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1 | /* |
2 | * Copyright (C) 2006 Ben Skeggs. | |
3 | * | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining | |
7 | * a copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation the rights to use, copy, modify, merge, publish, | |
10 | * distribute, sublicense, and/or sell copies of the Software, and to | |
11 | * permit persons to whom the Software is furnished to do so, subject to | |
12 | * the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial | |
16 | * portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
21 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | |
22 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
23 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
24 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Authors: | |
30 | * Ben Skeggs <darktama@iinet.net.au> | |
31 | */ | |
32 | ||
33 | #include "drmP.h" | |
34 | #include "drm.h" | |
35 | #include "nouveau_drm.h" | |
36 | #include "nouveau_drv.h" | |
37 | #include "nouveau_reg.h" | |
38 | #include <linux/ratelimit.h> | |
39 | ||
40 | /* needed for hotplug irq */ | |
41 | #include "nouveau_connector.h" | |
42 | #include "nv50_display.h" | |
43 | ||
44 | void | |
45 | nouveau_irq_preinstall(struct drm_device *dev) | |
46 | { | |
47 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
48 | ||
49 | /* Master disable */ | |
50 | nv_wr32(dev, NV03_PMC_INTR_EN_0, 0); | |
51 | ||
52 | if (dev_priv->card_type == NV_50) { | |
53 | INIT_WORK(&dev_priv->irq_work, nv50_display_irq_handler_bh); | |
a5acac66 | 54 | INIT_WORK(&dev_priv->hpd_work, nv50_display_irq_hotplug_bh); |
6ee73861 BS |
55 | INIT_LIST_HEAD(&dev_priv->vbl_waiting); |
56 | } | |
57 | } | |
58 | ||
59 | int | |
60 | nouveau_irq_postinstall(struct drm_device *dev) | |
61 | { | |
62 | /* Master enable */ | |
63 | nv_wr32(dev, NV03_PMC_INTR_EN_0, NV_PMC_INTR_EN_0_MASTER_ENABLE); | |
64 | return 0; | |
65 | } | |
66 | ||
67 | void | |
68 | nouveau_irq_uninstall(struct drm_device *dev) | |
69 | { | |
70 | /* Master disable */ | |
71 | nv_wr32(dev, NV03_PMC_INTR_EN_0, 0); | |
72 | } | |
73 | ||
74 | static int | |
75 | nouveau_call_method(struct nouveau_channel *chan, int class, int mthd, int data) | |
76 | { | |
77 | struct drm_nouveau_private *dev_priv = chan->dev->dev_private; | |
78 | struct nouveau_pgraph_object_method *grm; | |
79 | struct nouveau_pgraph_object_class *grc; | |
80 | ||
81 | grc = dev_priv->engine.graph.grclass; | |
82 | while (grc->id) { | |
83 | if (grc->id == class) | |
84 | break; | |
85 | grc++; | |
86 | } | |
87 | ||
88 | if (grc->id != class || !grc->methods) | |
89 | return -ENOENT; | |
90 | ||
91 | grm = grc->methods; | |
92 | while (grm->id) { | |
93 | if (grm->id == mthd) | |
94 | return grm->exec(chan, class, mthd, data); | |
95 | grm++; | |
96 | } | |
97 | ||
98 | return -ENOENT; | |
99 | } | |
100 | ||
101 | static bool | |
102 | nouveau_fifo_swmthd(struct nouveau_channel *chan, uint32_t addr, uint32_t data) | |
103 | { | |
104 | struct drm_device *dev = chan->dev; | |
105 | const int subc = (addr >> 13) & 0x7; | |
106 | const int mthd = addr & 0x1ffc; | |
107 | ||
108 | if (mthd == 0x0000) { | |
109 | struct nouveau_gpuobj_ref *ref = NULL; | |
110 | ||
111 | if (nouveau_gpuobj_ref_find(chan, data, &ref)) | |
112 | return false; | |
113 | ||
114 | if (ref->gpuobj->engine != NVOBJ_ENGINE_SW) | |
115 | return false; | |
116 | ||
117 | chan->sw_subchannel[subc] = ref->gpuobj->class; | |
118 | nv_wr32(dev, NV04_PFIFO_CACHE1_ENGINE, nv_rd32(dev, | |
119 | NV04_PFIFO_CACHE1_ENGINE) & ~(0xf << subc * 4)); | |
120 | return true; | |
121 | } | |
122 | ||
123 | /* hw object */ | |
124 | if (nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE) & (1 << (subc*4))) | |
125 | return false; | |
126 | ||
127 | if (nouveau_call_method(chan, chan->sw_subchannel[subc], mthd, data)) | |
128 | return false; | |
129 | ||
130 | return true; | |
131 | } | |
132 | ||
133 | static void | |
134 | nouveau_fifo_irq_handler(struct drm_device *dev) | |
135 | { | |
136 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
137 | struct nouveau_engine *engine = &dev_priv->engine; | |
138 | uint32_t status, reassign; | |
139 | int cnt = 0; | |
140 | ||
141 | reassign = nv_rd32(dev, NV03_PFIFO_CACHES) & 1; | |
142 | while ((status = nv_rd32(dev, NV03_PFIFO_INTR_0)) && (cnt++ < 100)) { | |
143 | struct nouveau_channel *chan = NULL; | |
144 | uint32_t chid, get; | |
145 | ||
146 | nv_wr32(dev, NV03_PFIFO_CACHES, 0); | |
147 | ||
148 | chid = engine->fifo.channel_id(dev); | |
149 | if (chid >= 0 && chid < engine->fifo.channels) | |
150 | chan = dev_priv->fifos[chid]; | |
151 | get = nv_rd32(dev, NV03_PFIFO_CACHE1_GET); | |
152 | ||
153 | if (status & NV_PFIFO_INTR_CACHE_ERROR) { | |
154 | uint32_t mthd, data; | |
155 | int ptr; | |
156 | ||
157 | /* NV_PFIFO_CACHE1_GET actually goes to 0xffc before | |
158 | * wrapping on my G80 chips, but CACHE1 isn't big | |
159 | * enough for this much data.. Tests show that it | |
160 | * wraps around to the start at GET=0x800.. No clue | |
161 | * as to why.. | |
162 | */ | |
163 | ptr = (get & 0x7ff) >> 2; | |
164 | ||
165 | if (dev_priv->card_type < NV_40) { | |
166 | mthd = nv_rd32(dev, | |
167 | NV04_PFIFO_CACHE1_METHOD(ptr)); | |
168 | data = nv_rd32(dev, | |
169 | NV04_PFIFO_CACHE1_DATA(ptr)); | |
170 | } else { | |
171 | mthd = nv_rd32(dev, | |
172 | NV40_PFIFO_CACHE1_METHOD(ptr)); | |
173 | data = nv_rd32(dev, | |
174 | NV40_PFIFO_CACHE1_DATA(ptr)); | |
175 | } | |
176 | ||
177 | if (!chan || !nouveau_fifo_swmthd(chan, mthd, data)) { | |
178 | NV_INFO(dev, "PFIFO_CACHE_ERROR - Ch %d/%d " | |
179 | "Mthd 0x%04x Data 0x%08x\n", | |
180 | chid, (mthd >> 13) & 7, mthd & 0x1ffc, | |
181 | data); | |
182 | } | |
183 | ||
184 | nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 0); | |
185 | nv_wr32(dev, NV03_PFIFO_INTR_0, | |
186 | NV_PFIFO_INTR_CACHE_ERROR); | |
187 | ||
188 | nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, | |
189 | nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH0) & ~1); | |
190 | nv_wr32(dev, NV03_PFIFO_CACHE1_GET, get + 4); | |
191 | nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, | |
192 | nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH0) | 1); | |
193 | nv_wr32(dev, NV04_PFIFO_CACHE1_HASH, 0); | |
194 | ||
195 | nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, | |
196 | nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUSH) | 1); | |
197 | nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1); | |
198 | ||
199 | status &= ~NV_PFIFO_INTR_CACHE_ERROR; | |
200 | } | |
201 | ||
202 | if (status & NV_PFIFO_INTR_DMA_PUSHER) { | |
203 | NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d\n", chid); | |
204 | ||
205 | status &= ~NV_PFIFO_INTR_DMA_PUSHER; | |
206 | nv_wr32(dev, NV03_PFIFO_INTR_0, | |
207 | NV_PFIFO_INTR_DMA_PUSHER); | |
208 | ||
209 | nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_STATE, 0x00000000); | |
210 | if (nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUT) != get) | |
211 | nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_GET, | |
212 | get + 4); | |
213 | } | |
214 | ||
139295b6 FJ |
215 | if (status & NV_PFIFO_INTR_SEMAPHORE) { |
216 | uint32_t sem; | |
217 | ||
218 | status &= ~NV_PFIFO_INTR_SEMAPHORE; | |
219 | nv_wr32(dev, NV03_PFIFO_INTR_0, | |
220 | NV_PFIFO_INTR_SEMAPHORE); | |
221 | ||
222 | sem = nv_rd32(dev, NV10_PFIFO_CACHE1_SEMAPHORE); | |
223 | nv_wr32(dev, NV10_PFIFO_CACHE1_SEMAPHORE, sem | 0x1); | |
224 | ||
225 | nv_wr32(dev, NV03_PFIFO_CACHE1_GET, get + 4); | |
226 | nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1); | |
227 | } | |
228 | ||
6ee73861 BS |
229 | if (status) { |
230 | NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n", | |
231 | status, chid); | |
232 | nv_wr32(dev, NV03_PFIFO_INTR_0, status); | |
233 | status = 0; | |
234 | } | |
235 | ||
236 | nv_wr32(dev, NV03_PFIFO_CACHES, reassign); | |
237 | } | |
238 | ||
239 | if (status) { | |
240 | NV_INFO(dev, "PFIFO still angry after %d spins, halt\n", cnt); | |
241 | nv_wr32(dev, 0x2140, 0); | |
242 | nv_wr32(dev, 0x140, 0); | |
243 | } | |
244 | ||
245 | nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PFIFO_PENDING); | |
246 | } | |
247 | ||
248 | struct nouveau_bitfield_names { | |
249 | uint32_t mask; | |
250 | const char *name; | |
251 | }; | |
252 | ||
253 | static struct nouveau_bitfield_names nstatus_names[] = | |
254 | { | |
255 | { NV04_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" }, | |
256 | { NV04_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" }, | |
257 | { NV04_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" }, | |
258 | { NV04_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" } | |
259 | }; | |
260 | ||
261 | static struct nouveau_bitfield_names nstatus_names_nv10[] = | |
262 | { | |
263 | { NV10_PGRAPH_NSTATUS_STATE_IN_USE, "STATE_IN_USE" }, | |
264 | { NV10_PGRAPH_NSTATUS_INVALID_STATE, "INVALID_STATE" }, | |
265 | { NV10_PGRAPH_NSTATUS_BAD_ARGUMENT, "BAD_ARGUMENT" }, | |
266 | { NV10_PGRAPH_NSTATUS_PROTECTION_FAULT, "PROTECTION_FAULT" } | |
267 | }; | |
268 | ||
269 | static struct nouveau_bitfield_names nsource_names[] = | |
270 | { | |
271 | { NV03_PGRAPH_NSOURCE_NOTIFICATION, "NOTIFICATION" }, | |
272 | { NV03_PGRAPH_NSOURCE_DATA_ERROR, "DATA_ERROR" }, | |
273 | { NV03_PGRAPH_NSOURCE_PROTECTION_ERROR, "PROTECTION_ERROR" }, | |
274 | { NV03_PGRAPH_NSOURCE_RANGE_EXCEPTION, "RANGE_EXCEPTION" }, | |
275 | { NV03_PGRAPH_NSOURCE_LIMIT_COLOR, "LIMIT_COLOR" }, | |
276 | { NV03_PGRAPH_NSOURCE_LIMIT_ZETA, "LIMIT_ZETA" }, | |
277 | { NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD, "ILLEGAL_MTHD" }, | |
278 | { NV03_PGRAPH_NSOURCE_DMA_R_PROTECTION, "DMA_R_PROTECTION" }, | |
279 | { NV03_PGRAPH_NSOURCE_DMA_W_PROTECTION, "DMA_W_PROTECTION" }, | |
280 | { NV03_PGRAPH_NSOURCE_FORMAT_EXCEPTION, "FORMAT_EXCEPTION" }, | |
281 | { NV03_PGRAPH_NSOURCE_PATCH_EXCEPTION, "PATCH_EXCEPTION" }, | |
282 | { NV03_PGRAPH_NSOURCE_STATE_INVALID, "STATE_INVALID" }, | |
283 | { NV03_PGRAPH_NSOURCE_DOUBLE_NOTIFY, "DOUBLE_NOTIFY" }, | |
284 | { NV03_PGRAPH_NSOURCE_NOTIFY_IN_USE, "NOTIFY_IN_USE" }, | |
285 | { NV03_PGRAPH_NSOURCE_METHOD_CNT, "METHOD_CNT" }, | |
286 | { NV03_PGRAPH_NSOURCE_BFR_NOTIFICATION, "BFR_NOTIFICATION" }, | |
287 | { NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION, "DMA_VTX_PROTECTION" }, | |
288 | { NV03_PGRAPH_NSOURCE_DMA_WIDTH_A, "DMA_WIDTH_A" }, | |
289 | { NV03_PGRAPH_NSOURCE_DMA_WIDTH_B, "DMA_WIDTH_B" }, | |
290 | }; | |
291 | ||
292 | static void | |
293 | nouveau_print_bitfield_names_(uint32_t value, | |
294 | const struct nouveau_bitfield_names *namelist, | |
295 | const int namelist_len) | |
296 | { | |
297 | /* | |
298 | * Caller must have already printed the KERN_* log level for us. | |
299 | * Also the caller is responsible for adding the newline. | |
300 | */ | |
301 | int i; | |
302 | for (i = 0; i < namelist_len; ++i) { | |
303 | uint32_t mask = namelist[i].mask; | |
304 | if (value & mask) { | |
305 | printk(" %s", namelist[i].name); | |
306 | value &= ~mask; | |
307 | } | |
308 | } | |
309 | if (value) | |
310 | printk(" (unknown bits 0x%08x)", value); | |
311 | } | |
312 | #define nouveau_print_bitfield_names(val, namelist) \ | |
313 | nouveau_print_bitfield_names_((val), (namelist), ARRAY_SIZE(namelist)) | |
314 | ||
304424e1 MK |
315 | struct nouveau_enum_names { |
316 | uint32_t value; | |
317 | const char *name; | |
318 | }; | |
319 | ||
320 | static void | |
321 | nouveau_print_enum_names_(uint32_t value, | |
322 | const struct nouveau_enum_names *namelist, | |
323 | const int namelist_len) | |
324 | { | |
325 | /* | |
326 | * Caller must have already printed the KERN_* log level for us. | |
327 | * Also the caller is responsible for adding the newline. | |
328 | */ | |
329 | int i; | |
330 | for (i = 0; i < namelist_len; ++i) { | |
331 | if (value == namelist[i].value) { | |
332 | printk("%s", namelist[i].name); | |
333 | return; | |
334 | } | |
335 | } | |
336 | printk("unknown value 0x%08x", value); | |
337 | } | |
338 | #define nouveau_print_enum_names(val, namelist) \ | |
339 | nouveau_print_enum_names_((val), (namelist), ARRAY_SIZE(namelist)) | |
6ee73861 BS |
340 | |
341 | static int | |
342 | nouveau_graph_chid_from_grctx(struct drm_device *dev) | |
343 | { | |
344 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
345 | uint32_t inst; | |
346 | int i; | |
347 | ||
348 | if (dev_priv->card_type < NV_40) | |
349 | return dev_priv->engine.fifo.channels; | |
350 | else | |
351 | if (dev_priv->card_type < NV_50) { | |
352 | inst = (nv_rd32(dev, 0x40032c) & 0xfffff) << 4; | |
353 | ||
354 | for (i = 0; i < dev_priv->engine.fifo.channels; i++) { | |
355 | struct nouveau_channel *chan = dev_priv->fifos[i]; | |
356 | ||
357 | if (!chan || !chan->ramin_grctx) | |
358 | continue; | |
359 | ||
360 | if (inst == chan->ramin_grctx->instance) | |
361 | break; | |
362 | } | |
363 | } else { | |
364 | inst = (nv_rd32(dev, 0x40032c) & 0xfffff) << 12; | |
365 | ||
366 | for (i = 0; i < dev_priv->engine.fifo.channels; i++) { | |
367 | struct nouveau_channel *chan = dev_priv->fifos[i]; | |
368 | ||
369 | if (!chan || !chan->ramin) | |
370 | continue; | |
371 | ||
372 | if (inst == chan->ramin->instance) | |
373 | break; | |
374 | } | |
375 | } | |
376 | ||
377 | ||
378 | return i; | |
379 | } | |
380 | ||
381 | static int | |
382 | nouveau_graph_trapped_channel(struct drm_device *dev, int *channel_ret) | |
383 | { | |
384 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
385 | struct nouveau_engine *engine = &dev_priv->engine; | |
386 | int channel; | |
387 | ||
388 | if (dev_priv->card_type < NV_10) | |
389 | channel = (nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR) >> 24) & 0xf; | |
390 | else | |
391 | if (dev_priv->card_type < NV_40) | |
392 | channel = (nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR) >> 20) & 0x1f; | |
393 | else | |
394 | channel = nouveau_graph_chid_from_grctx(dev); | |
395 | ||
396 | if (channel >= engine->fifo.channels || !dev_priv->fifos[channel]) { | |
397 | NV_ERROR(dev, "AIII, invalid/inactive channel id %d\n", channel); | |
398 | return -EINVAL; | |
399 | } | |
400 | ||
401 | *channel_ret = channel; | |
402 | return 0; | |
403 | } | |
404 | ||
405 | struct nouveau_pgraph_trap { | |
406 | int channel; | |
407 | int class; | |
408 | int subc, mthd, size; | |
409 | uint32_t data, data2; | |
410 | uint32_t nsource, nstatus; | |
411 | }; | |
412 | ||
413 | static void | |
414 | nouveau_graph_trap_info(struct drm_device *dev, | |
415 | struct nouveau_pgraph_trap *trap) | |
416 | { | |
417 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
418 | uint32_t address; | |
419 | ||
420 | trap->nsource = trap->nstatus = 0; | |
421 | if (dev_priv->card_type < NV_50) { | |
422 | trap->nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE); | |
423 | trap->nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS); | |
424 | } | |
425 | ||
426 | if (nouveau_graph_trapped_channel(dev, &trap->channel)) | |
427 | trap->channel = -1; | |
428 | address = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR); | |
429 | ||
430 | trap->mthd = address & 0x1FFC; | |
431 | trap->data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA); | |
432 | if (dev_priv->card_type < NV_10) { | |
433 | trap->subc = (address >> 13) & 0x7; | |
434 | } else { | |
435 | trap->subc = (address >> 16) & 0x7; | |
436 | trap->data2 = nv_rd32(dev, NV10_PGRAPH_TRAPPED_DATA_HIGH); | |
437 | } | |
438 | ||
439 | if (dev_priv->card_type < NV_10) | |
440 | trap->class = nv_rd32(dev, 0x400180 + trap->subc*4) & 0xFF; | |
441 | else if (dev_priv->card_type < NV_40) | |
442 | trap->class = nv_rd32(dev, 0x400160 + trap->subc*4) & 0xFFF; | |
443 | else if (dev_priv->card_type < NV_50) | |
444 | trap->class = nv_rd32(dev, 0x400160 + trap->subc*4) & 0xFFFF; | |
445 | else | |
446 | trap->class = nv_rd32(dev, 0x400814); | |
447 | } | |
448 | ||
449 | static void | |
450 | nouveau_graph_dump_trap_info(struct drm_device *dev, const char *id, | |
451 | struct nouveau_pgraph_trap *trap) | |
452 | { | |
453 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
454 | uint32_t nsource = trap->nsource, nstatus = trap->nstatus; | |
455 | ||
304424e1 MK |
456 | if (dev_priv->card_type < NV_50) { |
457 | NV_INFO(dev, "%s - nSource:", id); | |
458 | nouveau_print_bitfield_names(nsource, nsource_names); | |
459 | printk(", nStatus:"); | |
460 | if (dev_priv->card_type < NV_10) | |
461 | nouveau_print_bitfield_names(nstatus, nstatus_names); | |
462 | else | |
463 | nouveau_print_bitfield_names(nstatus, nstatus_names_nv10); | |
464 | printk("\n"); | |
465 | } | |
6ee73861 BS |
466 | |
467 | NV_INFO(dev, "%s - Ch %d/%d Class 0x%04x Mthd 0x%04x " | |
468 | "Data 0x%08x:0x%08x\n", | |
469 | id, trap->channel, trap->subc, | |
470 | trap->class, trap->mthd, | |
471 | trap->data2, trap->data); | |
472 | } | |
473 | ||
474 | static int | |
475 | nouveau_pgraph_intr_swmthd(struct drm_device *dev, | |
476 | struct nouveau_pgraph_trap *trap) | |
477 | { | |
478 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
479 | ||
480 | if (trap->channel < 0 || | |
481 | trap->channel >= dev_priv->engine.fifo.channels || | |
482 | !dev_priv->fifos[trap->channel]) | |
483 | return -ENODEV; | |
484 | ||
485 | return nouveau_call_method(dev_priv->fifos[trap->channel], | |
486 | trap->class, trap->mthd, trap->data); | |
487 | } | |
488 | ||
489 | static inline void | |
490 | nouveau_pgraph_intr_notify(struct drm_device *dev, uint32_t nsource) | |
491 | { | |
492 | struct nouveau_pgraph_trap trap; | |
493 | int unhandled = 0; | |
494 | ||
495 | nouveau_graph_trap_info(dev, &trap); | |
496 | ||
497 | if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) { | |
498 | if (nouveau_pgraph_intr_swmthd(dev, &trap)) | |
499 | unhandled = 1; | |
500 | } else { | |
501 | unhandled = 1; | |
502 | } | |
503 | ||
504 | if (unhandled) | |
505 | nouveau_graph_dump_trap_info(dev, "PGRAPH_NOTIFY", &trap); | |
506 | } | |
507 | ||
508 | static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20); | |
509 | ||
510 | static int nouveau_ratelimit(void) | |
511 | { | |
512 | return __ratelimit(&nouveau_ratelimit_state); | |
513 | } | |
514 | ||
515 | ||
516 | static inline void | |
517 | nouveau_pgraph_intr_error(struct drm_device *dev, uint32_t nsource) | |
518 | { | |
519 | struct nouveau_pgraph_trap trap; | |
520 | int unhandled = 0; | |
521 | ||
522 | nouveau_graph_trap_info(dev, &trap); | |
523 | trap.nsource = nsource; | |
524 | ||
525 | if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) { | |
526 | if (nouveau_pgraph_intr_swmthd(dev, &trap)) | |
527 | unhandled = 1; | |
d051bbb2 LB |
528 | } else if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) { |
529 | uint32_t v = nv_rd32(dev, 0x402000); | |
530 | nv_wr32(dev, 0x402000, v); | |
531 | ||
532 | /* dump the error anyway for now: it's useful for | |
533 | Gallium development */ | |
534 | unhandled = 1; | |
6ee73861 BS |
535 | } else { |
536 | unhandled = 1; | |
537 | } | |
538 | ||
539 | if (unhandled && nouveau_ratelimit()) | |
540 | nouveau_graph_dump_trap_info(dev, "PGRAPH_ERROR", &trap); | |
541 | } | |
542 | ||
543 | static inline void | |
544 | nouveau_pgraph_intr_context_switch(struct drm_device *dev) | |
545 | { | |
546 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
547 | struct nouveau_engine *engine = &dev_priv->engine; | |
548 | uint32_t chid; | |
549 | ||
550 | chid = engine->fifo.channel_id(dev); | |
551 | NV_DEBUG(dev, "PGRAPH context switch interrupt channel %x\n", chid); | |
552 | ||
553 | switch (dev_priv->card_type) { | |
554 | case NV_04: | |
555 | nv04_graph_context_switch(dev); | |
556 | break; | |
557 | case NV_10: | |
558 | nv10_graph_context_switch(dev); | |
559 | break; | |
560 | default: | |
561 | NV_ERROR(dev, "Context switch not implemented\n"); | |
562 | break; | |
563 | } | |
564 | } | |
565 | ||
566 | static void | |
567 | nouveau_pgraph_irq_handler(struct drm_device *dev) | |
568 | { | |
569 | uint32_t status; | |
570 | ||
571 | while ((status = nv_rd32(dev, NV03_PGRAPH_INTR))) { | |
572 | uint32_t nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE); | |
573 | ||
574 | if (status & NV_PGRAPH_INTR_NOTIFY) { | |
575 | nouveau_pgraph_intr_notify(dev, nsource); | |
576 | ||
577 | status &= ~NV_PGRAPH_INTR_NOTIFY; | |
578 | nv_wr32(dev, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_NOTIFY); | |
579 | } | |
580 | ||
581 | if (status & NV_PGRAPH_INTR_ERROR) { | |
582 | nouveau_pgraph_intr_error(dev, nsource); | |
583 | ||
584 | status &= ~NV_PGRAPH_INTR_ERROR; | |
585 | nv_wr32(dev, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_ERROR); | |
586 | } | |
587 | ||
588 | if (status & NV_PGRAPH_INTR_CONTEXT_SWITCH) { | |
6ee73861 BS |
589 | status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH; |
590 | nv_wr32(dev, NV03_PGRAPH_INTR, | |
591 | NV_PGRAPH_INTR_CONTEXT_SWITCH); | |
308dceba FJ |
592 | |
593 | nouveau_pgraph_intr_context_switch(dev); | |
6ee73861 BS |
594 | } |
595 | ||
596 | if (status) { | |
597 | NV_INFO(dev, "Unhandled PGRAPH_INTR - 0x%08x\n", status); | |
598 | nv_wr32(dev, NV03_PGRAPH_INTR, status); | |
599 | } | |
600 | ||
601 | if ((nv_rd32(dev, NV04_PGRAPH_FIFO) & (1 << 0)) == 0) | |
602 | nv_wr32(dev, NV04_PGRAPH_FIFO, 1); | |
603 | } | |
604 | ||
605 | nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING); | |
606 | } | |
607 | ||
304424e1 MK |
608 | static void |
609 | nv50_pfb_vm_trap(struct drm_device *dev, int display, const char *name) | |
610 | { | |
611 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
612 | uint32_t trap[6]; | |
613 | int i, ch; | |
614 | uint32_t idx = nv_rd32(dev, 0x100c90); | |
615 | if (idx & 0x80000000) { | |
616 | idx &= 0xffffff; | |
617 | if (display) { | |
618 | for (i = 0; i < 6; i++) { | |
619 | nv_wr32(dev, 0x100c90, idx | i << 24); | |
620 | trap[i] = nv_rd32(dev, 0x100c94); | |
621 | } | |
622 | for (ch = 0; ch < dev_priv->engine.fifo.channels; ch++) { | |
623 | struct nouveau_channel *chan = dev_priv->fifos[ch]; | |
624 | ||
625 | if (!chan || !chan->ramin) | |
626 | continue; | |
627 | ||
628 | if (trap[1] == chan->ramin->instance >> 12) | |
629 | break; | |
630 | } | |
631 | NV_INFO(dev, "%s - VM: Trapped %s at %02x%04x%04x status %08x %08x channel %d\n", | |
632 | name, (trap[5]&0x100?"read":"write"), | |
633 | trap[5]&0xff, trap[4]&0xffff, | |
634 | trap[3]&0xffff, trap[0], trap[2], ch); | |
635 | } | |
636 | nv_wr32(dev, 0x100c90, idx | 0x80000000); | |
637 | } else if (display) { | |
638 | NV_INFO(dev, "%s - no VM fault?\n", name); | |
639 | } | |
640 | } | |
641 | ||
642 | static struct nouveau_enum_names nv50_mp_exec_error_names[] = | |
643 | { | |
644 | { 3, "STACK_UNDERFLOW" }, | |
645 | { 4, "QUADON_ACTIVE" }, | |
646 | { 8, "TIMEOUT" }, | |
647 | { 0x10, "INVALID_OPCODE" }, | |
648 | { 0x40, "BREAKPOINT" }, | |
649 | }; | |
650 | ||
651 | static void | |
652 | nv50_pgraph_mp_trap(struct drm_device *dev, int tpid, int display) | |
653 | { | |
654 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
655 | uint32_t units = nv_rd32(dev, 0x1540); | |
656 | uint32_t addr, mp10, status, pc, oplow, ophigh; | |
657 | int i; | |
658 | int mps = 0; | |
659 | for (i = 0; i < 4; i++) { | |
660 | if (!(units & 1 << (i+24))) | |
661 | continue; | |
662 | if (dev_priv->chipset < 0xa0) | |
663 | addr = 0x408200 + (tpid << 12) + (i << 7); | |
664 | else | |
665 | addr = 0x408100 + (tpid << 11) + (i << 7); | |
666 | mp10 = nv_rd32(dev, addr + 0x10); | |
667 | status = nv_rd32(dev, addr + 0x14); | |
668 | if (!status) | |
669 | continue; | |
670 | if (display) { | |
671 | nv_rd32(dev, addr + 0x20); | |
672 | pc = nv_rd32(dev, addr + 0x24); | |
673 | oplow = nv_rd32(dev, addr + 0x70); | |
674 | ophigh= nv_rd32(dev, addr + 0x74); | |
675 | NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - " | |
676 | "TP %d MP %d: ", tpid, i); | |
677 | nouveau_print_enum_names(status, | |
678 | nv50_mp_exec_error_names); | |
679 | printk(" at %06x warp %d, opcode %08x %08x\n", | |
680 | pc&0xffffff, pc >> 24, | |
681 | oplow, ophigh); | |
682 | } | |
683 | nv_wr32(dev, addr + 0x10, mp10); | |
684 | nv_wr32(dev, addr + 0x14, 0); | |
685 | mps++; | |
686 | } | |
687 | if (!mps && display) | |
688 | NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - TP %d: " | |
689 | "No MPs claiming errors?\n", tpid); | |
690 | } | |
691 | ||
692 | static void | |
693 | nv50_pgraph_tp_trap(struct drm_device *dev, int type, uint32_t ustatus_old, | |
694 | uint32_t ustatus_new, int display, const char *name) | |
695 | { | |
696 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
697 | int tps = 0; | |
698 | uint32_t units = nv_rd32(dev, 0x1540); | |
699 | int i, r; | |
700 | uint32_t ustatus_addr, ustatus; | |
701 | for (i = 0; i < 16; i++) { | |
702 | if (!(units & (1 << i))) | |
703 | continue; | |
704 | if (dev_priv->chipset < 0xa0) | |
705 | ustatus_addr = ustatus_old + (i << 12); | |
706 | else | |
707 | ustatus_addr = ustatus_new + (i << 11); | |
708 | ustatus = nv_rd32(dev, ustatus_addr) & 0x7fffffff; | |
709 | if (!ustatus) | |
710 | continue; | |
711 | tps++; | |
712 | switch (type) { | |
713 | case 6: /* texture error... unknown for now */ | |
714 | nv50_pfb_vm_trap(dev, display, name); | |
715 | if (display) { | |
716 | NV_ERROR(dev, "magic set %d:\n", i); | |
717 | for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4) | |
718 | NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r, | |
719 | nv_rd32(dev, r)); | |
720 | } | |
721 | break; | |
722 | case 7: /* MP error */ | |
723 | if (ustatus & 0x00010000) { | |
724 | nv50_pgraph_mp_trap(dev, i, display); | |
725 | ustatus &= ~0x00010000; | |
726 | } | |
727 | break; | |
728 | case 8: /* TPDMA error */ | |
729 | { | |
730 | uint32_t e0c = nv_rd32(dev, ustatus_addr + 4); | |
731 | uint32_t e10 = nv_rd32(dev, ustatus_addr + 8); | |
732 | uint32_t e14 = nv_rd32(dev, ustatus_addr + 0xc); | |
733 | uint32_t e18 = nv_rd32(dev, ustatus_addr + 0x10); | |
734 | uint32_t e1c = nv_rd32(dev, ustatus_addr + 0x14); | |
735 | uint32_t e20 = nv_rd32(dev, ustatus_addr + 0x18); | |
736 | uint32_t e24 = nv_rd32(dev, ustatus_addr + 0x1c); | |
737 | nv50_pfb_vm_trap(dev, display, name); | |
738 | /* 2d engine destination */ | |
739 | if (ustatus & 0x00000010) { | |
740 | if (display) { | |
741 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - Unknown fault at address %02x%08x\n", | |
742 | i, e14, e10); | |
743 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", | |
744 | i, e0c, e18, e1c, e20, e24); | |
745 | } | |
746 | ustatus &= ~0x00000010; | |
747 | } | |
748 | /* Render target */ | |
749 | if (ustatus & 0x00000040) { | |
750 | if (display) { | |
751 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - Unknown fault at address %02x%08x\n", | |
752 | i, e14, e10); | |
753 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", | |
754 | i, e0c, e18, e1c, e20, e24); | |
755 | } | |
756 | ustatus &= ~0x00000040; | |
757 | } | |
758 | /* CUDA memory: l[], g[] or stack. */ | |
759 | if (ustatus & 0x00000080) { | |
760 | if (display) { | |
761 | if (e18 & 0x80000000) { | |
762 | /* g[] read fault? */ | |
763 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global read fault at address %02x%08x\n", | |
764 | i, e14, e10 | ((e18 >> 24) & 0x1f)); | |
765 | e18 &= ~0x1f000000; | |
766 | } else if (e18 & 0xc) { | |
767 | /* g[] write fault? */ | |
768 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global write fault at address %02x%08x\n", | |
769 | i, e14, e10 | ((e18 >> 7) & 0x1f)); | |
770 | e18 &= ~0x00000f80; | |
771 | } else { | |
772 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Unknown CUDA fault at address %02x%08x\n", | |
773 | i, e14, e10); | |
774 | } | |
775 | NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n", | |
776 | i, e0c, e18, e1c, e20, e24); | |
777 | } | |
778 | ustatus &= ~0x00000080; | |
779 | } | |
780 | } | |
781 | break; | |
782 | } | |
783 | if (ustatus) { | |
784 | if (display) | |
785 | NV_INFO(dev, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus); | |
786 | } | |
787 | nv_wr32(dev, ustatus_addr, 0xc0000000); | |
788 | } | |
789 | ||
790 | if (!tps && display) | |
791 | NV_INFO(dev, "%s - No TPs claiming errors?\n", name); | |
792 | } | |
793 | ||
794 | static void | |
795 | nv50_pgraph_trap_handler(struct drm_device *dev) | |
796 | { | |
797 | struct nouveau_pgraph_trap trap; | |
798 | uint32_t status = nv_rd32(dev, 0x400108); | |
799 | uint32_t ustatus; | |
800 | int display = nouveau_ratelimit(); | |
801 | ||
802 | ||
803 | if (!status && display) { | |
804 | nouveau_graph_trap_info(dev, &trap); | |
805 | nouveau_graph_dump_trap_info(dev, "PGRAPH_TRAP", &trap); | |
806 | NV_INFO(dev, "PGRAPH_TRAP - no units reporting traps?\n"); | |
807 | } | |
808 | ||
809 | /* DISPATCH: Relays commands to other units and handles NOTIFY, | |
810 | * COND, QUERY. If you get a trap from it, the command is still stuck | |
811 | * in DISPATCH and you need to do something about it. */ | |
812 | if (status & 0x001) { | |
813 | ustatus = nv_rd32(dev, 0x400804) & 0x7fffffff; | |
814 | if (!ustatus && display) { | |
815 | NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - no ustatus?\n"); | |
816 | } | |
817 | ||
818 | /* Known to be triggered by screwed up NOTIFY and COND... */ | |
819 | if (ustatus & 0x00000001) { | |
820 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_DISPATCH_FAULT"); | |
821 | nv_wr32(dev, 0x400500, 0); | |
822 | if (nv_rd32(dev, 0x400808) & 0x80000000) { | |
823 | if (display) { | |
824 | if (nouveau_graph_trapped_channel(dev, &trap.channel)) | |
825 | trap.channel = -1; | |
826 | trap.class = nv_rd32(dev, 0x400814); | |
827 | trap.mthd = nv_rd32(dev, 0x400808) & 0x1ffc; | |
828 | trap.subc = (nv_rd32(dev, 0x400808) >> 16) & 0x7; | |
829 | trap.data = nv_rd32(dev, 0x40080c); | |
830 | trap.data2 = nv_rd32(dev, 0x400810); | |
831 | nouveau_graph_dump_trap_info(dev, | |
832 | "PGRAPH_TRAP_DISPATCH_FAULT", &trap); | |
833 | NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - 400808: %08x\n", nv_rd32(dev, 0x400808)); | |
834 | NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - 400848: %08x\n", nv_rd32(dev, 0x400848)); | |
835 | } | |
836 | nv_wr32(dev, 0x400808, 0); | |
837 | } else if (display) { | |
838 | NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - No stuck command?\n"); | |
839 | } | |
840 | nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3); | |
841 | nv_wr32(dev, 0x400848, 0); | |
842 | ustatus &= ~0x00000001; | |
843 | } | |
844 | if (ustatus & 0x00000002) { | |
845 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_DISPATCH_QUERY"); | |
846 | nv_wr32(dev, 0x400500, 0); | |
847 | if (nv_rd32(dev, 0x40084c) & 0x80000000) { | |
848 | if (display) { | |
849 | if (nouveau_graph_trapped_channel(dev, &trap.channel)) | |
850 | trap.channel = -1; | |
851 | trap.class = nv_rd32(dev, 0x400814); | |
852 | trap.mthd = nv_rd32(dev, 0x40084c) & 0x1ffc; | |
853 | trap.subc = (nv_rd32(dev, 0x40084c) >> 16) & 0x7; | |
854 | trap.data = nv_rd32(dev, 0x40085c); | |
855 | trap.data2 = 0; | |
856 | nouveau_graph_dump_trap_info(dev, | |
857 | "PGRAPH_TRAP_DISPATCH_QUERY", &trap); | |
858 | NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_QUERY - 40084c: %08x\n", nv_rd32(dev, 0x40084c)); | |
859 | } | |
860 | nv_wr32(dev, 0x40084c, 0); | |
861 | } else if (display) { | |
862 | NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_QUERY - No stuck command?\n"); | |
863 | } | |
864 | ustatus &= ~0x00000002; | |
865 | } | |
866 | if (ustatus && display) | |
867 | NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - Unhandled ustatus 0x%08x\n", ustatus); | |
868 | nv_wr32(dev, 0x400804, 0xc0000000); | |
869 | nv_wr32(dev, 0x400108, 0x001); | |
870 | status &= ~0x001; | |
871 | } | |
872 | ||
873 | /* TRAPs other than dispatch use the "normal" trap regs. */ | |
874 | if (status && display) { | |
875 | nouveau_graph_trap_info(dev, &trap); | |
876 | nouveau_graph_dump_trap_info(dev, | |
877 | "PGRAPH_TRAP", &trap); | |
878 | } | |
879 | ||
880 | /* M2MF: Memory to memory copy engine. */ | |
881 | if (status & 0x002) { | |
882 | ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff; | |
883 | if (!ustatus && display) { | |
884 | NV_INFO(dev, "PGRAPH_TRAP_M2MF - no ustatus?\n"); | |
885 | } | |
886 | if (ustatus & 0x00000001) { | |
887 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_NOTIFY"); | |
888 | ustatus &= ~0x00000001; | |
889 | } | |
890 | if (ustatus & 0x00000002) { | |
891 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_IN"); | |
892 | ustatus &= ~0x00000002; | |
893 | } | |
894 | if (ustatus & 0x00000004) { | |
895 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_OUT"); | |
896 | ustatus &= ~0x00000004; | |
897 | } | |
898 | NV_INFO (dev, "PGRAPH_TRAP_M2MF - %08x %08x %08x %08x\n", | |
899 | nv_rd32(dev, 0x406804), | |
900 | nv_rd32(dev, 0x406808), | |
901 | nv_rd32(dev, 0x40680c), | |
902 | nv_rd32(dev, 0x406810)); | |
903 | if (ustatus && display) | |
904 | NV_INFO(dev, "PGRAPH_TRAP_M2MF - Unhandled ustatus 0x%08x\n", ustatus); | |
905 | /* No sane way found yet -- just reset the bugger. */ | |
906 | nv_wr32(dev, 0x400040, 2); | |
907 | nv_wr32(dev, 0x400040, 0); | |
908 | nv_wr32(dev, 0x406800, 0xc0000000); | |
909 | nv_wr32(dev, 0x400108, 0x002); | |
910 | status &= ~0x002; | |
911 | } | |
912 | ||
913 | /* VFETCH: Fetches data from vertex buffers. */ | |
914 | if (status & 0x004) { | |
915 | ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff; | |
916 | if (!ustatus && display) { | |
917 | NV_INFO(dev, "PGRAPH_TRAP_VFETCH - no ustatus?\n"); | |
918 | } | |
919 | if (ustatus & 0x00000001) { | |
920 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_VFETCH_FAULT"); | |
921 | NV_INFO (dev, "PGRAPH_TRAP_VFETCH_FAULT - %08x %08x %08x %08x\n", | |
922 | nv_rd32(dev, 0x400c00), | |
923 | nv_rd32(dev, 0x400c08), | |
924 | nv_rd32(dev, 0x400c0c), | |
925 | nv_rd32(dev, 0x400c10)); | |
926 | ustatus &= ~0x00000001; | |
927 | } | |
928 | if (ustatus && display) | |
929 | NV_INFO(dev, "PGRAPH_TRAP_VFETCH - Unhandled ustatus 0x%08x\n", ustatus); | |
930 | nv_wr32(dev, 0x400c04, 0xc0000000); | |
931 | nv_wr32(dev, 0x400108, 0x004); | |
932 | status &= ~0x004; | |
933 | } | |
934 | ||
935 | /* STRMOUT: DirectX streamout / OpenGL transform feedback. */ | |
936 | if (status & 0x008) { | |
937 | ustatus = nv_rd32(dev, 0x401800) & 0x7fffffff; | |
938 | if (!ustatus && display) { | |
939 | NV_INFO(dev, "PGRAPH_TRAP_STRMOUT - no ustatus?\n"); | |
940 | } | |
941 | if (ustatus & 0x00000001) { | |
942 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_STRMOUT_FAULT"); | |
943 | NV_INFO (dev, "PGRAPH_TRAP_STRMOUT_FAULT - %08x %08x %08x %08x\n", | |
944 | nv_rd32(dev, 0x401804), | |
945 | nv_rd32(dev, 0x401808), | |
946 | nv_rd32(dev, 0x40180c), | |
947 | nv_rd32(dev, 0x401810)); | |
948 | ustatus &= ~0x00000001; | |
949 | } | |
950 | if (ustatus && display) | |
951 | NV_INFO(dev, "PGRAPH_TRAP_STRMOUT - Unhandled ustatus 0x%08x\n", ustatus); | |
952 | /* No sane way found yet -- just reset the bugger. */ | |
953 | nv_wr32(dev, 0x400040, 0x80); | |
954 | nv_wr32(dev, 0x400040, 0); | |
955 | nv_wr32(dev, 0x401800, 0xc0000000); | |
956 | nv_wr32(dev, 0x400108, 0x008); | |
957 | status &= ~0x008; | |
958 | } | |
959 | ||
960 | /* CCACHE: Handles code and c[] caches and fills them. */ | |
961 | if (status & 0x010) { | |
962 | ustatus = nv_rd32(dev, 0x405018) & 0x7fffffff; | |
963 | if (!ustatus && display) { | |
964 | NV_INFO(dev, "PGRAPH_TRAP_CCACHE - no ustatus?\n"); | |
965 | } | |
966 | if (ustatus & 0x00000001) { | |
967 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_CCACHE_FAULT"); | |
968 | NV_INFO (dev, "PGRAPH_TRAP_CCACHE_FAULT - %08x %08x %08x %08x %08x %08x %08x\n", | |
969 | nv_rd32(dev, 0x405800), | |
970 | nv_rd32(dev, 0x405804), | |
971 | nv_rd32(dev, 0x405808), | |
972 | nv_rd32(dev, 0x40580c), | |
973 | nv_rd32(dev, 0x405810), | |
974 | nv_rd32(dev, 0x405814), | |
975 | nv_rd32(dev, 0x40581c)); | |
976 | ustatus &= ~0x00000001; | |
977 | } | |
978 | if (ustatus && display) | |
979 | NV_INFO(dev, "PGRAPH_TRAP_CCACHE - Unhandled ustatus 0x%08x\n", ustatus); | |
980 | nv_wr32(dev, 0x405018, 0xc0000000); | |
981 | nv_wr32(dev, 0x400108, 0x010); | |
982 | status &= ~0x010; | |
983 | } | |
984 | ||
985 | /* Unknown, not seen yet... 0x402000 is the only trap status reg | |
986 | * remaining, so try to handle it anyway. Perhaps related to that | |
987 | * unknown DMA slot on tesla? */ | |
988 | if (status & 0x20) { | |
989 | nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_UNKC04"); | |
990 | ustatus = nv_rd32(dev, 0x402000) & 0x7fffffff; | |
991 | if (display) | |
992 | NV_INFO(dev, "PGRAPH_TRAP_UNKC04 - Unhandled ustatus 0x%08x\n", ustatus); | |
993 | nv_wr32(dev, 0x402000, 0xc0000000); | |
994 | /* no status modifiction on purpose */ | |
995 | } | |
996 | ||
997 | /* TEXTURE: CUDA texturing units */ | |
998 | if (status & 0x040) { | |
999 | nv50_pgraph_tp_trap (dev, 6, 0x408900, 0x408600, display, | |
1000 | "PGRAPH_TRAP_TEXTURE"); | |
1001 | nv_wr32(dev, 0x400108, 0x040); | |
1002 | status &= ~0x040; | |
1003 | } | |
1004 | ||
1005 | /* MP: CUDA execution engines. */ | |
1006 | if (status & 0x080) { | |
1007 | nv50_pgraph_tp_trap (dev, 7, 0x408314, 0x40831c, display, | |
1008 | "PGRAPH_TRAP_MP"); | |
1009 | nv_wr32(dev, 0x400108, 0x080); | |
1010 | status &= ~0x080; | |
1011 | } | |
1012 | ||
1013 | /* TPDMA: Handles TP-initiated uncached memory accesses: | |
1014 | * l[], g[], stack, 2d surfaces, render targets. */ | |
1015 | if (status & 0x100) { | |
1016 | nv50_pgraph_tp_trap (dev, 8, 0x408e08, 0x408708, display, | |
1017 | "PGRAPH_TRAP_TPDMA"); | |
1018 | nv_wr32(dev, 0x400108, 0x100); | |
1019 | status &= ~0x100; | |
1020 | } | |
1021 | ||
1022 | if (status) { | |
1023 | if (display) | |
1024 | NV_INFO(dev, "PGRAPH_TRAP - Unknown trap 0x%08x\n", | |
1025 | status); | |
1026 | nv_wr32(dev, 0x400108, status); | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | /* There must be a *lot* of these. Will take some time to gather them up. */ | |
1031 | static struct nouveau_enum_names nv50_data_error_names[] = | |
1032 | { | |
1033 | { 4, "INVALID_VALUE" }, | |
1034 | { 5, "INVALID_ENUM" }, | |
1035 | { 8, "INVALID_OBJECT" }, | |
1036 | { 0xc, "INVALID_BITFIELD" }, | |
1037 | { 0x28, "MP_NO_REG_SPACE" }, | |
1038 | { 0x2b, "MP_BLOCK_SIZE_MISMATCH" }, | |
1039 | }; | |
1040 | ||
6ee73861 BS |
1041 | static void |
1042 | nv50_pgraph_irq_handler(struct drm_device *dev) | |
1043 | { | |
304424e1 MK |
1044 | struct nouveau_pgraph_trap trap; |
1045 | int unhandled = 0; | |
b1d37aa0 | 1046 | uint32_t status; |
6ee73861 | 1047 | |
b1d37aa0 | 1048 | while ((status = nv_rd32(dev, NV03_PGRAPH_INTR))) { |
304424e1 | 1049 | /* NOTIFY: You've set a NOTIFY an a command and it's done. */ |
b1d37aa0 | 1050 | if (status & 0x00000001) { |
304424e1 MK |
1051 | nouveau_graph_trap_info(dev, &trap); |
1052 | if (nouveau_ratelimit()) | |
1053 | nouveau_graph_dump_trap_info(dev, | |
1054 | "PGRAPH_NOTIFY", &trap); | |
b1d37aa0 MM |
1055 | status &= ~0x00000001; |
1056 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000001); | |
1057 | } | |
6ee73861 | 1058 | |
304424e1 MK |
1059 | /* COMPUTE_QUERY: Purpose and exact cause unknown, happens |
1060 | * when you write 0x200 to 0x50c0 method 0x31c. */ | |
1061 | if (status & 0x00000002) { | |
1062 | nouveau_graph_trap_info(dev, &trap); | |
1063 | if (nouveau_ratelimit()) | |
1064 | nouveau_graph_dump_trap_info(dev, | |
1065 | "PGRAPH_COMPUTE_QUERY", &trap); | |
1066 | status &= ~0x00000002; | |
1067 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000002); | |
1068 | } | |
6ee73861 | 1069 | |
304424e1 MK |
1070 | /* Unknown, never seen: 0x4 */ |
1071 | ||
1072 | /* ILLEGAL_MTHD: You used a wrong method for this class. */ | |
1073 | if (status & 0x00000010) { | |
1074 | nouveau_graph_trap_info(dev, &trap); | |
1075 | if (nouveau_pgraph_intr_swmthd(dev, &trap)) | |
1076 | unhandled = 1; | |
1077 | if (unhandled && nouveau_ratelimit()) | |
1078 | nouveau_graph_dump_trap_info(dev, | |
1079 | "PGRAPH_ILLEGAL_MTHD", &trap); | |
b1d37aa0 MM |
1080 | status &= ~0x00000010; |
1081 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000010); | |
1082 | } | |
6ee73861 | 1083 | |
304424e1 MK |
1084 | /* ILLEGAL_CLASS: You used a wrong class. */ |
1085 | if (status & 0x00000020) { | |
1086 | nouveau_graph_trap_info(dev, &trap); | |
1087 | if (nouveau_ratelimit()) | |
1088 | nouveau_graph_dump_trap_info(dev, | |
1089 | "PGRAPH_ILLEGAL_CLASS", &trap); | |
1090 | status &= ~0x00000020; | |
1091 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000020); | |
1092 | } | |
1093 | ||
1094 | /* DOUBLE_NOTIFY: You tried to set a NOTIFY on another NOTIFY. */ | |
1095 | if (status & 0x00000040) { | |
1096 | nouveau_graph_trap_info(dev, &trap); | |
1097 | if (nouveau_ratelimit()) | |
1098 | nouveau_graph_dump_trap_info(dev, | |
1099 | "PGRAPH_DOUBLE_NOTIFY", &trap); | |
1100 | status &= ~0x00000040; | |
1101 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000040); | |
1102 | } | |
1103 | ||
1104 | /* CONTEXT_SWITCH: PGRAPH needs us to load a new context */ | |
b1d37aa0 MM |
1105 | if (status & 0x00001000) { |
1106 | nv_wr32(dev, 0x400500, 0x00000000); | |
1107 | nv_wr32(dev, NV03_PGRAPH_INTR, | |
1108 | NV_PGRAPH_INTR_CONTEXT_SWITCH); | |
1109 | nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev, | |
1110 | NV40_PGRAPH_INTR_EN) & | |
1111 | ~NV_PGRAPH_INTR_CONTEXT_SWITCH); | |
1112 | nv_wr32(dev, 0x400500, 0x00010001); | |
6ee73861 | 1113 | |
b1d37aa0 | 1114 | nv50_graph_context_switch(dev); |
6ee73861 | 1115 | |
b1d37aa0 MM |
1116 | status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH; |
1117 | } | |
6ee73861 | 1118 | |
304424e1 MK |
1119 | /* BUFFER_NOTIFY: Your m2mf transfer finished */ |
1120 | if (status & 0x00010000) { | |
1121 | nouveau_graph_trap_info(dev, &trap); | |
1122 | if (nouveau_ratelimit()) | |
1123 | nouveau_graph_dump_trap_info(dev, | |
1124 | "PGRAPH_BUFFER_NOTIFY", &trap); | |
1125 | status &= ~0x00010000; | |
1126 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00010000); | |
1127 | } | |
6ee73861 | 1128 | |
304424e1 MK |
1129 | /* DATA_ERROR: Invalid value for this method, or invalid |
1130 | * state in current PGRAPH context for this operation */ | |
1131 | if (status & 0x00100000) { | |
1132 | nouveau_graph_trap_info(dev, &trap); | |
1133 | if (nouveau_ratelimit()) { | |
1134 | nouveau_graph_dump_trap_info(dev, | |
1135 | "PGRAPH_DATA_ERROR", &trap); | |
1136 | NV_INFO (dev, "PGRAPH_DATA_ERROR - "); | |
1137 | nouveau_print_enum_names(nv_rd32(dev, 0x400110), | |
1138 | nv50_data_error_names); | |
1139 | printk("\n"); | |
1140 | } | |
b1d37aa0 MM |
1141 | status &= ~0x00100000; |
1142 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00100000); | |
1143 | } | |
6ee73861 | 1144 | |
304424e1 MK |
1145 | /* TRAP: Something bad happened in the middle of command |
1146 | * execution. Has a billion types, subtypes, and even | |
1147 | * subsubtypes. */ | |
b1d37aa0 | 1148 | if (status & 0x00200000) { |
304424e1 | 1149 | nv50_pgraph_trap_handler(dev); |
b1d37aa0 | 1150 | status &= ~0x00200000; |
b1d37aa0 MM |
1151 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x00200000); |
1152 | } | |
6ee73861 | 1153 | |
304424e1 MK |
1154 | /* Unknown, never seen: 0x00400000 */ |
1155 | ||
1156 | /* SINGLE_STEP: Happens on every method if you turned on | |
1157 | * single stepping in 40008c */ | |
1158 | if (status & 0x01000000) { | |
1159 | nouveau_graph_trap_info(dev, &trap); | |
1160 | if (nouveau_ratelimit()) | |
1161 | nouveau_graph_dump_trap_info(dev, | |
1162 | "PGRAPH_SINGLE_STEP", &trap); | |
1163 | status &= ~0x01000000; | |
1164 | nv_wr32(dev, NV03_PGRAPH_INTR, 0x01000000); | |
1165 | } | |
1166 | ||
1167 | /* 0x02000000 happens when you pause a ctxprog... | |
1168 | * but the only way this can happen that I know is by | |
1169 | * poking the relevant MMIO register, and we don't | |
1170 | * do that. */ | |
1171 | ||
b1d37aa0 MM |
1172 | if (status) { |
1173 | NV_INFO(dev, "Unhandled PGRAPH_INTR - 0x%08x\n", | |
1174 | status); | |
1175 | nv_wr32(dev, NV03_PGRAPH_INTR, status); | |
1176 | } | |
6ee73861 | 1177 | |
b1d37aa0 MM |
1178 | { |
1179 | const int isb = (1 << 16) | (1 << 0); | |
6ee73861 | 1180 | |
b1d37aa0 MM |
1181 | if ((nv_rd32(dev, 0x400500) & isb) != isb) |
1182 | nv_wr32(dev, 0x400500, | |
1183 | nv_rd32(dev, 0x400500) | isb); | |
1184 | } | |
6ee73861 BS |
1185 | } |
1186 | ||
1187 | nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING); | |
304424e1 MK |
1188 | if (nv_rd32(dev, 0x400824) & (1 << 31)) |
1189 | nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31)); | |
6ee73861 BS |
1190 | } |
1191 | ||
1192 | static void | |
1193 | nouveau_crtc_irq_handler(struct drm_device *dev, int crtc) | |
1194 | { | |
1195 | if (crtc & 1) | |
1196 | nv_wr32(dev, NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK); | |
1197 | ||
1198 | if (crtc & 2) | |
1199 | nv_wr32(dev, NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK); | |
1200 | } | |
1201 | ||
1202 | irqreturn_t | |
1203 | nouveau_irq_handler(DRM_IRQ_ARGS) | |
1204 | { | |
1205 | struct drm_device *dev = (struct drm_device *)arg; | |
1206 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
38651674 | 1207 | uint32_t status; |
ff9e5279 | 1208 | unsigned long flags; |
6ee73861 BS |
1209 | |
1210 | status = nv_rd32(dev, NV03_PMC_INTR_0); | |
1211 | if (!status) | |
1212 | return IRQ_NONE; | |
1213 | ||
ff9e5279 MM |
1214 | spin_lock_irqsave(&dev_priv->context_switch_lock, flags); |
1215 | ||
6ee73861 BS |
1216 | if (status & NV_PMC_INTR_0_PFIFO_PENDING) { |
1217 | nouveau_fifo_irq_handler(dev); | |
1218 | status &= ~NV_PMC_INTR_0_PFIFO_PENDING; | |
1219 | } | |
1220 | ||
1221 | if (status & NV_PMC_INTR_0_PGRAPH_PENDING) { | |
1222 | if (dev_priv->card_type >= NV_50) | |
1223 | nv50_pgraph_irq_handler(dev); | |
1224 | else | |
1225 | nouveau_pgraph_irq_handler(dev); | |
1226 | ||
1227 | status &= ~NV_PMC_INTR_0_PGRAPH_PENDING; | |
1228 | } | |
1229 | ||
1230 | if (status & NV_PMC_INTR_0_CRTCn_PENDING) { | |
1231 | nouveau_crtc_irq_handler(dev, (status>>24)&3); | |
1232 | status &= ~NV_PMC_INTR_0_CRTCn_PENDING; | |
1233 | } | |
1234 | ||
1235 | if (status & (NV_PMC_INTR_0_NV50_DISPLAY_PENDING | | |
1236 | NV_PMC_INTR_0_NV50_I2C_PENDING)) { | |
1237 | nv50_display_irq_handler(dev); | |
1238 | status &= ~(NV_PMC_INTR_0_NV50_DISPLAY_PENDING | | |
1239 | NV_PMC_INTR_0_NV50_I2C_PENDING); | |
1240 | } | |
1241 | ||
1242 | if (status) | |
1243 | NV_ERROR(dev, "Unhandled PMC INTR status bits 0x%08x\n", status); | |
1244 | ||
ff9e5279 MM |
1245 | spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); |
1246 | ||
6ee73861 BS |
1247 | return IRQ_HANDLED; |
1248 | } |