src/gallium/drivers/nouveau/nvc0/nve4_compute.c

   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
  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
  45    switch (dev->chipset & ~0xf) {
  46    case 0x100:
  47    case 0xf0:
  48       obj_class = NVF0_COMPUTE_CLASS; /* GK110 */
  49       break;
  50    case 0xe0:
  51       obj_class = NVE4_COMPUTE_CLASS; /* GK104 */
  52       break;
  53    case 0x110:
  54       obj_class = GM107_COMPUTE_CLASS;
  55       break;
  56    default:
  57       NOUVEAU_ERR("unsupported chipset: NV%02x\n", dev->chipset);
  58       return -1;
  59    }
  60
  61    ret = nouveau_object_new(chan, 0xbeef00c0, obj_class, NULL, 0,
  62                             &screen->compute);
  63    if (ret) {
  64       NOUVEAU_ERR("Failed to allocate compute object: %d\n", ret);
  65       return ret;
  66    }
  67
  68    ret = nouveau_bo_new(dev, NV_VRAM_DOMAIN(&screen->base), 0, NVE4_CP_PARAM_SIZE, NULL,
  69                         &screen->parm);
  70    if (ret)
  71       return ret;
  72
  73    BEGIN_NVC0(push, SUBC_CP(NV01_SUBCHAN_OBJECT), 1);
  74    PUSH_DATA (push, screen->compute->oclass);
  75
  76    BEGIN_NVC0(push, NVE4_CP(TEMP_ADDRESS_HIGH), 2);
  77    PUSH_DATAh(push, screen->tls->offset);
  78    PUSH_DATA (push, screen->tls->offset);
  79    /* No idea why there are 2. Divide size by 2 to be safe.
  80     * Actually this might be per-MP TEMP size and looks like I'm only using
  81     * 2 MPs instead of all 8.
  82     */
  83    BEGIN_NVC0(push, NVE4_CP(MP_TEMP_SIZE_HIGH(0)), 3);
  84    PUSH_DATAh(push, screen->tls->size / screen->mp_count);
  85    PUSH_DATA (push, (screen->tls->size / screen->mp_count) & ~0x7fff);
  86    PUSH_DATA (push, 0xff);
  87    BEGIN_NVC0(push, NVE4_CP(MP_TEMP_SIZE_HIGH(1)), 3);
  88    PUSH_DATAh(push, screen->tls->size / screen->mp_count);
  89    PUSH_DATA (push, (screen->tls->size / screen->mp_count) & ~0x7fff);
  90    PUSH_DATA (push, 0xff);
  91
  92    /* Unified address space ? Who needs that ? Certainly not OpenCL.
  93     *
  94     * FATAL: Buffers with addresses inside [0x1000000, 0x3000000] will NOT be
  95     *  accessible. We cannot prevent that at the moment, so expect failure.
  96     */
  97    BEGIN_NVC0(push, NVE4_CP(LOCAL_BASE), 1);
  98    PUSH_DATA (push, 1 << 24);
  99    BEGIN_NVC0(push, NVE4_CP(SHARED_BASE), 1);
 100    PUSH_DATA (push, 2 << 24);
 101
 102    BEGIN_NVC0(push, NVE4_CP(CODE_ADDRESS_HIGH), 2);
 103    PUSH_DATAh(push, screen->text->offset);
 104    PUSH_DATA (push, screen->text->offset);
 105
 106    BEGIN_NVC0(push, SUBC_CP(0x0310), 1);
 107    PUSH_DATA (push, (obj_class >= NVF0_COMPUTE_CLASS) ? 0x400 : 0x300);
 108
 109    /* NOTE: these do not affect the state used by the 3D object */
 110    BEGIN_NVC0(push, NVE4_CP(TIC_ADDRESS_HIGH), 3);
 111    PUSH_DATAh(push, screen->txc->offset);
 112    PUSH_DATA (push, screen->txc->offset);
 113    PUSH_DATA (push, NVC0_TIC_MAX_ENTRIES - 1);
 114    BEGIN_NVC0(push, NVE4_CP(TSC_ADDRESS_HIGH), 3);
 115    PUSH_DATAh(push, screen->txc->offset + 65536);
 116    PUSH_DATA (push, screen->txc->offset + 65536);
 117    PUSH_DATA (push, NVC0_TSC_MAX_ENTRIES - 1);
 118
 119    if (obj_class >= NVF0_COMPUTE_CLASS) {
 120       /* The blob calls GK110_COMPUTE.FIRMWARE[0x6], along with the args (0x1)
 121        * passed with GK110_COMPUTE.GRAPH.SCRATCH[0x2]. This is currently
 122        * disabled because our firmware doesn't support these commands and the
 123        * GPU hangs if they are used. */
 124       BEGIN_NIC0(push, SUBC_CP(0x0248), 64);
 125       for (i = 63; i >= 0; i--)
 126          PUSH_DATA(push, 0x38000 | i);
 127       IMMED_NVC0(push, SUBC_CP(NV50_GRAPH_SERIALIZE), 0);
 128    }
 129
 130    BEGIN_NVC0(push, NVE4_CP(TEX_CB_INDEX), 1);
 131    PUSH_DATA (push, 0); /* does not interefere with 3D */
 132
 133    if (obj_class == NVF0_COMPUTE_CLASS)
 134       IMMED_NVC0(push, SUBC_CP(0x02c4), 1);
 135
 136    /* MS sample coordinate offsets: these do not work with _ALT modes ! */
 137    BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 138    PUSH_DATAh(push, screen->parm->offset + NVE4_CP_INPUT_MS_OFFSETS);
 139    PUSH_DATA (push, screen->parm->offset + NVE4_CP_INPUT_MS_OFFSETS);
 140    BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 141    PUSH_DATA (push, 64);
 142    PUSH_DATA (push, 1);
 143    BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 17);
 144    PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
 145    PUSH_DATA (push, 0); /* 0 */
 146    PUSH_DATA (push, 0);
 147    PUSH_DATA (push, 1); /* 1 */
 148    PUSH_DATA (push, 0);
 149    PUSH_DATA (push, 0); /* 2 */
 150    PUSH_DATA (push, 1);
 151    PUSH_DATA (push, 1); /* 3 */
 152    PUSH_DATA (push, 1);
 153    PUSH_DATA (push, 2); /* 4 */
 154    PUSH_DATA (push, 0);
 155    PUSH_DATA (push, 3); /* 5 */
 156    PUSH_DATA (push, 0);
 157    PUSH_DATA (push, 2); /* 6 */
 158    PUSH_DATA (push, 1);
 159    PUSH_DATA (push, 3); /* 7 */
 160    PUSH_DATA (push, 1);
 161
 162 #ifdef DEBUG
 163    BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 164    PUSH_DATAh(push, screen->parm->offset + NVE4_CP_INPUT_TRAP_INFO_PTR);
 165    PUSH_DATA (push, screen->parm->offset + NVE4_CP_INPUT_TRAP_INFO_PTR);
 166    BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 167    PUSH_DATA (push, 28);
 168    PUSH_DATA (push, 1);
 169    BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 8);
 170    PUSH_DATA (push, 1);
 171    PUSH_DATA (push, screen->parm->offset + NVE4_CP_PARAM_TRAP_INFO);
 172    PUSH_DATAh(push, screen->parm->offset + NVE4_CP_PARAM_TRAP_INFO);
 173    PUSH_DATA (push, screen->tls->offset);
 174    PUSH_DATAh(push, screen->tls->offset);
 175    PUSH_DATA (push, screen->tls->size / 2); /* MP TEMP block size */
 176    PUSH_DATA (push, screen->tls->size / 2 / 64); /* warp TEMP block size */
 177    PUSH_DATA (push, 0); /* warp cfstack size */
 178 #endif
 179
 180    BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
 181    PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
 182
 183    return 0;
 184 }
 185
 186
 187 static void
 188 nve4_compute_validate_surfaces(struct nvc0_context *nvc0)
 189 {
 190    struct nvc0_screen *screen = nvc0->screen;
 191    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
 192    struct nv50_surface *sf;
 193    struct nv04_resource *res;
 194    uint32_t mask;
 195    unsigned i;
 196    const unsigned t = 1;
 197
 198    mask = nvc0->surfaces_dirty[t];
 199    while (mask) {
 200       i = ffs(mask) - 1;
 201       mask &= ~(1 << i);
 202
 203       /*
 204        * NVE4's surface load/store instructions receive all the information
 205        * directly instead of via binding points, so we have to supply them.
 206        */
 207       BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 208       PUSH_DATAh(push, screen->parm->offset + NVE4_CP_INPUT_SUF(i));
 209       PUSH_DATA (push, screen->parm->offset + NVE4_CP_INPUT_SUF(i));
 210       BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 211       PUSH_DATA (push, 64);
 212       PUSH_DATA (push, 1);
 213       BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 17);
 214       PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
 215
 216       nve4_set_surface_info(push, nvc0->surfaces[t][i], screen);
 217
 218       sf = nv50_surface(nvc0->surfaces[t][i]);
 219       if (sf) {
 220          res = nv04_resource(sf->base.texture);
 221
 222          if (sf->base.writable)
 223             BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RDWR);
 224          else
 225             BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RD);
 226       }
 227    }
 228    if (nvc0->surfaces_dirty[t]) {
 229       BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
 230       PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
 231    }
 232
 233    /* re-reference non-dirty surfaces */
 234    mask = nvc0->surfaces_valid[t] & ~nvc0->surfaces_dirty[t];
 235    while (mask) {
 236       i = ffs(mask) - 1;
 237       mask &= ~(1 << i);
 238
 239       sf = nv50_surface(nvc0->surfaces[t][i]);
 240       res = nv04_resource(sf->base.texture);
 241
 242       if (sf->base.writable)
 243          BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RDWR);
 244       else
 245          BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RD);
 246    }
 247
 248    nvc0->surfaces_dirty[t] = 0;
 249 }
 250
 251
 252 /* Thankfully, textures with samplers follow the normal rules. */
 253 static void
 254 nve4_compute_validate_samplers(struct nvc0_context *nvc0)
 255 {
 256    bool need_flush = nve4_validate_tsc(nvc0, 5);
 257    if (need_flush) {
 258       BEGIN_NVC0(nvc0->base.pushbuf, NVE4_CP(TSC_FLUSH), 1);
 259       PUSH_DATA (nvc0->base.pushbuf, 0);
 260    }
 261 }
 262 /* (Code duplicated at bottom for various non-convincing reasons.
 263  *  E.g. we might want to use the COMPUTE subchannel to upload TIC/TSC
 264  *  entries to avoid a subchannel switch.
 265  *  Same for texture cache flushes.
 266  *  Also, the bufctx differs, and more IFs in the 3D version looks ugly.)
 267  */
 268 static void nve4_compute_validate_textures(struct nvc0_context *);
 269
 270 static void
 271 nve4_compute_set_tex_handles(struct nvc0_context *nvc0)
 272 {
 273    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
 274    uint64_t address;
 275    const unsigned s = nvc0_shader_stage(PIPE_SHADER_COMPUTE);
 276    unsigned i, n;
 277    uint32_t dirty = nvc0->textures_dirty[s] | nvc0->samplers_dirty[s];
 278
 279    if (!dirty)
 280       return;
 281    i = ffs(dirty) - 1;
 282    n = util_logbase2(dirty) + 1 - i;
 283    assert(n);
 284
 285    address = nvc0->screen->parm->offset + NVE4_CP_INPUT_TEX(i);
 286
 287    BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 288    PUSH_DATAh(push, address);
 289    PUSH_DATA (push, address);
 290    BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 291    PUSH_DATA (push, n * 4);
 292    PUSH_DATA (push, 0x1);
 293    BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + n);
 294    PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
 295    PUSH_DATAp(push, &nvc0->tex_handles[s][i], n);
 296
 297    BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
 298    PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
 299
 300    nvc0->textures_dirty[s] = 0;
 301    nvc0->samplers_dirty[s] = 0;
 302 }
 303
 304 static struct nvc0_state_validate
 305 validate_list_cp[] = {
 306    { nvc0_compprog_validate,              NVC0_NEW_CP_PROGRAM     },
 307    { nve4_compute_validate_textures,      NVC0_NEW_CP_TEXTURES    },
 308    { nve4_compute_validate_samplers,      NVC0_NEW_CP_SAMPLERS    },
 309    { nve4_compute_set_tex_handles,        NVC0_NEW_CP_TEXTURES |
 310                                           NVC0_NEW_CP_SAMPLERS    },
 311    { nve4_compute_validate_surfaces,      NVC0_NEW_CP_SURFACES    },
 312    { nvc0_compute_validate_globals,       NVC0_NEW_CP_GLOBALS     },
 313 };
 314
 315 static bool
 316 nve4_state_validate_cp(struct nvc0_context *nvc0, uint32_t mask)
 317 {
 318    bool ret;
 319
 320    ret = nvc0_state_validate(nvc0, mask, validate_list_cp,
 321                              ARRAY_SIZE(validate_list_cp), &nvc0->dirty_cp,
 322                              nvc0->bufctx_cp);
 323
 324    if (unlikely(nvc0->state.flushed))
 325       nvc0_bufctx_fence(nvc0, nvc0->bufctx_cp, true);
 326    return ret;
 327 }
 328
 329 static void
 330 nve4_compute_upload_input(struct nvc0_context *nvc0, const void *input,
 331                           const uint *block_layout,
 332                           const uint *grid_layout)
 333 {
 334    struct nvc0_screen *screen = nvc0->screen;
 335    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
 336    struct nvc0_program *cp = nvc0->compprog;
 337
 338    if (cp->parm_size) {
 339       BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 340       PUSH_DATAh(push, screen->parm->offset);
 341       PUSH_DATA (push, screen->parm->offset);
 342       BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 343       PUSH_DATA (push, cp->parm_size);
 344       PUSH_DATA (push, 0x1);
 345       BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (cp->parm_size / 4));
 346       PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
 347       PUSH_DATAp(push, input, cp->parm_size / 4);
 348    }
 349    BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 350    PUSH_DATAh(push, screen->parm->offset + NVE4_CP_INPUT_GRID_INFO(0));
 351    PUSH_DATA (push, screen->parm->offset + NVE4_CP_INPUT_GRID_INFO(0));
 352    BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 353    PUSH_DATA (push, 7 * 4);
 354    PUSH_DATA (push, 0x1);
 355    BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 7);
 356    PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
 357    PUSH_DATAp(push, block_layout, 3);
 358    PUSH_DATAp(push, grid_layout, 3);
 359    PUSH_DATA (push, 0);
 360
 361    BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
 362    PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
 363 }
 364
 365 static inline uint8_t
 366 nve4_compute_derive_cache_split(struct nvc0_context *nvc0, uint32_t shared_size)
 367 {
 368    if (shared_size > (32 << 10))
 369       return NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1;
 370    if (shared_size > (16 << 10))
 371       return NVE4_3D_CACHE_SPLIT_32K_SHARED_32K_L1;
 372    return NVC1_3D_CACHE_SPLIT_16K_SHARED_48K_L1;
 373 }
 374
 375 static void
 376 nve4_compute_setup_launch_desc(struct nvc0_context *nvc0,
 377                                struct nve4_cp_launch_desc *desc,
 378                                uint32_t label,
 379                                const uint *block_layout,
 380                                const uint *grid_layout)
 381 {
 382    const struct nvc0_screen *screen = nvc0->screen;
 383    const struct nvc0_program *cp = nvc0->compprog;
 384    unsigned i;
 385
 386    nve4_cp_launch_desc_init_default(desc);
 387
 388    desc->entry = nvc0_program_symbol_offset(cp, label);
 389
 390    desc->griddim_x = grid_layout[0];
 391    desc->griddim_y = grid_layout[1];
 392    desc->griddim_z = grid_layout[2];
 393    desc->blockdim_x = block_layout[0];
 394    desc->blockdim_y = block_layout[1];
 395    desc->blockdim_z = block_layout[2];
 396
 397    desc->shared_size = align(cp->cp.smem_size, 0x100);
 398    desc->local_size_p = align(cp->cp.lmem_size, 0x10);
 399    desc->local_size_n = 0;
 400    desc->cstack_size = 0x800;
 401    desc->cache_split = nve4_compute_derive_cache_split(nvc0, cp->cp.smem_size);
 402
 403    desc->gpr_alloc = cp->num_gprs;
 404    desc->bar_alloc = cp->num_barriers;
 405
 406    for (i = 0; i < 7; ++i) {
 407       const unsigned s = 5;
 408       if (nvc0->constbuf[s][i].u.buf)
 409          nve4_cp_launch_desc_set_ctx_cb(desc, i + 1, &nvc0->constbuf[s][i]);
 410    }
 411    nve4_cp_launch_desc_set_cb(desc, 0, screen->parm, 0, NVE4_CP_INPUT_SIZE);
 412 }
 413
 414 static inline struct nve4_cp_launch_desc *
 415 nve4_compute_alloc_launch_desc(struct nouveau_context *nv,
 416                                struct nouveau_bo **pbo, uint64_t *pgpuaddr)
 417 {
 418    uint8_t *ptr = nouveau_scratch_get(nv, 512, pgpuaddr, pbo);
 419    if (!ptr)
 420       return NULL;
 421    if (*pgpuaddr & 255) {
 422       unsigned adj = 256 - (*pgpuaddr & 255);
 423       ptr += adj;
 424       *pgpuaddr += adj;
 425    }
 426    return (struct nve4_cp_launch_desc *)ptr;
 427 }
 428
 429 void
 430 nve4_launch_grid(struct pipe_context *pipe, const struct pipe_grid_info *info)
 431 {
 432    struct nvc0_context *nvc0 = nvc0_context(pipe);
 433    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
 434    struct nve4_cp_launch_desc *desc;
 435    uint64_t desc_gpuaddr;
 436    struct nouveau_bo *desc_bo;
 437    int ret;
 438
 439    desc = nve4_compute_alloc_launch_desc(&nvc0->base, &desc_bo, &desc_gpuaddr);
 440    if (!desc) {
 441       ret = -1;
 442       goto out;
 443    }
 444    BCTX_REFN_bo(nvc0->bufctx_cp, CP_DESC, NOUVEAU_BO_GART | NOUVEAU_BO_RD,
 445                 desc_bo);
 446
 447    ret = !nve4_state_validate_cp(nvc0, ~0);
 448    if (ret)
 449       goto out;
 450
 451    nve4_compute_setup_launch_desc(nvc0, desc, info->pc,
 452                                   info->block, info->grid);
 453 #ifdef DEBUG
 454    if (debug_get_num_option("NV50_PROG_DEBUG", 0))
 455       nve4_compute_dump_launch_desc(desc);
 456 #endif
 457
 458    nve4_compute_upload_input(nvc0, info->input, info->block, info->grid);
 459
 460    /* upload descriptor and flush */
 461 #if 0
 462    BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 463    PUSH_DATAh(push, desc_gpuaddr);
 464    PUSH_DATA (push, desc_gpuaddr);
 465    BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 466    PUSH_DATA (push, 256);
 467    PUSH_DATA (push, 1);
 468    BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (256 / 4));
 469    PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x08 << 1));
 470    PUSH_DATAp(push, (const uint32_t *)desc, 256 / 4);
 471    BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
 472    PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB | NVE4_COMPUTE_FLUSH_CODE);
 473 #endif
 474    BEGIN_NVC0(push, NVE4_CP(LAUNCH_DESC_ADDRESS), 1);
 475    PUSH_DATA (push, desc_gpuaddr >> 8);
 476    BEGIN_NVC0(push, NVE4_CP(LAUNCH), 1);
 477    PUSH_DATA (push, 0x3);
 478    BEGIN_NVC0(push, SUBC_CP(NV50_GRAPH_SERIALIZE), 1);
 479    PUSH_DATA (push, 0);
 480
 481 out:
 482    if (ret)
 483       NOUVEAU_ERR("Failed to launch grid !\n");
 484    nouveau_scratch_done(&nvc0->base);
 485    nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_DESC);
 486 }
 487
 488
 489 #define NVE4_TIC_ENTRY_INVALID 0x000fffff
 490
 491 static void
 492 nve4_compute_validate_textures(struct nvc0_context *nvc0)
 493 {
 494    struct nouveau_bo *txc = nvc0->screen->txc;
 495    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
 496    const unsigned s = 5;
 497    unsigned i;
 498    uint32_t commands[2][NVE4_CP_INPUT_TEX_MAX];
 499    unsigned n[2] = { 0, 0 };
 500
 501    for (i = 0; i < nvc0->num_textures[s]; ++i) {
 502       struct nv50_tic_entry *tic = nv50_tic_entry(nvc0->textures[s][i]);
 503       struct nv04_resource *res;
 504       const bool dirty = !!(nvc0->textures_dirty[s] & (1 << i));
 505
 506       if (!tic) {
 507          nvc0->tex_handles[s][i] |= NVE4_TIC_ENTRY_INVALID;
 508          continue;
 509       }
 510       res = nv04_resource(tic->pipe.texture);
 511
 512       if (tic->id < 0) {
 513          tic->id = nvc0_screen_tic_alloc(nvc0->screen, tic);
 514
 515          PUSH_SPACE(push, 16);
 516          BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
 517          PUSH_DATAh(push, txc->offset + (tic->id * 32));
 518          PUSH_DATA (push, txc->offset + (tic->id * 32));
 519          BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
 520          PUSH_DATA (push, 32);
 521          PUSH_DATA (push, 1);
 522          BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 9);
 523          PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
 524          PUSH_DATAp(push, &tic->tic[0], 8);
 525
 526          commands[0][n[0]++] = (tic->id << 4) | 1;
 527       } else
 528       if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
 529          commands[1][n[1]++] = (tic->id << 4) | 1;
 530       }
 531       nvc0->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
 532
 533       res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING;
 534       res->status |=  NOUVEAU_BUFFER_STATUS_GPU_READING;
 535
 536       nvc0->tex_handles[s][i] &= ~NVE4_TIC_ENTRY_INVALID;
 537       nvc0->tex_handles[s][i] |= tic->id;
 538       if (dirty)
 539          BCTX_REFN(nvc0->bufctx_cp, CP_TEX(i), res, RD);
 540    }
 541    for (; i < nvc0->state.num_textures[s]; ++i)
 542       nvc0->tex_handles[s][i] |= NVE4_TIC_ENTRY_INVALID;
 543
 544    if (n[0]) {
 545       BEGIN_NIC0(push, NVE4_CP(TIC_FLUSH), n[0]);
 546       PUSH_DATAp(push, commands[0], n[0]);
 547    }
 548    if (n[1]) {
 549       BEGIN_NIC0(push, NVE4_CP(TEX_CACHE_CTL), n[1]);
 550       PUSH_DATAp(push, commands[1], n[1]);
 551    }
 552
 553    nvc0->state.num_textures[s] = nvc0->num_textures[s];
 554 }
 555
 556
 557 #ifdef DEBUG
 558 static const char *nve4_cache_split_name(unsigned value)
 559 {
 560    switch (value) {
 561    case NVC1_3D_CACHE_SPLIT_16K_SHARED_48K_L1: return "16K_SHARED_48K_L1";
 562    case NVE4_3D_CACHE_SPLIT_32K_SHARED_32K_L1: return "32K_SHARED_32K_L1";
 563    case NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1: return "48K_SHARED_16K_L1";
 564    default:
 565       return "(invalid)";
 566    }
 567 }
 568
 569 static void
 570 nve4_compute_dump_launch_desc(const struct nve4_cp_launch_desc *desc)
 571 {
 572    const uint32_t *data = (const uint32_t *)desc;
 573    unsigned i;
 574    bool zero = false;
 575
 576    debug_printf("COMPUTE LAUNCH DESCRIPTOR:\n");
 577
 578    for (i = 0; i < sizeof(*desc); i += 4) {
 579       if (data[i / 4]) {
 580          debug_printf("[%x]: 0x%08x\n", i, data[i / 4]);
 581          zero = false;
 582       } else
 583       if (!zero) {
 584          debug_printf("...\n");
 585          zero = true;
 586       }
 587    }
 588
 589    debug_printf("entry = 0x%x\n", desc->entry);
 590    debug_printf("grid dimensions = %ux%ux%u\n",
 591                 desc->griddim_x, desc->griddim_y, desc->griddim_z);
 592    debug_printf("block dimensions = %ux%ux%u\n",
 593                 desc->blockdim_x, desc->blockdim_y, desc->blockdim_z);
 594    debug_printf("s[] size: 0x%x\n", desc->shared_size);
 595    debug_printf("l[] size: -0x%x / +0x%x\n",
 596                 desc->local_size_n, desc->local_size_p);
 597    debug_printf("stack size: 0x%x\n", desc->cstack_size);
 598    debug_printf("barrier count: %u\n", desc->bar_alloc);
 599    debug_printf("$r count: %u\n", desc->gpr_alloc);
 600    debug_printf("cache split: %s\n", nve4_cache_split_name(desc->cache_split));
 601
 602    for (i = 0; i < 8; ++i) {
 603       uint64_t address;
 604       uint32_t size = desc->cb[i].size;
 605       bool valid = !!(desc->cb_mask & (1 << i));
 606
 607       address = ((uint64_t)desc->cb[i].address_h << 32) | desc->cb[i].address_l;
 608
 609       if (!valid && !address && !size)
 610          continue;
 611       debug_printf("CB[%u]: address = 0x%"PRIx64", size 0x%x%s\n",
 612                    i, address, size, valid ? "" : "  (invalid)");
 613    }
 614 }
 615 #endif
 616
 617 #ifdef NOUVEAU_NVE4_MP_TRAP_HANDLER
 618 static void
 619 nve4_compute_trap_info(struct nvc0_context *nvc0)
 620 {
 621    struct nvc0_screen *screen = nvc0->screen;
 622    struct nouveau_bo *bo = screen->parm;
 623    int ret, i;
 624    volatile struct nve4_mp_trap_info *info;
 625    uint8_t *map;
 626
 627    ret = nouveau_bo_map(bo, NOUVEAU_BO_RDWR, nvc0->base.client);
 628    if (ret)
 629       return;
 630    map = (uint8_t *)bo->map;
 631    info = (volatile struct nve4_mp_trap_info *)(map + NVE4_CP_PARAM_TRAP_INFO);
 632
 633    if (info->lock) {
 634       debug_printf("trapstat = %08x\n", info->trapstat);
 635       debug_printf("warperr = %08x\n", info->warperr);
 636       debug_printf("PC = %x\n", info->pc);
 637       debug_printf("tid = %u %u %u\n",
 638                    info->tid[0], info->tid[1], info->tid[2]);
 639       debug_printf("ctaid = %u %u %u\n",
 640                    info->ctaid[0], info->ctaid[1], info->ctaid[2]);
 641       for (i = 0; i <= 63; ++i)
 642          debug_printf("$r%i = %08x\n", i, info->r[i]);
 643       for (i = 0; i <= 6; ++i)
 644          debug_printf("$p%i = %i\n", i, (info->flags >> i) & 1);
 645       debug_printf("$c = %x\n", info->flags >> 12);
 646    }
 647    info->lock = 0;
 648 }
 649 #endif