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 <drm/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 #define REG_SAFE_BM_SIZE ARRAY_SIZE(evergreen_reg_safe_bm)
  38
  39 int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
  40                            struct radeon_bo_list **cs_reloc);
  41 struct evergreen_cs_track {
  42         u32                     group_size;
  43         u32                     nbanks;
  44         u32                     npipes;
  45         u32                     row_size;
  46         /* value we track */
  47         u32                     nsamples;               /* unused */
  48         struct radeon_bo        *cb_color_bo[12];
  49         u32                     cb_color_bo_offset[12];
  50         struct radeon_bo        *cb_color_fmask_bo[8];  /* unused */
  51         struct radeon_bo        *cb_color_cmask_bo[8];  /* unused */
  52         u32                     cb_color_info[12];
  53         u32                     cb_color_view[12];
  54         u32                     cb_color_pitch[12];
  55         u32                     cb_color_slice[12];
  56         u32                     cb_color_slice_idx[12];
  57         u32                     cb_color_attrib[12];
  58         u32                     cb_color_cmask_slice[8];/* unused */
  59         u32                     cb_color_fmask_slice[8];/* unused */
  60         u32                     cb_target_mask;
  61         u32                     cb_shader_mask; /* unused */
  62         u32                     vgt_strmout_config;
  63         u32                     vgt_strmout_buffer_config;
  64         struct radeon_bo        *vgt_strmout_bo[4];
  65         u32                     vgt_strmout_bo_offset[4];
  66         u32                     vgt_strmout_size[4];
  67         u32                     db_depth_control;
  68         u32                     db_depth_view;
  69         u32                     db_depth_slice;
  70         u32                     db_depth_size;
  71         u32                     db_z_info;
  72         u32                     db_z_read_offset;
  73         u32                     db_z_write_offset;
  74         struct radeon_bo        *db_z_read_bo;
  75         struct radeon_bo        *db_z_write_bo;
  76         u32                     db_s_info;
  77         u32                     db_s_read_offset;
  78         u32                     db_s_write_offset;
  79         struct radeon_bo        *db_s_read_bo;
  80         struct radeon_bo        *db_s_write_bo;
  81         bool                    sx_misc_kill_all_prims;
  82         bool                    cb_dirty;
  83         bool                    db_dirty;
  84         bool                    streamout_dirty;
  85         u32                     htile_offset;
  86         u32                     htile_surface;
  87         struct radeon_bo        *htile_bo;
  88         unsigned long           indirect_draw_buffer_size;
  89         const unsigned          *reg_safe_bm;
  90 };
  91
  92 static u32 evergreen_cs_get_aray_mode(u32 tiling_flags)
  93 {
  94         if (tiling_flags & RADEON_TILING_MACRO)
  95                 return ARRAY_2D_TILED_THIN1;
  96         else if (tiling_flags & RADEON_TILING_MICRO)
  97                 return ARRAY_1D_TILED_THIN1;
  98         else
  99                 return ARRAY_LINEAR_GENERAL;
 100 }
 101
 102 static u32 evergreen_cs_get_num_banks(u32 nbanks)
 103 {
 104         switch (nbanks) {
 105         case 2:
 106                 return ADDR_SURF_2_BANK;
 107         case 4:
 108                 return ADDR_SURF_4_BANK;
 109         case 8:
 110         default:
 111                 return ADDR_SURF_8_BANK;
 112         case 16:
 113                 return ADDR_SURF_16_BANK;
 114         }
 115 }
 116
 117 static void evergreen_cs_track_init(struct evergreen_cs_track *track)
 118 {
 119         int i;
 120
 121         for (i = 0; i < 8; i++) {
 122                 track->cb_color_fmask_bo[i] = NULL;
 123                 track->cb_color_cmask_bo[i] = NULL;
 124                 track->cb_color_cmask_slice[i] = 0;
 125                 track->cb_color_fmask_slice[i] = 0;
 126         }
 127
 128         for (i = 0; i < 12; i++) {
 129                 track->cb_color_bo[i] = NULL;
 130                 track->cb_color_bo_offset[i] = 0xFFFFFFFF;
 131                 track->cb_color_info[i] = 0;
 132                 track->cb_color_view[i] = 0xFFFFFFFF;
 133                 track->cb_color_pitch[i] = 0;
 134                 track->cb_color_slice[i] = 0xfffffff;
 135                 track->cb_color_slice_idx[i] = 0;
 136         }
 137         track->cb_target_mask = 0xFFFFFFFF;
 138         track->cb_shader_mask = 0xFFFFFFFF;
 139         track->cb_dirty = true;
 140
 141         track->db_depth_slice = 0xffffffff;
 142         track->db_depth_view = 0xFFFFC000;
 143         track->db_depth_size = 0xFFFFFFFF;
 144         track->db_depth_control = 0xFFFFFFFF;
 145         track->db_z_info = 0xFFFFFFFF;
 146         track->db_z_read_offset = 0xFFFFFFFF;
 147         track->db_z_write_offset = 0xFFFFFFFF;
 148         track->db_z_read_bo = NULL;
 149         track->db_z_write_bo = NULL;
 150         track->db_s_info = 0xFFFFFFFF;
 151         track->db_s_read_offset = 0xFFFFFFFF;
 152         track->db_s_write_offset = 0xFFFFFFFF;
 153         track->db_s_read_bo = NULL;
 154         track->db_s_write_bo = NULL;
 155         track->db_dirty = true;
 156         track->htile_bo = NULL;
 157         track->htile_offset = 0xFFFFFFFF;
 158         track->htile_surface = 0;
 159
 160         for (i = 0; i < 4; i++) {
 161                 track->vgt_strmout_size[i] = 0;
 162                 track->vgt_strmout_bo[i] = NULL;
 163                 track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
 164         }
 165         track->streamout_dirty = true;
 166         track->sx_misc_kill_all_prims = false;
 167 }
 168
 169 struct eg_surface {
 170         /* value gathered from cs */
 171         unsigned        nbx;
 172         unsigned        nby;
 173         unsigned        format;
 174         unsigned        mode;
 175         unsigned        nbanks;
 176         unsigned        bankw;
 177         unsigned        bankh;
 178         unsigned        tsplit;
 179         unsigned        mtilea;
 180         unsigned        nsamples;
 181         /* output value */
 182         unsigned        bpe;
 183         unsigned        layer_size;
 184         unsigned        palign;
 185         unsigned        halign;
 186         unsigned long   base_align;
 187 };
 188
 189 static int evergreen_surface_check_linear(struct radeon_cs_parser *p,
 190                                           struct eg_surface *surf,
 191                                           const char *prefix)
 192 {
 193         surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
 194         surf->base_align = surf->bpe;
 195         surf->palign = 1;
 196         surf->halign = 1;
 197         return 0;
 198 }
 199
 200 static int evergreen_surface_check_linear_aligned(struct radeon_cs_parser *p,
 201                                                   struct eg_surface *surf,
 202                                                   const char *prefix)
 203 {
 204         struct evergreen_cs_track *track = p->track;
 205         unsigned palign;
 206
 207         palign = MAX(64, track->group_size / surf->bpe);
 208         surf->layer_size = surf->nbx * surf->nby * surf->bpe * surf->nsamples;
 209         surf->base_align = track->group_size;
 210         surf->palign = palign;
 211         surf->halign = 1;
 212         if (surf->nbx & (palign - 1)) {
 213                 if (prefix) {
 214                         dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
 215                                  __func__, __LINE__, prefix, surf->nbx, palign);
 216                 }
 217                 return -EINVAL;
 218         }
 219         return 0;
 220 }
 221
 222 static int evergreen_surface_check_1d(struct radeon_cs_parser *p,
 223                                       struct eg_surface *surf,
 224                                       const char *prefix)
 225 {
 226         struct evergreen_cs_track *track = p->track;
 227         unsigned palign;
 228
 229         palign = track->group_size / (8 * surf->bpe * surf->nsamples);
 230         palign = MAX(8, palign);
 231         surf->layer_size = surf->nbx * surf->nby * surf->bpe;
 232         surf->base_align = track->group_size;
 233         surf->palign = palign;
 234         surf->halign = 8;
 235         if ((surf->nbx & (palign - 1))) {
 236                 if (prefix) {
 237                         dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d (%d %d %d)\n",
 238                                  __func__, __LINE__, prefix, surf->nbx, palign,
 239                                  track->group_size, surf->bpe, surf->nsamples);
 240                 }
 241                 return -EINVAL;
 242         }
 243         if ((surf->nby & (8 - 1))) {
 244                 if (prefix) {
 245                         dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with 8\n",
 246                                  __func__, __LINE__, prefix, surf->nby);
 247                 }
 248                 return -EINVAL;
 249         }
 250         return 0;
 251 }
 252
 253 static int evergreen_surface_check_2d(struct radeon_cs_parser *p,
 254                                       struct eg_surface *surf,
 255                                       const char *prefix)
 256 {
 257         struct evergreen_cs_track *track = p->track;
 258         unsigned palign, halign, tileb, slice_pt;
 259         unsigned mtile_pr, mtile_ps, mtileb;
 260
 261         tileb = 64 * surf->bpe * surf->nsamples;
 262         slice_pt = 1;
 263         if (tileb > surf->tsplit) {
 264                 slice_pt = tileb / surf->tsplit;
 265         }
 266         tileb = tileb / slice_pt;
 267         /* macro tile width & height */
 268         palign = (8 * surf->bankw * track->npipes) * surf->mtilea;
 269         halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea;
 270         mtileb = (palign / 8) * (halign / 8) * tileb;
 271         mtile_pr = surf->nbx / palign;
 272         mtile_ps = (mtile_pr * surf->nby) / halign;
 273         surf->layer_size = mtile_ps * mtileb * slice_pt;
 274         surf->base_align = (palign / 8) * (halign / 8) * tileb;
 275         surf->palign = palign;
 276         surf->halign = halign;
 277
 278         if ((surf->nbx & (palign - 1))) {
 279                 if (prefix) {
 280                         dev_warn(p->dev, "%s:%d %s pitch %d invalid must be aligned with %d\n",
 281                                  __func__, __LINE__, prefix, surf->nbx, palign);
 282                 }
 283                 return -EINVAL;
 284         }
 285         if ((surf->nby & (halign - 1))) {
 286                 if (prefix) {
 287                         dev_warn(p->dev, "%s:%d %s height %d invalid must be aligned with %d\n",
 288                                  __func__, __LINE__, prefix, surf->nby, halign);
 289                 }
 290                 return -EINVAL;
 291         }
 292
 293         return 0;
 294 }
 295
 296 static int evergreen_surface_check(struct radeon_cs_parser *p,
 297                                    struct eg_surface *surf,
 298                                    const char *prefix)
 299 {
 300         /* some common value computed here */
 301         surf->bpe = r600_fmt_get_blocksize(surf->format);
 302
 303         switch (surf->mode) {
 304         case ARRAY_LINEAR_GENERAL:
 305                 return evergreen_surface_check_linear(p, surf, prefix);
 306         case ARRAY_LINEAR_ALIGNED:
 307                 return evergreen_surface_check_linear_aligned(p, surf, prefix);
 308         case ARRAY_1D_TILED_THIN1:
 309                 return evergreen_surface_check_1d(p, surf, prefix);
 310         case ARRAY_2D_TILED_THIN1:
 311                 return evergreen_surface_check_2d(p, surf, prefix);
 312         default:
 313                 dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
 314                                 __func__, __LINE__, prefix, surf->mode);
 315                 return -EINVAL;
 316         }
 317         return -EINVAL;
 318 }
 319
 320 static int evergreen_surface_value_conv_check(struct radeon_cs_parser *p,
 321                                               struct eg_surface *surf,
 322                                               const char *prefix)
 323 {
 324         switch (surf->mode) {
 325         case ARRAY_2D_TILED_THIN1:
 326                 break;
 327         case ARRAY_LINEAR_GENERAL:
 328         case ARRAY_LINEAR_ALIGNED:
 329         case ARRAY_1D_TILED_THIN1:
 330                 return 0;
 331         default:
 332                 dev_warn(p->dev, "%s:%d %s invalid array mode %d\n",
 333                                 __func__, __LINE__, prefix, surf->mode);
 334                 return -EINVAL;
 335         }
 336
 337         switch (surf->nbanks) {
 338         case 0: surf->nbanks = 2; break;
 339         case 1: surf->nbanks = 4; break;
 340         case 2: surf->nbanks = 8; break;
 341         case 3: surf->nbanks = 16; break;
 342         default:
 343                 dev_warn(p->dev, "%s:%d %s invalid number of banks %d\n",
 344                          __func__, __LINE__, prefix, surf->nbanks);
 345                 return -EINVAL;
 346         }
 347         switch (surf->bankw) {
 348         case 0: surf->bankw = 1; break;
 349         case 1: surf->bankw = 2; break;
 350         case 2: surf->bankw = 4; break;
 351         case 3: surf->bankw = 8; break;
 352         default:
 353                 dev_warn(p->dev, "%s:%d %s invalid bankw %d\n",
 354                          __func__, __LINE__, prefix, surf->bankw);
 355                 return -EINVAL;
 356         }
 357         switch (surf->bankh) {
 358         case 0: surf->bankh = 1; break;
 359         case 1: surf->bankh = 2; break;
 360         case 2: surf->bankh = 4; break;
 361         case 3: surf->bankh = 8; break;
 362         default:
 363                 dev_warn(p->dev, "%s:%d %s invalid bankh %d\n",
 364                          __func__, __LINE__, prefix, surf->bankh);
 365                 return -EINVAL;
 366         }
 367         switch (surf->mtilea) {
 368         case 0: surf->mtilea = 1; break;
 369         case 1: surf->mtilea = 2; break;
 370         case 2: surf->mtilea = 4; break;
 371         case 3: surf->mtilea = 8; break;
 372         default:
 373                 dev_warn(p->dev, "%s:%d %s invalid macro tile aspect %d\n",
 374                          __func__, __LINE__, prefix, surf->mtilea);
 375                 return -EINVAL;
 376         }
 377         switch (surf->tsplit) {
 378         case 0: surf->tsplit = 64; break;
 379         case 1: surf->tsplit = 128; break;
 380         case 2: surf->tsplit = 256; break;
 381         case 3: surf->tsplit = 512; break;
 382         case 4: surf->tsplit = 1024; break;
 383         case 5: surf->tsplit = 2048; break;
 384         case 6: surf->tsplit = 4096; break;
 385         default:
 386                 dev_warn(p->dev, "%s:%d %s invalid tile split %d\n",
 387                          __func__, __LINE__, prefix, surf->tsplit);
 388                 return -EINVAL;
 389         }
 390         return 0;
 391 }
 392
 393 static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned id)
 394 {
 395         struct evergreen_cs_track *track = p->track;
 396         struct eg_surface surf;
 397         unsigned pitch, slice, mslice;
 398         unsigned long offset;
 399         int r;
 400
 401         mslice = G_028C6C_SLICE_MAX(track->cb_color_view[id]) + 1;
 402         pitch = track->cb_color_pitch[id];
 403         slice = track->cb_color_slice[id];
 404         surf.nbx = (pitch + 1) * 8;
 405         surf.nby = ((slice + 1) * 64) / surf.nbx;
 406         surf.mode = G_028C70_ARRAY_MODE(track->cb_color_info[id]);
 407         surf.format = G_028C70_FORMAT(track->cb_color_info[id]);
 408         surf.tsplit = G_028C74_TILE_SPLIT(track->cb_color_attrib[id]);
 409         surf.nbanks = G_028C74_NUM_BANKS(track->cb_color_attrib[id]);
 410         surf.bankw = G_028C74_BANK_WIDTH(track->cb_color_attrib[id]);
 411         surf.bankh = G_028C74_BANK_HEIGHT(track->cb_color_attrib[id]);
 412         surf.mtilea = G_028C74_MACRO_TILE_ASPECT(track->cb_color_attrib[id]);
 413         surf.nsamples = 1;
 414
 415         if (!r600_fmt_is_valid_color(surf.format)) {
 416                 dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08x)\n",
 417                          __func__, __LINE__, surf.format,
 418                         id, track->cb_color_info[id]);
 419                 return -EINVAL;
 420         }
 421
 422         r = evergreen_surface_value_conv_check(p, &surf, "cb");
 423         if (r) {
 424                 return r;
 425         }
 426
 427         r = evergreen_surface_check(p, &surf, "cb");
 428         if (r) {
 429                 dev_warn(p->dev, "%s:%d cb[%d] invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
 430                          __func__, __LINE__, id, track->cb_color_pitch[id],
 431                          track->cb_color_slice[id], track->cb_color_attrib[id],
 432                          track->cb_color_info[id]);
 433                 return r;
 434         }
 435
 436         offset = track->cb_color_bo_offset[id] << 8;
 437         if (offset & (surf.base_align - 1)) {
 438                 dev_warn(p->dev, "%s:%d cb[%d] bo base %ld not aligned with %ld\n",
 439                          __func__, __LINE__, id, offset, surf.base_align);
 440                 return -EINVAL;
 441         }
 442
 443         offset += surf.layer_size * mslice;
 444         if (offset > radeon_bo_size(track->cb_color_bo[id])) {
 445                 /* old ddx are broken they allocate bo with w*h*bpp but
 446                  * program slice with ALIGN(h, 8), catch this and patch
 447                  * command stream.
 448                  */
 449                 if (!surf.mode) {
 450                         uint32_t *ib = p->ib.ptr;
 451                         unsigned long tmp, nby, bsize, size, min = 0;
 452
 453                         /* find the height the ddx wants */
 454                         if (surf.nby > 8) {
 455                                 min = surf.nby - 8;
 456                         }
 457                         bsize = radeon_bo_size(track->cb_color_bo[id]);
 458                         tmp = track->cb_color_bo_offset[id] << 8;
 459                         for (nby = surf.nby; nby > min; nby--) {
 460                                 size = nby * surf.nbx * surf.bpe * surf.nsamples;
 461                                 if ((tmp + size * mslice) <= bsize) {
 462                                         break;
 463                                 }
 464                         }
 465                         if (nby > min) {
 466                                 surf.nby = nby;
 467                                 slice = ((nby * surf.nbx) / 64) - 1;
 468                                 if (!evergreen_surface_check(p, &surf, "cb")) {
 469                                         /* check if this one works */
 470                                         tmp += surf.layer_size * mslice;
 471                                         if (tmp <= bsize) {
 472                                                 ib[track->cb_color_slice_idx[id]] = slice;
 473                                                 goto old_ddx_ok;
 474                                         }
 475                                 }
 476                         }
 477                 }
 478                 dev_warn(p->dev, "%s:%d cb[%d] bo too small (layer size %d, "
 479                          "offset %d, max layer %d, bo size %ld, slice %d)\n",
 480                          __func__, __LINE__, id, surf.layer_size,
 481                         track->cb_color_bo_offset[id] << 8, mslice,
 482                         radeon_bo_size(track->cb_color_bo[id]), slice);
 483                 dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
 484                          __func__, __LINE__, surf.nbx, surf.nby,
 485                         surf.mode, surf.bpe, surf.nsamples,
 486                         surf.bankw, surf.bankh,
 487                         surf.tsplit, surf.mtilea);
 488                 return -EINVAL;
 489         }
 490 old_ddx_ok:
 491
 492         return 0;
 493 }
 494
 495 static int evergreen_cs_track_validate_htile(struct radeon_cs_parser *p,
 496                                                 unsigned nbx, unsigned nby)
 497 {
 498         struct evergreen_cs_track *track = p->track;
 499         unsigned long size;
 500
 501         if (track->htile_bo == NULL) {
 502                 dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
 503                                 __func__, __LINE__, track->db_z_info);
 504                 return -EINVAL;
 505         }
 506
 507         if (G_028ABC_LINEAR(track->htile_surface)) {
 508                 /* pitch must be 16 htiles aligned == 16 * 8 pixel aligned */
 509                 nbx = round_up(nbx, 16 * 8);
 510                 /* height is npipes htiles aligned == npipes * 8 pixel aligned */
 511                 nby = round_up(nby, track->npipes * 8);
 512         } else {
 513                 /* always assume 8x8 htile */
 514                 /* align is htile align * 8, htile align vary according to
 515                  * number of pipe and tile width and nby
 516                  */
 517                 switch (track->npipes) {
 518                 case 8:
 519                         /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 520                         nbx = round_up(nbx, 64 * 8);
 521                         nby = round_up(nby, 64 * 8);
 522                         break;
 523                 case 4:
 524                         /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 525                         nbx = round_up(nbx, 64 * 8);
 526                         nby = round_up(nby, 32 * 8);
 527                         break;
 528                 case 2:
 529                         /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 530                         nbx = round_up(nbx, 32 * 8);
 531                         nby = round_up(nby, 32 * 8);
 532                         break;
 533                 case 1:
 534                         /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 535                         nbx = round_up(nbx, 32 * 8);
 536                         nby = round_up(nby, 16 * 8);
 537                         break;
 538                 default:
 539                         dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
 540                                         __func__, __LINE__, track->npipes);
 541                         return -EINVAL;
 542                 }
 543         }
 544         /* compute number of htile */
 545         nbx = nbx >> 3;
 546         nby = nby >> 3;
 547         /* size must be aligned on npipes * 2K boundary */
 548         size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
 549         size += track->htile_offset;
 550
 551         if (size > radeon_bo_size(track->htile_bo)) {
 552                 dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
 553                                 __func__, __LINE__, radeon_bo_size(track->htile_bo),
 554                                 size, nbx, nby);
 555                 return -EINVAL;
 556         }
 557         return 0;
 558 }
 559
 560 static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p)
 561 {
 562         struct evergreen_cs_track *track = p->track;
 563         struct eg_surface surf;
 564         unsigned pitch, slice, mslice;
 565         unsigned long offset;
 566         int r;
 567
 568         mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
 569         pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
 570         slice = track->db_depth_slice;
 571         surf.nbx = (pitch + 1) * 8;
 572         surf.nby = ((slice + 1) * 64) / surf.nbx;
 573         surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
 574         surf.format = G_028044_FORMAT(track->db_s_info);
 575         surf.tsplit = G_028044_TILE_SPLIT(track->db_s_info);
 576         surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
 577         surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
 578         surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
 579         surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
 580         surf.nsamples = 1;
 581
 582         if (surf.format != 1) {
 583                 dev_warn(p->dev, "%s:%d stencil invalid format %d\n",
 584                          __func__, __LINE__, surf.format);
 585                 return -EINVAL;
 586         }
 587         /* replace by color format so we can use same code */
 588         surf.format = V_028C70_COLOR_8;
 589
 590         r = evergreen_surface_value_conv_check(p, &surf, "stencil");
 591         if (r) {
 592                 return r;
 593         }
 594
 595         r = evergreen_surface_check(p, &surf, NULL);
 596         if (r) {
 597                 /* old userspace doesn't compute proper depth/stencil alignment
 598                  * check that alignment against a bigger byte per elements and
 599                  * only report if that alignment is wrong too.
 600                  */
 601                 surf.format = V_028C70_COLOR_8_8_8_8;
 602                 r = evergreen_surface_check(p, &surf, "stencil");
 603                 if (r) {
 604                         dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
 605                                  __func__, __LINE__, track->db_depth_size,
 606                                  track->db_depth_slice, track->db_s_info, track->db_z_info);
 607                 }
 608                 return r;
 609         }
 610
 611         offset = track->db_s_read_offset << 8;
 612         if (offset & (surf.base_align - 1)) {
 613                 dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n",
 614                          __func__, __LINE__, offset, surf.base_align);
 615                 return -EINVAL;
 616         }
 617         offset += surf.layer_size * mslice;
 618         if (offset > radeon_bo_size(track->db_s_read_bo)) {
 619                 dev_warn(p->dev, "%s:%d stencil read bo too small (layer size %d, "
 620                          "offset %ld, max layer %d, bo size %ld)\n",
 621                          __func__, __LINE__, surf.layer_size,
 622                         (unsigned long)track->db_s_read_offset << 8, mslice,
 623                         radeon_bo_size(track->db_s_read_bo));
 624                 dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n",
 625                          __func__, __LINE__, track->db_depth_size,
 626                          track->db_depth_slice, track->db_s_info, track->db_z_info);
 627                 return -EINVAL;
 628         }
 629
 630         offset = track->db_s_write_offset << 8;
 631         if (offset & (surf.base_align - 1)) {
 632                 dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n",
 633                          __func__, __LINE__, offset, surf.base_align);
 634                 return -EINVAL;
 635         }
 636         offset += surf.layer_size * mslice;
 637         if (offset > radeon_bo_size(track->db_s_write_bo)) {
 638                 dev_warn(p->dev, "%s:%d stencil write bo too small (layer size %d, "
 639                          "offset %ld, max layer %d, bo size %ld)\n",
 640                          __func__, __LINE__, surf.layer_size,
 641                         (unsigned long)track->db_s_write_offset << 8, mslice,
 642                         radeon_bo_size(track->db_s_write_bo));
 643                 return -EINVAL;
 644         }
 645
 646         /* hyperz */
 647         if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
 648                 r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
 649                 if (r) {
 650                         return r;
 651                 }
 652         }
 653
 654         return 0;
 655 }
 656
 657 static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p)
 658 {
 659         struct evergreen_cs_track *track = p->track;
 660         struct eg_surface surf;
 661         unsigned pitch, slice, mslice;
 662         unsigned long offset;
 663         int r;
 664
 665         mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1;
 666         pitch = G_028058_PITCH_TILE_MAX(track->db_depth_size);
 667         slice = track->db_depth_slice;
 668         surf.nbx = (pitch + 1) * 8;
 669         surf.nby = ((slice + 1) * 64) / surf.nbx;
 670         surf.mode = G_028040_ARRAY_MODE(track->db_z_info);
 671         surf.format = G_028040_FORMAT(track->db_z_info);
 672         surf.tsplit = G_028040_TILE_SPLIT(track->db_z_info);
 673         surf.nbanks = G_028040_NUM_BANKS(track->db_z_info);
 674         surf.bankw = G_028040_BANK_WIDTH(track->db_z_info);
 675         surf.bankh = G_028040_BANK_HEIGHT(track->db_z_info);
 676         surf.mtilea = G_028040_MACRO_TILE_ASPECT(track->db_z_info);
 677         surf.nsamples = 1;
 678
 679         switch (surf.format) {
 680         case V_028040_Z_16:
 681                 surf.format = V_028C70_COLOR_16;
 682                 break;
 683         case V_028040_Z_24:
 684         case V_028040_Z_32_FLOAT:
 685                 surf.format = V_028C70_COLOR_8_8_8_8;
 686                 break;
 687         default:
 688                 dev_warn(p->dev, "%s:%d depth invalid format %d\n",
 689                          __func__, __LINE__, surf.format);
 690                 return -EINVAL;
 691         }
 692
 693         r = evergreen_surface_value_conv_check(p, &surf, "depth");
 694         if (r) {
 695                 dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
 696                          __func__, __LINE__, track->db_depth_size,
 697                          track->db_depth_slice, track->db_z_info);
 698                 return r;
 699         }
 700
 701         r = evergreen_surface_check(p, &surf, "depth");
 702         if (r) {
 703                 dev_warn(p->dev, "%s:%d depth invalid (0x%08x 0x%08x 0x%08x)\n",
 704                          __func__, __LINE__, track->db_depth_size,
 705                          track->db_depth_slice, track->db_z_info);
 706                 return r;
 707         }
 708
 709         offset = track->db_z_read_offset << 8;
 710         if (offset & (surf.base_align - 1)) {
 711                 dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n",
 712                          __func__, __LINE__, offset, surf.base_align);
 713                 return -EINVAL;
 714         }
 715         offset += surf.layer_size * mslice;
 716         if (offset > radeon_bo_size(track->db_z_read_bo)) {
 717                 dev_warn(p->dev, "%s:%d depth read bo too small (layer size %d, "
 718                          "offset %ld, max layer %d, bo size %ld)\n",
 719                          __func__, __LINE__, surf.layer_size,
 720                         (unsigned long)track->db_z_read_offset << 8, mslice,
 721                         radeon_bo_size(track->db_z_read_bo));
 722                 return -EINVAL;
 723         }
 724
 725         offset = track->db_z_write_offset << 8;
 726         if (offset & (surf.base_align - 1)) {
 727                 dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n",
 728                          __func__, __LINE__, offset, surf.base_align);
 729                 return -EINVAL;
 730         }
 731         offset += surf.layer_size * mslice;
 732         if (offset > radeon_bo_size(track->db_z_write_bo)) {
 733                 dev_warn(p->dev, "%s:%d depth write bo too small (layer size %d, "
 734                          "offset %ld, max layer %d, bo size %ld)\n",
 735                          __func__, __LINE__, surf.layer_size,
 736                         (unsigned long)track->db_z_write_offset << 8, mslice,
 737                         radeon_bo_size(track->db_z_write_bo));
 738                 return -EINVAL;
 739         }
 740
 741         /* hyperz */
 742         if (G_028040_TILE_SURFACE_ENABLE(track->db_z_info)) {
 743                 r = evergreen_cs_track_validate_htile(p, surf.nbx, surf.nby);
 744                 if (r) {
 745                         return r;
 746                 }
 747         }
 748
 749         return 0;
 750 }
 751
 752 static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p,
 753                                                struct radeon_bo *texture,
 754                                                struct radeon_bo *mipmap,
 755                                                unsigned idx)
 756 {
 757         struct eg_surface surf;
 758         unsigned long toffset, moffset;
 759         unsigned dim, llevel, mslice, width, height, depth, i;
 760         u32 texdw[8];
 761         int r;
 762
 763         texdw[0] = radeon_get_ib_value(p, idx + 0);
 764         texdw[1] = radeon_get_ib_value(p, idx + 1);
 765         texdw[2] = radeon_get_ib_value(p, idx + 2);
 766         texdw[3] = radeon_get_ib_value(p, idx + 3);
 767         texdw[4] = radeon_get_ib_value(p, idx + 4);
 768         texdw[5] = radeon_get_ib_value(p, idx + 5);
 769         texdw[6] = radeon_get_ib_value(p, idx + 6);
 770         texdw[7] = radeon_get_ib_value(p, idx + 7);
 771         dim = G_030000_DIM(texdw[0]);
 772         llevel = G_030014_LAST_LEVEL(texdw[5]);
 773         mslice = G_030014_LAST_ARRAY(texdw[5]) + 1;
 774         width = G_030000_TEX_WIDTH(texdw[0]) + 1;
 775         height =  G_030004_TEX_HEIGHT(texdw[1]) + 1;
 776         depth = G_030004_TEX_DEPTH(texdw[1]) + 1;
 777         surf.format = G_03001C_DATA_FORMAT(texdw[7]);
 778         surf.nbx = (G_030000_PITCH(texdw[0]) + 1) * 8;
 779         surf.nbx = r600_fmt_get_nblocksx(surf.format, surf.nbx);
 780         surf.nby = r600_fmt_get_nblocksy(surf.format, height);
 781         surf.mode = G_030004_ARRAY_MODE(texdw[1]);
 782         surf.tsplit = G_030018_TILE_SPLIT(texdw[6]);
 783         surf.nbanks = G_03001C_NUM_BANKS(texdw[7]);
 784         surf.bankw = G_03001C_BANK_WIDTH(texdw[7]);
 785         surf.bankh = G_03001C_BANK_HEIGHT(texdw[7]);
 786         surf.mtilea = G_03001C_MACRO_TILE_ASPECT(texdw[7]);
 787         surf.nsamples = 1;
 788         toffset = texdw[2] << 8;
 789         moffset = texdw[3] << 8;
 790
 791         if (!r600_fmt_is_valid_texture(surf.format, p->family)) {
 792                 dev_warn(p->dev, "%s:%d texture invalid format %d\n",
 793                          __func__, __LINE__, surf.format);
 794                 return -EINVAL;
 795         }
 796         switch (dim) {
 797         case V_030000_SQ_TEX_DIM_1D:
 798         case V_030000_SQ_TEX_DIM_2D:
 799         case V_030000_SQ_TEX_DIM_CUBEMAP:
 800         case V_030000_SQ_TEX_DIM_1D_ARRAY:
 801         case V_030000_SQ_TEX_DIM_2D_ARRAY:
 802                 depth = 1;
 803                 break;
 804         case V_030000_SQ_TEX_DIM_2D_MSAA:
 805         case V_030000_SQ_TEX_DIM_2D_ARRAY_MSAA:
 806                 surf.nsamples = 1 << llevel;
 807                 llevel = 0;
 808                 depth = 1;
 809                 break;
 810         case V_030000_SQ_TEX_DIM_3D:
 811                 break;
 812         default:
 813                 dev_warn(p->dev, "%s:%d texture invalid dimension %d\n",
 814                          __func__, __LINE__, dim);
 815                 return -EINVAL;
 816         }
 817
 818         r = evergreen_surface_value_conv_check(p, &surf, "texture");
 819         if (r) {
 820                 return r;
 821         }
 822
 823         /* align height */
 824         evergreen_surface_check(p, &surf, NULL);
 825         surf.nby = ALIGN(surf.nby, surf.halign);
 826
 827         r = evergreen_surface_check(p, &surf, "texture");
 828         if (r) {
 829                 dev_warn(p->dev, "%s:%d texture invalid 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
 830                          __func__, __LINE__, texdw[0], texdw[1], texdw[4],
 831                          texdw[5], texdw[6], texdw[7]);
 832                 return r;
 833         }
 834
 835         /* check texture size */
 836         if (toffset & (surf.base_align - 1)) {
 837                 dev_warn(p->dev, "%s:%d texture bo base %ld not aligned with %ld\n",
 838                          __func__, __LINE__, toffset, surf.base_align);
 839                 return -EINVAL;
 840         }
 841         if (surf.nsamples <= 1 && moffset & (surf.base_align - 1)) {
 842                 dev_warn(p->dev, "%s:%d mipmap bo base %ld not aligned with %ld\n",
 843                          __func__, __LINE__, moffset, surf.base_align);
 844                 return -EINVAL;
 845         }
 846         if (dim == SQ_TEX_DIM_3D) {
 847                 toffset += surf.layer_size * depth;
 848         } else {
 849                 toffset += surf.layer_size * mslice;
 850         }
 851         if (toffset > radeon_bo_size(texture)) {
 852                 dev_warn(p->dev, "%s:%d texture bo too small (layer size %d, "
 853                          "offset %ld, max layer %d, depth %d, bo size %ld) (%d %d)\n",
 854                          __func__, __LINE__, surf.layer_size,
 855                         (unsigned long)texdw[2] << 8, mslice,
 856                         depth, radeon_bo_size(texture),
 857                         surf.nbx, surf.nby);
 858                 return -EINVAL;
 859         }
 860
 861         if (!mipmap) {
 862                 if (llevel) {
 863                         dev_warn(p->dev, "%s:%i got NULL MIP_ADDRESS relocation\n",
 864                                  __func__, __LINE__);
 865                         return -EINVAL;
 866                 } else {
 867                         return 0; /* everything's ok */
 868                 }
 869         }
 870
 871         /* check mipmap size */
 872         for (i = 1; i <= llevel; i++) {
 873                 unsigned w, h, d;
 874
 875                 w = r600_mip_minify(width, i);
 876                 h = r600_mip_minify(height, i);
 877                 d = r600_mip_minify(depth, i);
 878                 surf.nbx = r600_fmt_get_nblocksx(surf.format, w);
 879                 surf.nby = r600_fmt_get_nblocksy(surf.format, h);
 880
 881                 switch (surf.mode) {
 882                 case ARRAY_2D_TILED_THIN1:
 883                         if (surf.nbx < surf.palign || surf.nby < surf.halign) {
 884                                 surf.mode = ARRAY_1D_TILED_THIN1;
 885                         }
 886                         /* recompute alignment */
 887                         evergreen_surface_check(p, &surf, NULL);
 888                         break;
 889                 case ARRAY_LINEAR_GENERAL:
 890                 case ARRAY_LINEAR_ALIGNED:
 891                 case ARRAY_1D_TILED_THIN1:
 892                         break;
 893                 default:
 894                         dev_warn(p->dev, "%s:%d invalid array mode %d\n",
 895                                  __func__, __LINE__, surf.mode);
 896                         return -EINVAL;
 897                 }
 898                 surf.nbx = ALIGN(surf.nbx, surf.palign);
 899                 surf.nby = ALIGN(surf.nby, surf.halign);
 900
 901                 r = evergreen_surface_check(p, &surf, "mipmap");
 902                 if (r) {
 903                         return r;
 904                 }
 905
 906                 if (dim == SQ_TEX_DIM_3D) {
 907                         moffset += surf.layer_size * d;
 908                 } else {
 909                         moffset += surf.layer_size * mslice;
 910                 }
 911                 if (moffset > radeon_bo_size(mipmap)) {
 912                         dev_warn(p->dev, "%s:%d mipmap [%d] bo too small (layer size %d, "
 913                                         "offset %ld, coffset %ld, max layer %d, depth %d, "
 914                                         "bo size %ld) level0 (%d %d %d)\n",
 915                                         __func__, __LINE__, i, surf.layer_size,
 916                                         (unsigned long)texdw[3] << 8, moffset, mslice,
 917                                         d, radeon_bo_size(mipmap),
 918                                         width, height, depth);
 919                         dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n",
 920                                  __func__, __LINE__, surf.nbx, surf.nby,
 921                                 surf.mode, surf.bpe, surf.nsamples,
 922                                 surf.bankw, surf.bankh,
 923                                 surf.tsplit, surf.mtilea);
 924                         return -EINVAL;
 925                 }
 926         }
 927
 928         return 0;
 929 }
 930
 931 static int evergreen_cs_track_check(struct radeon_cs_parser *p)
 932 {
 933         struct evergreen_cs_track *track = p->track;
 934         unsigned tmp, i;
 935         int r;
 936         unsigned buffer_mask = 0;
 937
 938         /* check streamout */
 939         if (track->streamout_dirty && track->vgt_strmout_config) {
 940                 for (i = 0; i < 4; i++) {
 941                         if (track->vgt_strmout_config & (1 << i)) {
 942                                 buffer_mask |= (track->vgt_strmout_buffer_config >> (i * 4)) & 0xf;
 943                         }
 944                 }
 945
 946                 for (i = 0; i < 4; i++) {
 947                         if (buffer_mask & (1 << i)) {
 948                                 if (track->vgt_strmout_bo[i]) {
 949                                         u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
 950                                                         (u64)track->vgt_strmout_size[i];
 951                                         if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
 952                                                 DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
 953                                                           i, offset,
 954                                                           radeon_bo_size(track->vgt_strmout_bo[i]));
 955                                                 return -EINVAL;
 956                                         }
 957                                 } else {
 958                                         dev_warn(p->dev, "No buffer for streamout %d\n", i);
 959                                         return -EINVAL;
 960                                 }
 961                         }
 962                 }
 963                 track->streamout_dirty = false;
 964         }
 965
 966         if (track->sx_misc_kill_all_prims)
 967                 return 0;
 968
 969         /* check that we have a cb for each enabled target
 970          */
 971         if (track->cb_dirty) {
 972                 tmp = track->cb_target_mask;
 973                 for (i = 0; i < 8; i++) {
 974                         u32 format = G_028C70_FORMAT(track->cb_color_info[i]);
 975
 976                         if (format != V_028C70_COLOR_INVALID &&
 977                             (tmp >> (i * 4)) & 0xF) {
 978                                 /* at least one component is enabled */
 979                                 if (track->cb_color_bo[i] == NULL) {
 980                                         dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
 981                                                 __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
 982                                         return -EINVAL;
 983                                 }
 984                                 /* check cb */
 985                                 r = evergreen_cs_track_validate_cb(p, i);
 986                                 if (r) {
 987                                         return r;
 988                                 }
 989                         }
 990                 }
 991                 track->cb_dirty = false;
 992         }
 993
 994         if (track->db_dirty) {
 995                 /* Check stencil buffer */
 996                 if (G_028044_FORMAT(track->db_s_info) != V_028044_STENCIL_INVALID &&
 997                     G_028800_STENCIL_ENABLE(track->db_depth_control)) {
 998                         r = evergreen_cs_track_validate_stencil(p);
 999                         if (r)
1000                                 return r;
1001                 }
1002                 /* Check depth buffer */
1003                 if (G_028040_FORMAT(track->db_z_info) != V_028040_Z_INVALID &&
1004                     G_028800_Z_ENABLE(track->db_depth_control)) {
1005                         r = evergreen_cs_track_validate_depth(p);
1006                         if (r)
1007                                 return r;
1008                 }
1009                 track->db_dirty = false;
1010         }
1011
1012         return 0;
1013 }
1014
1015 /**
1016  * evergreen_cs_packet_parse_vline() - parse userspace VLINE packet
1017  * @parser:             parser structure holding parsing context.
1018  *
1019  * This is an Evergreen(+)-specific function for parsing VLINE packets.
1020  * Real work is done by r600_cs_common_vline_parse function.
1021  * Here we just set up ASIC-specific register table and call
1022  * the common implementation function.
1023  */
1024 static int evergreen_cs_packet_parse_vline(struct radeon_cs_parser *p)
1025 {
1026
1027         static uint32_t vline_start_end[6] = {
1028                 EVERGREEN_VLINE_START_END + EVERGREEN_CRTC0_REGISTER_OFFSET,
1029                 EVERGREEN_VLINE_START_END + EVERGREEN_CRTC1_REGISTER_OFFSET,
1030                 EVERGREEN_VLINE_START_END + EVERGREEN_CRTC2_REGISTER_OFFSET,
1031                 EVERGREEN_VLINE_START_END + EVERGREEN_CRTC3_REGISTER_OFFSET,
1032                 EVERGREEN_VLINE_START_END + EVERGREEN_CRTC4_REGISTER_OFFSET,
1033                 EVERGREEN_VLINE_START_END + EVERGREEN_CRTC5_REGISTER_OFFSET
1034         };
1035         static uint32_t vline_status[6] = {
1036                 EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1037                 EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1038                 EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1039                 EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1040                 EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1041                 EVERGREEN_VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET
1042         };
1043
1044         return r600_cs_common_vline_parse(p, vline_start_end, vline_status);
1045 }
1046
1047 static int evergreen_packet0_check(struct radeon_cs_parser *p,
1048                                    struct radeon_cs_packet *pkt,
1049                                    unsigned idx, unsigned reg)
1050 {
1051         int r;
1052
1053         switch (reg) {
1054         case EVERGREEN_VLINE_START_END:
1055                 r = evergreen_cs_packet_parse_vline(p);
1056                 if (r) {
1057                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1058                                         idx, reg);
1059                         return r;
1060                 }
1061                 break;
1062         default:
1063                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1064                        reg, idx);
1065                 return -EINVAL;
1066         }
1067         return 0;
1068 }
1069
1070 static int evergreen_cs_parse_packet0(struct radeon_cs_parser *p,
1071                                       struct radeon_cs_packet *pkt)
1072 {
1073         unsigned reg, i;
1074         unsigned idx;
1075         int r;
1076
1077         idx = pkt->idx + 1;
1078         reg = pkt->reg;
1079         for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
1080                 r = evergreen_packet0_check(p, pkt, idx, reg);
1081                 if (r) {
1082                         return r;
1083                 }
1084         }
1085         return 0;
1086 }
1087
1088 /**
1089  * evergreen_cs_handle_reg() - process registers that need special handling.
1090  * @parser: parser structure holding parsing context
1091  * @reg: register we are testing
1092  * @idx: index into the cs buffer
1093  */
1094 static int evergreen_cs_handle_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1095 {
1096         struct evergreen_cs_track *track = (struct evergreen_cs_track *)p->track;
1097         struct radeon_bo_list *reloc;
1098         u32 tmp, *ib;
1099         int r;
1100
1101         ib = p->ib.ptr;
1102         switch (reg) {
1103         /* force following reg to 0 in an attempt to disable out buffer
1104          * which will need us to better understand how it works to perform
1105          * security check on it (Jerome)
1106          */
1107         case SQ_ESGS_RING_SIZE:
1108         case SQ_GSVS_RING_SIZE:
1109         case SQ_ESTMP_RING_SIZE:
1110         case SQ_GSTMP_RING_SIZE:
1111         case SQ_HSTMP_RING_SIZE:
1112         case SQ_LSTMP_RING_SIZE:
1113         case SQ_PSTMP_RING_SIZE:
1114         case SQ_VSTMP_RING_SIZE:
1115         case SQ_ESGS_RING_ITEMSIZE:
1116         case SQ_ESTMP_RING_ITEMSIZE:
1117         case SQ_GSTMP_RING_ITEMSIZE:
1118         case SQ_GSVS_RING_ITEMSIZE:
1119         case SQ_GS_VERT_ITEMSIZE:
1120         case SQ_GS_VERT_ITEMSIZE_1:
1121         case SQ_GS_VERT_ITEMSIZE_2:
1122         case SQ_GS_VERT_ITEMSIZE_3:
1123         case SQ_GSVS_RING_OFFSET_1:
1124         case SQ_GSVS_RING_OFFSET_2:
1125         case SQ_GSVS_RING_OFFSET_3:
1126         case SQ_HSTMP_RING_ITEMSIZE:
1127         case SQ_LSTMP_RING_ITEMSIZE:
1128         case SQ_PSTMP_RING_ITEMSIZE:
1129         case SQ_VSTMP_RING_ITEMSIZE:
1130         case VGT_TF_RING_SIZE:
1131                 /* get value to populate the IB don't remove */
1132                 /*tmp =radeon_get_ib_value(p, idx);
1133                   ib[idx] = 0;*/
1134                 break;
1135         case SQ_ESGS_RING_BASE:
1136         case SQ_GSVS_RING_BASE:
1137         case SQ_ESTMP_RING_BASE:
1138         case SQ_GSTMP_RING_BASE:
1139         case SQ_HSTMP_RING_BASE:
1140         case SQ_LSTMP_RING_BASE:
1141         case SQ_PSTMP_RING_BASE:
1142         case SQ_VSTMP_RING_BASE:
1143                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1144                 if (r) {
1145                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1146                                         "0x%04X\n", reg);
1147                         return -EINVAL;
1148                 }
1149                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1150                 break;
1151         case DB_DEPTH_CONTROL:
1152                 track->db_depth_control = radeon_get_ib_value(p, idx);
1153                 track->db_dirty = true;
1154                 break;
1155         case CAYMAN_DB_EQAA:
1156                 if (p->rdev->family < CHIP_CAYMAN) {
1157                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1158                                  "0x%04X\n", reg);
1159                         return -EINVAL;
1160                 }
1161                 break;
1162         case CAYMAN_DB_DEPTH_INFO:
1163                 if (p->rdev->family < CHIP_CAYMAN) {
1164                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1165                                  "0x%04X\n", reg);
1166                         return -EINVAL;
1167                 }
1168                 break;
1169         case DB_Z_INFO:
1170                 track->db_z_info = radeon_get_ib_value(p, idx);
1171                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1172                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1173                         if (r) {
1174                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1175                                                 "0x%04X\n", reg);
1176                                 return -EINVAL;
1177                         }
1178                         ib[idx] &= ~Z_ARRAY_MODE(0xf);
1179                         track->db_z_info &= ~Z_ARRAY_MODE(0xf);
1180                         ib[idx] |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1181                         track->db_z_info |= Z_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1182                         if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1183                                 unsigned bankw, bankh, mtaspect, tile_split;
1184
1185                                 evergreen_tiling_fields(reloc->tiling_flags,
1186                                                         &bankw, &bankh, &mtaspect,
1187                                                         &tile_split);
1188                                 ib[idx] |= DB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1189                                 ib[idx] |= DB_TILE_SPLIT(tile_split) |
1190                                                 DB_BANK_WIDTH(bankw) |
1191                                                 DB_BANK_HEIGHT(bankh) |
1192                                                 DB_MACRO_TILE_ASPECT(mtaspect);
1193                         }
1194                 }
1195                 track->db_dirty = true;
1196                 break;
1197         case DB_STENCIL_INFO:
1198                 track->db_s_info = radeon_get_ib_value(p, idx);
1199                 track->db_dirty = true;
1200                 break;
1201         case DB_DEPTH_VIEW:
1202                 track->db_depth_view = radeon_get_ib_value(p, idx);
1203                 track->db_dirty = true;
1204                 break;
1205         case DB_DEPTH_SIZE:
1206                 track->db_depth_size = radeon_get_ib_value(p, idx);
1207                 track->db_dirty = true;
1208                 break;
1209         case R_02805C_DB_DEPTH_SLICE:
1210                 track->db_depth_slice = radeon_get_ib_value(p, idx);
1211                 track->db_dirty = true;
1212                 break;
1213         case DB_Z_READ_BASE:
1214                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1215                 if (r) {
1216                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1217                                         "0x%04X\n", reg);
1218                         return -EINVAL;
1219                 }
1220                 track->db_z_read_offset = radeon_get_ib_value(p, idx);
1221                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1222                 track->db_z_read_bo = reloc->robj;
1223                 track->db_dirty = true;
1224                 break;
1225         case DB_Z_WRITE_BASE:
1226                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1227                 if (r) {
1228                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1229                                         "0x%04X\n", reg);
1230                         return -EINVAL;
1231                 }
1232                 track->db_z_write_offset = radeon_get_ib_value(p, idx);
1233                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1234                 track->db_z_write_bo = reloc->robj;
1235                 track->db_dirty = true;
1236                 break;
1237         case DB_STENCIL_READ_BASE:
1238                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1239                 if (r) {
1240                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1241                                         "0x%04X\n", reg);
1242                         return -EINVAL;
1243                 }
1244                 track->db_s_read_offset = radeon_get_ib_value(p, idx);
1245                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1246                 track->db_s_read_bo = reloc->robj;
1247                 track->db_dirty = true;
1248                 break;
1249         case DB_STENCIL_WRITE_BASE:
1250                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1251                 if (r) {
1252                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1253                                         "0x%04X\n", reg);
1254                         return -EINVAL;
1255                 }
1256                 track->db_s_write_offset = radeon_get_ib_value(p, idx);
1257                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1258                 track->db_s_write_bo = reloc->robj;
1259                 track->db_dirty = true;
1260                 break;
1261         case VGT_STRMOUT_CONFIG:
1262                 track->vgt_strmout_config = radeon_get_ib_value(p, idx);
1263                 track->streamout_dirty = true;
1264                 break;
1265         case VGT_STRMOUT_BUFFER_CONFIG:
1266                 track->vgt_strmout_buffer_config = radeon_get_ib_value(p, idx);
1267                 track->streamout_dirty = true;
1268                 break;
1269         case VGT_STRMOUT_BUFFER_BASE_0:
1270         case VGT_STRMOUT_BUFFER_BASE_1:
1271         case VGT_STRMOUT_BUFFER_BASE_2:
1272         case VGT_STRMOUT_BUFFER_BASE_3:
1273                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1274                 if (r) {
1275                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1276                                         "0x%04X\n", reg);
1277                         return -EINVAL;
1278                 }
1279                 tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1280                 track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1281                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1282                 track->vgt_strmout_bo[tmp] = reloc->robj;
1283                 track->streamout_dirty = true;
1284                 break;
1285         case VGT_STRMOUT_BUFFER_SIZE_0:
1286         case VGT_STRMOUT_BUFFER_SIZE_1:
1287         case VGT_STRMOUT_BUFFER_SIZE_2:
1288         case VGT_STRMOUT_BUFFER_SIZE_3:
1289                 tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1290                 /* size in register is DWs, convert to bytes */
1291                 track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1292                 track->streamout_dirty = true;
1293                 break;
1294         case CP_COHER_BASE:
1295                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1296                 if (r) {
1297                         dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1298                                         "0x%04X\n", reg);
1299                         return -EINVAL;
1300                 }
1301                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1302         case CB_TARGET_MASK:
1303                 track->cb_target_mask = radeon_get_ib_value(p, idx);
1304                 track->cb_dirty = true;
1305                 break;
1306         case CB_SHADER_MASK:
1307                 track->cb_shader_mask = radeon_get_ib_value(p, idx);
1308                 track->cb_dirty = true;
1309                 break;
1310         case PA_SC_AA_CONFIG:
1311                 if (p->rdev->family >= CHIP_CAYMAN) {
1312                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1313                                  "0x%04X\n", reg);
1314                         return -EINVAL;
1315                 }
1316                 tmp = radeon_get_ib_value(p, idx) & MSAA_NUM_SAMPLES_MASK;
1317                 track->nsamples = 1 << tmp;
1318                 break;
1319         case CAYMAN_PA_SC_AA_CONFIG:
1320                 if (p->rdev->family < CHIP_CAYMAN) {
1321                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1322                                  "0x%04X\n", reg);
1323                         return -EINVAL;
1324                 }
1325                 tmp = radeon_get_ib_value(p, idx) & CAYMAN_MSAA_NUM_SAMPLES_MASK;
1326                 track->nsamples = 1 << tmp;
1327                 break;
1328         case CB_COLOR0_VIEW:
1329         case CB_COLOR1_VIEW:
1330         case CB_COLOR2_VIEW:
1331         case CB_COLOR3_VIEW:
1332         case CB_COLOR4_VIEW:
1333         case CB_COLOR5_VIEW:
1334         case CB_COLOR6_VIEW:
1335         case CB_COLOR7_VIEW:
1336                 tmp = (reg - CB_COLOR0_VIEW) / 0x3c;
1337                 track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1338                 track->cb_dirty = true;
1339                 break;
1340         case CB_COLOR8_VIEW:
1341         case CB_COLOR9_VIEW:
1342         case CB_COLOR10_VIEW:
1343         case CB_COLOR11_VIEW:
1344                 tmp = ((reg - CB_COLOR8_VIEW) / 0x1c) + 8;
1345                 track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1346                 track->cb_dirty = true;
1347                 break;
1348         case CB_COLOR0_INFO:
1349         case CB_COLOR1_INFO:
1350         case CB_COLOR2_INFO:
1351         case CB_COLOR3_INFO:
1352         case CB_COLOR4_INFO:
1353         case CB_COLOR5_INFO:
1354         case CB_COLOR6_INFO:
1355         case CB_COLOR7_INFO:
1356                 tmp = (reg - CB_COLOR0_INFO) / 0x3c;
1357                 track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1358                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1359                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1360                         if (r) {
1361                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1362                                                 "0x%04X\n", reg);
1363                                 return -EINVAL;
1364                         }
1365                         ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1366                         track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1367                 }
1368                 track->cb_dirty = true;
1369                 break;
1370         case CB_COLOR8_INFO:
1371         case CB_COLOR9_INFO:
1372         case CB_COLOR10_INFO:
1373         case CB_COLOR11_INFO:
1374                 tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
1375                 track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1376                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1377                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1378                         if (r) {
1379                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1380                                                 "0x%04X\n", reg);
1381                                 return -EINVAL;
1382                         }
1383                         ib[idx] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1384                         track->cb_color_info[tmp] |= CB_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
1385                 }
1386                 track->cb_dirty = true;
1387                 break;
1388         case CB_COLOR0_PITCH:
1389         case CB_COLOR1_PITCH:
1390         case CB_COLOR2_PITCH:
1391         case CB_COLOR3_PITCH:
1392         case CB_COLOR4_PITCH:
1393         case CB_COLOR5_PITCH:
1394         case CB_COLOR6_PITCH:
1395         case CB_COLOR7_PITCH:
1396                 tmp = (reg - CB_COLOR0_PITCH) / 0x3c;
1397                 track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
1398                 track->cb_dirty = true;
1399                 break;
1400         case CB_COLOR8_PITCH:
1401         case CB_COLOR9_PITCH:
1402         case CB_COLOR10_PITCH:
1403         case CB_COLOR11_PITCH:
1404                 tmp = ((reg - CB_COLOR8_PITCH) / 0x1c) + 8;
1405                 track->cb_color_pitch[tmp] = radeon_get_ib_value(p, idx);
1406                 track->cb_dirty = true;
1407                 break;
1408         case CB_COLOR0_SLICE:
1409         case CB_COLOR1_SLICE:
1410         case CB_COLOR2_SLICE:
1411         case CB_COLOR3_SLICE:
1412         case CB_COLOR4_SLICE:
1413         case CB_COLOR5_SLICE:
1414         case CB_COLOR6_SLICE:
1415         case CB_COLOR7_SLICE:
1416                 tmp = (reg - CB_COLOR0_SLICE) / 0x3c;
1417                 track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
1418                 track->cb_color_slice_idx[tmp] = idx;
1419                 track->cb_dirty = true;
1420                 break;
1421         case CB_COLOR8_SLICE:
1422         case CB_COLOR9_SLICE:
1423         case CB_COLOR10_SLICE:
1424         case CB_COLOR11_SLICE:
1425                 tmp = ((reg - CB_COLOR8_SLICE) / 0x1c) + 8;
1426                 track->cb_color_slice[tmp] = radeon_get_ib_value(p, idx);
1427                 track->cb_color_slice_idx[tmp] = idx;
1428                 track->cb_dirty = true;
1429                 break;
1430         case CB_COLOR0_ATTRIB:
1431         case CB_COLOR1_ATTRIB:
1432         case CB_COLOR2_ATTRIB:
1433         case CB_COLOR3_ATTRIB:
1434         case CB_COLOR4_ATTRIB:
1435         case CB_COLOR5_ATTRIB:
1436         case CB_COLOR6_ATTRIB:
1437         case CB_COLOR7_ATTRIB:
1438                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1439                 if (r) {
1440                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1441                                         "0x%04X\n", reg);
1442                         return -EINVAL;
1443                 }
1444                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1445                         if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1446                                 unsigned bankw, bankh, mtaspect, tile_split;
1447
1448                                 evergreen_tiling_fields(reloc->tiling_flags,
1449                                                         &bankw, &bankh, &mtaspect,
1450                                                         &tile_split);
1451                                 ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1452                                 ib[idx] |= CB_TILE_SPLIT(tile_split) |
1453                                            CB_BANK_WIDTH(bankw) |
1454                                            CB_BANK_HEIGHT(bankh) |
1455                                            CB_MACRO_TILE_ASPECT(mtaspect);
1456                         }
1457                 }
1458                 tmp = ((reg - CB_COLOR0_ATTRIB) / 0x3c);
1459                 track->cb_color_attrib[tmp] = ib[idx];
1460                 track->cb_dirty = true;
1461                 break;
1462         case CB_COLOR8_ATTRIB:
1463         case CB_COLOR9_ATTRIB:
1464         case CB_COLOR10_ATTRIB:
1465         case CB_COLOR11_ATTRIB:
1466                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1467                 if (r) {
1468                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1469                                         "0x%04X\n", reg);
1470                         return -EINVAL;
1471                 }
1472                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1473                         if (reloc->tiling_flags & RADEON_TILING_MACRO) {
1474                                 unsigned bankw, bankh, mtaspect, tile_split;
1475
1476                                 evergreen_tiling_fields(reloc->tiling_flags,
1477                                                         &bankw, &bankh, &mtaspect,
1478                                                         &tile_split);
1479                                 ib[idx] |= CB_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
1480                                 ib[idx] |= CB_TILE_SPLIT(tile_split) |
1481                                            CB_BANK_WIDTH(bankw) |
1482                                            CB_BANK_HEIGHT(bankh) |
1483                                            CB_MACRO_TILE_ASPECT(mtaspect);
1484                         }
1485                 }
1486                 tmp = ((reg - CB_COLOR8_ATTRIB) / 0x1c) + 8;
1487                 track->cb_color_attrib[tmp] = ib[idx];
1488                 track->cb_dirty = true;
1489                 break;
1490         case CB_COLOR0_FMASK:
1491         case CB_COLOR1_FMASK:
1492         case CB_COLOR2_FMASK:
1493         case CB_COLOR3_FMASK:
1494         case CB_COLOR4_FMASK:
1495         case CB_COLOR5_FMASK:
1496         case CB_COLOR6_FMASK:
1497         case CB_COLOR7_FMASK:
1498                 tmp = (reg - CB_COLOR0_FMASK) / 0x3c;
1499                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1500                 if (r) {
1501                         dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1502                         return -EINVAL;
1503                 }
1504                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1505                 track->cb_color_fmask_bo[tmp] = reloc->robj;
1506                 break;
1507         case CB_COLOR0_CMASK:
1508         case CB_COLOR1_CMASK:
1509         case CB_COLOR2_CMASK:
1510         case CB_COLOR3_CMASK:
1511         case CB_COLOR4_CMASK:
1512         case CB_COLOR5_CMASK:
1513         case CB_COLOR6_CMASK:
1514         case CB_COLOR7_CMASK:
1515                 tmp = (reg - CB_COLOR0_CMASK) / 0x3c;
1516                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1517                 if (r) {
1518                         dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1519                         return -EINVAL;
1520                 }
1521                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1522                 track->cb_color_cmask_bo[tmp] = reloc->robj;
1523                 break;
1524         case CB_COLOR0_FMASK_SLICE:
1525         case CB_COLOR1_FMASK_SLICE:
1526         case CB_COLOR2_FMASK_SLICE:
1527         case CB_COLOR3_FMASK_SLICE:
1528         case CB_COLOR4_FMASK_SLICE:
1529         case CB_COLOR5_FMASK_SLICE:
1530         case CB_COLOR6_FMASK_SLICE:
1531         case CB_COLOR7_FMASK_SLICE:
1532                 tmp = (reg - CB_COLOR0_FMASK_SLICE) / 0x3c;
1533                 track->cb_color_fmask_slice[tmp] = radeon_get_ib_value(p, idx);
1534                 break;
1535         case CB_COLOR0_CMASK_SLICE:
1536         case CB_COLOR1_CMASK_SLICE:
1537         case CB_COLOR2_CMASK_SLICE:
1538         case CB_COLOR3_CMASK_SLICE:
1539         case CB_COLOR4_CMASK_SLICE:
1540         case CB_COLOR5_CMASK_SLICE:
1541         case CB_COLOR6_CMASK_SLICE:
1542         case CB_COLOR7_CMASK_SLICE:
1543                 tmp = (reg - CB_COLOR0_CMASK_SLICE) / 0x3c;
1544                 track->cb_color_cmask_slice[tmp] = radeon_get_ib_value(p, idx);
1545                 break;
1546         case CB_COLOR0_BASE:
1547         case CB_COLOR1_BASE:
1548         case CB_COLOR2_BASE:
1549         case CB_COLOR3_BASE:
1550         case CB_COLOR4_BASE:
1551         case CB_COLOR5_BASE:
1552         case CB_COLOR6_BASE:
1553         case CB_COLOR7_BASE:
1554                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1555                 if (r) {
1556                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1557                                         "0x%04X\n", reg);
1558                         return -EINVAL;
1559                 }
1560                 tmp = (reg - CB_COLOR0_BASE) / 0x3c;
1561                 track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
1562                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1563                 track->cb_color_bo[tmp] = reloc->robj;
1564                 track->cb_dirty = true;
1565                 break;
1566         case CB_COLOR8_BASE:
1567         case CB_COLOR9_BASE:
1568         case CB_COLOR10_BASE:
1569         case CB_COLOR11_BASE:
1570                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1571                 if (r) {
1572                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1573                                         "0x%04X\n", reg);
1574                         return -EINVAL;
1575                 }
1576                 tmp = ((reg - CB_COLOR8_BASE) / 0x1c) + 8;
1577                 track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
1578                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1579                 track->cb_color_bo[tmp] = reloc->robj;
1580                 track->cb_dirty = true;
1581                 break;
1582         case DB_HTILE_DATA_BASE:
1583                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1584                 if (r) {
1585                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1586                                         "0x%04X\n", reg);
1587                         return -EINVAL;
1588                 }
1589                 track->htile_offset = radeon_get_ib_value(p, idx);
1590                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1591                 track->htile_bo = reloc->robj;
1592                 track->db_dirty = true;
1593                 break;
1594         case DB_HTILE_SURFACE:
1595                 /* 8x8 only */
1596                 track->htile_surface = radeon_get_ib_value(p, idx);
1597                 /* force 8x8 htile width and height */
1598                 ib[idx] |= 3;
1599                 track->db_dirty = true;
1600                 break;
1601         case CB_IMMED0_BASE:
1602         case CB_IMMED1_BASE:
1603         case CB_IMMED2_BASE:
1604         case CB_IMMED3_BASE:
1605         case CB_IMMED4_BASE:
1606         case CB_IMMED5_BASE:
1607         case CB_IMMED6_BASE:
1608         case CB_IMMED7_BASE:
1609         case CB_IMMED8_BASE:
1610         case CB_IMMED9_BASE:
1611         case CB_IMMED10_BASE:
1612         case CB_IMMED11_BASE:
1613         case SQ_PGM_START_FS:
1614         case SQ_PGM_START_ES:
1615         case SQ_PGM_START_VS:
1616         case SQ_PGM_START_GS:
1617         case SQ_PGM_START_PS:
1618         case SQ_PGM_START_HS:
1619         case SQ_PGM_START_LS:
1620         case SQ_CONST_MEM_BASE:
1621         case SQ_ALU_CONST_CACHE_GS_0:
1622         case SQ_ALU_CONST_CACHE_GS_1:
1623         case SQ_ALU_CONST_CACHE_GS_2:
1624         case SQ_ALU_CONST_CACHE_GS_3:
1625         case SQ_ALU_CONST_CACHE_GS_4:
1626         case SQ_ALU_CONST_CACHE_GS_5:
1627         case SQ_ALU_CONST_CACHE_GS_6:
1628         case SQ_ALU_CONST_CACHE_GS_7:
1629         case SQ_ALU_CONST_CACHE_GS_8:
1630         case SQ_ALU_CONST_CACHE_GS_9:
1631         case SQ_ALU_CONST_CACHE_GS_10:
1632         case SQ_ALU_CONST_CACHE_GS_11:
1633         case SQ_ALU_CONST_CACHE_GS_12:
1634         case SQ_ALU_CONST_CACHE_GS_13:
1635         case SQ_ALU_CONST_CACHE_GS_14:
1636         case SQ_ALU_CONST_CACHE_GS_15:
1637         case SQ_ALU_CONST_CACHE_PS_0:
1638         case SQ_ALU_CONST_CACHE_PS_1:
1639         case SQ_ALU_CONST_CACHE_PS_2:
1640         case SQ_ALU_CONST_CACHE_PS_3:
1641         case SQ_ALU_CONST_CACHE_PS_4:
1642         case SQ_ALU_CONST_CACHE_PS_5:
1643         case SQ_ALU_CONST_CACHE_PS_6:
1644         case SQ_ALU_CONST_CACHE_PS_7:
1645         case SQ_ALU_CONST_CACHE_PS_8:
1646         case SQ_ALU_CONST_CACHE_PS_9:
1647         case SQ_ALU_CONST_CACHE_PS_10:
1648         case SQ_ALU_CONST_CACHE_PS_11:
1649         case SQ_ALU_CONST_CACHE_PS_12:
1650         case SQ_ALU_CONST_CACHE_PS_13:
1651         case SQ_ALU_CONST_CACHE_PS_14:
1652         case SQ_ALU_CONST_CACHE_PS_15:
1653         case SQ_ALU_CONST_CACHE_VS_0:
1654         case SQ_ALU_CONST_CACHE_VS_1:
1655         case SQ_ALU_CONST_CACHE_VS_2:
1656         case SQ_ALU_CONST_CACHE_VS_3:
1657         case SQ_ALU_CONST_CACHE_VS_4:
1658         case SQ_ALU_CONST_CACHE_VS_5:
1659         case SQ_ALU_CONST_CACHE_VS_6:
1660         case SQ_ALU_CONST_CACHE_VS_7:
1661         case SQ_ALU_CONST_CACHE_VS_8:
1662         case SQ_ALU_CONST_CACHE_VS_9:
1663         case SQ_ALU_CONST_CACHE_VS_10:
1664         case SQ_ALU_CONST_CACHE_VS_11:
1665         case SQ_ALU_CONST_CACHE_VS_12:
1666         case SQ_ALU_CONST_CACHE_VS_13:
1667         case SQ_ALU_CONST_CACHE_VS_14:
1668         case SQ_ALU_CONST_CACHE_VS_15:
1669         case SQ_ALU_CONST_CACHE_HS_0:
1670         case SQ_ALU_CONST_CACHE_HS_1:
1671         case SQ_ALU_CONST_CACHE_HS_2:
1672         case SQ_ALU_CONST_CACHE_HS_3:
1673         case SQ_ALU_CONST_CACHE_HS_4:
1674         case SQ_ALU_CONST_CACHE_HS_5:
1675         case SQ_ALU_CONST_CACHE_HS_6:
1676         case SQ_ALU_CONST_CACHE_HS_7:
1677         case SQ_ALU_CONST_CACHE_HS_8:
1678         case SQ_ALU_CONST_CACHE_HS_9:
1679         case SQ_ALU_CONST_CACHE_HS_10:
1680         case SQ_ALU_CONST_CACHE_HS_11:
1681         case SQ_ALU_CONST_CACHE_HS_12:
1682         case SQ_ALU_CONST_CACHE_HS_13:
1683         case SQ_ALU_CONST_CACHE_HS_14:
1684         case SQ_ALU_CONST_CACHE_HS_15:
1685         case SQ_ALU_CONST_CACHE_LS_0:
1686         case SQ_ALU_CONST_CACHE_LS_1:
1687         case SQ_ALU_CONST_CACHE_LS_2:
1688         case SQ_ALU_CONST_CACHE_LS_3:
1689         case SQ_ALU_CONST_CACHE_LS_4:
1690         case SQ_ALU_CONST_CACHE_LS_5:
1691         case SQ_ALU_CONST_CACHE_LS_6:
1692         case SQ_ALU_CONST_CACHE_LS_7:
1693         case SQ_ALU_CONST_CACHE_LS_8:
1694         case SQ_ALU_CONST_CACHE_LS_9:
1695         case SQ_ALU_CONST_CACHE_LS_10:
1696         case SQ_ALU_CONST_CACHE_LS_11:
1697         case SQ_ALU_CONST_CACHE_LS_12:
1698         case SQ_ALU_CONST_CACHE_LS_13:
1699         case SQ_ALU_CONST_CACHE_LS_14:
1700         case SQ_ALU_CONST_CACHE_LS_15:
1701                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1702                 if (r) {
1703                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1704                                         "0x%04X\n", reg);
1705                         return -EINVAL;
1706                 }
1707                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1708                 break;
1709         case SX_MEMORY_EXPORT_BASE:
1710                 if (p->rdev->family >= CHIP_CAYMAN) {
1711                         dev_warn(p->dev, "bad SET_CONFIG_REG "
1712                                  "0x%04X\n", reg);
1713                         return -EINVAL;
1714                 }
1715                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1716                 if (r) {
1717                         dev_warn(p->dev, "bad SET_CONFIG_REG "
1718                                         "0x%04X\n", reg);
1719                         return -EINVAL;
1720                 }
1721                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1722                 break;
1723         case CAYMAN_SX_SCATTER_EXPORT_BASE:
1724                 if (p->rdev->family < CHIP_CAYMAN) {
1725                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1726                                  "0x%04X\n", reg);
1727                         return -EINVAL;
1728                 }
1729                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1730                 if (r) {
1731                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1732                                         "0x%04X\n", reg);
1733                         return -EINVAL;
1734                 }
1735                 ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
1736                 break;
1737         case SX_MISC:
1738                 track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1739                 break;
1740         default:
1741                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1742                 return -EINVAL;
1743         }
1744         return 0;
1745 }
1746
1747 /**
1748  * evergreen_is_safe_reg() - check if register is authorized or not
1749  * @parser: parser structure holding parsing context
1750  * @reg: register we are testing
1751  *
1752  * This function will test against reg_safe_bm and return true
1753  * if register is safe or false otherwise.
1754  */
1755 static inline bool evergreen_is_safe_reg(struct radeon_cs_parser *p, u32 reg)
1756 {
1757         struct evergreen_cs_track *track = p->track;
1758         u32 m, i;
1759
1760         i = (reg >> 7);
1761         if (unlikely(i >= REG_SAFE_BM_SIZE)) {
1762                 return false;
1763         }
1764         m = 1 << ((reg >> 2) & 31);
1765         if (!(track->reg_safe_bm[i] & m))
1766                 return true;
1767
1768         return false;
1769 }
1770
1771 static int evergreen_packet3_check(struct radeon_cs_parser *p,
1772                                    struct radeon_cs_packet *pkt)
1773 {
1774         struct radeon_bo_list *reloc;
1775         struct evergreen_cs_track *track;
1776         uint32_t *ib;
1777         unsigned idx;
1778         unsigned i;
1779         unsigned start_reg, end_reg, reg;
1780         int r;
1781         u32 idx_value;
1782
1783         track = (struct evergreen_cs_track *)p->track;
1784         ib = p->ib.ptr;
1785         idx = pkt->idx + 1;
1786         idx_value = radeon_get_ib_value(p, idx);
1787
1788         switch (pkt->opcode) {
1789         case PACKET3_SET_PREDICATION:
1790         {
1791                 int pred_op;
1792                 int tmp;
1793                 uint64_t offset;
1794
1795                 if (pkt->count != 1) {
1796                         DRM_ERROR("bad SET PREDICATION\n");
1797                         return -EINVAL;
1798                 }
1799
1800                 tmp = radeon_get_ib_value(p, idx + 1);
1801                 pred_op = (tmp >> 16) & 0x7;
1802
1803                 /* for the clear predicate operation */
1804                 if (pred_op == 0)
1805                         return 0;
1806
1807                 if (pred_op > 2) {
1808                         DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1809                         return -EINVAL;
1810                 }
1811
1812                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1813                 if (r) {
1814                         DRM_ERROR("bad SET PREDICATION\n");
1815                         return -EINVAL;
1816                 }
1817
1818                 offset = reloc->gpu_offset +
1819                          (idx_value & 0xfffffff0) +
1820                          ((u64)(tmp & 0xff) << 32);
1821
1822                 ib[idx + 0] = offset;
1823                 ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1824         }
1825         break;
1826         case PACKET3_CONTEXT_CONTROL:
1827                 if (pkt->count != 1) {
1828                         DRM_ERROR("bad CONTEXT_CONTROL\n");
1829                         return -EINVAL;
1830                 }
1831                 break;
1832         case PACKET3_INDEX_TYPE:
1833         case PACKET3_NUM_INSTANCES:
1834         case PACKET3_CLEAR_STATE:
1835                 if (pkt->count) {
1836                         DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
1837                         return -EINVAL;
1838                 }
1839                 break;
1840         case CAYMAN_PACKET3_DEALLOC_STATE:
1841                 if (p->rdev->family < CHIP_CAYMAN) {
1842                         DRM_ERROR("bad PACKET3_DEALLOC_STATE\n");
1843                         return -EINVAL;
1844                 }
1845                 if (pkt->count) {
1846                         DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES/CLEAR_STATE\n");
1847                         return -EINVAL;
1848                 }
1849                 break;
1850         case PACKET3_INDEX_BASE:
1851         {
1852                 uint64_t offset;
1853
1854                 if (pkt->count != 1) {
1855                         DRM_ERROR("bad INDEX_BASE\n");
1856                         return -EINVAL;
1857                 }
1858                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1859                 if (r) {
1860                         DRM_ERROR("bad INDEX_BASE\n");
1861                         return -EINVAL;
1862                 }
1863
1864                 offset = reloc->gpu_offset +
1865                          idx_value +
1866                          ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1867
1868                 ib[idx+0] = offset;
1869                 ib[idx+1] = upper_32_bits(offset) & 0xff;
1870
1871                 r = evergreen_cs_track_check(p);
1872                 if (r) {
1873                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1874                         return r;
1875                 }
1876                 break;
1877         }
1878         case PACKET3_INDEX_BUFFER_SIZE:
1879         {
1880                 if (pkt->count != 0) {
1881                         DRM_ERROR("bad INDEX_BUFFER_SIZE\n");
1882                         return -EINVAL;
1883                 }
1884                 break;
1885         }
1886         case PACKET3_DRAW_INDEX:
1887         {
1888                 uint64_t offset;
1889                 if (pkt->count != 3) {
1890                         DRM_ERROR("bad DRAW_INDEX\n");
1891                         return -EINVAL;
1892                 }
1893                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1894                 if (r) {
1895                         DRM_ERROR("bad DRAW_INDEX\n");
1896                         return -EINVAL;
1897                 }
1898
1899                 offset = reloc->gpu_offset +
1900                          idx_value +
1901                          ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1902
1903                 ib[idx+0] = offset;
1904                 ib[idx+1] = upper_32_bits(offset) & 0xff;
1905
1906                 r = evergreen_cs_track_check(p);
1907                 if (r) {
1908                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1909                         return r;
1910                 }
1911                 break;
1912         }
1913         case PACKET3_DRAW_INDEX_2:
1914         {
1915                 uint64_t offset;
1916
1917                 if (pkt->count != 4) {
1918                         DRM_ERROR("bad DRAW_INDEX_2\n");
1919                         return -EINVAL;
1920                 }
1921                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1922                 if (r) {
1923                         DRM_ERROR("bad DRAW_INDEX_2\n");
1924                         return -EINVAL;
1925                 }
1926
1927                 offset = reloc->gpu_offset +
1928                          radeon_get_ib_value(p, idx+1) +
1929                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1930
1931                 ib[idx+1] = offset;
1932                 ib[idx+2] = upper_32_bits(offset) & 0xff;
1933
1934                 r = evergreen_cs_track_check(p);
1935                 if (r) {
1936                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1937                         return r;
1938                 }
1939                 break;
1940         }
1941         case PACKET3_DRAW_INDEX_AUTO:
1942                 if (pkt->count != 1) {
1943                         DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1944                         return -EINVAL;
1945                 }
1946                 r = evergreen_cs_track_check(p);
1947                 if (r) {
1948                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1949                         return r;
1950                 }
1951                 break;
1952         case PACKET3_DRAW_INDEX_MULTI_AUTO:
1953                 if (pkt->count != 2) {
1954                         DRM_ERROR("bad DRAW_INDEX_MULTI_AUTO\n");
1955                         return -EINVAL;
1956                 }
1957                 r = evergreen_cs_track_check(p);
1958                 if (r) {
1959                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1960                         return r;
1961                 }
1962                 break;
1963         case PACKET3_DRAW_INDEX_IMMD:
1964                 if (pkt->count < 2) {
1965                         DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1966                         return -EINVAL;
1967                 }
1968                 r = evergreen_cs_track_check(p);
1969                 if (r) {
1970                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1971                         return r;
1972                 }
1973                 break;
1974         case PACKET3_DRAW_INDEX_OFFSET:
1975                 if (pkt->count != 2) {
1976                         DRM_ERROR("bad DRAW_INDEX_OFFSET\n");
1977                         return -EINVAL;
1978                 }
1979                 r = evergreen_cs_track_check(p);
1980                 if (r) {
1981                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1982                         return r;
1983                 }
1984                 break;
1985         case PACKET3_DRAW_INDEX_OFFSET_2:
1986                 if (pkt->count != 3) {
1987                         DRM_ERROR("bad DRAW_INDEX_OFFSET_2\n");
1988                         return -EINVAL;
1989                 }
1990                 r = evergreen_cs_track_check(p);
1991                 if (r) {
1992                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1993                         return r;
1994                 }
1995                 break;
1996         case PACKET3_SET_BASE:
1997         {
1998                 /*
1999                 DW 1 HEADER Header of the packet. Shader_Type in bit 1 of the Header will correspond to the shader type of the Load, see Type-3 Packet.
2000                    2 BASE_INDEX Bits [3:0] BASE_INDEX - Base Index specifies which base address is specified in the last two DWs.
2001                      0001: DX11 Draw_Index_Indirect Patch Table Base: Base address for Draw_Index_Indirect data.
2002                    3 ADDRESS_LO Bits [31:3] - Lower bits of QWORD-Aligned Address. Bits [2:0] - Reserved
2003                    4 ADDRESS_HI Bits [31:8] - Reserved. Bits [7:0] - Upper bits of Address [47:32]
2004                 */
2005                 if (pkt->count != 2) {
2006                         DRM_ERROR("bad SET_BASE\n");
2007                         return -EINVAL;
2008                 }
2009
2010                 /* currently only supporting setting indirect draw buffer base address */
2011                 if (idx_value != 1) {
2012                         DRM_ERROR("bad SET_BASE\n");
2013                         return -EINVAL;
2014                 }
2015
2016                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2017                 if (r) {
2018                         DRM_ERROR("bad SET_BASE\n");
2019                         return -EINVAL;
2020                 }
2021
2022                 track->indirect_draw_buffer_size = radeon_bo_size(reloc->robj);
2023
2024                 ib[idx+1] = reloc->gpu_offset;
2025                 ib[idx+2] = upper_32_bits(reloc->gpu_offset) & 0xff;
2026
2027                 break;
2028         }
2029         case PACKET3_DRAW_INDIRECT:
2030         case PACKET3_DRAW_INDEX_INDIRECT:
2031         {
2032                 u64 size = pkt->opcode == PACKET3_DRAW_INDIRECT ? 16 : 20;
2033
2034                 /*
2035                 DW 1 HEADER
2036                    2 DATA_OFFSET Bits [31:0] + byte aligned offset where the required data structure starts. Bits 1:0 are zero
2037                    3 DRAW_INITIATOR Draw Initiator Register. Written to the VGT_DRAW_INITIATOR register for the assigned context
2038                 */
2039                 if (pkt->count != 1) {
2040                         DRM_ERROR("bad DRAW_INDIRECT\n");
2041                         return -EINVAL;
2042                 }
2043
2044                 if (idx_value + size > track->indirect_draw_buffer_size) {
2045                         dev_warn(p->dev, "DRAW_INDIRECT buffer too small %u + %llu > %lu\n",
2046                                 idx_value, size, track->indirect_draw_buffer_size);
2047                         return -EINVAL;
2048                 }
2049
2050                 r = evergreen_cs_track_check(p);
2051                 if (r) {
2052                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2053                         return r;
2054                 }
2055                 break;
2056         }
2057         case PACKET3_DISPATCH_DIRECT:
2058                 if (pkt->count != 3) {
2059                         DRM_ERROR("bad DISPATCH_DIRECT\n");
2060                         return -EINVAL;
2061                 }
2062                 r = evergreen_cs_track_check(p);
2063                 if (r) {
2064                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
2065                         return r;
2066                 }
2067                 break;
2068         case PACKET3_DISPATCH_INDIRECT:
2069                 if (pkt->count != 1) {
2070                         DRM_ERROR("bad DISPATCH_INDIRECT\n");
2071                         return -EINVAL;
2072                 }
2073                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2074                 if (r) {
2075                         DRM_ERROR("bad DISPATCH_INDIRECT\n");
2076                         return -EINVAL;
2077                 }
2078                 ib[idx+0] = idx_value + (u32)(reloc->gpu_offset & 0xffffffff);
2079                 r = evergreen_cs_track_check(p);
2080                 if (r) {
2081                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
2082                         return r;
2083                 }
2084                 break;
2085         case PACKET3_WAIT_REG_MEM:
2086                 if (pkt->count != 5) {
2087                         DRM_ERROR("bad WAIT_REG_MEM\n");
2088                         return -EINVAL;
2089                 }
2090                 /* bit 4 is reg (0) or mem (1) */
2091                 if (idx_value & 0x10) {
2092                         uint64_t offset;
2093
2094                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2095                         if (r) {
2096                                 DRM_ERROR("bad WAIT_REG_MEM\n");
2097                                 return -EINVAL;
2098                         }
2099
2100                         offset = reloc->gpu_offset +
2101                                  (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2102                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2103
2104                         ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffffc);
2105                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2106                 } else if (idx_value & 0x100) {
2107                         DRM_ERROR("cannot use PFP on REG wait\n");
2108                         return -EINVAL;
2109                 }
2110                 break;
2111         case PACKET3_CP_DMA:
2112         {
2113                 u32 command, size, info;
2114                 u64 offset, tmp;
2115                 if (pkt->count != 4) {
2116                         DRM_ERROR("bad CP DMA\n");
2117                         return -EINVAL;
2118                 }
2119                 command = radeon_get_ib_value(p, idx+4);
2120                 size = command & 0x1fffff;
2121                 info = radeon_get_ib_value(p, idx+1);
2122                 if ((((info & 0x60000000) >> 29) != 0) || /* src = GDS or DATA */
2123                     (((info & 0x00300000) >> 20) != 0) || /* dst = GDS */
2124                     ((((info & 0x00300000) >> 20) == 0) &&
2125                      (command & PACKET3_CP_DMA_CMD_DAS)) || /* dst = register */
2126                     ((((info & 0x60000000) >> 29) == 0) &&
2127                      (command & PACKET3_CP_DMA_CMD_SAS))) { /* src = register */
2128                         /* non mem to mem copies requires dw aligned count */
2129                         if (size % 4) {
2130                                 DRM_ERROR("CP DMA command requires dw count alignment\n");
2131                                 return -EINVAL;
2132                         }
2133                 }
2134                 if (command & PACKET3_CP_DMA_CMD_SAS) {
2135                         /* src address space is register */
2136                         /* GDS is ok */
2137                         if (((info & 0x60000000) >> 29) != 1) {
2138                                 DRM_ERROR("CP DMA SAS not supported\n");
2139                                 return -EINVAL;
2140                         }
2141                 } else {
2142                         if (command & PACKET3_CP_DMA_CMD_SAIC) {
2143                                 DRM_ERROR("CP DMA SAIC only supported for registers\n");
2144                                 return -EINVAL;
2145                         }
2146                         /* src address space is memory */
2147                         if (((info & 0x60000000) >> 29) == 0) {
2148                                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2149                                 if (r) {
2150                                         DRM_ERROR("bad CP DMA SRC\n");
2151                                         return -EINVAL;
2152                                 }
2153
2154                                 tmp = radeon_get_ib_value(p, idx) +
2155                                         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
2156
2157                                 offset = reloc->gpu_offset + tmp;
2158
2159                                 if ((tmp + size) > radeon_bo_size(reloc->robj)) {
2160                                         dev_warn(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
2161                                                  tmp + size, radeon_bo_size(reloc->robj));
2162                                         return -EINVAL;
2163                                 }
2164
2165                                 ib[idx] = offset;
2166                                 ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2167                         } else if (((info & 0x60000000) >> 29) != 2) {
2168                                 DRM_ERROR("bad CP DMA SRC_SEL\n");
2169                                 return -EINVAL;
2170                         }
2171                 }
2172                 if (command & PACKET3_CP_DMA_CMD_DAS) {
2173                         /* dst address space is register */
2174                         /* GDS is ok */
2175                         if (((info & 0x00300000) >> 20) != 1) {
2176                                 DRM_ERROR("CP DMA DAS not supported\n");
2177                                 return -EINVAL;
2178                         }
2179                 } else {
2180                         /* dst address space is memory */
2181                         if (command & PACKET3_CP_DMA_CMD_DAIC) {
2182                                 DRM_ERROR("CP DMA DAIC only supported for registers\n");
2183                                 return -EINVAL;
2184                         }
2185                         if (((info & 0x00300000) >> 20) == 0) {
2186                                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2187                                 if (r) {
2188                                         DRM_ERROR("bad CP DMA DST\n");
2189                                         return -EINVAL;
2190                                 }
2191
2192                                 tmp = radeon_get_ib_value(p, idx+2) +
2193                                         ((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
2194
2195                                 offset = reloc->gpu_offset + tmp;
2196
2197                                 if ((tmp + size) > radeon_bo_size(reloc->robj)) {
2198                                         dev_warn(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
2199                                                  tmp + size, radeon_bo_size(reloc->robj));
2200                                         return -EINVAL;
2201                                 }
2202
2203                                 ib[idx+2] = offset;
2204                                 ib[idx+3] = upper_32_bits(offset) & 0xff;
2205                         } else {
2206                                 DRM_ERROR("bad CP DMA DST_SEL\n");
2207                                 return -EINVAL;
2208                         }
2209                 }
2210                 break;
2211         }
2212         case PACKET3_SURFACE_SYNC:
2213                 if (pkt->count != 3) {
2214                         DRM_ERROR("bad SURFACE_SYNC\n");
2215                         return -EINVAL;
2216                 }
2217                 /* 0xffffffff/0x0 is flush all cache flag */
2218                 if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
2219                     radeon_get_ib_value(p, idx + 2) != 0) {
2220                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2221                         if (r) {
2222                                 DRM_ERROR("bad SURFACE_SYNC\n");
2223                                 return -EINVAL;
2224                         }
2225                         ib[idx+2] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2226                 }
2227                 break;
2228         case PACKET3_EVENT_WRITE:
2229                 if (pkt->count != 2 && pkt->count != 0) {
2230                         DRM_ERROR("bad EVENT_WRITE\n");
2231                         return -EINVAL;
2232                 }
2233                 if (pkt->count) {
2234                         uint64_t offset;
2235
2236                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2237                         if (r) {
2238                                 DRM_ERROR("bad EVENT_WRITE\n");
2239                                 return -EINVAL;
2240                         }
2241                         offset = reloc->gpu_offset +
2242                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
2243                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2244
2245                         ib[idx+1] = offset & 0xfffffff8;
2246                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2247                 }
2248                 break;
2249         case PACKET3_EVENT_WRITE_EOP:
2250         {
2251                 uint64_t offset;
2252
2253                 if (pkt->count != 4) {
2254                         DRM_ERROR("bad EVENT_WRITE_EOP\n");
2255                         return -EINVAL;
2256                 }
2257                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2258                 if (r) {
2259                         DRM_ERROR("bad EVENT_WRITE_EOP\n");
2260                         return -EINVAL;
2261                 }
2262
2263                 offset = reloc->gpu_offset +
2264                          (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2265                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2266
2267                 ib[idx+1] = offset & 0xfffffffc;
2268                 ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2269                 break;
2270         }
2271         case PACKET3_EVENT_WRITE_EOS:
2272         {
2273                 uint64_t offset;
2274
2275                 if (pkt->count != 3) {
2276                         DRM_ERROR("bad EVENT_WRITE_EOS\n");
2277                         return -EINVAL;
2278                 }
2279                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2280                 if (r) {
2281                         DRM_ERROR("bad EVENT_WRITE_EOS\n");
2282                         return -EINVAL;
2283                 }
2284
2285                 offset = reloc->gpu_offset +
2286                          (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2287                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2288
2289                 ib[idx+1] = offset & 0xfffffffc;
2290                 ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2291                 break;
2292         }
2293         case PACKET3_SET_CONFIG_REG:
2294                 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
2295                 end_reg = 4 * pkt->count + start_reg - 4;
2296                 if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
2297                     (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
2298                     (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
2299                         DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
2300                         return -EINVAL;
2301                 }
2302                 for (reg = start_reg, idx++; reg <= end_reg; reg += 4, idx++) {
2303                         if (evergreen_is_safe_reg(p, reg))
2304                                 continue;
2305                         r = evergreen_cs_handle_reg(p, reg, idx);
2306                         if (r)
2307                                 return r;
2308                 }
2309                 break;
2310         case PACKET3_SET_CONTEXT_REG:
2311                 start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_START;
2312                 end_reg = 4 * pkt->count + start_reg - 4;
2313                 if ((start_reg < PACKET3_SET_CONTEXT_REG_START) ||
2314                     (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
2315                     (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
2316                         DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
2317                         return -EINVAL;
2318                 }
2319                 for (reg = start_reg, idx++; reg <= end_reg; reg += 4, idx++) {
2320                         if (evergreen_is_safe_reg(p, reg))
2321                                 continue;
2322                         r = evergreen_cs_handle_reg(p, reg, idx);
2323                         if (r)
2324                                 return r;
2325                 }
2326                 break;
2327         case PACKET3_SET_RESOURCE:
2328                 if (pkt->count % 8) {
2329                         DRM_ERROR("bad SET_RESOURCE\n");
2330                         return -EINVAL;
2331                 }
2332                 start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_START;
2333                 end_reg = 4 * pkt->count + start_reg - 4;
2334                 if ((start_reg < PACKET3_SET_RESOURCE_START) ||
2335                     (start_reg >= PACKET3_SET_RESOURCE_END) ||
2336                     (end_reg >= PACKET3_SET_RESOURCE_END)) {
2337                         DRM_ERROR("bad SET_RESOURCE\n");
2338                         return -EINVAL;
2339                 }
2340                 for (i = 0; i < (pkt->count / 8); i++) {
2341                         struct radeon_bo *texture, *mipmap;
2342                         u32 toffset, moffset;
2343                         u32 size, offset, mip_address, tex_dim;
2344
2345                         switch (G__SQ_CONSTANT_TYPE(radeon_get_ib_value(p, idx+1+(i*8)+7))) {
2346                         case SQ_TEX_VTX_VALID_TEXTURE:
2347                                 /* tex base */
2348                                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2349                                 if (r) {
2350                                         DRM_ERROR("bad SET_RESOURCE (tex)\n");
2351                                         return -EINVAL;
2352                                 }
2353                                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
2354                                         ib[idx+1+(i*8)+1] |=
2355                                                 TEX_ARRAY_MODE(evergreen_cs_get_aray_mode(reloc->tiling_flags));
2356                                         if (reloc->tiling_flags & RADEON_TILING_MACRO) {
2357                                                 unsigned bankw, bankh, mtaspect, tile_split;
2358
2359                                                 evergreen_tiling_fields(reloc->tiling_flags,
2360                                                                         &bankw, &bankh, &mtaspect,
2361                                                                         &tile_split);
2362                                                 ib[idx+1+(i*8)+6] |= TEX_TILE_SPLIT(tile_split);
2363                                                 ib[idx+1+(i*8)+7] |=
2364                                                         TEX_BANK_WIDTH(bankw) |
2365                                                         TEX_BANK_HEIGHT(bankh) |
2366                                                         MACRO_TILE_ASPECT(mtaspect) |
2367                                                         TEX_NUM_BANKS(evergreen_cs_get_num_banks(track->nbanks));
2368                                         }
2369                                 }
2370                                 texture = reloc->robj;
2371                                 toffset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2372
2373                                 /* tex mip base */
2374                                 tex_dim = ib[idx+1+(i*8)+0] & 0x7;
2375                                 mip_address = ib[idx+1+(i*8)+3];
2376
2377                                 if ((tex_dim == SQ_TEX_DIM_2D_MSAA || tex_dim == SQ_TEX_DIM_2D_ARRAY_MSAA) &&
2378                                     !mip_address &&
2379                                     !radeon_cs_packet_next_is_pkt3_nop(p)) {
2380                                         /* MIP_ADDRESS should point to FMASK for an MSAA texture.
2381                                          * It should be 0 if FMASK is disabled. */
2382                                         moffset = 0;
2383                                         mipmap = NULL;
2384                                 } else {
2385                                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2386                                         if (r) {
2387                                                 DRM_ERROR("bad SET_RESOURCE (tex)\n");
2388                                                 return -EINVAL;
2389                                         }
2390                                         moffset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
2391                                         mipmap = reloc->robj;
2392                                 }
2393
2394                                 r = evergreen_cs_track_validate_texture(p, texture, mipmap, idx+1+(i*8));
2395                                 if (r)
2396                                         return r;
2397                                 ib[idx+1+(i*8)+2] += toffset;
2398                                 ib[idx+1+(i*8)+3] += moffset;
2399                                 break;
2400                         case SQ_TEX_VTX_VALID_BUFFER:
2401                         {
2402                                 uint64_t offset64;
2403                                 /* vtx base */
2404                                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2405                                 if (r) {
2406                                         DRM_ERROR("bad SET_RESOURCE (vtx)\n");
2407                                         return -EINVAL;
2408                                 }
2409                                 offset = radeon_get_ib_value(p, idx+1+(i*8)+0);
2410                                 size = radeon_get_ib_value(p, idx+1+(i*8)+1);
2411                                 if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2412                                         /* force size to size of the buffer */
2413                                         dev_warn(p->dev, "vbo resource seems too big for the bo\n");
2414                                         ib[idx+1+(i*8)+1] = radeon_bo_size(reloc->robj) - offset;
2415                                 }
2416
2417                                 offset64 = reloc->gpu_offset + offset;
2418                                 ib[idx+1+(i*8)+0] = offset64;
2419                                 ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2420                                                     (upper_32_bits(offset64) & 0xff);
2421                                 break;
2422                         }
2423                         case SQ_TEX_VTX_INVALID_TEXTURE:
2424                         case SQ_TEX_VTX_INVALID_BUFFER:
2425                         default:
2426                                 DRM_ERROR("bad SET_RESOURCE\n");
2427                                 return -EINVAL;
2428                         }
2429                 }
2430                 break;
2431         case PACKET3_SET_ALU_CONST:
2432                 /* XXX fix me ALU const buffers only */
2433                 break;
2434         case PACKET3_SET_BOOL_CONST:
2435                 start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_START;
2436                 end_reg = 4 * pkt->count + start_reg - 4;
2437                 if ((start_reg < PACKET3_SET_BOOL_CONST_START) ||
2438                     (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2439                     (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2440                         DRM_ERROR("bad SET_BOOL_CONST\n");
2441                         return -EINVAL;
2442                 }
2443                 break;
2444         case PACKET3_SET_LOOP_CONST:
2445                 start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_START;
2446                 end_reg = 4 * pkt->count + start_reg - 4;
2447                 if ((start_reg < PACKET3_SET_LOOP_CONST_START) ||
2448                     (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2449                     (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2450                         DRM_ERROR("bad SET_LOOP_CONST\n");
2451                         return -EINVAL;
2452                 }
2453                 break;
2454         case PACKET3_SET_CTL_CONST:
2455                 start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_START;
2456                 end_reg = 4 * pkt->count + start_reg - 4;
2457                 if ((start_reg < PACKET3_SET_CTL_CONST_START) ||
2458                     (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2459                     (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2460                         DRM_ERROR("bad SET_CTL_CONST\n");
2461                         return -EINVAL;
2462                 }
2463                 break;
2464         case PACKET3_SET_SAMPLER:
2465                 if (pkt->count % 3) {
2466                         DRM_ERROR("bad SET_SAMPLER\n");
2467                         return -EINVAL;
2468                 }
2469                 start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_START;
2470                 end_reg = 4 * pkt->count + start_reg - 4;
2471                 if ((start_reg < PACKET3_SET_SAMPLER_START) ||
2472                     (start_reg >= PACKET3_SET_SAMPLER_END) ||
2473                     (end_reg >= PACKET3_SET_SAMPLER_END)) {
2474                         DRM_ERROR("bad SET_SAMPLER\n");
2475                         return -EINVAL;
2476                 }
2477                 break;
2478         case PACKET3_STRMOUT_BUFFER_UPDATE:
2479                 if (pkt->count != 4) {
2480                         DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2481                         return -EINVAL;
2482                 }
2483                 /* Updating memory at DST_ADDRESS. */
2484                 if (idx_value & 0x1) {
2485                         u64 offset;
2486                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2487                         if (r) {
2488                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2489                                 return -EINVAL;
2490                         }
2491                         offset = radeon_get_ib_value(p, idx+1);
2492                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2493                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2494                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2495                                           offset + 4, radeon_bo_size(reloc->robj));
2496                                 return -EINVAL;
2497                         }
2498                         offset += reloc->gpu_offset;
2499                         ib[idx+1] = offset;
2500                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2501                 }
2502                 /* Reading data from SRC_ADDRESS. */
2503                 if (((idx_value >> 1) & 0x3) == 2) {
2504                         u64 offset;
2505                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2506                         if (r) {
2507                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2508                                 return -EINVAL;
2509                         }
2510                         offset = radeon_get_ib_value(p, idx+3);
2511                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2512                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2513                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2514                                           offset + 4, radeon_bo_size(reloc->robj));
2515                                 return -EINVAL;
2516                         }
2517                         offset += reloc->gpu_offset;
2518                         ib[idx+3] = offset;
2519                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2520                 }
2521                 break;
2522         case PACKET3_MEM_WRITE:
2523         {
2524                 u64 offset;
2525
2526                 if (pkt->count != 3) {
2527                         DRM_ERROR("bad MEM_WRITE (invalid count)\n");
2528                         return -EINVAL;
2529                 }
2530                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2531                 if (r) {
2532                         DRM_ERROR("bad MEM_WRITE (missing reloc)\n");
2533                         return -EINVAL;
2534                 }
2535                 offset = radeon_get_ib_value(p, idx+0);
2536                 offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
2537                 if (offset & 0x7) {
2538                         DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n");
2539                         return -EINVAL;
2540                 }
2541                 if ((offset + 8) > radeon_bo_size(reloc->robj)) {
2542                         DRM_ERROR("bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n",
2543                                   offset + 8, radeon_bo_size(reloc->robj));
2544                         return -EINVAL;
2545                 }
2546                 offset += reloc->gpu_offset;
2547                 ib[idx+0] = offset;
2548                 ib[idx+1] = upper_32_bits(offset) & 0xff;
2549                 break;
2550         }
2551         case PACKET3_COPY_DW:
2552                 if (pkt->count != 4) {
2553                         DRM_ERROR("bad COPY_DW (invalid count)\n");
2554                         return -EINVAL;
2555                 }
2556                 if (idx_value & 0x1) {
2557                         u64 offset;
2558                         /* SRC is memory. */
2559                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2560                         if (r) {
2561                                 DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2562                                 return -EINVAL;
2563                         }
2564                         offset = radeon_get_ib_value(p, idx+1);
2565                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2566                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2567                                 DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2568                                           offset + 4, radeon_bo_size(reloc->robj));
2569                                 return -EINVAL;
2570                         }
2571                         offset += reloc->gpu_offset;
2572                         ib[idx+1] = offset;
2573                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2574                 } else {
2575                         /* SRC is a reg. */
2576                         reg = radeon_get_ib_value(p, idx+1) << 2;
2577                         if (!evergreen_is_safe_reg(p, reg)) {
2578                                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n",
2579                                          reg, idx + 1);
2580                                 return -EINVAL;
2581                         }
2582                 }
2583                 if (idx_value & 0x2) {
2584                         u64 offset;
2585                         /* DST is memory. */
2586                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
2587                         if (r) {
2588                                 DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2589                                 return -EINVAL;
2590                         }
2591                         offset = radeon_get_ib_value(p, idx+3);
2592                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2593                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2594                                 DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2595                                           offset + 4, radeon_bo_size(reloc->robj));
2596                                 return -EINVAL;
2597                         }
2598                         offset += reloc->gpu_offset;
2599                         ib[idx+3] = offset;
2600                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2601                 } else {
2602                         /* DST is a reg. */
2603                         reg = radeon_get_ib_value(p, idx+3) << 2;
2604                         if (!evergreen_is_safe_reg(p, reg)) {
2605                                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n",
2606                                          reg, idx + 3);
2607                                 return -EINVAL;
2608                         }
2609                 }
2610                 break;
2611         case PACKET3_NOP:
2612                 break;
2613         default:
2614                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2615                 return -EINVAL;
2616         }
2617         return 0;
2618 }
2619
2620 int evergreen_cs_parse(struct radeon_cs_parser *p)
2621 {
2622         struct radeon_cs_packet pkt;
2623         struct evergreen_cs_track *track;
2624         u32 tmp;
2625         int r;
2626
2627         if (p->track == NULL) {
2628                 /* initialize tracker, we are in kms */
2629                 track = kzalloc(sizeof(*track), GFP_KERNEL);
2630                 if (track == NULL)
2631                         return -ENOMEM;
2632                 evergreen_cs_track_init(track);
2633                 if (p->rdev->family >= CHIP_CAYMAN) {
2634                         tmp = p->rdev->config.cayman.tile_config;
2635                         track->reg_safe_bm = cayman_reg_safe_bm;
2636                 } else {
2637                         tmp = p->rdev->config.evergreen.tile_config;
2638                         track->reg_safe_bm = evergreen_reg_safe_bm;
2639                 }
2640                 BUILD_BUG_ON(ARRAY_SIZE(cayman_reg_safe_bm) != REG_SAFE_BM_SIZE);
2641                 BUILD_BUG_ON(ARRAY_SIZE(evergreen_reg_safe_bm) != REG_SAFE_BM_SIZE);
2642                 switch (tmp & 0xf) {
2643                 case 0:
2644                         track->npipes = 1;
2645                         break;
2646                 case 1:
2647                 default:
2648                         track->npipes = 2;
2649                         break;
2650                 case 2:
2651                         track->npipes = 4;
2652                         break;
2653                 case 3:
2654                         track->npipes = 8;
2655                         break;
2656                 }
2657
2658                 switch ((tmp & 0xf0) >> 4) {
2659                 case 0:
2660                         track->nbanks = 4;
2661                         break;
2662                 case 1:
2663                 default:
2664                         track->nbanks = 8;
2665                         break;
2666                 case 2:
2667                         track->nbanks = 16;
2668                         break;
2669                 }
2670
2671                 switch ((tmp & 0xf00) >> 8) {
2672                 case 0:
2673                         track->group_size = 256;
2674                         break;
2675                 case 1:
2676                 default:
2677                         track->group_size = 512;
2678                         break;
2679                 }
2680
2681                 switch ((tmp & 0xf000) >> 12) {
2682                 case 0:
2683                         track->row_size = 1;
2684                         break;
2685                 case 1:
2686                 default:
2687                         track->row_size = 2;
2688                         break;
2689                 case 2:
2690                         track->row_size = 4;
2691                         break;
2692                 }
2693
2694                 p->track = track;
2695         }
2696         do {
2697                 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2698                 if (r) {
2699                         kfree(p->track);
2700                         p->track = NULL;
2701                         return r;
2702                 }
2703                 p->idx += pkt.count + 2;
2704                 switch (pkt.type) {
2705                 case RADEON_PACKET_TYPE0:
2706                         r = evergreen_cs_parse_packet0(p, &pkt);
2707                         break;
2708                 case RADEON_PACKET_TYPE2:
2709                         break;
2710                 case RADEON_PACKET_TYPE3:
2711                         r = evergreen_packet3_check(p, &pkt);
2712                         break;
2713                 default:
2714                         DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2715                         kfree(p->track);
2716                         p->track = NULL;
2717                         return -EINVAL;
2718                 }
2719                 if (r) {
2720                         kfree(p->track);
2721                         p->track = NULL;
2722                         return r;
2723                 }
2724         } while (p->idx < p->chunk_ib->length_dw);
2725 #if 0
2726         for (r = 0; r < p->ib.length_dw; r++) {
2727                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2728                 mdelay(1);
2729         }
2730 #endif
2731         kfree(p->track);
2732         p->track = NULL;
2733         return 0;
2734 }
2735
2736 /**
2737  * evergreen_dma_cs_parse() - parse the DMA IB
2738  * @p:          parser structure holding parsing context.
2739  *
2740  * Parses the DMA IB from the CS ioctl and updates
2741  * the GPU addresses based on the reloc information and
2742  * checks for errors. (Evergreen-Cayman)
2743  * Returns 0 for success and an error on failure.
2744  **/
2745 int evergreen_dma_cs_parse(struct radeon_cs_parser *p)
2746 {
2747         struct radeon_cs_chunk *ib_chunk = p->chunk_ib;
2748         struct radeon_bo_list *src_reloc, *dst_reloc, *dst2_reloc;
2749         u32 header, cmd, count, sub_cmd;
2750         uint32_t *ib = p->ib.ptr;
2751         u32 idx;
2752         u64 src_offset, dst_offset, dst2_offset;
2753         int r;
2754
2755         do {
2756                 if (p->idx >= ib_chunk->length_dw) {
2757                         DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
2758                                   p->idx, ib_chunk->length_dw);
2759                         return -EINVAL;
2760                 }
2761                 idx = p->idx;
2762                 header = radeon_get_ib_value(p, idx);
2763                 cmd = GET_DMA_CMD(header);
2764                 count = GET_DMA_COUNT(header);
2765                 sub_cmd = GET_DMA_SUB_CMD(header);
2766
2767                 switch (cmd) {
2768                 case DMA_PACKET_WRITE:
2769                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2770                         if (r) {
2771                                 DRM_ERROR("bad DMA_PACKET_WRITE\n");
2772                                 return -EINVAL;
2773                         }
2774                         switch (sub_cmd) {
2775                         /* tiled */
2776                         case 8:
2777                                 dst_offset = radeon_get_ib_value(p, idx+1);
2778                                 dst_offset <<= 8;
2779
2780                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2781                                 p->idx += count + 7;
2782                                 break;
2783                         /* linear */
2784                         case 0:
2785                                 dst_offset = radeon_get_ib_value(p, idx+1);
2786                                 dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2787
2788                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2789                                 ib[idx+2] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2790                                 p->idx += count + 3;
2791                                 break;
2792                         default:
2793                                 DRM_ERROR("bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n", idx, header);
2794                                 return -EINVAL;
2795                         }
2796                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2797                                 dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n",
2798                                          dst_offset, radeon_bo_size(dst_reloc->robj));
2799                                 return -EINVAL;
2800                         }
2801                         break;
2802                 case DMA_PACKET_COPY:
2803                         r = r600_dma_cs_next_reloc(p, &src_reloc);
2804                         if (r) {
2805                                 DRM_ERROR("bad DMA_PACKET_COPY\n");
2806                                 return -EINVAL;
2807                         }
2808                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2809                         if (r) {
2810                                 DRM_ERROR("bad DMA_PACKET_COPY\n");
2811                                 return -EINVAL;
2812                         }
2813                         switch (sub_cmd) {
2814                         /* Copy L2L, DW aligned */
2815                         case 0x00:
2816                                 /* L2L, dw */
2817                                 src_offset = radeon_get_ib_value(p, idx+2);
2818                                 src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2819                                 dst_offset = radeon_get_ib_value(p, idx+1);
2820                                 dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2821                                 if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2822                                         dev_warn(p->dev, "DMA L2L, dw src buffer too small (%llu %lu)\n",
2823                                                         src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2824                                         return -EINVAL;
2825                                 }
2826                                 if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2827                                         dev_warn(p->dev, "DMA L2L, dw dst buffer too small (%llu %lu)\n",
2828                                                         dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2829                                         return -EINVAL;
2830                                 }
2831                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2832                                 ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2833                                 ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2834                                 ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2835                                 p->idx += 5;
2836                                 break;
2837                         /* Copy L2T/T2L */
2838                         case 0x08:
2839                                 /* detile bit */
2840                                 if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
2841                                         /* tiled src, linear dst */
2842                                         src_offset = radeon_get_ib_value(p, idx+1);
2843                                         src_offset <<= 8;
2844                                         ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
2845
2846                                         dst_offset = radeon_get_ib_value(p, idx + 7);
2847                                         dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
2848                                         ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2849                                         ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2850                                 } else {
2851                                         /* linear src, tiled dst */
2852                                         src_offset = radeon_get_ib_value(p, idx+7);
2853                                         src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
2854                                         ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2855                                         ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2856
2857                                         dst_offset = radeon_get_ib_value(p, idx+1);
2858                                         dst_offset <<= 8;
2859                                         ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2860                                 }
2861                                 if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2862                                         dev_warn(p->dev, "DMA L2T, src buffer too small (%llu %lu)\n",
2863                                                         src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2864                                         return -EINVAL;
2865                                 }
2866                                 if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2867                                         dev_warn(p->dev, "DMA L2T, dst buffer too small (%llu %lu)\n",
2868                                                         dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2869                                         return -EINVAL;
2870                                 }
2871                                 p->idx += 9;
2872                                 break;
2873                         /* Copy L2L, byte aligned */
2874                         case 0x40:
2875                                 /* L2L, byte */
2876                                 src_offset = radeon_get_ib_value(p, idx+2);
2877                                 src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2878                                 dst_offset = radeon_get_ib_value(p, idx+1);
2879                                 dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
2880                                 if ((src_offset + count) > radeon_bo_size(src_reloc->robj)) {
2881                                         dev_warn(p->dev, "DMA L2L, byte src buffer too small (%llu %lu)\n",
2882                                                         src_offset + count, radeon_bo_size(src_reloc->robj));
2883                                         return -EINVAL;
2884                                 }
2885                                 if ((dst_offset + count) > radeon_bo_size(dst_reloc->robj)) {
2886                                         dev_warn(p->dev, "DMA L2L, byte dst buffer too small (%llu %lu)\n",
2887                                                         dst_offset + count, radeon_bo_size(dst_reloc->robj));
2888                                         return -EINVAL;
2889                                 }
2890                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xffffffff);
2891                                 ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xffffffff);
2892                                 ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2893                                 ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2894                                 p->idx += 5;
2895                                 break;
2896                         /* Copy L2L, partial */
2897                         case 0x41:
2898                                 /* L2L, partial */
2899                                 if (p->family < CHIP_CAYMAN) {
2900                                         DRM_ERROR("L2L Partial is cayman only !\n");
2901                                         return -EINVAL;
2902                                 }
2903                                 ib[idx+1] += (u32)(src_reloc->gpu_offset & 0xffffffff);
2904                                 ib[idx+2] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2905                                 ib[idx+4] += (u32)(dst_reloc->gpu_offset & 0xffffffff);
2906                                 ib[idx+5] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2907
2908                                 p->idx += 9;
2909                                 break;
2910                         /* Copy L2L, DW aligned, broadcast */
2911                         case 0x44:
2912                                 /* L2L, dw, broadcast */
2913                                 r = r600_dma_cs_next_reloc(p, &dst2_reloc);
2914                                 if (r) {
2915                                         DRM_ERROR("bad L2L, dw, broadcast DMA_PACKET_COPY\n");
2916                                         return -EINVAL;
2917                                 }
2918                                 dst_offset = radeon_get_ib_value(p, idx+1);
2919                                 dst_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2920                                 dst2_offset = radeon_get_ib_value(p, idx+2);
2921                                 dst2_offset |= ((u64)(radeon_get_ib_value(p, idx+5) & 0xff)) << 32;
2922                                 src_offset = radeon_get_ib_value(p, idx+3);
2923                                 src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
2924                                 if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2925                                         dev_warn(p->dev, "DMA L2L, dw, broadcast src buffer too small (%llu %lu)\n",
2926                                                         src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2927                                         return -EINVAL;
2928                                 }
2929                                 if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2930                                         dev_warn(p->dev, "DMA L2L, dw, broadcast dst buffer too small (%llu %lu)\n",
2931                                                         dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2932                                         return -EINVAL;
2933                                 }
2934                                 if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
2935                                         dev_warn(p->dev, "DMA L2L, dw, broadcast dst2 buffer too small (%llu %lu)\n",
2936                                                         dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
2937                                         return -EINVAL;
2938                                 }
2939                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2940                                 ib[idx+2] += (u32)(dst2_reloc->gpu_offset & 0xfffffffc);
2941                                 ib[idx+3] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2942                                 ib[idx+4] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2943                                 ib[idx+5] += upper_32_bits(dst2_reloc->gpu_offset) & 0xff;
2944                                 ib[idx+6] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2945                                 p->idx += 7;
2946                                 break;
2947                         /* Copy L2T Frame to Field */
2948                         case 0x48:
2949                                 if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
2950                                         DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n");
2951                                         return -EINVAL;
2952                                 }
2953                                 r = r600_dma_cs_next_reloc(p, &dst2_reloc);
2954                                 if (r) {
2955                                         DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n");
2956                                         return -EINVAL;
2957                                 }
2958                                 dst_offset = radeon_get_ib_value(p, idx+1);
2959                                 dst_offset <<= 8;
2960                                 dst2_offset = radeon_get_ib_value(p, idx+2);
2961                                 dst2_offset <<= 8;
2962                                 src_offset = radeon_get_ib_value(p, idx+8);
2963                                 src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
2964                                 if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2965                                         dev_warn(p->dev, "DMA L2T, frame to fields src buffer too small (%llu %lu)\n",
2966                                                         src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2967                                         return -EINVAL;
2968                                 }
2969                                 if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2970                                         dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n",
2971                                                         dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2972                                         return -EINVAL;
2973                                 }
2974                                 if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
2975                                         dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n",
2976                                                         dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
2977                                         return -EINVAL;
2978                                 }
2979                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
2980                                 ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
2981                                 ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
2982                                 ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
2983                                 p->idx += 10;
2984                                 break;
2985                         /* Copy L2T/T2L, partial */
2986                         case 0x49:
2987                                 /* L2T, T2L partial */
2988                                 if (p->family < CHIP_CAYMAN) {
2989                                         DRM_ERROR("L2T, T2L Partial is cayman only !\n");
2990                                         return -EINVAL;
2991                                 }
2992                                 /* detile bit */
2993                                 if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
2994                                         /* tiled src, linear dst */
2995                                         ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
2996
2997                                         ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
2998                                         ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
2999                                 } else {
3000                                         /* linear src, tiled dst */
3001                                         ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3002                                         ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3003
3004                                         ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3005                                 }
3006                                 p->idx += 12;
3007                                 break;
3008                         /* Copy L2T broadcast */
3009                         case 0x4b:
3010                                 /* L2T, broadcast */
3011                                 if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
3012                                         DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3013                                         return -EINVAL;
3014                                 }
3015                                 r = r600_dma_cs_next_reloc(p, &dst2_reloc);
3016                                 if (r) {
3017                                         DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3018                                         return -EINVAL;
3019                                 }
3020                                 dst_offset = radeon_get_ib_value(p, idx+1);
3021                                 dst_offset <<= 8;
3022                                 dst2_offset = radeon_get_ib_value(p, idx+2);
3023                                 dst2_offset <<= 8;
3024                                 src_offset = radeon_get_ib_value(p, idx+8);
3025                                 src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
3026                                 if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
3027                                         dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
3028                                                         src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
3029                                         return -EINVAL;
3030                                 }
3031                                 if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3032                                         dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n",
3033                                                         dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
3034                                         return -EINVAL;
3035                                 }
3036                                 if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
3037                                         dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n",
3038                                                         dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
3039                                         return -EINVAL;
3040                                 }
3041                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3042                                 ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
3043                                 ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3044                                 ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3045                                 p->idx += 10;
3046                                 break;
3047                         /* Copy L2T/T2L (tile units) */
3048                         case 0x4c:
3049                                 /* L2T, T2L */
3050                                 /* detile bit */
3051                                 if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
3052                                         /* tiled src, linear dst */
3053                                         src_offset = radeon_get_ib_value(p, idx+1);
3054                                         src_offset <<= 8;
3055                                         ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
3056
3057                                         dst_offset = radeon_get_ib_value(p, idx+7);
3058                                         dst_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
3059                                         ib[idx+7] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
3060                                         ib[idx+8] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
3061                                 } else {
3062                                         /* linear src, tiled dst */
3063                                         src_offset = radeon_get_ib_value(p, idx+7);
3064                                         src_offset |= ((u64)(radeon_get_ib_value(p, idx+8) & 0xff)) << 32;
3065                                         ib[idx+7] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3066                                         ib[idx+8] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3067
3068                                         dst_offset = radeon_get_ib_value(p, idx+1);
3069                                         dst_offset <<= 8;
3070                                         ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3071                                 }
3072                                 if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
3073                                         dev_warn(p->dev, "DMA L2T, T2L src buffer too small (%llu %lu)\n",
3074                                                         src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
3075                                         return -EINVAL;
3076                                 }
3077                                 if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3078                                         dev_warn(p->dev, "DMA L2T, T2L dst buffer too small (%llu %lu)\n",
3079                                                         dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
3080                                         return -EINVAL;
3081                                 }
3082                                 p->idx += 9;
3083                                 break;
3084                         /* Copy T2T, partial (tile units) */
3085                         case 0x4d:
3086                                 /* T2T partial */
3087                                 if (p->family < CHIP_CAYMAN) {
3088                                         DRM_ERROR("L2T, T2L Partial is cayman only !\n");
3089                                         return -EINVAL;
3090                                 }
3091                                 ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
3092                                 ib[idx+4] += (u32)(dst_reloc->gpu_offset >> 8);
3093                                 p->idx += 13;
3094                                 break;
3095                         /* Copy L2T broadcast (tile units) */
3096                         case 0x4f:
3097                                 /* L2T, broadcast */
3098                                 if (radeon_get_ib_value(p, idx + 2) & (1 << 31)) {
3099                                         DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3100                                         return -EINVAL;
3101                                 }
3102                                 r = r600_dma_cs_next_reloc(p, &dst2_reloc);
3103                                 if (r) {
3104                                         DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n");
3105                                         return -EINVAL;
3106                                 }
3107                                 dst_offset = radeon_get_ib_value(p, idx+1);
3108                                 dst_offset <<= 8;
3109                                 dst2_offset = radeon_get_ib_value(p, idx+2);
3110                                 dst2_offset <<= 8;
3111                                 src_offset = radeon_get_ib_value(p, idx+8);
3112                                 src_offset |= ((u64)(radeon_get_ib_value(p, idx+9) & 0xff)) << 32;
3113                                 if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
3114                                         dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n",
3115                                                         src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
3116                                         return -EINVAL;
3117                                 }
3118                                 if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3119                                         dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n",
3120                                                         dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
3121                                         return -EINVAL;
3122                                 }
3123                                 if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) {
3124                                         dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n",
3125                                                         dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj));
3126                                         return -EINVAL;
3127                                 }
3128                                 ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
3129                                 ib[idx+2] += (u32)(dst2_reloc->gpu_offset >> 8);
3130                                 ib[idx+8] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
3131                                 ib[idx+9] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
3132                                 p->idx += 10;
3133                                 break;
3134                         default:
3135                                 DRM_ERROR("bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n", idx, header);
3136                                 return -EINVAL;
3137                         }
3138                         break;
3139                 case DMA_PACKET_CONSTANT_FILL:
3140                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
3141                         if (r) {
3142                                 DRM_ERROR("bad DMA_PACKET_CONSTANT_FILL\n");
3143                                 return -EINVAL;
3144                         }
3145                         dst_offset = radeon_get_ib_value(p, idx+1);
3146                         dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
3147                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
3148                                 dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
3149                                          dst_offset, radeon_bo_size(dst_reloc->robj));
3150                                 return -EINVAL;
3151                         }
3152                         ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
3153                         ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) << 16) & 0x00ff0000;
3154                         p->idx += 4;
3155                         break;
3156                 case DMA_PACKET_NOP:
3157                         p->idx += 1;
3158                         break;
3159                 default:
3160                         DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
3161                         return -EINVAL;
3162                 }
3163         } while (p->idx < p->chunk_ib->length_dw);
3164 #if 0
3165         for (r = 0; r < p->ib->length_dw; r++) {
3166                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
3167                 mdelay(1);
3168         }
3169 #endif
3170         return 0;
3171 }
3172
3173 /* vm parser */
3174 static bool evergreen_vm_reg_valid(u32 reg)
3175 {
3176         /* context regs are fine */
3177         if (reg >= 0x28000)
3178                 return true;
3179
3180         /* check config regs */
3181         switch (reg) {
3182         case WAIT_UNTIL:
3183         case GRBM_GFX_INDEX:
3184         case CP_STRMOUT_CNTL:
3185         case CP_COHER_CNTL:
3186         case CP_COHER_SIZE:
3187         case VGT_VTX_VECT_EJECT_REG:
3188         case VGT_CACHE_INVALIDATION:
3189         case VGT_GS_VERTEX_REUSE:
3190         case VGT_PRIMITIVE_TYPE:
3191         case VGT_INDEX_TYPE:
3192         case VGT_NUM_INDICES:
3193         case VGT_NUM_INSTANCES:
3194         case VGT_COMPUTE_DIM_X:
3195         case VGT_COMPUTE_DIM_Y:
3196         case VGT_COMPUTE_DIM_Z:
3197         case VGT_COMPUTE_START_X:
3198         case VGT_COMPUTE_START_Y:
3199         case VGT_COMPUTE_START_Z:
3200         case VGT_COMPUTE_INDEX:
3201         case VGT_COMPUTE_THREAD_GROUP_SIZE:
3202         case VGT_HS_OFFCHIP_PARAM:
3203         case PA_CL_ENHANCE:
3204         case PA_SU_LINE_STIPPLE_VALUE:
3205         case PA_SC_LINE_STIPPLE_STATE:
3206         case PA_SC_ENHANCE:
3207         case SQ_DYN_GPR_CNTL_PS_FLUSH_REQ:
3208         case SQ_DYN_GPR_SIMD_LOCK_EN:
3209         case SQ_CONFIG:
3210         case SQ_GPR_RESOURCE_MGMT_1:
3211         case SQ_GLOBAL_GPR_RESOURCE_MGMT_1:
3212         case SQ_GLOBAL_GPR_RESOURCE_MGMT_2:
3213         case SQ_CONST_MEM_BASE:
3214         case SQ_STATIC_THREAD_MGMT_1:
3215         case SQ_STATIC_THREAD_MGMT_2:
3216         case SQ_STATIC_THREAD_MGMT_3:
3217         case SPI_CONFIG_CNTL:
3218         case SPI_CONFIG_CNTL_1:
3219         case TA_CNTL_AUX:
3220         case DB_DEBUG:
3221         case DB_DEBUG2:
3222         case DB_DEBUG3:
3223         case DB_DEBUG4:
3224         case DB_WATERMARKS:
3225         case TD_PS_BORDER_COLOR_INDEX:
3226         case TD_PS_BORDER_COLOR_RED:
3227         case TD_PS_BORDER_COLOR_GREEN:
3228         case TD_PS_BORDER_COLOR_BLUE:
3229         case TD_PS_BORDER_COLOR_ALPHA:
3230         case TD_VS_BORDER_COLOR_INDEX:
3231         case TD_VS_BORDER_COLOR_RED:
3232         case TD_VS_BORDER_COLOR_GREEN:
3233         case TD_VS_BORDER_COLOR_BLUE:
3234         case TD_VS_BORDER_COLOR_ALPHA:
3235         case TD_GS_BORDER_COLOR_INDEX:
3236         case TD_GS_BORDER_COLOR_RED:
3237         case TD_GS_BORDER_COLOR_GREEN:
3238         case TD_GS_BORDER_COLOR_BLUE:
3239         case TD_GS_BORDER_COLOR_ALPHA:
3240         case TD_HS_BORDER_COLOR_INDEX:
3241         case TD_HS_BORDER_COLOR_RED:
3242         case TD_HS_BORDER_COLOR_GREEN:
3243         case TD_HS_BORDER_COLOR_BLUE:
3244         case TD_HS_BORDER_COLOR_ALPHA:
3245         case TD_LS_BORDER_COLOR_INDEX:
3246         case TD_LS_BORDER_COLOR_RED:
3247         case TD_LS_BORDER_COLOR_GREEN:
3248         case TD_LS_BORDER_COLOR_BLUE:
3249         case TD_LS_BORDER_COLOR_ALPHA:
3250         case TD_CS_BORDER_COLOR_INDEX:
3251         case TD_CS_BORDER_COLOR_RED:
3252         case TD_CS_BORDER_COLOR_GREEN:
3253         case TD_CS_BORDER_COLOR_BLUE:
3254         case TD_CS_BORDER_COLOR_ALPHA:
3255         case SQ_ESGS_RING_SIZE:
3256         case SQ_GSVS_RING_SIZE:
3257         case SQ_ESTMP_RING_SIZE:
3258         case SQ_GSTMP_RING_SIZE:
3259         case SQ_HSTMP_RING_SIZE:
3260         case SQ_LSTMP_RING_SIZE:
3261         case SQ_PSTMP_RING_SIZE:
3262         case SQ_VSTMP_RING_SIZE:
3263         case SQ_ESGS_RING_ITEMSIZE:
3264         case SQ_ESTMP_RING_ITEMSIZE:
3265         case SQ_GSTMP_RING_ITEMSIZE:
3266         case SQ_GSVS_RING_ITEMSIZE:
3267         case SQ_GS_VERT_ITEMSIZE:
3268         case SQ_GS_VERT_ITEMSIZE_1:
3269         case SQ_GS_VERT_ITEMSIZE_2:
3270         case SQ_GS_VERT_ITEMSIZE_3:
3271         case SQ_GSVS_RING_OFFSET_1:
3272         case SQ_GSVS_RING_OFFSET_2:
3273         case SQ_GSVS_RING_OFFSET_3:
3274         case SQ_HSTMP_RING_ITEMSIZE:
3275         case SQ_LSTMP_RING_ITEMSIZE:
3276         case SQ_PSTMP_RING_ITEMSIZE:
3277         case SQ_VSTMP_RING_ITEMSIZE:
3278         case VGT_TF_RING_SIZE:
3279         case SQ_ESGS_RING_BASE:
3280         case SQ_GSVS_RING_BASE:
3281         case SQ_ESTMP_RING_BASE:
3282         case SQ_GSTMP_RING_BASE:
3283         case SQ_HSTMP_RING_BASE:
3284         case SQ_LSTMP_RING_BASE:
3285         case SQ_PSTMP_RING_BASE:
3286         case SQ_VSTMP_RING_BASE:
3287         case CAYMAN_VGT_OFFCHIP_LDS_BASE:
3288         case CAYMAN_SQ_EX_ALLOC_TABLE_SLOTS:
3289                 return true;
3290         default:
3291                 DRM_ERROR("Invalid register 0x%x in CS\n", reg);
3292                 return false;
3293         }
3294 }
3295
3296 static int evergreen_vm_packet3_check(struct radeon_device *rdev,
3297                                       u32 *ib, struct radeon_cs_packet *pkt)
3298 {
3299         u32 idx = pkt->idx + 1;
3300         u32 idx_value = ib[idx];
3301         u32 start_reg, end_reg, reg, i;
3302         u32 command, info;
3303
3304         switch (pkt->opcode) {
3305         case PACKET3_NOP:
3306                 break;
3307         case PACKET3_SET_BASE:
3308                 if (idx_value != 1) {
3309                         DRM_ERROR("bad SET_BASE");
3310                         return -EINVAL;
3311                 }
3312                 break;
3313         case PACKET3_CLEAR_STATE:
3314         case PACKET3_INDEX_BUFFER_SIZE:
3315         case PACKET3_DISPATCH_DIRECT:
3316         case PACKET3_DISPATCH_INDIRECT:
3317         case PACKET3_MODE_CONTROL:
3318         case PACKET3_SET_PREDICATION:
3319         case PACKET3_COND_EXEC:
3320         case PACKET3_PRED_EXEC:
3321         case PACKET3_DRAW_INDIRECT:
3322         case PACKET3_DRAW_INDEX_INDIRECT:
3323         case PACKET3_INDEX_BASE:
3324         case PACKET3_DRAW_INDEX_2:
3325         case PACKET3_CONTEXT_CONTROL:
3326         case PACKET3_DRAW_INDEX_OFFSET:
3327         case PACKET3_INDEX_TYPE:
3328         case PACKET3_DRAW_INDEX:
3329         case PACKET3_DRAW_INDEX_AUTO:
3330         case PACKET3_DRAW_INDEX_IMMD:
3331         case PACKET3_NUM_INSTANCES:
3332         case PACKET3_DRAW_INDEX_MULTI_AUTO:
3333         case PACKET3_STRMOUT_BUFFER_UPDATE:
3334         case PACKET3_DRAW_INDEX_OFFSET_2:
3335         case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
3336         case PACKET3_MPEG_INDEX:
3337         case PACKET3_WAIT_REG_MEM:
3338         case PACKET3_MEM_WRITE:
3339         case PACKET3_SURFACE_SYNC:
3340         case PACKET3_EVENT_WRITE:
3341         case PACKET3_EVENT_WRITE_EOP:
3342         case PACKET3_EVENT_WRITE_EOS:
3343         case PACKET3_SET_CONTEXT_REG:
3344         case PACKET3_SET_BOOL_CONST:
3345         case PACKET3_SET_LOOP_CONST:
3346         case PACKET3_SET_RESOURCE:
3347         case PACKET3_SET_SAMPLER:
3348         case PACKET3_SET_CTL_CONST:
3349         case PACKET3_SET_RESOURCE_OFFSET:
3350         case PACKET3_SET_CONTEXT_REG_INDIRECT:
3351         case PACKET3_SET_RESOURCE_INDIRECT:
3352         case CAYMAN_PACKET3_DEALLOC_STATE:
3353                 break;
3354         case PACKET3_COND_WRITE:
3355                 if (idx_value & 0x100) {
3356                         reg = ib[idx + 5] * 4;
3357                         if (!evergreen_vm_reg_valid(reg))
3358                                 return -EINVAL;
3359                 }
3360                 break;
3361         case PACKET3_COPY_DW:
3362                 if (idx_value & 0x2) {
3363                         reg = ib[idx + 3] * 4;
3364                         if (!evergreen_vm_reg_valid(reg))
3365                                 return -EINVAL;
3366                 }
3367                 break;
3368         case PACKET3_SET_CONFIG_REG:
3369                 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
3370                 end_reg = 4 * pkt->count + start_reg - 4;
3371                 if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
3372                     (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
3373                     (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
3374                         DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
3375                         return -EINVAL;
3376                 }
3377                 for (i = 0; i < pkt->count; i++) {
3378                         reg = start_reg + (4 * i);
3379                         if (!evergreen_vm_reg_valid(reg))
3380                                 return -EINVAL;
3381                 }
3382                 break;
3383         case PACKET3_CP_DMA:
3384                 command = ib[idx + 4];
3385                 info = ib[idx + 1];
3386                 if ((((info & 0x60000000) >> 29) != 0) || /* src = GDS or DATA */
3387                     (((info & 0x00300000) >> 20) != 0) || /* dst = GDS */
3388                     ((((info & 0x00300000) >> 20) == 0) &&
3389                      (command & PACKET3_CP_DMA_CMD_DAS)) || /* dst = register */
3390                     ((((info & 0x60000000) >> 29) == 0) &&
3391                      (command & PACKET3_CP_DMA_CMD_SAS))) { /* src = register */
3392                         /* non mem to mem copies requires dw aligned count */
3393                         if ((command & 0x1fffff) % 4) {
3394                                 DRM_ERROR("CP DMA command requires dw count alignment\n");
3395                                 return -EINVAL;
3396                         }
3397                 }
3398                 if (command & PACKET3_CP_DMA_CMD_SAS) {
3399                         /* src address space is register */
3400                         if (((info & 0x60000000) >> 29) == 0) {
3401                                 start_reg = idx_value << 2;
3402                                 if (command & PACKET3_CP_DMA_CMD_SAIC) {
3403                                         reg = start_reg;
3404                                         if (!evergreen_vm_reg_valid(reg)) {
3405                                                 DRM_ERROR("CP DMA Bad SRC register\n");
3406                                                 return -EINVAL;
3407                                         }
3408                                 } else {
3409                                         for (i = 0; i < (command & 0x1fffff); i++) {
3410                                                 reg = start_reg + (4 * i);
3411                                                 if (!evergreen_vm_reg_valid(reg)) {
3412                                                         DRM_ERROR("CP DMA Bad SRC register\n");
3413                                                         return -EINVAL;
3414                                                 }
3415                                         }
3416                                 }
3417                         }
3418                 }
3419                 if (command & PACKET3_CP_DMA_CMD_DAS) {
3420                         /* dst address space is register */
3421                         if (((info & 0x00300000) >> 20) == 0) {
3422                                 start_reg = ib[idx + 2];
3423                                 if (command & PACKET3_CP_DMA_CMD_DAIC) {
3424                                         reg = start_reg;
3425                                         if (!evergreen_vm_reg_valid(reg)) {
3426                                                 DRM_ERROR("CP DMA Bad DST register\n");
3427                                                 return -EINVAL;
3428                                         }
3429                                 } else {
3430                                         for (i = 0; i < (command & 0x1fffff); i++) {
3431                                                 reg = start_reg + (4 * i);
3432                                                 if (!evergreen_vm_reg_valid(reg)) {
3433                                                         DRM_ERROR("CP DMA Bad DST register\n");
3434                                                         return -EINVAL;
3435                                                 }
3436                                         }
3437                                 }
3438                         }
3439                 }
3440                 break;
3441         default:
3442                 return -EINVAL;
3443         }
3444         return 0;
3445 }
3446
3447 int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
3448 {
3449         int ret = 0;
3450         u32 idx = 0;
3451         struct radeon_cs_packet pkt;
3452
3453         do {
3454                 pkt.idx = idx;
3455                 pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
3456                 pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
3457                 pkt.one_reg_wr = 0;
3458                 switch (pkt.type) {
3459                 case RADEON_PACKET_TYPE0:
3460                         dev_err(rdev->dev, "Packet0 not allowed!\n");
3461                         ret = -EINVAL;
3462                         break;
3463                 case RADEON_PACKET_TYPE2:
3464                         idx += 1;
3465                         break;
3466                 case RADEON_PACKET_TYPE3:
3467                         pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
3468                         ret = evergreen_vm_packet3_check(rdev, ib->ptr, &pkt);
3469                         idx += pkt.count + 2;
3470                         break;
3471                 default:
3472                         dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
3473                         ret = -EINVAL;
3474                         break;
3475                 }
3476                 if (ret)
3477                         break;
3478         } while (idx < ib->length_dw);
3479
3480         return ret;
3481 }
3482
3483 /**
3484  * evergreen_dma_ib_parse() - parse the DMA IB for VM
3485  * @rdev: radeon_device pointer
3486  * @ib: radeon_ib pointer
3487  *
3488  * Parses the DMA IB from the VM CS ioctl
3489  * checks for errors. (Cayman-SI)
3490  * Returns 0 for success and an error on failure.
3491  **/
3492 int evergreen_dma_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
3493 {
3494         u32 idx = 0;
3495         u32 header, cmd, count, sub_cmd;
3496
3497         do {
3498                 header = ib->ptr[idx];
3499                 cmd = GET_DMA_CMD(header);
3500                 count = GET_DMA_COUNT(header);
3501                 sub_cmd = GET_DMA_SUB_CMD(header);
3502
3503                 switch (cmd) {
3504                 case DMA_PACKET_WRITE:
3505                         switch (sub_cmd) {
3506                         /* tiled */
3507                         case 8:
3508                                 idx += count + 7;
3509                                 break;
3510                         /* linear */
3511                         case 0:
3512                                 idx += count + 3;
3513                                 break;
3514                         default:
3515                                 DRM_ERROR("bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n", idx, ib->ptr[idx]);
3516                                 return -EINVAL;
3517                         }
3518                         break;
3519                 case DMA_PACKET_COPY:
3520                         switch (sub_cmd) {
3521                         /* Copy L2L, DW aligned */
3522                         case 0x00:
3523                                 idx += 5;
3524                                 break;
3525                         /* Copy L2T/T2L */
3526                         case 0x08:
3527                                 idx += 9;
3528                                 break;
3529                         /* Copy L2L, byte aligned */
3530                         case 0x40:
3531                                 idx += 5;
3532                                 break;
3533                         /* Copy L2L, partial */
3534                         case 0x41:
3535                                 idx += 9;
3536                                 break;
3537                         /* Copy L2L, DW aligned, broadcast */
3538                         case 0x44:
3539                                 idx += 7;
3540                                 break;
3541                         /* Copy L2T Frame to Field */
3542                         case 0x48:
3543                                 idx += 10;
3544                                 break;
3545                         /* Copy L2T/T2L, partial */
3546                         case 0x49:
3547                                 idx += 12;
3548                                 break;
3549                         /* Copy L2T broadcast */
3550                         case 0x4b:
3551                                 idx += 10;
3552                                 break;
3553                         /* Copy L2T/T2L (tile units) */
3554                         case 0x4c:
3555                                 idx += 9;
3556                                 break;
3557                         /* Copy T2T, partial (tile units) */
3558                         case 0x4d:
3559                                 idx += 13;
3560                                 break;
3561                         /* Copy L2T broadcast (tile units) */
3562                         case 0x4f:
3563                                 idx += 10;
3564                                 break;
3565                         default:
3566                                 DRM_ERROR("bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n", idx, ib->ptr[idx]);
3567                                 return -EINVAL;
3568                         }
3569                         break;
3570                 case DMA_PACKET_CONSTANT_FILL:
3571                         idx += 4;
3572                         break;
3573                 case DMA_PACKET_NOP:
3574                         idx += 1;
3575                         break;
3576                 default:
3577                         DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
3578                         return -EINVAL;
3579                 }
3580         } while (idx < ib->length_dw);
3581
3582         return 0;
3583 }