1 /*
2 * Copyright 2012 Nouveau Project
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 AUTHORS OR COPYRIGHT HOLDERS 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: Christoph Bumiller
23 */
24
25 #include "nvc0/nvc0_context.h"
26 #include "nvc0/nve4_compute.h"
27
28 #include "codegen/nv50_ir_driver.h"
29
30 #ifdef DEBUG
31 static void nve4_compute_dump_launch_desc(const struct nve4_cp_launch_desc *);
32 #endif
33
34
35 int
nve4_screen_compute_setup(struct nvc0_screen * screen,struct nouveau_pushbuf * push)36 nve4_screen_compute_setup(struct nvc0_screen *screen,
37 struct nouveau_pushbuf *push)
38 {
39 struct nouveau_device *dev = screen->base.device;
40 struct nouveau_object *chan = screen->base.channel;
41 int i;
42 int ret;
43 uint32_t obj_class;
44 uint64_t address;
45
46 switch (dev->chipset & ~0xf) {
47 case 0x100:
48 case 0xf0:
49 obj_class = NVF0_COMPUTE_CLASS; /* GK110 */
50 break;
51 case 0xe0:
52 obj_class = NVE4_COMPUTE_CLASS; /* GK104 */
53 break;
54 case 0x110:
55 obj_class = GM107_COMPUTE_CLASS;
56 break;
57 case 0x120:
58 obj_class = GM200_COMPUTE_CLASS;
59 break;
60 default:
61 NOUVEAU_ERR("unsupported chipset: NV%02x\n", dev->chipset);
62 return -1;
63 }
64
65 ret = nouveau_object_new(chan, 0xbeef00c0, obj_class, NULL, 0,
66 &screen->compute);
67 if (ret) {
68 NOUVEAU_ERR("Failed to allocate compute object: %d\n", ret);
69 return ret;
70 }
71
72 BEGIN_NVC0(push, SUBC_CP(NV01_SUBCHAN_OBJECT), 1);
73 PUSH_DATA (push, screen->compute->oclass);
74
75 BEGIN_NVC0(push, NVE4_CP(TEMP_ADDRESS_HIGH), 2);
76 PUSH_DATAh(push, screen->tls->offset);
77 PUSH_DATA (push, screen->tls->offset);
78 /* No idea why there are 2. Divide size by 2 to be safe.
79 * Actually this might be per-MP TEMP size and looks like I'm only using
80 * 2 MPs instead of all 8.
81 */
82 BEGIN_NVC0(push, NVE4_CP(MP_TEMP_SIZE_HIGH(0)), 3);
83 PUSH_DATAh(push, screen->tls->size / screen->mp_count);
84 PUSH_DATA (push, (screen->tls->size / screen->mp_count) & ~0x7fff);
85 PUSH_DATA (push, 0xff);
86 BEGIN_NVC0(push, NVE4_CP(MP_TEMP_SIZE_HIGH(1)), 3);
87 PUSH_DATAh(push, screen->tls->size / screen->mp_count);
88 PUSH_DATA (push, (screen->tls->size / screen->mp_count) & ~0x7fff);
89 PUSH_DATA (push, 0xff);
90
91 /* Unified address space ? Who needs that ? Certainly not OpenCL.
92 *
93 * FATAL: Buffers with addresses inside [0x1000000, 0x3000000] will NOT be
94 * accessible. We cannot prevent that at the moment, so expect failure.
95 */
96 BEGIN_NVC0(push, NVE4_CP(LOCAL_BASE), 1);
97 PUSH_DATA (push, 0xff << 24);
98 BEGIN_NVC0(push, NVE4_CP(SHARED_BASE), 1);
99 PUSH_DATA (push, 0xfe << 24);
100
101 BEGIN_NVC0(push, NVE4_CP(CODE_ADDRESS_HIGH), 2);
102 PUSH_DATAh(push, screen->text->offset);
103 PUSH_DATA (push, screen->text->offset);
104
105 BEGIN_NVC0(push, SUBC_CP(0x0310), 1);
106 PUSH_DATA (push, (obj_class >= NVF0_COMPUTE_CLASS) ? 0x400 : 0x300);
107
108 /* NOTE: these do not affect the state used by the 3D object */
109 BEGIN_NVC0(push, NVE4_CP(TIC_ADDRESS_HIGH), 3);
110 PUSH_DATAh(push, screen->txc->offset);
111 PUSH_DATA (push, screen->txc->offset);
112 PUSH_DATA (push, NVC0_TIC_MAX_ENTRIES - 1);
113 BEGIN_NVC0(push, NVE4_CP(TSC_ADDRESS_HIGH), 3);
114 PUSH_DATAh(push, screen->txc->offset + 65536);
115 PUSH_DATA (push, screen->txc->offset + 65536);
116 PUSH_DATA (push, NVC0_TSC_MAX_ENTRIES - 1);
117
118 if (obj_class >= NVF0_COMPUTE_CLASS) {
119 /* The blob calls GK110_COMPUTE.FIRMWARE[0x6], along with the args (0x1)
120 * passed with GK110_COMPUTE.GRAPH.SCRATCH[0x2]. This is currently
121 * disabled because our firmware doesn't support these commands and the
122 * GPU hangs if they are used. */
123 BEGIN_NIC0(push, SUBC_CP(0x0248), 64);
124 for (i = 63; i >= 0; i--)
125 PUSH_DATA(push, 0x38000 | i);
126 IMMED_NVC0(push, SUBC_CP(NV50_GRAPH_SERIALIZE), 0);
127 }
128
129 BEGIN_NVC0(push, NVE4_CP(TEX_CB_INDEX), 1);
130 PUSH_DATA (push, 7); /* does not interfere with 3D */
131
132 /* Disabling this UNK command avoid a read fault when using texelFetch()
133 * from a compute shader for weird reasons.
134 if (obj_class == NVF0_COMPUTE_CLASS)
135 IMMED_NVC0(push, SUBC_CP(0x02c4), 1);
136 */
137
138 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(5);
139
140 /* MS sample coordinate offsets: these do not work with _ALT modes ! */
141 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
142 PUSH_DATAh(push, address + NVC0_CB_AUX_MS_INFO);
143 PUSH_DATA (push, address + NVC0_CB_AUX_MS_INFO);
144 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
145 PUSH_DATA (push, 64);
146 PUSH_DATA (push, 1);
147 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 17);
148 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
149 PUSH_DATA (push, 0); /* 0 */
150 PUSH_DATA (push, 0);
151 PUSH_DATA (push, 1); /* 1 */
152 PUSH_DATA (push, 0);
153 PUSH_DATA (push, 0); /* 2 */
154 PUSH_DATA (push, 1);
155 PUSH_DATA (push, 1); /* 3 */
156 PUSH_DATA (push, 1);
157 PUSH_DATA (push, 2); /* 4 */
158 PUSH_DATA (push, 0);
159 PUSH_DATA (push, 3); /* 5 */
160 PUSH_DATA (push, 0);
161 PUSH_DATA (push, 2); /* 6 */
162 PUSH_DATA (push, 1);
163 PUSH_DATA (push, 3); /* 7 */
164 PUSH_DATA (push, 1);
165
166 #ifdef NOUVEAU_NVE4_MP_TRAP_HANDLER
167 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
168 PUSH_DATAh(push, screen->parm->offset + NVE4_CP_INPUT_TRAP_INFO_PTR);
169 PUSH_DATA (push, screen->parm->offset + NVE4_CP_INPUT_TRAP_INFO_PTR);
170 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
171 PUSH_DATA (push, 28);
172 PUSH_DATA (push, 1);
173 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 8);
174 PUSH_DATA (push, 1);
175 PUSH_DATA (push, screen->parm->offset + NVE4_CP_PARAM_TRAP_INFO);
176 PUSH_DATAh(push, screen->parm->offset + NVE4_CP_PARAM_TRAP_INFO);
177 PUSH_DATA (push, screen->tls->offset);
178 PUSH_DATAh(push, screen->tls->offset);
179 PUSH_DATA (push, screen->tls->size / 2); /* MP TEMP block size */
180 PUSH_DATA (push, screen->tls->size / 2 / 64); /* warp TEMP block size */
181 PUSH_DATA (push, 0); /* warp cfstack size */
182 #endif
183
184 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
185 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
186
187 return 0;
188 }
189
190 static void
gm107_compute_validate_surfaces(struct nvc0_context * nvc0,struct pipe_image_view * view,int slot)191 gm107_compute_validate_surfaces(struct nvc0_context *nvc0,
192 struct pipe_image_view *view, int slot)
193 {
194 struct nv04_resource *res = nv04_resource(view->resource);
195 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
196 struct nvc0_screen *screen = nvc0->screen;
197 struct nouveau_bo *txc = nvc0->screen->txc;
198 struct nv50_tic_entry *tic;
199 uint64_t address;
200 const int s = 5;
201
202 tic = nv50_tic_entry(nvc0->images_tic[s][slot]);
203
204 res = nv04_resource(tic->pipe.texture);
205 nvc0_update_tic(nvc0, tic, res);
206
207 if (tic->id < 0) {
208 tic->id = nvc0_screen_tic_alloc(nvc0->screen, tic);
209
210 /* upload the texture view */
211 PUSH_SPACE(push, 16);
212 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
213 PUSH_DATAh(push, txc->offset + (tic->id * 32));
214 PUSH_DATA (push, txc->offset + (tic->id * 32));
215 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
216 PUSH_DATA (push, 32);
217 PUSH_DATA (push, 1);
218 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 9);
219 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
220 PUSH_DATAp(push, &tic->tic[0], 8);
221
222 BEGIN_NIC0(push, NVE4_CP(TIC_FLUSH), 1);
223 PUSH_DATA (push, (tic->id << 4) | 1);
224 } else
225 if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
226 BEGIN_NIC0(push, NVE4_CP(TEX_CACHE_CTL), 1);
227 PUSH_DATA (push, (tic->id << 4) | 1);
228 }
229 nvc0->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
230
231 res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING;
232 res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
233
234 BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RD);
235
236 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
237
238 /* upload the texture handle */
239 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
240 PUSH_DATAh(push, address + NVC0_CB_AUX_TEX_INFO(slot + 32));
241 PUSH_DATA (push, address + NVC0_CB_AUX_TEX_INFO(slot + 32));
242 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
243 PUSH_DATA (push, 4);
244 PUSH_DATA (push, 0x1);
245 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 2);
246 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
247 PUSH_DATA (push, tic->id);
248
249 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
250 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
251 }
252
253 static void
nve4_compute_validate_surfaces(struct nvc0_context * nvc0)254 nve4_compute_validate_surfaces(struct nvc0_context *nvc0)
255 {
256 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
257 uint64_t address;
258 const int s = 5;
259 int i, j;
260
261 if (!nvc0->images_dirty[s])
262 return;
263
264 address = nvc0->screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
265
266 for (i = 0; i < NVC0_MAX_IMAGES; ++i) {
267 struct pipe_image_view *view = &nvc0->images[s][i];
268
269 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
270 PUSH_DATAh(push, address + NVC0_CB_AUX_SU_INFO(i));
271 PUSH_DATA (push, address + NVC0_CB_AUX_SU_INFO(i));
272 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
273 PUSH_DATA (push, 16 * 4);
274 PUSH_DATA (push, 0x1);
275 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 16);
276 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
277
278 if (view->resource) {
279 struct nv04_resource *res = nv04_resource(view->resource);
280
281 if (res->base.target == PIPE_BUFFER) {
282 if (view->access & PIPE_IMAGE_ACCESS_WRITE)
283 nvc0_mark_image_range_valid(view);
284 }
285
286 nve4_set_surface_info(push, view, nvc0);
287 BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RDWR);
288
289 if (nvc0->screen->base.class_3d >= GM107_3D_CLASS)
290 gm107_compute_validate_surfaces(nvc0, view, i);
291 } else {
292 for (j = 0; j < 16; j++)
293 PUSH_DATA(push, 0);
294 }
295 }
296 }
297
298 /* Thankfully, textures with samplers follow the normal rules. */
299 static void
nve4_compute_validate_samplers(struct nvc0_context * nvc0)300 nve4_compute_validate_samplers(struct nvc0_context *nvc0)
301 {
302 bool need_flush = nve4_validate_tsc(nvc0, 5);
303 if (need_flush) {
304 BEGIN_NVC0(nvc0->base.pushbuf, NVE4_CP(TSC_FLUSH), 1);
305 PUSH_DATA (nvc0->base.pushbuf, 0);
306 }
307
308 /* Invalidate all 3D samplers because they are aliased. */
309 for (int s = 0; s < 5; s++)
310 nvc0->samplers_dirty[s] = ~0;
311 nvc0->dirty_3d |= NVC0_NEW_3D_SAMPLERS;
312 }
313
314 /* (Code duplicated at bottom for various non-convincing reasons.
315 * E.g. we might want to use the COMPUTE subchannel to upload TIC/TSC
316 * entries to avoid a subchannel switch.
317 * Same for texture cache flushes.
318 * Also, the bufctx differs, and more IFs in the 3D version looks ugly.)
319 */
320 static void nve4_compute_validate_textures(struct nvc0_context *);
321
322 static void
nve4_compute_set_tex_handles(struct nvc0_context * nvc0)323 nve4_compute_set_tex_handles(struct nvc0_context *nvc0)
324 {
325 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
326 struct nvc0_screen *screen = nvc0->screen;
327 uint64_t address;
328 const unsigned s = nvc0_shader_stage(PIPE_SHADER_COMPUTE);
329 unsigned i, n;
330 uint32_t dirty = nvc0->textures_dirty[s] | nvc0->samplers_dirty[s];
331
332 if (!dirty)
333 return;
334 i = ffs(dirty) - 1;
335 n = util_logbase2(dirty) + 1 - i;
336 assert(n);
337
338 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
339
340 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
341 PUSH_DATAh(push, address + NVC0_CB_AUX_TEX_INFO(i));
342 PUSH_DATA (push, address + NVC0_CB_AUX_TEX_INFO(i));
343 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
344 PUSH_DATA (push, n * 4);
345 PUSH_DATA (push, 0x1);
346 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + n);
347 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
348 PUSH_DATAp(push, &nvc0->tex_handles[s][i], n);
349
350 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
351 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
352
353 nvc0->textures_dirty[s] = 0;
354 nvc0->samplers_dirty[s] = 0;
355 }
356
357 static void
nve4_compute_validate_constbufs(struct nvc0_context * nvc0)358 nve4_compute_validate_constbufs(struct nvc0_context *nvc0)
359 {
360 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
361 const int s = 5;
362
363 while (nvc0->constbuf_dirty[s]) {
364 int i = ffs(nvc0->constbuf_dirty[s]) - 1;
365 nvc0->constbuf_dirty[s] &= ~(1 << i);
366
367 if (nvc0->constbuf[s][i].user) {
368 struct nouveau_bo *bo = nvc0->screen->uniform_bo;
369 const unsigned base = NVC0_CB_USR_INFO(s);
370 const unsigned size = nvc0->constbuf[s][0].size;
371 assert(i == 0); /* we really only want OpenGL uniforms here */
372 assert(nvc0->constbuf[s][0].u.data);
373
374 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
375 PUSH_DATAh(push, bo->offset + base);
376 PUSH_DATA (push, bo->offset + base);
377 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
378 PUSH_DATA (push, size);
379 PUSH_DATA (push, 0x1);
380 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (size / 4));
381 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
382 PUSH_DATAp(push, nvc0->constbuf[s][0].u.data, size / 4);
383 }
384 else {
385 struct nv04_resource *res =
386 nv04_resource(nvc0->constbuf[s][i].u.buf);
387 if (res) {
388 uint64_t address
389 = nvc0->screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
390
391 assert(i > 0); /* we really only want uniform buffer objects */
392
393 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
394 PUSH_DATAh(push, address + NVC0_CB_AUX_UBO_INFO(i - 1));
395 PUSH_DATA (push, address + NVC0_CB_AUX_UBO_INFO(i - 1));
396 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
397 PUSH_DATA (push, 4 * 4);
398 PUSH_DATA (push, 0x1);
399 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 4);
400 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
401
402 PUSH_DATA (push, res->address + nvc0->constbuf[s][i].offset);
403 PUSH_DATAh(push, res->address + nvc0->constbuf[s][i].offset);
404 PUSH_DATA (push, nvc0->constbuf[5][i].size);
405 PUSH_DATA (push, 0);
406 BCTX_REFN(nvc0->bufctx_cp, CP_CB(i), res, RD);
407
408 res->cb_bindings[s] |= 1 << i;
409 }
410 }
411 }
412
413 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
414 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
415 }
416
417 static void
nve4_compute_validate_buffers(struct nvc0_context * nvc0)418 nve4_compute_validate_buffers(struct nvc0_context *nvc0)
419 {
420 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
421 uint64_t address;
422 const int s = 5;
423 int i;
424
425 address = nvc0->screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
426
427 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
428 PUSH_DATAh(push, address + NVC0_CB_AUX_BUF_INFO(0));
429 PUSH_DATA (push, address + NVC0_CB_AUX_BUF_INFO(0));
430 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
431 PUSH_DATA (push, 4 * NVC0_MAX_BUFFERS * 4);
432 PUSH_DATA (push, 0x1);
433 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 4 * NVC0_MAX_BUFFERS);
434 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
435
436 for (i = 0; i < NVC0_MAX_BUFFERS; i++) {
437 if (nvc0->buffers[s][i].buffer) {
438 struct nv04_resource *res =
439 nv04_resource(nvc0->buffers[s][i].buffer);
440 PUSH_DATA (push, res->address + nvc0->buffers[s][i].buffer_offset);
441 PUSH_DATAh(push, res->address + nvc0->buffers[s][i].buffer_offset);
442 PUSH_DATA (push, nvc0->buffers[s][i].buffer_size);
443 PUSH_DATA (push, 0);
444 BCTX_REFN(nvc0->bufctx_cp, CP_BUF, res, RDWR);
445 util_range_add(&res->valid_buffer_range,
446 nvc0->buffers[s][i].buffer_offset,
447 nvc0->buffers[s][i].buffer_offset +
448 nvc0->buffers[s][i].buffer_size);
449 } else {
450 PUSH_DATA (push, 0);
451 PUSH_DATA (push, 0);
452 PUSH_DATA (push, 0);
453 PUSH_DATA (push, 0);
454 }
455 }
456 }
457
458 static struct nvc0_state_validate
459 validate_list_cp[] = {
460 { nvc0_compprog_validate, NVC0_NEW_CP_PROGRAM },
461 { nve4_compute_validate_textures, NVC0_NEW_CP_TEXTURES },
462 { nve4_compute_validate_samplers, NVC0_NEW_CP_SAMPLERS },
463 { nve4_compute_set_tex_handles, NVC0_NEW_CP_TEXTURES |
464 NVC0_NEW_CP_SAMPLERS },
465 { nve4_compute_validate_surfaces, NVC0_NEW_CP_SURFACES },
466 { nvc0_compute_validate_globals, NVC0_NEW_CP_GLOBALS },
467 { nve4_compute_validate_buffers, NVC0_NEW_CP_BUFFERS },
468 { nve4_compute_validate_constbufs, NVC0_NEW_CP_CONSTBUF },
469 };
470
471 static bool
nve4_state_validate_cp(struct nvc0_context * nvc0,uint32_t mask)472 nve4_state_validate_cp(struct nvc0_context *nvc0, uint32_t mask)
473 {
474 bool ret;
475
476 ret = nvc0_state_validate(nvc0, mask, validate_list_cp,
477 ARRAY_SIZE(validate_list_cp), &nvc0->dirty_cp,
478 nvc0->bufctx_cp);
479
480 if (unlikely(nvc0->state.flushed))
481 nvc0_bufctx_fence(nvc0, nvc0->bufctx_cp, true);
482 return ret;
483 }
484
485 static void
nve4_compute_upload_input(struct nvc0_context * nvc0,const struct pipe_grid_info * info)486 nve4_compute_upload_input(struct nvc0_context *nvc0,
487 const struct pipe_grid_info *info)
488 {
489 struct nvc0_screen *screen = nvc0->screen;
490 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
491 struct nvc0_program *cp = nvc0->compprog;
492 uint64_t address;
493
494 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(5);
495
496 if (cp->parm_size) {
497 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
498 PUSH_DATAh(push, screen->uniform_bo->offset + NVC0_CB_USR_INFO(5));
499 PUSH_DATA (push, screen->uniform_bo->offset + NVC0_CB_USR_INFO(5));
500 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
501 PUSH_DATA (push, cp->parm_size);
502 PUSH_DATA (push, 0x1);
503 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (cp->parm_size / 4));
504 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
505 PUSH_DATAp(push, info->input, cp->parm_size / 4);
506 }
507 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
508 PUSH_DATAh(push, address + NVC0_CB_AUX_GRID_INFO(0));
509 PUSH_DATA (push, address + NVC0_CB_AUX_GRID_INFO(0));
510 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
511 PUSH_DATA (push, 8 * 4);
512 PUSH_DATA (push, 0x1);
513
514 if (unlikely(info->indirect)) {
515 struct nv04_resource *res = nv04_resource(info->indirect);
516 uint32_t offset = res->offset + info->indirect_offset;
517
518 nouveau_pushbuf_space(push, 32, 0, 1);
519 PUSH_REFN(push, res->bo, NOUVEAU_BO_RD | res->domain);
520
521 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 8);
522 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
523 PUSH_DATAp(push, info->block, 3);
524 nouveau_pushbuf_data(push, res->bo, offset,
525 NVC0_IB_ENTRY_1_NO_PREFETCH | 3 * 4);
526 } else {
527 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 8);
528 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
529 PUSH_DATAp(push, info->block, 3);
530 PUSH_DATAp(push, info->grid, 3);
531 }
532 PUSH_DATA (push, 0);
533 PUSH_DATA (push, info->work_dim);
534
535 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
536 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
537 }
538
539 static inline uint8_t
nve4_compute_derive_cache_split(struct nvc0_context * nvc0,uint32_t shared_size)540 nve4_compute_derive_cache_split(struct nvc0_context *nvc0, uint32_t shared_size)
541 {
542 if (shared_size > (32 << 10))
543 return NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1;
544 if (shared_size > (16 << 10))
545 return NVE4_3D_CACHE_SPLIT_32K_SHARED_32K_L1;
546 return NVC1_3D_CACHE_SPLIT_16K_SHARED_48K_L1;
547 }
548
549 static void
nve4_compute_setup_launch_desc(struct nvc0_context * nvc0,struct nve4_cp_launch_desc * desc,const struct pipe_grid_info * info)550 nve4_compute_setup_launch_desc(struct nvc0_context *nvc0,
551 struct nve4_cp_launch_desc *desc,
552 const struct pipe_grid_info *info)
553 {
554 const struct nvc0_screen *screen = nvc0->screen;
555 const struct nvc0_program *cp = nvc0->compprog;
556
557 nve4_cp_launch_desc_init_default(desc);
558
559 desc->entry = nvc0_program_symbol_offset(cp, info->pc);
560
561 desc->griddim_x = info->grid[0];
562 desc->griddim_y = info->grid[1];
563 desc->griddim_z = info->grid[2];
564 desc->blockdim_x = info->block[0];
565 desc->blockdim_y = info->block[1];
566 desc->blockdim_z = info->block[2];
567
568 desc->shared_size = align(cp->cp.smem_size, 0x100);
569 desc->local_size_p = (cp->hdr[1] & 0xfffff0) + align(cp->cp.lmem_size, 0x10);
570 desc->local_size_n = 0;
571 desc->cstack_size = 0x800;
572 desc->cache_split = nve4_compute_derive_cache_split(nvc0, cp->cp.smem_size);
573
574 desc->gpr_alloc = cp->num_gprs;
575 desc->bar_alloc = cp->num_barriers;
576
577 // Only bind user uniforms and the driver constant buffer through the
578 // launch descriptor because UBOs are sticked to the driver cb to avoid the
579 // limitation of 8 CBs.
580 if (nvc0->constbuf[5][0].user || cp->parm_size) {
581 nve4_cp_launch_desc_set_cb(desc, 0, screen->uniform_bo,
582 NVC0_CB_USR_INFO(5), 1 << 16);
583 }
584 nve4_cp_launch_desc_set_cb(desc, 7, screen->uniform_bo,
585 NVC0_CB_AUX_INFO(5), 1 << 11);
586 }
587
588 static inline struct nve4_cp_launch_desc *
nve4_compute_alloc_launch_desc(struct nouveau_context * nv,struct nouveau_bo ** pbo,uint64_t * pgpuaddr)589 nve4_compute_alloc_launch_desc(struct nouveau_context *nv,
590 struct nouveau_bo **pbo, uint64_t *pgpuaddr)
591 {
592 uint8_t *ptr = nouveau_scratch_get(nv, 512, pgpuaddr, pbo);
593 if (!ptr)
594 return NULL;
595 if (*pgpuaddr & 255) {
596 unsigned adj = 256 - (*pgpuaddr & 255);
597 ptr += adj;
598 *pgpuaddr += adj;
599 }
600 return (struct nve4_cp_launch_desc *)ptr;
601 }
602
603 void
nve4_launch_grid(struct pipe_context * pipe,const struct pipe_grid_info * info)604 nve4_launch_grid(struct pipe_context *pipe, const struct pipe_grid_info *info)
605 {
606 struct nvc0_context *nvc0 = nvc0_context(pipe);
607 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
608 struct nve4_cp_launch_desc *desc;
609 uint64_t desc_gpuaddr;
610 struct nouveau_bo *desc_bo;
611 int ret;
612
613 desc = nve4_compute_alloc_launch_desc(&nvc0->base, &desc_bo, &desc_gpuaddr);
614 if (!desc) {
615 ret = -1;
616 goto out;
617 }
618 BCTX_REFN_bo(nvc0->bufctx_cp, CP_DESC, NOUVEAU_BO_GART | NOUVEAU_BO_RD,
619 desc_bo);
620
621 ret = !nve4_state_validate_cp(nvc0, ~0);
622 if (ret)
623 goto out;
624
625 nve4_compute_setup_launch_desc(nvc0, desc, info);
626
627 nve4_compute_upload_input(nvc0, info);
628
629 #ifdef DEBUG
630 if (debug_get_num_option("NV50_PROG_DEBUG", 0))
631 nve4_compute_dump_launch_desc(desc);
632 #endif
633
634 if (unlikely(info->indirect)) {
635 struct nv04_resource *res = nv04_resource(info->indirect);
636 uint32_t offset = res->offset + info->indirect_offset;
637
638 /* upload the descriptor */
639 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
640 PUSH_DATAh(push, desc_gpuaddr);
641 PUSH_DATA (push, desc_gpuaddr);
642 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
643 PUSH_DATA (push, 256);
644 PUSH_DATA (push, 1);
645 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (256 / 4));
646 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x08 << 1));
647 PUSH_DATAp(push, (const uint32_t *)desc, 256 / 4);
648
649 /* overwrite griddim_x and griddim_y as two 32-bits integers even
650 * if griddim_y must be a 16-bits integer */
651 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
652 PUSH_DATAh(push, desc_gpuaddr + 48);
653 PUSH_DATA (push, desc_gpuaddr + 48);
654 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
655 PUSH_DATA (push, 8);
656 PUSH_DATA (push, 1);
657
658 nouveau_pushbuf_space(push, 32, 0, 1);
659 PUSH_REFN(push, res->bo, NOUVEAU_BO_RD | res->domain);
660
661 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (8 / 4));
662 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x08 << 1));
663 nouveau_pushbuf_data(push, res->bo, offset,
664 NVC0_IB_ENTRY_1_NO_PREFETCH | 2 * 4);
665
666 /* overwrite the 16 high bits of griddim_y with griddim_z because
667 * we need (z << 16) | x */
668 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
669 PUSH_DATAh(push, desc_gpuaddr + 54);
670 PUSH_DATA (push, desc_gpuaddr + 54);
671 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
672 PUSH_DATA (push, 4);
673 PUSH_DATA (push, 1);
674 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (4 / 4));
675 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x08 << 1));
676 nouveau_pushbuf_data(push, res->bo, offset + 8,
677 NVC0_IB_ENTRY_1_NO_PREFETCH | 1 * 4);
678 }
679
680 /* upload descriptor and flush */
681 BEGIN_NVC0(push, NVE4_CP(LAUNCH_DESC_ADDRESS), 1);
682 PUSH_DATA (push, desc_gpuaddr >> 8);
683 BEGIN_NVC0(push, NVE4_CP(LAUNCH), 1);
684 PUSH_DATA (push, 0x3);
685 BEGIN_NVC0(push, SUBC_CP(NV50_GRAPH_SERIALIZE), 1);
686 PUSH_DATA (push, 0);
687
688 out:
689 if (ret)
690 NOUVEAU_ERR("Failed to launch grid !\n");
691 nouveau_scratch_done(&nvc0->base);
692 nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_DESC);
693 }
694
695
696 #define NVE4_TIC_ENTRY_INVALID 0x000fffff
697
698 static void
nve4_compute_validate_textures(struct nvc0_context * nvc0)699 nve4_compute_validate_textures(struct nvc0_context *nvc0)
700 {
701 struct nouveau_bo *txc = nvc0->screen->txc;
702 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
703 const unsigned s = 5;
704 unsigned i;
705 uint32_t commands[2][32];
706 unsigned n[2] = { 0, 0 };
707
708 for (i = 0; i < nvc0->num_textures[s]; ++i) {
709 struct nv50_tic_entry *tic = nv50_tic_entry(nvc0->textures[s][i]);
710 struct nv04_resource *res;
711 const bool dirty = !!(nvc0->textures_dirty[s] & (1 << i));
712
713 if (!tic) {
714 nvc0->tex_handles[s][i] |= NVE4_TIC_ENTRY_INVALID;
715 continue;
716 }
717 res = nv04_resource(tic->pipe.texture);
718 nvc0_update_tic(nvc0, tic, res);
719
720 if (tic->id < 0) {
721 tic->id = nvc0_screen_tic_alloc(nvc0->screen, tic);
722
723 PUSH_SPACE(push, 16);
724 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
725 PUSH_DATAh(push, txc->offset + (tic->id * 32));
726 PUSH_DATA (push, txc->offset + (tic->id * 32));
727 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
728 PUSH_DATA (push, 32);
729 PUSH_DATA (push, 1);
730 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 9);
731 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
732 PUSH_DATAp(push, &tic->tic[0], 8);
733
734 commands[0][n[0]++] = (tic->id << 4) | 1;
735 } else
736 if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
737 commands[1][n[1]++] = (tic->id << 4) | 1;
738 }
739 nvc0->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
740
741 res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING;
742 res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
743
744 nvc0->tex_handles[s][i] &= ~NVE4_TIC_ENTRY_INVALID;
745 nvc0->tex_handles[s][i] |= tic->id;
746 if (dirty)
747 BCTX_REFN(nvc0->bufctx_cp, CP_TEX(i), res, RD);
748 }
749 for (; i < nvc0->state.num_textures[s]; ++i) {
750 nvc0->tex_handles[s][i] |= NVE4_TIC_ENTRY_INVALID;
751 nvc0->textures_dirty[s] |= 1 << i;
752 }
753
754 if (n[0]) {
755 BEGIN_NIC0(push, NVE4_CP(TIC_FLUSH), n[0]);
756 PUSH_DATAp(push, commands[0], n[0]);
757 }
758 if (n[1]) {
759 BEGIN_NIC0(push, NVE4_CP(TEX_CACHE_CTL), n[1]);
760 PUSH_DATAp(push, commands[1], n[1]);
761 }
762
763 nvc0->state.num_textures[s] = nvc0->num_textures[s];
764
765 /* Invalidate all 3D textures because they are aliased. */
766 for (int s = 0; s < 5; s++) {
767 for (int i = 0; i < nvc0->num_textures[s]; i++)
768 nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(s, i));
769 nvc0->textures_dirty[s] = ~0;
770 }
771 nvc0->dirty_3d |= NVC0_NEW_3D_TEXTURES;
772 }
773
774
775 #ifdef DEBUG
nve4_cache_split_name(unsigned value)776 static const char *nve4_cache_split_name(unsigned value)
777 {
778 switch (value) {
779 case NVC1_3D_CACHE_SPLIT_16K_SHARED_48K_L1: return "16K_SHARED_48K_L1";
780 case NVE4_3D_CACHE_SPLIT_32K_SHARED_32K_L1: return "32K_SHARED_32K_L1";
781 case NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1: return "48K_SHARED_16K_L1";
782 default:
783 return "(invalid)";
784 }
785 }
786
787 static void
nve4_compute_dump_launch_desc(const struct nve4_cp_launch_desc * desc)788 nve4_compute_dump_launch_desc(const struct nve4_cp_launch_desc *desc)
789 {
790 const uint32_t *data = (const uint32_t *)desc;
791 unsigned i;
792 bool zero = false;
793
794 debug_printf("COMPUTE LAUNCH DESCRIPTOR:\n");
795
796 for (i = 0; i < sizeof(*desc); i += 4) {
797 if (data[i / 4]) {
798 debug_printf("[%x]: 0x%08x\n", i, data[i / 4]);
799 zero = false;
800 } else
801 if (!zero) {
802 debug_printf("...\n");
803 zero = true;
804 }
805 }
806
807 debug_printf("entry = 0x%x\n", desc->entry);
808 debug_printf("grid dimensions = %ux%ux%u\n",
809 desc->griddim_x, desc->griddim_y, desc->griddim_z);
810 debug_printf("block dimensions = %ux%ux%u\n",
811 desc->blockdim_x, desc->blockdim_y, desc->blockdim_z);
812 debug_printf("s[] size: 0x%x\n", desc->shared_size);
813 debug_printf("l[] size: -0x%x / +0x%x\n",
814 desc->local_size_n, desc->local_size_p);
815 debug_printf("stack size: 0x%x\n", desc->cstack_size);
816 debug_printf("barrier count: %u\n", desc->bar_alloc);
817 debug_printf("$r count: %u\n", desc->gpr_alloc);
818 debug_printf("cache split: %s\n", nve4_cache_split_name(desc->cache_split));
819 debug_printf("linked tsc: %d\n", desc->linked_tsc);
820
821 for (i = 0; i < 8; ++i) {
822 uint64_t address;
823 uint32_t size = desc->cb[i].size;
824 bool valid = !!(desc->cb_mask & (1 << i));
825
826 address = ((uint64_t)desc->cb[i].address_h << 32) | desc->cb[i].address_l;
827
828 if (!valid && !address && !size)
829 continue;
830 debug_printf("CB[%u]: address = 0x%"PRIx64", size 0x%x%s\n",
831 i, address, size, valid ? "" : " (invalid)");
832 }
833 }
834 #endif
835
836 #ifdef NOUVEAU_NVE4_MP_TRAP_HANDLER
837 static void
nve4_compute_trap_info(struct nvc0_context * nvc0)838 nve4_compute_trap_info(struct nvc0_context *nvc0)
839 {
840 struct nvc0_screen *screen = nvc0->screen;
841 struct nouveau_bo *bo = screen->parm;
842 int ret, i;
843 volatile struct nve4_mp_trap_info *info;
844 uint8_t *map;
845
846 ret = nouveau_bo_map(bo, NOUVEAU_BO_RDWR, nvc0->base.client);
847 if (ret)
848 return;
849 map = (uint8_t *)bo->map;
850 info = (volatile struct nve4_mp_trap_info *)(map + NVE4_CP_PARAM_TRAP_INFO);
851
852 if (info->lock) {
853 debug_printf("trapstat = %08x\n", info->trapstat);
854 debug_printf("warperr = %08x\n", info->warperr);
855 debug_printf("PC = %x\n", info->pc);
856 debug_printf("tid = %u %u %u\n",
857 info->tid[0], info->tid[1], info->tid[2]);
858 debug_printf("ctaid = %u %u %u\n",
859 info->ctaid[0], info->ctaid[1], info->ctaid[2]);
860 for (i = 0; i <= 63; ++i)
861 debug_printf("$r%i = %08x\n", i, info->r[i]);
862 for (i = 0; i <= 6; ++i)
863 debug_printf("$p%i = %i\n", i, (info->flags >> i) & 1);
864 debug_printf("$c = %x\n", info->flags >> 12);
865 }
866 info->lock = 0;
867 }
868 #endif
869