drivers/gpu/drm/radeon/evergreen_cs.c

   1 /*
   2  * Copyright 2010 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  * Copyright 2009 Jerome Glisse.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie
  25  *          Alex Deucher
  26  *          Jerome Glisse
  27  */
  28 #include "drmP.h"
  29 #include "radeon.h"
  30 #include "evergreend.h"
  31 #include "evergreen_reg_safe.h"
  32 #include "cayman_reg_safe.h"
  33
  34 #define MAX(a,b)                   (((a)>(b))?(a):(b))
  35 #define MIN(a,b)                   (((a)<(b))?(a):(b))
  36
  37 static int evergreen_cs_packet_next_reloc(struct radeon_cs_parser *p,
  38                                           struct radeon_cs_reloc **cs_reloc);
  39
  40 struct evergreen_cs_track {
  41         u32                     group_size;
  42         u32                     nbanks;
  43         u32                     npipes;
  44         u32                     row_size;
  45         /* value we track */
  46         u32                     nsamples;               /* unused */
  47         struct radeon_bo        *cb_color_bo[12];
  48         u32                     cb_color_bo_offset[12];
  49         struct radeon_bo        *cb_color_fmask_bo[8];  /* unused */
  50         struct radeon_bo        *cb_color_cmask_bo[8];  /* unused */
  51         u32                     cb_color_info[12];
  52         u32                     cb_color_view[12];
  53         u32                     cb_color_pitch[12];
  54         u32                     cb_color_slice[12];
  55         u32                     cb_color_slice_idx[12];
  56         u32                     cb_color_attrib[12];
  57         u32                     cb_color_cmask_slice[8];/* unused */
  58         u32                     cb_color_fmask_slice[8];/* unused */
  59         u32                     cb_target_mask;
  60         u32                     cb_shader_mask; /* unused */
  61         u32                     vgt_strmout_config;
  62         u32                     vgt_strmout_buffer_config;
  63         struct radeon_bo        *vgt_strmout_bo[4];
  64         u32                     vgt_strmout_bo_offset[4];
  65         u32                     vgt_strmout_size[4];
  66         u32                     db_depth_control;
  67         u32                     db_depth_view;
  68         u32                     db_depth_slice;
  69         u32                     db_depth_size;
  70         u32                     db_z_info;
  71         u32                     db_z_read_offset;
  72         u32                     db_z_write_offset;
  73         struct radeon_bo        *db_z_read_bo;
  74         struct radeon_bo        *db_z_write_bo;
  75         u32                     db_s_info;
  76         u32                     db_s_read_offset;
  77         u32                     db_s_write_offset;
  78         struct radeon_bo        *db_s_read_bo;
  79         struct radeon_bo        *db_s_write_bo;
  80         bool                    sx_misc_kill_all_prims;
  81         bool                    cb_dirty;
  82         bool                    db_dirty;
  83         bool                    streamout_dirty;
  84         u32                     htile_offset;
  85         u32                     htile_surface;
  86         struct radeon_bo        *htile_bo;
  87 };
  88
  89 static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
  90 {
  91         if (tiling_flags & RADEON_TILING_MACRO)
  92                 return ARRAY_2D_TILED_THIN1;
  93         else if (tiling_flags & RADEON_TILING_MICRO)
  94                 return ARRAY_1D_TILED_THIN1;
  95         else
  96                 return ARRAY_LINEAR_GENERAL;
  97 }
  98
  99 static u32 evergreen_cs_get_num_banks(u32 nbanks)
 100 {
 101         switch (nbanks) {
 102         case 2:
 103                 return ADDR_SURF_2_BANK;
 104         case 4:
 105                 return ADDR_SURF_4_BANK;
 106         case 8:
 107         default:
 108                 return ADDR_SURF_8_BANK;
 109         case 16:
 110                 return ADDR_SURF_16_BANK;
 111         }
 112 }
 113
 114 static void evergreen_cs_track_init(struct evergreen_cs_track *track)
 115 {
 116         int i;
 117
 118         for (i = 0; i < 8; i++) {
 119                 track->cb_color_fmask_bo[i] = NULL;
 120                 track->cb_color_cmask_bo[i] = NULL;
 121                 track->cb_color_cmask_slice[i] = 0;
 122                 track->cb_color_fmask_slice[i] = 0;
 123         }
 124
 125         for (i = 0; i < 12; i++) {
 126                 track->cb_color_bo[i] = NULL;
 127                 track->cb_color_bo_offset[i] = 0xFFFFFFFF;
 128                 track->cb_color_info[i] = 0;
 129                 track->cb_color_view[i] = 0xFFFFFFFF;
 130                 track->cb_color_pitch[i] = 0;
 131                 track->cb_color_slice[i] = 0xfffffff;
 132                 track->cb_color_slice_idx[i] = 0;
 133         }
 134         track->cb_target_mask = 0xFFFFFFFF;
 135         track->cb_shader_mask = 0xFFFFFFFF;
 136         track->cb_dirty = true;
 137
 138         track->db_depth_slice = 0xffffffff;
 139         track->db_depth_view = 0xFFFFC000;
 140         track->db_depth_size = 0xFFFFFFFF;
 141         track->db_depth_control = 0xFFFFFFFF;
 142         track->db_z_info = 0xFFFFFFFF;
 143         track->db_z_read_offset = 0xFFFFFFFF;
 144         track->db_z_write_offset = 0xFFFFFFFF;
 145         track->db_z_read_bo = NULL;
 146         track->db_z_write_bo = NULL;
 147         track->db_s_info = 0xFFFFFFFF;
 148         track->db_s_read_offset = 0xFFFFFFFF;
 149         track->db_s_write_offset = 0xFFFFFFFF;
 150         track->db_s_read_bo = NULL;
 151         track->db_s_write_bo = NULL;
 152         track->db_dirty = true;
 153         track->htile_bo = NULL;
 154         track->htile_offset = 0xFFFFFFFF;
 155         track->htile_surface = 0;
 156
 157         for (i = 0; i < 4; i++) {
 158                 track->vgt_strmout_size[i] = 0;
 159                 track->vgt_strmout_bo[i] = NULL;
 160                 track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
 161         }
 162         track->streamout_dirty = true;
 163         track->sx_misc_kill_all_prims = false;
 164 }
 165
 166 struct eg_surface {
 167         /* value gathered from cs */
 168         unsigned        nbx;
 169         unsigned        nby;
 170         unsigned        format;
 171         unsigned        mode;
 172         unsigned        nbanks;
 173         unsigned        bankw;
 174         unsigned        bankh;
 175         unsigned        tsplit;
 176         unsigned        mtilea;
 177         unsigned        nsamples;
 178         /* output value */
 179         unsigned        bpe;
 180         unsigned        layer_size;
 181         unsigned        palign;
 182         unsigned        halign;
 183         unsigned long   base_align;
 184 };
 185
 186 static int evergreen_surface_check_linear(struct radeon_cs_parser *p,
 187                                           struct eg_surface *surf,
 188                                           const char *prefix)
 189 {
 190         surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
 191         surf->base_align = surf->bpe;
 192         surf->palign = 1;
 193         surf->halign = 1;
 194         return 0;
 195 }
 196
 197 static int evergreen_surface_check_linear_aligned(struct radeon_cs_parser *p,
 198                                                   struct eg_surface *surf,
 199                                                   const char *prefix)
 200 {
 201         struct evergreen_cs_track *track = p->track;
 202         unsigned palign;
 203
 204         palign = MAX(64, track->group_size / surf->bpe);
 205         surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
 206         surf->base_align = track->group_size;
 207         surf->palign = palign;
 208         surf->halign = 1;
 209         if (surf->nbx & (palign - 1)) {
 210                 if (prefix) {
 211                         dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
 212                                  __func__, __LINE__, prefix, surf->nbx, palign);
 213                 }
 214                 return -EINVAL;
 215         }
 216         return 0;
 217 }
 218
 219 static int evergreen_surface_check_1d(struct radeon_cs_parser *p,
 220                                       struct eg_surface *surf,
 221                                       const char *prefix)
 222 {
 223         struct evergreen_cs_track *track = p->track;
 224         unsigned palign;
 225
 226         palign = track->group_size / (8 * surf->bpe * surf->nsamples);
 227         palign = MAX(8, palign);
 228         surf->layer_size = surf->nbx * surf->nby * surf->bpe;
 229         surf->base_align = track->group_size;
 230         surf->palign = palign;
 231         surf->halign = 8;
 232         if ((surf->nbx & (palign - 1))) {
 233                 if (prefix) {
 234                         dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d (%d %d %d)\n",
 235                                  __func__, __LINE__, prefix, surf->nbx, palign,
 236                                  track->group_size, surf->bpe, surf->nsamples);
 237                 }
 238                 return -EINVAL;
 239         }
 240         if ((surf->nby & (8 - 1))) {
 241                 if (prefix) {
 242                         dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with 8\n",
 243                                  __func__, __LINE__, prefix, surf->nby);
 244                 }
 245                 return -EINVAL;
 246         }
 247         return 0;
 248 }
 249
 250 static int evergreen_surface_check_2d(struct radeon_cs_parser *p,
 251                                       struct eg_surface *surf,
 252                                       const char *prefix)
 253 {
 254         struct evergreen_cs_track *track = p->track;
 255         unsigned palign, halign, tileb, slice_pt;
 256         unsigned mtile_pr, mtile_ps, mtileb;
 257
 258         tileb = 64 * surf->bpe * surf->nsamples;
 259         slice_pt = 1;
 260         if (tileb > surf->tsplit) {
 261                 slice_pt = tileb / surf->tsplit;
 262         }
 263         tileb = tileb / slice_pt;
 264         /* macro tile width & height */
 265         palign = (8 * surf->bankw * track->npipes) * surf->mtilea;
 266         halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea;
 267         mtileb = (palign / 8) * (halign / 8) * tileb;;
 268         mtile_pr = surf->nbx / palign;
 269         mtile_ps = (mtile_pr * surf->nby) / halign;
 270         surf->layer_size = mtile_ps * mtileb * slice_pt;
 271         surf->base_align = (palign / 8) * (halign / 8) * tileb;
 272         surf->palign = palign;
 273         surf->halign = halign;
 274
 275         if ((surf->nbx & (palign - 1))) {
 276                 if (prefix) {
 277                         dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
 278                                  __func__, __LINE__, prefix, surf->nbx, palign);
 279                 }
 280                 return -EINVAL;
 281         }
 282         if ((surf->nby & (halign - 1))) {
 283                 if (prefix) {
 284                         dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with %d\n",
 285                                  __func__, __LINE__, prefix, surf->nby, halign);
 286                 }
 287                 return -EINVAL;
 288         }
 289
 290         return 0;
 291 }
 292
 293 static int evergreen_surface_check(struct radeon_cs_parser *p,
 294                                    struct eg_surface *surf,
 295                                    const char *prefix)
 296 {
 297         /* some common value computed here */
 298         surf->bpe = r600_fmt_get_blocksize(surf->format);
 299
 300         switch (surf->mode) {
 301         case ARRAY_LINEAR_GENERAL:
 302                 return evergreen_surface_check_linear(p, surf, prefix);
 303         case ARRAY_LINEAR_ALIGNED:
 304                 return evergreen_surface_check_linear_aligned(p, surf, prefix);
 305         case ARRAY_1D_TILED_THIN1:
 306                 return evergreen_surface_check_1d(p, surf, prefix);
 307         case ARRAY_2D_TILED_THIN1:
 308                 return evergreen_surface_check_2d(p, surf, prefix);
 309         default:
 310                 dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
 311                                 __func__, __LINE__, prefix, surf->mode);
 312                 return -EINVAL;
 313         }
 314         return -EINVAL;
 315 }
 316
 317 static int evergreen_surface_value_conv_check(struct radeon_cs_parser *p,
 318                                               struct eg_surface *surf,
 319                                               const char *prefix)
 320 {
 321         switch (surf->mode) {
 322         case ARRAY_2D_TILED_THIN1:
 323                 break;
 324         case ARRAY_LINEAR_GENERAL:
 325         case ARRAY_LINEAR_ALIGNED:
 326         case ARRAY_1D_TILED_THIN1:
 327                 return 0;
 328         default:
 329                 dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
 330                                 __func__, __LINE__, prefix, surf->mode);
 331                 return -EINVAL;
 332         }
 333
 334         switch (surf->nbanks) {
 335         case 0: surf->nbanks = 2; break;
 336         case 1: surf->nbanks = 4; break;
 337         case 2: surf->nbanks = 8; break;
 338         case 3: surf->nbanks = 16; break;
 339         default:
 340                 dev_warn(p->dev, "%s:%d %s invalid number of banks %d\n",
 341                          __func__, __LINE__, prefix, surf->nbanks);
 342                 return -EINVAL;
 343         }
 344         switch (surf->bankw) {
 345         case 0: surf->bankw = 1; break;
 346         case 1: surf->bankw = 2; break;
 347         case 2: surf->bankw = 4; break;
 348         case 3: surf->bankw = 8; break;
 349         default:
 350                 dev_warn(p->dev, "%s:%d %s invalid bankw %d\n",
 351                          __func__, __LINE__, prefix, surf->bankw);
 352                 return -EINVAL;
 353         }
 354         switch (surf->bankh) {
 355         case 0: surf->bankh = 1; break;
 356         case 1: surf->bankh = 2; break;
 357         case 2: surf->bankh = 4; break;
 358         case 3: surf->bankh = 8; break;
 359         default:
 360                 dev_warn(p->dev, "%s:%d %s invalid bankh %d\n",
 361                          __func__, __LINE__, prefix, surf->bankh);
 362                 return -EINVAL;
 363         }
 364         switch (surf->mtilea) {
 365         case 0: surf->mtilea = 1; break;
 366         case 1: surf->mtilea = 2; break;
 367         case 2: surf->mtilea = 4; break;
 368         case 3: surf->mtilea = 8; break;
 369         default:
 370                 dev_warn(p->dev, "%s:%d %s invalid macro tile aspect %d\n",
 371                          __func__, __LINE__, prefix, surf->mtilea);
 372                 return -EINVAL;
 373         }
 374         switch (surf->tsplit) {
 375         case 0: surf->tsplit = 64; break;
 376         case 1: surf->tsplit = 128; break;
 377         case 2: surf->tsplit = 256; break;
 378         case 3: surf->tsplit = 512; break;
 379         case 4: surf->tsplit = 1024; break;
 380         case 5: surf->tsplit = 2048; break;
 381         case 6: surf->tsplit = 4096; break;
 382         default:
 383                 dev_warn(p->dev, "%s:%d %s invalid tile split %d\n",
 384                          __func__, __LINE__, prefix, surf->tsplit);
 385                 return -EINVAL;
 386         }
 387         return 0;
 388 }
 389
 390 static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned id)
 391 {
 392         struct evergreen_cs_track *track = p->track;
 393         struct eg_surface surf;
 394         unsigned pitch, slice, mslice;
 395         unsigned long offset;
 396         int r;
 397
 398         mslice = G_028C6C_SLICE_MAX(track->cb_color_view[id]) + 1;
 399         pitch = track->cb_color_pitch[id];
 400         slice = track->cb_color_slice[id];
 401         surf.nbx = (pitch + 1) * 8;
 402         surf.nby = ((slice + 1) * 64) / surf.nbx;
 403         surf.mode = G_028C70_ARRAY_MODE(track->cb_color_info[id]);
 404         surf.format = G_028C70_FORMAT(track->cb_color_info[id]);
 405         surf.tsplit = G_028C74_TILE_SPLIT(track->cb_color_attrib[id]);
 406         surf.nbanks = G_028C74_NUM_BANKS(track->cb_color_attrib[id]);
 407         surf.bankw = G_028C74_BANK_WIDTH(track->cb_color_attrib[id]);
 408         surf.bankh = G_028C74_BANK_HEIGHT(track->cb_color_attrib[id]);
 409         surf.mtilea = G_028C74_MACRO_TILE_ASPECT(track->cb_color_attrib[id]);
 410         surf.nsamples = 1;
 411
 412         if (!r600_fmt_is_valid_color(surf.format)) {
 413                 dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08x)\n",
 414                          __func__, __LINE__, surf.format,
 415                         id, track->cb_color_info[id]);
 416                 return -EINVAL;
 417         }
 418
 419         r = evergreen_surface_value_conv_check(p, &surf, "cb");
 420         if (r) {
 421                 return r;
 422         }
 423
 424         r = evergreen_surface_check(p, &surf, "cb");
 425         if (r) {
 426                 dev_warn(p->dev, "%s:%d cb[%d] invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
 427                          __func__, __LINE__, id, track->cb_color_pitch[id],
 428                          track->cb_color_slice[id], track->cb_color_attrib[id],
 429                          track->cb_color_info[id]);
 430                 return r;
 431         }
 432
 433         offset = track->cb_color_bo_offset[id] << 8;
 434         if (offset & (surf.base_align - 1)) {
 435                 dev_warn(p->dev, "%s:%d cb[%d] bo base %ld not aligned with %ld\n",
 436                          __func__, __LINE__, id, offset, surf.base_align);
 437                 return -EINVAL;
 438         }
 439
 440         offset += surf.layer_size * mslice;
 441         if (offset > radeon_bo_size(track->cb_color_bo[id])) {
 442                 /* old ddx are broken they allocate bo with w*h*bpp but
 443                  * program slice with ALIGN(h, 8), catch this and patch
 444                  * command stream.
 445                  */
 446                 if (!surf.mode) {
 447                         volatile u32 *ib = p->ib.ptr;
 448                         unsigned long tmp, nby, bsize, size, min = 0;
 449
 450                         /* find the height the ddx wants */
 451                         if (surf.nby > 8) {
 452                                 min = surf.nby - 8;
 453                         }
 454                         bsize = radeon_bo_size(track->cb_color_bo[id]);
 455                         tmp = track->cb_color_bo_offset[id] << 8;
 456                         for (nby = surf.nby; nby > min; nby--) {
 457                                 size = nby * surf.nbx * surf.bpe * surf.nsamples;
 458                                 if ((tmp + size * mslice) <= bsize) {
 459                                         break;
 460                                 }
 461                         }
 462                         if (nby > min) {
 463                                 surf.nby = nby;
 464                                 slice = ((nby * surf.nbx) / 64) - 1;
 465                                 if (!evergreen_surface_check(p, &surf, "cb")) {
 466                                         /* check if this one works */
 467                                         tmp += surf.layer_size * mslice;
 468                                         if (tmp <= bsize) {
 469                                                 ib[track->cb_color_slice_idx[id]] = slice;
 470                                                 goto old_ddx_ok;
 471                                         }
 472                                 }
 473                         }
 474                 }
 475                 dev_warn(p->dev, "%s:%d cb[%d] bo too small (layer size %d, "
 476                          "offset %d, max layer %d, bo size %ld, slice %d)\n",
 477                          __func__, __LINE__, id, surf.layer_size,
 478                         track->cb_color_bo_offset[id] << 8, mslice,
 479                         radeon_bo_size(track->cb_color_bo[id]), slice);
 480                 dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
 481                          __func__, __LINE__, surf.nbx, surf.nby,
 482                         surf.mode, surf.bpe, surf.nsamples,
 483                         surf.bankw, surf.bankh,
 484                         surf.tsplit, surf.mtilea);
 485                 return -EINVAL;
 486         }
 487 old_ddx_ok:
 488
 489         return 0;
 490 }
 491
 492 static int evergreen_cs_track_validate_htile(struct radeon_cs_parser *p,
 493                                                 unsigned nbx, unsigned nby)
 494 {
 495         struct evergreen_cs_track *track = p->track;
 496         unsigned long size;
 497
 498         if (track->htile_bo == NULL) {
 499                 dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
 500                                 __func__, __LINE__, track->db_z_info);
 501                 return -EINVAL;
 502         }
 503
 504         if (G_028ABC_LINEAR(track->htile_surface)) {
 505                 /* pitch must be 16 htiles aligned == 16 * 8 pixel aligned */
 506                 nbx = round_up(nbx, 16 * 8);
 507                 /* height is npipes htiles aligned == npipes * 8 pixel aligned */
 508                 nby = round_up(nby, track->npipes * 8);
 509         } else {
 510                 switch (track->npipes) {
 511                 case 8:
 512                         nbx = round_up(nbx, 64 * 8);
 513                         nby = round_up(nby, 64 * 8);
 514                         break;
 515                 case 4:
 516                         nbx = round_up(nbx, 64 * 8);
 517                         nby = round_up(nby, 32 * 8);
 518                         break;
 519                 case 2:
 520                         nbx = round_up(nbx, 32 * 8);
 521                         nby = round_up(nby, 32 * 8);
 522                         break;
 523                 case 1:
 524                         nbx = round_up(nbx, 32 * 8);
 525                         nby = round_up(nby, 16 * 8);
 526                         break;
 527                 default:
 528                         dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
 529                                         __func__, __LINE__, track->npipes);
 530                         return -EINVAL;
 531                 }
 532         }
 533         /* compute number of htile */
 534         nbx = nbx / 8;
 535         nby = nby / 8;
 536         size = nbx * nby * 4;
 537         size += track->htile_offset;
 538
 539         if (size > radeon_bo_size(track->htile_bo)) {
 540                 dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
 541                                 __func__, __LINE__, radeon_bo_size(track->htile_bo),
 542                                 size, nbx, nby);
 543                 return -EINVAL;
 544         }
 545         return 0;
 546 }
 547
 548 static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p)
 549 {
 550         struct evergreen_cs_track *track = p->track;
 551         struct eg_surface surf;
 552         unsigned pitch, slice, mslice;
 553         unsigned long offset;
 554         int r;
 555
 556         mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
 557         pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
 558         slice = track->db_depth_slice;
 559         surf.nbx = (pitch + 1) * 8;
 560         surf.nby = ((slice + 1) * 64) / surf.nbx;
 561         surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
 562         surf.format = G_028044_FORMAT(track->db_s_info);
 563         surf.tsplit = G_028044_TILE_SPLIT(track->db_s_info);
 564         surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
 565         surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
 566         surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
 567         surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
 568         surf.nsamples = 1;
 569
 570         if (surf.format != 1) {
 571                 dev_warn(p->dev, "%s:%d stencil invalid format %d\n",
 572                          __func__, __LINE__, surf.format);
 573                 return -EINVAL;
 574         }
 575         /* replace by color format so we can use same code */
 576         surf.format = V_028C70_COLOR_8;
 577
 578         r = evergreen_surface_value_conv_check(p, &surf, "stencil");
 579         if (r) {
 580                 return r;
 581         }
 582
 583         r = evergreen_surface_check(p, &surf, NULL);
 584         if (r) {
 585                 /* old userspace doesn't compute proper depth/stencil alignment
 586                  * check that alignment against a bigger byte per elements and
 587                  * only report if that alignment is wrong too.
 588                  */
 589                 surf.format = V_028C70_COLOR_8_8_8_8;
 590                 r = evergreen_surface_check(p, &surf, "stencil");
 591                 if (r) {
 592                         dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
 593                                  __func__, __LINE__, track->db_depth_size,
 594                                  track->db_depth_slice, track->db_s_info, track->db_z_info);
 595                 }
 596                 return r;
 597         }
 598
 599         offset = track->db_s_read_offset << 8;
 600         if (offset & (surf.base_align - 1)) {
 601                 dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n",
 602                          __func__, __LINE__, offset, surf.base_align);
 603                 return -EINVAL;
 604         }
 605         offset += surf.layer_size * mslice;
 606         if (offset > radeon_bo_size(track->db_s_read_bo)) {
 607                 dev_warn(p->dev, "%s:%d stencil read bo too small (layer size %d, "
 608                          "offset %ld, max layer %d, bo size %ld)\n",
 609                          __func__, __LINE__, surf.layer_size,
 610                         (unsigned long)track->db_s_read_offset << 8, mslice,
 611                         radeon_bo_size(track->db_s_read_bo));
 612                 dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
 613                          __func__, __LINE__, track->db_depth_size,
 614                          track->db_depth_slice, track->db_s_info, track->db_z_info);
 615                 return -EINVAL;
 616         }
 617
 618         offset = track->db_s_write_offset << 8;
 619         if (offset & (surf.base_align - 1)) {
 620                 dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n",
 621                          __func__, __LINE__, offset, surf.base_align);
 622                 return -EINVAL;
 623         }
 624         offset += surf.layer_size * mslice;
 625         if (offset > radeon_bo_size(track->db_s_write_bo)) {
 626                 dev_warn(p->dev, "%s:%d stencil write bo too small (layer size %d, "
 627                          "offset %ld, max layer %d, bo size %ld)\n",
 628                          __func__, __LINE__, surf.layer_size,
 629                         (unsigned long)track->db_s_write_offset << 8, mslice,
 630                         radeon_bo_size(track->db_s_write_bo));
 631                 return -EINVAL;
 632         }
 633
 634         /* hyperz */
 635         if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
 636                 r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
 637                 if (r) {
 638                         return r;
 639                 }
 640         }
 641
 642         return 0;
 643 }
 644
 645 static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p)
 646 {
 647         struct evergreen_cs_track *track = p->track;
 648         struct eg_surface surf;
 649         unsigned pitch, slice, mslice;
 650         unsigned long offset;
 651         int r;
 652
 653         mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
 654         pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
 655         slice = track->db_depth_slice;
 656         surf.nbx = (pitch + 1) * 8;
 657         surf.nby = ((slice + 1) * 64) / surf.nbx;
 658         surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
 659         surf.format = G_028040_FORMAT(track->db_z_info);
 660         surf.tsplit = G_028040_TILE_SPLIT(track->db_z_info);
 661         surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
 662         surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
 663         surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
 664         surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
 665         surf.nsamples = 1;
 666
 667         switch (surf.format) {
 668         case V_028040_Z_16:
 669                 surf.format = V_028C70_COLOR_16;
 670                 break;
 671         case V_028040_Z_24:
 672         case V_028040_Z_32_FLOAT:
 673                 surf.format = V_028C70_COLOR_8_8_8_8;
 674                 break;
 675         default:
 676                 dev_warn(p->dev, "%s:%d depth invalid format %d\n",
 677                          __func__, __LINE__, surf.format);
 678                 return -EINVAL;
 679         }
 680
 681         r = evergreen_surface_value_conv_check(p, &surf, "depth");
 682         if (r) {
 683                 dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
 684                          __func__, __LINE__, track->db_depth_size,
 685                          track->db_depth_slice, track->db_z_info);
 686                 return r;
 687         }
 688
 689         r = evergreen_surface_check(p, &surf, "depth");
 690         if (r) {
 691                 dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
 692                          __func__, __LINE__, track->db_depth_size,
 693                          track->db_depth_slice, track->db_z_info);
 694                 return r;
 695         }
 696
 697         offset = track->db_z_read_offset << 8;
 698         if (offset & (surf.base_align - 1)) {
 699                 dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n",
 700                          __func__, __LINE__, offset, surf.base_align);
 701                 return -EINVAL;
 702         }
 703         offset += surf.layer_size * mslice;
 704         if (offset > radeon_bo_size(track->db_z_read_bo)) {
 705                 dev_warn(p->dev, "%s:%d depth read bo too small (layer size %d, "
 706                          "offset %ld, max layer %d, bo size %ld)\n",
 707                          __func__, __LINE__, surf.layer_size,
 708                         (unsigned long)track->db_z_read_offset << 8, mslice,
 709                         radeon_bo_size(track->db_z_read_bo));
 710                 return -EINVAL;
 711         }
 712
 713         offset = track->db_z_write_offset << 8;
 714         if (offset & (surf.base_align - 1)) {
 715                 dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n",
 716                          __func__, __LINE__, offset, surf.base_align);
 717                 return -EINVAL;
 718         }
 719         offset += surf.layer_size * mslice;
 720         if (offset > radeon_bo_size(track->db_z_write_bo)) {
 721                 dev_warn(p->dev, "%s:%d depth write bo too small (layer size %d, "
 722                          "offset %ld, max layer %d, bo size %ld)\n",
 723                          __func__, __LINE__, surf.layer_size,
 724                         (unsigned long)track->db_z_write_offset << 8, mslice,
 725                         radeon_bo_size(track->db_z_write_bo));
 726                 return -EINVAL;
 727         }
 728
 729         /* hyperz */
 730         if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
 731                 r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
 732                 if (r) {
 733                         return r;
 734                 }
 735         }
 736
 737         return 0;
 738 }
 739
 740 static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p,
 741                                                struct radeon_bo *texture,
 742                                                struct radeon_bo *mipmap,
 743                                                unsigned idx)
 744 {
 745         struct eg_surface surf;
 746         unsigned long toffset, moffset;
 747         unsigned dim, llevel, mslice, width, height, depth, i;
 748         u32 texdw[8];
 749         int r;
 750
 751         texdw[0] = radeon_get_ib_value(p, idx + 0);
 752         texdw[1] = radeon_get_ib_value(p, idx + 1);
 753         texdw[2] = radeon_get_ib_value(p, idx + 2);
 754         texdw[3] = radeon_get_ib_value(p, idx + 3);
 755         texdw[4] = radeon_get_ib_value(p, idx + 4);
 756         texdw[5] = radeon_get_ib_value(p, idx + 5);
 757         texdw[6] = radeon_get_ib_value(p, idx + 6);
 758         texdw[7] = radeon_get_ib_value(p, idx + 7);
 759         dim = G_030000_DIM(texdw[0]);
 760         llevel = G_030014_LAST_LEVEL(texdw[5]);
 761         mslice = G_030014_LAST_ARRAY(texdw[5]) + 1;
 762         width = G_030000_TEX_WIDTH(texdw[0]) + 1;
 763         height =  G_030004_TEX_HEIGHT(texdw[1]) + 1;
 764         depth = G_030004_TEX_DEPTH(texdw[1]) + 1;
 765         surf.format = G_03001C_DATA_FORMAT(texdw[7]);
 766         surf.nbx = (G_030000_PITCH(texdw[0]) + 1) * 8;
 767         surf.nbx = r600_fmt_get_nblocksx(surf.format, surf.nbx);
 768         surf.nby = r600_fmt_get_nblocksy(surf.format, height);
 769         surf.mode = G_030004_ARRAY_MODE(texdw[1]);
 770         surf.tsplit = G_030018_TILE_SPLIT(texdw[6]);
 771         surf.nbanks = G_03001C_NUM_BANKS(texdw[7]);
 772         surf.bankw = G_03001C_BANK_WIDTH(texdw[7]);
 773         surf.bankh = G_03001C_BANK_HEIGHT(texdw[7]);
 774         surf.mtilea = G_03001C_MACRO_TILE_ASPECT(texdw[7]);
 775         surf.nsamples = 1;
 776         toffset = texdw[2] << 8;
 777         moffset = texdw[3] << 8;
 778
 779         if (!r600_fmt_is_valid_texture(surf.format, p->family)) {
 780                 dev_warn(p->dev, "%s:%d texture invalid format %d\n",
 781                          __func__, __LINE__, surf.format);
 782                 return -EINVAL;
 783         }
 784         switch (dim) {
 785         case V_030000_SQ_TEX_DIM_1D:
 786         case V_030000_SQ_TEX_DIM_2D:
 787         case V_030000_SQ_TEX_DIM_CUBEMAP:
 788         case V_030000_SQ_TEX_DIM_1D_ARRAY:
 789         case V_030000_SQ_TEX_DIM_2D_ARRAY:
 790                 depth = 1;
 791         case V_030000_SQ_TEX_DIM_3D:
 792                 break;
 793         default:
 794                 dev_warn(p->dev, "%s:%d texture invalid dimension %d\n",
 795                          __func__, __LINE__, dim);
 796                 return -EINVAL;
 797         }
 798
 799         r = evergreen_surface_value_conv_check(p, &surf, "texture");
 800         if (r) {
 801                 return r;
 802         }
 803
 804         /* align height */
 805         evergreen_surface_check(p, &surf, NULL);
 806         surf.nby = ALIGN(surf.nby, surf.halign);
 807
 808         r = evergreen_surface_check(p, &surf, "texture");
 809         if (r) {
 810                 dev_warn(p->dev, "%s:%d texture invalid 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
 811                          __func__, __LINE__, texdw[0], texdw[1], texdw[4],
 812                          texdw[5], texdw[6], texdw[7]);
 813                 return r;
 814         }
 815
 816         /* check texture size */
 817         if (toffset & (surf.base_align - 1)) {
 818                 dev_warn(p->dev, "%s:%d texture bo base %ld not aligned with %ld\n",
 819                          __func__, __LINE__, toffset, surf.base_align);
 820                 return -EINVAL;
 821         }
 822         if (moffset & (surf.base_align - 1)) {
 823                 dev_warn(p->dev, "%s:%d mipmap bo base %ld not aligned with %ld\n",
 824                          __func__, __LINE__, moffset, surf.base_align);
 825                 return -EINVAL;
 826         }
 827         if (dim == SQ_TEX_DIM_3D) {
 828                 toffset += surf.layer_size * depth;
 829         } else {
 830                 toffset += surf.layer_size * mslice;
 831         }
 832         if (toffset > radeon_bo_size(texture)) {
 833                 dev_warn(p->dev, "%s:%d texture bo too small (layer size %d, "
 834                          "offset %ld, max layer %d, depth %d, bo size %ld) (%d %d)\n",
 835                          __func__, __LINE__, surf.layer_size,
 836                         (unsigned long)texdw[2] << 8, mslice,
 837                         depth, radeon_bo_size(texture),
 838                         surf.nbx, surf.nby);
 839                 return -EINVAL;
 840         }
 841
 842         /* check mipmap size */
 843         for (i = 1; i <= llevel; i++) {
 844                 unsigned w, h, d;
 845
 846                 w = r600_mip_minify(width, i);
 847                 h = r600_mip_minify(height, i);
 848                 d = r600_mip_minify(depth, i);
 849                 surf.nbx = r600_fmt_get_nblocksx(surf.format, w);
 850                 surf.nby = r600_fmt_get_nblocksy(surf.format, h);
 851
 852                 switch (surf.mode) {
 853                 case ARRAY_2D_TILED_THIN1:
 854                         if (surf.nbx < surf.palign || surf.nby < surf.halign) {
 855                                 surf.mode = ARRAY_1D_TILED_THIN1;
 856                         }
 857                         /* recompute alignment */
 858                         evergreen_surface_check(p, &surf, NULL);
 859                         break;
 860                 case ARRAY_LINEAR_GENERAL:
 861                 case ARRAY_LINEAR_ALIGNED:
 862                 case ARRAY_1D_TILED_THIN1:
 863                         break;
 864                 default:
 865                         dev_warn(p->dev, "%s:%d invalid array mode %d\n",
 866                                  __func__, __LINE__, surf.mode);
 867                         return -EINVAL;
 868                 }
 869                 surf.nbx = ALIGN(surf.nbx, surf.palign);
 870                 surf.nby = ALIGN(surf.nby, surf.halign);
 871
 872                 r = evergreen_surface_check(p, &surf, "mipmap");
 873                 if (r) {
 874                         return r;
 875                 }
 876
 877                 if (dim == SQ_TEX_DIM_3D) {
 878                         moffset += surf.layer_size * d;
 879                 } else {
 880                         moffset += surf.layer_size * mslice;
 881                 }
 882                 if (moffset > radeon_bo_size(mipmap)) {
 883                         dev_warn(p->dev, "%s:%d mipmap [%d] bo too small (layer size %d, "
 884                                         "offset %ld, coffset %ld, max layer %d, depth %d, "
 885                                         "bo size %ld) level0 (%d %d %d)\n",
 886                                         __func__, __LINE__, i, surf.layer_size,
 887                                         (unsigned long)texdw[3] << 8, moffset, mslice,
 888                                         d, radeon_bo_size(mipmap),
 889                                         width, height, depth);
 890                         dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
 891                                  __func__, __LINE__, surf.nbx, surf.nby,
 892                                 surf.mode, surf.bpe, surf.nsamples,
 893                                 surf.bankw, surf.bankh,
 894                                 surf.tsplit, surf.mtilea);
 895                         return -EINVAL;
 896                 }
 897         }
 898
 899         return 0;
 900 }
 901
 902 static int evergreen_cs_track_check(struct radeon_cs_parser *p)
 903 {
 904         struct evergreen_cs_track *track = p->track;
 905         unsigned tmp, i;
 906         int r;
 907         unsigned buffer_mask = 0;
 908
 909         /* check streamout */
 910         if (track->streamout_dirty && track->vgt_strmout_config) {
 911                 for (i = 0; i < 4; i++) {
 912                         if (track->vgt_strmout_config & (1 << i)) {
 913                                 buffer_mask |= (track->vgt_strmout_buffer_config >> (i * 4)) & 0xf;
 914                         }
 915                 }
 916
 917                 for (i = 0; i < 4; i++) {
 918                         if (buffer_mask & (1 << i)) {
 919                                 if (track->vgt_strmout_bo[i]) {
 920                                         u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
 921                                                         (u64)track->vgt_strmout_size[i];
 922                                         if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
 923                                                 DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
 924                                                           i, offset,
 925                                                           radeon_bo_size(track->vgt_strmout_bo[i]));
 926                                                 return -EINVAL;
 927                                         }
 928                                 } else {
 929                                         dev_warn(p->dev, "No buffer for streamout %d\n", i);
 930                                         return -EINVAL;
 931                                 }
 932                         }
 933                 }
 934                 track->streamout_dirty = false;
 935         }
 936
 937         if (track->sx_misc_kill_all_prims)
 938                 return 0;
 939
 940         /* check that we have a cb for each enabled target
 941          */
 942         if (track->cb_dirty) {
 943                 tmp = track->cb_target_mask;
 944                 for (i = 0; i < 8; i++) {
 945                         if ((tmp >> (i * 4)) & 0xF) {
 946                                 /* at least one component is enabled */
 947                                 if (track->cb_color_bo[i] == NULL) {
 948                                         dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
 949                                                 __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
 950                                         return -EINVAL;
 951                                 }
 952                                 /* check cb */
 953                                 r = evergreen_cs_track_validate_cb(p, i);
 954                                 if (r) {
 955                                         return r;
 956                                 }
 957                         }
 958                 }
 959                 track->cb_dirty = false;
 960         }
 961
 962         if (track->db_dirty) {
 963                 /* Check stencil buffer */
 964                 if (G_028800_STENCIL_ENABLE(track->db_depth_control)) {
 965                         r = evergreen_cs_track_validate_stencil(p);
 966                         if (r)
 967                                 return r;
 968                 }
 969                 /* Check depth buffer */
 970                 if (G_028800_Z_ENABLE(track->db_depth_control)) {
 971                         r = evergreen_cs_track_validate_depth(p);
 972                         if (r)
 973                                 return r;
 974                 }
 975                 track->db_dirty = false;
 976         }
 977
 978         return 0;
 979 }
 980
 981 /**
 982  * evergreen_cs_packet_parse() - parse cp packet and point ib index to next packet
 983  * @parser:     parser structure holding parsing context.
 984  * @pkt:        where to store packet informations
 985  *
 986  * Assume that chunk_ib_index is properly set. Will return -EINVAL
 987  * if packet is bigger than remaining ib size. or if packets is unknown.
 988  **/
 989 int evergreen_cs_packet_parse(struct radeon_cs_parser *p,
 990                               struct radeon_cs_packet *pkt,
 991                               unsigned idx)
 992 {
 993         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
 994         uint32_t header;
 995
 996         if (idx >= ib_chunk->length_dw) {
 997                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 998                           idx, ib_chunk->length_dw);
 999                 return -EINVAL;
1000         }
1001         header = radeon_get_ib_value(p, idx);
1002         pkt->idx = idx;
1003         pkt->type = CP_PACKET_GET_TYPE(header);
1004         pkt->count = CP_PACKET_GET_COUNT(header);
1005         pkt->one_reg_wr = 0;
1006         switch (pkt->type) {
1007         case PACKET_TYPE0:
1008                 pkt->reg = CP_PACKET0_GET_REG(header);
1009                 break;
1010         case PACKET_TYPE3:
1011                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
1012                 break;
1013         case PACKET_TYPE2:
1014                 pkt->count = -1;
1015                 break;
1016         default:
1017                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
1018                 return -EINVAL;
1019         }
1020         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
1021                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
1022                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
1023                 return -EINVAL;
1024         }
1025         return 0;
1026 }
1027
1028 /**
1029  * evergreen_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1030  * @parser:             parser structure holding parsing context.
1031  * @data:               pointer to relocation data
1032  * @offset_start:       starting offset
1033  * @offset_mask:        offset mask (to align start offset on)
1034  * @reloc:              reloc informations
1035  *
1036  * Check next packet is relocation packet3, do bo validation and compute
1037  * GPU offset using the provided start.
1038  **/
1039 static int evergreen_cs_packet_next_reloc(struct radeon_cs_parser *p,
1040                                           struct radeon_cs_reloc **cs_reloc)
1041 {
1042         struct radeon_cs_chunk *relocs_chunk;
1043         struct radeon_cs_packet p3reloc;
1044         unsigned idx;
1045         int r;
1046
1047         if (p->chunk_relocs_idx == -1) {
1048                 DRM_ERROR("No relocation chunk !\n");
1049                 return -EINVAL;
1050         }
1051         *cs_reloc = NULL;
1052         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1053         r = evergreen_cs_packet_parse(p, &p3reloc, p->idx);
1054         if (r) {
1055                 return r;
1056         }
1057         p->idx += p3reloc.count + 2;
1058         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1059                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1060                           p3reloc.idx);
1061                 return -EINVAL;
1062         }
1063         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1064         if (idx >= relocs_chunk->length_dw) {
1065                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1066                           idx, relocs_chunk->length_dw);
1067                 return -EINVAL;
1068         }
1069         /* FIXME: we assume reloc size is 4 dwords */
1070         *cs_reloc = p->relocs_ptr[(idx / 4)];
1071         return 0;
1072 }
1073
1074 /**
1075  * evergreen_cs_packet_next_vline() - parse userspace VLINE packet
1076  * @parser:             parser structure holding parsing context.
1077  *
1078  * Userspace sends a special sequence for VLINE waits.
1079  * PACKET0 - VLINE_START_END + value
1080  * PACKET3 - WAIT_REG_MEM poll vline status reg
1081  * RELOC (P3) - crtc_id in reloc.
1082  *
1083  * This function parses this and relocates the VLINE START END
1084  * and WAIT_REG_MEM packets to the correct crtc.
1085  * It also detects a switched off crtc and nulls out the
1086  * wait in that case.
1087  */
1088 static int evergreen_cs_packet_parse_vline(struct radeon_cs_parser *p)
1089 {
1090         struct drm_mode_object *obj;
1091         struct drm_crtc *crtc;
1092         struct radeon_crtc *radeon_crtc;
1093         struct radeon_cs_packet p3reloc, wait_reg_mem;
1094         int crtc_id;
1095         int r;
1096         uint32_t header, h_idx, reg, wait_reg_mem_info;
1097         volatile uint32_t *ib;
1098
1099         ib = p->ib.ptr;
1100
1101         /* parse the WAIT_REG_MEM */
1102         r = evergreen_cs_packet_parse(p, &wait_reg_mem, p->idx);
1103         if (r)
1104                 return r;
1105
1106         /* check its a WAIT_REG_MEM */
1107         if (wait_reg_mem.type != PACKET_TYPE3 ||
1108             wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
1109                 DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
1110                 return -EINVAL;
1111         }
1112
1113         wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
1114         /* bit 4 is reg (0) or mem (1) */
1115         if (wait_reg_mem_info & 0x10) {
1116                 DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
1117                 return -EINVAL;
1118         }
1119         /* waiting for value to be equal */
1120         if ((wait_reg_mem_info & 0x7) != 0x3) {
1121                 DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
1122                 return -EINVAL;
1123         }
1124         if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != EVERGREEN_VLINE_STATUS) {
1125                 DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
1126                 return -EINVAL;
1127         }
1128
1129         if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != EVERGREEN_VLINE_STAT) {
1130                 DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
1131                 return -EINVAL;
1132         }
1133
1134         /* jump over the NOP */
1135         r = evergreen_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
1136         if (r)
1137                 return r;
1138
1139         h_idx = p->idx - 2;
1140         p->idx += wait_reg_mem.count + 2;
1141         p->idx += p3reloc.count + 2;
1142
1143         header = radeon_get_ib_value(p, h_idx);
1144         crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
1145         reg = CP_PACKET0_GET_REG(header);
1146         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1147         if (!obj) {
1148                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1149                 return -EINVAL;
1150         }
1151         crtc = obj_to_crtc(obj);
1152         radeon_crtc = to_radeon_crtc(crtc);
1153         crtc_id = radeon_crtc->crtc_id;
1154
1155         if (!crtc->enabled) {
1156                 /* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
1157                 ib[h_idx + 2] = PACKET2(0);
1158                 ib[h_idx + 3] = PACKET2(0);
1159                 ib[h_idx + 4] = PACKET2(0);
1160                 ib[h_idx + 5] = PACKET2(0);
1161                 ib[h_idx + 6] = PACKET2(0);
1162                 ib[h_idx + 7] = PACKET2(0);
1163                 ib[h_idx + 8] = PACKET2(0);
1164         } else {
1165                 switch (reg) {
1166                 case EVERGREEN_VLINE_START_END:
1167                         header &= ~R600_CP_PACKET0_REG_MASK;
1168                         header |= (EVERGREEN_VLINE_START_END + radeon_crtc->crtc_offset) >> 2;
1169                         ib[h_idx] = header;
1170                         ib[h_idx + 4] = (EVERGREEN_VLINE_STATUS + radeon_crtc->crtc_offset) >> 2;
1171                         break;
1172                 default:
1173                         DRM_ERROR("unknown crtc reloc\n");
1174                         return -EINVAL;
1175                 }
1176         }
1177         return 0;
1178 }
1179
1180 static int evergreen_packet0_check(struct radeon_cs_parser *p,
1181                                    struct radeon_cs_packet *pkt,
1182                                    unsigned idx, unsigned reg)
1183 {
1184         int r;
1185
1186         switch (reg) {
1187         case EVERGREEN_VLINE_START_END:
1188                 r = evergreen_cs_packet_parse_vline(p);
1189                 if (r) {
1190                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1191                                         idx, reg);
1192                         return r;
1193                 }
1194                 break;
1195         default:
1196                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1197                        reg, idx);
1198                 return -EINVAL;
1199         }
1200         return 0;
1201 }
1202
1203 static int evergreen_cs_parse_packet0(struct radeon_cs_parser *p,
1204                                       struct radeon_cs_packet *pkt)
1205 {
1206         unsigned reg, i;
1207         unsigned idx;
1208         int r;
1209
1210         idx = pkt->idx + 1;
1211         reg = pkt->reg;
1212         for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
1213                 r = evergreen_packet0_check(p, pkt, idx, reg);
1214                 if (r) {
1215                         return r;
1216                 }
1217         }
1218         return 0;
1219 }
1220
1221 /**
1222  * evergreen_cs_check_reg() - check if register is authorized or not
1223  * @parser: parser structure holding parsing context
1224  * @reg: register we are testing
1225  * @idx: index into the cs buffer
1226  *
1227  * This function will test against evergreen_reg_safe_bm and return 0
1228  * if register is safe. If register is not flag as safe this function
1229  * will test it against a list of register needind special handling.
1230  */
1231 static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1232 {
1233         struct evergreen_cs_track *track = (struct evergreen_cs_track *)p->track;
1234         struct radeon_cs_reloc *reloc;
1235         u32 last_reg;
1236         u32 m, i, tmp, *ib;
1237         int r;
1238
1239         if (p->rdev->family >= CHIP_CAYMAN)
1240                 last_reg = ARRAY_SIZE(cayman_reg_safe_bm);
1241         else
1242                 last_reg = ARRAY_SIZE(evergreen_reg_safe_bm);
1243
1244         i = (reg >> 7);
1245         if (i >= last_reg) {
1246                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1247                 return -EINVAL;
1248         }
1249         m = 1 << ((reg >> 2) & 31);
1250         if (p->rdev->family >= CHIP_CAYMAN) {
1251                 if (!(cayman_reg_safe_bm[i] & m))
1252                         return 0;
1253         } else {
1254                 if (!(evergreen_reg_safe_bm[i] & m))
1255                         return 0;
1256         }
1257         ib = p->ib.ptr;
1258         switch (reg) {
1259         /* force following reg to 0 in an attempt to disable out buffer
1260          * which will need us to better understand how it works to perform
1261          * security check on it (Jerome)
1262          */
1263         case SQ_ESGS_RING_SIZE:
1264         case SQ_GSVS_RING_SIZE:
1265         case SQ_ESTMP_RING_SIZE:
1266         case SQ_GSTMP_RING_SIZE:
1267         case SQ_HSTMP_RING_SIZE:
1268         case SQ_LSTMP_RING_SIZE:
1269         case SQ_PSTMP_RING_SIZE:
1270         case SQ_VSTMP_RING_SIZE:
1271         case SQ_ESGS_RING_ITEMSIZE:
1272         case SQ_ESTMP_RING_ITEMSIZE:
1273         case SQ_GSTMP_RING_ITEMSIZE:
1274         case SQ_GSVS_RING_ITEMSIZE:
1275         case SQ_GS_VERT_ITEMSIZE:
1276         case SQ_GS_VERT_ITEMSIZE_1:
1277         case SQ_GS_VERT_ITEMSIZE_2:
1278         case SQ_GS_VERT_ITEMSIZE_3:
1279         case SQ_GSVS_RING_OFFSET_1:
1280         case SQ_GSVS_RING_OFFSET_2:
1281         case SQ_GSVS_RING_OFFSET_3:
1282         case SQ_HSTMP_RING_ITEMSIZE:
1283         case SQ_LSTMP_RING_ITEMSIZE:
1284         case SQ_PSTMP_RING_ITEMSIZE:
1285         case SQ_VSTMP_RING_ITEMSIZE:
1286         case VGT_TF_RING_SIZE:
1287                 /* get value to populate the IB don't remove */
1288                 /*tmp =radeon_get_ib_value(p, idx);
1289                   ib[idx] = 0;*/
1290                 break;
1291         case SQ_ESGS_RING_BASE:
1292         case SQ_GSVS_RING_BASE:
1293         case SQ_ESTMP_RING_BASE:
1294         case SQ_GSTMP_RING_BASE:
1295         case SQ_HSTMP_RING_BASE:
1296         case SQ_LSTMP_RING_BASE:
1297         case SQ_PSTMP_RING_BASE:
1298         case SQ_VSTMP_RING_BASE:
1299                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1300                 if (r) {
1301                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1302                                         "0x%04X\n", reg);
1303                         return -EINVAL;
1304                 }
1305                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1306                 break;
1307         case DB_DEPTH_CONTROL:
1308                 track->db_depth_control = radeon_get_ib_value(p, idx);
1309                 track->db_dirty = true;
1310                 break;
1311         case CAYMAN_DB_EQAA:
1312                 if (p->rdev->family < CHIP_CAYMAN) {
1313                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1314                                  "0x%04X\n", reg);
1315                         return -EINVAL;
1316                 }
1317                 break;
1318         case CAYMAN_DB_DEPTH_INFO:
1319                 if (p->rdev->family < CHIP_CAYMAN) {
1320                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1321                                  "0x%04X\n", reg);
1322                         return -EINVAL;
1323                 }
1324                 break;
1325         case DB_Z_INFO:
1326                 track->db_z_info = radeon_get_ib_value(p, idx);
1327                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1328                         r = evergreen_cs_packet_next_reloc(p, &reloc);
1329                         if (r) {
1330                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1331                                                 "0x%04X\n", reg);
1332                                 return -EINVAL;
1333                         }
1334                         ib[idx] &= ~Z_ARRAY_MODE(0xf);
1335                         track->db_z_info &= ~Z_ARRAY_MODE(0xf);
1336                         ib[idx] |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
1337                         track->db_z_info |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
1338                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1339                                 unsigned bankw, bankh, mtaspect, tile_split;
1340
1341                                 evergreen_tiling_fields(reloc->lobj.tiling_flags,
1342                                                         &bankw, &bankh, &mtaspect,
1343                                                         &tile_split);
1344                                 ib[idx] |= DB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1345                                 ib[idx] |= DB_TILE_SPLIT(tile_split) |
1346                                                 DB_BANK_WIDTH(bankw) |
1347                                                 DB_BANK_HEIGHT(bankh) |
1348                                                 DB_MACRO_TILE_ASPECT(mtaspect);
1349                         }
1350                 }
1351                 track->db_dirty = true;
1352                 break;
1353         case DB_STENCIL_INFO:
1354                 track->db_s_info = radeon_get_ib_value(p, idx);
1355                 track->db_dirty = true;
1356                 break;
1357         case DB_DEPTH_VIEW:
1358                 track->db_depth_view = radeon_get_ib_value(p, idx);
1359                 track->db_dirty = true;
1360                 break;
1361         case DB_DEPTH_SIZE:
1362                 track->db_depth_size = radeon_get_ib_value(p, idx);
1363                 track->db_dirty = true;
1364                 break;
1365         case R_02805C_DB_DEPTH_SLICE:
1366                 track->db_depth_slice = radeon_get_ib_value(p, idx);
1367                 track->db_dirty = true;
1368                 break;
1369         case DB_Z_READ_BASE:
1370                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1371                 if (r) {
1372                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1373                                         "0x%04X\n", reg);
1374                         return -EINVAL;
1375                 }
1376                 track->db_z_read_offset = radeon_get_ib_value(p, idx);
1377                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1378                 track->db_z_read_bo = reloc->robj;
1379                 track->db_dirty = true;
1380                 break;
1381         case DB_Z_WRITE_BASE:
1382                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1383                 if (r) {
1384                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1385                                         "0x%04X\n", reg);
1386                         return -EINVAL;
1387                 }
1388                 track->db_z_write_offset = radeon_get_ib_value(p, idx);
1389                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1390                 track->db_z_write_bo = reloc->robj;
1391                 track->db_dirty = true;
1392                 break;
1393         case DB_STENCIL_READ_BASE:
1394                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1395                 if (r) {
1396                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1397                                         "0x%04X\n", reg);
1398                         return -EINVAL;
1399                 }
1400                 track->db_s_read_offset = radeon_get_ib_value(p, idx);
1401                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1402                 track->db_s_read_bo = reloc->robj;
1403                 track->db_dirty = true;
1404                 break;
1405         case DB_STENCIL_WRITE_BASE:
1406                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1407                 if (r) {
1408                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1409                                         "0x%04X\n", reg);
1410                         return -EINVAL;
1411                 }
1412                 track->db_s_write_offset = radeon_get_ib_value(p, idx);
1413                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1414                 track->db_s_write_bo = reloc->robj;
1415                 track->db_dirty = true;
1416                 break;
1417         case VGT_STRMOUT_CONFIG:
1418                 track->vgt_strmout_config = radeon_get_ib_value(p, idx);
1419                 track->streamout_dirty = true;
1420                 break;
1421         case VGT_STRMOUT_BUFFER_CONFIG:
1422                 track->vgt_strmout_buffer_config = radeon_get_ib_value(p, idx);
1423                 track->streamout_dirty = true;
1424                 break;
1425         case VGT_STRMOUT_BUFFER_BASE_0:
1426         case VGT_STRMOUT_BUFFER_BASE_1:
1427         case VGT_STRMOUT_BUFFER_BASE_2:
1428         case VGT_STRMOUT_BUFFER_BASE_3:
1429                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1430                 if (r) {
1431                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1432                                         "0x%04X\n", reg);
1433                         return -EINVAL;
1434                 }
1435                 tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1436                 track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1437                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1438                 track->vgt_strmout_bo[tmp] = reloc->robj;
1439                 track->streamout_dirty = true;
1440                 break;
1441         case VGT_STRMOUT_BUFFER_SIZE_0:
1442         case VGT_STRMOUT_BUFFER_SIZE_1:
1443         case VGT_STRMOUT_BUFFER_SIZE_2:
1444         case VGT_STRMOUT_BUFFER_SIZE_3:
1445                 tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1446                 /* size in register is DWs, convert to bytes */
1447                 track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1448                 track->streamout_dirty = true;
1449                 break;
1450         case CP_COHER_BASE:
1451                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1452                 if (r) {
1453                         dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1454                                         "0x%04X\n", reg);
1455                         return -EINVAL;
1456                 }
1457                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1458         case CB_TARGET_MASK:
1459                 track->cb_target_mask = radeon_get_ib_value(p, idx);
1460                 track->cb_dirty = true;
1461                 break;
1462         case CB_SHADER_MASK:
1463                 track->cb_shader_mask = radeon_get_ib_value(p, idx);
1464                 track->cb_dirty = true;
1465                 break;
1466         case PA_SC_AA_CONFIG:
1467                 if (p->rdev->family >= CHIP_CAYMAN) {
1468                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1469                                  "0x%04X\n", reg);
1470                         return -EINVAL;
1471                 }
1472                 tmp = radeon_get_ib_value(p, idx) & MSAA_NUM_SAMPLES_MASK;
1473                 track->nsamples = 1 << tmp;
1474                 break;
1475         case CAYMAN_PA_SC_AA_CONFIG:
1476                 if (p->rdev->family < CHIP_CAYMAN) {
1477                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1478                                  "0x%04X\n", reg);
1479                         return -EINVAL;
1480                 }
1481                 tmp = radeon_get_ib_value(p, idx) & CAYMAN_MSAA_NUM_SAMPLES_MASK;
1482                 track->nsamples = 1 << tmp;
1483                 break;
1484         case CB_COLOR0_VIEW:
1485         case CB_COLOR1_VIEW:
1486         case CB_COLOR2_VIEW:
1487         case CB_COLOR3_VIEW:
1488         case CB_COLOR4_VIEW:
1489         case CB_COLOR5_VIEW:
1490         case CB_COLOR6_VIEW:
1491         case CB_COLOR7_VIEW:
1492                 tmp = (reg - CB_COLOR0_VIEW) / 0x3c;
1493                 track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1494                 track->cb_dirty = true;
1495                 break;
1496         case CB_COLOR8_VIEW:
1497         case CB_COLOR9_VIEW:
1498         case CB_COLOR10_VIEW:
1499         case CB_COLOR11_VIEW:
1500                 tmp = ((reg - CB_COLOR8_VIEW) / 0x1c) + 8;
1501                 track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1502                 track->cb_dirty = true;
1503                 break;
1504         case CB_COLOR0_INFO:
1505         case CB_COLOR1_INFO:
1506         case CB_COLOR2_INFO:
1507         case CB_COLOR3_INFO:
1508         case CB_COLOR4_INFO:
1509         case CB_COLOR5_INFO:
1510         case CB_COLOR6_INFO:
1511         case CB_COLOR7_INFO:
1512                 tmp = (reg - CB_COLOR0_INFO) / 0x3c;
1513                 track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1514                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1515                         r = evergreen_cs_packet_next_reloc(p, &reloc);
1516                         if (r) {
1517                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1518                                                 "0x%04X\n", reg);
1519                                 return -EINVAL;
1520                         }
1521                         ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
1522                         track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
1523                 }
1524                 track->cb_dirty = true;
1525                 break;
1526         case CB_COLOR8_INFO:
1527         case CB_COLOR9_INFO:
1528         case CB_COLOR10_INFO:
1529         case CB_COLOR11_INFO:
1530                 tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
1531                 track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1532                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1533                         r = evergreen_cs_packet_next_reloc(p, &reloc);
1534                         if (r) {
1535                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1536                                                 "0x%04X\n", reg);
1537                                 return -EINVAL;
1538                         }
1539                         ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
1540                         track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
1541                 }
1542                 track->cb_dirty = true;
1543                 break;
1544         case CB_COLOR0_PITCH:
1545         case CB_COLOR1_PITCH:
1546         case CB_COLOR2_PITCH:
1547         case CB_COLOR3_PITCH:
1548         case CB_COLOR4_PITCH:
1549         case CB_COLOR5_PITCH:
1550         case CB_COLOR6_PITCH:
1551         case CB_COLOR7_PITCH:
1552                 tmp = (reg - CB_COLOR0_PITCH) / 0x3c;
1553                 track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
1554                 track->cb_dirty = true;
1555                 break;
1556         case CB_COLOR8_PITCH:
1557         case CB_COLOR9_PITCH:
1558         case CB_COLOR10_PITCH:
1559         case CB_COLOR11_PITCH:
1560                 tmp = ((reg - CB_COLOR8_PITCH) / 0x1c) + 8;
1561                 track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
1562                 track->cb_dirty = true;
1563                 break;
1564         case CB_COLOR0_SLICE:
1565         case CB_COLOR1_SLICE:
1566         case CB_COLOR2_SLICE:
1567         case CB_COLOR3_SLICE:
1568         case CB_COLOR4_SLICE:
1569         case CB_COLOR5_SLICE:
1570         case CB_COLOR6_SLICE:
1571         case CB_COLOR7_SLICE:
1572                 tmp = (reg - CB_COLOR0_SLICE) / 0x3c;
1573                 track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
1574                 track->cb_color_slice_idx[tmp] = idx;
1575                 track->cb_dirty = true;
1576                 break;
1577         case CB_COLOR8_SLICE:
1578         case CB_COLOR9_SLICE:
1579         case CB_COLOR10_SLICE:
1580         case CB_COLOR11_SLICE:
1581                 tmp = ((reg - CB_COLOR8_SLICE) / 0x1c) + 8;
1582                 track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
1583                 track->cb_color_slice_idx[tmp] = idx;
1584                 track->cb_dirty = true;
1585                 break;
1586         case CB_COLOR0_ATTRIB:
1587         case CB_COLOR1_ATTRIB:
1588         case CB_COLOR2_ATTRIB:
1589         case CB_COLOR3_ATTRIB:
1590         case CB_COLOR4_ATTRIB:
1591         case CB_COLOR5_ATTRIB:
1592         case CB_COLOR6_ATTRIB:
1593         case CB_COLOR7_ATTRIB:
1594                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1595                 if (r) {
1596                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1597                                         "0x%04X\n", reg);
1598                         return -EINVAL;
1599                 }
1600                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1601                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1602                                 unsigned bankw, bankh, mtaspect, tile_split;
1603
1604                                 evergreen_tiling_fields(reloc->lobj.tiling_flags,
1605                                                         &bankw, &bankh, &mtaspect,
1606                                                         &tile_split);
1607                                 ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1608                                 ib[idx] |= CB_TILE_SPLIT(tile_split) |
1609                                            CB_BANK_WIDTH(bankw) |
1610                                            CB_BANK_HEIGHT(bankh) |
1611                                            CB_MACRO_TILE_ASPECT(mtaspect);
1612                         }
1613                 }
1614                 tmp = ((reg - CB_COLOR0_ATTRIB) / 0x3c);
1615                 track->cb_color_attrib[tmp] = ib[idx];
1616                 track->cb_dirty = true;
1617                 break;
1618         case CB_COLOR8_ATTRIB:
1619         case CB_COLOR9_ATTRIB:
1620         case CB_COLOR10_ATTRIB:
1621         case CB_COLOR11_ATTRIB:
1622                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1623                 if (r) {
1624                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1625                                         "0x%04X\n", reg);
1626                         return -EINVAL;
1627                 }
1628                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1629                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1630                                 unsigned bankw, bankh, mtaspect, tile_split;
1631
1632                                 evergreen_tiling_fields(reloc->lobj.tiling_flags,
1633                                                         &bankw, &bankh, &mtaspect,
1634                                                         &tile_split);
1635                                 ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1636                                 ib[idx] |= CB_TILE_SPLIT(tile_split) |
1637                                            CB_BANK_WIDTH(bankw) |
1638                                            CB_BANK_HEIGHT(bankh) |
1639                                            CB_MACRO_TILE_ASPECT(mtaspect);
1640                         }
1641                 }
1642                 tmp = ((reg - CB_COLOR8_ATTRIB) / 0x1c) + 8;
1643                 track->cb_color_attrib[tmp] = ib[idx];
1644                 track->cb_dirty = true;
1645                 break;
1646         case CB_COLOR0_FMASK:
1647         case CB_COLOR1_FMASK:
1648         case CB_COLOR2_FMASK:
1649         case CB_COLOR3_FMASK:
1650         case CB_COLOR4_FMASK:
1651         case CB_COLOR5_FMASK:
1652         case CB_COLOR6_FMASK:
1653         case CB_COLOR7_FMASK:
1654                 tmp = (reg - CB_COLOR0_FMASK) / 0x3c;
1655                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1656                 if (r) {
1657                         dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1658                         return -EINVAL;
1659                 }
1660                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1661                 track->cb_color_fmask_bo[tmp] = reloc->robj;
1662                 break;
1663         case CB_COLOR0_CMASK:
1664         case CB_COLOR1_CMASK:
1665         case CB_COLOR2_CMASK:
1666         case CB_COLOR3_CMASK:
1667         case CB_COLOR4_CMASK:
1668         case CB_COLOR5_CMASK:
1669         case CB_COLOR6_CMASK:
1670         case CB_COLOR7_CMASK:
1671                 tmp = (reg - CB_COLOR0_CMASK) / 0x3c;
1672                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1673                 if (r) {
1674                         dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1675                         return -EINVAL;
1676                 }
1677                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1678                 track->cb_color_cmask_bo[tmp] = reloc->robj;
1679                 break;
1680         case CB_COLOR0_FMASK_SLICE:
1681         case CB_COLOR1_FMASK_SLICE:
1682         case CB_COLOR2_FMASK_SLICE:
1683         case CB_COLOR3_FMASK_SLICE:
1684         case CB_COLOR4_FMASK_SLICE:
1685         case CB_COLOR5_FMASK_SLICE:
1686         case CB_COLOR6_FMASK_SLICE:
1687         case CB_COLOR7_FMASK_SLICE:
1688                 tmp = (reg - CB_COLOR0_FMASK_SLICE) / 0x3c;
1689                 track->cb_color_fmask_slice[tmp] = radeon_get_ib_value(p, idx);
1690                 break;
1691         case CB_COLOR0_CMASK_SLICE:
1692         case CB_COLOR1_CMASK_SLICE:
1693         case CB_COLOR2_CMASK_SLICE:
1694         case CB_COLOR3_CMASK_SLICE:
1695         case CB_COLOR4_CMASK_SLICE:
1696         case CB_COLOR5_CMASK_SLICE:
1697         case CB_COLOR6_CMASK_SLICE:
1698         case CB_COLOR7_CMASK_SLICE:
1699                 tmp = (reg - CB_COLOR0_CMASK_SLICE) / 0x3c;
1700                 track->cb_color_cmask_slice[tmp] = radeon_get_ib_value(p, idx);
1701                 break;
1702         case CB_COLOR0_BASE:
1703         case CB_COLOR1_BASE:
1704         case CB_COLOR2_BASE:
1705         case CB_COLOR3_BASE:
1706         case CB_COLOR4_BASE:
1707         case CB_COLOR5_BASE:
1708         case CB_COLOR6_BASE:
1709         case CB_COLOR7_BASE:
1710                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1711                 if (r) {
1712                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1713                                         "0x%04X\n", reg);
1714                         return -EINVAL;
1715                 }
1716                 tmp = (reg - CB_COLOR0_BASE) / 0x3c;
1717                 track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
1718                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1719                 track->cb_color_bo[tmp] = reloc->robj;
1720                 track->cb_dirty = true;
1721                 break;
1722         case CB_COLOR8_BASE:
1723         case CB_COLOR9_BASE:
1724         case CB_COLOR10_BASE:
1725         case CB_COLOR11_BASE:
1726                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1727                 if (r) {
1728                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1729                                         "0x%04X\n", reg);
1730                         return -EINVAL;
1731                 }
1732                 tmp = ((reg - CB_COLOR8_BASE) / 0x1c) + 8;
1733                 track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
1734                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1735                 track->cb_color_bo[tmp] = reloc->robj;
1736                 track->cb_dirty = true;
1737                 break;
1738         case DB_HTILE_DATA_BASE:
1739                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1740                 if (r) {
1741                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1742                                         "0x%04X\n", reg);
1743                         return -EINVAL;
1744                 }
1745                 track->htile_offset = radeon_get_ib_value(p, idx);
1746                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1747                 track->htile_bo = reloc->robj;
1748                 track->db_dirty = true;
1749                 break;
1750         case DB_HTILE_SURFACE:
1751                 /* 8x8 only */
1752                 track->htile_surface = radeon_get_ib_value(p, idx);
1753                 track->db_dirty = true;
1754                 break;
1755         case CB_IMMED0_BASE:
1756         case CB_IMMED1_BASE:
1757         case CB_IMMED2_BASE:
1758         case CB_IMMED3_BASE:
1759         case CB_IMMED4_BASE:
1760         case CB_IMMED5_BASE:
1761         case CB_IMMED6_BASE:
1762         case CB_IMMED7_BASE:
1763         case CB_IMMED8_BASE:
1764         case CB_IMMED9_BASE:
1765         case CB_IMMED10_BASE:
1766         case CB_IMMED11_BASE:
1767         case SQ_PGM_START_FS:
1768         case SQ_PGM_START_ES:
1769         case SQ_PGM_START_VS:
1770         case SQ_PGM_START_GS:
1771         case SQ_PGM_START_PS:
1772         case SQ_PGM_START_HS:
1773         case SQ_PGM_START_LS:
1774         case SQ_CONST_MEM_BASE:
1775         case SQ_ALU_CONST_CACHE_GS_0:
1776         case SQ_ALU_CONST_CACHE_GS_1:
1777         case SQ_ALU_CONST_CACHE_GS_2:
1778         case SQ_ALU_CONST_CACHE_GS_3:
1779         case SQ_ALU_CONST_CACHE_GS_4:
1780         case SQ_ALU_CONST_CACHE_GS_5:
1781         case SQ_ALU_CONST_CACHE_GS_6:
1782         case SQ_ALU_CONST_CACHE_GS_7:
1783         case SQ_ALU_CONST_CACHE_GS_8:
1784         case SQ_ALU_CONST_CACHE_GS_9:
1785         case SQ_ALU_CONST_CACHE_GS_10:
1786         case SQ_ALU_CONST_CACHE_GS_11:
1787         case SQ_ALU_CONST_CACHE_GS_12:
1788         case SQ_ALU_CONST_CACHE_GS_13:
1789         case SQ_ALU_CONST_CACHE_GS_14:
1790         case SQ_ALU_CONST_CACHE_GS_15:
1791         case SQ_ALU_CONST_CACHE_PS_0:
1792         case SQ_ALU_CONST_CACHE_PS_1:
1793         case SQ_ALU_CONST_CACHE_PS_2:
1794         case SQ_ALU_CONST_CACHE_PS_3:
1795         case SQ_ALU_CONST_CACHE_PS_4:
1796         case SQ_ALU_CONST_CACHE_PS_5:
1797         case SQ_ALU_CONST_CACHE_PS_6:
1798         case SQ_ALU_CONST_CACHE_PS_7:
1799         case SQ_ALU_CONST_CACHE_PS_8:
1800         case SQ_ALU_CONST_CACHE_PS_9:
1801         case SQ_ALU_CONST_CACHE_PS_10:
1802         case SQ_ALU_CONST_CACHE_PS_11:
1803         case SQ_ALU_CONST_CACHE_PS_12:
1804         case SQ_ALU_CONST_CACHE_PS_13:
1805         case SQ_ALU_CONST_CACHE_PS_14:
1806         case SQ_ALU_CONST_CACHE_PS_15:
1807         case SQ_ALU_CONST_CACHE_VS_0:
1808         case SQ_ALU_CONST_CACHE_VS_1:
1809         case SQ_ALU_CONST_CACHE_VS_2:
1810         case SQ_ALU_CONST_CACHE_VS_3:
1811         case SQ_ALU_CONST_CACHE_VS_4:
1812         case SQ_ALU_CONST_CACHE_VS_5:
1813         case SQ_ALU_CONST_CACHE_VS_6:
1814         case SQ_ALU_CONST_CACHE_VS_7:
1815         case SQ_ALU_CONST_CACHE_VS_8:
1816         case SQ_ALU_CONST_CACHE_VS_9:
1817         case SQ_ALU_CONST_CACHE_VS_10:
1818         case SQ_ALU_CONST_CACHE_VS_11:
1819         case SQ_ALU_CONST_CACHE_VS_12:
1820         case SQ_ALU_CONST_CACHE_VS_13:
1821         case SQ_ALU_CONST_CACHE_VS_14:
1822         case SQ_ALU_CONST_CACHE_VS_15:
1823         case SQ_ALU_CONST_CACHE_HS_0:
1824         case SQ_ALU_CONST_CACHE_HS_1:
1825         case SQ_ALU_CONST_CACHE_HS_2:
1826         case SQ_ALU_CONST_CACHE_HS_3:
1827         case SQ_ALU_CONST_CACHE_HS_4:
1828         case SQ_ALU_CONST_CACHE_HS_5:
1829         case SQ_ALU_CONST_CACHE_HS_6:
1830         case SQ_ALU_CONST_CACHE_HS_7:
1831         case SQ_ALU_CONST_CACHE_HS_8:
1832         case SQ_ALU_CONST_CACHE_HS_9:
1833         case SQ_ALU_CONST_CACHE_HS_10:
1834         case SQ_ALU_CONST_CACHE_HS_11:
1835         case SQ_ALU_CONST_CACHE_HS_12:
1836         case SQ_ALU_CONST_CACHE_HS_13:
1837         case SQ_ALU_CONST_CACHE_HS_14:
1838         case SQ_ALU_CONST_CACHE_HS_15:
1839         case SQ_ALU_CONST_CACHE_LS_0:
1840         case SQ_ALU_CONST_CACHE_LS_1:
1841         case SQ_ALU_CONST_CACHE_LS_2:
1842         case SQ_ALU_CONST_CACHE_LS_3:
1843         case SQ_ALU_CONST_CACHE_LS_4:
1844         case SQ_ALU_CONST_CACHE_LS_5:
1845         case SQ_ALU_CONST_CACHE_LS_6:
1846         case SQ_ALU_CONST_CACHE_LS_7:
1847         case SQ_ALU_CONST_CACHE_LS_8:
1848         case SQ_ALU_CONST_CACHE_LS_9:
1849         case SQ_ALU_CONST_CACHE_LS_10:
1850         case SQ_ALU_CONST_CACHE_LS_11:
1851         case SQ_ALU_CONST_CACHE_LS_12:
1852         case SQ_ALU_CONST_CACHE_LS_13:
1853         case SQ_ALU_CONST_CACHE_LS_14:
1854         case SQ_ALU_CONST_CACHE_LS_15:
1855                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1856                 if (r) {
1857                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1858                                         "0x%04X\n", reg);
1859                         return -EINVAL;
1860                 }
1861                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1862                 break;
1863         case SX_MEMORY_EXPORT_BASE:
1864                 if (p->rdev->family >= CHIP_CAYMAN) {
1865                         dev_warn(p->dev, "bad SET_CONFIG_REG "
1866                                  "0x%04X\n", reg);
1867                         return -EINVAL;
1868                 }
1869                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1870                 if (r) {
1871                         dev_warn(p->dev, "bad SET_CONFIG_REG "
1872                                         "0x%04X\n", reg);
1873                         return -EINVAL;
1874                 }
1875                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1876                 break;
1877         case CAYMAN_SX_SCATTER_EXPORT_BASE:
1878                 if (p->rdev->family < CHIP_CAYMAN) {
1879                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1880                                  "0x%04X\n", reg);
1881                         return -EINVAL;
1882                 }
1883                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1884                 if (r) {
1885                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1886                                         "0x%04X\n", reg);
1887                         return -EINVAL;
1888                 }
1889                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1890                 break;
1891         case SX_MISC:
1892                 track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1893                 break;
1894         default:
1895                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1896                 return -EINVAL;
1897         }
1898         return 0;
1899 }
1900
1901 static bool evergreen_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1902 {
1903         u32 last_reg, m, i;
1904
1905         if (p->rdev->family >= CHIP_CAYMAN)
1906                 last_reg = ARRAY_SIZE(cayman_reg_safe_bm);
1907         else
1908                 last_reg = ARRAY_SIZE(evergreen_reg_safe_bm);
1909
1910         i = (reg >> 7);
1911         if (i >= last_reg) {
1912                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1913                 return false;
1914         }
1915         m = 1 << ((reg >> 2) & 31);
1916         if (p->rdev->family >= CHIP_CAYMAN) {
1917                 if (!(cayman_reg_safe_bm[i] & m))
1918                         return true;
1919         } else {
1920                 if (!(evergreen_reg_safe_bm[i] & m))
1921                         return true;
1922         }
1923         dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1924         return false;
1925 }
1926
1927 static int evergreen_packet3_check(struct radeon_cs_parser *p,
1928                                    struct radeon_cs_packet *pkt)
1929 {
1930         struct radeon_cs_reloc *reloc;
1931         struct evergreen_cs_track *track;
1932         volatile u32 *ib;
1933         unsigned idx;
1934         unsigned i;
1935         unsigned start_reg, end_reg, reg;
1936         int r;
1937         u32 idx_value;
1938
1939         track = (struct evergreen_cs_track *)p->track;
1940         ib = p->ib.ptr;
1941         idx = pkt->idx + 1;
1942         idx_value = radeon_get_ib_value(p, idx);
1943
1944         switch (pkt->opcode) {
1945         case PACKET3_SET_PREDICATION:
1946         {
1947                 int pred_op;
1948                 int tmp;
1949                 uint64_t offset;
1950
1951                 if (pkt->count != 1) {
1952                         DRM_ERROR("bad SET PREDICATION\n");
1953                         return -EINVAL;
1954                 }
1955
1956                 tmp = radeon_get_ib_value(p, idx + 1);
1957                 pred_op = (tmp >> 16) & 0x7;
1958
1959                 /* for the clear predicate operation */
1960                 if (pred_op == 0)
1961                         return 0;
1962
1963                 if (pred_op > 2) {
1964                         DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1965                         return -EINVAL;
1966                 }
1967
1968                 r = evergreen_cs_packet_next_reloc(p, &reloc);
1969                 if (r) {
1970                         DRM_ERROR("bad SET PREDICATION\n");
1971                         return -EINVAL;
1972                 }
1973
1974                 offset = reloc->lobj.gpu_offset +
1975                          (idx_value & 0xfffffff0) +
1976                          ((u64)(tmp & 0xff) << 32);
1977
1978                 ib[idx + 0] = offset;
1979                 ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1980         }
1981         break;
1982         case PACKET3_CONTEXT_CONTROL:
1983                 if (pkt->count != 1) {
1984                         DRM_ERROR("bad CONTEXT_CONTROL\n");
1985                         return -EINVAL;
1986                 }
1987                 break;
1988         case PACKET3_INDEX_TYPE:
1989         case PACKET3_NUM_INSTANCES:
1990         case PACKET3_CLEAR_STATE:
1991                 if (pkt->count) {
1992                         DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
1993                         return -EINVAL;
1994                 }
1995                 break;
1996         case CAYMAN_PACKET3_DEALLOC_STATE:
1997                 if (p->rdev->family < CHIP_CAYMAN) {
1998                         DRM_ERROR("bad PACKET3_DEALLOC_STATE\n");
1999                         return -EINVAL;
2000                 }
2001                 if (pkt->count) {
2002                         DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
2003                         return -EINVAL;
2004                 }
2005                 break;
2006         case PACKET3_INDEX_BASE:
2007         {
2008                 uint64_t offset;
2009
2010                 if (pkt->count != 1) {
2011                         DRM_ERROR("bad INDEX_BASE\n");
2012                         return -EINVAL;
2013                 }
2014                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2015                 if (r) {
2016                         DRM_ERROR("bad INDEX_BASE\n");
2017                         return -EINVAL;
2018                 }
2019
2020                 offset = reloc->lobj.gpu_offset +
2021                          idx_value +
2022                          ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
2023
2024                 ib[idx+0] = offset;
2025                 ib[idx+1] = upper_32_bits(offset) & 0xff;
2026
2027                 r = evergreen_cs_track_check(p);
2028                 if (r) {
2029                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2030                         return r;
2031                 }
2032                 break;
2033         }
2034         case PACKET3_DRAW_INDEX:
2035         {
2036                 uint64_t offset;
2037                 if (pkt->count != 3) {
2038                         DRM_ERROR("bad DRAW_INDEX\n");
2039                         return -EINVAL;
2040                 }
2041                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2042                 if (r) {
2043                         DRM_ERROR("bad DRAW_INDEX\n");
2044                         return -EINVAL;
2045                 }
2046
2047                 offset = reloc->lobj.gpu_offset +
2048                          idx_value +
2049                          ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
2050
2051                 ib[idx+0] = offset;
2052                 ib[idx+1] = upper_32_bits(offset) & 0xff;
2053
2054                 r = evergreen_cs_track_check(p);
2055                 if (r) {
2056                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2057                         return r;
2058                 }
2059                 break;
2060         }
2061         case PACKET3_DRAW_INDEX_2:
2062         {
2063                 uint64_t offset;
2064
2065                 if (pkt->count != 4) {
2066                         DRM_ERROR("bad DRAW_INDEX_2\n");
2067                         return -EINVAL;
2068                 }
2069                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2070                 if (r) {
2071                         DRM_ERROR("bad DRAW_INDEX_2\n");
2072                         return -EINVAL;
2073                 }
2074
2075                 offset = reloc->lobj.gpu_offset +
2076                          radeon_get_ib_value(p, idx+1) +
2077                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2078
2079                 ib[idx+1] = offset;
2080                 ib[idx+2] = upper_32_bits(offset) & 0xff;
2081
2082                 r = evergreen_cs_track_check(p);
2083                 if (r) {
2084                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2085                         return r;
2086                 }
2087                 break;
2088         }
2089         case PACKET3_DRAW_INDEX_AUTO:
2090                 if (pkt->count != 1) {
2091                         DRM_ERROR("bad DRAW_INDEX_AUTO\n");
2092                         return -EINVAL;
2093                 }
2094                 r = evergreen_cs_track_check(p);
2095                 if (r) {
2096                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
2097                         return r;
2098                 }
2099                 break;
2100         case PACKET3_DRAW_INDEX_MULTI_AUTO:
2101                 if (pkt->count != 2) {
2102                         DRM_ERROR("bad DRAW_INDEX_MULTI_AUTO\n");
2103                         return -EINVAL;
2104                 }
2105                 r = evergreen_cs_track_check(p);
2106                 if (r) {
2107                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
2108                         return r;
2109                 }
2110                 break;
2111         case PACKET3_DRAW_INDEX_IMMD:
2112                 if (pkt->count < 2) {
2113                         DRM_ERROR("bad DRAW_INDEX_IMMD\n");
2114                         return -EINVAL;
2115                 }
2116                 r = evergreen_cs_track_check(p);
2117                 if (r) {
2118                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2119                         return r;
2120                 }
2121                 break;
2122         case PACKET3_DRAW_INDEX_OFFSET:
2123                 if (pkt->count != 2) {
2124                         DRM_ERROR("bad DRAW_INDEX_OFFSET\n");
2125                         return -EINVAL;
2126                 }
2127                 r = evergreen_cs_track_check(p);
2128                 if (r) {
2129                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2130                         return r;
2131                 }
2132                 break;
2133         case PACKET3_DRAW_INDEX_OFFSET_2:
2134                 if (pkt->count != 3) {
2135                         DRM_ERROR("bad DRAW_INDEX_OFFSET_2\n");
2136                         return -EINVAL;
2137                 }
2138                 r = evergreen_cs_track_check(p);
2139                 if (r) {
2140                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2141                         return r;
2142                 }
2143                 break;
2144         case PACKET3_DISPATCH_DIRECT:
2145                 if (pkt->count != 3) {
2146                         DRM_ERROR("bad DISPATCH_DIRECT\n");
2147                         return -EINVAL;
2148                 }
2149                 r = evergreen_cs_track_check(p);
2150                 if (r) {
2151                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
2152                         return r;
2153                 }
2154                 break;
2155         case PACKET3_DISPATCH_INDIRECT:
2156                 if (pkt->count != 1) {
2157                         DRM_ERROR("bad DISPATCH_INDIRECT\n");
2158                         return -EINVAL;
2159                 }
2160                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2161                 if (r) {
2162                         DRM_ERROR("bad DISPATCH_INDIRECT\n");
2163                         return -EINVAL;
2164                 }
2165                 ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
2166                 r = evergreen_cs_track_check(p);
2167                 if (r) {
2168                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2169                         return r;
2170                 }
2171                 break;
2172         case PACKET3_WAIT_REG_MEM:
2173                 if (pkt->count != 5) {
2174                         DRM_ERROR("bad WAIT_REG_MEM\n");
2175                         return -EINVAL;
2176                 }
2177                 /* bit 4 is reg (0) or mem (1) */
2178                 if (idx_value & 0x10) {
2179                         uint64_t offset;
2180
2181                         r = evergreen_cs_packet_next_reloc(p, &reloc);
2182                         if (r) {
2183                                 DRM_ERROR("bad WAIT_REG_MEM\n");
2184                                 return -EINVAL;
2185                         }
2186
2187                         offset = reloc->lobj.gpu_offset +
2188                                  (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2189                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2190
2191                         ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffffc);
2192                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2193                 }
2194                 break;
2195         case PACKET3_SURFACE_SYNC:
2196                 if (pkt->count != 3) {
2197                         DRM_ERROR("bad SURFACE_SYNC\n");
2198                         return -EINVAL;
2199                 }
2200                 /* 0xffffffff/0x0 is flush all cache flag */
2201                 if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
2202                     radeon_get_ib_value(p, idx + 2) != 0) {
2203                         r = evergreen_cs_packet_next_reloc(p, &reloc);
2204                         if (r) {
2205                                 DRM_ERROR("bad SURFACE_SYNC\n");
2206                                 return -EINVAL;
2207                         }
2208                         ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2209                 }
2210                 break;
2211         case PACKET3_EVENT_WRITE:
2212                 if (pkt->count != 2 && pkt->count != 0) {
2213                         DRM_ERROR("bad EVENT_WRITE\n");
2214                         return -EINVAL;
2215                 }
2216                 if (pkt->count) {
2217                         uint64_t offset;
2218
2219                         r = evergreen_cs_packet_next_reloc(p, &reloc);
2220                         if (r) {
2221                                 DRM_ERROR("bad EVENT_WRITE\n");
2222                                 return -EINVAL;
2223                         }
2224                         offset = reloc->lobj.gpu_offset +
2225                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
2226                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2227
2228                         ib[idx+1] = offset & 0xfffffff8;
2229                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2230                 }
2231                 break;
2232         case PACKET3_EVENT_WRITE_EOP:
2233         {
2234                 uint64_t offset;
2235
2236                 if (pkt->count != 4) {
2237                         DRM_ERROR("bad EVENT_WRITE_EOP\n");
2238                         return -EINVAL;
2239                 }
2240                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2241                 if (r) {
2242                         DRM_ERROR("bad EVENT_WRITE_EOP\n");
2243                         return -EINVAL;
2244                 }
2245
2246                 offset = reloc->lobj.gpu_offset +
2247                          (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2248                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2249
2250                 ib[idx+1] = offset & 0xfffffffc;
2251                 ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2252                 break;
2253         }
2254         case PACKET3_EVENT_WRITE_EOS:
2255         {
2256                 uint64_t offset;
2257
2258                 if (pkt->count != 3) {
2259                         DRM_ERROR("bad EVENT_WRITE_EOS\n");
2260                         return -EINVAL;
2261                 }
2262                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2263                 if (r) {
2264                         DRM_ERROR("bad EVENT_WRITE_EOS\n");
2265                         return -EINVAL;
2266                 }
2267
2268                 offset = reloc->lobj.gpu_offset +
2269                          (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2270                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2271
2272                 ib[idx+1] = offset & 0xfffffffc;
2273                 ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2274                 break;
2275         }
2276         case PACKET3_SET_CONFIG_REG:
2277                 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
2278                 end_reg = 4 * pkt->count + start_reg - 4;
2279                 if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
2280                     (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
2281                     (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
2282                         DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
2283                         return -EINVAL;
2284                 }
2285                 for (i = 0; i < pkt->count; i++) {
2286                         reg = start_reg + (4 * i);
2287                         r = evergreen_cs_check_reg(p, reg, idx+1+i);
2288                         if (r)
2289                                 return r;
2290                 }
2291                 break;
2292         case PACKET3_SET_CONTEXT_REG:
2293                 start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_START;
2294                 end_reg = 4 * pkt->count + start_reg - 4;
2295                 if ((start_reg < PACKET3_SET_CONTEXT_REG_START) ||
2296                     (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
2297                     (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
2298                         DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
2299                         return -EINVAL;
2300                 }
2301                 for (i = 0; i < pkt->count; i++) {
2302                         reg = start_reg + (4 * i);
2303                         r = evergreen_cs_check_reg(p, reg, idx+1+i);
2304                         if (r)
2305                                 return r;
2306                 }
2307                 break;
2308         case PACKET3_SET_RESOURCE:
2309                 if (pkt->count % 8) {
2310                         DRM_ERROR("bad SET_RESOURCE\n");
2311                         return -EINVAL;
2312                 }
2313                 start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_START;
2314                 end_reg = 4 * pkt->count + start_reg - 4;
2315                 if ((start_reg < PACKET3_SET_RESOURCE_START) ||
2316                     (start_reg >= PACKET3_SET_RESOURCE_END) ||
2317                     (end_reg >= PACKET3_SET_RESOURCE_END)) {
2318                         DRM_ERROR("bad SET_RESOURCE\n");
2319                         return -EINVAL;
2320                 }
2321                 for (i = 0; i < (pkt->count / 8); i++) {
2322                         struct radeon_bo *texture, *mipmap;
2323                         u32 toffset, moffset;
2324                         u32 size, offset;
2325
2326                         switch (G__SQ_CONSTANT_TYPE(radeon_get_ib_value(p, idx+1+(i*8)+7))) {
2327                         case SQ_TEX_VTX_VALID_TEXTURE:
2328                                 /* tex base */
2329                                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2330                                 if (r) {
2331                                         DRM_ERROR("bad SET_RESOURCE (tex)\n");
2332                                         return -EINVAL;
2333                                 }
2334                                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
2335                                         ib[idx+1+(i*8)+1] |=
2336                                                 TEX_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->lobj.tiling_flags));
2337                                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
2338                                                 unsigned bankw, bankh, mtaspect, tile_split;
2339
2340                                                 evergreen_tiling_fields(reloc->lobj.tiling_flags,
2341                                                                         &bankw, &bankh, &mtaspect,
2342                                                                         &tile_split);
2343                                                 ib[idx+1+(i*8)+6] |= TEX_TILE_SPLIT(tile_split);
2344                                                 ib[idx+1+(i*8)+7] |=
2345                                                         TEX_BANK_WIDTH(bankw) |
2346                                                         TEX_BANK_HEIGHT(bankh) |
2347                                                         MACRO_TILE_ASPECT(mtaspect) |
2348                                                         TEX_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
2349                                         }
2350                                 }
2351                                 texture = reloc->robj;
2352                                 toffset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2353                                 /* tex mip base */
2354                                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2355                                 if (r) {
2356                                         DRM_ERROR("bad SET_RESOURCE (tex)\n");
2357                                         return -EINVAL;
2358                                 }
2359                                 moffset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2360                                 mipmap = reloc->robj;
2361                                 r = evergreen_cs_track_validate_texture(p, texture, mipmap, idx+1+(i*8));
2362                                 if (r)
2363                                         return r;
2364                                 ib[idx+1+(i*8)+2] += toffset;
2365                                 ib[idx+1+(i*8)+3] += moffset;
2366                                 break;
2367                         case SQ_TEX_VTX_VALID_BUFFER:
2368                         {
2369                                 uint64_t offset64;
2370                                 /* vtx base */
2371                                 r = evergreen_cs_packet_next_reloc(p, &reloc);
2372                                 if (r) {
2373                                         DRM_ERROR("bad SET_RESOURCE (vtx)\n");
2374                                         return -EINVAL;
2375                                 }
2376                                 offset = radeon_get_ib_value(p, idx+1+(i*8)+0);
2377                                 size = radeon_get_ib_value(p, idx+1+(i*8)+1);
2378                                 if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2379                                         /* force size to size of the buffer */
2380                                         dev_warn(p->dev, "vbo resource seems too big for the bo\n");
2381                                         ib[idx+1+(i*8)+1] = radeon_bo_size(reloc->robj) - offset;
2382                                 }
2383
2384                                 offset64 = reloc->lobj.gpu_offset + offset;
2385                                 ib[idx+1+(i*8)+0] = offset64;
2386                                 ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2387                                                     (upper_32_bits(offset64) & 0xff);
2388                                 break;
2389                         }
2390                         case SQ_TEX_VTX_INVALID_TEXTURE:
2391                         case SQ_TEX_VTX_INVALID_BUFFER:
2392                         default:
2393                                 DRM_ERROR("bad SET_RESOURCE\n");
2394                                 return -EINVAL;
2395                         }
2396                 }
2397                 break;
2398         case PACKET3_SET_ALU_CONST:
2399                 /* XXX fix me ALU const buffers only */
2400                 break;
2401         case PACKET3_SET_BOOL_CONST:
2402                 start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_START;
2403                 end_reg = 4 * pkt->count + start_reg - 4;
2404                 if ((start_reg < PACKET3_SET_BOOL_CONST_START) ||
2405                     (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2406                     (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2407                         DRM_ERROR("bad SET_BOOL_CONST\n");
2408                         return -EINVAL;
2409                 }
2410                 break;
2411         case PACKET3_SET_LOOP_CONST:
2412                 start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_START;
2413                 end_reg = 4 * pkt->count + start_reg - 4;
2414                 if ((start_reg < PACKET3_SET_LOOP_CONST_START) ||
2415                     (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2416                     (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2417                         DRM_ERROR("bad SET_LOOP_CONST\n");
2418                         return -EINVAL;
2419                 }
2420                 break;
2421         case PACKET3_SET_CTL_CONST:
2422                 start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_START;
2423                 end_reg = 4 * pkt->count + start_reg - 4;
2424                 if ((start_reg < PACKET3_SET_CTL_CONST_START) ||
2425                     (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2426                     (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2427                         DRM_ERROR("bad SET_CTL_CONST\n");
2428                         return -EINVAL;
2429                 }
2430                 break;
2431         case PACKET3_SET_SAMPLER:
2432                 if (pkt->count % 3) {
2433                         DRM_ERROR("bad SET_SAMPLER\n");
2434                         return -EINVAL;
2435                 }
2436                 start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_START;
2437                 end_reg = 4 * pkt->count + start_reg - 4;
2438                 if ((start_reg < PACKET3_SET_SAMPLER_START) ||
2439                     (start_reg >= PACKET3_SET_SAMPLER_END) ||
2440                     (end_reg >= PACKET3_SET_SAMPLER_END)) {
2441                         DRM_ERROR("bad SET_SAMPLER\n");
2442                         return -EINVAL;
2443                 }
2444                 break;
2445         case PACKET3_STRMOUT_BUFFER_UPDATE:
2446                 if (pkt->count != 4) {
2447                         DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2448                         return -EINVAL;
2449                 }
2450                 /* Updating memory at DST_ADDRESS. */
2451                 if (idx_value & 0x1) {
2452                         u64 offset;
2453                         r = evergreen_cs_packet_next_reloc(p, &reloc);
2454                         if (r) {
2455                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2456                                 return -EINVAL;
2457                         }
2458                         offset = radeon_get_ib_value(p, idx+1);
2459                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2460                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2461                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2462                                           offset + 4, radeon_bo_size(reloc->robj));
2463                                 return -EINVAL;
2464                         }
2465                         offset += reloc->lobj.gpu_offset;
2466                         ib[idx+1] = offset;
2467                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2468                 }
2469                 /* Reading data from SRC_ADDRESS. */
2470                 if (((idx_value >> 1) & 0x3) == 2) {
2471                         u64 offset;
2472                         r = evergreen_cs_packet_next_reloc(p, &reloc);
2473                         if (r) {
2474                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2475                                 return -EINVAL;
2476                         }
2477                         offset = radeon_get_ib_value(p, idx+3);
2478                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2479                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2480                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2481                                           offset + 4, radeon_bo_size(reloc->robj));
2482                                 return -EINVAL;
2483                         }
2484                         offset += reloc->lobj.gpu_offset;
2485                         ib[idx+3] = offset;
2486                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2487                 }
2488                 break;
2489         case PACKET3_COPY_DW:
2490                 if (pkt->count != 4) {
2491                         DRM_ERROR("bad COPY_DW (invalid count)\n");
2492                         return -EINVAL;
2493                 }
2494                 if (idx_value & 0x1) {
2495                         u64 offset;
2496                         /* SRC is memory. */
2497                         r = evergreen_cs_packet_next_reloc(p, &reloc);
2498                         if (r) {
2499                                 DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2500                                 return -EINVAL;
2501                         }
2502                         offset = radeon_get_ib_value(p, idx+1);
2503                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2504                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2505                                 DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2506                                           offset + 4, radeon_bo_size(reloc->robj));
2507                                 return -EINVAL;
2508                         }
2509                         offset += reloc->lobj.gpu_offset;
2510                         ib[idx+1] = offset;
2511                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2512                 } else {
2513                         /* SRC is a reg. */
2514                         reg = radeon_get_ib_value(p, idx+1) << 2;
2515                         if (!evergreen_is_safe_reg(p, reg, idx+1))
2516                                 return -EINVAL;
2517                 }
2518                 if (idx_value & 0x2) {
2519                         u64 offset;
2520                         /* DST is memory. */
2521                         r = evergreen_cs_packet_next_reloc(p, &reloc);
2522                         if (r) {
2523                                 DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2524                                 return -EINVAL;
2525                         }
2526                         offset = radeon_get_ib_value(p, idx+3);
2527                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2528                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2529                                 DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2530                                           offset + 4, radeon_bo_size(reloc->robj));
2531                                 return -EINVAL;
2532                         }
2533                         offset += reloc->lobj.gpu_offset;
2534                         ib[idx+3] = offset;
2535                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2536                 } else {
2537                         /* DST is a reg. */
2538                         reg = radeon_get_ib_value(p, idx+3) << 2;
2539                         if (!evergreen_is_safe_reg(p, reg, idx+3))
2540                                 return -EINVAL;
2541                 }
2542                 break;
2543         case PACKET3_NOP:
2544                 break;
2545         default:
2546                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2547                 return -EINVAL;
2548         }
2549         return 0;
2550 }
2551
2552 int evergreen_cs_parse(struct radeon_cs_parser *p)
2553 {
2554         struct radeon_cs_packet pkt;
2555         struct evergreen_cs_track *track;
2556         u32 tmp;
2557         int r;
2558
2559         if (p->track == NULL) {
2560                 /* initialize tracker, we are in kms */
2561                 track = kzalloc(sizeof(*track), GFP_KERNEL);
2562                 if (track == NULL)
2563                         return -ENOMEM;
2564                 evergreen_cs_track_init(track);
2565                 if (p->rdev->family >= CHIP_CAYMAN)
2566                         tmp = p->rdev->config.cayman.tile_config;
2567                 else
2568                         tmp = p->rdev->config.evergreen.tile_config;
2569
2570                 switch (tmp & 0xf) {
2571                 case 0:
2572                         track->npipes = 1;
2573                         break;
2574                 case 1:
2575                 default:
2576                         track->npipes = 2;
2577                         break;
2578                 case 2:
2579                         track->npipes = 4;
2580                         break;
2581                 case 3:
2582                         track->npipes = 8;
2583                         break;
2584                 }
2585
2586                 switch ((tmp & 0xf0) >> 4) {
2587                 case 0:
2588                         track->nbanks = 4;
2589                         break;
2590                 case 1:
2591                 default:
2592                         track->nbanks = 8;
2593                         break;
2594                 case 2:
2595                         track->nbanks = 16;
2596                         break;
2597                 }
2598
2599                 switch ((tmp & 0xf00) >> 8) {
2600                 case 0:
2601                         track->group_size = 256;
2602                         break;
2603                 case 1:
2604                 default:
2605                         track->group_size = 512;
2606                         break;
2607                 }
2608
2609                 switch ((tmp & 0xf000) >> 12) {
2610                 case 0:
2611                         track->row_size = 1;
2612                         break;
2613                 case 1:
2614                 default:
2615                         track->row_size = 2;
2616                         break;
2617                 case 2:
2618                         track->row_size = 4;
2619                         break;
2620                 }
2621
2622                 p->track = track;
2623         }
2624         do {
2625                 r = evergreen_cs_packet_parse(p, &pkt, p->idx);
2626                 if (r) {
2627                         kfree(p->track);
2628                         p->track = NULL;
2629                         return r;
2630                 }
2631                 p->idx += pkt.count + 2;
2632                 switch (pkt.type) {
2633                 case PACKET_TYPE0:
2634                         r = evergreen_cs_parse_packet0(p, &pkt);
2635                         break;
2636                 case PACKET_TYPE2:
2637                         break;
2638                 case PACKET_TYPE3:
2639                         r = evergreen_packet3_check(p, &pkt);
2640                         break;
2641                 default:
2642                         DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2643                         kfree(p->track);
2644                         p->track = NULL;
2645                         return -EINVAL;
2646                 }
2647                 if (r) {
2648                         kfree(p->track);
2649                         p->track = NULL;
2650                         return r;
2651                 }
2652         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2653 #if 0
2654         for (r = 0; r < p->ib.length_dw; r++) {
2655                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2656                 mdelay(1);
2657         }
2658 #endif
2659         kfree(p->track);
2660         p->track = NULL;
2661         return 0;
2662 }
2663
2664 /* vm parser */
2665 static bool evergreen_vm_reg_valid(u32 reg)
2666 {
2667         /* context regs are fine */
2668         if (reg >= 0x28000)
2669                 return true;
2670
2671         /* check config regs */
2672         switch (reg) {
2673         case GRBM_GFX_INDEX:
2674         case VGT_VTX_VECT_EJECT_REG:
2675         case VGT_CACHE_INVALIDATION:
2676         case VGT_GS_VERTEX_REUSE:
2677         case VGT_PRIMITIVE_TYPE:
2678         case VGT_INDEX_TYPE:
2679         case VGT_NUM_INDICES:
2680         case VGT_NUM_INSTANCES:
2681         case VGT_COMPUTE_DIM_X:
2682         case VGT_COMPUTE_DIM_Y:
2683         case VGT_COMPUTE_DIM_Z:
2684         case VGT_COMPUTE_START_X:
2685         case VGT_COMPUTE_START_Y:
2686         case VGT_COMPUTE_START_Z:
2687         case VGT_COMPUTE_INDEX:
2688         case VGT_COMPUTE_THREAD_GROUP_SIZE:
2689         case VGT_HS_OFFCHIP_PARAM:
2690         case PA_CL_ENHANCE:
2691         case PA_SU_LINE_STIPPLE_VALUE:
2692         case PA_SC_LINE_STIPPLE_STATE:
2693         case PA_SC_ENHANCE:
2694         case SQ_DYN_GPR_CNTL_PS_FLUSH_REQ:
2695         case SQ_DYN_GPR_SIMD_LOCK_EN:
2696         case SQ_CONFIG:
2697         case SQ_GPR_RESOURCE_MGMT_1:
2698         case SQ_GLOBAL_GPR_RESOURCE_MGMT_1:
2699         case SQ_GLOBAL_GPR_RESOURCE_MGMT_2:
2700         case SQ_CONST_MEM_BASE:
2701         case SQ_STATIC_THREAD_MGMT_1:
2702         case SQ_STATIC_THREAD_MGMT_2:
2703         case SQ_STATIC_THREAD_MGMT_3:
2704         case SPI_CONFIG_CNTL:
2705         case SPI_CONFIG_CNTL_1:
2706         case TA_CNTL_AUX:
2707         case DB_DEBUG:
2708         case DB_DEBUG2:
2709         case DB_DEBUG3:
2710         case DB_DEBUG4:
2711         case DB_WATERMARKS:
2712         case TD_PS_BORDER_COLOR_INDEX:
2713         case TD_PS_BORDER_COLOR_RED:
2714         case TD_PS_BORDER_COLOR_GREEN:
2715         case TD_PS_BORDER_COLOR_BLUE:
2716         case TD_PS_BORDER_COLOR_ALPHA:
2717         case TD_VS_BORDER_COLOR_INDEX:
2718         case TD_VS_BORDER_COLOR_RED:
2719         case TD_VS_BORDER_COLOR_GREEN:
2720         case TD_VS_BORDER_COLOR_BLUE:
2721         case TD_VS_BORDER_COLOR_ALPHA:
2722         case TD_GS_BORDER_COLOR_INDEX:
2723         case TD_GS_BORDER_COLOR_RED:
2724         case TD_GS_BORDER_COLOR_GREEN:
2725         case TD_GS_BORDER_COLOR_BLUE:
2726         case TD_GS_BORDER_COLOR_ALPHA:
2727         case TD_HS_BORDER_COLOR_INDEX:
2728         case TD_HS_BORDER_COLOR_RED:
2729         case TD_HS_BORDER_COLOR_GREEN:
2730         case TD_HS_BORDER_COLOR_BLUE:
2731         case TD_HS_BORDER_COLOR_ALPHA:
2732         case TD_LS_BORDER_COLOR_INDEX:
2733         case TD_LS_BORDER_COLOR_RED:
2734         case TD_LS_BORDER_COLOR_GREEN:
2735         case TD_LS_BORDER_COLOR_BLUE:
2736         case TD_LS_BORDER_COLOR_ALPHA:
2737         case TD_CS_BORDER_COLOR_INDEX:
2738         case TD_CS_BORDER_COLOR_RED:
2739         case TD_CS_BORDER_COLOR_GREEN:
2740         case TD_CS_BORDER_COLOR_BLUE:
2741         case TD_CS_BORDER_COLOR_ALPHA:
2742         case SQ_ESGS_RING_SIZE:
2743         case SQ_GSVS_RING_SIZE:
2744         case SQ_ESTMP_RING_SIZE:
2745         case SQ_GSTMP_RING_SIZE:
2746         case SQ_HSTMP_RING_SIZE:
2747         case SQ_LSTMP_RING_SIZE:
2748         case SQ_PSTMP_RING_SIZE:
2749         case SQ_VSTMP_RING_SIZE:
2750         case SQ_ESGS_RING_ITEMSIZE:
2751         case SQ_ESTMP_RING_ITEMSIZE:
2752         case SQ_GSTMP_RING_ITEMSIZE:
2753         case SQ_GSVS_RING_ITEMSIZE:
2754         case SQ_GS_VERT_ITEMSIZE:
2755         case SQ_GS_VERT_ITEMSIZE_1:
2756         case SQ_GS_VERT_ITEMSIZE_2:
2757         case SQ_GS_VERT_ITEMSIZE_3:
2758         case SQ_GSVS_RING_OFFSET_1:
2759         case SQ_GSVS_RING_OFFSET_2:
2760         case SQ_GSVS_RING_OFFSET_3:
2761         case SQ_HSTMP_RING_ITEMSIZE:
2762         case SQ_LSTMP_RING_ITEMSIZE:
2763         case SQ_PSTMP_RING_ITEMSIZE:
2764         case SQ_VSTMP_RING_ITEMSIZE:
2765         case VGT_TF_RING_SIZE:
2766         case SQ_ESGS_RING_BASE:
2767         case SQ_GSVS_RING_BASE:
2768         case SQ_ESTMP_RING_BASE:
2769         case SQ_GSTMP_RING_BASE:
2770         case SQ_HSTMP_RING_BASE:
2771         case SQ_LSTMP_RING_BASE:
2772         case SQ_PSTMP_RING_BASE:
2773         case SQ_VSTMP_RING_BASE:
2774         case CAYMAN_VGT_OFFCHIP_LDS_BASE:
2775         case CAYMAN_SQ_EX_ALLOC_TABLE_SLOTS:
2776                 return true;
2777         default:
2778                 return false;
2779         }
2780 }
2781
2782 static int evergreen_vm_packet3_check(struct radeon_device *rdev,
2783                                       u32 *ib, struct radeon_cs_packet *pkt)
2784 {
2785         u32 idx = pkt->idx + 1;
2786         u32 idx_value = ib[idx];
2787         u32 start_reg, end_reg, reg, i;
2788
2789         switch (pkt->opcode) {
2790         case PACKET3_NOP:
2791         case PACKET3_SET_BASE:
2792         case PACKET3_CLEAR_STATE:
2793         case PACKET3_INDEX_BUFFER_SIZE:
2794         case PACKET3_DISPATCH_DIRECT:
2795         case PACKET3_DISPATCH_INDIRECT:
2796         case PACKET3_MODE_CONTROL:
2797         case PACKET3_SET_PREDICATION:
2798         case PACKET3_COND_EXEC:
2799         case PACKET3_PRED_EXEC:
2800         case PACKET3_DRAW_INDIRECT:
2801         case PACKET3_DRAW_INDEX_INDIRECT:
2802         case PACKET3_INDEX_BASE:
2803         case PACKET3_DRAW_INDEX_2:
2804         case PACKET3_CONTEXT_CONTROL:
2805         case PACKET3_DRAW_INDEX_OFFSET:
2806         case PACKET3_INDEX_TYPE:
2807         case PACKET3_DRAW_INDEX:
2808         case PACKET3_DRAW_INDEX_AUTO:
2809         case PACKET3_DRAW_INDEX_IMMD:
2810         case PACKET3_NUM_INSTANCES:
2811         case PACKET3_DRAW_INDEX_MULTI_AUTO:
2812         case PACKET3_STRMOUT_BUFFER_UPDATE:
2813         case PACKET3_DRAW_INDEX_OFFSET_2:
2814         case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
2815         case PACKET3_MPEG_INDEX:
2816         case PACKET3_WAIT_REG_MEM:
2817         case PACKET3_MEM_WRITE:
2818         case PACKET3_SURFACE_SYNC:
2819         case PACKET3_EVENT_WRITE:
2820         case PACKET3_EVENT_WRITE_EOP:
2821         case PACKET3_EVENT_WRITE_EOS:
2822         case PACKET3_SET_CONTEXT_REG:
2823         case PACKET3_SET_BOOL_CONST:
2824         case PACKET3_SET_LOOP_CONST:
2825         case PACKET3_SET_RESOURCE:
2826         case PACKET3_SET_SAMPLER:
2827         case PACKET3_SET_CTL_CONST:
2828         case PACKET3_SET_RESOURCE_OFFSET:
2829         case PACKET3_SET_CONTEXT_REG_INDIRECT:
2830         case PACKET3_SET_RESOURCE_INDIRECT:
2831         case CAYMAN_PACKET3_DEALLOC_STATE:
2832                 break;
2833         case PACKET3_COND_WRITE:
2834                 if (idx_value & 0x100) {
2835                         reg = ib[idx + 5] * 4;
2836                         if (!evergreen_vm_reg_valid(reg))
2837                                 return -EINVAL;
2838                 }
2839                 break;
2840         case PACKET3_COPY_DW:
2841                 if (idx_value & 0x2) {
2842                         reg = ib[idx + 3] * 4;
2843                         if (!evergreen_vm_reg_valid(reg))
2844                                 return -EINVAL;
2845                 }
2846                 break;
2847         case PACKET3_SET_CONFIG_REG:
2848                 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
2849                 end_reg = 4 * pkt->count + start_reg - 4;
2850                 if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
2851                     (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
2852                     (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
2853                         DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
2854                         return -EINVAL;
2855                 }
2856                 for (i = 0; i < pkt->count; i++) {
2857                         reg = start_reg + (4 * i);
2858                         if (!evergreen_vm_reg_valid(reg))
2859                                 return -EINVAL;
2860                 }
2861                 break;
2862         default:
2863                 return -EINVAL;
2864         }
2865         return 0;
2866 }
2867
2868 int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
2869 {
2870         int ret = 0;
2871         u32 idx = 0;
2872         struct radeon_cs_packet pkt;
2873
2874         do {
2875                 pkt.idx = idx;
2876                 pkt.type = CP_PACKET_GET_TYPE(ib->ptr[idx]);
2877                 pkt.count = CP_PACKET_GET_COUNT(ib->ptr[idx]);
2878                 pkt.one_reg_wr = 0;
2879                 switch (pkt.type) {
2880                 case PACKET_TYPE0:
2881                         dev_err(rdev->dev, "Packet0 not allowed!\n");
2882                         ret = -EINVAL;
2883                         break;
2884                 case PACKET_TYPE2:
2885                         idx += 1;
2886                         break;
2887                 case PACKET_TYPE3:
2888                         pkt.opcode = CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
2889                         ret = evergreen_vm_packet3_check(rdev, ib->ptr, &pkt);
2890                         idx += pkt.count + 2;
2891                         break;
2892                 default:
2893                         dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
2894                         ret = -EINVAL;
2895                         break;
2896                 }
2897                 if (ret)
2898                         break;
2899         } while (idx < ib->length_dw);
2900
2901         return ret;
2902 }