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path: root/drivers/gpu/drm/nouveau/nv50_graph.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_graph.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_graph.c677
1 files changed, 635 insertions, 42 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 8b669d0af610..2d7ea75a09d4 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -29,6 +29,12 @@
29#include "nouveau_drv.h" 29#include "nouveau_drv.h"
30#include "nouveau_ramht.h" 30#include "nouveau_ramht.h"
31#include "nouveau_grctx.h" 31#include "nouveau_grctx.h"
32#include "nouveau_dma.h"
33#include "nouveau_vm.h"
34#include "nv50_evo.h"
35
36static int nv50_graph_register(struct drm_device *);
37static void nv50_graph_isr(struct drm_device *);
32 38
33static void 39static void
34nv50_graph_init_reset(struct drm_device *dev) 40nv50_graph_init_reset(struct drm_device *dev)
@@ -46,6 +52,7 @@ nv50_graph_init_intr(struct drm_device *dev)
46{ 52{
47 NV_DEBUG(dev, "\n"); 53 NV_DEBUG(dev, "\n");
48 54
55 nouveau_irq_register(dev, 12, nv50_graph_isr);
49 nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff); 56 nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff);
50 nv_wr32(dev, 0x400138, 0xffffffff); 57 nv_wr32(dev, 0x400138, 0xffffffff);
51 nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff); 58 nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff);
@@ -145,12 +152,15 @@ nv50_graph_init(struct drm_device *dev)
145 nv50_graph_init_reset(dev); 152 nv50_graph_init_reset(dev);
146 nv50_graph_init_regs__nv(dev); 153 nv50_graph_init_regs__nv(dev);
147 nv50_graph_init_regs(dev); 154 nv50_graph_init_regs(dev);
148 nv50_graph_init_intr(dev);
149 155
150 ret = nv50_graph_init_ctxctl(dev); 156 ret = nv50_graph_init_ctxctl(dev);
151 if (ret) 157 if (ret)
152 return ret; 158 return ret;
153 159
160 ret = nv50_graph_register(dev);
161 if (ret)
162 return ret;
163 nv50_graph_init_intr(dev);
154 return 0; 164 return 0;
155} 165}
156 166
@@ -158,6 +168,8 @@ void
158nv50_graph_takedown(struct drm_device *dev) 168nv50_graph_takedown(struct drm_device *dev)
159{ 169{
160 NV_DEBUG(dev, "\n"); 170 NV_DEBUG(dev, "\n");
171 nv_wr32(dev, 0x40013c, 0x00000000);
172 nouveau_irq_unregister(dev, 12);
161} 173}
162 174
163void 175void
@@ -190,7 +202,7 @@ nv50_graph_channel(struct drm_device *dev)
190 inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12; 202 inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12;
191 203
192 for (i = 0; i < dev_priv->engine.fifo.channels; i++) { 204 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
193 struct nouveau_channel *chan = dev_priv->fifos[i]; 205 struct nouveau_channel *chan = dev_priv->channels.ptr[i];
194 206
195 if (chan && chan->ramin && chan->ramin->vinst == inst) 207 if (chan && chan->ramin && chan->ramin->vinst == inst)
196 return chan; 208 return chan;
@@ -211,7 +223,7 @@ nv50_graph_create_context(struct nouveau_channel *chan)
211 223
212 NV_DEBUG(dev, "ch%d\n", chan->id); 224 NV_DEBUG(dev, "ch%d\n", chan->id);
213 225
214 ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0x1000, 226 ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0,
215 NVOBJ_FLAG_ZERO_ALLOC | 227 NVOBJ_FLAG_ZERO_ALLOC |
216 NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx); 228 NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
217 if (ret) 229 if (ret)
@@ -234,6 +246,7 @@ nv50_graph_create_context(struct nouveau_channel *chan)
234 nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12); 246 nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12);
235 247
236 dev_priv->engine.instmem.flush(dev); 248 dev_priv->engine.instmem.flush(dev);
249 atomic_inc(&chan->vm->pgraph_refs);
237 return 0; 250 return 0;
238} 251}
239 252
@@ -242,18 +255,31 @@ nv50_graph_destroy_context(struct nouveau_channel *chan)
242{ 255{
243 struct drm_device *dev = chan->dev; 256 struct drm_device *dev = chan->dev;
244 struct drm_nouveau_private *dev_priv = dev->dev_private; 257 struct drm_nouveau_private *dev_priv = dev->dev_private;
258 struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
245 int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20; 259 int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
260 unsigned long flags;
246 261
247 NV_DEBUG(dev, "ch%d\n", chan->id); 262 NV_DEBUG(dev, "ch%d\n", chan->id);
248 263
249 if (!chan->ramin) 264 if (!chan->ramin)
250 return; 265 return;
251 266
267 spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
268 pgraph->fifo_access(dev, false);
269
270 if (pgraph->channel(dev) == chan)
271 pgraph->unload_context(dev);
272
252 for (i = hdr; i < hdr + 24; i += 4) 273 for (i = hdr; i < hdr + 24; i += 4)
253 nv_wo32(chan->ramin, i, 0); 274 nv_wo32(chan->ramin, i, 0);
254 dev_priv->engine.instmem.flush(dev); 275 dev_priv->engine.instmem.flush(dev);
255 276
277 pgraph->fifo_access(dev, true);
278 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
279
256 nouveau_gpuobj_ref(NULL, &chan->ramin_grctx); 280 nouveau_gpuobj_ref(NULL, &chan->ramin_grctx);
281
282 atomic_dec(&chan->vm->pgraph_refs);
257} 283}
258 284
259static int 285static int
@@ -306,7 +332,7 @@ nv50_graph_unload_context(struct drm_device *dev)
306 return 0; 332 return 0;
307} 333}
308 334
309void 335static void
310nv50_graph_context_switch(struct drm_device *dev) 336nv50_graph_context_switch(struct drm_device *dev)
311{ 337{
312 uint32_t inst; 338 uint32_t inst;
@@ -322,8 +348,8 @@ nv50_graph_context_switch(struct drm_device *dev)
322} 348}
323 349
324static int 350static int
325nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan, int grclass, 351nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan,
326 int mthd, uint32_t data) 352 u32 class, u32 mthd, u32 data)
327{ 353{
328 struct nouveau_gpuobj *gpuobj; 354 struct nouveau_gpuobj *gpuobj;
329 355
@@ -340,8 +366,8 @@ nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan, int grclass,
340} 366}
341 367
342static int 368static int
343nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan, int grclass, 369nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan,
344 int mthd, uint32_t data) 370 u32 class, u32 mthd, u32 data)
345{ 371{
346 if (nouveau_notifier_offset(chan->nvsw.vblsem, &data)) 372 if (nouveau_notifier_offset(chan->nvsw.vblsem, &data))
347 return -ERANGE; 373 return -ERANGE;
@@ -351,16 +377,16 @@ nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan, int grclass,
351} 377}
352 378
353static int 379static int
354nv50_graph_nvsw_vblsem_release_val(struct nouveau_channel *chan, int grclass, 380nv50_graph_nvsw_vblsem_release_val(struct nouveau_channel *chan,
355 int mthd, uint32_t data) 381 u32 class, u32 mthd, u32 data)
356{ 382{
357 chan->nvsw.vblsem_rval = data; 383 chan->nvsw.vblsem_rval = data;
358 return 0; 384 return 0;
359} 385}
360 386
361static int 387static int
362nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan, int grclass, 388nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan,
363 int mthd, uint32_t data) 389 u32 class, u32 mthd, u32 data)
364{ 390{
365 struct drm_device *dev = chan->dev; 391 struct drm_device *dev = chan->dev;
366 struct drm_nouveau_private *dev_priv = dev->dev_private; 392 struct drm_nouveau_private *dev_priv = dev->dev_private;
@@ -368,45 +394,85 @@ nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan, int grclass,
368 if (!chan->nvsw.vblsem || chan->nvsw.vblsem_offset == ~0 || data > 1) 394 if (!chan->nvsw.vblsem || chan->nvsw.vblsem_offset == ~0 || data > 1)
369 return -EINVAL; 395 return -EINVAL;
370 396
371 if (!(nv_rd32(dev, NV50_PDISPLAY_INTR_EN) & 397 drm_vblank_get(dev, data);
372 NV50_PDISPLAY_INTR_EN_VBLANK_CRTC_(data))) {
373 nv_wr32(dev, NV50_PDISPLAY_INTR_1,
374 NV50_PDISPLAY_INTR_1_VBLANK_CRTC_(data));
375 nv_wr32(dev, NV50_PDISPLAY_INTR_EN, nv_rd32(dev,
376 NV50_PDISPLAY_INTR_EN) |
377 NV50_PDISPLAY_INTR_EN_VBLANK_CRTC_(data));
378 }
379 398
399 chan->nvsw.vblsem_head = data;
380 list_add(&chan->nvsw.vbl_wait, &dev_priv->vbl_waiting); 400 list_add(&chan->nvsw.vbl_wait, &dev_priv->vbl_waiting);
401
381 return 0; 402 return 0;
382} 403}
383 404
384static struct nouveau_pgraph_object_method nv50_graph_nvsw_methods[] = { 405static int
385 { 0x018c, nv50_graph_nvsw_dma_vblsem }, 406nv50_graph_nvsw_mthd_page_flip(struct nouveau_channel *chan,
386 { 0x0400, nv50_graph_nvsw_vblsem_offset }, 407 u32 class, u32 mthd, u32 data)
387 { 0x0404, nv50_graph_nvsw_vblsem_release_val }, 408{
388 { 0x0408, nv50_graph_nvsw_vblsem_release }, 409 struct nouveau_page_flip_state s;
389 {}
390};
391 410
392struct nouveau_pgraph_object_class nv50_graph_grclass[] = { 411 if (!nouveau_finish_page_flip(chan, &s)) {
393 { 0x506e, true, nv50_graph_nvsw_methods }, /* nvsw */ 412 /* XXX - Do something here */
394 { 0x0030, false, NULL }, /* null */ 413 }
395 { 0x5039, false, NULL }, /* m2mf */ 414
396 { 0x502d, false, NULL }, /* 2d */ 415 return 0;
397 { 0x50c0, false, NULL }, /* compute */ 416}
398 { 0x85c0, false, NULL }, /* compute (nva3, nva5, nva8) */ 417
399 { 0x5097, false, NULL }, /* tesla (nv50) */ 418static int
400 { 0x8297, false, NULL }, /* tesla (nv8x/nv9x) */ 419nv50_graph_register(struct drm_device *dev)
401 { 0x8397, false, NULL }, /* tesla (nva0, nvaa, nvac) */ 420{
402 { 0x8597, false, NULL }, /* tesla (nva3, nva5, nva8) */ 421 struct drm_nouveau_private *dev_priv = dev->dev_private;
403 {} 422
404}; 423 if (dev_priv->engine.graph.registered)
424 return 0;
425
426 NVOBJ_CLASS(dev, 0x506e, SW); /* nvsw */
427 NVOBJ_MTHD (dev, 0x506e, 0x018c, nv50_graph_nvsw_dma_vblsem);
428 NVOBJ_MTHD (dev, 0x506e, 0x0400, nv50_graph_nvsw_vblsem_offset);
429 NVOBJ_MTHD (dev, 0x506e, 0x0404, nv50_graph_nvsw_vblsem_release_val);
430 NVOBJ_MTHD (dev, 0x506e, 0x0408, nv50_graph_nvsw_vblsem_release);
431 NVOBJ_MTHD (dev, 0x506e, 0x0500, nv50_graph_nvsw_mthd_page_flip);
432
433 NVOBJ_CLASS(dev, 0x0030, GR); /* null */
434 NVOBJ_CLASS(dev, 0x5039, GR); /* m2mf */
435 NVOBJ_CLASS(dev, 0x502d, GR); /* 2d */
436
437 /* tesla */
438 if (dev_priv->chipset == 0x50)
439 NVOBJ_CLASS(dev, 0x5097, GR); /* tesla (nv50) */
440 else
441 if (dev_priv->chipset < 0xa0)
442 NVOBJ_CLASS(dev, 0x8297, GR); /* tesla (nv8x/nv9x) */
443 else {
444 switch (dev_priv->chipset) {
445 case 0xa0:
446 case 0xaa:
447 case 0xac:
448 NVOBJ_CLASS(dev, 0x8397, GR);
449 break;
450 case 0xa3:
451 case 0xa5:
452 case 0xa8:
453 NVOBJ_CLASS(dev, 0x8597, GR);
454 break;
455 case 0xaf:
456 NVOBJ_CLASS(dev, 0x8697, GR);
457 break;
458 }
459 }
460
461 /* compute */
462 NVOBJ_CLASS(dev, 0x50c0, GR);
463 if (dev_priv->chipset > 0xa0 &&
464 dev_priv->chipset != 0xaa &&
465 dev_priv->chipset != 0xac)
466 NVOBJ_CLASS(dev, 0x85c0, GR);
467
468 dev_priv->engine.graph.registered = true;
469 return 0;
470}
405 471
406void 472void
407nv50_graph_tlb_flush(struct drm_device *dev) 473nv50_graph_tlb_flush(struct drm_device *dev)
408{ 474{
409 nv50_vm_flush(dev, 0); 475 nv50_vm_flush_engine(dev, 0);
410} 476}
411 477
412void 478void
@@ -449,8 +515,535 @@ nv86_graph_tlb_flush(struct drm_device *dev)
449 nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388)); 515 nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388));
450 } 516 }
451 517
452 nv50_vm_flush(dev, 0); 518 nv50_vm_flush_engine(dev, 0);
453 519
454 nv_mask(dev, 0x400500, 0x00000001, 0x00000001); 520 nv_mask(dev, 0x400500, 0x00000001, 0x00000001);
455 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); 521 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
456} 522}
523
524static struct nouveau_enum nv50_mp_exec_error_names[] =
525{
526 { 3, "STACK_UNDERFLOW" },
527 { 4, "QUADON_ACTIVE" },
528 { 8, "TIMEOUT" },
529 { 0x10, "INVALID_OPCODE" },
530 { 0x40, "BREAKPOINT" },
531 {}
532};
533
534static struct nouveau_bitfield nv50_graph_trap_m2mf[] = {
535 { 0x00000001, "NOTIFY" },
536 { 0x00000002, "IN" },
537 { 0x00000004, "OUT" },
538 {}
539};
540
541static struct nouveau_bitfield nv50_graph_trap_vfetch[] = {
542 { 0x00000001, "FAULT" },
543 {}
544};
545
546static struct nouveau_bitfield nv50_graph_trap_strmout[] = {
547 { 0x00000001, "FAULT" },
548 {}
549};
550
551static struct nouveau_bitfield nv50_graph_trap_ccache[] = {
552 { 0x00000001, "FAULT" },
553 {}
554};
555
556/* There must be a *lot* of these. Will take some time to gather them up. */
557struct nouveau_enum nv50_data_error_names[] = {
558 { 0x00000003, "INVALID_QUERY_OR_TEXTURE" },
559 { 0x00000004, "INVALID_VALUE" },
560 { 0x00000005, "INVALID_ENUM" },
561 { 0x00000008, "INVALID_OBJECT" },
562 { 0x00000009, "READ_ONLY_OBJECT" },
563 { 0x0000000a, "SUPERVISOR_OBJECT" },
564 { 0x0000000b, "INVALID_ADDRESS_ALIGNMENT" },
565 { 0x0000000c, "INVALID_BITFIELD" },
566 { 0x0000000d, "BEGIN_END_ACTIVE" },
567 { 0x0000000e, "SEMANTIC_COLOR_BACK_OVER_LIMIT" },
568 { 0x0000000f, "VIEWPORT_ID_NEEDS_GP" },
569 { 0x00000010, "RT_DOUBLE_BIND" },
570 { 0x00000011, "RT_TYPES_MISMATCH" },
571 { 0x00000012, "RT_LINEAR_WITH_ZETA" },
572 { 0x00000015, "FP_TOO_FEW_REGS" },
573 { 0x00000016, "ZETA_FORMAT_CSAA_MISMATCH" },
574 { 0x00000017, "RT_LINEAR_WITH_MSAA" },
575 { 0x00000018, "FP_INTERPOLANT_START_OVER_LIMIT" },
576 { 0x00000019, "SEMANTIC_LAYER_OVER_LIMIT" },
577 { 0x0000001a, "RT_INVALID_ALIGNMENT" },
578 { 0x0000001b, "SAMPLER_OVER_LIMIT" },
579 { 0x0000001c, "TEXTURE_OVER_LIMIT" },
580 { 0x0000001e, "GP_TOO_MANY_OUTPUTS" },
581 { 0x0000001f, "RT_BPP128_WITH_MS8" },
582 { 0x00000021, "Z_OUT_OF_BOUNDS" },
583 { 0x00000023, "XY_OUT_OF_BOUNDS" },
584 { 0x00000027, "CP_MORE_PARAMS_THAN_SHARED" },
585 { 0x00000028, "CP_NO_REG_SPACE_STRIPED" },
586 { 0x00000029, "CP_NO_REG_SPACE_PACKED" },
587 { 0x0000002a, "CP_NOT_ENOUGH_WARPS" },
588 { 0x0000002b, "CP_BLOCK_SIZE_MISMATCH" },
589 { 0x0000002c, "CP_NOT_ENOUGH_LOCAL_WARPS" },
590 { 0x0000002d, "CP_NOT_ENOUGH_STACK_WARPS" },
591 { 0x0000002e, "CP_NO_BLOCKDIM_LATCH" },
592 { 0x00000031, "ENG2D_FORMAT_MISMATCH" },
593 { 0x0000003f, "PRIMITIVE_ID_NEEDS_GP" },
594 { 0x00000044, "SEMANTIC_VIEWPORT_OVER_LIMIT" },
595 { 0x00000045, "SEMANTIC_COLOR_FRONT_OVER_LIMIT" },
596 { 0x00000046, "LAYER_ID_NEEDS_GP" },
597 { 0x00000047, "SEMANTIC_CLIP_OVER_LIMIT" },
598 { 0x00000048, "SEMANTIC_PTSZ_OVER_LIMIT" },
599 {}
600};
601
602static struct nouveau_bitfield nv50_graph_intr[] = {
603 { 0x00000001, "NOTIFY" },
604 { 0x00000002, "COMPUTE_QUERY" },
605 { 0x00000010, "ILLEGAL_MTHD" },
606 { 0x00000020, "ILLEGAL_CLASS" },
607 { 0x00000040, "DOUBLE_NOTIFY" },
608 { 0x00001000, "CONTEXT_SWITCH" },
609 { 0x00010000, "BUFFER_NOTIFY" },
610 { 0x00100000, "DATA_ERROR" },
611 { 0x00200000, "TRAP" },
612 { 0x01000000, "SINGLE_STEP" },
613 {}
614};
615
616static void
617nv50_pgraph_mp_trap(struct drm_device *dev, int tpid, int display)
618{
619 struct drm_nouveau_private *dev_priv = dev->dev_private;
620 uint32_t units = nv_rd32(dev, 0x1540);
621 uint32_t addr, mp10, status, pc, oplow, ophigh;
622 int i;
623 int mps = 0;
624 for (i = 0; i < 4; i++) {
625 if (!(units & 1 << (i+24)))
626 continue;
627 if (dev_priv->chipset < 0xa0)
628 addr = 0x408200 + (tpid << 12) + (i << 7);
629 else
630 addr = 0x408100 + (tpid << 11) + (i << 7);
631 mp10 = nv_rd32(dev, addr + 0x10);
632 status = nv_rd32(dev, addr + 0x14);
633 if (!status)
634 continue;
635 if (display) {
636 nv_rd32(dev, addr + 0x20);
637 pc = nv_rd32(dev, addr + 0x24);
638 oplow = nv_rd32(dev, addr + 0x70);
639 ophigh= nv_rd32(dev, addr + 0x74);
640 NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - "
641 "TP %d MP %d: ", tpid, i);
642 nouveau_enum_print(nv50_mp_exec_error_names, status);
643 printk(" at %06x warp %d, opcode %08x %08x\n",
644 pc&0xffffff, pc >> 24,
645 oplow, ophigh);
646 }
647 nv_wr32(dev, addr + 0x10, mp10);
648 nv_wr32(dev, addr + 0x14, 0);
649 mps++;
650 }
651 if (!mps && display)
652 NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - TP %d: "
653 "No MPs claiming errors?\n", tpid);
654}
655
656static void
657nv50_pgraph_tp_trap(struct drm_device *dev, int type, uint32_t ustatus_old,
658 uint32_t ustatus_new, int display, const char *name)
659{
660 struct drm_nouveau_private *dev_priv = dev->dev_private;
661 int tps = 0;
662 uint32_t units = nv_rd32(dev, 0x1540);
663 int i, r;
664 uint32_t ustatus_addr, ustatus;
665 for (i = 0; i < 16; i++) {
666 if (!(units & (1 << i)))
667 continue;
668 if (dev_priv->chipset < 0xa0)
669 ustatus_addr = ustatus_old + (i << 12);
670 else
671 ustatus_addr = ustatus_new + (i << 11);
672 ustatus = nv_rd32(dev, ustatus_addr) & 0x7fffffff;
673 if (!ustatus)
674 continue;
675 tps++;
676 switch (type) {
677 case 6: /* texture error... unknown for now */
678 nv50_fb_vm_trap(dev, display, name);
679 if (display) {
680 NV_ERROR(dev, "magic set %d:\n", i);
681 for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4)
682 NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
683 nv_rd32(dev, r));
684 }
685 break;
686 case 7: /* MP error */
687 if (ustatus & 0x00010000) {
688 nv50_pgraph_mp_trap(dev, i, display);
689 ustatus &= ~0x00010000;
690 }
691 break;
692 case 8: /* TPDMA error */
693 {
694 uint32_t e0c = nv_rd32(dev, ustatus_addr + 4);
695 uint32_t e10 = nv_rd32(dev, ustatus_addr + 8);
696 uint32_t e14 = nv_rd32(dev, ustatus_addr + 0xc);
697 uint32_t e18 = nv_rd32(dev, ustatus_addr + 0x10);
698 uint32_t e1c = nv_rd32(dev, ustatus_addr + 0x14);
699 uint32_t e20 = nv_rd32(dev, ustatus_addr + 0x18);
700 uint32_t e24 = nv_rd32(dev, ustatus_addr + 0x1c);
701 nv50_fb_vm_trap(dev, display, name);
702 /* 2d engine destination */
703 if (ustatus & 0x00000010) {
704 if (display) {
705 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - Unknown fault at address %02x%08x\n",
706 i, e14, e10);
707 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
708 i, e0c, e18, e1c, e20, e24);
709 }
710 ustatus &= ~0x00000010;
711 }
712 /* Render target */
713 if (ustatus & 0x00000040) {
714 if (display) {
715 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - Unknown fault at address %02x%08x\n",
716 i, e14, e10);
717 NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
718 i, e0c, e18, e1c, e20, e24);
719 }
720 ustatus &= ~0x00000040;
721 }
722 /* CUDA memory: l[], g[] or stack. */
723 if (ustatus & 0x00000080) {
724 if (display) {
725 if (e18 & 0x80000000) {
726 /* g[] read fault? */
727 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global read fault at address %02x%08x\n",
728 i, e14, e10 | ((e18 >> 24) & 0x1f));
729 e18 &= ~0x1f000000;
730 } else if (e18 & 0xc) {
731 /* g[] write fault? */
732 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global write fault at address %02x%08x\n",
733 i, e14, e10 | ((e18 >> 7) & 0x1f));
734 e18 &= ~0x00000f80;
735 } else {
736 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Unknown CUDA fault at address %02x%08x\n",
737 i, e14, e10);
738 }
739 NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
740 i, e0c, e18, e1c, e20, e24);
741 }
742 ustatus &= ~0x00000080;
743 }
744 }
745 break;
746 }
747 if (ustatus) {
748 if (display)
749 NV_INFO(dev, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus);
750 }
751 nv_wr32(dev, ustatus_addr, 0xc0000000);
752 }
753
754 if (!tps && display)
755 NV_INFO(dev, "%s - No TPs claiming errors?\n", name);
756}
757
758static int
759nv50_pgraph_trap_handler(struct drm_device *dev, u32 display, u64 inst, u32 chid)
760{
761 u32 status = nv_rd32(dev, 0x400108);
762 u32 ustatus;
763
764 if (!status && display) {
765 NV_INFO(dev, "PGRAPH - TRAP: no units reporting traps?\n");
766 return 1;
767 }
768
769 /* DISPATCH: Relays commands to other units and handles NOTIFY,
770 * COND, QUERY. If you get a trap from it, the command is still stuck
771 * in DISPATCH and you need to do something about it. */
772 if (status & 0x001) {
773 ustatus = nv_rd32(dev, 0x400804) & 0x7fffffff;
774 if (!ustatus && display) {
775 NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - no ustatus?\n");
776 }
777
778 nv_wr32(dev, 0x400500, 0x00000000);
779
780 /* Known to be triggered by screwed up NOTIFY and COND... */
781 if (ustatus & 0x00000001) {
782 u32 addr = nv_rd32(dev, 0x400808);
783 u32 subc = (addr & 0x00070000) >> 16;
784 u32 mthd = (addr & 0x00001ffc);
785 u32 datal = nv_rd32(dev, 0x40080c);
786 u32 datah = nv_rd32(dev, 0x400810);
787 u32 class = nv_rd32(dev, 0x400814);
788 u32 r848 = nv_rd32(dev, 0x400848);
789
790 NV_INFO(dev, "PGRAPH - TRAP DISPATCH_FAULT\n");
791 if (display && (addr & 0x80000000)) {
792 NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
793 "subc %d class 0x%04x mthd 0x%04x "
794 "data 0x%08x%08x "
795 "400808 0x%08x 400848 0x%08x\n",
796 chid, inst, subc, class, mthd, datah,
797 datal, addr, r848);
798 } else
799 if (display) {
800 NV_INFO(dev, "PGRAPH - no stuck command?\n");
801 }
802
803 nv_wr32(dev, 0x400808, 0);
804 nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3);
805 nv_wr32(dev, 0x400848, 0);
806 ustatus &= ~0x00000001;
807 }
808
809 if (ustatus & 0x00000002) {
810 u32 addr = nv_rd32(dev, 0x40084c);
811 u32 subc = (addr & 0x00070000) >> 16;
812 u32 mthd = (addr & 0x00001ffc);
813 u32 data = nv_rd32(dev, 0x40085c);
814 u32 class = nv_rd32(dev, 0x400814);
815
816 NV_INFO(dev, "PGRAPH - TRAP DISPATCH_QUERY\n");
817 if (display && (addr & 0x80000000)) {
818 NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
819 "subc %d class 0x%04x mthd 0x%04x "
820 "data 0x%08x 40084c 0x%08x\n",
821 chid, inst, subc, class, mthd,
822 data, addr);
823 } else
824 if (display) {
825 NV_INFO(dev, "PGRAPH - no stuck command?\n");
826 }
827
828 nv_wr32(dev, 0x40084c, 0);
829 ustatus &= ~0x00000002;
830 }
831
832 if (ustatus && display) {
833 NV_INFO(dev, "PGRAPH - TRAP_DISPATCH (unknown "
834 "0x%08x)\n", ustatus);
835 }
836
837 nv_wr32(dev, 0x400804, 0xc0000000);
838 nv_wr32(dev, 0x400108, 0x001);
839 status &= ~0x001;
840 if (!status)
841 return 0;
842 }
843
844 /* M2MF: Memory to memory copy engine. */
845 if (status & 0x002) {
846 u32 ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff;
847 if (display) {
848 NV_INFO(dev, "PGRAPH - TRAP_M2MF");
849 nouveau_bitfield_print(nv50_graph_trap_m2mf, ustatus);
850 printk("\n");
851 NV_INFO(dev, "PGRAPH - TRAP_M2MF %08x %08x %08x %08x\n",
852 nv_rd32(dev, 0x406804), nv_rd32(dev, 0x406808),
853 nv_rd32(dev, 0x40680c), nv_rd32(dev, 0x406810));
854
855 }
856
857 /* No sane way found yet -- just reset the bugger. */
858 nv_wr32(dev, 0x400040, 2);
859 nv_wr32(dev, 0x400040, 0);
860 nv_wr32(dev, 0x406800, 0xc0000000);
861 nv_wr32(dev, 0x400108, 0x002);
862 status &= ~0x002;
863 }
864
865 /* VFETCH: Fetches data from vertex buffers. */
866 if (status & 0x004) {
867 u32 ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff;
868 if (display) {
869 NV_INFO(dev, "PGRAPH - TRAP_VFETCH");
870 nouveau_bitfield_print(nv50_graph_trap_vfetch, ustatus);
871 printk("\n");
872 NV_INFO(dev, "PGRAPH - TRAP_VFETCH %08x %08x %08x %08x\n",
873 nv_rd32(dev, 0x400c00), nv_rd32(dev, 0x400c08),
874 nv_rd32(dev, 0x400c0c), nv_rd32(dev, 0x400c10));
875 }
876
877 nv_wr32(dev, 0x400c04, 0xc0000000);
878 nv_wr32(dev, 0x400108, 0x004);
879 status &= ~0x004;
880 }
881
882 /* STRMOUT: DirectX streamout / OpenGL transform feedback. */
883 if (status & 0x008) {
884 ustatus = nv_rd32(dev, 0x401800) & 0x7fffffff;
885 if (display) {
886 NV_INFO(dev, "PGRAPH - TRAP_STRMOUT");
887 nouveau_bitfield_print(nv50_graph_trap_strmout, ustatus);
888 printk("\n");
889 NV_INFO(dev, "PGRAPH - TRAP_STRMOUT %08x %08x %08x %08x\n",
890 nv_rd32(dev, 0x401804), nv_rd32(dev, 0x401808),
891 nv_rd32(dev, 0x40180c), nv_rd32(dev, 0x401810));
892
893 }
894
895 /* No sane way found yet -- just reset the bugger. */
896 nv_wr32(dev, 0x400040, 0x80);
897 nv_wr32(dev, 0x400040, 0);
898 nv_wr32(dev, 0x401800, 0xc0000000);
899 nv_wr32(dev, 0x400108, 0x008);
900 status &= ~0x008;
901 }
902
903 /* CCACHE: Handles code and c[] caches and fills them. */
904 if (status & 0x010) {
905 ustatus = nv_rd32(dev, 0x405018) & 0x7fffffff;
906 if (display) {
907 NV_INFO(dev, "PGRAPH - TRAP_CCACHE");
908 nouveau_bitfield_print(nv50_graph_trap_ccache, ustatus);
909 printk("\n");
910 NV_INFO(dev, "PGRAPH - TRAP_CCACHE %08x %08x %08x %08x"
911 " %08x %08x %08x\n",
912 nv_rd32(dev, 0x405800), nv_rd32(dev, 0x405804),
913 nv_rd32(dev, 0x405808), nv_rd32(dev, 0x40580c),
914 nv_rd32(dev, 0x405810), nv_rd32(dev, 0x405814),
915 nv_rd32(dev, 0x40581c));
916
917 }
918
919 nv_wr32(dev, 0x405018, 0xc0000000);
920 nv_wr32(dev, 0x400108, 0x010);
921 status &= ~0x010;
922 }
923
924 /* Unknown, not seen yet... 0x402000 is the only trap status reg
925 * remaining, so try to handle it anyway. Perhaps related to that
926 * unknown DMA slot on tesla? */
927 if (status & 0x20) {
928 ustatus = nv_rd32(dev, 0x402000) & 0x7fffffff;
929 if (display)
930 NV_INFO(dev, "PGRAPH - TRAP_UNKC04 0x%08x\n", ustatus);
931 nv_wr32(dev, 0x402000, 0xc0000000);
932 /* no status modifiction on purpose */
933 }
934
935 /* TEXTURE: CUDA texturing units */
936 if (status & 0x040) {
937 nv50_pgraph_tp_trap(dev, 6, 0x408900, 0x408600, display,
938 "PGRAPH - TRAP_TEXTURE");
939 nv_wr32(dev, 0x400108, 0x040);
940 status &= ~0x040;
941 }
942
943 /* MP: CUDA execution engines. */
944 if (status & 0x080) {
945 nv50_pgraph_tp_trap(dev, 7, 0x408314, 0x40831c, display,
946 "PGRAPH - TRAP_MP");
947 nv_wr32(dev, 0x400108, 0x080);
948 status &= ~0x080;
949 }
950
951 /* TPDMA: Handles TP-initiated uncached memory accesses:
952 * l[], g[], stack, 2d surfaces, render targets. */
953 if (status & 0x100) {
954 nv50_pgraph_tp_trap(dev, 8, 0x408e08, 0x408708, display,
955 "PGRAPH - TRAP_TPDMA");
956 nv_wr32(dev, 0x400108, 0x100);
957 status &= ~0x100;
958 }
959
960 if (status) {
961 if (display)
962 NV_INFO(dev, "PGRAPH - TRAP: unknown 0x%08x\n", status);
963 nv_wr32(dev, 0x400108, status);
964 }
965
966 return 1;
967}
968
969static int
970nv50_graph_isr_chid(struct drm_device *dev, u64 inst)
971{
972 struct drm_nouveau_private *dev_priv = dev->dev_private;
973 struct nouveau_channel *chan;
974 unsigned long flags;
975 int i;
976
977 spin_lock_irqsave(&dev_priv->channels.lock, flags);
978 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
979 chan = dev_priv->channels.ptr[i];
980 if (!chan || !chan->ramin)
981 continue;
982
983 if (inst == chan->ramin->vinst)
984 break;
985 }
986 spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
987 return i;
988}
989
990static void
991nv50_graph_isr(struct drm_device *dev)
992{
993 u32 stat;
994
995 while ((stat = nv_rd32(dev, 0x400100))) {
996 u64 inst = (u64)(nv_rd32(dev, 0x40032c) & 0x0fffffff) << 12;
997 u32 chid = nv50_graph_isr_chid(dev, inst);
998 u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
999 u32 subc = (addr & 0x00070000) >> 16;
1000 u32 mthd = (addr & 0x00001ffc);
1001 u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
1002 u32 class = nv_rd32(dev, 0x400814);
1003 u32 show = stat;
1004
1005 if (stat & 0x00000010) {
1006 if (!nouveau_gpuobj_mthd_call2(dev, chid, class,
1007 mthd, data))
1008 show &= ~0x00000010;
1009 }
1010
1011 if (stat & 0x00001000) {
1012 nv_wr32(dev, 0x400500, 0x00000000);
1013 nv_wr32(dev, 0x400100, 0x00001000);
1014 nv_mask(dev, 0x40013c, 0x00001000, 0x00000000);
1015 nv50_graph_context_switch(dev);
1016 stat &= ~0x00001000;
1017 show &= ~0x00001000;
1018 }
1019
1020 show = (show && nouveau_ratelimit()) ? show : 0;
1021
1022 if (show & 0x00100000) {
1023 u32 ecode = nv_rd32(dev, 0x400110);
1024 NV_INFO(dev, "PGRAPH - DATA_ERROR ");
1025 nouveau_enum_print(nv50_data_error_names, ecode);
1026 printk("\n");
1027 }
1028
1029 if (stat & 0x00200000) {
1030 if (!nv50_pgraph_trap_handler(dev, show, inst, chid))
1031 show &= ~0x00200000;
1032 }
1033
1034 nv_wr32(dev, 0x400100, stat);
1035 nv_wr32(dev, 0x400500, 0x00010001);
1036
1037 if (show) {
1038 NV_INFO(dev, "PGRAPH -");
1039 nouveau_bitfield_print(nv50_graph_intr, show);
1040 printk("\n");
1041 NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) subc %d "
1042 "class 0x%04x mthd 0x%04x data 0x%08x\n",
1043 chid, inst, subc, class, mthd, data);
1044 }
1045 }
1046
1047 if (nv_rd32(dev, 0x400824) & (1 << 31))
1048 nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
1049}
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-01 00:55:07 -0400