2650 | seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy)); |
371db66a | 2651 | seq_printf(m, "IRQs disabled: %s\n", |
9df7575f | 2652 | yesno(!intel_irqs_enabled(dev_priv))); |
0d804184 | 2653 | #ifdef CONFIG_PM |
a6aaec8b DL |
2654 | seq_printf(m, "Usage count: %d\n", |
2655 | atomic_read(&dev->dev->power.usage_count)); | |
0d804184 CW |
2656 | #else |
2657 | seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n"); | |
2658 | #endif | |
371db66a | 2659 | |
ec013e7f JB |
2660 | return 0; |
2661 | } | |
2662 | ||
1da51581 ID |
2663 | static const char *power_domain_str(enum intel_display_power_domain domain) |
2664 | { | |
2665 | switch (domain) { | |
2666 | case POWER_DOMAIN_PIPE_A: | |
2667 | return "PIPE_A"; | |
2668 | case POWER_DOMAIN_PIPE_B: | |
2669 | return "PIPE_B"; | |
2670 | case POWER_DOMAIN_PIPE_C: | |
2671 | return "PIPE_C"; | |
2672 | case POWER_DOMAIN_PIPE_A_PANEL_FITTER: | |
2673 | return "PIPE_A_PANEL_FITTER"; | |
2674 | case POWER_DOMAIN_PIPE_B_PANEL_FITTER: | |
2675 | return "PIPE_B_PANEL_FITTER"; | |
2676 | case POWER_DOMAIN_PIPE_C_PANEL_FITTER: | |
2677 | return "PIPE_C_PANEL_FITTER"; | |
2678 | case POWER_DOMAIN_TRANSCODER_A: | |
2679 | return "TRANSCODER_A"; | |
2680 | case POWER_DOMAIN_TRANSCODER_B: | |
2681 | return "TRANSCODER_B"; | |
2682 | case POWER_DOMAIN_TRANSCODER_C: | |
2683 | return "TRANSCODER_C"; | |
2684 | case POWER_DOMAIN_TRANSCODER_EDP: | |
2685 | return "TRANSCODER_EDP"; | |
319be8ae ID |
2686 | case POWER_DOMAIN_PORT_DDI_A_2_LANES: |
2687 | return "PORT_DDI_A_2_LANES"; | |
2688 | case POWER_DOMAIN_PORT_DDI_A_4_LANES: | |
2689 | return "PORT_DDI_A_4_LANES"; | |
2690 | case POWER_DOMAIN_PORT_DDI_B_2_LANES: | |
2691 | return "PORT_DDI_B_2_LANES"; | |
2692 | case POWER_DOMAIN_PORT_DDI_B_4_LANES: | |
2693 | return "PORT_DDI_B_4_LANES"; | |
2694 | case POWER_DOMAIN_PORT_DDI_C_2_LANES: | |
2695 | return "PORT_DDI_C_2_LANES"; | |
2696 | case POWER_DOMAIN_PORT_DDI_C_4_LANES: | |
2697 | return "PORT_DDI_C_4_LANES"; | |
2698 | case POWER_DOMAIN_PORT_DDI_D_2_LANES: | |
2699 | return "PORT_DDI_D_2_LANES"; | |
2700 | case POWER_DOMAIN_PORT_DDI_D_4_LANES: | |
2701 | return "PORT_DDI_D_4_LANES"; | |
d8e19f99 XZ |
2702 | case POWER_DOMAIN_PORT_DDI_E_2_LANES: |
2703 | return "PORT_DDI_E_2_LANES"; | |
319be8ae ID |
2704 | case POWER_DOMAIN_PORT_DSI: |
2705 | return "PORT_DSI"; | |
2706 | case POWER_DOMAIN_PORT_CRT: | |
2707 | return "PORT_CRT"; | |
2708 | case POWER_DOMAIN_PORT_OTHER: | |
2709 | return "PORT_OTHER"; | |
1da51581 ID |
2710 | case POWER_DOMAIN_VGA: |
2711 | return "VGA"; | |
2712 | case POWER_DOMAIN_AUDIO: | |
2713 | return "AUDIO"; | |
bd2bb1b9 PZ |
2714 | case POWER_DOMAIN_PLLS: |
2715 | return "PLLS"; | |
1407121a S |
2716 | case POWER_DOMAIN_AUX_A: |
2717 | return "AUX_A"; | |
2718 | case POWER_DOMAIN_AUX_B: | |
2719 | return "AUX_B"; | |
2720 | case POWER_DOMAIN_AUX_C: | |
2721 | return "AUX_C"; | |
2722 | case POWER_DOMAIN_AUX_D: | |
2723 | return "AUX_D"; | |
1da51581 ID |
2724 | case POWER_DOMAIN_INIT: |
2725 | return "INIT"; | |
2726 | default: | |
5f77eeb0 | 2727 | MISSING_CASE(domain); |
1da51581 ID |
2728 | return "?"; |
2729 | } | |
2730 | } | |
2731 | ||
2732 | static int i915_power_domain_info(struct seq_file *m, void *unused) | |
2733 | { | |
9f25d007 | 2734 | struct drm_info_node *node = m->private; |
1da51581 ID |
2735 | struct drm_device *dev = node->minor->dev; |
2736 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2737 | struct i915_power_domains *power_domains = &dev_priv->power_domains; | |
2738 | int i; | |
2739 | ||
2740 | mutex_lock(&power_domains->lock); | |
2741 | ||
2742 | seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count"); | |
2743 | for (i = 0; i < power_domains->power_well_count; i++) { | |
2744 | struct i915_power_well *power_well; | |
2745 | enum intel_display_power_domain power_domain; | |
2746 | ||
2747 | power_well = &power_domains->power_wells[i]; | |
2748 | seq_printf(m, "%-25s %d\n", power_well->name, | |
2749 | power_well->count); | |
2750 | ||
2751 | for (power_domain = 0; power_domain < POWER_DOMAIN_NUM; | |
2752 | power_domain++) { | |
2753 | if (!(BIT(power_domain) & power_well->domains)) | |
2754 | continue; | |
2755 | ||
2756 | seq_printf(m, " %-23s %d\n", | |
2757 | power_domain_str(power_domain), | |
2758 | power_domains->domain_use_count[power_domain]); | |
2759 | } | |
2760 | } | |
2761 | ||
2762 | mutex_unlock(&power_domains->lock); | |
2763 | ||
2764 | return 0; | |
2765 | } | |
2766 | ||
53f5e3ca JB |
2767 | static void intel_seq_print_mode(struct seq_file *m, int tabs, |
2768 | struct drm_display_mode *mode) | |
2769 | { | |
2770 | int i; | |
2771 | ||
2772 | for (i = 0; i < tabs; i++) | |
2773 | seq_putc(m, '\t'); | |
2774 | ||
2775 | 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", | |
2776 | mode->base.id, mode->name, | |
2777 | mode->vrefresh, mode->clock, | |
2778 | mode->hdisplay, mode->hsync_start, | |
2779 | mode->hsync_end, mode->htotal, | |
2780 | mode->vdisplay, mode->vsync_start, | |
2781 | mode->vsync_end, mode->vtotal, | |
2782 | mode->type, mode->flags); | |
2783 | } | |
2784 | ||
2785 | static void intel_encoder_info(struct seq_file *m, | |
2786 | struct intel_crtc *intel_crtc, | |
2787 | struct intel_encoder *intel_encoder) | |
2788 | { | |
9f25d007 | 2789 | struct drm_info_node *node = m->private; |
53f5e3ca JB |
2790 | struct drm_device *dev = node->minor->dev; |
2791 | struct drm_crtc *crtc = &intel_crtc->base; | |
2792 | struct intel_connector *intel_connector; | |
2793 | struct drm_encoder *encoder; | |
2794 | ||
2795 | encoder = &intel_encoder->base; | |
2796 | seq_printf(m, "\tencoder %d: type: %s, connectors:\n", | |
8e329a03 | 2797 | encoder->base.id, encoder->name); |
53f5e3ca JB |
2798 | for_each_connector_on_encoder(dev, encoder, intel_connector) { |
2799 | struct drm_connector *connector = &intel_connector->base; | |
2800 | seq_printf(m, "\t\tconnector %d: type: %s, status: %s", | |
2801 | connector->base.id, | |
c23cc417 | 2802 | connector->name, |
53f5e3ca JB |
2803 | drm_get_connector_status_name(connector->status)); |
2804 | if (connector->status == connector_status_connected) { | |
2805 | struct drm_display_mode *mode = &crtc->mode; | |
2806 | seq_printf(m, ", mode:\n"); | |
2807 | intel_seq_print_mode(m, 2, mode); | |
2808 | } else { | |
2809 | seq_putc(m, '\n'); | |
2810 | } | |
2811 | } | |
2812 | } | |
2813 | ||
2814 | static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc) | |
2815 | { | |
9f25d007 | 2816 | struct drm_info_node *node = m->private; |
53f5e3ca JB |
2817 | struct drm_device *dev = node->minor->dev; |
2818 | struct drm_crtc *crtc = &intel_crtc->base; | |
2819 | struct intel_encoder *intel_encoder; | |
23a48d53 ML |
2820 | struct drm_plane_state *plane_state = crtc->primary->state; |
2821 | struct drm_framebuffer *fb = plane_state->fb; | |
53f5e3ca | 2822 | |
23a48d53 | 2823 | if (fb) |
5aa8a937 | 2824 | seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n", |
23a48d53 ML |
2825 | fb->base.id, plane_state->src_x >> 16, |
2826 | plane_state->src_y >> 16, fb->width, fb->height); | |
5aa8a937 MR |
2827 | else |
2828 | seq_puts(m, "\tprimary plane disabled\n"); | |
53f5e3ca JB |
2829 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
2830 | intel_encoder_info(m, intel_crtc, intel_encoder); | |
2831 | } | |
2832 | ||
2833 | static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) | |
2834 | { | |
2835 | struct drm_display_mode *mode = panel->fixed_mode; | |
2836 | ||
2837 | seq_printf(m, "\tfixed mode:\n"); | |
2838 | intel_seq_print_mode(m, 2, mode); | |
2839 | } | |
2840 | ||
2841 | static void intel_dp_info(struct seq_file *m, | |
2842 | struct intel_connector *intel_connector) | |
2843 | { | |
2844 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2845 | struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); | |
2846 | ||
2847 | seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]); | |
742f491d | 2848 | seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio)); |
53f5e3ca JB |
2849 | if (intel_encoder->type == INTEL_OUTPUT_EDP) |
2850 | intel_panel_info(m, &intel_connector->panel); | |
2851 | } | |
2852 | ||
2853 | static void intel_hdmi_info(struct seq_file *m, | |
2854 | struct intel_connector *intel_connector) | |
2855 | { | |
2856 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
2857 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); | |
2858 | ||
742f491d | 2859 | seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio)); |
53f5e3ca JB |
2860 | } |
2861 | ||
2862 | static void intel_lvds_info(struct seq_file *m, | |
2863 | struct intel_connector *intel_connector) | |
2864 | { | |
2865 | intel_panel_info(m, &intel_connector->panel); | |
2866 | } | |
2867 | ||
2868 | static void intel_connector_info(struct seq_file *m, | |
2869 | struct drm_connector *connector) | |
2870 | { | |
2871 | struct intel_connector *intel_connector = to_intel_connector(connector); | |
2872 | struct intel_encoder *intel_encoder = intel_connector->encoder; | |
f103fc7d | 2873 | struct drm_display_mode *mode; |
53f5e3ca JB |
2874 | |
2875 | seq_printf(m, "connector %d: type %s, status: %s\n", | |
c23cc417 | 2876 | connector->base.id, connector->name, |
53f5e3ca JB |
2877 | drm_get_connector_status_name(connector->status)); |
2878 | if (connector->status == connector_status_connected) { | |
2879 | seq_printf(m, "\tname: %s\n", connector->display_info.name); | |
2880 | seq_printf(m, "\tphysical dimensions: %dx%dmm\n", | |
2881 | connector->display_info.width_mm, | |
2882 | connector->display_info.height_mm); | |
2883 | seq_printf(m, "\tsubpixel order: %s\n", | |
2884 | drm_get_subpixel_order_name(connector->display_info.subpixel_order)); | |
2885 | seq_printf(m, "\tCEA rev: %d\n", | |
2886 | connector->display_info.cea_rev); | |
2887 | } | |
36cd7444 DA |
2888 | if (intel_encoder) { |
2889 | if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT || | |
2890 | intel_encoder->type == INTEL_OUTPUT_EDP) | |
2891 | intel_dp_info(m, intel_connector); | |
2892 | else if (intel_encoder->type == INTEL_OUTPUT_HDMI) | |
2893 | intel_hdmi_info(m, intel_connector); | |
2894 | else if (intel_encoder->type == INTEL_OUTPUT_LVDS) | |
2895 | intel_lvds_info(m, intel_connector); | |
2896 | } | |
53f5e3ca | 2897 | |
f103fc7d JB |
2898 | seq_printf(m, "\tmodes:\n"); |
2899 | list_for_each_entry(mode, &connector->modes, head) | |
2900 | intel_seq_print_mode(m, 2, mode); | |
53f5e3ca JB |
2901 | } |
2902 | ||
065f2ec2 CW |
2903 | static bool cursor_active(struct drm_device *dev, int pipe) |
2904 | { | |
2905 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2906 | u32 state; | |
2907 | ||
2908 | if (IS_845G(dev) || IS_I865G(dev)) | |
2909 | state = I915_READ(_CURACNTR) & CURSOR_ENABLE; | |
065f2ec2 | 2910 | else |
5efb3e28 | 2911 | state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
065f2ec2 CW |
2912 | |
2913 | return state; | |
2914 | } | |
2915 | ||
2916 | static bool cursor_position(struct drm_device *dev, int pipe, int *x, int *y) | |
2917 | { | |
2918 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2919 | u32 pos; | |
2920 | ||
5efb3e28 | 2921 | pos = I915_READ(CURPOS(pipe)); |
065f2ec2 CW |
2922 | |
2923 | *x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK; | |
2924 | if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT)) | |
2925 | *x = -*x; | |
2926 | ||
2927 | *y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK; | |
2928 | if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT)) | |
2929 | *y = -*y; | |
2930 | ||
2931 | return cursor_active(dev, pipe); | |
2932 | } | |
2933 | ||
53f5e3ca JB |
2934 | static int i915_display_info(struct seq_file *m, void *unused) |
2935 | { | |
9f25d007 | 2936 | struct drm_info_node *node = m->private; |
53f5e3ca | 2937 | struct drm_device *dev = node->minor->dev; |
b0e5ddf3 | 2938 | struct drm_i915_private *dev_priv = dev->dev_private; |
065f2ec2 | 2939 | struct intel_crtc *crtc; |
53f5e3ca JB |
2940 | struct drm_connector *connector; |
2941 | ||
b0e5ddf3 | 2942 | intel_runtime_pm_get(dev_priv); |
53f5e3ca JB |
2943 | drm_modeset_lock_all(dev); |
2944 | seq_printf(m, "CRTC info\n"); | |
2945 | seq_printf(m, "---------\n"); | |
d3fcc808 | 2946 | for_each_intel_crtc(dev, crtc) { |
065f2ec2 | 2947 | bool active; |
f77076c9 | 2948 | struct intel_crtc_state *pipe_config; |
065f2ec2 | 2949 | int x, y; |
53f5e3ca | 2950 | |
f77076c9 ML |
2951 | pipe_config = to_intel_crtc_state(crtc->base.state); |
2952 | ||
57127efa | 2953 | seq_printf(m, "CRTC %d: pipe: %c, active=%s (size=%dx%d)\n", |
065f2ec2 | 2954 | crtc->base.base.id, pipe_name(crtc->pipe), |
f77076c9 ML |
2955 | yesno(pipe_config->base.active), |
2956 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
2957 | if (pipe_config->base.active) { | |
065f2ec2 CW |
2958 | intel_crtc_info(m, crtc); |
2959 | ||
a23dc658 | 2960 | active = cursor_position(dev, crtc->pipe, &x, &y); |
57127efa | 2961 | seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n", |
4b0e333e | 2962 | yesno(crtc->cursor_base), |
3dd512fb MR |
2963 | x, y, crtc->base.cursor->state->crtc_w, |
2964 | crtc->base.cursor->state->crtc_h, | |
57127efa | 2965 | crtc->cursor_addr, yesno(active)); |
a23dc658 | 2966 | } |
cace841c DV |
2967 | |
2968 | seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n", | |
2969 | yesno(!crtc->cpu_fifo_underrun_disabled), | |
2970 | yesno(!crtc->pch_fifo_underrun_disabled)); | |
53f5e3ca JB |
2971 | } |
2972 | ||
2973 | seq_printf(m, "\n"); | |
2974 | seq_printf(m, "Connector info\n"); | |
2975 | seq_printf(m, "--------------\n"); | |
2976 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2977 | intel_connector_info(m, connector); | |
2978 | } | |
2979 | drm_modeset_unlock_all(dev); | |
b0e5ddf3 | 2980 | intel_runtime_pm_put(dev_priv); |
53f5e3ca JB |
2981 | |
2982 | return 0; | |
2983 | } | |
2984 | ||
e04934cf BW |
2985 | static int i915_semaphore_status(struct seq_file *m, void *unused) |
2986 | { | |
2987 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
2988 | struct drm_device *dev = node->minor->dev; | |
2989 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2990 | struct intel_engine_cs *ring; | |
2991 | int num_rings = hweight32(INTEL_INFO(dev)->ring_mask); | |
2992 | int i, j, ret; | |
2993 | ||
2994 | if (!i915_semaphore_is_enabled(dev)) { | |
2995 | seq_puts(m, "Semaphores are disabled\n"); | |
2996 | return 0; | |
2997 | } | |
2998 | ||
2999 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
3000 | if (ret) | |
3001 | return ret; | |
03872064 | 3002 | intel_runtime_pm_get(dev_priv); |
e04934cf BW |
3003 | |
3004 | if (IS_BROADWELL(dev)) { | |
3005 | struct page *page; | |
3006 | uint64_t *seqno; | |
3007 | ||
3008 | page = i915_gem_object_get_page(dev_priv->semaphore_obj, 0); | |
3009 | ||
3010 | seqno = (uint64_t *)kmap_atomic(page); | |
3011 | for_each_ring(ring, dev_priv, i) { | |
3012 | uint64_t offset; | |
3013 | ||
3014 | seq_printf(m, "%s\n", ring->name); | |
3015 | ||
3016 | seq_puts(m, " Last signal:"); | |
3017 | for (j = 0; j < num_rings; j++) { | |
3018 | offset = i * I915_NUM_RINGS + j; | |
3019 | seq_printf(m, "0x%08llx (0x%02llx) ", | |
3020 | seqno[offset], offset * 8); | |
3021 | } | |
3022 | seq_putc(m, '\n'); | |
3023 | ||
3024 | seq_puts(m, " Last wait: "); | |
3025 | for (j = 0; j < num_rings; j++) { | |
3026 | offset = i + (j * I915_NUM_RINGS); | |
3027 | seq_printf(m, "0x%08llx (0x%02llx) ", | |
3028 | seqno[offset], offset * 8); | |
3029 | } | |
3030 | seq_putc(m, '\n'); | |
3031 | ||
3032 | } | |
3033 | kunmap_atomic(seqno); | |
3034 | } else { | |
3035 | seq_puts(m, " Last signal:"); | |
3036 | for_each_ring(ring, dev_priv, i) | |
3037 | for (j = 0; j < num_rings; j++) | |
3038 | seq_printf(m, "0x%08x\n", | |
3039 | I915_READ(ring->semaphore.mbox.signal[j])); | |
3040 | seq_putc(m, '\n'); | |
3041 | } | |
3042 | ||
3043 | seq_puts(m, "\nSync seqno:\n"); | |
3044 | for_each_ring(ring, dev_priv, i) { | |
3045 | for (j = 0; j < num_rings; j++) { | |
3046 | seq_printf(m, " 0x%08x ", ring->semaphore.sync_seqno[j]); | |
3047 | } | |
3048 | seq_putc(m, '\n'); | |
3049 | } | |
3050 | seq_putc(m, '\n'); | |
3051 | ||
03872064 | 3052 | intel_runtime_pm_put(dev_priv); |
e04934cf BW |
3053 | mutex_unlock(&dev->struct_mutex); |
3054 | return 0; | |
3055 | } | |
3056 | ||
728e29d7 DV |
3057 | static int i915_shared_dplls_info(struct seq_file *m, void *unused) |
3058 | { | |
3059 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
3060 | struct drm_device *dev = node->minor->dev; | |
3061 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3062 | int i; | |
3063 | ||
3064 | drm_modeset_lock_all(dev); | |
3065 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
3066 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
3067 | ||
3068 | seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id); | |
1e6f2ddc | 3069 | seq_printf(m, " crtc_mask: 0x%08x, active: %d, on: %s\n", |
3e369b76 | 3070 | pll->config.crtc_mask, pll->active, yesno(pll->on)); |
728e29d7 | 3071 | seq_printf(m, " tracked hardware state:\n"); |
3e369b76 ACO |
3072 | seq_printf(m, " dpll: 0x%08x\n", pll->config.hw_state.dpll); |
3073 | seq_printf(m, " dpll_md: 0x%08x\n", | |
3074 | pll->config.hw_state.dpll_md); | |
3075 | seq_printf(m, " fp0: 0x%08x\n", pll->config.hw_state.fp0); | |
3076 | seq_printf(m, " fp1: 0x%08x\n", pll->config.hw_state.fp1); | |
3077 | seq_printf(m, " wrpll: 0x%08x\n", pll->config.hw_state.wrpll); | |
728e29d7 DV |
3078 | } |
3079 | drm_modeset_unlock_all(dev); | |
3080 | ||
3081 | return 0; | |
3082 | } | |
3083 | ||
1ed1ef9d | 3084 | static int i915_wa_registers(struct seq_file *m, void *unused) |
888b5995 AS |
3085 | { |
3086 | int i; | |
3087 | int ret; | |
3088 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
3089 | struct drm_device *dev = node->minor->dev; | |
3090 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3091 | ||
888b5995 AS |
3092 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
3093 | if (ret) | |
3094 | return ret; | |
3095 | ||
3096 | intel_runtime_pm_get(dev_priv); | |
3097 | ||
7225342a MK |
3098 | seq_printf(m, "Workarounds applied: %d\n", dev_priv->workarounds.count); |
3099 | for (i = 0; i < dev_priv->workarounds.count; ++i) { | |
2fa60f6d MK |
3100 | u32 addr, mask, value, read; |
3101 | bool ok; | |
888b5995 | 3102 | |
7225342a MK |
3103 | addr = dev_priv->workarounds.reg[i].addr; |
3104 | mask = dev_priv->workarounds.reg[i].mask; | |
2fa60f6d MK |
3105 | value = dev_priv->workarounds.reg[i].value; |
3106 | read = I915_READ(addr); | |
3107 | ok = (value & mask) == (read & mask); | |
3108 | seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n", | |
3109 | addr, value, mask, read, ok ? "OK" : "FAIL"); | |
888b5995 AS |
3110 | } |
3111 | ||
3112 | intel_runtime_pm_put(dev_priv); | |
3113 | mutex_unlock(&dev->struct_mutex); | |
3114 | ||
3115 | return 0; | |
3116 | } | |
3117 | ||
c5511e44 DL |
3118 | static int i915_ddb_info(struct seq_file *m, void *unused) |
3119 | { | |
3120 | struct drm_info_node *node = m->private; | |
3121 | struct drm_device *dev = node->minor->dev; | |
3122 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3123 | struct skl_ddb_allocation *ddb; | |
3124 | struct skl_ddb_entry *entry; | |
3125 | enum pipe pipe; | |
3126 | int plane; | |
3127 | ||
2fcffe19 DL |
3128 | if (INTEL_INFO(dev)->gen < 9) |
3129 | return 0; | |
3130 | ||
c5511e44 DL |
3131 | drm_modeset_lock_all(dev); |
3132 | ||
3133 | ddb = &dev_priv->wm.skl_hw.ddb; | |
3134 | ||
3135 | seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size"); | |
3136 | ||
3137 | for_each_pipe(dev_priv, pipe) { | |
3138 | seq_printf(m, "Pipe %c\n", pipe_name(pipe)); | |
3139 | ||
dd740780 | 3140 | for_each_plane(dev_priv, pipe, plane) { |
c5511e44 DL |
3141 | entry = &ddb->plane[pipe][plane]; |
3142 | seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1, | |
3143 | entry->start, entry->end, | |
3144 | skl_ddb_entry_size(entry)); | |
3145 | } | |
3146 | ||
3147 | entry = &ddb->cursor[pipe]; | |
3148 | seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start, | |
3149 | entry->end, skl_ddb_entry_size(entry)); | |
3150 | } | |
3151 | ||
3152 | drm_modeset_unlock_all(dev); | |
3153 | ||
3154 | return 0; | |
3155 | } | |
3156 | ||
a54746e3 VK |
3157 | static void drrs_status_per_crtc(struct seq_file *m, |
3158 | struct drm_device *dev, struct intel_crtc *intel_crtc) | |
3159 | { | |
3160 | struct intel_encoder *intel_encoder; | |
3161 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3162 | struct i915_drrs *drrs = &dev_priv->drrs; | |
3163 | int vrefresh = 0; | |
3164 | ||
3165 | for_each_encoder_on_crtc(dev, &intel_crtc->base, intel_encoder) { | |
3166 | /* Encoder connected on this CRTC */ | |
3167 | switch (intel_encoder->type) { | |
3168 | case INTEL_OUTPUT_EDP: | |
3169 | seq_puts(m, "eDP:\n"); | |
3170 | break; | |
3171 | case INTEL_OUTPUT_DSI: | |
3172 | seq_puts(m, "DSI:\n"); | |
3173 | break; | |
3174 | case INTEL_OUTPUT_HDMI: | |
3175 | seq_puts(m, "HDMI:\n"); | |
3176 | break; | |
3177 | case INTEL_OUTPUT_DISPLAYPORT: | |
3178 | seq_puts(m, "DP:\n"); | |
3179 | break; | |
3180 | default: | |
3181 | seq_printf(m, "Other encoder (id=%d).\n", | |
3182 | intel_encoder->type); | |
3183 | return; | |
3184 | } | |
3185 | } | |
3186 | ||
3187 | if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT) | |
3188 | seq_puts(m, "\tVBT: DRRS_type: Static"); | |
3189 | else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT) | |
3190 | seq_puts(m, "\tVBT: DRRS_type: Seamless"); | |
3191 | else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED) | |
3192 | seq_puts(m, "\tVBT: DRRS_type: None"); | |
3193 | else | |
3194 | seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value"); | |
3195 | ||
3196 | seq_puts(m, "\n\n"); | |
3197 | ||
f77076c9 | 3198 | if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) { |
a54746e3 VK |
3199 | struct intel_panel *panel; |
3200 | ||
3201 | mutex_lock(&drrs->mutex); | |
3202 | /* DRRS Supported */ | |
3203 | seq_puts(m, "\tDRRS Supported: Yes\n"); | |
3204 | ||
3205 | /* disable_drrs() will make drrs->dp NULL */ | |
3206 | if (!drrs->dp) { | |
3207 | seq_puts(m, "Idleness DRRS: Disabled"); | |
3208 | mutex_unlock(&drrs->mutex); | |
3209 | return; | |
3210 | } | |
3211 | ||
3212 | panel = &drrs->dp->attached_connector->panel; | |
3213 | seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X", | |
3214 | drrs->busy_frontbuffer_bits); | |
3215 | ||
3216 | seq_puts(m, "\n\t\t"); | |
3217 | if (drrs->refresh_rate_type == DRRS_HIGH_RR) { | |
3218 | seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n"); | |
3219 | vrefresh = panel->fixed_mode->vrefresh; | |
3220 | } else if (drrs->refresh_rate_type == DRRS_LOW_RR) { | |
3221 | seq_puts(m, "DRRS_State: DRRS_LOW_RR\n"); | |
3222 | vrefresh = panel->downclock_mode->vrefresh; | |
3223 | } else { | |
3224 | seq_printf(m, "DRRS_State: Unknown(%d)\n", | |
3225 | drrs->refresh_rate_type); | |
3226 | mutex_unlock(&drrs->mutex); | |
3227 | return; | |
3228 | } | |
3229 | seq_printf(m, "\t\tVrefresh: %d", vrefresh); | |
3230 | ||
3231 | seq_puts(m, "\n\t\t"); | |
3232 | mutex_unlock(&drrs->mutex); | |
3233 | } else { | |
3234 | /* DRRS not supported. Print the VBT parameter*/ | |
3235 | seq_puts(m, "\tDRRS Supported : No"); | |
3236 | } | |
3237 | seq_puts(m, "\n"); | |
3238 | } | |
3239 | ||
3240 | static int i915_drrs_status(struct seq_file *m, void *unused) | |
3241 | { | |
3242 | struct drm_info_node *node = m->private; | |
3243 | struct drm_device *dev = node->minor->dev; | |
3244 | struct intel_crtc *intel_crtc; | |
3245 | int active_crtc_cnt = 0; | |
3246 | ||
3247 | for_each_intel_crtc(dev, intel_crtc) { | |
3248 | drm_modeset_lock(&intel_crtc->base.mutex, NULL); | |
3249 | ||
f77076c9 | 3250 | if (intel_crtc->base.state->active) { |
a54746e3 VK |
3251 | active_crtc_cnt++; |
3252 | seq_printf(m, "\nCRTC %d: ", active_crtc_cnt); | |
3253 | ||
3254 | drrs_status_per_crtc(m, dev, intel_crtc); | |
3255 | } | |
3256 | ||
3257 | drm_modeset_unlock(&intel_crtc->base.mutex); | |
3258 | } | |
3259 | ||
3260 | if (!active_crtc_cnt) | |
3261 | seq_puts(m, "No active crtc found\n"); | |
3262 | ||
3263 | return 0; | |
3264 | } | |
3265 | ||
07144428 DL |
3266 | struct pipe_crc_info { |
3267 | const char *name; | |
3268 | struct drm_device *dev; | |
3269 | enum pipe pipe; | |
3270 | }; | |
3271 | ||
11bed958 DA |
3272 | static int i915_dp_mst_info(struct seq_file *m, void *unused) |
3273 | { | |
3274 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
3275 | struct drm_device *dev = node->minor->dev; | |
3276 | struct drm_encoder *encoder; | |
3277 | struct intel_encoder *intel_encoder; | |
3278 | struct intel_digital_port *intel_dig_port; | |
3279 | drm_modeset_lock_all(dev); | |
3280 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
3281 | intel_encoder = to_intel_encoder(encoder); | |
3282 | if (intel_encoder->type != INTEL_OUTPUT_DISPLAYPORT) | |
3283 | continue; | |
3284 | intel_dig_port = enc_to_dig_port(encoder); | |
3285 | if (!intel_dig_port->dp.can_mst) | |
3286 | continue; | |
3287 | ||
3288 | drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr); | |
3289 | } | |
3290 | drm_modeset_unlock_all(dev); | |
3291 | return 0; | |
3292 | } | |
3293 | ||
07144428 DL |
3294 | static int i915_pipe_crc_open(struct inode *inode, struct file *filep) |
3295 | { | |
be5c7a90 DL |
3296 | struct pipe_crc_info *info = inode->i_private; |
3297 | struct drm_i915_private *dev_priv = info->dev->dev_private; | |
3298 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
3299 | ||
7eb1c496 DV |
3300 | if (info->pipe >= INTEL_INFO(info->dev)->num_pipes) |
3301 | return -ENODEV; | |
3302 | ||
d538bbdf DL |
3303 | spin_lock_irq(&pipe_crc->lock); |
3304 | ||
3305 | if (pipe_crc->opened) { | |
3306 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 DL |
3307 | return -EBUSY; /* already open */ |
3308 | } | |
3309 | ||
d538bbdf | 3310 | pipe_crc->opened = true; |
07144428 DL |
3311 | filep->private_data = inode->i_private; |
3312 | ||
d538bbdf DL |
3313 | spin_unlock_irq(&pipe_crc->lock); |
3314 | ||
07144428 DL |
3315 | return 0; |
3316 | } | |
3317 | ||
3318 | static int i915_pipe_crc_release(struct inode *inode, struct file *filep) | |
3319 | { | |
be5c7a90 DL |
3320 | struct pipe_crc_info *info = inode->i_private; |
3321 | struct drm_i915_private *dev_priv = info->dev->dev_private; | |
3322 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
3323 | ||
d538bbdf DL |
3324 | spin_lock_irq(&pipe_crc->lock); |
3325 | pipe_crc->opened = false; | |
3326 | spin_unlock_irq(&pipe_crc->lock); | |
be5c7a90 | 3327 | |
07144428 DL |
3328 | return 0; |
3329 | } | |
3330 | ||
3331 | /* (6 fields, 8 chars each, space separated (5) + '\n') */ | |
3332 | #define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1) | |
3333 | /* account for \'0' */ | |
3334 | #define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1) | |
3335 | ||
3336 | static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc) | |
8bf1e9f1 | 3337 | { |
d538bbdf DL |
3338 | assert_spin_locked(&pipe_crc->lock); |
3339 | return CIRC_CNT(pipe_crc->head, pipe_crc->tail, | |
3340 | INTEL_PIPE_CRC_ENTRIES_NR); | |
07144428 DL |
3341 | } |
3342 | ||
3343 | static ssize_t | |
3344 | i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count, | |
3345 | loff_t *pos) | |
3346 | { | |
3347 | struct pipe_crc_info *info = filep->private_data; | |
3348 | struct drm_device *dev = info->dev; | |
3349 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3350 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe]; | |
3351 | char buf[PIPE_CRC_BUFFER_LEN]; | |
9ad6d99f | 3352 | int n_entries; |
07144428 DL |
3353 | ssize_t bytes_read; |
3354 | ||
3355 | /* | |
3356 | * Don't allow user space to provide buffers not big enough to hold | |
3357 | * a line of data. | |
3358 | */ | |
3359 | if (count < PIPE_CRC_LINE_LEN) | |
3360 | return -EINVAL; | |
3361 | ||
3362 | if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE) | |
8bf1e9f1 | 3363 | return 0; |
07144428 DL |
3364 | |
3365 | /* nothing to read */ | |
d538bbdf | 3366 | spin_lock_irq(&pipe_crc->lock); |
07144428 | 3367 | while (pipe_crc_data_count(pipe_crc) == 0) { |
d538bbdf DL |
3368 | int ret; |
3369 | ||
3370 | if (filep->f_flags & O_NONBLOCK) { | |
3371 | spin_unlock_irq(&pipe_crc->lock); | |
07144428 | 3372 | return -EAGAIN; |
d538bbdf | 3373 | } |
07144428 | 3374 | |
d538bbdf DL |
3375 | ret = wait_event_interruptible_lock_irq(pipe_crc->wq, |
3376 | pipe_crc_data_count(pipe_crc), pipe_crc->lock); | |
3377 | if (ret) { | |
3378 | spin_unlock_irq(&pipe_crc->lock); | |
3379 | return ret; | |
3380 | } | |
8bf1e9f1 SH |
3381 | } |
3382 | ||
07144428 | 3383 | /* We now have one or more entries to read */ |
9ad6d99f | 3384 | n_entries = count / PIPE_CRC_LINE_LEN; |
d538bbdf | 3385 | |
07144428 | 3386 | bytes_read = 0; |
9ad6d99f VS |
3387 | while (n_entries > 0) { |
3388 | struct intel_pipe_crc_entry *entry = | |
3389 | &pipe_crc->entries[pipe_crc->tail]; | |
07144428 | 3390 | int ret; |
8bf1e9f1 | 3391 | |
9ad6d99f VS |
3392 | if (CIRC_CNT(pipe_crc->head, pipe_crc->tail, |
3393 | INTEL_PIPE_CRC_ENTRIES_NR) < 1) | |
3394 | break; | |
3395 | ||
3396 | BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR); | |
3397 | pipe_crc->tail = (pipe_crc->tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1); | |
3398 | ||
07144428 DL |
3399 | bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN, |
3400 | "%8u %8x %8x %8x %8x %8x\n", | |
3401 | entry->frame, entry->crc[0], | |
3402 | entry->crc[1], entry->crc[2], | |
3403 | entry->crc[3], entry->crc[4]); | |
3404 | ||
9ad6d99f VS |
3405 | spin_unlock_irq(&pipe_crc->lock); |
3406 | ||
3407 | ret = copy_to_user(user_buf, buf, PIPE_CRC_LINE_LEN); | |
07144428 DL |
3408 | if (ret == PIPE_CRC_LINE_LEN) |
3409 | return -EFAULT; | |
b2c88f5b | 3410 | |
9ad6d99f VS |
3411 | user_buf += PIPE_CRC_LINE_LEN; |
3412 | n_entries--; | |
3413 | ||
3414 | spin_lock_irq(&pipe_crc->lock); | |
3415 | } | |
8bf1e9f1 | 3416 | |
d538bbdf DL |
3417 | spin_unlock_irq(&pipe_crc->lock); |
3418 | ||
07144428 DL |
3419 | return bytes_read; |
3420 | } | |
3421 | ||
3422 | static const struct file_operations i915_pipe_crc_fops = { | |
3423 | .owner = THIS_MODULE, | |
3424 | .open = i915_pipe_crc_open, | |
3425 | .read = i915_pipe_crc_read, | |
3426 | .release = i915_pipe_crc_release, | |
3427 | }; | |
3428 | ||
3429 | static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = { | |
3430 | { | |
3431 | .name = "i915_pipe_A_crc", | |
3432 | .pipe = PIPE_A, | |
3433 | }, | |
3434 | { | |
3435 | .name = "i915_pipe_B_crc", | |
3436 | .pipe = PIPE_B, | |
3437 | }, | |
3438 | { | |
3439 | .name = "i915_pipe_C_crc", | |
3440 | .pipe = PIPE_C, | |
3441 | }, | |
3442 | }; | |
3443 | ||
3444 | static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor, | |
3445 | enum pipe pipe) | |
3446 | { | |
3447 | struct drm_device *dev = minor->dev; | |
3448 | struct dentry *ent; | |
3449 | struct pipe_crc_info *info = &i915_pipe_crc_data[pipe]; | |
3450 | ||
3451 | info->dev = dev; | |
3452 | ent = debugfs_create_file(info->name, S_IRUGO, root, info, | |
3453 | &i915_pipe_crc_fops); | |
f3c5fe97 WY |
3454 | if (!ent) |
3455 | return -ENOMEM; | |
07144428 DL |
3456 | |
3457 | return drm_add_fake_info_node(minor, ent, info); | |
8bf1e9f1 SH |
3458 | } |
3459 | ||
e8dfcf78 | 3460 | static const char * const pipe_crc_sources[] = { |
926321d5 DV |
3461 | "none", |
3462 | "plane1", | |
3463 | "plane2", | |
3464 | "pf", | |
5b3a856b | 3465 | "pipe", |
3d099a05 DV |
3466 | "TV", |
3467 | "DP-B", | |
3468 | "DP-C", | |
3469 | "DP-D", | |
46a19188 | 3470 | "auto", |
926321d5 DV |
3471 | }; |
3472 | ||
3473 | static const char *pipe_crc_source_name(enum intel_pipe_crc_source source) | |
3474 | { | |
3475 | BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX); | |
3476 | return pipe_crc_sources[source]; | |
3477 | } | |
3478 | ||
bd9db02f | 3479 | static int display_crc_ctl_show(struct seq_file *m, void *data) |
926321d5 DV |
3480 | { |
3481 | struct drm_device *dev = m->private; | |
3482 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3483 | int i; | |
3484 | ||
3485 | for (i = 0; i < I915_MAX_PIPES; i++) | |
3486 | seq_printf(m, "%c %s\n", pipe_name(i), | |
3487 | pipe_crc_source_name(dev_priv->pipe_crc[i].source)); | |
3488 | ||
3489 | return 0; | |
3490 | } | |
3491 | ||
bd9db02f | 3492 | static int display_crc_ctl_open(struct inode *inode, struct file *file) |
926321d5 DV |
3493 | { |
3494 | struct drm_device *dev = inode->i_private; | |
3495 | ||
bd9db02f | 3496 | return single_open(file, display_crc_ctl_show, dev); |
926321d5 DV |
3497 | } |
3498 | ||
46a19188 | 3499 | static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
52f843f6 DV |
3500 | uint32_t *val) |
3501 | { | |
46a19188 DV |
3502 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
3503 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3504 | ||
3505 | switch (*source) { | |
52f843f6 DV |
3506 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3507 | *val = PIPE_CRC_ENABLE | PIPE_CRC_INCLUDE_BORDER_I8XX; | |
3508 | break; | |
3509 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3510 | *val = 0; | |
3511 | break; | |
3512 | default: | |
3513 | return -EINVAL; | |
3514 | } | |
3515 | ||
3516 | return 0; | |
3517 | } | |
3518 | ||
46a19188 DV |
3519 | static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe, |
3520 | enum intel_pipe_crc_source *source) | |
3521 | { | |
3522 | struct intel_encoder *encoder; | |
3523 | struct intel_crtc *crtc; | |
26756809 | 3524 | struct intel_digital_port *dig_port; |
46a19188 DV |
3525 | int ret = 0; |
3526 | ||
3527 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3528 | ||
6e9f798d | 3529 | drm_modeset_lock_all(dev); |
b2784e15 | 3530 | for_each_intel_encoder(dev, encoder) { |
46a19188 DV |
3531 | if (!encoder->base.crtc) |
3532 | continue; | |
3533 | ||
3534 | crtc = to_intel_crtc(encoder->base.crtc); | |
3535 | ||
3536 | if (crtc->pipe != pipe) | |
3537 | continue; | |
3538 | ||
3539 | switch (encoder->type) { | |
3540 | case INTEL_OUTPUT_TVOUT: | |
3541 | *source = INTEL_PIPE_CRC_SOURCE_TV; | |
3542 | break; | |
3543 | case INTEL_OUTPUT_DISPLAYPORT: | |
3544 | case INTEL_OUTPUT_EDP: | |
26756809 DV |
3545 | dig_port = enc_to_dig_port(&encoder->base); |
3546 | switch (dig_port->port) { | |
3547 | case PORT_B: | |
3548 | *source = INTEL_PIPE_CRC_SOURCE_DP_B; | |
3549 | break; | |
3550 | case PORT_C: | |
3551 | *source = INTEL_PIPE_CRC_SOURCE_DP_C; | |
3552 | break; | |
3553 | case PORT_D: | |
3554 | *source = INTEL_PIPE_CRC_SOURCE_DP_D; | |
3555 | break; | |
3556 | default: | |
3557 | WARN(1, "nonexisting DP port %c\n", | |
3558 | port_name(dig_port->port)); | |
3559 | break; | |
3560 | } | |
46a19188 | 3561 | break; |
6847d71b PZ |
3562 | default: |
3563 | break; | |
46a19188 DV |
3564 | } |
3565 | } | |
6e9f798d | 3566 | drm_modeset_unlock_all(dev); |
46a19188 DV |
3567 | |
3568 | return ret; | |
3569 | } | |
3570 | ||
3571 | static int vlv_pipe_crc_ctl_reg(struct drm_device *dev, | |
3572 | enum pipe pipe, | |
3573 | enum intel_pipe_crc_source *source, | |
7ac0129b DV |
3574 | uint32_t *val) |
3575 | { | |
8d2f24ca DV |
3576 | struct drm_i915_private *dev_priv = dev->dev_private; |
3577 | bool need_stable_symbols = false; | |
3578 | ||
46a19188 DV |
3579 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
3580 | int ret = i9xx_pipe_crc_auto_source(dev, pipe, source); | |
3581 | if (ret) | |
3582 | return ret; | |
3583 | } | |
3584 | ||
3585 | switch (*source) { | |
7ac0129b DV |
3586 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3587 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV; | |
3588 | break; | |
3589 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
3590 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV; | |
8d2f24ca | 3591 | need_stable_symbols = true; |
7ac0129b DV |
3592 | break; |
3593 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
3594 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV; | |
8d2f24ca | 3595 | need_stable_symbols = true; |
7ac0129b | 3596 | break; |
2be57922 VS |
3597 | case INTEL_PIPE_CRC_SOURCE_DP_D: |
3598 | if (!IS_CHERRYVIEW(dev)) | |
3599 | return -EINVAL; | |
3600 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_VLV; | |
3601 | need_stable_symbols = true; | |
3602 | break; | |
7ac0129b DV |
3603 | case INTEL_PIPE_CRC_SOURCE_NONE: |
3604 | *val = 0; | |
3605 | break; | |
3606 | default: | |
3607 | return -EINVAL; | |
3608 | } | |
3609 | ||
8d2f24ca DV |
3610 | /* |
3611 | * When the pipe CRC tap point is after the transcoders we need | |
3612 | * to tweak symbol-level features to produce a deterministic series of | |
3613 | * symbols for a given frame. We need to reset those features only once | |
3614 | * a frame (instead of every nth symbol): | |
3615 | * - DC-balance: used to ensure a better clock recovery from the data | |
3616 | * link (SDVO) | |
3617 | * - DisplayPort scrambling: used for EMI reduction | |
3618 | */ | |
3619 | if (need_stable_symbols) { | |
3620 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3621 | ||
8d2f24ca | 3622 | tmp |= DC_BALANCE_RESET_VLV; |
eb736679 VS |
3623 | switch (pipe) { |
3624 | case PIPE_A: | |
8d2f24ca | 3625 | tmp |= PIPE_A_SCRAMBLE_RESET; |
eb736679 VS |
3626 | break; |
3627 | case PIPE_B: | |
8d2f24ca | 3628 | tmp |= PIPE_B_SCRAMBLE_RESET; |
eb736679 VS |
3629 | break; |
3630 | case PIPE_C: | |
3631 | tmp |= PIPE_C_SCRAMBLE_RESET; | |
3632 | break; | |
3633 | default: | |
3634 | return -EINVAL; | |
3635 | } | |
8d2f24ca DV |
3636 | I915_WRITE(PORT_DFT2_G4X, tmp); |
3637 | } | |
3638 | ||
7ac0129b DV |
3639 | return 0; |
3640 | } | |
3641 | ||
4b79ebf7 | 3642 | static int i9xx_pipe_crc_ctl_reg(struct drm_device *dev, |
46a19188 DV |
3643 | enum pipe pipe, |
3644 | enum intel_pipe_crc_source *source, | |
4b79ebf7 DV |
3645 | uint32_t *val) |
3646 | { | |
84093603 DV |
3647 | struct drm_i915_private *dev_priv = dev->dev_private; |
3648 | bool need_stable_symbols = false; | |
3649 | ||
46a19188 DV |
3650 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) { |
3651 | int ret = i9xx_pipe_crc_auto_source(dev, pipe, source); | |
3652 | if (ret) | |
3653 | return ret; | |
3654 | } | |
3655 | ||
3656 | switch (*source) { | |
4b79ebf7 DV |
3657 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3658 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_I9XX; | |
3659 | break; | |
3660 | case INTEL_PIPE_CRC_SOURCE_TV: | |
3661 | if (!SUPPORTS_TV(dev)) | |
3662 | return -EINVAL; | |
3663 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_TV_PRE; | |
3664 | break; | |
3665 | case INTEL_PIPE_CRC_SOURCE_DP_B: | |
3666 | if (!IS_G4X(dev)) | |
3667 | return -EINVAL; | |
3668 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_G4X; | |
84093603 | 3669 | need_stable_symbols = true; |
4b79ebf7 DV |
3670 | break; |
3671 | case INTEL_PIPE_CRC_SOURCE_DP_C: | |
3672 | if (!IS_G4X(dev)) | |
3673 | return -EINVAL; | |
3674 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_G4X; | |
84093603 | 3675 | need_stable_symbols = true; |
4b79ebf7 DV |
3676 | break; |
3677 | case INTEL_PIPE_CRC_SOURCE_DP_D: | |
3678 | if (!IS_G4X(dev)) | |
3679 | return -EINVAL; | |
3680 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_G4X; | |
84093603 | 3681 | need_stable_symbols = true; |
4b79ebf7 DV |
3682 | break; |
3683 | case INTEL_PIPE_CRC_SOURCE_NONE: | |
3684 | *val = 0; | |
3685 | break; | |
3686 | default: | |
3687 | return -EINVAL; | |
3688 | } | |
3689 | ||
84093603 DV |
3690 | /* |
3691 | * When the pipe CRC tap point is after the transcoders we need | |
3692 | * to tweak symbol-level features to produce a deterministic series of | |
3693 | * symbols for a given frame. We need to reset those features only once | |
3694 | * a frame (instead of every nth symbol): | |
3695 | * - DC-balance: used to ensure a better clock recovery from the data | |
3696 | * link (SDVO) | |
3697 | * - DisplayPort scrambling: used for EMI reduction | |
3698 | */ | |
3699 | if (need_stable_symbols) { | |
3700 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3701 | ||
3702 | WARN_ON(!IS_G4X(dev)); | |
3703 | ||
3704 | I915_WRITE(PORT_DFT_I9XX, | |
3705 | I915_READ(PORT_DFT_I9XX) | DC_BALANCE_RESET); | |
3706 | ||
3707 | if (pipe == PIPE_A) | |
3708 | tmp |= PIPE_A_SCRAMBLE_RESET; | |
3709 | else | |
3710 | tmp |= PIPE_B_SCRAMBLE_RESET; | |
3711 | ||
3712 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3713 | } | |
3714 | ||
4b79ebf7 DV |
3715 | return 0; |
3716 | } | |
3717 | ||
8d2f24ca DV |
3718 | static void vlv_undo_pipe_scramble_reset(struct drm_device *dev, |
3719 | enum pipe pipe) | |
3720 | { | |
3721 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3722 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3723 | ||
eb736679 VS |
3724 | switch (pipe) { |
3725 | case PIPE_A: | |
8d2f24ca | 3726 | tmp &= ~PIPE_A_SCRAMBLE_RESET; |
eb736679 VS |
3727 | break; |
3728 | case PIPE_B: | |
8d2f24ca | 3729 | tmp &= ~PIPE_B_SCRAMBLE_RESET; |
eb736679 VS |
3730 | break; |
3731 | case PIPE_C: | |
3732 | tmp &= ~PIPE_C_SCRAMBLE_RESET; | |
3733 | break; | |
3734 | default: | |
3735 | return; | |
3736 | } | |
8d2f24ca DV |
3737 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) |
3738 | tmp &= ~DC_BALANCE_RESET_VLV; | |
3739 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3740 | ||
3741 | } | |
3742 | ||
84093603 DV |
3743 | static void g4x_undo_pipe_scramble_reset(struct drm_device *dev, |
3744 | enum pipe pipe) | |
3745 | { | |
3746 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3747 | uint32_t tmp = I915_READ(PORT_DFT2_G4X); | |
3748 | ||
3749 | if (pipe == PIPE_A) | |
3750 | tmp &= ~PIPE_A_SCRAMBLE_RESET; | |
3751 | else | |
3752 | tmp &= ~PIPE_B_SCRAMBLE_RESET; | |
3753 | I915_WRITE(PORT_DFT2_G4X, tmp); | |
3754 | ||
3755 | if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) { | |
3756 | I915_WRITE(PORT_DFT_I9XX, | |
3757 | I915_READ(PORT_DFT_I9XX) & ~DC_BALANCE_RESET); | |
3758 | } | |
3759 | } | |
3760 | ||
46a19188 | 3761 | static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, |
5b3a856b DV |
3762 | uint32_t *val) |
3763 | { | |
46a19188 DV |
3764 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
3765 | *source = INTEL_PIPE_CRC_SOURCE_PIPE; | |
3766 | ||
3767 | switch (*source) { | |
5b3a856b DV |
3768 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
3769 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_ILK; | |
3770 | break; | |
3771 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
3772 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK; | |
3773 | break; | |
5b3a856b DV |
3774 | case INTEL_PIPE_CRC_SOURCE_PIPE: |
3775 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK; | |
3776 | break; | |
3d099a05 | 3777 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
3778 | *val = 0; |
3779 | break; | |
3d099a05 DV |
3780 | default: |
3781 | return -EINVAL; | |
5b3a856b DV |
3782 | } |
3783 | ||
3784 | return 0; | |
3785 | } | |
3786 | ||
c4e2d043 | 3787 | static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device *dev, bool enable) |
fabf6e51 DV |
3788 | { |
3789 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3790 | struct intel_crtc *crtc = | |
3791 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]); | |
f77076c9 | 3792 | struct intel_crtc_state *pipe_config; |
c4e2d043 ML |
3793 | struct drm_atomic_state *state; |
3794 | int ret = 0; | |
fabf6e51 DV |
3795 | |
3796 | drm_modeset_lock_all(dev); | |
c4e2d043 ML |
3797 | state = drm_atomic_state_alloc(dev); |
3798 | if (!state) { | |
3799 | ret = -ENOMEM; | |
3800 | goto out; | |
fabf6e51 | 3801 | } |
fabf6e51 | 3802 | |
c4e2d043 ML |
3803 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(&crtc->base); |
3804 | pipe_config = intel_atomic_get_crtc_state(state, crtc); | |
3805 | if (IS_ERR(pipe_config)) { | |
3806 | ret = PTR_ERR(pipe_config); | |
3807 | goto out; | |
3808 | } | |
fabf6e51 | 3809 | |
c4e2d043 ML |
3810 | pipe_config->pch_pfit.force_thru = enable; |
3811 | if (pipe_config->cpu_transcoder == TRANSCODER_EDP && | |
3812 | pipe_config->pch_pfit.enabled != enable) | |
3813 | pipe_config->base.connectors_changed = true; | |
1b509259 | 3814 | |
c4e2d043 ML |
3815 | ret = drm_atomic_commit(state); |
3816 | out: | |
fabf6e51 | 3817 | drm_modeset_unlock_all(dev); |
c4e2d043 ML |
3818 | WARN(ret, "Toggling workaround to %i returns %i\n", enable, ret); |
3819 | if (ret) | |
3820 | drm_atomic_state_free(state); | |
fabf6e51 DV |
3821 | } |
3822 | ||
3823 | static int ivb_pipe_crc_ctl_reg(struct drm_device *dev, | |
3824 | enum pipe pipe, | |
3825 | enum intel_pipe_crc_source *source, | |
5b3a856b DV |
3826 | uint32_t *val) |
3827 | { | |
46a19188 DV |
3828 | if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) |
3829 | *source = INTEL_PIPE_CRC_SOURCE_PF; | |
3830 | ||
3831 | switch (*source) { | |
5b3a856b DV |
3832 | case INTEL_PIPE_CRC_SOURCE_PLANE1: |
3833 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB; | |
3834 | break; | |
3835 | case INTEL_PIPE_CRC_SOURCE_PLANE2: | |
3836 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB; | |
3837 | break; | |
3838 | case INTEL_PIPE_CRC_SOURCE_PF: | |
fabf6e51 | 3839 | if (IS_HASWELL(dev) && pipe == PIPE_A) |
c4e2d043 | 3840 | hsw_trans_edp_pipe_A_crc_wa(dev, true); |
fabf6e51 | 3841 | |
5b3a856b DV |
3842 | *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; |
3843 | break; | |
3d099a05 | 3844 | case INTEL_PIPE_CRC_SOURCE_NONE: |
5b3a856b DV |
3845 | *val = 0; |
3846 | break; | |
3d099a05 DV |
3847 | default: |
3848 | return -EINVAL; | |
5b3a856b DV |
3849 | } |
3850 | ||
3851 | return 0; | |
3852 | } | |
3853 | ||
926321d5 DV |
3854 | static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, |
3855 | enum intel_pipe_crc_source source) | |
3856 | { | |
3857 | struct drm_i915_private *dev_priv = dev->dev_private; | |
cc3da175 | 3858 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
8c740dce PZ |
3859 | struct intel_crtc *crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, |
3860 | pipe)); | |
432f3342 | 3861 | u32 val = 0; /* shut up gcc */ |
5b3a856b | 3862 | int ret; |
926321d5 | 3863 | |
cc3da175 DL |
3864 | if (pipe_crc->source == source) |
3865 | return 0; | |
3866 | ||
ae676fcd DL |
3867 | /* forbid changing the source without going back to 'none' */ |
3868 | if (pipe_crc->source && source) | |
3869 | return -EINVAL; | |
3870 | ||
9d8b0588 DV |
3871 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PIPE(pipe))) { |
3872 | DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n"); | |
3873 | return -EIO; | |
3874 | } | |
3875 | ||
52f843f6 | 3876 | if (IS_GEN2(dev)) |
46a19188 | 3877 | ret = i8xx_pipe_crc_ctl_reg(&source, &val); |
52f843f6 | 3878 | else if (INTEL_INFO(dev)->gen < 5) |
46a19188 | 3879 | ret = i9xx_pipe_crc_ctl_reg(dev, pipe, &source, &val); |
7ac0129b | 3880 | else if (IS_VALLEYVIEW(dev)) |
fabf6e51 | 3881 | ret = vlv_pipe_crc_ctl_reg(dev, pipe, &source, &val); |
4b79ebf7 | 3882 | else if (IS_GEN5(dev) || IS_GEN6(dev)) |
46a19188 | 3883 | ret = ilk_pipe_crc_ctl_reg(&source, &val); |
5b3a856b | 3884 | else |
fabf6e51 | 3885 | ret = ivb_pipe_crc_ctl_reg(dev, pipe, &source, &val); |
5b3a856b DV |
3886 | |
3887 | if (ret != 0) | |
3888 | return ret; | |
3889 | ||
4b584369 DL |
3890 | /* none -> real source transition */ |
3891 | if (source) { | |
4252fbc3 VS |
3892 | struct intel_pipe_crc_entry *entries; |
3893 | ||
7cd6ccff DL |
3894 | DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n", |
3895 | pipe_name(pipe), pipe_crc_source_name(source)); | |
3896 | ||
3cf54b34 VS |
3897 | entries = kcalloc(INTEL_PIPE_CRC_ENTRIES_NR, |
3898 | sizeof(pipe_crc->entries[0]), | |
4252fbc3 VS |
3899 | GFP_KERNEL); |
3900 | if (!entries) | |
e5f75aca DL |
3901 | return -ENOMEM; |
3902 | ||
8c740dce PZ |
3903 | /* |
3904 | * When IPS gets enabled, the pipe CRC changes. Since IPS gets | |
3905 | * enabled and disabled dynamically based on package C states, | |
3906 | * user space can't make reliable use of the CRCs, so let's just | |
3907 | * completely disable it. | |
3908 | */ | |
3909 | hsw_disable_ips(crtc); | |
3910 | ||
d538bbdf | 3911 | spin_lock_irq(&pipe_crc->lock); |
64387b61 | 3912 | kfree(pipe_crc->entries); |
4252fbc3 | 3913 | pipe_crc->entries = entries; |
d538bbdf DL |
3914 | pipe_crc->head = 0; |
3915 | pipe_crc->tail = 0; | |
3916 | spin_unlock_irq(&pipe_crc->lock); | |
4b584369 DL |
3917 | } |
3918 | ||
cc3da175 | 3919 | pipe_crc->source = source; |
926321d5 | 3920 | |
926321d5 DV |
3921 | I915_WRITE(PIPE_CRC_CTL(pipe), val); |
3922 | POSTING_READ(PIPE_CRC_CTL(pipe)); | |
3923 | ||
e5f75aca DL |
3924 | /* real source -> none transition */ |
3925 | if (source == INTEL_PIPE_CRC_SOURCE_NONE) { | |
d538bbdf | 3926 | struct intel_pipe_crc_entry *entries; |
a33d7105 DV |
3927 | struct intel_crtc *crtc = |
3928 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
d538bbdf | 3929 | |
7cd6ccff DL |
3930 | DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n", |
3931 | pipe_name(pipe)); | |
3932 | ||
a33d7105 | 3933 | drm_modeset_lock(&crtc->base.mutex, NULL); |
f77076c9 | 3934 | if (crtc->base.state->active) |
a33d7105 DV |
3935 | intel_wait_for_vblank(dev, pipe); |
3936 | drm_modeset_unlock(&crtc->base.mutex); | |
bcf17ab2 | 3937 | |
d538bbdf DL |
3938 | spin_lock_irq(&pipe_crc->lock); |
3939 | entries = pipe_crc->entries; | |
e5f75aca | 3940 | pipe_crc->entries = NULL; |
9ad6d99f VS |
3941 | pipe_crc->head = 0; |
3942 | pipe_crc->tail = 0; | |
d538bbdf DL |
3943 | spin_unlock_irq(&pipe_crc->lock); |
3944 | ||
3945 | kfree(entries); | |
84093603 DV |
3946 | |
3947 | if (IS_G4X(dev)) | |
3948 | g4x_undo_pipe_scramble_reset(dev, pipe); | |
8d2f24ca DV |
3949 | else if (IS_VALLEYVIEW(dev)) |
3950 | vlv_undo_pipe_scramble_reset(dev, pipe); | |
fabf6e51 | 3951 | else if (IS_HASWELL(dev) && pipe == PIPE_A) |
c4e2d043 | 3952 | hsw_trans_edp_pipe_A_crc_wa(dev, false); |
8c740dce PZ |
3953 | |
3954 | hsw_enable_ips(crtc); | |
e5f75aca DL |
3955 | } |
3956 | ||
926321d5 DV |
3957 | return 0; |
3958 | } | |
3959 | ||
3960 | /* | |
3961 | * Parse pipe CRC command strings: | |
b94dec87 DL |
3962 | * command: wsp* object wsp+ name wsp+ source wsp* |
3963 | * object: 'pipe' | |
3964 | * name: (A | B | C) | |
926321d5 DV |
3965 | * source: (none | plane1 | plane2 | pf) |
3966 | * wsp: (#0x20 | #0x9 | #0xA)+ | |
3967 | * | |
3968 | * eg.: | |
b94dec87 DL |
3969 | * "pipe A plane1" -> Start CRC computations on plane1 of pipe A |
3970 | * "pipe A none" -> Stop CRC | |
926321d5 | 3971 | */ |
bd9db02f | 3972 | static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words) |
926321d5 DV |
3973 | { |
3974 | int n_words = 0; | |
3975 | ||
3976 | while (*buf) { | |
3977 | char *end; | |
3978 | ||
3979 | /* skip leading white space */ | |
3980 | buf = skip_spaces(buf); | |
3981 | if (!*buf) | |
3982 | break; /* end of buffer */ | |
3983 | ||
3984 | /* find end of word */ | |
3985 | for (end = buf; *end && !isspace(*end); end++) | |
3986 | ; | |
3987 | ||
3988 | if (n_words == max_words) { | |
3989 | DRM_DEBUG_DRIVER("too many words, allowed <= %d\n", | |
3990 | max_words); | |
3991 | return -EINVAL; /* ran out of words[] before bytes */ | |
3992 | } | |
3993 | ||
3994 | if (*end) | |
3995 | *end++ = '\0'; | |
3996 | words[n_words++] = buf; | |
3997 | buf = end; | |
3998 | } | |
3999 | ||
4000 | return n_words; | |
4001 | } | |
4002 | ||
b94dec87 DL |
4003 | enum intel_pipe_crc_object { |
4004 | PIPE_CRC_OBJECT_PIPE, | |
4005 | }; | |
4006 | ||
e8dfcf78 | 4007 | static const char * const pipe_crc_objects[] = { |
b94dec87 DL |
4008 | "pipe", |
4009 | }; | |
4010 | ||
4011 | static int | |
bd9db02f | 4012 | display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o) |
b94dec87 DL |
4013 | { |
4014 | int i; | |
4015 | ||
4016 | for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++) | |
4017 | if (!strcmp(buf, pipe_crc_objects[i])) { | |
bd9db02f | 4018 | *o = i; |
b94dec87 DL |
4019 | return 0; |
4020 | } | |
4021 | ||
4022 | return -EINVAL; | |
4023 | } | |
4024 | ||
bd9db02f | 4025 | static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe) |
926321d5 DV |
4026 | { |
4027 | const char name = buf[0]; | |
4028 | ||
4029 | if (name < 'A' || name >= pipe_name(I915_MAX_PIPES)) | |
4030 | return -EINVAL; | |
4031 | ||
4032 | *pipe = name - 'A'; | |
4033 | ||
4034 | return 0; | |
4035 | } | |
4036 | ||
4037 | static int | |
bd9db02f | 4038 | display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s) |
926321d5 DV |
4039 | { |
4040 | int i; | |
4041 | ||
4042 | for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++) | |
4043 | if (!strcmp(buf, pipe_crc_sources[i])) { | |
bd9db02f | 4044 | *s = i; |
926321d5 DV |
4045 | return 0; |
4046 | } | |
4047 | ||
4048 | return -EINVAL; | |
4049 | } | |
4050 | ||
bd9db02f | 4051 | static int display_crc_ctl_parse(struct drm_device *dev, char *buf, size_t len) |
926321d5 | 4052 | { |
b94dec87 | 4053 | #define N_WORDS 3 |
926321d5 | 4054 | int n_words; |
b94dec87 | 4055 | char *words[N_WORDS]; |
926321d5 | 4056 | enum pipe pipe; |
b94dec87 | 4057 | enum intel_pipe_crc_object object; |
926321d5 DV |
4058 | enum intel_pipe_crc_source source; |
4059 | ||
bd9db02f | 4060 | n_words = display_crc_ctl_tokenize(buf, words, N_WORDS); |
b94dec87 DL |
4061 | if (n_words != N_WORDS) { |
4062 | DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n", | |
4063 | N_WORDS); | |
4064 | return -EINVAL; | |
4065 | } | |
4066 | ||
bd9db02f | 4067 | if (display_crc_ctl_parse_object(words[0], &object) < 0) { |
b94dec87 | 4068 | DRM_DEBUG_DRIVER("unknown object %s\n", words[0]); |
926321d5 DV |
4069 | return -EINVAL; |
4070 | } | |
4071 | ||
bd9db02f | 4072 | if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) { |
b94dec87 | 4073 | DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]); |
926321d5 DV |
4074 | return -EINVAL; |
4075 | } | |
4076 | ||
bd9db02f | 4077 | if (display_crc_ctl_parse_source(words[2], &source) < 0) { |
b94dec87 | 4078 | DRM_DEBUG_DRIVER("unknown source %s\n", words[2]); |
926321d5 DV |
4079 | return -EINVAL; |
4080 | } | |
4081 | ||
4082 | return pipe_crc_set_source(dev, pipe, source); | |
4083 | } | |
4084 | ||
bd9db02f DL |
4085 | static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf, |
4086 | size_t len, loff_t *offp) | |
926321d5 DV |
4087 | { |
4088 | struct seq_file *m = file->private_data; | |
4089 | struct drm_device *dev = m->private; | |
4090 | char *tmpbuf; | |
4091 | int ret; | |
4092 | ||
4093 | if (len == 0) | |
4094 | return 0; | |
4095 | ||
4096 | if (len > PAGE_SIZE - 1) { | |
4097 | DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n", | |
4098 | PAGE_SIZE); | |
4099 | return -E2BIG; | |
4100 | } | |
4101 | ||
4102 | tmpbuf = kmalloc(len + 1, GFP_KERNEL); | |
4103 | if (!tmpbuf) | |
4104 | return -ENOMEM; | |
4105 | ||
4106 | if (copy_from_user(tmpbuf, ubuf, len)) { | |
4107 | ret = -EFAULT; | |
4108 | goto out; | |
4109 | } | |
4110 | tmpbuf[len] = '\0'; | |
4111 | ||
bd9db02f | 4112 | ret = display_crc_ctl_parse(dev, tmpbuf, len); |
926321d5 DV |
4113 | |
4114 | out: | |
4115 | kfree(tmpbuf); | |
4116 | if (ret < 0) | |
4117 | return ret; | |
4118 | ||
4119 | *offp += len; | |
4120 | return len; | |
4121 | } | |
4122 | ||
bd9db02f | 4123 | static const struct file_operations i915_display_crc_ctl_fops = { |
926321d5 | 4124 | .owner = THIS_MODULE, |
bd9db02f | 4125 | .open = display_crc_ctl_open, |
926321d5 DV |
4126 | .read = seq_read, |
4127 | .llseek = seq_lseek, | |
4128 | .release = single_release, | |
bd9db02f | 4129 | .write = display_crc_ctl_write |
926321d5 DV |
4130 | }; |
4131 | ||
eb3394fa TP |
4132 | static ssize_t i915_displayport_test_active_write(struct file *file, |
4133 | const char __user *ubuf, | |
4134 | size_t len, loff_t *offp) | |
4135 | { | |
4136 | char *input_buffer; | |
4137 | int status = 0; | |
eb3394fa TP |
4138 | struct drm_device *dev; |
4139 | struct drm_connector *connector; | |
4140 | struct list_head *connector_list; | |
4141 | struct intel_dp *intel_dp; | |
4142 | int val = 0; | |
4143 | ||
9aaffa34 | 4144 | dev = ((struct seq_file *)file->private_data)->private; |
eb3394fa | 4145 | |
eb3394fa TP |
4146 | connector_list = &dev->mode_config.connector_list; |
4147 | ||
4148 | if (len == 0) | |
4149 | return 0; | |
4150 | ||
4151 | input_buffer = kmalloc(len + 1, GFP_KERNEL); | |
4152 | if (!input_buffer) | |
4153 | return -ENOMEM; | |
4154 | ||
4155 | if (copy_from_user(input_buffer, ubuf, len)) { | |
4156 | status = -EFAULT; | |
4157 | goto out; | |
4158 | } | |
4159 | ||
4160 | input_buffer[len] = '\0'; | |
4161 | DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len); | |
4162 | ||
4163 | list_for_each_entry(connector, connector_list, head) { | |
4164 | ||
4165 | if (connector->connector_type != | |
4166 | DRM_MODE_CONNECTOR_DisplayPort) | |
4167 | continue; | |
4168 | ||
b8bb08ec | 4169 | if (connector->status == connector_status_connected && |
eb3394fa TP |
4170 | connector->encoder != NULL) { |
4171 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4172 | status = kstrtoint(input_buffer, 10, &val); | |
4173 | if (status < 0) | |
4174 | goto out; | |
4175 | DRM_DEBUG_DRIVER("Got %d for test active\n", val); | |
4176 | /* To prevent erroneous activation of the compliance | |
4177 | * testing code, only accept an actual value of 1 here | |
4178 | */ | |
4179 | if (val == 1) | |
4180 | intel_dp->compliance_test_active = 1; | |
4181 | else | |
4182 | intel_dp->compliance_test_active = 0; | |
4183 | } | |
4184 | } | |
4185 | out: | |
4186 | kfree(input_buffer); | |
4187 | if (status < 0) | |
4188 | return status; | |
4189 | ||
4190 | *offp += len; | |
4191 | return len; | |
4192 | } | |
4193 | ||
4194 | static int i915_displayport_test_active_show(struct seq_file *m, void *data) | |
4195 | { | |
4196 | struct drm_device *dev = m->private; | |
4197 | struct drm_connector *connector; | |
4198 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4199 | struct intel_dp *intel_dp; | |
4200 | ||
eb3394fa TP |
4201 | list_for_each_entry(connector, connector_list, head) { |
4202 | ||
4203 | if (connector->connector_type != | |
4204 | DRM_MODE_CONNECTOR_DisplayPort) | |
4205 | continue; | |
4206 | ||
4207 | if (connector->status == connector_status_connected && | |
4208 | connector->encoder != NULL) { | |
4209 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4210 | if (intel_dp->compliance_test_active) | |
4211 | seq_puts(m, "1"); | |
4212 | else | |
4213 | seq_puts(m, "0"); | |
4214 | } else | |
4215 | seq_puts(m, "0"); | |
4216 | } | |
4217 | ||
4218 | return 0; | |
4219 | } | |
4220 | ||
4221 | static int i915_displayport_test_active_open(struct inode *inode, | |
4222 | struct file *file) | |
4223 | { | |
4224 | struct drm_device *dev = inode->i_private; | |
4225 | ||
4226 | return single_open(file, i915_displayport_test_active_show, dev); | |
4227 | } | |
4228 | ||
4229 | static const struct file_operations i915_displayport_test_active_fops = { | |
4230 | .owner = THIS_MODULE, | |
4231 | .open = i915_displayport_test_active_open, | |
4232 | .read = seq_read, | |
4233 | .llseek = seq_lseek, | |
4234 | .release = single_release, | |
4235 | .write = i915_displayport_test_active_write | |
4236 | }; | |
4237 | ||
4238 | static int i915_displayport_test_data_show(struct seq_file *m, void *data) | |
4239 | { | |
4240 | struct drm_device *dev = m->private; | |
4241 | struct drm_connector *connector; | |
4242 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4243 | struct intel_dp *intel_dp; | |
4244 | ||
eb3394fa TP |
4245 | list_for_each_entry(connector, connector_list, head) { |
4246 | ||
4247 | if (connector->connector_type != | |
4248 | DRM_MODE_CONNECTOR_DisplayPort) | |
4249 | continue; | |
4250 | ||
4251 | if (connector->status == connector_status_connected && | |
4252 | connector->encoder != NULL) { | |
4253 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4254 | seq_printf(m, "%lx", intel_dp->compliance_test_data); | |
4255 | } else | |
4256 | seq_puts(m, "0"); | |
4257 | } | |
4258 | ||
4259 | return 0; | |
4260 | } | |
4261 | static int i915_displayport_test_data_open(struct inode *inode, | |
4262 | struct file *file) | |
4263 | { | |
4264 | struct drm_device *dev = inode->i_private; | |
4265 | ||
4266 | return single_open(file, i915_displayport_test_data_show, dev); | |
4267 | } | |
4268 | ||
4269 | static const struct file_operations i915_displayport_test_data_fops = { | |
4270 | .owner = THIS_MODULE, | |
4271 | .open = i915_displayport_test_data_open, | |
4272 | .read = seq_read, | |
4273 | .llseek = seq_lseek, | |
4274 | .release = single_release | |
4275 | }; | |
4276 | ||
4277 | static int i915_displayport_test_type_show(struct seq_file *m, void *data) | |
4278 | { | |
4279 | struct drm_device *dev = m->private; | |
4280 | struct drm_connector *connector; | |
4281 | struct list_head *connector_list = &dev->mode_config.connector_list; | |
4282 | struct intel_dp *intel_dp; | |
4283 | ||
eb3394fa TP |
4284 | list_for_each_entry(connector, connector_list, head) { |
4285 | ||
4286 | if (connector->connector_type != | |
4287 | DRM_MODE_CONNECTOR_DisplayPort) | |
4288 | continue; | |
4289 | ||
4290 | if (connector->status == connector_status_connected && | |
4291 | connector->encoder != NULL) { | |
4292 | intel_dp = enc_to_intel_dp(connector->encoder); | |
4293 | seq_printf(m, "%02lx", intel_dp->compliance_test_type); | |
4294 | } else | |
4295 | seq_puts(m, "0"); | |
4296 | } | |
4297 | ||
4298 | return 0; | |
4299 | } | |
4300 | ||
4301 | static int i915_displayport_test_type_open(struct inode *inode, | |
4302 | struct file *file) | |
4303 | { | |
4304 | struct drm_device *dev = inode->i_private; | |
4305 | ||
4306 | return single_open(file, i915_displayport_test_type_show, dev); | |
4307 | } | |
4308 | ||
4309 | static const struct file_operations i915_displayport_test_type_fops = { | |
4310 | .owner = THIS_MODULE, | |
4311 | .open = i915_displayport_test_type_open, | |
4312 | .read = seq_read, | |
4313 | .llseek = seq_lseek, | |
4314 | .release = single_release | |
4315 | }; | |
4316 | ||
97e94b22 | 4317 | static void wm_latency_show(struct seq_file *m, const uint16_t wm[8]) |
369a1342 VS |
4318 | { |
4319 | struct drm_device *dev = m->private; | |
369a1342 | 4320 | int level; |
de38b95c VS |
4321 | int num_levels; |
4322 | ||
4323 | if (IS_CHERRYVIEW(dev)) | |
4324 | num_levels = 3; | |
4325 | else if (IS_VALLEYVIEW(dev)) | |
4326 | num_levels = 1; | |
4327 | else | |
4328 | num_levels = ilk_wm_max_level(dev) + 1; | |
369a1342 VS |
4329 | |
4330 | drm_modeset_lock_all(dev); | |
4331 | ||
4332 | for (level = 0; level < num_levels; level++) { | |
4333 | unsigned int latency = wm[level]; | |
4334 | ||
97e94b22 DL |
4335 | /* |
4336 | * - WM1+ latency values in 0.5us units | |
de38b95c | 4337 | * - latencies are in us on gen9/vlv/chv |
97e94b22 | 4338 | */ |
de38b95c | 4339 | if (INTEL_INFO(dev)->gen >= 9 || IS_VALLEYVIEW(dev)) |
97e94b22 DL |
4340 | latency *= 10; |
4341 | else if (level > 0) | |
369a1342 VS |
4342 | latency *= 5; |
4343 | ||
4344 | seq_printf(m, "WM%d %u (%u.%u usec)\n", | |
97e94b22 | 4345 | level, wm[level], latency / 10, latency % 10); |
369a1342 VS |
4346 | } |
4347 | ||
4348 | drm_modeset_unlock_all(dev); | |
4349 | } | |
4350 | ||
4351 | static int pri_wm_latency_show(struct seq_file *m, void *data) | |
4352 | { | |
4353 | struct drm_device *dev = m->private; | |
97e94b22 DL |
4354 | struct drm_i915_private *dev_priv = dev->dev_private; |
4355 | const uint16_t *latencies; | |
4356 | ||
4357 | if (INTEL_INFO(dev)->gen >= 9) | |
4358 | latencies = dev_priv->wm.skl_latency; | |
4359 | else | |
4360 | latencies = to_i915(dev)->wm.pri_latency; | |
369a1342 | 4361 | |
97e94b22 | 4362 | wm_latency_show(m, latencies); |
369a1342 VS |
4363 | |
4364 | return 0; | |
4365 | } | |
4366 | ||
4367 | static int spr_wm_latency_show(struct seq_file *m, void *data) | |
4368 | { | |
4369 | struct drm_device *dev = m->private; | |
97e94b22 DL |
4370 | struct drm_i915_private *dev_priv = dev->dev_private; |
4371 | const uint16_t *latencies; | |
4372 | ||
4373 | if (INTEL_INFO(dev)->gen >= 9) | |
4374 | latencies = dev_priv->wm.skl_latency; | |
4375 | else | |
4376 | latencies = to_i915(dev)->wm.spr_latency; | |
369a1342 | 4377 | |
97e94b22 | 4378 | wm_latency_show(m, latencies); |
369a1342 VS |
4379 | |
4380 | return 0; | |
4381 | } | |
4382 | ||
4383 | static int cur_wm_latency_show(struct seq_file *m, void *data) | |
4384 | { | |
4385 | struct drm_device *dev = m->private; | |
97e94b22 DL |
4386 | struct drm_i915_private *dev_priv = dev->dev_private; |
4387 | const uint16_t *latencies; | |
4388 | ||
4389 | if (INTEL_INFO(dev)->gen >= 9) | |
4390 | latencies = dev_priv->wm.skl_latency; | |
4391 | else | |
4392 | latencies = to_i915(dev)->wm.cur_latency; | |
369a1342 | 4393 | |
97e94b22 | 4394 | wm_latency_show(m, latencies); |
369a1342 VS |
4395 | |
4396 | return 0; | |
4397 | } | |
4398 | ||
4399 | static int pri_wm_latency_open(struct inode *inode, struct file *file) | |
4400 | { | |
4401 | struct drm_device *dev = inode->i_private; | |
4402 | ||
de38b95c | 4403 | if (INTEL_INFO(dev)->gen < 5) |
369a1342 VS |
4404 | return -ENODEV; |
4405 | ||
4406 | return single_open(file, pri_wm_latency_show, dev); | |
4407 | } | |
4408 | ||
4409 | static int spr_wm_latency_open(struct inode *inode, struct file *file) | |
4410 | { | |
4411 | struct drm_device *dev = inode->i_private; | |
4412 | ||
9ad0257c | 4413 | if (HAS_GMCH_DISPLAY(dev)) |
369a1342 VS |
4414 | return -ENODEV; |
4415 | ||
4416 | return single_open(file, spr_wm_latency_show, dev); | |
4417 | } | |
4418 | ||
4419 | static int cur_wm_latency_open(struct inode *inode, struct file *file) | |
4420 | { | |
4421 | struct drm_device *dev = inode->i_private; | |
4422 | ||
9ad0257c | 4423 | if (HAS_GMCH_DISPLAY(dev)) |
369a1342 VS |
4424 | return -ENODEV; |
4425 | ||
4426 | return single_open(file, cur_wm_latency_show, dev); | |
4427 | } | |
4428 | ||
4429 | static ssize_t wm_latency_write(struct file *file, const char __user *ubuf, | |
97e94b22 | 4430 | size_t len, loff_t *offp, uint16_t wm[8]) |
369a1342 VS |
4431 | { |
4432 | struct seq_file *m = file->private_data; | |
4433 | struct drm_device *dev = m->private; | |
97e94b22 | 4434 | uint16_t new[8] = { 0 }; |
de38b95c | 4435 | int num_levels; |
369a1342 VS |
4436 | int level; |
4437 | int ret; | |
4438 | char tmp[32]; | |
4439 | ||
de38b95c VS |
4440 | if (IS_CHERRYVIEW(dev)) |
4441 | num_levels = 3; | |
4442 | else if (IS_VALLEYVIEW(dev)) | |
4443 | num_levels = 1; | |
4444 | else | |
4445 | num_levels = ilk_wm_max_level(dev) + 1; | |
4446 | ||
369a1342 VS |
4447 | if (len >= sizeof(tmp)) |
4448 | return -EINVAL; | |
4449 | ||
4450 | if (copy_from_user(tmp, ubuf, len)) | |
4451 | return -EFAULT; | |
4452 | ||
4453 | tmp[len] = '\0'; | |
4454 | ||
97e94b22 DL |
4455 | ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu", |
4456 | &new[0], &new[1], &new[2], &new[3], | |
4457 | &new[4], &new[5], &new[6], &new[7]); | |
369a1342 VS |
4458 | if (ret != num_levels) |
4459 | return -EINVAL; | |
4460 | ||
4461 | drm_modeset_lock_all(dev); | |
4462 | ||
4463 | for (level = 0; level < num_levels; level++) | |
4464 | wm[level] = new[level]; | |
4465 | ||
4466 | drm_modeset_unlock_all(dev); | |
4467 | ||
4468 | return len; | |
4469 | } | |
4470 | ||
4471 | ||
4472 | static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf, | |
4473 | size_t len, loff_t *offp) | |
4474 | { | |
4475 | struct seq_file *m = file->private_data; | |
4476 | struct drm_device *dev = m->private; | |
97e94b22 DL |
4477 | struct drm_i915_private *dev_priv = dev->dev_private; |
4478 | uint16_t *latencies; | |
369a1342 | 4479 | |
97e94b22 DL |
4480 | if (INTEL_INFO(dev)->gen >= 9) |
4481 | latencies = dev_priv->wm.skl_latency; | |
4482 | else | |
4483 | latencies = to_i915(dev)->wm.pri_latency; | |
4484 | ||
4485 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
4486 | } |
4487 | ||
4488 | static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf, | |
4489 | size_t len, loff_t *offp) | |
4490 | { | |
4491 | struct seq_file *m = file->private_data; | |
4492 | struct drm_device *dev = m->private; | |
97e94b22 DL |
4493 | struct drm_i915_private *dev_priv = dev->dev_private; |
4494 | uint16_t *latencies; | |
369a1342 | 4495 | |
97e94b22 DL |
4496 | if (INTEL_INFO(dev)->gen >= 9) |
4497 | latencies = dev_priv->wm.skl_latency; | |
4498 | else | |
4499 | latencies = to_i915(dev)->wm.spr_latency; | |
4500 | ||
4501 | return wm_latency_write(file, ubuf, len, offp, latencies); | |
369a1342 VS |
4502 | } |
4503 | ||
4504 | static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf, | |
4505 | size_t len, loff_t *offp) | |
4506 | { | |
4507 | struct seq_file *m = file->private_data; | |
4508 | struct drm_device *dev = m->private; | |
97e94b22 DL |
4509 | struct drm_i915_private *dev_priv = dev->dev_private; |
4510 | uint16_t *latencies; | |
4511 | ||
4512 | if (INTEL_INFO(dev)->gen >= 9) | |
4513 | latencies = dev_priv->wm.skl_latency; | |
4514 | else | |
4515 | latencies = to_i915(dev)->wm.cur_latency; | |
369a1342 | 4516 | |
97e94b22 | 4517 | return wm_latency_write(file, ubuf, len, offp, latencies); |
369a1342 VS |
4518 | } |
4519 | ||
4520 | static const struct file_operations i915_pri_wm_latency_fops = { | |
4521 | .owner = THIS_MODULE, | |
4522 | .open = pri_wm_latency_open, | |
4523 | .read = seq_read, | |
4524 | .llseek = seq_lseek, | |
4525 | .release = single_release, | |
4526 | .write = pri_wm_latency_write | |
4527 | }; | |
4528 | ||
4529 | static const struct file_operations i915_spr_wm_latency_fops = { | |
4530 | .owner = THIS_MODULE, | |
4531 | .open = spr_wm_latency_open, | |
4532 | .read = seq_read, | |
4533 | .llseek = seq_lseek, | |
4534 | .release = single_release, | |
4535 | .write = spr_wm_latency_write | |
4536 | }; | |
4537 | ||
4538 | static const struct file_operations i915_cur_wm_latency_fops = { | |
4539 | .owner = THIS_MODULE, | |
4540 | .open = cur_wm_latency_open, | |
4541 | .read = seq_read, | |
4542 | .llseek = seq_lseek, | |
4543 | .release = single_release, | |
4544 | .write = cur_wm_latency_write | |
4545 | }; | |
4546 | ||
647416f9 KC |
4547 | static int |
4548 | i915_wedged_get(void *data, u64 *val) | |
f3cd474b | 4549 | { |
647416f9 | 4550 | struct drm_device *dev = data; |
e277a1f8 | 4551 | struct drm_i915_private *dev_priv = dev->dev_private; |
f3cd474b | 4552 | |
647416f9 | 4553 | *val = atomic_read(&dev_priv->gpu_error.reset_counter); |
f3cd474b | 4554 | |
647416f9 | 4555 | return 0; |
f3cd474b CW |
4556 | } |
4557 | ||
647416f9 KC |
4558 | static int |
4559 | i915_wedged_set(void *data, u64 val) | |
f3cd474b | 4560 | { |
647416f9 | 4561 | struct drm_device *dev = data; |
d46c0517 ID |
4562 | struct drm_i915_private *dev_priv = dev->dev_private; |
4563 | ||
b8d24a06 MK |
4564 | /* |
4565 | * There is no safeguard against this debugfs entry colliding | |
4566 | * with the hangcheck calling same i915_handle_error() in | |
4567 | * parallel, causing an explosion. For now we assume that the | |
4568 | * test harness is responsible enough not to inject gpu hangs | |
4569 | * while it is writing to 'i915_wedged' | |
4570 | */ | |
4571 | ||
4572 | if (i915_reset_in_progress(&dev_priv->gpu_error)) | |
4573 | return -EAGAIN; | |
4574 | ||
d46c0517 | 4575 | intel_runtime_pm_get(dev_priv); |
f3cd474b | 4576 | |
58174462 MK |
4577 | i915_handle_error(dev, val, |
4578 | "Manually setting wedged to %llu", val); | |
d46c0517 ID |
4579 | |
4580 | intel_runtime_pm_put(dev_priv); | |
4581 | ||
647416f9 | 4582 | return 0; |
f3cd474b CW |
4583 | } |
4584 | ||
647416f9 KC |
4585 | DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, |
4586 | i915_wedged_get, i915_wedged_set, | |
3a3b4f98 | 4587 | "%llu\n"); |
f3cd474b | 4588 | |
647416f9 KC |
4589 | static int |
4590 | i915_ring_stop_get(void *data, u64 *val) | |
e5eb3d63 | 4591 | { |
647416f9 | 4592 | struct drm_device *dev = data; |
e277a1f8 | 4593 | struct drm_i915_private *dev_priv = dev->dev_private; |
e5eb3d63 | 4594 | |
647416f9 | 4595 | *val = dev_priv->gpu_error.stop_rings; |
e5eb3d63 | 4596 | |
647416f9 | 4597 | return 0; |
e5eb3d63 DV |
4598 | } |
4599 | ||
647416f9 KC |
4600 | static int |
4601 | i915_ring_stop_set(void *data, u64 val) | |
e5eb3d63 | 4602 | { |
647416f9 | 4603 | struct drm_device *dev = data; |
e5eb3d63 | 4604 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 4605 | int ret; |
e5eb3d63 | 4606 | |
647416f9 | 4607 | DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val); |
e5eb3d63 | 4608 | |
22bcfc6a DV |
4609 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
4610 | if (ret) | |
4611 | return ret; | |
4612 | ||
99584db3 | 4613 | dev_priv->gpu_error.stop_rings = val; |
e5eb3d63 DV |
4614 | mutex_unlock(&dev->struct_mutex); |
4615 | ||
647416f9 | 4616 | return 0; |
e5eb3d63 DV |
4617 | } |
4618 | ||
647416f9 KC |
4619 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops, |
4620 | i915_ring_stop_get, i915_ring_stop_set, | |
4621 | "0x%08llx\n"); | |
d5442303 | 4622 | |
094f9a54 CW |
4623 | static int |
4624 | i915_ring_missed_irq_get(void *data, u64 *val) | |
4625 | { | |
4626 | struct drm_device *dev = data; | |
4627 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4628 | ||
4629 | *val = dev_priv->gpu_error.missed_irq_rings; | |
4630 | return 0; | |
4631 | } | |
4632 | ||
4633 | static int | |
4634 | i915_ring_missed_irq_set(void *data, u64 val) | |
4635 | { | |
4636 | struct drm_device *dev = data; | |
4637 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4638 | int ret; | |
4639 | ||
4640 | /* Lock against concurrent debugfs callers */ | |
4641 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4642 | if (ret) | |
4643 | return ret; | |
4644 | dev_priv->gpu_error.missed_irq_rings = val; | |
4645 | mutex_unlock(&dev->struct_mutex); | |
4646 | ||
4647 | return 0; | |
4648 | } | |
4649 | ||
4650 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops, | |
4651 | i915_ring_missed_irq_get, i915_ring_missed_irq_set, | |
4652 | "0x%08llx\n"); | |
4653 | ||
4654 | static int | |
4655 | i915_ring_test_irq_get(void *data, u64 *val) | |
4656 | { | |
4657 | struct drm_device *dev = data; | |
4658 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4659 | ||
4660 | *val = dev_priv->gpu_error.test_irq_rings; | |
4661 | ||
4662 | return 0; | |
4663 | } | |
4664 | ||
4665 | static int | |
4666 | i915_ring_test_irq_set(void *data, u64 val) | |
4667 | { | |
4668 | struct drm_device *dev = data; | |
4669 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4670 | int ret; | |
4671 | ||
4672 | DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val); | |
4673 | ||
4674 | /* Lock against concurrent debugfs callers */ | |
4675 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4676 | if (ret) | |
4677 | return ret; | |
4678 | ||
4679 | dev_priv->gpu_error.test_irq_rings = val; | |
4680 | mutex_unlock(&dev->struct_mutex); | |
4681 | ||
4682 | return 0; | |
4683 | } | |
4684 | ||
4685 | DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, | |
4686 | i915_ring_test_irq_get, i915_ring_test_irq_set, | |
4687 | "0x%08llx\n"); | |
4688 | ||
dd624afd CW |
4689 | #define DROP_UNBOUND 0x1 |
4690 | #define DROP_BOUND 0x2 | |
4691 | #define DROP_RETIRE 0x4 | |
4692 | #define DROP_ACTIVE 0x8 | |
4693 | #define DROP_ALL (DROP_UNBOUND | \ | |
4694 | DROP_BOUND | \ | |
4695 | DROP_RETIRE | \ | |
4696 | DROP_ACTIVE) | |
647416f9 KC |
4697 | static int |
4698 | i915_drop_caches_get(void *data, u64 *val) | |
dd624afd | 4699 | { |
647416f9 | 4700 | *val = DROP_ALL; |
dd624afd | 4701 | |
647416f9 | 4702 | return 0; |
dd624afd CW |
4703 | } |
4704 | ||
647416f9 KC |
4705 | static int |
4706 | i915_drop_caches_set(void *data, u64 val) | |
dd624afd | 4707 | { |
647416f9 | 4708 | struct drm_device *dev = data; |
dd624afd | 4709 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 4710 | int ret; |
dd624afd | 4711 | |
2f9fe5ff | 4712 | DRM_DEBUG("Dropping caches: 0x%08llx\n", val); |
dd624afd CW |
4713 | |
4714 | /* No need to check and wait for gpu resets, only libdrm auto-restarts | |
4715 | * on ioctls on -EAGAIN. */ | |
4716 | ret = mutex_lock_interruptible(&dev->struct_mutex); | |
4717 | if (ret) | |
4718 | return ret; | |
4719 | ||
4720 | if (val & DROP_ACTIVE) { | |
4721 | ret = i915_gpu_idle(dev); | |
4722 | if (ret) | |
4723 | goto unlock; | |
4724 | } | |
4725 | ||
4726 | if (val & (DROP_RETIRE | DROP_ACTIVE)) | |
4727 | i915_gem_retire_requests(dev); | |
4728 | ||
21ab4e74 CW |
4729 | if (val & DROP_BOUND) |
4730 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND); | |
4ad72b7f | 4731 | |
21ab4e74 CW |
4732 | if (val & DROP_UNBOUND) |
4733 | i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); | |
dd624afd CW |
4734 | |
4735 | unlock: | |
4736 | mutex_unlock(&dev->struct_mutex); | |
4737 | ||
647416f9 | 4738 | return ret; |
dd624afd CW |
4739 | } |
4740 | ||
647416f9 KC |
4741 | DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, |
4742 | i915_drop_caches_get, i915_drop_caches_set, | |
4743 | "0x%08llx\n"); | |
dd624afd | 4744 | |
647416f9 KC |
4745 | static int |
4746 | i915_max_freq_get(void *data, u64 *val) | |
358733e9 | 4747 | { |
647416f9 | 4748 | struct drm_device *dev = data; |
e277a1f8 | 4749 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 4750 | int ret; |
004777cb | 4751 | |
daa3afb2 | 4752 | if (INTEL_INFO(dev)->gen < 6) |
004777cb DV |
4753 | return -ENODEV; |
4754 | ||
5c9669ce TR |
4755 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4756 | ||
4fc688ce | 4757 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4758 | if (ret) |
4759 | return ret; | |
358733e9 | 4760 | |
7c59a9c1 | 4761 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit); |
4fc688ce | 4762 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 4763 | |
647416f9 | 4764 | return 0; |
358733e9 JB |
4765 | } |
4766 | ||
647416f9 KC |
4767 | static int |
4768 | i915_max_freq_set(void *data, u64 val) | |
358733e9 | 4769 | { |
647416f9 | 4770 | struct drm_device *dev = data; |
358733e9 | 4771 | struct drm_i915_private *dev_priv = dev->dev_private; |
bc4d91f6 | 4772 | u32 hw_max, hw_min; |
647416f9 | 4773 | int ret; |
004777cb | 4774 | |
daa3afb2 | 4775 | if (INTEL_INFO(dev)->gen < 6) |
004777cb | 4776 | return -ENODEV; |
358733e9 | 4777 | |
5c9669ce TR |
4778 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4779 | ||
647416f9 | 4780 | DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val); |
358733e9 | 4781 | |
4fc688ce | 4782 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4783 | if (ret) |
4784 | return ret; | |
4785 | ||
358733e9 JB |
4786 | /* |
4787 | * Turbo will still be enabled, but won't go above the set value. | |
4788 | */ | |
bc4d91f6 | 4789 | val = intel_freq_opcode(dev_priv, val); |
dd0a1aa1 | 4790 | |
bc4d91f6 AG |
4791 | hw_max = dev_priv->rps.max_freq; |
4792 | hw_min = dev_priv->rps.min_freq; | |
dd0a1aa1 | 4793 | |
b39fb297 | 4794 | if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { |
dd0a1aa1 JM |
4795 | mutex_unlock(&dev_priv->rps.hw_lock); |
4796 | return -EINVAL; | |
0a073b84 JB |
4797 | } |
4798 | ||
b39fb297 | 4799 | dev_priv->rps.max_freq_softlimit = val; |
dd0a1aa1 | 4800 | |
ffe02b40 | 4801 | intel_set_rps(dev, val); |
dd0a1aa1 | 4802 | |
4fc688ce | 4803 | mutex_unlock(&dev_priv->rps.hw_lock); |
358733e9 | 4804 | |
647416f9 | 4805 | return 0; |
358733e9 JB |
4806 | } |
4807 | ||
647416f9 KC |
4808 | DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops, |
4809 | i915_max_freq_get, i915_max_freq_set, | |
3a3b4f98 | 4810 | "%llu\n"); |
358733e9 | 4811 | |
647416f9 KC |
4812 | static int |
4813 | i915_min_freq_get(void *data, u64 *val) | |
1523c310 | 4814 | { |
647416f9 | 4815 | struct drm_device *dev = data; |
e277a1f8 | 4816 | struct drm_i915_private *dev_priv = dev->dev_private; |
647416f9 | 4817 | int ret; |
004777cb | 4818 | |
daa3afb2 | 4819 | if (INTEL_INFO(dev)->gen < 6) |
004777cb DV |
4820 | return -ENODEV; |
4821 | ||
5c9669ce TR |
4822 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4823 | ||
4fc688ce | 4824 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4825 | if (ret) |
4826 | return ret; | |
1523c310 | 4827 | |
7c59a9c1 | 4828 | *val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit); |
4fc688ce | 4829 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 4830 | |
647416f9 | 4831 | return 0; |
1523c310 JB |
4832 | } |
4833 | ||
647416f9 KC |
4834 | static int |
4835 | i915_min_freq_set(void *data, u64 val) | |
1523c310 | 4836 | { |
647416f9 | 4837 | struct drm_device *dev = data; |
1523c310 | 4838 | struct drm_i915_private *dev_priv = dev->dev_private; |
bc4d91f6 | 4839 | u32 hw_max, hw_min; |
647416f9 | 4840 | int ret; |
004777cb | 4841 | |
daa3afb2 | 4842 | if (INTEL_INFO(dev)->gen < 6) |
004777cb | 4843 | return -ENODEV; |
1523c310 | 4844 | |
5c9669ce TR |
4845 | flush_delayed_work(&dev_priv->rps.delayed_resume_work); |
4846 | ||
647416f9 | 4847 | DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val); |
1523c310 | 4848 | |
4fc688ce | 4849 | ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); |
004777cb DV |
4850 | if (ret) |
4851 | return ret; | |
4852 | ||
1523c310 JB |
4853 | /* |
4854 | * Turbo will still be enabled, but won't go below the set value. | |
4855 | */ | |
bc4d91f6 | 4856 | val = intel_freq_opcode(dev_priv, val); |
dd0a1aa1 | 4857 | |
bc4d91f6 AG |
4858 | hw_max = dev_priv->rps.max_freq; |
4859 | hw_min = dev_priv->rps.min_freq; | |
dd0a1aa1 | 4860 | |
b39fb297 | 4861 | if (val < hw_min || val > hw_max || val > dev_priv->rps.max_freq_softlimit) { |
dd0a1aa1 JM |
4862 | mutex_unlock(&dev_priv->rps.hw_lock); |
4863 | return -EINVAL; | |
0a073b84 | 4864 | } |
dd0a1aa1 | 4865 | |
b39fb297 | 4866 | dev_priv->rps.min_freq_softlimit = val; |
dd0a1aa1 | 4867 | |
ffe02b40 | 4868 | intel_set_rps(dev, val); |
dd0a1aa1 | 4869 | |
4fc688ce | 4870 | mutex_unlock(&dev_priv->rps.hw_lock); |
1523c310 | 4871 | |
647416f9 | 4872 | return 0; |
1523c310 JB |
4873 | } |
4874 | ||
647416f9 KC |
4875 | DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops, |
4876 | i915_min_freq_get, i915_min_freq_set, | |
3a3b4f98 | 4877 | "%llu\n"); |
1523c310 | 4878 | |
647416f9 KC |
4879 | static int |
4880 | i915_cache_sharing_get(void *data, u64 *val) | |
07b7ddd9 | 4881 | { |
647416f9 | 4882 | struct drm_device *dev = data; |
e277a1f8 | 4883 | struct drm_i915_private *dev_priv = dev->dev_private; |
07b7ddd9 | 4884 | u32 snpcr; |
647416f9 | 4885 | int ret; |
07b7ddd9 | 4886 | |
004777cb DV |
4887 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) |
4888 | return -ENODEV; | |
4889 | ||
22bcfc6a DV |
4890 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
4891 | if (ret) | |
4892 | return ret; | |
c8c8fb33 | 4893 | intel_runtime_pm_get(dev_priv); |
22bcfc6a | 4894 | |
07b7ddd9 | 4895 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); |
c8c8fb33 PZ |
4896 | |
4897 | intel_runtime_pm_put(dev_priv); | |
07b7ddd9 JB |
4898 | mutex_unlock(&dev_priv->dev->struct_mutex); |
4899 | ||
647416f9 | 4900 | *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; |
07b7ddd9 | 4901 | |
647416f9 | 4902 | return 0; |
07b7ddd9 JB |
4903 | } |
4904 | ||
647416f9 KC |
4905 | static int |
4906 | i915_cache_sharing_set(void *data, u64 val) | |
07b7ddd9 | 4907 | { |
647416f9 | 4908 | struct drm_device *dev = data; |
07b7ddd9 | 4909 | struct drm_i915_private *dev_priv = dev->dev_private; |
07b7ddd9 | 4910 | u32 snpcr; |
07b7ddd9 | 4911 | |
004777cb DV |
4912 | if (!(IS_GEN6(dev) || IS_GEN7(dev))) |
4913 | return -ENODEV; | |
4914 | ||
647416f9 | 4915 | if (val > 3) |
07b7ddd9 JB |
4916 | return -EINVAL; |
4917 | ||
c8c8fb33 | 4918 | intel_runtime_pm_get(dev_priv); |
647416f9 | 4919 | DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val); |
07b7ddd9 JB |
4920 | |
4921 | /* Update the cache sharing policy here as well */ | |
4922 | snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); | |
4923 | snpcr &= ~GEN6_MBC_SNPCR_MASK; | |
4924 | snpcr |= (val << GEN6_MBC_SNPCR_SHIFT); | |
4925 | I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); | |
4926 | ||
c8c8fb33 | 4927 | intel_runtime_pm_put(dev_priv); |
647416f9 | 4928 | return 0; |
07b7ddd9 JB |
4929 | } |
4930 | ||
647416f9 KC |
4931 | DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, |
4932 | i915_cache_sharing_get, i915_cache_sharing_set, | |
4933 | "%llu\n"); | |
07b7ddd9 | 4934 | |
5d39525a JM |
4935 | struct sseu_dev_status { |
4936 | unsigned int slice_total; | |
4937 | unsigned int subslice_total; | |
4938 | unsigned int subslice_per_slice; | |
4939 | unsigned int eu_total; | |
4940 | unsigned int eu_per_subslice; | |
4941 | }; | |
4942 | ||
4943 | static void cherryview_sseu_device_status(struct drm_device *dev, | |
4944 | struct sseu_dev_status *stat) | |
4945 | { | |
4946 | struct drm_i915_private *dev_priv = dev->dev_private; | |
0a0b457f | 4947 | int ss_max = 2; |
5d39525a JM |
4948 | int ss; |
4949 | u32 sig1[ss_max], sig2[ss_max]; | |
4950 | ||
4951 | sig1[0] = I915_READ(CHV_POWER_SS0_SIG1); | |
4952 | sig1[1] = I915_READ(CHV_POWER_SS1_SIG1); | |
4953 | sig2[0] = I915_READ(CHV_POWER_SS0_SIG2); | |
4954 | sig2[1] = I915_READ(CHV_POWER_SS1_SIG2); | |
4955 | ||
4956 | for (ss = 0; ss < ss_max; ss++) { | |
4957 | unsigned int eu_cnt; | |
4958 | ||
4959 | if (sig1[ss] & CHV_SS_PG_ENABLE) | |
4960 | /* skip disabled subslice */ | |
4961 | continue; | |
4962 | ||
4963 | stat->slice_total = 1; | |
4964 | stat->subslice_per_slice++; | |
4965 | eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) + | |
4966 | ((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) + | |
4967 | ((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) + | |
4968 | ((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2); | |
4969 | stat->eu_total += eu_cnt; | |
4970 | stat->eu_per_subslice = max(stat->eu_per_subslice, eu_cnt); | |
4971 | } | |
4972 | stat->subslice_total = stat->subslice_per_slice; | |
4973 | } | |
4974 | ||
4975 | static void gen9_sseu_device_status(struct drm_device *dev, | |
4976 | struct sseu_dev_status *stat) | |
4977 | { | |
4978 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1c046bc1 | 4979 | int s_max = 3, ss_max = 4; |
5d39525a JM |
4980 | int s, ss; |
4981 | u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2]; | |
4982 | ||
1c046bc1 JM |
4983 | /* BXT has a single slice and at most 3 subslices. */ |
4984 | if (IS_BROXTON(dev)) { | |
4985 | s_max = 1; | |
4986 | ss_max = 3; | |
4987 | } | |
4988 | ||
4989 | for (s = 0; s < s_max; s++) { | |
4990 | s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s)); | |
4991 | eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s)); | |
4992 | eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s)); | |
4993 | } | |
4994 | ||
5d39525a JM |
4995 | eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK | |
4996 | GEN9_PGCTL_SSA_EU19_ACK | | |
4997 | GEN9_PGCTL_SSA_EU210_ACK | | |
4998 | GEN9_PGCTL_SSA_EU311_ACK; | |
4999 | eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK | | |
5000 | GEN9_PGCTL_SSB_EU19_ACK | | |
5001 | GEN9_PGCTL_SSB_EU210_ACK | | |
5002 | GEN9_PGCTL_SSB_EU311_ACK; | |
5003 | ||
5004 | for (s = 0; s < s_max; s++) { | |
1c046bc1 JM |
5005 | unsigned int ss_cnt = 0; |
5006 | ||
5d39525a JM |
5007 | if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0) |
5008 | /* skip disabled slice */ | |
5009 | continue; | |
5010 | ||
5011 | stat->slice_total++; | |
1c046bc1 JM |
5012 | |
5013 | if (IS_SKYLAKE(dev)) | |
5014 | ss_cnt = INTEL_INFO(dev)->subslice_per_slice; | |
5015 | ||
5d39525a JM |
5016 | for (ss = 0; ss < ss_max; ss++) { |
5017 | unsigned int eu_cnt; | |
5018 | ||
1c046bc1 JM |
5019 | if (IS_BROXTON(dev) && |
5020 | !(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss)))) | |
5021 | /* skip disabled subslice */ | |
5022 | continue; | |
5023 | ||
5024 | if (IS_BROXTON(dev)) | |
5025 | ss_cnt++; | |
5026 | ||
5d39525a JM |
5027 | eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] & |
5028 | eu_mask[ss%2]); | |
5029 | stat->eu_total += eu_cnt; | |
5030 | stat->eu_per_subslice = max(stat->eu_per_subslice, | |
5031 | eu_cnt); | |
5032 | } | |
1c046bc1 JM |
5033 | |
5034 | stat->subslice_total += ss_cnt; | |
5035 | stat->subslice_per_slice = max(stat->subslice_per_slice, | |
5036 | ss_cnt); | |
5d39525a JM |
5037 | } |
5038 | } | |
5039 | ||
3873218f JM |
5040 | static int i915_sseu_status(struct seq_file *m, void *unused) |
5041 | { | |
5042 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
5043 | struct drm_device *dev = node->minor->dev; | |
5d39525a | 5044 | struct sseu_dev_status stat; |
3873218f | 5045 | |
5575f03a | 5046 | if ((INTEL_INFO(dev)->gen < 8) || IS_BROADWELL(dev)) |
3873218f JM |
5047 | return -ENODEV; |
5048 | ||
5049 | seq_puts(m, "SSEU Device Info\n"); | |
5050 | seq_printf(m, " Available Slice Total: %u\n", | |
5051 | INTEL_INFO(dev)->slice_total); | |
5052 | seq_printf(m, " Available Subslice Total: %u\n", | |
5053 | INTEL_INFO(dev)->subslice_total); | |
5054 | seq_printf(m, " Available Subslice Per Slice: %u\n", | |
5055 | INTEL_INFO(dev)->subslice_per_slice); | |
5056 | seq_printf(m, " Available EU Total: %u\n", | |
5057 | INTEL_INFO(dev)->eu_total); | |
5058 | seq_printf(m, " Available EU Per Subslice: %u\n", | |
5059 | INTEL_INFO(dev)->eu_per_subslice); | |
5060 | seq_printf(m, " Has Slice Power Gating: %s\n", | |
5061 | yesno(INTEL_INFO(dev)->has_slice_pg)); | |
5062 | seq_printf(m, " Has Subslice Power Gating: %s\n", | |
5063 | yesno(INTEL_INFO(dev)->has_subslice_pg)); | |
5064 | seq_printf(m, " Has EU Power Gating: %s\n", | |
5065 | yesno(INTEL_INFO(dev)->has_eu_pg)); | |
5066 | ||
7f992aba | 5067 | seq_puts(m, "SSEU Device Status\n"); |
5d39525a | 5068 | memset(&stat, 0, sizeof(stat)); |
5575f03a | 5069 | if (IS_CHERRYVIEW(dev)) { |
5d39525a | 5070 | cherryview_sseu_device_status(dev, &stat); |
1c046bc1 | 5071 | } else if (INTEL_INFO(dev)->gen >= 9) { |
5d39525a | 5072 | gen9_sseu_device_status(dev, &stat); |
7f992aba | 5073 | } |
5d39525a JM |
5074 | seq_printf(m, " Enabled Slice Total: %u\n", |
5075 | stat.slice_total); | |
5076 | seq_printf(m, " Enabled Subslice Total: %u\n", | |
5077 | stat.subslice_total); | |
5078 | seq_printf(m, " Enabled Subslice Per Slice: %u\n", | |
5079 | stat.subslice_per_slice); | |
5080 | seq_printf(m, " Enabled EU Total: %u\n", | |
5081 | stat.eu_total); | |
5082 | seq_printf(m, " Enabled EU Per Subslice: %u\n", | |
5083 | stat.eu_per_subslice); | |
7f992aba | 5084 | |
3873218f JM |
5085 | return 0; |
5086 | } | |
5087 | ||
6d794d42 BW |
5088 | static int i915_forcewake_open(struct inode *inode, struct file *file) |
5089 | { | |
5090 | struct drm_device *dev = inode->i_private; | |
5091 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6d794d42 | 5092 | |
075edca4 | 5093 | if (INTEL_INFO(dev)->gen < 6) |
6d794d42 BW |
5094 | return 0; |
5095 | ||
6daccb0b | 5096 | intel_runtime_pm_get(dev_priv); |
59bad947 | 5097 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
6d794d42 BW |
5098 | |
5099 | return 0; | |
5100 | } | |
5101 | ||
c43b5634 | 5102 | static int i915_forcewake_release(struct inode *inode, struct file *file) |
6d794d42 BW |
5103 | { |
5104 | struct drm_device *dev = inode->i_private; | |
5105 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5106 | ||
075edca4 | 5107 | if (INTEL_INFO(dev)->gen < 6) |
6d794d42 BW |
5108 | return 0; |
5109 | ||
59bad947 | 5110 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
6daccb0b | 5111 | intel_runtime_pm_put(dev_priv); |
6d794d42 BW |
5112 | |
5113 | return 0; | |
5114 | } | |
5115 | ||
5116 | static const struct file_operations i915_forcewake_fops = { | |
5117 | .owner = THIS_MODULE, | |
5118 | .open = i915_forcewake_open, | |
5119 | .release = i915_forcewake_release, | |
5120 | }; | |
5121 | ||
5122 | static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor) | |
5123 | { | |
5124 | struct drm_device *dev = minor->dev; | |
5125 | struct dentry *ent; | |
5126 | ||
5127 | ent = debugfs_create_file("i915_forcewake_user", | |
8eb57294 | 5128 | S_IRUSR, |
6d794d42 BW |
5129 | root, dev, |
5130 | &i915_forcewake_fops); | |
f3c5fe97 WY |
5131 | if (!ent) |
5132 | return -ENOMEM; | |
6d794d42 | 5133 | |
8eb57294 | 5134 | return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops); |
6d794d42 BW |
5135 | } |
5136 | ||
6a9c308d DV |
5137 | static int i915_debugfs_create(struct dentry *root, |
5138 | struct drm_minor *minor, | |
5139 | const char *name, | |
5140 | const struct file_operations *fops) | |
07b7ddd9 JB |
5141 | { |
5142 | struct drm_device *dev = minor->dev; | |
5143 | struct dentry *ent; | |
5144 | ||
6a9c308d | 5145 | ent = debugfs_create_file(name, |
07b7ddd9 JB |
5146 | S_IRUGO | S_IWUSR, |
5147 | root, dev, | |
6a9c308d | 5148 | fops); |
f3c5fe97 WY |
5149 | if (!ent) |
5150 | return -ENOMEM; | |
07b7ddd9 | 5151 | |
6a9c308d | 5152 | return drm_add_fake_info_node(minor, ent, fops); |
07b7ddd9 JB |
5153 | } |
5154 | ||
06c5bf8c | 5155 | static const struct drm_info_list i915_debugfs_list[] = { |
311bd68e | 5156 | {"i915_capabilities", i915_capabilities, 0}, |
73aa808f | 5157 | {"i915_gem_objects", i915_gem_object_info, 0}, |
08c18323 | 5158 | {"i915_gem_gtt", i915_gem_gtt_info, 0}, |
1b50247a | 5159 | {"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST}, |
433e12f7 | 5160 | {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, |
433e12f7 | 5161 | {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, |
6d2b8885 | 5162 | {"i915_gem_stolen", i915_gem_stolen_list_info }, |
4e5359cd | 5163 | {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, |
2017263e BG |
5164 | {"i915_gem_request", i915_gem_request_info, 0}, |
5165 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, | |
a6172a80 | 5166 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, |
2017263e | 5167 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
1ec14ad3 CW |
5168 | {"i915_gem_hws", i915_hws_info, 0, (void *)RCS}, |
5169 | {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS}, | |
5170 | {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS}, | |
9010ebfd | 5171 | {"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS}, |
493018dc | 5172 | {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0}, |
8b417c26 | 5173 | {"i915_guc_info", i915_guc_info, 0}, |
fdf5d357 | 5174 | {"i915_guc_load_status", i915_guc_load_status_info, 0}, |
4c7e77fc | 5175 | {"i915_guc_log_dump", i915_guc_log_dump, 0}, |
adb4bd12 | 5176 | {"i915_frequency_info", i915_frequency_info, 0}, |
f654449a | 5177 | {"i915_hangcheck_info", i915_hangcheck_info, 0}, |
f97108d1 | 5178 | {"i915_drpc_info", i915_drpc_info, 0}, |
7648fa99 | 5179 | {"i915_emon_status", i915_emon_status, 0}, |
23b2f8bb | 5180 | {"i915_ring_freq_table", i915_ring_freq_table, 0}, |
9a851789 | 5181 | {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0}, |
b5e50c3f | 5182 | {"i915_fbc_status", i915_fbc_status, 0}, |
92d44621 | 5183 | {"i915_ips_status", i915_ips_status, 0}, |
4a9bef37 | 5184 | {"i915_sr_status", i915_sr_status, 0}, |
44834a67 | 5185 | {"i915_opregion", i915_opregion, 0}, |
37811fcc | 5186 | {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, |
e76d3630 | 5187 | {"i915_context_status", i915_context_status, 0}, |
c0ab1ae9 | 5188 | {"i915_dump_lrc", i915_dump_lrc, 0}, |
4ba70e44 | 5189 | {"i915_execlists", i915_execlists, 0}, |
f65367b5 | 5190 | {"i915_forcewake_domains", i915_forcewake_domains, 0}, |
ea16a3cd | 5191 | {"i915_swizzle_info", i915_swizzle_info, 0}, |
3cf17fc5 | 5192 | {"i915_ppgtt_info", i915_ppgtt_info, 0}, |
63573eb7 | 5193 | {"i915_llc", i915_llc, 0}, |
e91fd8c6 | 5194 | {"i915_edp_psr_status", i915_edp_psr_status, 0}, |
d2e216d0 | 5195 | {"i915_sink_crc_eDP1", i915_sink_crc, 0}, |
ec013e7f | 5196 | {"i915_energy_uJ", i915_energy_uJ, 0}, |
6455c870 | 5197 | {"i915_runtime_pm_status", i915_runtime_pm_status, 0}, |
1da51581 | 5198 | {"i915_power_domain_info", i915_power_domain_info, 0}, |
53f5e3ca | 5199 | {"i915_display_info", i915_display_info, 0}, |
e04934cf | 5200 | {"i915_semaphore_status", i915_semaphore_status, 0}, |
728e29d7 | 5201 | {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, |
11bed958 | 5202 | {"i915_dp_mst_info", i915_dp_mst_info, 0}, |
1ed1ef9d | 5203 | {"i915_wa_registers", i915_wa_registers, 0}, |
c5511e44 | 5204 | {"i915_ddb_info", i915_ddb_info, 0}, |
3873218f | 5205 | {"i915_sseu_status", i915_sseu_status, 0}, |
a54746e3 | 5206 | {"i915_drrs_status", i915_drrs_status, 0}, |
1854d5ca | 5207 | {"i915_rps_boost_info", i915_rps_boost_info, 0}, |
2017263e | 5208 | }; |
27c202ad | 5209 | #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |
2017263e | 5210 | |
06c5bf8c | 5211 | static const struct i915_debugfs_files { |
34b9674c DV |
5212 | const char *name; |
5213 | const struct file_operations *fops; | |
5214 | } i915_debugfs_files[] = { | |
5215 | {"i915_wedged", &i915_wedged_fops}, | |
5216 | {"i915_max_freq", &i915_max_freq_fops}, | |
5217 | {"i915_min_freq", &i915_min_freq_fops}, | |
5218 | {"i915_cache_sharing", &i915_cache_sharing_fops}, | |
5219 | {"i915_ring_stop", &i915_ring_stop_fops}, | |
094f9a54 CW |
5220 | {"i915_ring_missed_irq", &i915_ring_missed_irq_fops}, |
5221 | {"i915_ring_test_irq", &i915_ring_test_irq_fops}, | |
34b9674c DV |
5222 | {"i915_gem_drop_caches", &i915_drop_caches_fops}, |
5223 | {"i915_error_state", &i915_error_state_fops}, | |
5224 | {"i915_next_seqno", &i915_next_seqno_fops}, | |
bd9db02f | 5225 | {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, |
369a1342 VS |
5226 | {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, |
5227 | {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, | |
5228 | {"i915_cur_wm_latency", &i915_cur_wm_latency_fops}, | |
da46f936 | 5229 | {"i915_fbc_false_color", &i915_fbc_fc_fops}, |
eb3394fa TP |
5230 | {"i915_dp_test_data", &i915_displayport_test_data_fops}, |
5231 | {"i915_dp_test_type", &i915_displayport_test_type_fops}, | |
5232 | {"i915_dp_test_active", &i915_displayport_test_active_fops} | |
34b9674c DV |
5233 | }; |
5234 | ||
07144428 DL |
5235 | void intel_display_crc_init(struct drm_device *dev) |
5236 | { | |
5237 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b378360e | 5238 | enum pipe pipe; |
07144428 | 5239 | |
055e393f | 5240 | for_each_pipe(dev_priv, pipe) { |
b378360e | 5241 | struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe]; |
07144428 | 5242 | |
d538bbdf DL |
5243 | pipe_crc->opened = false; |
5244 | spin_lock_init(&pipe_crc->lock); | |
07144428 DL |
5245 | init_waitqueue_head(&pipe_crc->wq); |
5246 | } | |
5247 | } | |
5248 | ||
27c202ad | 5249 | int i915_debugfs_init(struct drm_minor *minor) |
2017263e | 5250 | { |
34b9674c | 5251 | int ret, i; |
f3cd474b | 5252 | |
6d794d42 | 5253 | ret = i915_forcewake_create(minor->debugfs_root, minor); |
358733e9 JB |
5254 | if (ret) |
5255 | return ret; | |
6a9c308d | 5256 | |
07144428 DL |
5257 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
5258 | ret = i915_pipe_crc_create(minor->debugfs_root, minor, i); | |
5259 | if (ret) | |
5260 | return ret; | |
5261 | } | |
5262 | ||
34b9674c DV |
5263 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
5264 | ret = i915_debugfs_create(minor->debugfs_root, minor, | |
5265 | i915_debugfs_files[i].name, | |
5266 | i915_debugfs_files[i].fops); | |
5267 | if (ret) | |
5268 | return ret; | |
5269 | } | |
40633219 | 5270 | |
27c202ad BG |
5271 | return drm_debugfs_create_files(i915_debugfs_list, |
5272 | I915_DEBUGFS_ENTRIES, | |
2017263e BG |
5273 | minor->debugfs_root, minor); |
5274 | } | |
5275 | ||
27c202ad | 5276 | void i915_debugfs_cleanup(struct drm_minor *minor) |
2017263e | 5277 | { |
34b9674c DV |
5278 | int i; |
5279 | ||
27c202ad BG |
5280 | drm_debugfs_remove_files(i915_debugfs_list, |
5281 | I915_DEBUGFS_ENTRIES, minor); | |
07144428 | 5282 | |
6d794d42 BW |
5283 | drm_debugfs_remove_files((struct drm_info_list *) &i915_forcewake_fops, |
5284 | 1, minor); | |
07144428 | 5285 | |
e309a997 | 5286 | for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) { |
07144428 DL |
5287 | struct drm_info_list *info_list = |
5288 | (struct drm_info_list *)&i915_pipe_crc_data[i]; | |
5289 | ||
5290 | drm_debugfs_remove_files(info_list, 1, minor); | |
5291 | } | |
5292 | ||
34b9674c DV |
5293 | for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { |
5294 | struct drm_info_list *info_list = | |
5295 | (struct drm_info_list *) i915_debugfs_files[i].fops; | |
5296 | ||
5297 | drm_debugfs_remove_files(info_list, 1, minor); | |
5298 | } | |
2017263e | 5299 | } |
aa7471d2 JN |
5300 | |
5301 | struct dpcd_block { | |
5302 | /* DPCD dump start address. */ | |
5303 | unsigned int offset; | |
5304 | /* DPCD dump end address, inclusive. If unset, .size will be used. */ | |
5305 | unsigned int end; | |
5306 | /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */ | |
5307 | size_t size; | |
5308 | /* Only valid for eDP. */ | |
5309 | bool edp; | |
5310 | }; | |
5311 | ||
5312 | static const struct dpcd_block i915_dpcd_debug[] = { | |
5313 | { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE }, | |
5314 | { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS }, | |
5315 | { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 }, | |
5316 | { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET }, | |
5317 | { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 }, | |
5318 | { .offset = DP_SET_POWER }, | |
5319 | { .offset = DP_EDP_DPCD_REV }, | |
5320 | { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 }, | |
5321 | { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB }, | |
5322 | { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET }, | |
5323 | }; | |
5324 | ||
5325 | static int i915_dpcd_show(struct seq_file *m, void *data) | |
5326 | { | |
5327 | struct drm_connector *connector = m->private; | |
5328 | struct intel_dp *intel_dp = | |
5329 | enc_to_intel_dp(&intel_attached_encoder(connector)->base); | |
5330 | uint8_t buf[16]; | |
5331 | ssize_t err; | |
5332 | int i; | |
5333 | ||
5c1a8875 MK |
5334 | if (connector->status != connector_status_connected) |
5335 | return -ENODEV; | |
5336 | ||
aa7471d2 JN |
5337 | for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) { |
5338 | const struct dpcd_block *b = &i915_dpcd_debug[i]; | |
5339 | size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1); | |
5340 | ||
5341 | if (b->edp && | |
5342 | connector->connector_type != DRM_MODE_CONNECTOR_eDP) | |
5343 | continue; | |
5344 | ||
5345 | /* low tech for now */ | |
5346 | if (WARN_ON(size > sizeof(buf))) | |
5347 | continue; | |
5348 | ||
5349 | err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size); | |
5350 | if (err <= 0) { | |
5351 | DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n", | |
5352 | size, b->offset, err); | |
5353 | continue; | |
5354 | } | |
5355 | ||
5356 | seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf); | |
b3f9d7d7 | 5357 | } |
aa7471d2 JN |
5358 | |
5359 | return 0; | |
5360 | } | |
5361 | ||
5362 | static int i915_dpcd_open(struct inode *inode, struct file *file) | |
5363 | { | |
5364 | return single_open(file, i915_dpcd_show, inode->i_private); | |
5365 | } | |
5366 | ||
5367 | static const struct file_operations i915_dpcd_fops = { | |
5368 | .owner = THIS_MODULE, | |
5369 | .open = i915_dpcd_open, | |
5370 | .read = seq_read, | |
5371 | .llseek = seq_lseek, | |
5372 | .release = single_release, | |
5373 | }; | |
5374 | ||
5375 | /** | |
5376 | * i915_debugfs_connector_add - add i915 specific connector debugfs files | |
5377 | * @connector: pointer to a registered drm_connector | |
5378 | * | |
5379 | * Cleanup will be done by drm_connector_unregister() through a call to | |
5380 | * drm_debugfs_connector_remove(). | |
5381 | * | |
5382 | * Returns 0 on success, negative error codes on error. | |
5383 | */ | |
5384 | int i915_debugfs_connector_add(struct drm_connector *connector) | |
5385 | { | |
5386 | struct dentry *root = connector->debugfs_entry; | |
5387 | ||
5388 | /* The connector must have been registered beforehands. */ | |
5389 | if (!root) | |
5390 | return -ENODEV; | |
5391 | ||
5392 | if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || | |
5393 | connector->connector_type == DRM_MODE_CONNECTOR_eDP) | |
5394 | debugfs_create_file("i915_dpcd", S_IRUGO, root, connector, | |
5395 | &i915_dpcd_fops); | |
5396 | ||
5397 | return 0; | |
5398 | } |