1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24 #include "gf100.h"
25 #include "ctxgf100.h"
26 #include "fuc/os.h"
27
28 #include <core/client.h>
29 #include <core/firmware.h>
30 #include <core/option.h>
31 #include <subdev/acr.h>
32 #include <subdev/fb.h>
33 #include <subdev/mc.h>
34 #include <subdev/pmu.h>
35 #include <subdev/therm.h>
36 #include <subdev/timer.h>
37 #include <engine/fifo.h>
38
39 #include <nvif/class.h>
40 #include <nvif/cl9097.h>
41 #include <nvif/if900d.h>
42 #include <nvif/unpack.h>
43
44 /*******************************************************************************
45 * Zero Bandwidth Clear
46 ******************************************************************************/
47
48 static void
gf100_gr_zbc_clear_color(struct gf100_gr * gr,int zbc)49 gf100_gr_zbc_clear_color(struct gf100_gr *gr, int zbc)
50 {
51 struct nvkm_device *device = gr->base.engine.subdev.device;
52 if (gr->zbc_color[zbc].format) {
53 nvkm_wr32(device, 0x405804, gr->zbc_color[zbc].ds[0]);
54 nvkm_wr32(device, 0x405808, gr->zbc_color[zbc].ds[1]);
55 nvkm_wr32(device, 0x40580c, gr->zbc_color[zbc].ds[2]);
56 nvkm_wr32(device, 0x405810, gr->zbc_color[zbc].ds[3]);
57 }
58 nvkm_wr32(device, 0x405814, gr->zbc_color[zbc].format);
59 nvkm_wr32(device, 0x405820, zbc);
60 nvkm_wr32(device, 0x405824, 0x00000004); /* TRIGGER | WRITE | COLOR */
61 }
62
63 static int
gf100_gr_zbc_color_get(struct gf100_gr * gr,int format,const u32 ds[4],const u32 l2[4])64 gf100_gr_zbc_color_get(struct gf100_gr *gr, int format,
65 const u32 ds[4], const u32 l2[4])
66 {
67 struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
68 int zbc = -ENOSPC, i;
69
70 for (i = ltc->zbc_color_min; i <= ltc->zbc_color_max; i++) {
71 if (gr->zbc_color[i].format) {
72 if (gr->zbc_color[i].format != format)
73 continue;
74 if (memcmp(gr->zbc_color[i].ds, ds, sizeof(
75 gr->zbc_color[i].ds)))
76 continue;
77 if (memcmp(gr->zbc_color[i].l2, l2, sizeof(
78 gr->zbc_color[i].l2))) {
79 WARN_ON(1);
80 return -EINVAL;
81 }
82 return i;
83 } else {
84 zbc = (zbc < 0) ? i : zbc;
85 }
86 }
87
88 if (zbc < 0)
89 return zbc;
90
91 memcpy(gr->zbc_color[zbc].ds, ds, sizeof(gr->zbc_color[zbc].ds));
92 memcpy(gr->zbc_color[zbc].l2, l2, sizeof(gr->zbc_color[zbc].l2));
93 gr->zbc_color[zbc].format = format;
94 nvkm_ltc_zbc_color_get(ltc, zbc, l2);
95 gr->func->zbc->clear_color(gr, zbc);
96 return zbc;
97 }
98
99 static void
gf100_gr_zbc_clear_depth(struct gf100_gr * gr,int zbc)100 gf100_gr_zbc_clear_depth(struct gf100_gr *gr, int zbc)
101 {
102 struct nvkm_device *device = gr->base.engine.subdev.device;
103 if (gr->zbc_depth[zbc].format)
104 nvkm_wr32(device, 0x405818, gr->zbc_depth[zbc].ds);
105 nvkm_wr32(device, 0x40581c, gr->zbc_depth[zbc].format);
106 nvkm_wr32(device, 0x405820, zbc);
107 nvkm_wr32(device, 0x405824, 0x00000005); /* TRIGGER | WRITE | DEPTH */
108 }
109
110 static int
gf100_gr_zbc_depth_get(struct gf100_gr * gr,int format,const u32 ds,const u32 l2)111 gf100_gr_zbc_depth_get(struct gf100_gr *gr, int format,
112 const u32 ds, const u32 l2)
113 {
114 struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
115 int zbc = -ENOSPC, i;
116
117 for (i = ltc->zbc_depth_min; i <= ltc->zbc_depth_max; i++) {
118 if (gr->zbc_depth[i].format) {
119 if (gr->zbc_depth[i].format != format)
120 continue;
121 if (gr->zbc_depth[i].ds != ds)
122 continue;
123 if (gr->zbc_depth[i].l2 != l2) {
124 WARN_ON(1);
125 return -EINVAL;
126 }
127 return i;
128 } else {
129 zbc = (zbc < 0) ? i : zbc;
130 }
131 }
132
133 if (zbc < 0)
134 return zbc;
135
136 gr->zbc_depth[zbc].format = format;
137 gr->zbc_depth[zbc].ds = ds;
138 gr->zbc_depth[zbc].l2 = l2;
139 nvkm_ltc_zbc_depth_get(ltc, zbc, l2);
140 gr->func->zbc->clear_depth(gr, zbc);
141 return zbc;
142 }
143
144 const struct gf100_gr_func_zbc
145 gf100_gr_zbc = {
146 .clear_color = gf100_gr_zbc_clear_color,
147 .clear_depth = gf100_gr_zbc_clear_depth,
148 };
149
150 /*******************************************************************************
151 * Graphics object classes
152 ******************************************************************************/
153 #define gf100_gr_object(p) container_of((p), struct gf100_gr_object, object)
154
155 struct gf100_gr_object {
156 struct nvkm_object object;
157 struct gf100_gr_chan *chan;
158 };
159
160 static int
gf100_fermi_mthd_zbc_color(struct nvkm_object * object,void * data,u32 size)161 gf100_fermi_mthd_zbc_color(struct nvkm_object *object, void *data, u32 size)
162 {
163 struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine));
164 union {
165 struct fermi_a_zbc_color_v0 v0;
166 } *args = data;
167 int ret = -ENOSYS;
168
169 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
170 switch (args->v0.format) {
171 case FERMI_A_ZBC_COLOR_V0_FMT_ZERO:
172 case FERMI_A_ZBC_COLOR_V0_FMT_UNORM_ONE:
173 case FERMI_A_ZBC_COLOR_V0_FMT_RF32_GF32_BF32_AF32:
174 case FERMI_A_ZBC_COLOR_V0_FMT_R16_G16_B16_A16:
175 case FERMI_A_ZBC_COLOR_V0_FMT_RN16_GN16_BN16_AN16:
176 case FERMI_A_ZBC_COLOR_V0_FMT_RS16_GS16_BS16_AS16:
177 case FERMI_A_ZBC_COLOR_V0_FMT_RU16_GU16_BU16_AU16:
178 case FERMI_A_ZBC_COLOR_V0_FMT_RF16_GF16_BF16_AF16:
179 case FERMI_A_ZBC_COLOR_V0_FMT_A8R8G8B8:
180 case FERMI_A_ZBC_COLOR_V0_FMT_A8RL8GL8BL8:
181 case FERMI_A_ZBC_COLOR_V0_FMT_A2B10G10R10:
182 case FERMI_A_ZBC_COLOR_V0_FMT_AU2BU10GU10RU10:
183 case FERMI_A_ZBC_COLOR_V0_FMT_A8B8G8R8:
184 case FERMI_A_ZBC_COLOR_V0_FMT_A8BL8GL8RL8:
185 case FERMI_A_ZBC_COLOR_V0_FMT_AN8BN8GN8RN8:
186 case FERMI_A_ZBC_COLOR_V0_FMT_AS8BS8GS8RS8:
187 case FERMI_A_ZBC_COLOR_V0_FMT_AU8BU8GU8RU8:
188 case FERMI_A_ZBC_COLOR_V0_FMT_A2R10G10B10:
189 case FERMI_A_ZBC_COLOR_V0_FMT_BF10GF11RF11:
190 ret = gf100_gr_zbc_color_get(gr, args->v0.format,
191 args->v0.ds,
192 args->v0.l2);
193 if (ret >= 0) {
194 args->v0.index = ret;
195 return 0;
196 }
197 break;
198 default:
199 return -EINVAL;
200 }
201 }
202
203 return ret;
204 }
205
206 static int
gf100_fermi_mthd_zbc_depth(struct nvkm_object * object,void * data,u32 size)207 gf100_fermi_mthd_zbc_depth(struct nvkm_object *object, void *data, u32 size)
208 {
209 struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine));
210 union {
211 struct fermi_a_zbc_depth_v0 v0;
212 } *args = data;
213 int ret = -ENOSYS;
214
215 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
216 switch (args->v0.format) {
217 case FERMI_A_ZBC_DEPTH_V0_FMT_FP32:
218 ret = gf100_gr_zbc_depth_get(gr, args->v0.format,
219 args->v0.ds,
220 args->v0.l2);
221 return (ret >= 0) ? 0 : -ENOSPC;
222 default:
223 return -EINVAL;
224 }
225 }
226
227 return ret;
228 }
229
230 static int
gf100_fermi_mthd(struct nvkm_object * object,u32 mthd,void * data,u32 size)231 gf100_fermi_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
232 {
233 nvif_ioctl(object, "fermi mthd %08x\n", mthd);
234 switch (mthd) {
235 case FERMI_A_ZBC_COLOR:
236 return gf100_fermi_mthd_zbc_color(object, data, size);
237 case FERMI_A_ZBC_DEPTH:
238 return gf100_fermi_mthd_zbc_depth(object, data, size);
239 default:
240 break;
241 }
242 return -EINVAL;
243 }
244
245 const struct nvkm_object_func
246 gf100_fermi = {
247 .mthd = gf100_fermi_mthd,
248 };
249
250 static void
gf100_gr_mthd_set_shader_exceptions(struct nvkm_device * device,u32 data)251 gf100_gr_mthd_set_shader_exceptions(struct nvkm_device *device, u32 data)
252 {
253 nvkm_wr32(device, 0x419e44, data ? 0xffffffff : 0x00000000);
254 nvkm_wr32(device, 0x419e4c, data ? 0xffffffff : 0x00000000);
255 }
256
257 static bool
gf100_gr_mthd_sw(struct nvkm_device * device,u16 class,u32 mthd,u32 data)258 gf100_gr_mthd_sw(struct nvkm_device *device, u16 class, u32 mthd, u32 data)
259 {
260 switch (class & 0x00ff) {
261 case 0x97:
262 case 0xc0:
263 switch (mthd) {
264 case 0x1528:
265 gf100_gr_mthd_set_shader_exceptions(device, data);
266 return true;
267 default:
268 break;
269 }
270 break;
271 default:
272 break;
273 }
274 return false;
275 }
276
277 static const struct nvkm_object_func
278 gf100_gr_object_func = {
279 };
280
281 static int
gf100_gr_object_new(const struct nvkm_oclass * oclass,void * data,u32 size,struct nvkm_object ** pobject)282 gf100_gr_object_new(const struct nvkm_oclass *oclass, void *data, u32 size,
283 struct nvkm_object **pobject)
284 {
285 struct gf100_gr_chan *chan = gf100_gr_chan(oclass->parent);
286 struct gf100_gr_object *object;
287
288 if (!(object = kzalloc(sizeof(*object), GFP_KERNEL)))
289 return -ENOMEM;
290 *pobject = &object->object;
291
292 nvkm_object_ctor(oclass->base.func ? oclass->base.func :
293 &gf100_gr_object_func, oclass, &object->object);
294 object->chan = chan;
295 return 0;
296 }
297
298 static int
gf100_gr_object_get(struct nvkm_gr * base,int index,struct nvkm_sclass * sclass)299 gf100_gr_object_get(struct nvkm_gr *base, int index, struct nvkm_sclass *sclass)
300 {
301 struct gf100_gr *gr = gf100_gr(base);
302 int c = 0;
303
304 while (gr->func->sclass[c].oclass) {
305 if (c++ == index) {
306 *sclass = gr->func->sclass[index];
307 sclass->ctor = gf100_gr_object_new;
308 return index;
309 }
310 }
311
312 return c;
313 }
314
315 /*******************************************************************************
316 * PGRAPH context
317 ******************************************************************************/
318
319 static int
gf100_gr_chan_bind(struct nvkm_object * object,struct nvkm_gpuobj * parent,int align,struct nvkm_gpuobj ** pgpuobj)320 gf100_gr_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
321 int align, struct nvkm_gpuobj **pgpuobj)
322 {
323 struct gf100_gr_chan *chan = gf100_gr_chan(object);
324 struct gf100_gr *gr = chan->gr;
325 int ret, i;
326
327 ret = nvkm_gpuobj_new(gr->base.engine.subdev.device, gr->size,
328 align, false, parent, pgpuobj);
329 if (ret)
330 return ret;
331
332 nvkm_kmap(*pgpuobj);
333 for (i = 0; i < gr->size; i += 4)
334 nvkm_wo32(*pgpuobj, i, gr->data[i / 4]);
335
336 if (!gr->firmware) {
337 nvkm_wo32(*pgpuobj, 0x00, chan->mmio_nr / 2);
338 nvkm_wo32(*pgpuobj, 0x04, chan->mmio_vma->addr >> 8);
339 } else {
340 nvkm_wo32(*pgpuobj, 0xf4, 0);
341 nvkm_wo32(*pgpuobj, 0xf8, 0);
342 nvkm_wo32(*pgpuobj, 0x10, chan->mmio_nr / 2);
343 nvkm_wo32(*pgpuobj, 0x14, lower_32_bits(chan->mmio_vma->addr));
344 nvkm_wo32(*pgpuobj, 0x18, upper_32_bits(chan->mmio_vma->addr));
345 nvkm_wo32(*pgpuobj, 0x1c, 1);
346 nvkm_wo32(*pgpuobj, 0x20, 0);
347 nvkm_wo32(*pgpuobj, 0x28, 0);
348 nvkm_wo32(*pgpuobj, 0x2c, 0);
349 }
350 nvkm_done(*pgpuobj);
351 return 0;
352 }
353
354 static void *
gf100_gr_chan_dtor(struct nvkm_object * object)355 gf100_gr_chan_dtor(struct nvkm_object *object)
356 {
357 struct gf100_gr_chan *chan = gf100_gr_chan(object);
358
359 nvkm_vmm_put(chan->vmm, &chan->mmio_vma);
360 nvkm_memory_unref(&chan->mmio);
361
362 nvkm_vmm_put(chan->vmm, &chan->attrib_cb);
363 nvkm_vmm_put(chan->vmm, &chan->unknown);
364 nvkm_vmm_put(chan->vmm, &chan->bundle_cb);
365 nvkm_vmm_put(chan->vmm, &chan->pagepool);
366 nvkm_vmm_unref(&chan->vmm);
367 return chan;
368 }
369
370 static const struct nvkm_object_func
371 gf100_gr_chan = {
372 .dtor = gf100_gr_chan_dtor,
373 .bind = gf100_gr_chan_bind,
374 };
375
376 static int
gf100_gr_chan_new(struct nvkm_gr * base,struct nvkm_chan * fifoch,const struct nvkm_oclass * oclass,struct nvkm_object ** pobject)377 gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
378 const struct nvkm_oclass *oclass,
379 struct nvkm_object **pobject)
380 {
381 struct gf100_gr *gr = gf100_gr(base);
382 struct gf100_gr_chan *chan;
383 struct gf100_vmm_map_v0 args = { .priv = 1 };
384 struct nvkm_device *device = gr->base.engine.subdev.device;
385 int ret;
386
387 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
388 return -ENOMEM;
389 nvkm_object_ctor(&gf100_gr_chan, oclass, &chan->object);
390 chan->gr = gr;
391 chan->vmm = nvkm_vmm_ref(fifoch->vmm);
392 *pobject = &chan->object;
393
394 /* Map pagepool. */
395 ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->pagepool), &chan->pagepool);
396 if (ret)
397 return ret;
398
399 ret = nvkm_memory_map(gr->pagepool, 0, chan->vmm, chan->pagepool, &args, sizeof(args));
400 if (ret)
401 return ret;
402
403 /* Map bundle circular buffer. */
404 ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->bundle_cb), &chan->bundle_cb);
405 if (ret)
406 return ret;
407
408 ret = nvkm_memory_map(gr->bundle_cb, 0, chan->vmm, chan->bundle_cb, &args, sizeof(args));
409 if (ret)
410 return ret;
411
412 /* Map attribute circular buffer. */
413 ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->attrib_cb), &chan->attrib_cb);
414 if (ret)
415 return ret;
416
417 if (device->card_type < GP100) {
418 ret = nvkm_memory_map(gr->attrib_cb, 0, chan->vmm, chan->attrib_cb, NULL, 0);
419 if (ret)
420 return ret;
421 } else {
422 ret = nvkm_memory_map(gr->attrib_cb, 0, chan->vmm, chan->attrib_cb,
423 &args, sizeof(args));
424 if (ret)
425 return ret;
426 }
427
428 /* Map some context buffer of unknown purpose. */
429 if (gr->func->grctx->unknown_size) {
430 ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->unknown), &chan->unknown);
431 if (ret)
432 return ret;
433
434 ret = nvkm_memory_map(gr->unknown, 0, chan->vmm, chan->unknown,
435 &args, sizeof(args));
436 if (ret)
437 return ret;
438 }
439
440 /* Generate golden context image. */
441 mutex_lock(&gr->fecs.mutex);
442 if (gr->data == NULL) {
443 ret = gf100_grctx_generate(gr, chan, fifoch->inst);
444 if (ret) {
445 nvkm_error(&base->engine.subdev, "failed to construct context\n");
446 return ret;
447 }
448 }
449 mutex_unlock(&gr->fecs.mutex);
450
451 /* allocate memory for a "mmio list" buffer that's used by the HUB
452 * fuc to modify some per-context register settings on first load
453 * of the context.
454 */
455 ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x100,
456 false, &chan->mmio);
457 if (ret)
458 return ret;
459
460 ret = nvkm_vmm_get(fifoch->vmm, 12, 0x1000, &chan->mmio_vma);
461 if (ret)
462 return ret;
463
464 ret = nvkm_memory_map(chan->mmio, 0, fifoch->vmm,
465 chan->mmio_vma, &args, sizeof(args));
466 if (ret)
467 return ret;
468
469 /* finally, fill in the mmio list and point the context at it */
470 nvkm_kmap(chan->mmio);
471 gr->func->grctx->pagepool(chan, chan->pagepool->addr);
472 gr->func->grctx->bundle(chan, chan->bundle_cb->addr, gr->func->grctx->bundle_size);
473 gr->func->grctx->attrib_cb(chan, chan->attrib_cb->addr, gr->func->grctx->attrib_cb_size(gr));
474 gr->func->grctx->attrib(chan);
475 if (gr->func->grctx->patch_ltc)
476 gr->func->grctx->patch_ltc(chan);
477 if (gr->func->grctx->unknown_size)
478 gr->func->grctx->unknown(chan, chan->unknown->addr, gr->func->grctx->unknown_size);
479 nvkm_done(chan->mmio);
480 return 0;
481 }
482
483 /*******************************************************************************
484 * PGRAPH register lists
485 ******************************************************************************/
486
487 const struct gf100_gr_init
488 gf100_gr_init_main_0[] = {
489 { 0x400080, 1, 0x04, 0x003083c2 },
490 { 0x400088, 1, 0x04, 0x00006fe7 },
491 { 0x40008c, 1, 0x04, 0x00000000 },
492 { 0x400090, 1, 0x04, 0x00000030 },
493 { 0x40013c, 1, 0x04, 0x013901f7 },
494 { 0x400140, 1, 0x04, 0x00000100 },
495 { 0x400144, 1, 0x04, 0x00000000 },
496 { 0x400148, 1, 0x04, 0x00000110 },
497 { 0x400138, 1, 0x04, 0x00000000 },
498 { 0x400130, 2, 0x04, 0x00000000 },
499 { 0x400124, 1, 0x04, 0x00000002 },
500 {}
501 };
502
503 const struct gf100_gr_init
504 gf100_gr_init_fe_0[] = {
505 { 0x40415c, 1, 0x04, 0x00000000 },
506 { 0x404170, 1, 0x04, 0x00000000 },
507 {}
508 };
509
510 const struct gf100_gr_init
511 gf100_gr_init_pri_0[] = {
512 { 0x404488, 2, 0x04, 0x00000000 },
513 {}
514 };
515
516 const struct gf100_gr_init
517 gf100_gr_init_rstr2d_0[] = {
518 { 0x407808, 1, 0x04, 0x00000000 },
519 {}
520 };
521
522 const struct gf100_gr_init
523 gf100_gr_init_pd_0[] = {
524 { 0x406024, 1, 0x04, 0x00000000 },
525 {}
526 };
527
528 const struct gf100_gr_init
529 gf100_gr_init_ds_0[] = {
530 { 0x405844, 1, 0x04, 0x00ffffff },
531 { 0x405850, 1, 0x04, 0x00000000 },
532 { 0x405908, 1, 0x04, 0x00000000 },
533 {}
534 };
535
536 const struct gf100_gr_init
537 gf100_gr_init_scc_0[] = {
538 { 0x40803c, 1, 0x04, 0x00000000 },
539 {}
540 };
541
542 const struct gf100_gr_init
543 gf100_gr_init_prop_0[] = {
544 { 0x4184a0, 1, 0x04, 0x00000000 },
545 {}
546 };
547
548 const struct gf100_gr_init
549 gf100_gr_init_gpc_unk_0[] = {
550 { 0x418604, 1, 0x04, 0x00000000 },
551 { 0x418680, 1, 0x04, 0x00000000 },
552 { 0x418714, 1, 0x04, 0x80000000 },
553 { 0x418384, 1, 0x04, 0x00000000 },
554 {}
555 };
556
557 const struct gf100_gr_init
558 gf100_gr_init_setup_0[] = {
559 { 0x418814, 3, 0x04, 0x00000000 },
560 {}
561 };
562
563 const struct gf100_gr_init
564 gf100_gr_init_crstr_0[] = {
565 { 0x418b04, 1, 0x04, 0x00000000 },
566 {}
567 };
568
569 const struct gf100_gr_init
570 gf100_gr_init_setup_1[] = {
571 { 0x4188c8, 1, 0x04, 0x80000000 },
572 { 0x4188cc, 1, 0x04, 0x00000000 },
573 { 0x4188d0, 1, 0x04, 0x00010000 },
574 { 0x4188d4, 1, 0x04, 0x00000001 },
575 {}
576 };
577
578 const struct gf100_gr_init
579 gf100_gr_init_zcull_0[] = {
580 { 0x418910, 1, 0x04, 0x00010001 },
581 { 0x418914, 1, 0x04, 0x00000301 },
582 { 0x418918, 1, 0x04, 0x00800000 },
583 { 0x418980, 1, 0x04, 0x77777770 },
584 { 0x418984, 3, 0x04, 0x77777777 },
585 {}
586 };
587
588 const struct gf100_gr_init
589 gf100_gr_init_gpm_0[] = {
590 { 0x418c04, 1, 0x04, 0x00000000 },
591 { 0x418c88, 1, 0x04, 0x00000000 },
592 {}
593 };
594
595 const struct gf100_gr_init
596 gf100_gr_init_gpc_unk_1[] = {
597 { 0x418d00, 1, 0x04, 0x00000000 },
598 { 0x418f08, 1, 0x04, 0x00000000 },
599 { 0x418e00, 1, 0x04, 0x00000050 },
600 { 0x418e08, 1, 0x04, 0x00000000 },
601 {}
602 };
603
604 const struct gf100_gr_init
605 gf100_gr_init_gcc_0[] = {
606 { 0x41900c, 1, 0x04, 0x00000000 },
607 { 0x419018, 1, 0x04, 0x00000000 },
608 {}
609 };
610
611 const struct gf100_gr_init
612 gf100_gr_init_tpccs_0[] = {
613 { 0x419d08, 2, 0x04, 0x00000000 },
614 { 0x419d10, 1, 0x04, 0x00000014 },
615 {}
616 };
617
618 const struct gf100_gr_init
619 gf100_gr_init_tex_0[] = {
620 { 0x419ab0, 1, 0x04, 0x00000000 },
621 { 0x419ab8, 1, 0x04, 0x000000e7 },
622 { 0x419abc, 2, 0x04, 0x00000000 },
623 {}
624 };
625
626 const struct gf100_gr_init
627 gf100_gr_init_pe_0[] = {
628 { 0x41980c, 3, 0x04, 0x00000000 },
629 { 0x419844, 1, 0x04, 0x00000000 },
630 { 0x41984c, 1, 0x04, 0x00005bc5 },
631 { 0x419850, 4, 0x04, 0x00000000 },
632 {}
633 };
634
635 const struct gf100_gr_init
636 gf100_gr_init_l1c_0[] = {
637 { 0x419c98, 1, 0x04, 0x00000000 },
638 { 0x419ca8, 1, 0x04, 0x80000000 },
639 { 0x419cb4, 1, 0x04, 0x00000000 },
640 { 0x419cb8, 1, 0x04, 0x00008bf4 },
641 { 0x419cbc, 1, 0x04, 0x28137606 },
642 { 0x419cc0, 2, 0x04, 0x00000000 },
643 {}
644 };
645
646 const struct gf100_gr_init
647 gf100_gr_init_wwdx_0[] = {
648 { 0x419bd4, 1, 0x04, 0x00800000 },
649 { 0x419bdc, 1, 0x04, 0x00000000 },
650 {}
651 };
652
653 const struct gf100_gr_init
654 gf100_gr_init_tpccs_1[] = {
655 { 0x419d2c, 1, 0x04, 0x00000000 },
656 {}
657 };
658
659 const struct gf100_gr_init
660 gf100_gr_init_mpc_0[] = {
661 { 0x419c0c, 1, 0x04, 0x00000000 },
662 {}
663 };
664
665 static const struct gf100_gr_init
666 gf100_gr_init_sm_0[] = {
667 { 0x419e00, 1, 0x04, 0x00000000 },
668 { 0x419ea0, 1, 0x04, 0x00000000 },
669 { 0x419ea4, 1, 0x04, 0x00000100 },
670 { 0x419ea8, 1, 0x04, 0x00001100 },
671 { 0x419eac, 1, 0x04, 0x11100702 },
672 { 0x419eb0, 1, 0x04, 0x00000003 },
673 { 0x419eb4, 4, 0x04, 0x00000000 },
674 { 0x419ec8, 1, 0x04, 0x06060618 },
675 { 0x419ed0, 1, 0x04, 0x0eff0e38 },
676 { 0x419ed4, 1, 0x04, 0x011104f1 },
677 { 0x419edc, 1, 0x04, 0x00000000 },
678 { 0x419f00, 1, 0x04, 0x00000000 },
679 { 0x419f2c, 1, 0x04, 0x00000000 },
680 {}
681 };
682
683 const struct gf100_gr_init
684 gf100_gr_init_be_0[] = {
685 { 0x40880c, 1, 0x04, 0x00000000 },
686 { 0x408910, 9, 0x04, 0x00000000 },
687 { 0x408950, 1, 0x04, 0x00000000 },
688 { 0x408954, 1, 0x04, 0x0000ffff },
689 { 0x408984, 1, 0x04, 0x00000000 },
690 { 0x408988, 1, 0x04, 0x08040201 },
691 { 0x40898c, 1, 0x04, 0x80402010 },
692 {}
693 };
694
695 const struct gf100_gr_init
696 gf100_gr_init_fe_1[] = {
697 { 0x4040f0, 1, 0x04, 0x00000000 },
698 {}
699 };
700
701 const struct gf100_gr_init
702 gf100_gr_init_pe_1[] = {
703 { 0x419880, 1, 0x04, 0x00000002 },
704 {}
705 };
706
707 static const struct gf100_gr_pack
708 gf100_gr_pack_mmio[] = {
709 { gf100_gr_init_main_0 },
710 { gf100_gr_init_fe_0 },
711 { gf100_gr_init_pri_0 },
712 { gf100_gr_init_rstr2d_0 },
713 { gf100_gr_init_pd_0 },
714 { gf100_gr_init_ds_0 },
715 { gf100_gr_init_scc_0 },
716 { gf100_gr_init_prop_0 },
717 { gf100_gr_init_gpc_unk_0 },
718 { gf100_gr_init_setup_0 },
719 { gf100_gr_init_crstr_0 },
720 { gf100_gr_init_setup_1 },
721 { gf100_gr_init_zcull_0 },
722 { gf100_gr_init_gpm_0 },
723 { gf100_gr_init_gpc_unk_1 },
724 { gf100_gr_init_gcc_0 },
725 { gf100_gr_init_tpccs_0 },
726 { gf100_gr_init_tex_0 },
727 { gf100_gr_init_pe_0 },
728 { gf100_gr_init_l1c_0 },
729 { gf100_gr_init_wwdx_0 },
730 { gf100_gr_init_tpccs_1 },
731 { gf100_gr_init_mpc_0 },
732 { gf100_gr_init_sm_0 },
733 { gf100_gr_init_be_0 },
734 { gf100_gr_init_fe_1 },
735 { gf100_gr_init_pe_1 },
736 {}
737 };
738
739 /*******************************************************************************
740 * PGRAPH engine/subdev functions
741 ******************************************************************************/
742
743 static u32
gf100_gr_ctxsw_inst(struct nvkm_gr * gr)744 gf100_gr_ctxsw_inst(struct nvkm_gr *gr)
745 {
746 return nvkm_rd32(gr->engine.subdev.device, 0x409b00);
747 }
748
749 static int
gf100_gr_fecs_ctrl_ctxsw(struct gf100_gr * gr,u32 mthd)750 gf100_gr_fecs_ctrl_ctxsw(struct gf100_gr *gr, u32 mthd)
751 {
752 struct nvkm_device *device = gr->base.engine.subdev.device;
753
754 nvkm_wr32(device, 0x409804, 0xffffffff);
755 nvkm_wr32(device, 0x409800, 0x00000000);
756 nvkm_wr32(device, 0x409500, 0xffffffff);
757 nvkm_wr32(device, 0x409504, mthd);
758 nvkm_msec(device, 2000,
759 u32 stat = nvkm_rd32(device, 0x409804);
760 if (stat == 0x00000002)
761 return -EIO;
762 if (stat == 0x00000001)
763 return 0;
764 );
765
766 return -ETIMEDOUT;
767 }
768
769 static int
gf100_gr_fecs_start_ctxsw(struct nvkm_gr * base)770 gf100_gr_fecs_start_ctxsw(struct nvkm_gr *base)
771 {
772 struct gf100_gr *gr = gf100_gr(base);
773 int ret = 0;
774
775 mutex_lock(&gr->fecs.mutex);
776 if (!--gr->fecs.disable) {
777 if (WARN_ON(ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x39)))
778 gr->fecs.disable++;
779 }
780 mutex_unlock(&gr->fecs.mutex);
781 return ret;
782 }
783
784 static int
gf100_gr_fecs_stop_ctxsw(struct nvkm_gr * base)785 gf100_gr_fecs_stop_ctxsw(struct nvkm_gr *base)
786 {
787 struct gf100_gr *gr = gf100_gr(base);
788 int ret = 0;
789
790 mutex_lock(&gr->fecs.mutex);
791 if (!gr->fecs.disable++) {
792 if (WARN_ON(ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x38)))
793 gr->fecs.disable--;
794 }
795 mutex_unlock(&gr->fecs.mutex);
796 return ret;
797 }
798
799 static int
gf100_gr_fecs_halt_pipeline(struct gf100_gr * gr)800 gf100_gr_fecs_halt_pipeline(struct gf100_gr *gr)
801 {
802 int ret = 0;
803
804 if (gr->firmware) {
805 mutex_lock(&gr->fecs.mutex);
806 ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x04);
807 mutex_unlock(&gr->fecs.mutex);
808 }
809
810 return ret;
811 }
812
813 int
gf100_gr_fecs_wfi_golden_save(struct gf100_gr * gr,u32 inst)814 gf100_gr_fecs_wfi_golden_save(struct gf100_gr *gr, u32 inst)
815 {
816 struct nvkm_device *device = gr->base.engine.subdev.device;
817
818 nvkm_mask(device, 0x409800, 0x00000003, 0x00000000);
819 nvkm_wr32(device, 0x409500, inst);
820 nvkm_wr32(device, 0x409504, 0x00000009);
821 nvkm_msec(device, 2000,
822 u32 stat = nvkm_rd32(device, 0x409800);
823 if (stat & 0x00000002)
824 return -EIO;
825 if (stat & 0x00000001)
826 return 0;
827 );
828
829 return -ETIMEDOUT;
830 }
831
832 int
gf100_gr_fecs_bind_pointer(struct gf100_gr * gr,u32 inst)833 gf100_gr_fecs_bind_pointer(struct gf100_gr *gr, u32 inst)
834 {
835 struct nvkm_device *device = gr->base.engine.subdev.device;
836
837 nvkm_mask(device, 0x409800, 0x00000030, 0x00000000);
838 nvkm_wr32(device, 0x409500, inst);
839 nvkm_wr32(device, 0x409504, 0x00000003);
840 nvkm_msec(device, 2000,
841 u32 stat = nvkm_rd32(device, 0x409800);
842 if (stat & 0x00000020)
843 return -EIO;
844 if (stat & 0x00000010)
845 return 0;
846 );
847
848 return -ETIMEDOUT;
849 }
850
851 static int
gf100_gr_fecs_set_reglist_virtual_address(struct gf100_gr * gr,u64 addr)852 gf100_gr_fecs_set_reglist_virtual_address(struct gf100_gr *gr, u64 addr)
853 {
854 struct nvkm_device *device = gr->base.engine.subdev.device;
855
856 nvkm_wr32(device, 0x409810, addr >> 8);
857 nvkm_wr32(device, 0x409800, 0x00000000);
858 nvkm_wr32(device, 0x409500, 0x00000001);
859 nvkm_wr32(device, 0x409504, 0x00000032);
860 nvkm_msec(device, 2000,
861 if (nvkm_rd32(device, 0x409800) == 0x00000001)
862 return 0;
863 );
864
865 return -ETIMEDOUT;
866 }
867
868 static int
gf100_gr_fecs_set_reglist_bind_instance(struct gf100_gr * gr,u32 inst)869 gf100_gr_fecs_set_reglist_bind_instance(struct gf100_gr *gr, u32 inst)
870 {
871 struct nvkm_device *device = gr->base.engine.subdev.device;
872
873 nvkm_wr32(device, 0x409810, inst);
874 nvkm_wr32(device, 0x409800, 0x00000000);
875 nvkm_wr32(device, 0x409500, 0x00000001);
876 nvkm_wr32(device, 0x409504, 0x00000031);
877 nvkm_msec(device, 2000,
878 if (nvkm_rd32(device, 0x409800) == 0x00000001)
879 return 0;
880 );
881
882 return -ETIMEDOUT;
883 }
884
885 static int
gf100_gr_fecs_discover_reglist_image_size(struct gf100_gr * gr,u32 * psize)886 gf100_gr_fecs_discover_reglist_image_size(struct gf100_gr *gr, u32 *psize)
887 {
888 struct nvkm_device *device = gr->base.engine.subdev.device;
889
890 nvkm_wr32(device, 0x409800, 0x00000000);
891 nvkm_wr32(device, 0x409500, 0x00000001);
892 nvkm_wr32(device, 0x409504, 0x00000030);
893 nvkm_msec(device, 2000,
894 if ((*psize = nvkm_rd32(device, 0x409800)))
895 return 0;
896 );
897
898 return -ETIMEDOUT;
899 }
900
901 static int
gf100_gr_fecs_elpg_bind(struct gf100_gr * gr)902 gf100_gr_fecs_elpg_bind(struct gf100_gr *gr)
903 {
904 u32 size;
905 int ret;
906
907 ret = gf100_gr_fecs_discover_reglist_image_size(gr, &size);
908 if (ret)
909 return ret;
910
911 /*XXX: We need to allocate + map the above into PMU's inst block,
912 * which which means we probably need a proper PMU before we
913 * even bother.
914 */
915
916 ret = gf100_gr_fecs_set_reglist_bind_instance(gr, 0);
917 if (ret)
918 return ret;
919
920 return gf100_gr_fecs_set_reglist_virtual_address(gr, 0);
921 }
922
923 static int
gf100_gr_fecs_discover_pm_image_size(struct gf100_gr * gr,u32 * psize)924 gf100_gr_fecs_discover_pm_image_size(struct gf100_gr *gr, u32 *psize)
925 {
926 struct nvkm_device *device = gr->base.engine.subdev.device;
927
928 nvkm_wr32(device, 0x409800, 0x00000000);
929 nvkm_wr32(device, 0x409500, 0x00000000);
930 nvkm_wr32(device, 0x409504, 0x00000025);
931 nvkm_msec(device, 2000,
932 if ((*psize = nvkm_rd32(device, 0x409800)))
933 return 0;
934 );
935
936 return -ETIMEDOUT;
937 }
938
939 static int
gf100_gr_fecs_discover_zcull_image_size(struct gf100_gr * gr,u32 * psize)940 gf100_gr_fecs_discover_zcull_image_size(struct gf100_gr *gr, u32 *psize)
941 {
942 struct nvkm_device *device = gr->base.engine.subdev.device;
943
944 nvkm_wr32(device, 0x409800, 0x00000000);
945 nvkm_wr32(device, 0x409500, 0x00000000);
946 nvkm_wr32(device, 0x409504, 0x00000016);
947 nvkm_msec(device, 2000,
948 if ((*psize = nvkm_rd32(device, 0x409800)))
949 return 0;
950 );
951
952 return -ETIMEDOUT;
953 }
954
955 static int
gf100_gr_fecs_discover_image_size(struct gf100_gr * gr,u32 * psize)956 gf100_gr_fecs_discover_image_size(struct gf100_gr *gr, u32 *psize)
957 {
958 struct nvkm_device *device = gr->base.engine.subdev.device;
959
960 nvkm_wr32(device, 0x409800, 0x00000000);
961 nvkm_wr32(device, 0x409500, 0x00000000);
962 nvkm_wr32(device, 0x409504, 0x00000010);
963 nvkm_msec(device, 2000,
964 if ((*psize = nvkm_rd32(device, 0x409800)))
965 return 0;
966 );
967
968 return -ETIMEDOUT;
969 }
970
971 static void
gf100_gr_fecs_set_watchdog_timeout(struct gf100_gr * gr,u32 timeout)972 gf100_gr_fecs_set_watchdog_timeout(struct gf100_gr *gr, u32 timeout)
973 {
974 struct nvkm_device *device = gr->base.engine.subdev.device;
975
976 nvkm_wr32(device, 0x409800, 0x00000000);
977 nvkm_wr32(device, 0x409500, timeout);
978 nvkm_wr32(device, 0x409504, 0x00000021);
979 }
980
981 static bool
gf100_gr_chsw_load(struct nvkm_gr * base)982 gf100_gr_chsw_load(struct nvkm_gr *base)
983 {
984 struct gf100_gr *gr = gf100_gr(base);
985 if (!gr->firmware) {
986 u32 trace = nvkm_rd32(gr->base.engine.subdev.device, 0x40981c);
987 if (trace & 0x00000040)
988 return true;
989 } else {
990 u32 mthd = nvkm_rd32(gr->base.engine.subdev.device, 0x409808);
991 if (mthd & 0x00080000)
992 return true;
993 }
994 return false;
995 }
996
997 int
gf100_gr_rops(struct gf100_gr * gr)998 gf100_gr_rops(struct gf100_gr *gr)
999 {
1000 struct nvkm_device *device = gr->base.engine.subdev.device;
1001 return (nvkm_rd32(device, 0x409604) & 0x001f0000) >> 16;
1002 }
1003
1004 void
gf100_gr_zbc_init(struct gf100_gr * gr)1005 gf100_gr_zbc_init(struct gf100_gr *gr)
1006 {
1007 const u32 zero[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
1008 0x00000000, 0x00000000, 0x00000000, 0x00000000 };
1009 const u32 one[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
1010 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff };
1011 const u32 f32_0[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
1012 0x00000000, 0x00000000, 0x00000000, 0x00000000 };
1013 const u32 f32_1[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
1014 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000 };
1015 struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
1016 int index, c = ltc->zbc_color_min, d = ltc->zbc_depth_min, s = ltc->zbc_depth_min;
1017
1018 if (!gr->zbc_color[0].format) {
1019 gf100_gr_zbc_color_get(gr, 1, & zero[0], &zero[4]); c++;
1020 gf100_gr_zbc_color_get(gr, 2, & one[0], &one[4]); c++;
1021 gf100_gr_zbc_color_get(gr, 4, &f32_0[0], &f32_0[4]); c++;
1022 gf100_gr_zbc_color_get(gr, 4, &f32_1[0], &f32_1[4]); c++;
1023 gf100_gr_zbc_depth_get(gr, 1, 0x00000000, 0x00000000); d++;
1024 gf100_gr_zbc_depth_get(gr, 1, 0x3f800000, 0x3f800000); d++;
1025 if (gr->func->zbc->stencil_get) {
1026 gr->func->zbc->stencil_get(gr, 1, 0x00, 0x00); s++;
1027 gr->func->zbc->stencil_get(gr, 1, 0x01, 0x01); s++;
1028 gr->func->zbc->stencil_get(gr, 1, 0xff, 0xff); s++;
1029 }
1030 }
1031
1032 for (index = c; index <= ltc->zbc_color_max; index++)
1033 gr->func->zbc->clear_color(gr, index);
1034 for (index = d; index <= ltc->zbc_depth_max; index++)
1035 gr->func->zbc->clear_depth(gr, index);
1036
1037 if (gr->func->zbc->clear_stencil) {
1038 for (index = s; index <= ltc->zbc_depth_max; index++)
1039 gr->func->zbc->clear_stencil(gr, index);
1040 }
1041 }
1042
1043 /*
1044 * Wait until GR goes idle. GR is considered idle if it is disabled by the
1045 * MC (0x200) register, or GR is not busy and a context switch is not in
1046 * progress.
1047 */
1048 int
gf100_gr_wait_idle(struct gf100_gr * gr)1049 gf100_gr_wait_idle(struct gf100_gr *gr)
1050 {
1051 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1052 struct nvkm_device *device = subdev->device;
1053 unsigned long end_jiffies = jiffies + msecs_to_jiffies(2000);
1054 bool gr_enabled, ctxsw_active, gr_busy;
1055
1056 do {
1057 /*
1058 * required to make sure FIFO_ENGINE_STATUS (0x2640) is
1059 * up-to-date
1060 */
1061 nvkm_rd32(device, 0x400700);
1062
1063 gr_enabled = nvkm_rd32(device, 0x200) & 0x1000;
1064 ctxsw_active = nvkm_fifo_ctxsw_in_progress(&gr->base.engine);
1065 gr_busy = nvkm_rd32(device, 0x40060c) & 0x1;
1066
1067 if (!gr_enabled || (!gr_busy && !ctxsw_active))
1068 return 0;
1069 } while (time_before(jiffies, end_jiffies));
1070
1071 nvkm_error(subdev,
1072 "wait for idle timeout (en: %d, ctxsw: %d, busy: %d)\n",
1073 gr_enabled, ctxsw_active, gr_busy);
1074 return -EAGAIN;
1075 }
1076
1077 void
gf100_gr_mmio(struct gf100_gr * gr,const struct gf100_gr_pack * p)1078 gf100_gr_mmio(struct gf100_gr *gr, const struct gf100_gr_pack *p)
1079 {
1080 struct nvkm_device *device = gr->base.engine.subdev.device;
1081 const struct gf100_gr_pack *pack;
1082 const struct gf100_gr_init *init;
1083
1084 pack_for_each_init(init, pack, p) {
1085 u32 next = init->addr + init->count * init->pitch;
1086 u32 addr = init->addr;
1087 while (addr < next) {
1088 nvkm_wr32(device, addr, init->data);
1089 addr += init->pitch;
1090 }
1091 }
1092 }
1093
1094 void
gf100_gr_icmd(struct gf100_gr * gr,const struct gf100_gr_pack * p)1095 gf100_gr_icmd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
1096 {
1097 struct nvkm_device *device = gr->base.engine.subdev.device;
1098 const struct gf100_gr_pack *pack;
1099 const struct gf100_gr_init *init;
1100 u64 data = 0;
1101
1102 nvkm_wr32(device, 0x400208, 0x80000000);
1103
1104 pack_for_each_init(init, pack, p) {
1105 u32 next = init->addr + init->count * init->pitch;
1106 u32 addr = init->addr;
1107
1108 if ((pack == p && init == p->init) || data != init->data) {
1109 nvkm_wr32(device, 0x400204, init->data);
1110 if (pack->type == 64)
1111 nvkm_wr32(device, 0x40020c, upper_32_bits(init->data));
1112 data = init->data;
1113 }
1114
1115 while (addr < next) {
1116 nvkm_wr32(device, 0x400200, addr);
1117 /**
1118 * Wait for GR to go idle after submitting a
1119 * GO_IDLE bundle
1120 */
1121 if ((addr & 0xffff) == 0xe100)
1122 gf100_gr_wait_idle(gr);
1123 nvkm_msec(device, 2000,
1124 if (!(nvkm_rd32(device, 0x400700) & 0x00000004))
1125 break;
1126 );
1127 addr += init->pitch;
1128 }
1129 }
1130
1131 nvkm_wr32(device, 0x400208, 0x00000000);
1132 }
1133
1134 void
gf100_gr_mthd(struct gf100_gr * gr,const struct gf100_gr_pack * p)1135 gf100_gr_mthd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
1136 {
1137 struct nvkm_device *device = gr->base.engine.subdev.device;
1138 const struct gf100_gr_pack *pack;
1139 const struct gf100_gr_init *init;
1140 u32 data = 0;
1141
1142 pack_for_each_init(init, pack, p) {
1143 u32 ctrl = 0x80000000 | pack->type;
1144 u32 next = init->addr + init->count * init->pitch;
1145 u32 addr = init->addr;
1146
1147 if ((pack == p && init == p->init) || data != init->data) {
1148 nvkm_wr32(device, 0x40448c, init->data);
1149 data = init->data;
1150 }
1151
1152 while (addr < next) {
1153 nvkm_wr32(device, 0x404488, ctrl | (addr << 14));
1154 addr += init->pitch;
1155 }
1156 }
1157 }
1158
1159 u64
gf100_gr_units(struct nvkm_gr * base)1160 gf100_gr_units(struct nvkm_gr *base)
1161 {
1162 struct gf100_gr *gr = gf100_gr(base);
1163 u64 cfg;
1164
1165 cfg = (u32)gr->gpc_nr;
1166 cfg |= (u32)gr->tpc_total << 8;
1167 cfg |= (u64)gr->rop_nr << 32;
1168
1169 return cfg;
1170 }
1171
1172 static const struct nvkm_bitfield gf100_dispatch_error[] = {
1173 { 0x00000001, "INJECTED_BUNDLE_ERROR" },
1174 { 0x00000002, "CLASS_SUBCH_MISMATCH" },
1175 { 0x00000004, "SUBCHSW_DURING_NOTIFY" },
1176 {}
1177 };
1178
1179 static const struct nvkm_bitfield gf100_m2mf_error[] = {
1180 { 0x00000001, "PUSH_TOO_MUCH_DATA" },
1181 { 0x00000002, "PUSH_NOT_ENOUGH_DATA" },
1182 {}
1183 };
1184
1185 static const struct nvkm_bitfield gf100_unk6_error[] = {
1186 { 0x00000001, "TEMP_TOO_SMALL" },
1187 {}
1188 };
1189
1190 static const struct nvkm_bitfield gf100_ccache_error[] = {
1191 { 0x00000001, "INTR" },
1192 { 0x00000002, "LDCONST_OOB" },
1193 {}
1194 };
1195
1196 static const struct nvkm_bitfield gf100_macro_error[] = {
1197 { 0x00000001, "TOO_FEW_PARAMS" },
1198 { 0x00000002, "TOO_MANY_PARAMS" },
1199 { 0x00000004, "ILLEGAL_OPCODE" },
1200 { 0x00000008, "DOUBLE_BRANCH" },
1201 { 0x00000010, "WATCHDOG" },
1202 {}
1203 };
1204
1205 static const struct nvkm_bitfield gk104_sked_error[] = {
1206 { 0x00000040, "CTA_RESUME" },
1207 { 0x00000080, "CONSTANT_BUFFER_SIZE" },
1208 { 0x00000200, "LOCAL_MEMORY_SIZE_POS" },
1209 { 0x00000400, "LOCAL_MEMORY_SIZE_NEG" },
1210 { 0x00000800, "WARP_CSTACK_SIZE" },
1211 { 0x00001000, "TOTAL_TEMP_SIZE" },
1212 { 0x00002000, "REGISTER_COUNT" },
1213 { 0x00040000, "TOTAL_THREADS" },
1214 { 0x00100000, "PROGRAM_OFFSET" },
1215 { 0x00200000, "SHARED_MEMORY_SIZE" },
1216 { 0x00800000, "CTA_THREAD_DIMENSION_ZERO" },
1217 { 0x01000000, "MEMORY_WINDOW_OVERLAP" },
1218 { 0x02000000, "SHARED_CONFIG_TOO_SMALL" },
1219 { 0x04000000, "TOTAL_REGISTER_COUNT" },
1220 {}
1221 };
1222
1223 static const struct nvkm_bitfield gf100_gpc_rop_error[] = {
1224 { 0x00000002, "RT_PITCH_OVERRUN" },
1225 { 0x00000010, "RT_WIDTH_OVERRUN" },
1226 { 0x00000020, "RT_HEIGHT_OVERRUN" },
1227 { 0x00000080, "ZETA_STORAGE_TYPE_MISMATCH" },
1228 { 0x00000100, "RT_STORAGE_TYPE_MISMATCH" },
1229 { 0x00000400, "RT_LINEAR_MISMATCH" },
1230 {}
1231 };
1232
1233 static void
gf100_gr_trap_gpc_rop(struct gf100_gr * gr,int gpc)1234 gf100_gr_trap_gpc_rop(struct gf100_gr *gr, int gpc)
1235 {
1236 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1237 struct nvkm_device *device = subdev->device;
1238 char error[128];
1239 u32 trap[4];
1240
1241 trap[0] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0420)) & 0x3fffffff;
1242 trap[1] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0434));
1243 trap[2] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0438));
1244 trap[3] = nvkm_rd32(device, GPC_UNIT(gpc, 0x043c));
1245
1246 nvkm_snprintbf(error, sizeof(error), gf100_gpc_rop_error, trap[0]);
1247
1248 nvkm_error(subdev, "GPC%d/PROP trap: %08x [%s] x = %u, y = %u, "
1249 "format = %x, storage type = %x\n",
1250 gpc, trap[0], error, trap[1] & 0xffff, trap[1] >> 16,
1251 (trap[2] >> 8) & 0x3f, trap[3] & 0xff);
1252 nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
1253 }
1254
1255 const struct nvkm_enum gf100_mp_warp_error[] = {
1256 { 0x01, "STACK_ERROR" },
1257 { 0x02, "API_STACK_ERROR" },
1258 { 0x03, "RET_EMPTY_STACK_ERROR" },
1259 { 0x04, "PC_WRAP" },
1260 { 0x05, "MISALIGNED_PC" },
1261 { 0x06, "PC_OVERFLOW" },
1262 { 0x07, "MISALIGNED_IMMC_ADDR" },
1263 { 0x08, "MISALIGNED_REG" },
1264 { 0x09, "ILLEGAL_INSTR_ENCODING" },
1265 { 0x0a, "ILLEGAL_SPH_INSTR_COMBO" },
1266 { 0x0b, "ILLEGAL_INSTR_PARAM" },
1267 { 0x0c, "INVALID_CONST_ADDR" },
1268 { 0x0d, "OOR_REG" },
1269 { 0x0e, "OOR_ADDR" },
1270 { 0x0f, "MISALIGNED_ADDR" },
1271 { 0x10, "INVALID_ADDR_SPACE" },
1272 { 0x11, "ILLEGAL_INSTR_PARAM2" },
1273 { 0x12, "INVALID_CONST_ADDR_LDC" },
1274 { 0x13, "GEOMETRY_SM_ERROR" },
1275 { 0x14, "DIVERGENT" },
1276 { 0x15, "WARP_EXIT" },
1277 {}
1278 };
1279
1280 const struct nvkm_bitfield gf100_mp_global_error[] = {
1281 { 0x00000001, "SM_TO_SM_FAULT" },
1282 { 0x00000002, "L1_ERROR" },
1283 { 0x00000004, "MULTIPLE_WARP_ERRORS" },
1284 { 0x00000008, "PHYSICAL_STACK_OVERFLOW" },
1285 { 0x00000010, "BPT_INT" },
1286 { 0x00000020, "BPT_PAUSE" },
1287 { 0x00000040, "SINGLE_STEP_COMPLETE" },
1288 { 0x20000000, "ECC_SEC_ERROR" },
1289 { 0x40000000, "ECC_DED_ERROR" },
1290 { 0x80000000, "TIMEOUT" },
1291 {}
1292 };
1293
1294 void
gf100_gr_trap_mp(struct gf100_gr * gr,int gpc,int tpc)1295 gf100_gr_trap_mp(struct gf100_gr *gr, int gpc, int tpc)
1296 {
1297 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1298 struct nvkm_device *device = subdev->device;
1299 u32 werr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x648));
1300 u32 gerr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x650));
1301 const struct nvkm_enum *warp;
1302 char glob[128];
1303
1304 nvkm_snprintbf(glob, sizeof(glob), gf100_mp_global_error, gerr);
1305 warp = nvkm_enum_find(gf100_mp_warp_error, werr & 0xffff);
1306
1307 nvkm_error(subdev, "GPC%i/TPC%i/MP trap: "
1308 "global %08x [%s] warp %04x [%s]\n",
1309 gpc, tpc, gerr, glob, werr, warp ? warp->name : "");
1310
1311 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x648), 0x00000000);
1312 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x650), gerr);
1313 }
1314
1315 static void
gf100_gr_trap_tpc(struct gf100_gr * gr,int gpc,int tpc)1316 gf100_gr_trap_tpc(struct gf100_gr *gr, int gpc, int tpc)
1317 {
1318 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1319 struct nvkm_device *device = subdev->device;
1320 u32 stat = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0508));
1321
1322 if (stat & 0x00000001) {
1323 u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0224));
1324 nvkm_error(subdev, "GPC%d/TPC%d/TEX: %08x\n", gpc, tpc, trap);
1325 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000);
1326 stat &= ~0x00000001;
1327 }
1328
1329 if (stat & 0x00000002) {
1330 gr->func->trap_mp(gr, gpc, tpc);
1331 stat &= ~0x00000002;
1332 }
1333
1334 if (stat & 0x00000004) {
1335 u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0084));
1336 nvkm_error(subdev, "GPC%d/TPC%d/POLY: %08x\n", gpc, tpc, trap);
1337 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000);
1338 stat &= ~0x00000004;
1339 }
1340
1341 if (stat & 0x00000008) {
1342 u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x048c));
1343 nvkm_error(subdev, "GPC%d/TPC%d/L1C: %08x\n", gpc, tpc, trap);
1344 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000);
1345 stat &= ~0x00000008;
1346 }
1347
1348 if (stat & 0x00000010) {
1349 u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0430));
1350 nvkm_error(subdev, "GPC%d/TPC%d/MPC: %08x\n", gpc, tpc, trap);
1351 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0430), 0xc0000000);
1352 stat &= ~0x00000010;
1353 }
1354
1355 if (stat) {
1356 nvkm_error(subdev, "GPC%d/TPC%d/%08x: unknown\n", gpc, tpc, stat);
1357 }
1358 }
1359
1360 static void
gf100_gr_trap_gpc(struct gf100_gr * gr,int gpc)1361 gf100_gr_trap_gpc(struct gf100_gr *gr, int gpc)
1362 {
1363 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1364 struct nvkm_device *device = subdev->device;
1365 u32 stat = nvkm_rd32(device, GPC_UNIT(gpc, 0x2c90));
1366 int tpc;
1367
1368 if (stat & 0x00000001) {
1369 gf100_gr_trap_gpc_rop(gr, gpc);
1370 stat &= ~0x00000001;
1371 }
1372
1373 if (stat & 0x00000002) {
1374 u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0900));
1375 nvkm_error(subdev, "GPC%d/ZCULL: %08x\n", gpc, trap);
1376 nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
1377 stat &= ~0x00000002;
1378 }
1379
1380 if (stat & 0x00000004) {
1381 u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x1028));
1382 nvkm_error(subdev, "GPC%d/CCACHE: %08x\n", gpc, trap);
1383 nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
1384 stat &= ~0x00000004;
1385 }
1386
1387 if (stat & 0x00000008) {
1388 u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0824));
1389 nvkm_error(subdev, "GPC%d/ESETUP: %08x\n", gpc, trap);
1390 nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
1391 stat &= ~0x00000009;
1392 }
1393
1394 for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
1395 u32 mask = 0x00010000 << tpc;
1396 if (stat & mask) {
1397 gf100_gr_trap_tpc(gr, gpc, tpc);
1398 nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), mask);
1399 stat &= ~mask;
1400 }
1401 }
1402
1403 if (stat) {
1404 nvkm_error(subdev, "GPC%d/%08x: unknown\n", gpc, stat);
1405 }
1406 }
1407
1408 static void
gf100_gr_trap_intr(struct gf100_gr * gr)1409 gf100_gr_trap_intr(struct gf100_gr *gr)
1410 {
1411 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1412 struct nvkm_device *device = subdev->device;
1413 char error[128];
1414 u32 trap = nvkm_rd32(device, 0x400108);
1415 int rop, gpc;
1416
1417 if (trap & 0x00000001) {
1418 u32 stat = nvkm_rd32(device, 0x404000);
1419
1420 nvkm_snprintbf(error, sizeof(error), gf100_dispatch_error,
1421 stat & 0x3fffffff);
1422 nvkm_error(subdev, "DISPATCH %08x [%s]\n", stat, error);
1423 nvkm_wr32(device, 0x404000, 0xc0000000);
1424 nvkm_wr32(device, 0x400108, 0x00000001);
1425 trap &= ~0x00000001;
1426 }
1427
1428 if (trap & 0x00000002) {
1429 u32 stat = nvkm_rd32(device, 0x404600);
1430
1431 nvkm_snprintbf(error, sizeof(error), gf100_m2mf_error,
1432 stat & 0x3fffffff);
1433 nvkm_error(subdev, "M2MF %08x [%s]\n", stat, error);
1434
1435 nvkm_wr32(device, 0x404600, 0xc0000000);
1436 nvkm_wr32(device, 0x400108, 0x00000002);
1437 trap &= ~0x00000002;
1438 }
1439
1440 if (trap & 0x00000008) {
1441 u32 stat = nvkm_rd32(device, 0x408030);
1442
1443 nvkm_snprintbf(error, sizeof(error), gf100_ccache_error,
1444 stat & 0x3fffffff);
1445 nvkm_error(subdev, "CCACHE %08x [%s]\n", stat, error);
1446 nvkm_wr32(device, 0x408030, 0xc0000000);
1447 nvkm_wr32(device, 0x400108, 0x00000008);
1448 trap &= ~0x00000008;
1449 }
1450
1451 if (trap & 0x00000010) {
1452 u32 stat = nvkm_rd32(device, 0x405840);
1453 nvkm_error(subdev, "SHADER %08x, sph: 0x%06x, stage: 0x%02x\n",
1454 stat, stat & 0xffffff, (stat >> 24) & 0x3f);
1455 nvkm_wr32(device, 0x405840, 0xc0000000);
1456 nvkm_wr32(device, 0x400108, 0x00000010);
1457 trap &= ~0x00000010;
1458 }
1459
1460 if (trap & 0x00000040) {
1461 u32 stat = nvkm_rd32(device, 0x40601c);
1462
1463 nvkm_snprintbf(error, sizeof(error), gf100_unk6_error,
1464 stat & 0x3fffffff);
1465 nvkm_error(subdev, "UNK6 %08x [%s]\n", stat, error);
1466
1467 nvkm_wr32(device, 0x40601c, 0xc0000000);
1468 nvkm_wr32(device, 0x400108, 0x00000040);
1469 trap &= ~0x00000040;
1470 }
1471
1472 if (trap & 0x00000080) {
1473 u32 stat = nvkm_rd32(device, 0x404490);
1474 u32 pc = nvkm_rd32(device, 0x404494);
1475 u32 op = nvkm_rd32(device, 0x40449c);
1476
1477 nvkm_snprintbf(error, sizeof(error), gf100_macro_error,
1478 stat & 0x1fffffff);
1479 nvkm_error(subdev, "MACRO %08x [%s], pc: 0x%03x%s, op: 0x%08x\n",
1480 stat, error, pc & 0x7ff,
1481 (pc & 0x10000000) ? "" : " (invalid)",
1482 op);
1483
1484 nvkm_wr32(device, 0x404490, 0xc0000000);
1485 nvkm_wr32(device, 0x400108, 0x00000080);
1486 trap &= ~0x00000080;
1487 }
1488
1489 if (trap & 0x00000100) {
1490 u32 stat = nvkm_rd32(device, 0x407020) & 0x3fffffff;
1491
1492 nvkm_snprintbf(error, sizeof(error), gk104_sked_error, stat);
1493 nvkm_error(subdev, "SKED: %08x [%s]\n", stat, error);
1494
1495 if (stat)
1496 nvkm_wr32(device, 0x407020, 0x40000000);
1497 nvkm_wr32(device, 0x400108, 0x00000100);
1498 trap &= ~0x00000100;
1499 }
1500
1501 if (trap & 0x01000000) {
1502 u32 stat = nvkm_rd32(device, 0x400118);
1503 for (gpc = 0; stat && gpc < gr->gpc_nr; gpc++) {
1504 u32 mask = 0x00000001 << gpc;
1505 if (stat & mask) {
1506 gf100_gr_trap_gpc(gr, gpc);
1507 nvkm_wr32(device, 0x400118, mask);
1508 stat &= ~mask;
1509 }
1510 }
1511 nvkm_wr32(device, 0x400108, 0x01000000);
1512 trap &= ~0x01000000;
1513 }
1514
1515 if (trap & 0x02000000) {
1516 for (rop = 0; rop < gr->rop_nr; rop++) {
1517 u32 statz = nvkm_rd32(device, ROP_UNIT(rop, 0x070));
1518 u32 statc = nvkm_rd32(device, ROP_UNIT(rop, 0x144));
1519 nvkm_error(subdev, "ROP%d %08x %08x\n",
1520 rop, statz, statc);
1521 nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0xc0000000);
1522 nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0xc0000000);
1523 }
1524 nvkm_wr32(device, 0x400108, 0x02000000);
1525 trap &= ~0x02000000;
1526 }
1527
1528 if (trap) {
1529 nvkm_error(subdev, "TRAP UNHANDLED %08x\n", trap);
1530 nvkm_wr32(device, 0x400108, trap);
1531 }
1532 }
1533
1534 static void
gf100_gr_ctxctl_debug_unit(struct gf100_gr * gr,u32 base)1535 gf100_gr_ctxctl_debug_unit(struct gf100_gr *gr, u32 base)
1536 {
1537 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1538 struct nvkm_device *device = subdev->device;
1539 nvkm_error(subdev, "%06x - done %08x\n", base,
1540 nvkm_rd32(device, base + 0x400));
1541 nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1542 nvkm_rd32(device, base + 0x800),
1543 nvkm_rd32(device, base + 0x804),
1544 nvkm_rd32(device, base + 0x808),
1545 nvkm_rd32(device, base + 0x80c));
1546 nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1547 nvkm_rd32(device, base + 0x810),
1548 nvkm_rd32(device, base + 0x814),
1549 nvkm_rd32(device, base + 0x818),
1550 nvkm_rd32(device, base + 0x81c));
1551 }
1552
1553 void
gf100_gr_ctxctl_debug(struct gf100_gr * gr)1554 gf100_gr_ctxctl_debug(struct gf100_gr *gr)
1555 {
1556 struct nvkm_device *device = gr->base.engine.subdev.device;
1557 u32 gpcnr = nvkm_rd32(device, 0x409604) & 0xffff;
1558 u32 gpc;
1559
1560 gf100_gr_ctxctl_debug_unit(gr, 0x409000);
1561 for (gpc = 0; gpc < gpcnr; gpc++)
1562 gf100_gr_ctxctl_debug_unit(gr, 0x502000 + (gpc * 0x8000));
1563 }
1564
1565 static void
gf100_gr_ctxctl_isr(struct gf100_gr * gr)1566 gf100_gr_ctxctl_isr(struct gf100_gr *gr)
1567 {
1568 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1569 struct nvkm_device *device = subdev->device;
1570 u32 stat = nvkm_rd32(device, 0x409c18);
1571
1572 if (!gr->firmware && (stat & 0x00000001)) {
1573 u32 code = nvkm_rd32(device, 0x409814);
1574 if (code == E_BAD_FWMTHD) {
1575 u32 class = nvkm_rd32(device, 0x409808);
1576 u32 addr = nvkm_rd32(device, 0x40980c);
1577 u32 subc = (addr & 0x00070000) >> 16;
1578 u32 mthd = (addr & 0x00003ffc);
1579 u32 data = nvkm_rd32(device, 0x409810);
1580
1581 nvkm_error(subdev, "FECS MTHD subc %d class %04x "
1582 "mthd %04x data %08x\n",
1583 subc, class, mthd, data);
1584 } else {
1585 nvkm_error(subdev, "FECS ucode error %d\n", code);
1586 }
1587 nvkm_wr32(device, 0x409c20, 0x00000001);
1588 stat &= ~0x00000001;
1589 }
1590
1591 if (!gr->firmware && (stat & 0x00080000)) {
1592 nvkm_error(subdev, "FECS watchdog timeout\n");
1593 gf100_gr_ctxctl_debug(gr);
1594 nvkm_wr32(device, 0x409c20, 0x00080000);
1595 stat &= ~0x00080000;
1596 }
1597
1598 if (stat) {
1599 nvkm_error(subdev, "FECS %08x\n", stat);
1600 gf100_gr_ctxctl_debug(gr);
1601 nvkm_wr32(device, 0x409c20, stat);
1602 }
1603 }
1604
1605 static irqreturn_t
gf100_gr_intr(struct nvkm_inth * inth)1606 gf100_gr_intr(struct nvkm_inth *inth)
1607 {
1608 struct gf100_gr *gr = container_of(inth, typeof(*gr), base.engine.subdev.inth);
1609 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1610 struct nvkm_device *device = subdev->device;
1611 struct nvkm_chan *chan;
1612 unsigned long flags;
1613 u64 inst = nvkm_rd32(device, 0x409b00) & 0x0fffffff;
1614 u32 stat = nvkm_rd32(device, 0x400100);
1615 u32 addr = nvkm_rd32(device, 0x400704);
1616 u32 mthd = (addr & 0x00003ffc);
1617 u32 subc = (addr & 0x00070000) >> 16;
1618 u32 data = nvkm_rd32(device, 0x400708);
1619 u32 code = nvkm_rd32(device, 0x400110);
1620 u32 class;
1621 const char *name = "unknown";
1622 int chid = -1;
1623
1624 chan = nvkm_chan_get_inst(&gr->base.engine, (u64)inst << 12, &flags);
1625 if (chan) {
1626 name = chan->name;
1627 chid = chan->id;
1628 }
1629
1630 if (device->card_type < NV_E0 || subc < 4)
1631 class = nvkm_rd32(device, 0x404200 + (subc * 4));
1632 else
1633 class = 0x0000;
1634
1635 if (stat & 0x00000001) {
1636 /*
1637 * notifier interrupt, only needed for cyclestats
1638 * can be safely ignored
1639 */
1640 nvkm_wr32(device, 0x400100, 0x00000001);
1641 stat &= ~0x00000001;
1642 }
1643
1644 if (stat & 0x00000010) {
1645 if (!gf100_gr_mthd_sw(device, class, mthd, data)) {
1646 nvkm_error(subdev, "ILLEGAL_MTHD ch %d [%010llx %s] "
1647 "subc %d class %04x mthd %04x data %08x\n",
1648 chid, inst << 12, name, subc,
1649 class, mthd, data);
1650 }
1651 nvkm_wr32(device, 0x400100, 0x00000010);
1652 stat &= ~0x00000010;
1653 }
1654
1655 if (stat & 0x00000020) {
1656 nvkm_error(subdev, "ILLEGAL_CLASS ch %d [%010llx %s] "
1657 "subc %d class %04x mthd %04x data %08x\n",
1658 chid, inst << 12, name, subc, class, mthd, data);
1659 nvkm_wr32(device, 0x400100, 0x00000020);
1660 stat &= ~0x00000020;
1661 }
1662
1663 if (stat & 0x00100000) {
1664 const struct nvkm_enum *en =
1665 nvkm_enum_find(nv50_data_error_names, code);
1666 nvkm_error(subdev, "DATA_ERROR %08x [%s] ch %d [%010llx %s] "
1667 "subc %d class %04x mthd %04x data %08x\n",
1668 code, en ? en->name : "", chid, inst << 12,
1669 name, subc, class, mthd, data);
1670 nvkm_wr32(device, 0x400100, 0x00100000);
1671 stat &= ~0x00100000;
1672 }
1673
1674 if (stat & 0x00200000) {
1675 nvkm_error(subdev, "TRAP ch %d [%010llx %s]\n",
1676 chid, inst << 12, name);
1677 gf100_gr_trap_intr(gr);
1678 nvkm_wr32(device, 0x400100, 0x00200000);
1679 stat &= ~0x00200000;
1680 }
1681
1682 if (stat & 0x00080000) {
1683 gf100_gr_ctxctl_isr(gr);
1684 nvkm_wr32(device, 0x400100, 0x00080000);
1685 stat &= ~0x00080000;
1686 }
1687
1688 if (stat) {
1689 nvkm_error(subdev, "intr %08x\n", stat);
1690 nvkm_wr32(device, 0x400100, stat);
1691 }
1692
1693 nvkm_wr32(device, 0x400500, 0x00010001);
1694 nvkm_chan_put(&chan, flags);
1695 return IRQ_HANDLED;
1696 }
1697
1698 static void
gf100_gr_init_fw(struct nvkm_falcon * falcon,struct nvkm_blob * code,struct nvkm_blob * data)1699 gf100_gr_init_fw(struct nvkm_falcon *falcon,
1700 struct nvkm_blob *code, struct nvkm_blob *data)
1701 {
1702 nvkm_falcon_load_dmem(falcon, data->data, 0x0, data->size, 0);
1703 nvkm_falcon_load_imem(falcon, code->data, 0x0, code->size, 0, 0, false);
1704 }
1705
1706 static void
gf100_gr_init_csdata(struct gf100_gr * gr,const struct gf100_gr_pack * pack,u32 falcon,u32 starstar,u32 base)1707 gf100_gr_init_csdata(struct gf100_gr *gr,
1708 const struct gf100_gr_pack *pack,
1709 u32 falcon, u32 starstar, u32 base)
1710 {
1711 struct nvkm_device *device = gr->base.engine.subdev.device;
1712 const struct gf100_gr_pack *iter;
1713 const struct gf100_gr_init *init;
1714 u32 addr = ~0, prev = ~0, xfer = 0;
1715 u32 star, temp;
1716
1717 nvkm_wr32(device, falcon + 0x01c0, 0x02000000 + starstar);
1718 star = nvkm_rd32(device, falcon + 0x01c4);
1719 temp = nvkm_rd32(device, falcon + 0x01c4);
1720 if (temp > star)
1721 star = temp;
1722 nvkm_wr32(device, falcon + 0x01c0, 0x01000000 + star);
1723
1724 pack_for_each_init(init, iter, pack) {
1725 u32 head = init->addr - base;
1726 u32 tail = head + init->count * init->pitch;
1727 while (head < tail) {
1728 if (head != prev + 4 || xfer >= 32) {
1729 if (xfer) {
1730 u32 data = ((--xfer << 26) | addr);
1731 nvkm_wr32(device, falcon + 0x01c4, data);
1732 star += 4;
1733 }
1734 addr = head;
1735 xfer = 0;
1736 }
1737 prev = head;
1738 xfer = xfer + 1;
1739 head = head + init->pitch;
1740 }
1741 }
1742
1743 nvkm_wr32(device, falcon + 0x01c4, (--xfer << 26) | addr);
1744 nvkm_wr32(device, falcon + 0x01c0, 0x01000004 + starstar);
1745 nvkm_wr32(device, falcon + 0x01c4, star + 4);
1746 }
1747
1748 /* Initialize context from an external (secure or not) firmware */
1749 static int
gf100_gr_init_ctxctl_ext(struct gf100_gr * gr)1750 gf100_gr_init_ctxctl_ext(struct gf100_gr *gr)
1751 {
1752 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1753 struct nvkm_device *device = subdev->device;
1754 u32 lsf_mask = 0;
1755 int ret;
1756
1757 /* load fuc microcode */
1758 nvkm_mc_unk260(device, 0);
1759
1760 /* securely-managed falcons must be reset using secure boot */
1761
1762 if (!nvkm_acr_managed_falcon(device, NVKM_ACR_LSF_FECS)) {
1763 gf100_gr_init_fw(&gr->fecs.falcon, &gr->fecs.inst,
1764 &gr->fecs.data);
1765 } else {
1766 lsf_mask |= BIT(NVKM_ACR_LSF_FECS);
1767 }
1768
1769 if (!nvkm_acr_managed_falcon(device, NVKM_ACR_LSF_GPCCS)) {
1770 gf100_gr_init_fw(&gr->gpccs.falcon, &gr->gpccs.inst,
1771 &gr->gpccs.data);
1772 } else {
1773 lsf_mask |= BIT(NVKM_ACR_LSF_GPCCS);
1774 }
1775
1776 if (lsf_mask) {
1777 ret = nvkm_acr_bootstrap_falcons(device, lsf_mask);
1778 if (ret)
1779 return ret;
1780 }
1781
1782 nvkm_mc_unk260(device, 1);
1783
1784 /* start both of them running */
1785 nvkm_wr32(device, 0x409800, 0x00000000);
1786 nvkm_wr32(device, 0x41a10c, 0x00000000);
1787 nvkm_wr32(device, 0x40910c, 0x00000000);
1788
1789 nvkm_falcon_start(&gr->gpccs.falcon);
1790 nvkm_falcon_start(&gr->fecs.falcon);
1791
1792 if (nvkm_msec(device, 2000,
1793 if (nvkm_rd32(device, 0x409800) & 0x00000001)
1794 break;
1795 ) < 0)
1796 return -EBUSY;
1797
1798 gf100_gr_fecs_set_watchdog_timeout(gr, 0x7fffffff);
1799
1800 /* Determine how much memory is required to store main context image. */
1801 ret = gf100_gr_fecs_discover_image_size(gr, &gr->size);
1802 if (ret)
1803 return ret;
1804
1805 /* Determine how much memory is required to store ZCULL image. */
1806 ret = gf100_gr_fecs_discover_zcull_image_size(gr, &gr->size_zcull);
1807 if (ret)
1808 return ret;
1809
1810 /* Determine how much memory is required to store PerfMon image. */
1811 ret = gf100_gr_fecs_discover_pm_image_size(gr, &gr->size_pm);
1812 if (ret)
1813 return ret;
1814
1815 /*XXX: We (likely) require PMU support to even bother with this.
1816 *
1817 * Also, it seems like not all GPUs support ELPG. Traces I
1818 * have here show RM enabling it on Kepler/Turing, but none
1819 * of the GPUs between those. NVGPU decides this by PCIID.
1820 */
1821 if (0) {
1822 ret = gf100_gr_fecs_elpg_bind(gr);
1823 if (ret)
1824 return ret;
1825 }
1826
1827 return 0;
1828 }
1829
1830 static int
gf100_gr_init_ctxctl_int(struct gf100_gr * gr)1831 gf100_gr_init_ctxctl_int(struct gf100_gr *gr)
1832 {
1833 const struct gf100_grctx_func *grctx = gr->func->grctx;
1834 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1835 struct nvkm_device *device = subdev->device;
1836
1837 if (!gr->func->fecs.ucode) {
1838 return -ENOSYS;
1839 }
1840
1841 /* load HUB microcode */
1842 nvkm_mc_unk260(device, 0);
1843 nvkm_falcon_load_dmem(&gr->fecs.falcon,
1844 gr->func->fecs.ucode->data.data, 0x0,
1845 gr->func->fecs.ucode->data.size, 0);
1846 nvkm_falcon_load_imem(&gr->fecs.falcon,
1847 gr->func->fecs.ucode->code.data, 0x0,
1848 gr->func->fecs.ucode->code.size, 0, 0, false);
1849
1850 /* load GPC microcode */
1851 nvkm_falcon_load_dmem(&gr->gpccs.falcon,
1852 gr->func->gpccs.ucode->data.data, 0x0,
1853 gr->func->gpccs.ucode->data.size, 0);
1854 nvkm_falcon_load_imem(&gr->gpccs.falcon,
1855 gr->func->gpccs.ucode->code.data, 0x0,
1856 gr->func->gpccs.ucode->code.size, 0, 0, false);
1857 nvkm_mc_unk260(device, 1);
1858
1859 /* load register lists */
1860 gf100_gr_init_csdata(gr, grctx->hub, 0x409000, 0x000, 0x000000);
1861 gf100_gr_init_csdata(gr, grctx->gpc_0, 0x41a000, 0x000, 0x418000);
1862 gf100_gr_init_csdata(gr, grctx->gpc_1, 0x41a000, 0x000, 0x418000);
1863 gf100_gr_init_csdata(gr, grctx->tpc, 0x41a000, 0x004, 0x419800);
1864 gf100_gr_init_csdata(gr, grctx->ppc, 0x41a000, 0x008, 0x41be00);
1865
1866 /* start HUB ucode running, it'll init the GPCs */
1867 nvkm_wr32(device, 0x40910c, 0x00000000);
1868 nvkm_wr32(device, 0x409100, 0x00000002);
1869 if (nvkm_msec(device, 2000,
1870 if (nvkm_rd32(device, 0x409800) & 0x80000000)
1871 break;
1872 ) < 0) {
1873 gf100_gr_ctxctl_debug(gr);
1874 return -EBUSY;
1875 }
1876
1877 gr->size = nvkm_rd32(device, 0x409804);
1878 return 0;
1879 }
1880
1881 int
gf100_gr_init_ctxctl(struct gf100_gr * gr)1882 gf100_gr_init_ctxctl(struct gf100_gr *gr)
1883 {
1884 int ret;
1885
1886 if (gr->firmware)
1887 ret = gf100_gr_init_ctxctl_ext(gr);
1888 else
1889 ret = gf100_gr_init_ctxctl_int(gr);
1890
1891 return ret;
1892 }
1893
1894 int
gf100_gr_oneinit_sm_id(struct gf100_gr * gr)1895 gf100_gr_oneinit_sm_id(struct gf100_gr *gr)
1896 {
1897 int tpc, gpc;
1898
1899 for (tpc = 0; tpc < gr->tpc_max; tpc++) {
1900 for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
1901 if (tpc < gr->tpc_nr[gpc]) {
1902 gr->sm[gr->sm_nr].gpc = gpc;
1903 gr->sm[gr->sm_nr].tpc = tpc;
1904 gr->sm_nr++;
1905 }
1906 }
1907 }
1908
1909 return 0;
1910 }
1911
1912 void
gf100_gr_oneinit_tiles(struct gf100_gr * gr)1913 gf100_gr_oneinit_tiles(struct gf100_gr *gr)
1914 {
1915 static const u8 primes[] = {
1916 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61
1917 };
1918 int init_frac[GPC_MAX], init_err[GPC_MAX], run_err[GPC_MAX], i, j;
1919 u32 mul_factor, comm_denom;
1920 u8 gpc_map[GPC_MAX];
1921 bool sorted;
1922
1923 switch (gr->tpc_total) {
1924 case 15: gr->screen_tile_row_offset = 0x06; break;
1925 case 14: gr->screen_tile_row_offset = 0x05; break;
1926 case 13: gr->screen_tile_row_offset = 0x02; break;
1927 case 11: gr->screen_tile_row_offset = 0x07; break;
1928 case 10: gr->screen_tile_row_offset = 0x06; break;
1929 case 7:
1930 case 5: gr->screen_tile_row_offset = 0x01; break;
1931 case 3: gr->screen_tile_row_offset = 0x02; break;
1932 case 2:
1933 case 1: gr->screen_tile_row_offset = 0x01; break;
1934 default: gr->screen_tile_row_offset = 0x03;
1935 for (i = 0; i < ARRAY_SIZE(primes); i++) {
1936 if (gr->tpc_total % primes[i]) {
1937 gr->screen_tile_row_offset = primes[i];
1938 break;
1939 }
1940 }
1941 break;
1942 }
1943
1944 /* Sort GPCs by TPC count, highest-to-lowest. */
1945 for (i = 0; i < gr->gpc_nr; i++)
1946 gpc_map[i] = i;
1947 sorted = false;
1948
1949 while (!sorted) {
1950 for (sorted = true, i = 0; i < gr->gpc_nr - 1; i++) {
1951 if (gr->tpc_nr[gpc_map[i + 1]] >
1952 gr->tpc_nr[gpc_map[i + 0]]) {
1953 u8 swap = gpc_map[i];
1954 gpc_map[i + 0] = gpc_map[i + 1];
1955 gpc_map[i + 1] = swap;
1956 sorted = false;
1957 }
1958 }
1959 }
1960
1961 /* Determine tile->GPC mapping */
1962 mul_factor = gr->gpc_nr * gr->tpc_max;
1963 if (mul_factor & 1)
1964 mul_factor = 2;
1965 else
1966 mul_factor = 1;
1967
1968 comm_denom = gr->gpc_nr * gr->tpc_max * mul_factor;
1969
1970 for (i = 0; i < gr->gpc_nr; i++) {
1971 init_frac[i] = gr->tpc_nr[gpc_map[i]] * gr->gpc_nr * mul_factor;
1972 init_err[i] = i * gr->tpc_max * mul_factor - comm_denom/2;
1973 run_err[i] = init_frac[i] + init_err[i];
1974 }
1975
1976 for (i = 0; i < gr->tpc_total;) {
1977 for (j = 0; j < gr->gpc_nr; j++) {
1978 if ((run_err[j] * 2) >= comm_denom) {
1979 gr->tile[i++] = gpc_map[j];
1980 run_err[j] += init_frac[j] - comm_denom;
1981 } else {
1982 run_err[j] += init_frac[j];
1983 }
1984 }
1985 }
1986 }
1987
1988 static int
gf100_gr_oneinit(struct nvkm_gr * base)1989 gf100_gr_oneinit(struct nvkm_gr *base)
1990 {
1991 struct gf100_gr *gr = gf100_gr(base);
1992 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1993 struct nvkm_device *device = subdev->device;
1994 struct nvkm_intr *intr = &device->mc->intr;
1995 enum nvkm_intr_type intr_type = NVKM_INTR_SUBDEV;
1996 int ret, i, j;
1997
1998 if (gr->func->oneinit_intr)
1999 intr = gr->func->oneinit_intr(gr, &intr_type);
2000
2001 ret = nvkm_inth_add(intr, intr_type, NVKM_INTR_PRIO_NORMAL, &gr->base.engine.subdev,
2002 gf100_gr_intr, &gr->base.engine.subdev.inth);
2003 if (ret)
2004 return ret;
2005
2006 nvkm_pmu_pgob(device->pmu, false);
2007
2008 gr->rop_nr = gr->func->rops(gr);
2009 gr->gpc_nr = nvkm_rd32(device, 0x409604) & 0x0000001f;
2010 for (i = 0; i < gr->gpc_nr; i++) {
2011 gr->tpc_nr[i] = nvkm_rd32(device, GPC_UNIT(i, 0x2608));
2012 gr->tpc_max = max(gr->tpc_max, gr->tpc_nr[i]);
2013 gr->tpc_total += gr->tpc_nr[i];
2014 for (j = 0; j < gr->func->ppc_nr; j++) {
2015 gr->ppc_tpc_mask[i][j] =
2016 nvkm_rd32(device, GPC_UNIT(i, 0x0c30 + (j * 4)));
2017 if (gr->ppc_tpc_mask[i][j] == 0)
2018 continue;
2019
2020 gr->ppc_nr[i]++;
2021
2022 gr->ppc_mask[i] |= (1 << j);
2023 gr->ppc_tpc_nr[i][j] = hweight8(gr->ppc_tpc_mask[i][j]);
2024 if (gr->ppc_tpc_min == 0 ||
2025 gr->ppc_tpc_min > gr->ppc_tpc_nr[i][j])
2026 gr->ppc_tpc_min = gr->ppc_tpc_nr[i][j];
2027 if (gr->ppc_tpc_max < gr->ppc_tpc_nr[i][j])
2028 gr->ppc_tpc_max = gr->ppc_tpc_nr[i][j];
2029 }
2030
2031 gr->ppc_total += gr->ppc_nr[i];
2032 }
2033
2034 /* Allocate global context buffers. */
2035 ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST,
2036 gr->func->grctx->pagepool_size, 0x100, false, &gr->pagepool);
2037 if (ret)
2038 return ret;
2039
2040 ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST, gr->func->grctx->bundle_size,
2041 0x100, false, &gr->bundle_cb);
2042 if (ret)
2043 return ret;
2044
2045 ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST,
2046 gr->func->grctx->attrib_cb_size(gr), 0x1000, false, &gr->attrib_cb);
2047 if (ret)
2048 return ret;
2049
2050 if (gr->func->grctx->unknown_size) {
2051 ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, gr->func->grctx->unknown_size,
2052 0x100, false, &gr->unknown);
2053 if (ret)
2054 return ret;
2055 }
2056
2057 memset(gr->tile, 0xff, sizeof(gr->tile));
2058 gr->func->oneinit_tiles(gr);
2059
2060 return gr->func->oneinit_sm_id(gr);
2061 }
2062
2063 static int
gf100_gr_init_(struct nvkm_gr * base)2064 gf100_gr_init_(struct nvkm_gr *base)
2065 {
2066 struct gf100_gr *gr = gf100_gr(base);
2067 struct nvkm_subdev *subdev = &base->engine.subdev;
2068 struct nvkm_device *device = subdev->device;
2069 bool reset = device->chipset == 0x137 || device->chipset == 0x138;
2070 int ret;
2071
2072 /* On certain GP107/GP108 boards, we trigger a weird issue where
2073 * GR will stop responding to PRI accesses after we've asked the
2074 * SEC2 RTOS to boot the GR falcons. This happens with far more
2075 * frequency when cold-booting a board (ie. returning from D3).
2076 *
2077 * The root cause for this is not known and has proven difficult
2078 * to isolate, with many avenues being dead-ends.
2079 *
2080 * A workaround was discovered by Karol, whereby putting GR into
2081 * reset for an extended period right before initialisation
2082 * prevents the problem from occuring.
2083 *
2084 * XXX: As RM does not require any such workaround, this is more
2085 * of a hack than a true fix.
2086 */
2087 reset = nvkm_boolopt(device->cfgopt, "NvGrResetWar", reset);
2088 if (reset) {
2089 nvkm_mask(device, 0x000200, 0x00001000, 0x00000000);
2090 nvkm_rd32(device, 0x000200);
2091 msleep(50);
2092 nvkm_mask(device, 0x000200, 0x00001000, 0x00001000);
2093 nvkm_rd32(device, 0x000200);
2094 }
2095
2096 nvkm_pmu_pgob(gr->base.engine.subdev.device->pmu, false);
2097
2098 ret = nvkm_falcon_get(&gr->fecs.falcon, subdev);
2099 if (ret)
2100 return ret;
2101
2102 ret = nvkm_falcon_get(&gr->gpccs.falcon, subdev);
2103 if (ret)
2104 return ret;
2105
2106 ret = gr->func->init(gr);
2107 if (ret)
2108 return ret;
2109
2110 nvkm_inth_allow(&subdev->inth);
2111 return 0;
2112 }
2113
2114 static int
gf100_gr_fini(struct nvkm_gr * base,bool suspend)2115 gf100_gr_fini(struct nvkm_gr *base, bool suspend)
2116 {
2117 struct gf100_gr *gr = gf100_gr(base);
2118 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
2119
2120 nvkm_inth_block(&subdev->inth);
2121
2122 nvkm_falcon_put(&gr->gpccs.falcon, subdev);
2123 nvkm_falcon_put(&gr->fecs.falcon, subdev);
2124 return 0;
2125 }
2126
2127 static void *
gf100_gr_dtor(struct nvkm_gr * base)2128 gf100_gr_dtor(struct nvkm_gr *base)
2129 {
2130 struct gf100_gr *gr = gf100_gr(base);
2131
2132 kfree(gr->data);
2133
2134 nvkm_memory_unref(&gr->unknown);
2135 nvkm_memory_unref(&gr->attrib_cb);
2136 nvkm_memory_unref(&gr->bundle_cb);
2137 nvkm_memory_unref(&gr->pagepool);
2138
2139 nvkm_falcon_dtor(&gr->gpccs.falcon);
2140 nvkm_falcon_dtor(&gr->fecs.falcon);
2141
2142 nvkm_blob_dtor(&gr->fecs.inst);
2143 nvkm_blob_dtor(&gr->fecs.data);
2144 nvkm_blob_dtor(&gr->gpccs.inst);
2145 nvkm_blob_dtor(&gr->gpccs.data);
2146
2147 vfree(gr->bundle64);
2148 vfree(gr->bundle_veid);
2149 vfree(gr->bundle);
2150 vfree(gr->method);
2151 vfree(gr->sw_ctx);
2152 vfree(gr->sw_nonctx);
2153 vfree(gr->sw_nonctx1);
2154 vfree(gr->sw_nonctx2);
2155 vfree(gr->sw_nonctx3);
2156 vfree(gr->sw_nonctx4);
2157
2158 return gr;
2159 }
2160
2161 static const struct nvkm_falcon_func
2162 gf100_gr_flcn = {
2163 .load_imem = nvkm_falcon_v1_load_imem,
2164 .load_dmem = nvkm_falcon_v1_load_dmem,
2165 .start = nvkm_falcon_v1_start,
2166 };
2167
2168 void
gf100_gr_init_num_tpc_per_gpc(struct gf100_gr * gr,bool pd,bool ds)2169 gf100_gr_init_num_tpc_per_gpc(struct gf100_gr *gr, bool pd, bool ds)
2170 {
2171 struct nvkm_device *device = gr->base.engine.subdev.device;
2172 int gpc, i, j;
2173 u32 data;
2174
2175 for (gpc = 0, i = 0; i < 4; i++) {
2176 for (data = 0, j = 0; j < 8 && gpc < gr->gpc_nr; j++, gpc++)
2177 data |= gr->tpc_nr[gpc] << (j * 4);
2178 if (pd)
2179 nvkm_wr32(device, 0x406028 + (i * 4), data);
2180 if (ds)
2181 nvkm_wr32(device, 0x405870 + (i * 4), data);
2182 }
2183 }
2184
2185 void
gf100_gr_init_400054(struct gf100_gr * gr)2186 gf100_gr_init_400054(struct gf100_gr *gr)
2187 {
2188 nvkm_wr32(gr->base.engine.subdev.device, 0x400054, 0x34ce3464);
2189 }
2190
2191 void
gf100_gr_init_exception2(struct gf100_gr * gr)2192 gf100_gr_init_exception2(struct gf100_gr *gr)
2193 {
2194 struct nvkm_device *device = gr->base.engine.subdev.device;
2195
2196 nvkm_wr32(device, 0x40011c, 0xffffffff);
2197 nvkm_wr32(device, 0x400134, 0xffffffff);
2198 }
2199
2200 void
gf100_gr_init_rop_exceptions(struct gf100_gr * gr)2201 gf100_gr_init_rop_exceptions(struct gf100_gr *gr)
2202 {
2203 struct nvkm_device *device = gr->base.engine.subdev.device;
2204 int rop;
2205
2206 for (rop = 0; rop < gr->rop_nr; rop++) {
2207 nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0x40000000);
2208 nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0x40000000);
2209 nvkm_wr32(device, ROP_UNIT(rop, 0x204), 0xffffffff);
2210 nvkm_wr32(device, ROP_UNIT(rop, 0x208), 0xffffffff);
2211 }
2212 }
2213
2214 void
gf100_gr_init_shader_exceptions(struct gf100_gr * gr,int gpc,int tpc)2215 gf100_gr_init_shader_exceptions(struct gf100_gr *gr, int gpc, int tpc)
2216 {
2217 struct nvkm_device *device = gr->base.engine.subdev.device;
2218 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
2219 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
2220 }
2221
2222 void
gf100_gr_init_tex_hww_esr(struct gf100_gr * gr,int gpc,int tpc)2223 gf100_gr_init_tex_hww_esr(struct gf100_gr *gr, int gpc, int tpc)
2224 {
2225 struct nvkm_device *device = gr->base.engine.subdev.device;
2226 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
2227 }
2228
2229 void
gf100_gr_init_419eb4(struct gf100_gr * gr)2230 gf100_gr_init_419eb4(struct gf100_gr *gr)
2231 {
2232 struct nvkm_device *device = gr->base.engine.subdev.device;
2233 nvkm_mask(device, 0x419eb4, 0x00001000, 0x00001000);
2234 }
2235
2236 void
gf100_gr_init_419cc0(struct gf100_gr * gr)2237 gf100_gr_init_419cc0(struct gf100_gr *gr)
2238 {
2239 struct nvkm_device *device = gr->base.engine.subdev.device;
2240 int gpc, tpc;
2241
2242 nvkm_mask(device, 0x419cc0, 0x00000008, 0x00000008);
2243
2244 for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
2245 for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++)
2246 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
2247 }
2248 }
2249
2250 void
gf100_gr_init_40601c(struct gf100_gr * gr)2251 gf100_gr_init_40601c(struct gf100_gr *gr)
2252 {
2253 nvkm_wr32(gr->base.engine.subdev.device, 0x40601c, 0xc0000000);
2254 }
2255
2256 void
gf100_gr_init_fecs_exceptions(struct gf100_gr * gr)2257 gf100_gr_init_fecs_exceptions(struct gf100_gr *gr)
2258 {
2259 const u32 data = gr->firmware ? 0x000e0000 : 0x000e0001;
2260 nvkm_wr32(gr->base.engine.subdev.device, 0x409c24, data);
2261 }
2262
2263 void
gf100_gr_init_gpc_mmu(struct gf100_gr * gr)2264 gf100_gr_init_gpc_mmu(struct gf100_gr *gr)
2265 {
2266 struct nvkm_device *device = gr->base.engine.subdev.device;
2267 struct nvkm_fb *fb = device->fb;
2268
2269 nvkm_wr32(device, 0x418880, nvkm_rd32(device, 0x100c80) & 0x00000001);
2270 nvkm_wr32(device, 0x4188a4, 0x03000000);
2271 nvkm_wr32(device, 0x418888, 0x00000000);
2272 nvkm_wr32(device, 0x41888c, 0x00000000);
2273 nvkm_wr32(device, 0x418890, 0x00000000);
2274 nvkm_wr32(device, 0x418894, 0x00000000);
2275 nvkm_wr32(device, 0x4188b4, nvkm_memory_addr(fb->mmu_wr) >> 8);
2276 nvkm_wr32(device, 0x4188b8, nvkm_memory_addr(fb->mmu_rd) >> 8);
2277 }
2278
2279 void
gf100_gr_init_num_active_ltcs(struct gf100_gr * gr)2280 gf100_gr_init_num_active_ltcs(struct gf100_gr *gr)
2281 {
2282 struct nvkm_device *device = gr->base.engine.subdev.device;
2283 nvkm_wr32(device, GPC_BCAST(0x08ac), nvkm_rd32(device, 0x100800));
2284 }
2285
2286 void
gf100_gr_init_zcull(struct gf100_gr * gr)2287 gf100_gr_init_zcull(struct gf100_gr *gr)
2288 {
2289 struct nvkm_device *device = gr->base.engine.subdev.device;
2290 const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, gr->tpc_total);
2291 const u8 tile_nr = ALIGN(gr->tpc_total, 32);
2292 u8 bank[GPC_MAX] = {}, gpc, i, j;
2293 u32 data;
2294
2295 for (i = 0; i < tile_nr; i += 8) {
2296 for (data = 0, j = 0; j < 8 && i + j < gr->tpc_total; j++) {
2297 data |= bank[gr->tile[i + j]] << (j * 4);
2298 bank[gr->tile[i + j]]++;
2299 }
2300 nvkm_wr32(device, GPC_BCAST(0x0980 + ((i / 8) * 4)), data);
2301 }
2302
2303 for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
2304 nvkm_wr32(device, GPC_UNIT(gpc, 0x0914),
2305 gr->screen_tile_row_offset << 8 | gr->tpc_nr[gpc]);
2306 nvkm_wr32(device, GPC_UNIT(gpc, 0x0910), 0x00040000 |
2307 gr->tpc_total);
2308 nvkm_wr32(device, GPC_UNIT(gpc, 0x0918), magicgpc918);
2309 }
2310
2311 nvkm_wr32(device, GPC_BCAST(0x1bd4), magicgpc918);
2312 }
2313
2314 void
gf100_gr_init_vsc_stream_master(struct gf100_gr * gr)2315 gf100_gr_init_vsc_stream_master(struct gf100_gr *gr)
2316 {
2317 struct nvkm_device *device = gr->base.engine.subdev.device;
2318 nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001);
2319 }
2320
2321 static int
gf100_gr_reset(struct nvkm_gr * base)2322 gf100_gr_reset(struct nvkm_gr *base)
2323 {
2324 struct nvkm_subdev *subdev = &base->engine.subdev;
2325 struct nvkm_device *device = subdev->device;
2326 struct gf100_gr *gr = gf100_gr(base);
2327
2328 nvkm_mask(device, 0x400500, 0x00000001, 0x00000000);
2329
2330 WARN_ON(gf100_gr_fecs_halt_pipeline(gr));
2331
2332 subdev->func->fini(subdev, false);
2333 nvkm_mc_disable(device, subdev->type, subdev->inst);
2334 if (gr->func->gpccs.reset)
2335 gr->func->gpccs.reset(gr);
2336
2337 nvkm_mc_enable(device, subdev->type, subdev->inst);
2338 return subdev->func->init(subdev);
2339 }
2340
2341 int
gf100_gr_init(struct gf100_gr * gr)2342 gf100_gr_init(struct gf100_gr *gr)
2343 {
2344 struct nvkm_device *device = gr->base.engine.subdev.device;
2345 int gpc, tpc;
2346
2347 nvkm_mask(device, 0x400500, 0x00010001, 0x00000000);
2348
2349 gr->func->init_gpc_mmu(gr);
2350
2351 if (gr->sw_nonctx1) {
2352 gf100_gr_mmio(gr, gr->sw_nonctx1);
2353 gf100_gr_mmio(gr, gr->sw_nonctx2);
2354 gf100_gr_mmio(gr, gr->sw_nonctx3);
2355 gf100_gr_mmio(gr, gr->sw_nonctx4);
2356 } else
2357 if (gr->sw_nonctx) {
2358 gf100_gr_mmio(gr, gr->sw_nonctx);
2359 } else {
2360 gf100_gr_mmio(gr, gr->func->mmio);
2361 }
2362
2363 gf100_gr_wait_idle(gr);
2364
2365 if (gr->func->init_r405a14)
2366 gr->func->init_r405a14(gr);
2367
2368 if (gr->func->clkgate_pack)
2369 nvkm_therm_clkgate_init(device->therm, gr->func->clkgate_pack);
2370
2371 if (gr->func->init_bios)
2372 gr->func->init_bios(gr);
2373
2374 gr->func->init_vsc_stream_master(gr);
2375 gr->func->init_zcull(gr);
2376 gr->func->init_num_active_ltcs(gr);
2377 if (gr->func->init_rop_active_fbps)
2378 gr->func->init_rop_active_fbps(gr);
2379 if (gr->func->init_bios_2)
2380 gr->func->init_bios_2(gr);
2381 if (gr->func->init_swdx_pes_mask)
2382 gr->func->init_swdx_pes_mask(gr);
2383 if (gr->func->init_fs)
2384 gr->func->init_fs(gr);
2385
2386 nvkm_wr32(device, 0x400500, 0x00010001);
2387
2388 nvkm_wr32(device, 0x400100, 0xffffffff);
2389 nvkm_wr32(device, 0x40013c, 0xffffffff);
2390 nvkm_wr32(device, 0x400124, 0x00000002);
2391
2392 gr->func->init_fecs_exceptions(gr);
2393
2394 if (gr->func->init_40a790)
2395 gr->func->init_40a790(gr);
2396
2397 if (gr->func->init_ds_hww_esr_2)
2398 gr->func->init_ds_hww_esr_2(gr);
2399
2400 nvkm_wr32(device, 0x404000, 0xc0000000);
2401 nvkm_wr32(device, 0x404600, 0xc0000000);
2402 nvkm_wr32(device, 0x408030, 0xc0000000);
2403
2404 if (gr->func->init_40601c)
2405 gr->func->init_40601c(gr);
2406
2407 nvkm_wr32(device, 0x406018, 0xc0000000);
2408 nvkm_wr32(device, 0x404490, 0xc0000000);
2409
2410 if (gr->func->init_sked_hww_esr)
2411 gr->func->init_sked_hww_esr(gr);
2412
2413 nvkm_wr32(device, 0x405840, 0xc0000000);
2414 nvkm_wr32(device, 0x405844, 0x00ffffff);
2415
2416 if (gr->func->init_419cc0)
2417 gr->func->init_419cc0(gr);
2418 if (gr->func->init_419eb4)
2419 gr->func->init_419eb4(gr);
2420 if (gr->func->init_419c9c)
2421 gr->func->init_419c9c(gr);
2422
2423 if (gr->func->init_ppc_exceptions)
2424 gr->func->init_ppc_exceptions(gr);
2425
2426 for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
2427 nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
2428 nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
2429 nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
2430 nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
2431 for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
2432 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
2433 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
2434 if (gr->func->init_tex_hww_esr)
2435 gr->func->init_tex_hww_esr(gr, gpc, tpc);
2436 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
2437 if (gr->func->init_504430)
2438 gr->func->init_504430(gr, gpc, tpc);
2439 gr->func->init_shader_exceptions(gr, gpc, tpc);
2440 }
2441 nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
2442 nvkm_wr32(device, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
2443 }
2444
2445 gr->func->init_rop_exceptions(gr);
2446
2447 nvkm_wr32(device, 0x400108, 0xffffffff);
2448 nvkm_wr32(device, 0x400138, 0xffffffff);
2449 nvkm_wr32(device, 0x400118, 0xffffffff);
2450 nvkm_wr32(device, 0x400130, 0xffffffff);
2451 if (gr->func->init_exception2)
2452 gr->func->init_exception2(gr);
2453
2454 if (gr->func->init_400054)
2455 gr->func->init_400054(gr);
2456
2457 gf100_gr_zbc_init(gr);
2458
2459 if (gr->func->init_4188a4)
2460 gr->func->init_4188a4(gr);
2461
2462 return gf100_gr_init_ctxctl(gr);
2463 }
2464
2465 void
gf100_gr_fecs_reset(struct gf100_gr * gr)2466 gf100_gr_fecs_reset(struct gf100_gr *gr)
2467 {
2468 struct nvkm_device *device = gr->base.engine.subdev.device;
2469
2470 nvkm_wr32(device, 0x409614, 0x00000070);
2471 nvkm_usec(device, 10, NVKM_DELAY);
2472 nvkm_mask(device, 0x409614, 0x00000700, 0x00000700);
2473 nvkm_usec(device, 10, NVKM_DELAY);
2474 nvkm_rd32(device, 0x409614);
2475 }
2476
2477 #include "fuc/hubgf100.fuc3.h"
2478
2479 struct gf100_gr_ucode
2480 gf100_gr_fecs_ucode = {
2481 .code.data = gf100_grhub_code,
2482 .code.size = sizeof(gf100_grhub_code),
2483 .data.data = gf100_grhub_data,
2484 .data.size = sizeof(gf100_grhub_data),
2485 };
2486
2487 #include "fuc/gpcgf100.fuc3.h"
2488
2489 struct gf100_gr_ucode
2490 gf100_gr_gpccs_ucode = {
2491 .code.data = gf100_grgpc_code,
2492 .code.size = sizeof(gf100_grgpc_code),
2493 .data.data = gf100_grgpc_data,
2494 .data.size = sizeof(gf100_grgpc_data),
2495 };
2496
2497 static int
gf100_gr_nonstall(struct nvkm_gr * base)2498 gf100_gr_nonstall(struct nvkm_gr *base)
2499 {
2500 struct gf100_gr *gr = gf100_gr(base);
2501
2502 if (gr->func->nonstall)
2503 return gr->func->nonstall(gr);
2504
2505 return -EINVAL;
2506 }
2507
2508 static const struct nvkm_gr_func
2509 gf100_gr_ = {
2510 .dtor = gf100_gr_dtor,
2511 .oneinit = gf100_gr_oneinit,
2512 .init = gf100_gr_init_,
2513 .fini = gf100_gr_fini,
2514 .nonstall = gf100_gr_nonstall,
2515 .reset = gf100_gr_reset,
2516 .units = gf100_gr_units,
2517 .chan_new = gf100_gr_chan_new,
2518 .object_get = gf100_gr_object_get,
2519 .chsw_load = gf100_gr_chsw_load,
2520 .ctxsw.pause = gf100_gr_fecs_stop_ctxsw,
2521 .ctxsw.resume = gf100_gr_fecs_start_ctxsw,
2522 .ctxsw.inst = gf100_gr_ctxsw_inst,
2523 };
2524
2525 static const struct gf100_gr_func
2526 gf100_gr = {
2527 .oneinit_tiles = gf100_gr_oneinit_tiles,
2528 .oneinit_sm_id = gf100_gr_oneinit_sm_id,
2529 .init = gf100_gr_init,
2530 .init_gpc_mmu = gf100_gr_init_gpc_mmu,
2531 .init_vsc_stream_master = gf100_gr_init_vsc_stream_master,
2532 .init_zcull = gf100_gr_init_zcull,
2533 .init_num_active_ltcs = gf100_gr_init_num_active_ltcs,
2534 .init_fecs_exceptions = gf100_gr_init_fecs_exceptions,
2535 .init_40601c = gf100_gr_init_40601c,
2536 .init_419cc0 = gf100_gr_init_419cc0,
2537 .init_419eb4 = gf100_gr_init_419eb4,
2538 .init_tex_hww_esr = gf100_gr_init_tex_hww_esr,
2539 .init_shader_exceptions = gf100_gr_init_shader_exceptions,
2540 .init_rop_exceptions = gf100_gr_init_rop_exceptions,
2541 .init_exception2 = gf100_gr_init_exception2,
2542 .init_400054 = gf100_gr_init_400054,
2543 .trap_mp = gf100_gr_trap_mp,
2544 .mmio = gf100_gr_pack_mmio,
2545 .fecs.ucode = &gf100_gr_fecs_ucode,
2546 .fecs.reset = gf100_gr_fecs_reset,
2547 .gpccs.ucode = &gf100_gr_gpccs_ucode,
2548 .rops = gf100_gr_rops,
2549 .grctx = &gf100_grctx,
2550 .zbc = &gf100_gr_zbc,
2551 .sclass = {
2552 { -1, -1, FERMI_TWOD_A },
2553 { -1, -1, FERMI_MEMORY_TO_MEMORY_FORMAT_A },
2554 { -1, -1, FERMI_A, &gf100_fermi },
2555 { -1, -1, FERMI_COMPUTE_A },
2556 {}
2557 }
2558 };
2559
2560 int
gf100_gr_nofw(struct gf100_gr * gr,int ver,const struct gf100_gr_fwif * fwif)2561 gf100_gr_nofw(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
2562 {
2563 gr->firmware = false;
2564 return 0;
2565 }
2566
2567 static int
gf100_gr_load_fw(struct gf100_gr * gr,const char * name,struct nvkm_blob * blob)2568 gf100_gr_load_fw(struct gf100_gr *gr, const char *name,
2569 struct nvkm_blob *blob)
2570 {
2571 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
2572 struct nvkm_device *device = subdev->device;
2573 const struct firmware *fw;
2574 char f[32];
2575 int ret;
2576
2577 snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, name);
2578 ret = request_firmware(&fw, f, device->dev);
2579 if (ret) {
2580 snprintf(f, sizeof(f), "nouveau/%s", name);
2581 ret = request_firmware(&fw, f, device->dev);
2582 if (ret) {
2583 nvkm_error(subdev, "failed to load %s\n", name);
2584 return ret;
2585 }
2586 }
2587
2588 blob->size = fw->size;
2589 blob->data = kmemdup(fw->data, blob->size, GFP_KERNEL);
2590 release_firmware(fw);
2591 return (blob->data != NULL) ? 0 : -ENOMEM;
2592 }
2593
2594 int
gf100_gr_load(struct gf100_gr * gr,int ver,const struct gf100_gr_fwif * fwif)2595 gf100_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
2596 {
2597 struct nvkm_device *device = gr->base.engine.subdev.device;
2598
2599 if (!nvkm_boolopt(device->cfgopt, "NvGrUseFW", false))
2600 return -EINVAL;
2601
2602 if (gf100_gr_load_fw(gr, "fuc409c", &gr->fecs.inst) ||
2603 gf100_gr_load_fw(gr, "fuc409d", &gr->fecs.data) ||
2604 gf100_gr_load_fw(gr, "fuc41ac", &gr->gpccs.inst) ||
2605 gf100_gr_load_fw(gr, "fuc41ad", &gr->gpccs.data))
2606 return -ENOENT;
2607
2608 gr->firmware = true;
2609 return 0;
2610 }
2611
2612 static const struct gf100_gr_fwif
2613 gf100_gr_fwif[] = {
2614 { -1, gf100_gr_load, &gf100_gr },
2615 { -1, gf100_gr_nofw, &gf100_gr },
2616 {}
2617 };
2618
2619 int
gf100_gr_new_(const struct gf100_gr_fwif * fwif,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_gr ** pgr)2620 gf100_gr_new_(const struct gf100_gr_fwif *fwif, struct nvkm_device *device,
2621 enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
2622 {
2623 struct gf100_gr *gr;
2624 int ret;
2625
2626 if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
2627 return -ENOMEM;
2628 *pgr = &gr->base;
2629
2630 ret = nvkm_gr_ctor(&gf100_gr_, device, type, inst, true, &gr->base);
2631 if (ret)
2632 return ret;
2633
2634 fwif = nvkm_firmware_load(&gr->base.engine.subdev, fwif, "Gr", gr);
2635 if (IS_ERR(fwif))
2636 return PTR_ERR(fwif);
2637
2638 gr->func = fwif->func;
2639
2640 ret = nvkm_falcon_ctor(&gf100_gr_flcn, &gr->base.engine.subdev,
2641 "fecs", 0x409000, &gr->fecs.falcon);
2642 if (ret)
2643 return ret;
2644
2645 mutex_init(&gr->fecs.mutex);
2646
2647 ret = nvkm_falcon_ctor(&gf100_gr_flcn, &gr->base.engine.subdev,
2648 "gpccs", 0x41a000, &gr->gpccs.falcon);
2649 if (ret)
2650 return ret;
2651
2652 return 0;
2653 }
2654
2655 int
gf100_gr_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_gr ** pgr)2656 gf100_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
2657 {
2658 return gf100_gr_new_(gf100_gr_fwif, device, type, inst, pgr);
2659 }
2660