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drm/nouveau: properly handle pushbuffer check failures
[deliverable/linux.git] / drivers / gpu / drm / nouveau / nv50_graph.c
CommitLineData
6ee73861
BS		 1/*
2 * Copyright (C) 2007 Ben Skeggs.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include "drmP.h"
28#include "drm.h"
29#include "nouveau_drv.h"
a8eaebc6 30#include "nouveau_ramht.h"
d5f3c90d 31#include "nouveau_grctx.h"
332b242f 32#include "nouveau_dma.h"
a11c3198 33#include "nouveau_vm.h"
332b242f 34#include "nv50_evo.h"
6ee73861 35
274fec93
BS		 36static int nv50_graph_register(struct drm_device *);
37static void nv50_graph_isr(struct drm_device *);
b8c157d3 38
6ee73861
BS		 39static void
40nv50_graph_init_reset(struct drm_device *dev)
41{
42 uint32_t pmc_e = NV_PMC_ENABLE_PGRAPH | (1 << 21);
43
44 NV_DEBUG(dev, "\n");
45
46 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) & ~pmc_e);
47 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) | pmc_e);
48}
49
50static void
51nv50_graph_init_intr(struct drm_device *dev)
52{
53 NV_DEBUG(dev, "\n");
54
274fec93 55 nouveau_irq_register(dev, 12, nv50_graph_isr);
6ee73861
BS		 56 nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff);
57 nv_wr32(dev, 0x400138, 0xffffffff);
58 nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff);
59}
60
61static void
62nv50_graph_init_regs__nv(struct drm_device *dev)
63{
304424e1
MK		 64 struct drm_nouveau_private *dev_priv = dev->dev_private;
65 uint32_t units = nv_rd32(dev, 0x1540);
66 int i;
67
6ee73861
BS		 68 NV_DEBUG(dev, "\n");
69
70 nv_wr32(dev, 0x400804, 0xc0000000);
71 nv_wr32(dev, 0x406800, 0xc0000000);
72 nv_wr32(dev, 0x400c04, 0xc0000000);
716abaa8 73 nv_wr32(dev, 0x401800, 0xc0000000);
6ee73861
BS		 74 nv_wr32(dev, 0x405018, 0xc0000000);
75 nv_wr32(dev, 0x402000, 0xc0000000);
76
304424e1
MK		 77 for (i = 0; i < 16; i++) {
78 if (units & 1 << i) {
79 if (dev_priv->chipset < 0xa0) {
80 nv_wr32(dev, 0x408900 + (i << 12), 0xc0000000);
81 nv_wr32(dev, 0x408e08 + (i << 12), 0xc0000000);
82 nv_wr32(dev, 0x408314 + (i << 12), 0xc0000000);
83 } else {
84 nv_wr32(dev, 0x408600 + (i << 11), 0xc0000000);
85 nv_wr32(dev, 0x408708 + (i << 11), 0xc0000000);
86 nv_wr32(dev, 0x40831c + (i << 11), 0xc0000000);
87 }
88 }
89 }
90
6ee73861
BS		 91 nv_wr32(dev, 0x400108, 0xffffffff);
92
93 nv_wr32(dev, 0x400824, 0x00004000);
94 nv_wr32(dev, 0x400500, 0x00010001);
95}
96
97static void
562af10c 98nv50_graph_init_zcull(struct drm_device *dev)
6ee73861 99{
562af10c
BS		 100 struct drm_nouveau_private *dev_priv = dev->dev_private;
101 int i;
102
6ee73861
BS		 103 NV_DEBUG(dev, "\n");
104
562af10c
BS		 105 switch (dev_priv->chipset & 0xf0) {
106 case 0x50:
107 case 0x80:
108 case 0x90:
109 nv_wr32(dev, 0x402ca8, 0x00000800);
110 break;
111 case 0xa0:
112 default:
113 nv_wr32(dev, 0x402cc0, 0x00000000);
114 if (dev_priv->chipset == 0xa0 ||
115 dev_priv->chipset == 0xaa ||
116 dev_priv->chipset == 0xac) {
117 nv_wr32(dev, 0x402ca8, 0x00000802);
118 } else {
119 nv_wr32(dev, 0x402cc0, 0x00000000);
120 nv_wr32(dev, 0x402ca8, 0x00000002);
121 }
122
123 break;
124 }
125
126 /* zero out zcull regions */
127 for (i = 0; i < 8; i++) {
128 nv_wr32(dev, 0x402c20 + (i * 8), 0x00000000);
129 nv_wr32(dev, 0x402c24 + (i * 8), 0x00000000);
130 nv_wr32(dev, 0x402c28 + (i * 8), 0x00000000);
131 nv_wr32(dev, 0x402c2c + (i * 8), 0x00000000);
132 }
6ee73861
BS		 133}
134
135static int
136nv50_graph_init_ctxctl(struct drm_device *dev)
137{
054b93e4 138 struct drm_nouveau_private *dev_priv = dev->dev_private;
ec91db26
BS		 139 struct nouveau_grctx ctx = {};
140 uint32_t *cp;
141 int i;
054b93e4 142
6ee73861
BS		 143 NV_DEBUG(dev, "\n");
144
ec91db26
BS		 145 cp = kmalloc(512 * 4, GFP_KERNEL);
146 if (!cp) {
147 NV_ERROR(dev, "failed to allocate ctxprog\n");
148 dev_priv->engine.graph.accel_blocked = true;
149 return 0;
d5f3c90d 150 }
ec91db26
BS		 151
152 ctx.dev = dev;
153 ctx.mode = NOUVEAU_GRCTX_PROG;
154 ctx.data = cp;
155 ctx.ctxprog_max = 512;
156 if (!nv50_grctx_init(&ctx)) {
157 dev_priv->engine.graph.grctx_size = ctx.ctxvals_pos * 4;
158
159 nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
160 for (i = 0; i < ctx.ctxprog_len; i++)
161 nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
162 } else {
163 dev_priv->engine.graph.accel_blocked = true;
d5f3c90d 164 }
ec91db26 165 kfree(cp);
6ee73861 166
562af10c 167 nv_wr32(dev, 0x40008c, 0x00000004); /* HW_CTX_SWITCH_ENABLED */
6ee73861
BS		 168 nv_wr32(dev, 0x400320, 4);
169 nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0);
170 nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, 0);
171 return 0;
172}
173
174int
175nv50_graph_init(struct drm_device *dev)
176{
177 int ret;
178
179 NV_DEBUG(dev, "\n");
180
181 nv50_graph_init_reset(dev);
182 nv50_graph_init_regs__nv(dev);
562af10c 183 nv50_graph_init_zcull(dev);
6ee73861
BS		 184
185 ret = nv50_graph_init_ctxctl(dev);
186 if (ret)
187 return ret;
188
b8c157d3
BS		 189 ret = nv50_graph_register(dev);
190 if (ret)
191 return ret;
192 nv50_graph_init_intr(dev);
6ee73861
BS		 193 return 0;
194}
195
196void
197nv50_graph_takedown(struct drm_device *dev)
198{
199 NV_DEBUG(dev, "\n");
274fec93
BS		 200 nv_wr32(dev, 0x40013c, 0x00000000);
201 nouveau_irq_unregister(dev, 12);
6ee73861
BS		 202}
203
204void
205nv50_graph_fifo_access(struct drm_device *dev, bool enabled)
206{
207 const uint32_t mask = 0x00010001;
208
209 if (enabled)
210 nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) | mask);
211 else
212 nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) & ~mask);
213}
214
215struct nouveau_channel *
216nv50_graph_channel(struct drm_device *dev)
217{
218 struct drm_nouveau_private *dev_priv = dev->dev_private;
219 uint32_t inst;
220 int i;
221
a51a3bf5
MM		 222 /* Be sure we're not in the middle of a context switch or bad things
223 * will happen, such as unloading the wrong pgraph context.
224 */
4b5c152a 225 if (!nv_wait(dev, 0x400300, 0x00000001, 0x00000000))
a51a3bf5
MM		 226 NV_ERROR(dev, "Ctxprog is still running\n");
227
6ee73861
BS		 228 inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
229 if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
230 return NULL;
231 inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12;
232
233 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
cff5c133 234 struct nouveau_channel *chan = dev_priv->channels.ptr[i];
6ee73861 235
a8eaebc6 236 if (chan && chan->ramin && chan->ramin->vinst == inst)
6ee73861
BS		 237 return chan;
238 }
239
240 return NULL;
241}
242
243int
244nv50_graph_create_context(struct nouveau_channel *chan)
245{
246 struct drm_device *dev = chan->dev;
247 struct drm_nouveau_private *dev_priv = dev->dev_private;
a8eaebc6 248 struct nouveau_gpuobj *ramin = chan->ramin;
d5f3c90d 249 struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
ec91db26 250 struct nouveau_grctx ctx = {};
6ee73861
BS		 251 int hdr, ret;
252
253 NV_DEBUG(dev, "ch%d\n", chan->id);
254
3052be2c 255 ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0,
a8eaebc6
BS		 256 NVOBJ_FLAG_ZERO_ALLOC |
257 NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
6ee73861
BS		 258 if (ret)
259 return ret;
6ee73861 260
ac94a343 261 hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
b3beb167 262 nv_wo32(ramin, hdr + 0x00, 0x00190002);
a8eaebc6 263 nv_wo32(ramin, hdr + 0x04, chan->ramin_grctx->vinst +
b3beb167 264 pgraph->grctx_size - 1);
a8eaebc6 265 nv_wo32(ramin, hdr + 0x08, chan->ramin_grctx->vinst);
b3beb167
BS		 266 nv_wo32(ramin, hdr + 0x0c, 0);
267 nv_wo32(ramin, hdr + 0x10, 0);
268 nv_wo32(ramin, hdr + 0x14, 0x00010000);
6ee73861 269
ec91db26
BS		 270 ctx.dev = chan->dev;
271 ctx.mode = NOUVEAU_GRCTX_VALS;
a8eaebc6 272 ctx.data = chan->ramin_grctx;
ec91db26
BS		 273 nv50_grctx_init(&ctx);
274
a8eaebc6 275 nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12);
6ee73861 276
f56cb86f 277 dev_priv->engine.instmem.flush(dev);
4c136142 278 atomic_inc(&chan->vm->pgraph_refs);
6ee73861
BS		 279 return 0;
280}
281
282void
283nv50_graph_destroy_context(struct nouveau_channel *chan)
284{
285 struct drm_device *dev = chan->dev;
286 struct drm_nouveau_private *dev_priv = dev->dev_private;
3945e475 287 struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
34311c73 288 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
ac94a343 289 int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
3945e475 290 unsigned long flags;
6ee73861
BS		 291
292 NV_DEBUG(dev, "ch%d\n", chan->id);
293
a8eaebc6 294 if (!chan->ramin)
6ee73861
BS		 295 return;
296
3945e475 297 spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
34311c73 298 pfifo->reassign(dev, false);
3945e475
FJ		 299 pgraph->fifo_access(dev, false);
300
301 if (pgraph->channel(dev) == chan)
302 pgraph->unload_context(dev);
303
6ee73861 304 for (i = hdr; i < hdr + 24; i += 4)
a8eaebc6 305 nv_wo32(chan->ramin, i, 0);
f56cb86f 306 dev_priv->engine.instmem.flush(dev);
6ee73861 307
3945e475 308 pgraph->fifo_access(dev, true);
34311c73 309 pfifo->reassign(dev, true);
3945e475
FJ		 310 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
311
a8eaebc6 312 nouveau_gpuobj_ref(NULL, &chan->ramin_grctx);
4c136142
BS		 313
314 atomic_dec(&chan->vm->pgraph_refs);
6ee73861
BS		 315}
316
317static int
318nv50_graph_do_load_context(struct drm_device *dev, uint32_t inst)
319{
320 uint32_t fifo = nv_rd32(dev, 0x400500);
321
322 nv_wr32(dev, 0x400500, fifo & ~1);
323 nv_wr32(dev, 0x400784, inst);
324 nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x40);
325 nv_wr32(dev, 0x400320, nv_rd32(dev, 0x400320) | 0x11);
326 nv_wr32(dev, 0x400040, 0xffffffff);
327 (void)nv_rd32(dev, 0x400040);
328 nv_wr32(dev, 0x400040, 0x00000000);
329 nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 1);
330
331 if (nouveau_wait_for_idle(dev))
332 nv_wr32(dev, 0x40032c, inst | (1<<31));
333 nv_wr32(dev, 0x400500, fifo);
334
335 return 0;
336}
337
338int
339nv50_graph_load_context(struct nouveau_channel *chan)
340{
a8eaebc6 341 uint32_t inst = chan->ramin->vinst >> 12;
6ee73861
BS		 342
343 NV_DEBUG(chan->dev, "ch%d\n", chan->id);
344 return nv50_graph_do_load_context(chan->dev, inst);
345}
346
347int
348nv50_graph_unload_context(struct drm_device *dev)
349{
a51a3bf5 350 uint32_t inst;
6ee73861
BS		 351
352 inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
353 if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
354 return 0;
355 inst &= NV50_PGRAPH_CTXCTL_CUR_INSTANCE;
356
0a90dc51 357 nouveau_wait_for_idle(dev);
6ee73861
BS		 358 nv_wr32(dev, 0x400784, inst);
359 nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x20);
360 nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 0x01);
361 nouveau_wait_for_idle(dev);
6ee73861
BS		 362
363 nv_wr32(dev, NV50_PGRAPH_CTXCTL_CUR, inst);
364 return 0;
365}
366
274fec93 367static void
6ee73861
BS		 368nv50_graph_context_switch(struct drm_device *dev)
369{
370 uint32_t inst;
371
372 nv50_graph_unload_context(dev);
373
374 inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_NEXT);
375 inst &= NV50_PGRAPH_CTXCTL_NEXT_INSTANCE;
376 nv50_graph_do_load_context(dev, inst);
377
378 nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev,
379 NV40_PGRAPH_INTR_EN) | NV_PGRAPH_INTR_CONTEXT_SWITCH);
380}
381
382static int
b8c157d3
BS		 383nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan,
384 u32 class, u32 mthd, u32 data)
6ee73861 385{
a8eaebc6 386 struct nouveau_gpuobj *gpuobj;
6ee73861 387
a8eaebc6
BS		 388 gpuobj = nouveau_ramht_find(chan, data);
389 if (!gpuobj)
6ee73861
BS		 390 return -ENOENT;
391
a8eaebc6 392 if (nouveau_notifier_offset(gpuobj, NULL))
6ee73861
BS		 393 return -EINVAL;
394
a8eaebc6 395 chan->nvsw.vblsem = gpuobj;
6ee73861
BS		 396 chan->nvsw.vblsem_offset = ~0;
397 return 0;
398}
399
400static int
b8c157d3
BS		 401nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan,
402 u32 class, u32 mthd, u32 data)
6ee73861
BS		 403{
404 if (nouveau_notifier_offset(chan->nvsw.vblsem, &data))
405 return -ERANGE;
406
407 chan->nvsw.vblsem_offset = data >> 2;
408 return 0;
409}
410
411static int
b8c157d3
BS		 412nv50_graph_nvsw_vblsem_release_val(struct nouveau_channel *chan,
413 u32 class, u32 mthd, u32 data)
6ee73861
BS		 414{
415 chan->nvsw.vblsem_rval = data;
416 return 0;
417}
418
419static int
b8c157d3
BS		 420nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan,
421 u32 class, u32 mthd, u32 data)
6ee73861
BS		 422{
423 struct drm_device *dev = chan->dev;
424 struct drm_nouveau_private *dev_priv = dev->dev_private;
425
426 if (!chan->nvsw.vblsem || chan->nvsw.vblsem_offset == ~0 || data > 1)
427 return -EINVAL;
428
042206c0 429 drm_vblank_get(dev, data);
1f6d2de2
FJ		 430
431 chan->nvsw.vblsem_head = data;
6ee73861 432 list_add(&chan->nvsw.vbl_wait, &dev_priv->vbl_waiting);
1f6d2de2 433
6ee73861
BS		 434 return 0;
435}
436
332b242f
FJ		 437static int
438nv50_graph_nvsw_mthd_page_flip(struct nouveau_channel *chan,
439 u32 class, u32 mthd, u32 data)
440{
d7117e0d 441 nouveau_finish_page_flip(chan, NULL);
332b242f
FJ		 442 return 0;
443}
444
b8c157d3
BS		 445static int
446nv50_graph_register(struct drm_device *dev)
447{
448 struct drm_nouveau_private *dev_priv = dev->dev_private;
449
450 if (dev_priv->engine.graph.registered)
451 return 0;
452
453 NVOBJ_CLASS(dev, 0x506e, SW); /* nvsw */
454 NVOBJ_MTHD (dev, 0x506e, 0x018c, nv50_graph_nvsw_dma_vblsem);
455 NVOBJ_MTHD (dev, 0x506e, 0x0400, nv50_graph_nvsw_vblsem_offset);
456 NVOBJ_MTHD (dev, 0x506e, 0x0404, nv50_graph_nvsw_vblsem_release_val);
457 NVOBJ_MTHD (dev, 0x506e, 0x0408, nv50_graph_nvsw_vblsem_release);
332b242f 458 NVOBJ_MTHD (dev, 0x506e, 0x0500, nv50_graph_nvsw_mthd_page_flip);
b8c157d3
BS		 459
460 NVOBJ_CLASS(dev, 0x0030, GR); /* null */
461 NVOBJ_CLASS(dev, 0x5039, GR); /* m2mf */
462 NVOBJ_CLASS(dev, 0x502d, GR); /* 2d */
b8c157d3
BS		 463
464 /* tesla */
465 if (dev_priv->chipset == 0x50)
466 NVOBJ_CLASS(dev, 0x5097, GR); /* tesla (nv50) */
467 else
468 if (dev_priv->chipset < 0xa0)
469 NVOBJ_CLASS(dev, 0x8297, GR); /* tesla (nv8x/nv9x) */
470 else {
471 switch (dev_priv->chipset) {
472 case 0xa0:
473 case 0xaa:
474 case 0xac:
475 NVOBJ_CLASS(dev, 0x8397, GR);
476 break;
477 case 0xa3:
478 case 0xa5:
479 case 0xa8:
480 NVOBJ_CLASS(dev, 0x8597, GR);
481 break;
482 case 0xaf:
483 NVOBJ_CLASS(dev, 0x8697, GR);
484 break;
485 }
486 }
487
aa2c2e80 488 /* compute */
a169f09b
BS		 489 NVOBJ_CLASS(dev, 0x50c0, GR);
490 if (dev_priv->chipset > 0xa0 &&
491 dev_priv->chipset != 0xaa &&
492 dev_priv->chipset != 0xac)
aa2c2e80
BS		 493 NVOBJ_CLASS(dev, 0x85c0, GR);
494
b8c157d3
BS		 495 dev_priv->engine.graph.registered = true;
496 return 0;
497}
56ac7475
BS		 498
499void
500nv50_graph_tlb_flush(struct drm_device *dev)
501{
a11c3198 502 nv50_vm_flush_engine(dev, 0);
56ac7475
BS		 503}
504
505void
506nv86_graph_tlb_flush(struct drm_device *dev)
507{
508 struct drm_nouveau_private *dev_priv = dev->dev_private;
509 struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
510 bool idle, timeout = false;
511 unsigned long flags;
512 u64 start;
513 u32 tmp;
514
515 spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
516 nv_mask(dev, 0x400500, 0x00000001, 0x00000000);
517
518 start = ptimer->read(dev);
519 do {
520 idle = true;
521
522 for (tmp = nv_rd32(dev, 0x400380); tmp && idle; tmp >>= 3) {
523 if ((tmp & 7) == 1)
524 idle = false;
525 }
526
527 for (tmp = nv_rd32(dev, 0x400384); tmp && idle; tmp >>= 3) {
528 if ((tmp & 7) == 1)
529 idle = false;
530 }
531
532 for (tmp = nv_rd32(dev, 0x400388); tmp && idle; tmp >>= 3) {
533 if ((tmp & 7) == 1)
534 idle = false;
535 }
536 } while (!idle && !(timeout = ptimer->read(dev) - start > 2000000000));
537
538 if (timeout) {
539 NV_ERROR(dev, "PGRAPH TLB flush idle timeout fail: "
540 "0x%08x 0x%08x 0x%08x 0x%08x\n",
541 nv_rd32(dev, 0x400700), nv_rd32(dev, 0x400380),
542 nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388));
543 }
544
a11c3198 545 nv50_vm_flush_engine(dev, 0);
56ac7475
BS		 546
547 nv_mask(dev, 0x400500, 0x00000001, 0x00000001);
548 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
549}
274fec93
BS		 550
551static struct nouveau_enum nv50_mp_exec_error_names[] =
552{
553 { 3, "STACK_UNDERFLOW" },
554 { 4, "QUADON_ACTIVE" },
555 { 8, "TIMEOUT" },
556 { 0x10, "INVALID_OPCODE" },
557 { 0x40, "BREAKPOINT" },
558 {}
559};
560
561static struct nouveau_bitfield nv50_graph_trap_m2mf[] = {
562 { 0x00000001, "NOTIFY" },
563 { 0x00000002, "IN" },
564 { 0x00000004, "OUT" },
565 {}
566};
567
568static struct nouveau_bitfield nv50_graph_trap_vfetch[] = {
569 { 0x00000001, "FAULT" },
570 {}
571};
572
573static struct nouveau_bitfield nv50_graph_trap_strmout[] = {
574 { 0x00000001, "FAULT" },
575 {}
576};
577
578static struct nouveau_bitfield nv50_graph_trap_ccache[] = {
579 { 0x00000001, "FAULT" },
580 {}
581};
582
583/* There must be a *lot* of these. Will take some time to gather them up. */
6effe393
BS		 584struct nouveau_enum nv50_data_error_names[] = {
585 { 0x00000003, "INVALID_QUERY_OR_TEXTURE" },
586 { 0x00000004, "INVALID_VALUE" },
587 { 0x00000005, "INVALID_ENUM" },
588 { 0x00000008, "INVALID_OBJECT" },
589 { 0x00000009, "READ_ONLY_OBJECT" },
590 { 0x0000000a, "SUPERVISOR_OBJECT" },
591 { 0x0000000b, "INVALID_ADDRESS_ALIGNMENT" },
592 { 0x0000000c, "INVALID_BITFIELD" },
593 { 0x0000000d, "BEGIN_END_ACTIVE" },
594 { 0x0000000e, "SEMANTIC_COLOR_BACK_OVER_LIMIT" },
595 { 0x0000000f, "VIEWPORT_ID_NEEDS_GP" },
596 { 0x00000010, "RT_DOUBLE_BIND" },
597 { 0x00000011, "RT_TYPES_MISMATCH" },
598 { 0x00000012, "RT_LINEAR_WITH_ZETA" },
599 { 0x00000015, "FP_TOO_FEW_REGS" },
600 { 0x00000016, "ZETA_FORMAT_CSAA_MISMATCH" },
601 { 0x00000017, "RT_LINEAR_WITH_MSAA" },
602 { 0x00000018, "FP_INTERPOLANT_START_OVER_LIMIT" },
603 { 0x00000019, "SEMANTIC_LAYER_OVER_LIMIT" },
604 { 0x0000001a, "RT_INVALID_ALIGNMENT" },
605 { 0x0000001b, "SAMPLER_OVER_LIMIT" },
606 { 0x0000001c, "TEXTURE_OVER_LIMIT" },
607 { 0x0000001e, "GP_TOO_MANY_OUTPUTS" },
608 { 0x0000001f, "RT_BPP128_WITH_MS8" },
609 { 0x00000021, "Z_OUT_OF_BOUNDS" },
610 { 0x00000023, "XY_OUT_OF_BOUNDS" },
611 { 0x00000027, "CP_MORE_PARAMS_THAN_SHARED" },
612 { 0x00000028, "CP_NO_REG_SPACE_STRIPED" },
613 { 0x00000029, "CP_NO_REG_SPACE_PACKED" },
614 { 0x0000002a, "CP_NOT_ENOUGH_WARPS" },
615 { 0x0000002b, "CP_BLOCK_SIZE_MISMATCH" },
616 { 0x0000002c, "CP_NOT_ENOUGH_LOCAL_WARPS" },
617 { 0x0000002d, "CP_NOT_ENOUGH_STACK_WARPS" },
618 { 0x0000002e, "CP_NO_BLOCKDIM_LATCH" },
619 { 0x00000031, "ENG2D_FORMAT_MISMATCH" },
620 { 0x0000003f, "PRIMITIVE_ID_NEEDS_GP" },
621 { 0x00000044, "SEMANTIC_VIEWPORT_OVER_LIMIT" },
622 { 0x00000045, "SEMANTIC_COLOR_FRONT_OVER_LIMIT" },
623 { 0x00000046, "LAYER_ID_NEEDS_GP" },
624 { 0x00000047, "SEMANTIC_CLIP_OVER_LIMIT" },
625 { 0x00000048, "SEMANTIC_PTSZ_OVER_LIMIT" },
274fec93
BS		 626 {}
627};
628
629static struct nouveau_bitfield nv50_graph_intr[] = {
630 { 0x00000001, "NOTIFY" },
631 { 0x00000002, "COMPUTE_QUERY" },
632 { 0x00000010, "ILLEGAL_MTHD" },
633 { 0x00000020, "ILLEGAL_CLASS" },
634 { 0x00000040, "DOUBLE_NOTIFY" },
635 { 0x00001000, "CONTEXT_SWITCH" },
636 { 0x00010000, "BUFFER_NOTIFY" },
637 { 0x00100000, "DATA_ERROR" },
638 { 0x00200000, "TRAP" },
639 { 0x01000000, "SINGLE_STEP" },
640 {}
641};
642
643static void
644nv50_pgraph_mp_trap(struct drm_device *dev, int tpid, int display)
645{
646 struct drm_nouveau_private *dev_priv = dev->dev_private;
647 uint32_t units = nv_rd32(dev, 0x1540);
648 uint32_t addr, mp10, status, pc, oplow, ophigh;
649 int i;
650 int mps = 0;
651 for (i = 0; i < 4; i++) {
652 if (!(units & 1 << (i+24)))
653 continue;
654 if (dev_priv->chipset < 0xa0)
655 addr = 0x408200 + (tpid << 12) + (i << 7);
656 else
657 addr = 0x408100 + (tpid << 11) + (i << 7);
658 mp10 = nv_rd32(dev, addr + 0x10);
659 status = nv_rd32(dev, addr + 0x14);
660 if (!status)
661 continue;
662 if (display) {
663 nv_rd32(dev, addr + 0x20);
664 pc = nv_rd32(dev, addr + 0x24);
665 oplow = nv_rd32(dev, addr + 0x70);
666 ophigh= nv_rd32(dev, addr + 0x74);
667 NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - "
668 "TP %d MP %d: ", tpid, i);
669 nouveau_enum_print(nv50_mp_exec_error_names, status);
670 printk(" at %06x warp %d, opcode %08x %08x\n",
671 pc&0xffffff, pc >> 24,
672 oplow, ophigh);
673 }
674 nv_wr32(dev, addr + 0x10, mp10);
675 nv_wr32(dev, addr + 0x14, 0);
676 mps++;
677 }
678 if (!mps && display)
679 NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - TP %d: "
680 "No MPs claiming errors?\n", tpid);
681}
682
683static void
684nv50_pgraph_tp_trap(struct drm_device *dev, int type, uint32_t ustatus_old,
685 uint32_t ustatus_new, int display, const char *name)
686{
687 struct drm_nouveau_private *dev_priv = dev->dev_private;
688 int tps = 0;
689 uint32_t units = nv_rd32(dev, 0x1540);
690 int i, r;
691 uint32_t ustatus_addr, ustatus;
692 for (i = 0; i < 16; i++) {
693 if (!(units & (1 << i)))
694 continue;
695 if (dev_priv->chipset < 0xa0)
696 ustatus_addr = ustatus_old + (i << 12);
697 else
698 ustatus_addr = ustatus_new + (i << 11);
699 ustatus = nv_rd32(dev, ustatus_addr) & 0x7fffffff;
700 if (!ustatus)
701 continue;
702 tps++;
703 switch (type) {
704 case 6: /* texture error... unknown for now */
705 nv50_fb_vm_trap(dev, display, name);
706 if (display) {
707 NV_ERROR(dev, "magic set %d:\n", i);
708 for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4)
709 NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
710 nv_rd32(dev, r));
711 }
712 break;
713 case 7: /* MP error */
714 if (ustatus & 0x00010000) {
715 nv50_pgraph_mp_trap(dev, i, display);
716 ustatus &= ~0x00010000;
717 }
718 break;
719 case 8: /* TPDMA error */
720 {
721 uint32_t e0c = nv_rd32(dev, ustatus_addr + 4);
722 uint32_t e10 = nv_rd32(dev, ustatus_addr + 8);
723 uint32_t e14 = nv_rd32(dev, ustatus_addr + 0xc);
724 uint32_t e18 = nv_rd32(dev, ustatus_addr + 0x10);
725 uint32_t e1c = nv_rd32(dev, ustatus_addr + 0x14);
726 uint32_t e20 = nv_rd32(dev, ustatus_addr + 0x18);
727 uint32_t e24 = nv_rd32(dev, ustatus_addr + 0x1c);
728 nv50_fb_vm_trap(dev, display, name);
729 /* 2d engine destination */
730 if (ustatus & 0x00000010) {
731 if (display) {
732 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - Unknown fault at address %02x%08x\n",
733 i, e14, e10);
734 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
735 i, e0c, e18, e1c, e20, e24);
736 }
737 ustatus &= ~0x00000010;
738 }
739 /* Render target */
740 if (ustatus & 0x00000040) {
741 if (display) {
742 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - Unknown fault at address %02x%08x\n",
743 i, e14, e10);
744 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
745 i, e0c, e18, e1c, e20, e24);
746 }
747 ustatus &= ~0x00000040;
748 }
749 /* CUDA memory: l[], g[] or stack. */
750 if (ustatus & 0x00000080) {
751 if (display) {
752 if (e18 & 0x80000000) {
753 /* g[] read fault? */
754 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global read fault at address %02x%08x\n",
755 i, e14, e10 | ((e18 >> 24) & 0x1f));
756 e18 &= ~0x1f000000;
757 } else if (e18 & 0xc) {
758 /* g[] write fault? */
759 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global write fault at address %02x%08x\n",
760 i, e14, e10 | ((e18 >> 7) & 0x1f));
761 e18 &= ~0x00000f80;
762 } else {
763 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Unknown CUDA fault at address %02x%08x\n",
764 i, e14, e10);
765 }
766 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
767 i, e0c, e18, e1c, e20, e24);
768 }
769 ustatus &= ~0x00000080;
770 }
771 }
772 break;
773 }
774 if (ustatus) {
775 if (display)
776 NV_INFO(dev, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus);
777 }
778 nv_wr32(dev, ustatus_addr, 0xc0000000);
779 }
780
781 if (!tps && display)
782 NV_INFO(dev, "%s - No TPs claiming errors?\n", name);
783}
784
785static int
786nv50_pgraph_trap_handler(struct drm_device *dev, u32 display, u64 inst, u32 chid)
787{
788 u32 status = nv_rd32(dev, 0x400108);
789 u32 ustatus;
790
791 if (!status && display) {
792 NV_INFO(dev, "PGRAPH - TRAP: no units reporting traps?\n");
793 return 1;
794 }
795
796 /* DISPATCH: Relays commands to other units and handles NOTIFY,
797 * COND, QUERY. If you get a trap from it, the command is still stuck
798 * in DISPATCH and you need to do something about it. */
799 if (status & 0x001) {
800 ustatus = nv_rd32(dev, 0x400804) & 0x7fffffff;
801 if (!ustatus && display) {
802 NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - no ustatus?\n");
803 }
804
805 nv_wr32(dev, 0x400500, 0x00000000);
806
807 /* Known to be triggered by screwed up NOTIFY and COND... */
808 if (ustatus & 0x00000001) {
809 u32 addr = nv_rd32(dev, 0x400808);
810 u32 subc = (addr & 0x00070000) >> 16;
811 u32 mthd = (addr & 0x00001ffc);
812 u32 datal = nv_rd32(dev, 0x40080c);
813 u32 datah = nv_rd32(dev, 0x400810);
814 u32 class = nv_rd32(dev, 0x400814);
815 u32 r848 = nv_rd32(dev, 0x400848);
816
817 NV_INFO(dev, "PGRAPH - TRAP DISPATCH_FAULT\n");
818 if (display && (addr & 0x80000000)) {
819 NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
820 "subc %d class 0x%04x mthd 0x%04x "
821 "data 0x%08x%08x "
822 "400808 0x%08x 400848 0x%08x\n",
823 chid, inst, subc, class, mthd, datah,
824 datal, addr, r848);
825 } else
826 if (display) {
827 NV_INFO(dev, "PGRAPH - no stuck command?\n");
828 }
829
830 nv_wr32(dev, 0x400808, 0);
831 nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3);
832 nv_wr32(dev, 0x400848, 0);
833 ustatus &= ~0x00000001;
834 }
835
836 if (ustatus & 0x00000002) {
837 u32 addr = nv_rd32(dev, 0x40084c);
838 u32 subc = (addr & 0x00070000) >> 16;
839 u32 mthd = (addr & 0x00001ffc);
840 u32 data = nv_rd32(dev, 0x40085c);
841 u32 class = nv_rd32(dev, 0x400814);
842
843 NV_INFO(dev, "PGRAPH - TRAP DISPATCH_QUERY\n");
844 if (display && (addr & 0x80000000)) {
845 NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
846 "subc %d class 0x%04x mthd 0x%04x "
847 "data 0x%08x 40084c 0x%08x\n",
848 chid, inst, subc, class, mthd,
849 data, addr);
850 } else
851 if (display) {
852 NV_INFO(dev, "PGRAPH - no stuck command?\n");
853 }
854
855 nv_wr32(dev, 0x40084c, 0);
856 ustatus &= ~0x00000002;
857 }
858
859 if (ustatus && display) {
860 NV_INFO(dev, "PGRAPH - TRAP_DISPATCH (unknown "
861 "0x%08x)\n", ustatus);
862 }
863
864 nv_wr32(dev, 0x400804, 0xc0000000);
865 nv_wr32(dev, 0x400108, 0x001);
866 status &= ~0x001;
867 if (!status)
868 return 0;
869 }
870
871 /* M2MF: Memory to memory copy engine. */
872 if (status & 0x002) {
873 u32 ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff;
874 if (display) {
875 NV_INFO(dev, "PGRAPH - TRAP_M2MF");
876 nouveau_bitfield_print(nv50_graph_trap_m2mf, ustatus);
877 printk("\n");
878 NV_INFO(dev, "PGRAPH - TRAP_M2MF %08x %08x %08x %08x\n",
879 nv_rd32(dev, 0x406804), nv_rd32(dev, 0x406808),
880 nv_rd32(dev, 0x40680c), nv_rd32(dev, 0x406810));
881
882 }
883
884 /* No sane way found yet -- just reset the bugger. */
885 nv_wr32(dev, 0x400040, 2);
886 nv_wr32(dev, 0x400040, 0);
887 nv_wr32(dev, 0x406800, 0xc0000000);
888 nv_wr32(dev, 0x400108, 0x002);
889 status &= ~0x002;
890 }
891
892 /* VFETCH: Fetches data from vertex buffers. */
893 if (status & 0x004) {
894 u32 ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff;
895 if (display) {
896 NV_INFO(dev, "PGRAPH - TRAP_VFETCH");
897 nouveau_bitfield_print(nv50_graph_trap_vfetch, ustatus);
898 printk("\n");
899 NV_INFO(dev, "PGRAPH - TRAP_VFETCH %08x %08x %08x %08x\n",
900 nv_rd32(dev, 0x400c00), nv_rd32(dev, 0x400c08),
901 nv_rd32(dev, 0x400c0c), nv_rd32(dev, 0x400c10));
902 }
903
904 nv_wr32(dev, 0x400c04, 0xc0000000);
905 nv_wr32(dev, 0x400108, 0x004);
906 status &= ~0x004;
907 }
908
909 /* STRMOUT: DirectX streamout / OpenGL transform feedback. */
910 if (status & 0x008) {
911 ustatus = nv_rd32(dev, 0x401800) & 0x7fffffff;
912 if (display) {
913 NV_INFO(dev, "PGRAPH - TRAP_STRMOUT");
914 nouveau_bitfield_print(nv50_graph_trap_strmout, ustatus);
915 printk("\n");
916 NV_INFO(dev, "PGRAPH - TRAP_STRMOUT %08x %08x %08x %08x\n",
917 nv_rd32(dev, 0x401804), nv_rd32(dev, 0x401808),
918 nv_rd32(dev, 0x40180c), nv_rd32(dev, 0x401810));
919
920 }
921
922 /* No sane way found yet -- just reset the bugger. */
923 nv_wr32(dev, 0x400040, 0x80);
924 nv_wr32(dev, 0x400040, 0);
925 nv_wr32(dev, 0x401800, 0xc0000000);
926 nv_wr32(dev, 0x400108, 0x008);
927 status &= ~0x008;
928 }
929
930 /* CCACHE: Handles code and c[] caches and fills them. */
931 if (status & 0x010) {
932 ustatus = nv_rd32(dev, 0x405018) & 0x7fffffff;
933 if (display) {
934 NV_INFO(dev, "PGRAPH - TRAP_CCACHE");
935 nouveau_bitfield_print(nv50_graph_trap_ccache, ustatus);
936 printk("\n");
937 NV_INFO(dev, "PGRAPH - TRAP_CCACHE %08x %08x %08x %08x"
938 " %08x %08x %08x\n",
4dcf905c
MS		 939 nv_rd32(dev, 0x405000), nv_rd32(dev, 0x405004),
940 nv_rd32(dev, 0x405008), nv_rd32(dev, 0x40500c),
941 nv_rd32(dev, 0x405010), nv_rd32(dev, 0x405014),
942 nv_rd32(dev, 0x40501c));
274fec93
BS		 943
944 }
945
946 nv_wr32(dev, 0x405018, 0xc0000000);
947 nv_wr32(dev, 0x400108, 0x010);
948 status &= ~0x010;
949 }
950
951 /* Unknown, not seen yet... 0x402000 is the only trap status reg
952 * remaining, so try to handle it anyway. Perhaps related to that
953 * unknown DMA slot on tesla? */
954 if (status & 0x20) {
955 ustatus = nv_rd32(dev, 0x402000) & 0x7fffffff;
956 if (display)
957 NV_INFO(dev, "PGRAPH - TRAP_UNKC04 0x%08x\n", ustatus);
958 nv_wr32(dev, 0x402000, 0xc0000000);
959 /* no status modifiction on purpose */
960 }
961
962 /* TEXTURE: CUDA texturing units */
963 if (status & 0x040) {
964 nv50_pgraph_tp_trap(dev, 6, 0x408900, 0x408600, display,
965 "PGRAPH - TRAP_TEXTURE");
966 nv_wr32(dev, 0x400108, 0x040);
967 status &= ~0x040;
968 }
969
970 /* MP: CUDA execution engines. */
971 if (status & 0x080) {
972 nv50_pgraph_tp_trap(dev, 7, 0x408314, 0x40831c, display,
973 "PGRAPH - TRAP_MP");
974 nv_wr32(dev, 0x400108, 0x080);
975 status &= ~0x080;
976 }
977
978 /* TPDMA: Handles TP-initiated uncached memory accesses:
979 * l[], g[], stack, 2d surfaces, render targets. */
980 if (status & 0x100) {
981 nv50_pgraph_tp_trap(dev, 8, 0x408e08, 0x408708, display,
982 "PGRAPH - TRAP_TPDMA");
983 nv_wr32(dev, 0x400108, 0x100);
984 status &= ~0x100;
985 }
986
987 if (status) {
988 if (display)
989 NV_INFO(dev, "PGRAPH - TRAP: unknown 0x%08x\n", status);
990 nv_wr32(dev, 0x400108, status);
991 }
992
993 return 1;
994}
995
996static int
997nv50_graph_isr_chid(struct drm_device *dev, u64 inst)
998{
999 struct drm_nouveau_private *dev_priv = dev->dev_private;
1000 struct nouveau_channel *chan;
1001 unsigned long flags;
1002 int i;
1003
1004 spin_lock_irqsave(&dev_priv->channels.lock, flags);
1005 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
1006 chan = dev_priv->channels.ptr[i];
1007 if (!chan || !chan->ramin)
1008 continue;
1009
1010 if (inst == chan->ramin->vinst)
1011 break;
1012 }
1013 spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
1014 return i;
1015}
1016
1017static void
1018nv50_graph_isr(struct drm_device *dev)
1019{
1020 u32 stat;
1021
1022 while ((stat = nv_rd32(dev, 0x400100))) {
1023 u64 inst = (u64)(nv_rd32(dev, 0x40032c) & 0x0fffffff) << 12;
1024 u32 chid = nv50_graph_isr_chid(dev, inst);
1025 u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
1026 u32 subc = (addr & 0x00070000) >> 16;
1027 u32 mthd = (addr & 0x00001ffc);
1028 u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
1029 u32 class = nv_rd32(dev, 0x400814);
1030 u32 show = stat;
1031
1032 if (stat & 0x00000010) {
1033 if (!nouveau_gpuobj_mthd_call2(dev, chid, class,
1034 mthd, data))
1035 show &= ~0x00000010;
1036 }
1037
1038 if (stat & 0x00001000) {
1039 nv_wr32(dev, 0x400500, 0x00000000);
1040 nv_wr32(dev, 0x400100, 0x00001000);
1041 nv_mask(dev, 0x40013c, 0x00001000, 0x00000000);
1042 nv50_graph_context_switch(dev);
1043 stat &= ~0x00001000;
1044 show &= ~0x00001000;
1045 }
1046
1047 show = (show && nouveau_ratelimit()) ? show : 0;
1048
1049 if (show & 0x00100000) {
1050 u32 ecode = nv_rd32(dev, 0x400110);
1051 NV_INFO(dev, "PGRAPH - DATA_ERROR ");
1052 nouveau_enum_print(nv50_data_error_names, ecode);
1053 printk("\n");
1054 }
1055
1056 if (stat & 0x00200000) {
1057 if (!nv50_pgraph_trap_handler(dev, show, inst, chid))
1058 show &= ~0x00200000;
1059 }
1060
1061 nv_wr32(dev, 0x400100, stat);
1062 nv_wr32(dev, 0x400500, 0x00010001);
1063
1064 if (show) {
1065 NV_INFO(dev, "PGRAPH -");
1066 nouveau_bitfield_print(nv50_graph_intr, show);
1067 printk("\n");
1068 NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) subc %d "
1069 "class 0x%04x mthd 0x%04x data 0x%08x\n",
1070 chid, inst, subc, class, mthd, data);
1071 }
1072 }
1073
1074 if (nv_rd32(dev, 0x400824) & (1 << 31))
1075 nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
1076}
Linux kernel - Deliverables
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