drivers/gpu/drm/radeon/r600_cs.c

   1 /*
   2  * Copyright 2008 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 <linux/kernel.h>
  29 #include <drm/drmP.h>
  30 #include "radeon.h"
  31 #include "r600d.h"
  32 #include "r600_reg_safe.h"
  33
  34 static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
  35                                         struct radeon_cs_reloc **cs_reloc);
  36 static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
  37                                         struct radeon_cs_reloc **cs_reloc);
  38 typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
  39 static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
  40 extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
  41
  42
  43 struct r600_cs_track {
  44         /* configuration we miror so that we use same code btw kms/ums */
  45         u32                     group_size;
  46         u32                     nbanks;
  47         u32                     npipes;
  48         /* value we track */
  49         u32                     sq_config;
  50         u32                     log_nsamples;
  51         u32                     nsamples;
  52         u32                     cb_color_base_last[8];
  53         struct radeon_bo        *cb_color_bo[8];
  54         u64                     cb_color_bo_mc[8];
  55         u64                     cb_color_bo_offset[8];
  56         struct radeon_bo        *cb_color_frag_bo[8];
  57         u64                     cb_color_frag_offset[8];
  58         struct radeon_bo        *cb_color_tile_bo[8];
  59         u64                     cb_color_tile_offset[8];
  60         u32                     cb_color_mask[8];
  61         u32                     cb_color_info[8];
  62         u32                     cb_color_view[8];
  63         u32                     cb_color_size_idx[8]; /* unused */
  64         u32                     cb_target_mask;
  65         u32                     cb_shader_mask;  /* unused */
  66         bool                    is_resolve;
  67         u32                     cb_color_size[8];
  68         u32                     vgt_strmout_en;
  69         u32                     vgt_strmout_buffer_en;
  70         struct radeon_bo        *vgt_strmout_bo[4];
  71         u64                     vgt_strmout_bo_mc[4]; /* unused */
  72         u32                     vgt_strmout_bo_offset[4];
  73         u32                     vgt_strmout_size[4];
  74         u32                     db_depth_control;
  75         u32                     db_depth_info;
  76         u32                     db_depth_size_idx;
  77         u32                     db_depth_view;
  78         u32                     db_depth_size;
  79         u32                     db_offset;
  80         struct radeon_bo        *db_bo;
  81         u64                     db_bo_mc;
  82         bool                    sx_misc_kill_all_prims;
  83         bool                    cb_dirty;
  84         bool                    db_dirty;
  85         bool                    streamout_dirty;
  86         struct radeon_bo        *htile_bo;
  87         u64                     htile_offset;
  88         u32                     htile_surface;
  89 };
  90
  91 #define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
  92 #define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
  93 #define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
  94 #define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
  95 #define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
  96 #define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
  97 #define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
  98 #define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
  99
 100 struct gpu_formats {
 101         unsigned blockwidth;
 102         unsigned blockheight;
 103         unsigned blocksize;
 104         unsigned valid_color;
 105         enum radeon_family min_family;
 106 };
 107
 108 static const struct gpu_formats color_formats_table[] = {
 109         /* 8 bit */
 110         FMT_8_BIT(V_038004_COLOR_8, 1),
 111         FMT_8_BIT(V_038004_COLOR_4_4, 1),
 112         FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
 113         FMT_8_BIT(V_038004_FMT_1, 0),
 114
 115         /* 16-bit */
 116         FMT_16_BIT(V_038004_COLOR_16, 1),
 117         FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
 118         FMT_16_BIT(V_038004_COLOR_8_8, 1),
 119         FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
 120         FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
 121         FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
 122         FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
 123         FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
 124
 125         /* 24-bit */
 126         FMT_24_BIT(V_038004_FMT_8_8_8),
 127
 128         /* 32-bit */
 129         FMT_32_BIT(V_038004_COLOR_32, 1),
 130         FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
 131         FMT_32_BIT(V_038004_COLOR_16_16, 1),
 132         FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
 133         FMT_32_BIT(V_038004_COLOR_8_24, 1),
 134         FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
 135         FMT_32_BIT(V_038004_COLOR_24_8, 1),
 136         FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
 137         FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
 138         FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
 139         FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
 140         FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
 141         FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
 142         FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
 143         FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
 144         FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
 145         FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
 146         FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
 147
 148         /* 48-bit */
 149         FMT_48_BIT(V_038004_FMT_16_16_16),
 150         FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
 151
 152         /* 64-bit */
 153         FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
 154         FMT_64_BIT(V_038004_COLOR_32_32, 1),
 155         FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
 156         FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
 157         FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
 158
 159         FMT_96_BIT(V_038004_FMT_32_32_32),
 160         FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
 161
 162         /* 128-bit */
 163         FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
 164         FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
 165
 166         [V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
 167         [V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
 168
 169         /* block compressed formats */
 170         [V_038004_FMT_BC1] = { 4, 4, 8, 0 },
 171         [V_038004_FMT_BC2] = { 4, 4, 16, 0 },
 172         [V_038004_FMT_BC3] = { 4, 4, 16, 0 },
 173         [V_038004_FMT_BC4] = { 4, 4, 8, 0 },
 174         [V_038004_FMT_BC5] = { 4, 4, 16, 0},
 175         [V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 176         [V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 177
 178         /* The other Evergreen formats */
 179         [V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
 180 };
 181
 182 bool r600_fmt_is_valid_color(u32 format)
 183 {
 184         if (format >= ARRAY_SIZE(color_formats_table))
 185                 return false;
 186
 187         if (color_formats_table[format].valid_color)
 188                 return true;
 189
 190         return false;
 191 }
 192
 193 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
 194 {
 195         if (format >= ARRAY_SIZE(color_formats_table))
 196                 return false;
 197
 198         if (family < color_formats_table[format].min_family)
 199                 return false;
 200
 201         if (color_formats_table[format].blockwidth > 0)
 202                 return true;
 203
 204         return false;
 205 }
 206
 207 int r600_fmt_get_blocksize(u32 format)
 208 {
 209         if (format >= ARRAY_SIZE(color_formats_table))
 210                 return 0;
 211
 212         return color_formats_table[format].blocksize;
 213 }
 214
 215 int r600_fmt_get_nblocksx(u32 format, u32 w)
 216 {
 217         unsigned bw;
 218
 219         if (format >= ARRAY_SIZE(color_formats_table))
 220                 return 0;
 221
 222         bw = color_formats_table[format].blockwidth;
 223         if (bw == 0)
 224                 return 0;
 225
 226         return (w + bw - 1) / bw;
 227 }
 228
 229 int r600_fmt_get_nblocksy(u32 format, u32 h)
 230 {
 231         unsigned bh;
 232
 233         if (format >= ARRAY_SIZE(color_formats_table))
 234                 return 0;
 235
 236         bh = color_formats_table[format].blockheight;
 237         if (bh == 0)
 238                 return 0;
 239
 240         return (h + bh - 1) / bh;
 241 }
 242
 243 struct array_mode_checker {
 244         int array_mode;
 245         u32 group_size;
 246         u32 nbanks;
 247         u32 npipes;
 248         u32 nsamples;
 249         u32 blocksize;
 250 };
 251
 252 /* returns alignment in pixels for pitch/height/depth and bytes for base */
 253 static int r600_get_array_mode_alignment(struct array_mode_checker *values,
 254                                                 u32 *pitch_align,
 255                                                 u32 *height_align,
 256                                                 u32 *depth_align,
 257                                                 u64 *base_align)
 258 {
 259         u32 tile_width = 8;
 260         u32 tile_height = 8;
 261         u32 macro_tile_width = values->nbanks;
 262         u32 macro_tile_height = values->npipes;
 263         u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
 264         u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
 265
 266         switch (values->array_mode) {
 267         case ARRAY_LINEAR_GENERAL:
 268                 /* technically tile_width/_height for pitch/height */
 269                 *pitch_align = 1; /* tile_width */
 270                 *height_align = 1; /* tile_height */
 271                 *depth_align = 1;
 272                 *base_align = 1;
 273                 break;
 274         case ARRAY_LINEAR_ALIGNED:
 275                 *pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
 276                 *height_align = 1;
 277                 *depth_align = 1;
 278                 *base_align = values->group_size;
 279                 break;
 280         case ARRAY_1D_TILED_THIN1:
 281                 *pitch_align = max((u32)tile_width,
 282                                    (u32)(values->group_size /
 283                                          (tile_height * values->blocksize * values->nsamples)));
 284                 *height_align = tile_height;
 285                 *depth_align = 1;
 286                 *base_align = values->group_size;
 287                 break;
 288         case ARRAY_2D_TILED_THIN1:
 289                 *pitch_align = max((u32)macro_tile_width * tile_width,
 290                                 (u32)((values->group_size * values->nbanks) /
 291                                 (values->blocksize * values->nsamples * tile_width)));
 292                 *height_align = macro_tile_height * tile_height;
 293                 *depth_align = 1;
 294                 *base_align = max(macro_tile_bytes,
 295                                   (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
 296                 break;
 297         default:
 298                 return -EINVAL;
 299         }
 300
 301         return 0;
 302 }
 303
 304 static void r600_cs_track_init(struct r600_cs_track *track)
 305 {
 306         int i;
 307
 308         /* assume DX9 mode */
 309         track->sq_config = DX9_CONSTS;
 310         for (i = 0; i < 8; i++) {
 311                 track->cb_color_base_last[i] = 0;
 312                 track->cb_color_size[i] = 0;
 313                 track->cb_color_size_idx[i] = 0;
 314                 track->cb_color_info[i] = 0;
 315                 track->cb_color_view[i] = 0xFFFFFFFF;
 316                 track->cb_color_bo[i] = NULL;
 317                 track->cb_color_bo_offset[i] = 0xFFFFFFFF;
 318                 track->cb_color_bo_mc[i] = 0xFFFFFFFF;
 319                 track->cb_color_frag_bo[i] = NULL;
 320                 track->cb_color_frag_offset[i] = 0xFFFFFFFF;
 321                 track->cb_color_tile_bo[i] = NULL;
 322                 track->cb_color_tile_offset[i] = 0xFFFFFFFF;
 323                 track->cb_color_mask[i] = 0xFFFFFFFF;
 324         }
 325         track->is_resolve = false;
 326         track->nsamples = 16;
 327         track->log_nsamples = 4;
 328         track->cb_target_mask = 0xFFFFFFFF;
 329         track->cb_shader_mask = 0xFFFFFFFF;
 330         track->cb_dirty = true;
 331         track->db_bo = NULL;
 332         track->db_bo_mc = 0xFFFFFFFF;
 333         /* assume the biggest format and that htile is enabled */
 334         track->db_depth_info = 7 | (1 << 25);
 335         track->db_depth_view = 0xFFFFC000;
 336         track->db_depth_size = 0xFFFFFFFF;
 337         track->db_depth_size_idx = 0;
 338         track->db_depth_control = 0xFFFFFFFF;
 339         track->db_dirty = true;
 340         track->htile_bo = NULL;
 341         track->htile_offset = 0xFFFFFFFF;
 342         track->htile_surface = 0;
 343
 344         for (i = 0; i < 4; i++) {
 345                 track->vgt_strmout_size[i] = 0;
 346                 track->vgt_strmout_bo[i] = NULL;
 347                 track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
 348                 track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
 349         }
 350         track->streamout_dirty = true;
 351         track->sx_misc_kill_all_prims = false;
 352 }
 353
 354 static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
 355 {
 356         struct r600_cs_track *track = p->track;
 357         u32 slice_tile_max, size, tmp;
 358         u32 height, height_align, pitch, pitch_align, depth_align;
 359         u64 base_offset, base_align;
 360         struct array_mode_checker array_check;
 361         volatile u32 *ib = p->ib.ptr;
 362         unsigned array_mode;
 363         u32 format;
 364         /* When resolve is used, the second colorbuffer has always 1 sample. */
 365         unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
 366
 367         size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
 368         format = G_0280A0_FORMAT(track->cb_color_info[i]);
 369         if (!r600_fmt_is_valid_color(format)) {
 370                 dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
 371                          __func__, __LINE__, format,
 372                         i, track->cb_color_info[i]);
 373                 return -EINVAL;
 374         }
 375         /* pitch in pixels */
 376         pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
 377         slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
 378         slice_tile_max *= 64;
 379         height = slice_tile_max / pitch;
 380         if (height > 8192)
 381                 height = 8192;
 382         array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
 383
 384         base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
 385         array_check.array_mode = array_mode;
 386         array_check.group_size = track->group_size;
 387         array_check.nbanks = track->nbanks;
 388         array_check.npipes = track->npipes;
 389         array_check.nsamples = nsamples;
 390         array_check.blocksize = r600_fmt_get_blocksize(format);
 391         if (r600_get_array_mode_alignment(&array_check,
 392                                           &pitch_align, &height_align, &depth_align, &base_align)) {
 393                 dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 394                          G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 395                          track->cb_color_info[i]);
 396                 return -EINVAL;
 397         }
 398         switch (array_mode) {
 399         case V_0280A0_ARRAY_LINEAR_GENERAL:
 400                 break;
 401         case V_0280A0_ARRAY_LINEAR_ALIGNED:
 402                 break;
 403         case V_0280A0_ARRAY_1D_TILED_THIN1:
 404                 /* avoid breaking userspace */
 405                 if (height > 7)
 406                         height &= ~0x7;
 407                 break;
 408         case V_0280A0_ARRAY_2D_TILED_THIN1:
 409                 break;
 410         default:
 411                 dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 412                         G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 413                         track->cb_color_info[i]);
 414                 return -EINVAL;
 415         }
 416
 417         if (!IS_ALIGNED(pitch, pitch_align)) {
 418                 dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
 419                          __func__, __LINE__, pitch, pitch_align, array_mode);
 420                 return -EINVAL;
 421         }
 422         if (!IS_ALIGNED(height, height_align)) {
 423                 dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
 424                          __func__, __LINE__, height, height_align, array_mode);
 425                 return -EINVAL;
 426         }
 427         if (!IS_ALIGNED(base_offset, base_align)) {
 428                 dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
 429                          base_offset, base_align, array_mode);
 430                 return -EINVAL;
 431         }
 432
 433         /* check offset */
 434         tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
 435               r600_fmt_get_blocksize(format) * nsamples;
 436         switch (array_mode) {
 437         default:
 438         case V_0280A0_ARRAY_LINEAR_GENERAL:
 439         case V_0280A0_ARRAY_LINEAR_ALIGNED:
 440                 tmp += track->cb_color_view[i] & 0xFF;
 441                 break;
 442         case V_0280A0_ARRAY_1D_TILED_THIN1:
 443         case V_0280A0_ARRAY_2D_TILED_THIN1:
 444                 tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
 445                 break;
 446         }
 447         if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
 448                 if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
 449                         /* the initial DDX does bad things with the CB size occasionally */
 450                         /* it rounds up height too far for slice tile max but the BO is smaller */
 451                         /* r600c,g also seem to flush at bad times in some apps resulting in
 452                          * bogus values here. So for linear just allow anything to avoid breaking
 453                          * broken userspace.
 454                          */
 455                 } else {
 456                         dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n",
 457                                  __func__, i, array_mode,
 458                                  track->cb_color_bo_offset[i], tmp,
 459                                  radeon_bo_size(track->cb_color_bo[i]),
 460                                  pitch, height, r600_fmt_get_nblocksx(format, pitch),
 461                                  r600_fmt_get_nblocksy(format, height),
 462                                  r600_fmt_get_blocksize(format));
 463                         return -EINVAL;
 464                 }
 465         }
 466         /* limit max tile */
 467         tmp = (height * pitch) >> 6;
 468         if (tmp < slice_tile_max)
 469                 slice_tile_max = tmp;
 470         tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
 471                 S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
 472         ib[track->cb_color_size_idx[i]] = tmp;
 473
 474         /* FMASK/CMASK */
 475         switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
 476         case V_0280A0_TILE_DISABLE:
 477                 break;
 478         case V_0280A0_FRAG_ENABLE:
 479                 if (track->nsamples > 1) {
 480                         uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
 481                         /* the tile size is 8x8, but the size is in units of bits.
 482                          * for bytes, do just * 8. */
 483                         uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
 484
 485                         if (bytes + track->cb_color_frag_offset[i] >
 486                             radeon_bo_size(track->cb_color_frag_bo[i])) {
 487                                 dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
 488                                          "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
 489                                          __func__, tile_max, bytes,
 490                                          track->cb_color_frag_offset[i],
 491                                          radeon_bo_size(track->cb_color_frag_bo[i]));
 492                                 return -EINVAL;
 493                         }
 494                 }
 495                 /* fall through */
 496         case V_0280A0_CLEAR_ENABLE:
 497         {
 498                 uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
 499                 /* One block = 128x128 pixels, one 8x8 tile has 4 bits..
 500                  * (128*128) / (8*8) / 2 = 128 bytes per block. */
 501                 uint32_t bytes = (block_max + 1) * 128;
 502
 503                 if (bytes + track->cb_color_tile_offset[i] >
 504                     radeon_bo_size(track->cb_color_tile_bo[i])) {
 505                         dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
 506                                  "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
 507                                  __func__, block_max, bytes,
 508                                  track->cb_color_tile_offset[i],
 509                                  radeon_bo_size(track->cb_color_tile_bo[i]));
 510                         return -EINVAL;
 511                 }
 512                 break;
 513         }
 514         default:
 515                 dev_warn(p->dev, "%s invalid tile mode\n", __func__);
 516                 return -EINVAL;
 517         }
 518         return 0;
 519 }
 520
 521 static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
 522 {
 523         struct r600_cs_track *track = p->track;
 524         u32 nviews, bpe, ntiles, size, slice_tile_max, tmp;
 525         u32 height_align, pitch_align, depth_align;
 526         u32 pitch = 8192;
 527         u32 height = 8192;
 528         u64 base_offset, base_align;
 529         struct array_mode_checker array_check;
 530         int array_mode;
 531         volatile u32 *ib = p->ib.ptr;
 532
 533
 534         if (track->db_bo == NULL) {
 535                 dev_warn(p->dev, "z/stencil with no depth buffer\n");
 536                 return -EINVAL;
 537         }
 538         switch (G_028010_FORMAT(track->db_depth_info)) {
 539         case V_028010_DEPTH_16:
 540                 bpe = 2;
 541                 break;
 542         case V_028010_DEPTH_X8_24:
 543         case V_028010_DEPTH_8_24:
 544         case V_028010_DEPTH_X8_24_FLOAT:
 545         case V_028010_DEPTH_8_24_FLOAT:
 546         case V_028010_DEPTH_32_FLOAT:
 547                 bpe = 4;
 548                 break;
 549         case V_028010_DEPTH_X24_8_32_FLOAT:
 550                 bpe = 8;
 551                 break;
 552         default:
 553                 dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
 554                 return -EINVAL;
 555         }
 556         if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
 557                 if (!track->db_depth_size_idx) {
 558                         dev_warn(p->dev, "z/stencil buffer size not set\n");
 559                         return -EINVAL;
 560                 }
 561                 tmp = radeon_bo_size(track->db_bo) - track->db_offset;
 562                 tmp = (tmp / bpe) >> 6;
 563                 if (!tmp) {
 564                         dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
 565                                         track->db_depth_size, bpe, track->db_offset,
 566                                         radeon_bo_size(track->db_bo));
 567                         return -EINVAL;
 568                 }
 569                 ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
 570         } else {
 571                 size = radeon_bo_size(track->db_bo);
 572                 /* pitch in pixels */
 573                 pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
 574                 slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 575                 slice_tile_max *= 64;
 576                 height = slice_tile_max / pitch;
 577                 if (height > 8192)
 578                         height = 8192;
 579                 base_offset = track->db_bo_mc + track->db_offset;
 580                 array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
 581                 array_check.array_mode = array_mode;
 582                 array_check.group_size = track->group_size;
 583                 array_check.nbanks = track->nbanks;
 584                 array_check.npipes = track->npipes;
 585                 array_check.nsamples = track->nsamples;
 586                 array_check.blocksize = bpe;
 587                 if (r600_get_array_mode_alignment(&array_check,
 588                                         &pitch_align, &height_align, &depth_align, &base_align)) {
 589                         dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 590                                         G_028010_ARRAY_MODE(track->db_depth_info),
 591                                         track->db_depth_info);
 592                         return -EINVAL;
 593                 }
 594                 switch (array_mode) {
 595                 case V_028010_ARRAY_1D_TILED_THIN1:
 596                         /* don't break userspace */
 597                         height &= ~0x7;
 598                         break;
 599                 case V_028010_ARRAY_2D_TILED_THIN1:
 600                         break;
 601                 default:
 602                         dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 603                                         G_028010_ARRAY_MODE(track->db_depth_info),
 604                                         track->db_depth_info);
 605                         return -EINVAL;
 606                 }
 607
 608                 if (!IS_ALIGNED(pitch, pitch_align)) {
 609                         dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
 610                                         __func__, __LINE__, pitch, pitch_align, array_mode);
 611                         return -EINVAL;
 612                 }
 613                 if (!IS_ALIGNED(height, height_align)) {
 614                         dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
 615                                         __func__, __LINE__, height, height_align, array_mode);
 616                         return -EINVAL;
 617                 }
 618                 if (!IS_ALIGNED(base_offset, base_align)) {
 619                         dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__,
 620                                         base_offset, base_align, array_mode);
 621                         return -EINVAL;
 622                 }
 623
 624                 ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 625                 nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
 626                 tmp = ntiles * bpe * 64 * nviews * track->nsamples;
 627                 if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
 628                         dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
 629                                         array_mode,
 630                                         track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
 631                                         radeon_bo_size(track->db_bo));
 632                         return -EINVAL;
 633                 }
 634         }
 635
 636         /* hyperz */
 637         if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
 638                 unsigned long size;
 639                 unsigned nbx, nby;
 640
 641                 if (track->htile_bo == NULL) {
 642                         dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
 643                                  __func__, __LINE__, track->db_depth_info);
 644                         return -EINVAL;
 645                 }
 646                 if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
 647                         dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
 648                                  __func__, __LINE__, track->db_depth_size);
 649                         return -EINVAL;
 650                 }
 651
 652                 nbx = pitch;
 653                 nby = height;
 654                 if (G_028D24_LINEAR(track->htile_surface)) {
 655                         /* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
 656                         nbx = round_up(nbx, 16 * 8);
 657                         /* nby is npipes htiles aligned == npipes * 8 pixel aligned */
 658                         nby = round_up(nby, track->npipes * 8);
 659                 } else {
 660                         /* always assume 8x8 htile */
 661                         /* align is htile align * 8, htile align vary according to
 662                          * number of pipe and tile width and nby
 663                          */
 664                         switch (track->npipes) {
 665                         case 8:
 666                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 667                                 nbx = round_up(nbx, 64 * 8);
 668                                 nby = round_up(nby, 64 * 8);
 669                                 break;
 670                         case 4:
 671                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 672                                 nbx = round_up(nbx, 64 * 8);
 673                                 nby = round_up(nby, 32 * 8);
 674                                 break;
 675                         case 2:
 676                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 677                                 nbx = round_up(nbx, 32 * 8);
 678                                 nby = round_up(nby, 32 * 8);
 679                                 break;
 680                         case 1:
 681                                 /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 682                                 nbx = round_up(nbx, 32 * 8);
 683                                 nby = round_up(nby, 16 * 8);
 684                                 break;
 685                         default:
 686                                 dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
 687                                          __func__, __LINE__, track->npipes);
 688                                 return -EINVAL;
 689                         }
 690                 }
 691                 /* compute number of htile */
 692                 nbx = nbx >> 3;
 693                 nby = nby >> 3;
 694                 /* size must be aligned on npipes * 2K boundary */
 695                 size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
 696                 size += track->htile_offset;
 697
 698                 if (size > radeon_bo_size(track->htile_bo)) {
 699                         dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
 700                                  __func__, __LINE__, radeon_bo_size(track->htile_bo),
 701                                  size, nbx, nby);
 702                         return -EINVAL;
 703                 }
 704         }
 705
 706         track->db_dirty = false;
 707         return 0;
 708 }
 709
 710 static int r600_cs_track_check(struct radeon_cs_parser *p)
 711 {
 712         struct r600_cs_track *track = p->track;
 713         u32 tmp;
 714         int r, i;
 715
 716         /* on legacy kernel we don't perform advanced check */
 717         if (p->rdev == NULL)
 718                 return 0;
 719
 720         /* check streamout */
 721         if (track->streamout_dirty && track->vgt_strmout_en) {
 722                 for (i = 0; i < 4; i++) {
 723                         if (track->vgt_strmout_buffer_en & (1 << i)) {
 724                                 if (track->vgt_strmout_bo[i]) {
 725                                         u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
 726                                                 (u64)track->vgt_strmout_size[i];
 727                                         if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
 728                                                 DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
 729                                                           i, offset,
 730                                                           radeon_bo_size(track->vgt_strmout_bo[i]));
 731                                                 return -EINVAL;
 732                                         }
 733                                 } else {
 734                                         dev_warn(p->dev, "No buffer for streamout %d\n", i);
 735                                         return -EINVAL;
 736                                 }
 737                         }
 738                 }
 739                 track->streamout_dirty = false;
 740         }
 741
 742         if (track->sx_misc_kill_all_prims)
 743                 return 0;
 744
 745         /* check that we have a cb for each enabled target, we don't check
 746          * shader_mask because it seems mesa isn't always setting it :(
 747          */
 748         if (track->cb_dirty) {
 749                 tmp = track->cb_target_mask;
 750
 751                 /* We must check both colorbuffers for RESOLVE. */
 752                 if (track->is_resolve) {
 753                         tmp |= 0xff;
 754                 }
 755
 756                 for (i = 0; i < 8; i++) {
 757                         if ((tmp >> (i * 4)) & 0xF) {
 758                                 /* at least one component is enabled */
 759                                 if (track->cb_color_bo[i] == NULL) {
 760                                         dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
 761                                                 __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
 762                                         return -EINVAL;
 763                                 }
 764                                 /* perform rewrite of CB_COLOR[0-7]_SIZE */
 765                                 r = r600_cs_track_validate_cb(p, i);
 766                                 if (r)
 767                                         return r;
 768                         }
 769                 }
 770                 track->cb_dirty = false;
 771         }
 772
 773         /* Check depth buffer */
 774         if (track->db_dirty &&
 775             G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
 776             (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
 777              G_028800_Z_ENABLE(track->db_depth_control))) {
 778                 r = r600_cs_track_validate_db(p);
 779                 if (r)
 780                         return r;
 781         }
 782
 783         return 0;
 784 }
 785
 786 /**
 787  * r600_cs_packet_parse() - parse cp packet and point ib index to next packet
 788  * @parser:     parser structure holding parsing context.
 789  * @pkt:        where to store packet informations
 790  *
 791  * Assume that chunk_ib_index is properly set. Will return -EINVAL
 792  * if packet is bigger than remaining ib size. or if packets is unknown.
 793  **/
 794 static int r600_cs_packet_parse(struct radeon_cs_parser *p,
 795                         struct radeon_cs_packet *pkt,
 796                         unsigned idx)
 797 {
 798         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
 799         uint32_t header;
 800
 801         if (idx >= ib_chunk->length_dw) {
 802                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 803                           idx, ib_chunk->length_dw);
 804                 return -EINVAL;
 805         }
 806         header = radeon_get_ib_value(p, idx);
 807         pkt->idx = idx;
 808         pkt->type = CP_PACKET_GET_TYPE(header);
 809         pkt->count = CP_PACKET_GET_COUNT(header);
 810         pkt->one_reg_wr = 0;
 811         switch (pkt->type) {
 812         case PACKET_TYPE0:
 813                 pkt->reg = CP_PACKET0_GET_REG(header);
 814                 break;
 815         case PACKET_TYPE3:
 816                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
 817                 break;
 818         case PACKET_TYPE2:
 819                 pkt->count = -1;
 820                 break;
 821         default:
 822                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
 823                 return -EINVAL;
 824         }
 825         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
 826                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
 827                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
 828                 return -EINVAL;
 829         }
 830         return 0;
 831 }
 832
 833 /**
 834  * r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3
 835  * @parser:             parser structure holding parsing context.
 836  * @data:               pointer to relocation data
 837  * @offset_start:       starting offset
 838  * @offset_mask:        offset mask (to align start offset on)
 839  * @reloc:              reloc informations
 840  *
 841  * Check next packet is relocation packet3, do bo validation and compute
 842  * GPU offset using the provided start.
 843  **/
 844 static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
 845                                         struct radeon_cs_reloc **cs_reloc)
 846 {
 847         struct radeon_cs_chunk *relocs_chunk;
 848         struct radeon_cs_packet p3reloc;
 849         unsigned idx;
 850         int r;
 851
 852         if (p->chunk_relocs_idx == -1) {
 853                 DRM_ERROR("No relocation chunk !\n");
 854                 return -EINVAL;
 855         }
 856         *cs_reloc = NULL;
 857         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
 858         r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 859         if (r) {
 860                 return r;
 861         }
 862         p->idx += p3reloc.count + 2;
 863         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 864                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
 865                           p3reloc.idx);
 866                 return -EINVAL;
 867         }
 868         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
 869         if (idx >= relocs_chunk->length_dw) {
 870                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
 871                           idx, relocs_chunk->length_dw);
 872                 return -EINVAL;
 873         }
 874         /* FIXME: we assume reloc size is 4 dwords */
 875         *cs_reloc = p->relocs_ptr[(idx / 4)];
 876         return 0;
 877 }
 878
 879 /**
 880  * r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3
 881  * @parser:             parser structure holding parsing context.
 882  * @data:               pointer to relocation data
 883  * @offset_start:       starting offset
 884  * @offset_mask:        offset mask (to align start offset on)
 885  * @reloc:              reloc informations
 886  *
 887  * Check next packet is relocation packet3, do bo validation and compute
 888  * GPU offset using the provided start.
 889  **/
 890 static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
 891                                         struct radeon_cs_reloc **cs_reloc)
 892 {
 893         struct radeon_cs_chunk *relocs_chunk;
 894         struct radeon_cs_packet p3reloc;
 895         unsigned idx;
 896         int r;
 897
 898         if (p->chunk_relocs_idx == -1) {
 899                 DRM_ERROR("No relocation chunk !\n");
 900                 return -EINVAL;
 901         }
 902         *cs_reloc = NULL;
 903         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
 904         r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 905         if (r) {
 906                 return r;
 907         }
 908         p->idx += p3reloc.count + 2;
 909         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 910                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
 911                           p3reloc.idx);
 912                 return -EINVAL;
 913         }
 914         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
 915         if (idx >= relocs_chunk->length_dw) {
 916                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
 917                           idx, relocs_chunk->length_dw);
 918                 return -EINVAL;
 919         }
 920         *cs_reloc = p->relocs;
 921         (*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32;
 922         (*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0];
 923         return 0;
 924 }
 925
 926 /**
 927  * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
 928  * @parser:             parser structure holding parsing context.
 929  *
 930  * Check next packet is relocation packet3, do bo validation and compute
 931  * GPU offset using the provided start.
 932  **/
 933 static int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
 934 {
 935         struct radeon_cs_packet p3reloc;
 936         int r;
 937
 938         r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 939         if (r) {
 940                 return 0;
 941         }
 942         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 943                 return 0;
 944         }
 945         return 1;
 946 }
 947
 948 /**
 949  * r600_cs_packet_next_vline() - parse userspace VLINE packet
 950  * @parser:             parser structure holding parsing context.
 951  *
 952  * Userspace sends a special sequence for VLINE waits.
 953  * PACKET0 - VLINE_START_END + value
 954  * PACKET3 - WAIT_REG_MEM poll vline status reg
 955  * RELOC (P3) - crtc_id in reloc.
 956  *
 957  * This function parses this and relocates the VLINE START END
 958  * and WAIT_REG_MEM packets to the correct crtc.
 959  * It also detects a switched off crtc and nulls out the
 960  * wait in that case.
 961  */
 962 static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
 963 {
 964         struct drm_mode_object *obj;
 965         struct drm_crtc *crtc;
 966         struct radeon_crtc *radeon_crtc;
 967         struct radeon_cs_packet p3reloc, wait_reg_mem;
 968         int crtc_id;
 969         int r;
 970         uint32_t header, h_idx, reg, wait_reg_mem_info;
 971         volatile uint32_t *ib;
 972
 973         ib = p->ib.ptr;
 974
 975         /* parse the WAIT_REG_MEM */
 976         r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx);
 977         if (r)
 978                 return r;
 979
 980         /* check its a WAIT_REG_MEM */
 981         if (wait_reg_mem.type != PACKET_TYPE3 ||
 982             wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
 983                 DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
 984                 return -EINVAL;
 985         }
 986
 987         wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
 988         /* bit 4 is reg (0) or mem (1) */
 989         if (wait_reg_mem_info & 0x10) {
 990                 DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
 991                 return -EINVAL;
 992         }
 993         /* waiting for value to be equal */
 994         if ((wait_reg_mem_info & 0x7) != 0x3) {
 995                 DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
 996                 return -EINVAL;
 997         }
 998         if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) {
 999                 DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
1000                 return -EINVAL;
1001         }
1002
1003         if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) {
1004                 DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
1005                 return -EINVAL;
1006         }
1007
1008         /* jump over the NOP */
1009         r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
1010         if (r)
1011                 return r;
1012
1013         h_idx = p->idx - 2;
1014         p->idx += wait_reg_mem.count + 2;
1015         p->idx += p3reloc.count + 2;
1016
1017         header = radeon_get_ib_value(p, h_idx);
1018         crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
1019         reg = CP_PACKET0_GET_REG(header);
1020
1021         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1022         if (!obj) {
1023                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1024                 return -EINVAL;
1025         }
1026         crtc = obj_to_crtc(obj);
1027         radeon_crtc = to_radeon_crtc(crtc);
1028         crtc_id = radeon_crtc->crtc_id;
1029
1030         if (!crtc->enabled) {
1031                 /* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
1032                 ib[h_idx + 2] = PACKET2(0);
1033                 ib[h_idx + 3] = PACKET2(0);
1034                 ib[h_idx + 4] = PACKET2(0);
1035                 ib[h_idx + 5] = PACKET2(0);
1036                 ib[h_idx + 6] = PACKET2(0);
1037                 ib[h_idx + 7] = PACKET2(0);
1038                 ib[h_idx + 8] = PACKET2(0);
1039         } else if (crtc_id == 1) {
1040                 switch (reg) {
1041                 case AVIVO_D1MODE_VLINE_START_END:
1042                         header &= ~R600_CP_PACKET0_REG_MASK;
1043                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1044                         break;
1045                 default:
1046                         DRM_ERROR("unknown crtc reloc\n");
1047                         return -EINVAL;
1048                 }
1049                 ib[h_idx] = header;
1050                 ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
1051         }
1052
1053         return 0;
1054 }
1055
1056 static int r600_packet0_check(struct radeon_cs_parser *p,
1057                                 struct radeon_cs_packet *pkt,
1058                                 unsigned idx, unsigned reg)
1059 {
1060         int r;
1061
1062         switch (reg) {
1063         case AVIVO_D1MODE_VLINE_START_END:
1064                 r = r600_cs_packet_parse_vline(p);
1065                 if (r) {
1066                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1067                                         idx, reg);
1068                         return r;
1069                 }
1070                 break;
1071         default:
1072                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1073                        reg, idx);
1074                 return -EINVAL;
1075         }
1076         return 0;
1077 }
1078
1079 static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
1080                                 struct radeon_cs_packet *pkt)
1081 {
1082         unsigned reg, i;
1083         unsigned idx;
1084         int r;
1085
1086         idx = pkt->idx + 1;
1087         reg = pkt->reg;
1088         for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
1089                 r = r600_packet0_check(p, pkt, idx, reg);
1090                 if (r) {
1091                         return r;
1092                 }
1093         }
1094         return 0;
1095 }
1096
1097 /**
1098  * r600_cs_check_reg() - check if register is authorized or not
1099  * @parser: parser structure holding parsing context
1100  * @reg: register we are testing
1101  * @idx: index into the cs buffer
1102  *
1103  * This function will test against r600_reg_safe_bm and return 0
1104  * if register is safe. If register is not flag as safe this function
1105  * will test it against a list of register needind special handling.
1106  */
1107 static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1108 {
1109         struct r600_cs_track *track = (struct r600_cs_track *)p->track;
1110         struct radeon_cs_reloc *reloc;
1111         u32 m, i, tmp, *ib;
1112         int r;
1113
1114         i = (reg >> 7);
1115         if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1116                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1117                 return -EINVAL;
1118         }
1119         m = 1 << ((reg >> 2) & 31);
1120         if (!(r600_reg_safe_bm[i] & m))
1121                 return 0;
1122         ib = p->ib.ptr;
1123         switch (reg) {
1124         /* force following reg to 0 in an attempt to disable out buffer
1125          * which will need us to better understand how it works to perform
1126          * security check on it (Jerome)
1127          */
1128         case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
1129         case R_008C44_SQ_ESGS_RING_SIZE:
1130         case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
1131         case R_008C54_SQ_ESTMP_RING_SIZE:
1132         case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
1133         case R_008C74_SQ_FBUF_RING_SIZE:
1134         case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
1135         case R_008C5C_SQ_GSTMP_RING_SIZE:
1136         case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
1137         case R_008C4C_SQ_GSVS_RING_SIZE:
1138         case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
1139         case R_008C6C_SQ_PSTMP_RING_SIZE:
1140         case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
1141         case R_008C7C_SQ_REDUC_RING_SIZE:
1142         case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
1143         case R_008C64_SQ_VSTMP_RING_SIZE:
1144         case R_0288C8_SQ_GS_VERT_ITEMSIZE:
1145                 /* get value to populate the IB don't remove */
1146                 tmp =radeon_get_ib_value(p, idx);
1147                 ib[idx] = 0;
1148                 break;
1149         case SQ_CONFIG:
1150                 track->sq_config = radeon_get_ib_value(p, idx);
1151                 break;
1152         case R_028800_DB_DEPTH_CONTROL:
1153                 track->db_depth_control = radeon_get_ib_value(p, idx);
1154                 track->db_dirty = true;
1155                 break;
1156         case R_028010_DB_DEPTH_INFO:
1157                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1158                     r600_cs_packet_next_is_pkt3_nop(p)) {
1159                         r = r600_cs_packet_next_reloc(p, &reloc);
1160                         if (r) {
1161                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1162                                          "0x%04X\n", reg);
1163                                 return -EINVAL;
1164                         }
1165                         track->db_depth_info = radeon_get_ib_value(p, idx);
1166                         ib[idx] &= C_028010_ARRAY_MODE;
1167                         track->db_depth_info &= C_028010_ARRAY_MODE;
1168                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1169                                 ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1170                                 track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1171                         } else {
1172                                 ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1173                                 track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1174                         }
1175                 } else {
1176                         track->db_depth_info = radeon_get_ib_value(p, idx);
1177                 }
1178                 track->db_dirty = true;
1179                 break;
1180         case R_028004_DB_DEPTH_VIEW:
1181                 track->db_depth_view = radeon_get_ib_value(p, idx);
1182                 track->db_dirty = true;
1183                 break;
1184         case R_028000_DB_DEPTH_SIZE:
1185                 track->db_depth_size = radeon_get_ib_value(p, idx);
1186                 track->db_depth_size_idx = idx;
1187                 track->db_dirty = true;
1188                 break;
1189         case R_028AB0_VGT_STRMOUT_EN:
1190                 track->vgt_strmout_en = radeon_get_ib_value(p, idx);
1191                 track->streamout_dirty = true;
1192                 break;
1193         case R_028B20_VGT_STRMOUT_BUFFER_EN:
1194                 track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
1195                 track->streamout_dirty = true;
1196                 break;
1197         case VGT_STRMOUT_BUFFER_BASE_0:
1198         case VGT_STRMOUT_BUFFER_BASE_1:
1199         case VGT_STRMOUT_BUFFER_BASE_2:
1200         case VGT_STRMOUT_BUFFER_BASE_3:
1201                 r = r600_cs_packet_next_reloc(p, &reloc);
1202                 if (r) {
1203                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1204                                         "0x%04X\n", reg);
1205                         return -EINVAL;
1206                 }
1207                 tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1208                 track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1209                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1210                 track->vgt_strmout_bo[tmp] = reloc->robj;
1211                 track->vgt_strmout_bo_mc[tmp] = reloc->lobj.gpu_offset;
1212                 track->streamout_dirty = true;
1213                 break;
1214         case VGT_STRMOUT_BUFFER_SIZE_0:
1215         case VGT_STRMOUT_BUFFER_SIZE_1:
1216         case VGT_STRMOUT_BUFFER_SIZE_2:
1217         case VGT_STRMOUT_BUFFER_SIZE_3:
1218                 tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1219                 /* size in register is DWs, convert to bytes */
1220                 track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1221                 track->streamout_dirty = true;
1222                 break;
1223         case CP_COHER_BASE:
1224                 r = r600_cs_packet_next_reloc(p, &reloc);
1225                 if (r) {
1226                         dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1227                                         "0x%04X\n", reg);
1228                         return -EINVAL;
1229                 }
1230                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1231                 break;
1232         case R_028238_CB_TARGET_MASK:
1233                 track->cb_target_mask = radeon_get_ib_value(p, idx);
1234                 track->cb_dirty = true;
1235                 break;
1236         case R_02823C_CB_SHADER_MASK:
1237                 track->cb_shader_mask = radeon_get_ib_value(p, idx);
1238                 break;
1239         case R_028C04_PA_SC_AA_CONFIG:
1240                 tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
1241                 track->log_nsamples = tmp;
1242                 track->nsamples = 1 << tmp;
1243                 track->cb_dirty = true;
1244                 break;
1245         case R_028808_CB_COLOR_CONTROL:
1246                 tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
1247                 track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
1248                 track->cb_dirty = true;
1249                 break;
1250         case R_0280A0_CB_COLOR0_INFO:
1251         case R_0280A4_CB_COLOR1_INFO:
1252         case R_0280A8_CB_COLOR2_INFO:
1253         case R_0280AC_CB_COLOR3_INFO:
1254         case R_0280B0_CB_COLOR4_INFO:
1255         case R_0280B4_CB_COLOR5_INFO:
1256         case R_0280B8_CB_COLOR6_INFO:
1257         case R_0280BC_CB_COLOR7_INFO:
1258                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1259                      r600_cs_packet_next_is_pkt3_nop(p)) {
1260                         r = r600_cs_packet_next_reloc(p, &reloc);
1261                         if (r) {
1262                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1263                                 return -EINVAL;
1264                         }
1265                         tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1266                         track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1267                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1268                                 ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1269                                 track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1270                         } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
1271                                 ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1272                                 track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1273                         }
1274                 } else {
1275                         tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1276                         track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1277                 }
1278                 track->cb_dirty = true;
1279                 break;
1280         case R_028080_CB_COLOR0_VIEW:
1281         case R_028084_CB_COLOR1_VIEW:
1282         case R_028088_CB_COLOR2_VIEW:
1283         case R_02808C_CB_COLOR3_VIEW:
1284         case R_028090_CB_COLOR4_VIEW:
1285         case R_028094_CB_COLOR5_VIEW:
1286         case R_028098_CB_COLOR6_VIEW:
1287         case R_02809C_CB_COLOR7_VIEW:
1288                 tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
1289                 track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1290                 track->cb_dirty = true;
1291                 break;
1292         case R_028060_CB_COLOR0_SIZE:
1293         case R_028064_CB_COLOR1_SIZE:
1294         case R_028068_CB_COLOR2_SIZE:
1295         case R_02806C_CB_COLOR3_SIZE:
1296         case R_028070_CB_COLOR4_SIZE:
1297         case R_028074_CB_COLOR5_SIZE:
1298         case R_028078_CB_COLOR6_SIZE:
1299         case R_02807C_CB_COLOR7_SIZE:
1300                 tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1301                 track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1302                 track->cb_color_size_idx[tmp] = idx;
1303                 track->cb_dirty = true;
1304                 break;
1305                 /* This register were added late, there is userspace
1306                  * which does provide relocation for those but set
1307                  * 0 offset. In order to avoid breaking old userspace
1308                  * we detect this and set address to point to last
1309                  * CB_COLOR0_BASE, note that if userspace doesn't set
1310                  * CB_COLOR0_BASE before this register we will report
1311                  * error. Old userspace always set CB_COLOR0_BASE
1312                  * before any of this.
1313                  */
1314         case R_0280E0_CB_COLOR0_FRAG:
1315         case R_0280E4_CB_COLOR1_FRAG:
1316         case R_0280E8_CB_COLOR2_FRAG:
1317         case R_0280EC_CB_COLOR3_FRAG:
1318         case R_0280F0_CB_COLOR4_FRAG:
1319         case R_0280F4_CB_COLOR5_FRAG:
1320         case R_0280F8_CB_COLOR6_FRAG:
1321         case R_0280FC_CB_COLOR7_FRAG:
1322                 tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1323                 if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1324                         if (!track->cb_color_base_last[tmp]) {
1325                                 dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1326                                 return -EINVAL;
1327                         }
1328                         track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
1329                         track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
1330                         ib[idx] = track->cb_color_base_last[tmp];
1331                 } else {
1332                         r = r600_cs_packet_next_reloc(p, &reloc);
1333                         if (r) {
1334                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1335                                 return -EINVAL;
1336                         }
1337                         track->cb_color_frag_bo[tmp] = reloc->robj;
1338                         track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
1339                         ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1340                 }
1341                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1342                         track->cb_dirty = true;
1343                 }
1344                 break;
1345         case R_0280C0_CB_COLOR0_TILE:
1346         case R_0280C4_CB_COLOR1_TILE:
1347         case R_0280C8_CB_COLOR2_TILE:
1348         case R_0280CC_CB_COLOR3_TILE:
1349         case R_0280D0_CB_COLOR4_TILE:
1350         case R_0280D4_CB_COLOR5_TILE:
1351         case R_0280D8_CB_COLOR6_TILE:
1352         case R_0280DC_CB_COLOR7_TILE:
1353                 tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1354                 if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1355                         if (!track->cb_color_base_last[tmp]) {
1356                                 dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1357                                 return -EINVAL;
1358                         }
1359                         track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
1360                         track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
1361                         ib[idx] = track->cb_color_base_last[tmp];
1362                 } else {
1363                         r = r600_cs_packet_next_reloc(p, &reloc);
1364                         if (r) {
1365                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1366                                 return -EINVAL;
1367                         }
1368                         track->cb_color_tile_bo[tmp] = reloc->robj;
1369                         track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
1370                         ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1371                 }
1372                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1373                         track->cb_dirty = true;
1374                 }
1375                 break;
1376         case R_028100_CB_COLOR0_MASK:
1377         case R_028104_CB_COLOR1_MASK:
1378         case R_028108_CB_COLOR2_MASK:
1379         case R_02810C_CB_COLOR3_MASK:
1380         case R_028110_CB_COLOR4_MASK:
1381         case R_028114_CB_COLOR5_MASK:
1382         case R_028118_CB_COLOR6_MASK:
1383         case R_02811C_CB_COLOR7_MASK:
1384                 tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
1385                 track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
1386                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1387                         track->cb_dirty = true;
1388                 }
1389                 break;
1390         case CB_COLOR0_BASE:
1391         case CB_COLOR1_BASE:
1392         case CB_COLOR2_BASE:
1393         case CB_COLOR3_BASE:
1394         case CB_COLOR4_BASE:
1395         case CB_COLOR5_BASE:
1396         case CB_COLOR6_BASE:
1397         case CB_COLOR7_BASE:
1398                 r = r600_cs_packet_next_reloc(p, &reloc);
1399                 if (r) {
1400                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1401                                         "0x%04X\n", reg);
1402                         return -EINVAL;
1403                 }
1404                 tmp = (reg - CB_COLOR0_BASE) / 4;
1405                 track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1406                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1407                 track->cb_color_base_last[tmp] = ib[idx];
1408                 track->cb_color_bo[tmp] = reloc->robj;
1409                 track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset;
1410                 track->cb_dirty = true;
1411                 break;
1412         case DB_DEPTH_BASE:
1413                 r = r600_cs_packet_next_reloc(p, &reloc);
1414                 if (r) {
1415                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1416                                         "0x%04X\n", reg);
1417                         return -EINVAL;
1418                 }
1419                 track->db_offset = radeon_get_ib_value(p, idx) << 8;
1420                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1421                 track->db_bo = reloc->robj;
1422                 track->db_bo_mc = reloc->lobj.gpu_offset;
1423                 track->db_dirty = true;
1424                 break;
1425         case DB_HTILE_DATA_BASE:
1426                 r = r600_cs_packet_next_reloc(p, &reloc);
1427                 if (r) {
1428                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1429                                         "0x%04X\n", reg);
1430                         return -EINVAL;
1431                 }
1432                 track->htile_offset = radeon_get_ib_value(p, idx) << 8;
1433                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1434                 track->htile_bo = reloc->robj;
1435                 track->db_dirty = true;
1436                 break;
1437         case DB_HTILE_SURFACE:
1438                 track->htile_surface = radeon_get_ib_value(p, idx);
1439                 /* force 8x8 htile width and height */
1440                 ib[idx] |= 3;
1441                 track->db_dirty = true;
1442                 break;
1443         case SQ_PGM_START_FS:
1444         case SQ_PGM_START_ES:
1445         case SQ_PGM_START_VS:
1446         case SQ_PGM_START_GS:
1447         case SQ_PGM_START_PS:
1448         case SQ_ALU_CONST_CACHE_GS_0:
1449         case SQ_ALU_CONST_CACHE_GS_1:
1450         case SQ_ALU_CONST_CACHE_GS_2:
1451         case SQ_ALU_CONST_CACHE_GS_3:
1452         case SQ_ALU_CONST_CACHE_GS_4:
1453         case SQ_ALU_CONST_CACHE_GS_5:
1454         case SQ_ALU_CONST_CACHE_GS_6:
1455         case SQ_ALU_CONST_CACHE_GS_7:
1456         case SQ_ALU_CONST_CACHE_GS_8:
1457         case SQ_ALU_CONST_CACHE_GS_9:
1458         case SQ_ALU_CONST_CACHE_GS_10:
1459         case SQ_ALU_CONST_CACHE_GS_11:
1460         case SQ_ALU_CONST_CACHE_GS_12:
1461         case SQ_ALU_CONST_CACHE_GS_13:
1462         case SQ_ALU_CONST_CACHE_GS_14:
1463         case SQ_ALU_CONST_CACHE_GS_15:
1464         case SQ_ALU_CONST_CACHE_PS_0:
1465         case SQ_ALU_CONST_CACHE_PS_1:
1466         case SQ_ALU_CONST_CACHE_PS_2:
1467         case SQ_ALU_CONST_CACHE_PS_3:
1468         case SQ_ALU_CONST_CACHE_PS_4:
1469         case SQ_ALU_CONST_CACHE_PS_5:
1470         case SQ_ALU_CONST_CACHE_PS_6:
1471         case SQ_ALU_CONST_CACHE_PS_7:
1472         case SQ_ALU_CONST_CACHE_PS_8:
1473         case SQ_ALU_CONST_CACHE_PS_9:
1474         case SQ_ALU_CONST_CACHE_PS_10:
1475         case SQ_ALU_CONST_CACHE_PS_11:
1476         case SQ_ALU_CONST_CACHE_PS_12:
1477         case SQ_ALU_CONST_CACHE_PS_13:
1478         case SQ_ALU_CONST_CACHE_PS_14:
1479         case SQ_ALU_CONST_CACHE_PS_15:
1480         case SQ_ALU_CONST_CACHE_VS_0:
1481         case SQ_ALU_CONST_CACHE_VS_1:
1482         case SQ_ALU_CONST_CACHE_VS_2:
1483         case SQ_ALU_CONST_CACHE_VS_3:
1484         case SQ_ALU_CONST_CACHE_VS_4:
1485         case SQ_ALU_CONST_CACHE_VS_5:
1486         case SQ_ALU_CONST_CACHE_VS_6:
1487         case SQ_ALU_CONST_CACHE_VS_7:
1488         case SQ_ALU_CONST_CACHE_VS_8:
1489         case SQ_ALU_CONST_CACHE_VS_9:
1490         case SQ_ALU_CONST_CACHE_VS_10:
1491         case SQ_ALU_CONST_CACHE_VS_11:
1492         case SQ_ALU_CONST_CACHE_VS_12:
1493         case SQ_ALU_CONST_CACHE_VS_13:
1494         case SQ_ALU_CONST_CACHE_VS_14:
1495         case SQ_ALU_CONST_CACHE_VS_15:
1496                 r = r600_cs_packet_next_reloc(p, &reloc);
1497                 if (r) {
1498                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1499                                         "0x%04X\n", reg);
1500                         return -EINVAL;
1501                 }
1502                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1503                 break;
1504         case SX_MEMORY_EXPORT_BASE:
1505                 r = r600_cs_packet_next_reloc(p, &reloc);
1506                 if (r) {
1507                         dev_warn(p->dev, "bad SET_CONFIG_REG "
1508                                         "0x%04X\n", reg);
1509                         return -EINVAL;
1510                 }
1511                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1512                 break;
1513         case SX_MISC:
1514                 track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1515                 break;
1516         default:
1517                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1518                 return -EINVAL;
1519         }
1520         return 0;
1521 }
1522
1523 unsigned r600_mip_minify(unsigned size, unsigned level)
1524 {
1525         unsigned val;
1526
1527         val = max(1U, size >> level);
1528         if (level > 0)
1529                 val = roundup_pow_of_two(val);
1530         return val;
1531 }
1532
1533 static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1534                               unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
1535                               unsigned block_align, unsigned height_align, unsigned base_align,
1536                               unsigned *l0_size, unsigned *mipmap_size)
1537 {
1538         unsigned offset, i, level;
1539         unsigned width, height, depth, size;
1540         unsigned blocksize;
1541         unsigned nbx, nby;
1542         unsigned nlevels = llevel - blevel + 1;
1543
1544         *l0_size = -1;
1545         blocksize = r600_fmt_get_blocksize(format);
1546
1547         w0 = r600_mip_minify(w0, 0);
1548         h0 = r600_mip_minify(h0, 0);
1549         d0 = r600_mip_minify(d0, 0);
1550         for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
1551                 width = r600_mip_minify(w0, i);
1552                 nbx = r600_fmt_get_nblocksx(format, width);
1553
1554                 nbx = round_up(nbx, block_align);
1555
1556                 height = r600_mip_minify(h0, i);
1557                 nby = r600_fmt_get_nblocksy(format, height);
1558                 nby = round_up(nby, height_align);
1559
1560                 depth = r600_mip_minify(d0, i);
1561
1562                 size = nbx * nby * blocksize * nsamples;
1563                 if (nfaces)
1564                         size *= nfaces;
1565                 else
1566                         size *= depth;
1567
1568                 if (i == 0)
1569                         *l0_size = size;
1570
1571                 if (i == 0 || i == 1)
1572                         offset = round_up(offset, base_align);
1573
1574                 offset += size;
1575         }
1576         *mipmap_size = offset;
1577         if (llevel == 0)
1578                 *mipmap_size = *l0_size;
1579         if (!blevel)
1580                 *mipmap_size -= *l0_size;
1581 }
1582
1583 /**
1584  * r600_check_texture_resource() - check if register is authorized or not
1585  * @p: parser structure holding parsing context
1586  * @idx: index into the cs buffer
1587  * @texture: texture's bo structure
1588  * @mipmap: mipmap's bo structure
1589  *
1590  * This function will check that the resource has valid field and that
1591  * the texture and mipmap bo object are big enough to cover this resource.
1592  */
1593 static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1594                                               struct radeon_bo *texture,
1595                                               struct radeon_bo *mipmap,
1596                                               u64 base_offset,
1597                                               u64 mip_offset,
1598                                               u32 tiling_flags)
1599 {
1600         struct r600_cs_track *track = p->track;
1601         u32 dim, nfaces, llevel, blevel, w0, h0, d0;
1602         u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
1603         u32 height_align, pitch, pitch_align, depth_align;
1604         u32 barray, larray;
1605         u64 base_align;
1606         struct array_mode_checker array_check;
1607         u32 format;
1608         bool is_array;
1609
1610         /* on legacy kernel we don't perform advanced check */
1611         if (p->rdev == NULL)
1612                 return 0;
1613
1614         /* convert to bytes */
1615         base_offset <<= 8;
1616         mip_offset <<= 8;
1617
1618         word0 = radeon_get_ib_value(p, idx + 0);
1619         if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1620                 if (tiling_flags & RADEON_TILING_MACRO)
1621                         word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1622                 else if (tiling_flags & RADEON_TILING_MICRO)
1623                         word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1624         }
1625         word1 = radeon_get_ib_value(p, idx + 1);
1626         word2 = radeon_get_ib_value(p, idx + 2) << 8;
1627         word3 = radeon_get_ib_value(p, idx + 3) << 8;
1628         word4 = radeon_get_ib_value(p, idx + 4);
1629         word5 = radeon_get_ib_value(p, idx + 5);
1630         dim = G_038000_DIM(word0);
1631         w0 = G_038000_TEX_WIDTH(word0) + 1;
1632         pitch = (G_038000_PITCH(word0) + 1) * 8;
1633         h0 = G_038004_TEX_HEIGHT(word1) + 1;
1634         d0 = G_038004_TEX_DEPTH(word1);
1635         format = G_038004_DATA_FORMAT(word1);
1636         blevel = G_038010_BASE_LEVEL(word4);
1637         llevel = G_038014_LAST_LEVEL(word5);
1638         /* pitch in texels */
1639         array_check.array_mode = G_038000_TILE_MODE(word0);
1640         array_check.group_size = track->group_size;
1641         array_check.nbanks = track->nbanks;
1642         array_check.npipes = track->npipes;
1643         array_check.nsamples = 1;
1644         array_check.blocksize = r600_fmt_get_blocksize(format);
1645         nfaces = 1;
1646         is_array = false;
1647         switch (dim) {
1648         case V_038000_SQ_TEX_DIM_1D:
1649         case V_038000_SQ_TEX_DIM_2D:
1650         case V_038000_SQ_TEX_DIM_3D:
1651                 break;
1652         case V_038000_SQ_TEX_DIM_CUBEMAP:
1653                 if (p->family >= CHIP_RV770)
1654                         nfaces = 8;
1655                 else
1656                         nfaces = 6;
1657                 break;
1658         case V_038000_SQ_TEX_DIM_1D_ARRAY:
1659         case V_038000_SQ_TEX_DIM_2D_ARRAY:
1660                 is_array = true;
1661                 break;
1662         case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
1663                 is_array = true;
1664                 /* fall through */
1665         case V_038000_SQ_TEX_DIM_2D_MSAA:
1666                 array_check.nsamples = 1 << llevel;
1667                 llevel = 0;
1668                 break;
1669         default:
1670                 dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1671                 return -EINVAL;
1672         }
1673         if (!r600_fmt_is_valid_texture(format, p->family)) {
1674                 dev_warn(p->dev, "%s:%d texture invalid format %d\n",
1675                          __func__, __LINE__, format);
1676                 return -EINVAL;
1677         }
1678
1679         if (r600_get_array_mode_alignment(&array_check,
1680                                           &pitch_align, &height_align, &depth_align, &base_align)) {
1681                 dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
1682                          __func__, __LINE__, G_038000_TILE_MODE(word0));
1683                 return -EINVAL;
1684         }
1685
1686         /* XXX check height as well... */
1687
1688         if (!IS_ALIGNED(pitch, pitch_align)) {
1689                 dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1690                          __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1691                 return -EINVAL;
1692         }
1693         if (!IS_ALIGNED(base_offset, base_align)) {
1694                 dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
1695                          __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
1696                 return -EINVAL;
1697         }
1698         if (!IS_ALIGNED(mip_offset, base_align)) {
1699                 dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
1700                          __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
1701                 return -EINVAL;
1702         }
1703
1704         if (blevel > llevel) {
1705                 dev_warn(p->dev, "texture blevel %d > llevel %d\n",
1706                          blevel, llevel);
1707         }
1708         if (is_array) {
1709                 barray = G_038014_BASE_ARRAY(word5);
1710                 larray = G_038014_LAST_ARRAY(word5);
1711
1712                 nfaces = larray - barray + 1;
1713         }
1714         r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
1715                           pitch_align, height_align, base_align,
1716                           &l0_size, &mipmap_size);
1717         /* using get ib will give us the offset into the texture bo */
1718         if ((l0_size + word2) > radeon_bo_size(texture)) {
1719                 dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
1720                          w0, h0, pitch_align, height_align,
1721                          array_check.array_mode, format, word2,
1722                          l0_size, radeon_bo_size(texture));
1723                 dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align);
1724                 return -EINVAL;
1725         }
1726         /* using get ib will give us the offset into the mipmap bo */
1727         if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1728                 /*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1729                   w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1730         }
1731         return 0;
1732 }
1733
1734 static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1735 {
1736         u32 m, i;
1737
1738         i = (reg >> 7);
1739         if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1740                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1741                 return false;
1742         }
1743         m = 1 << ((reg >> 2) & 31);
1744         if (!(r600_reg_safe_bm[i] & m))
1745                 return true;
1746         dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1747         return false;
1748 }
1749
1750 static int r600_packet3_check(struct radeon_cs_parser *p,
1751                                 struct radeon_cs_packet *pkt)
1752 {
1753         struct radeon_cs_reloc *reloc;
1754         struct r600_cs_track *track;
1755         volatile u32 *ib;
1756         unsigned idx;
1757         unsigned i;
1758         unsigned start_reg, end_reg, reg;
1759         int r;
1760         u32 idx_value;
1761
1762         track = (struct r600_cs_track *)p->track;
1763         ib = p->ib.ptr;
1764         idx = pkt->idx + 1;
1765         idx_value = radeon_get_ib_value(p, idx);
1766
1767         switch (pkt->opcode) {
1768         case PACKET3_SET_PREDICATION:
1769         {
1770                 int pred_op;
1771                 int tmp;
1772                 uint64_t offset;
1773
1774                 if (pkt->count != 1) {
1775                         DRM_ERROR("bad SET PREDICATION\n");
1776                         return -EINVAL;
1777                 }
1778
1779                 tmp = radeon_get_ib_value(p, idx + 1);
1780                 pred_op = (tmp >> 16) & 0x7;
1781
1782                 /* for the clear predicate operation */
1783                 if (pred_op == 0)
1784                         return 0;
1785
1786                 if (pred_op > 2) {
1787                         DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1788                         return -EINVAL;
1789                 }
1790
1791                 r = r600_cs_packet_next_reloc(p, &reloc);
1792                 if (r) {
1793                         DRM_ERROR("bad SET PREDICATION\n");
1794                         return -EINVAL;
1795                 }
1796
1797                 offset = reloc->lobj.gpu_offset +
1798                          (idx_value & 0xfffffff0) +
1799                          ((u64)(tmp & 0xff) << 32);
1800
1801                 ib[idx + 0] = offset;
1802                 ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1803         }
1804         break;
1805
1806         case PACKET3_START_3D_CMDBUF:
1807                 if (p->family >= CHIP_RV770 || pkt->count) {
1808                         DRM_ERROR("bad START_3D\n");
1809                         return -EINVAL;
1810                 }
1811                 break;
1812         case PACKET3_CONTEXT_CONTROL:
1813                 if (pkt->count != 1) {
1814                         DRM_ERROR("bad CONTEXT_CONTROL\n");
1815                         return -EINVAL;
1816                 }
1817                 break;
1818         case PACKET3_INDEX_TYPE:
1819         case PACKET3_NUM_INSTANCES:
1820                 if (pkt->count) {
1821                         DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
1822                         return -EINVAL;
1823                 }
1824                 break;
1825         case PACKET3_DRAW_INDEX:
1826         {
1827                 uint64_t offset;
1828                 if (pkt->count != 3) {
1829                         DRM_ERROR("bad DRAW_INDEX\n");
1830                         return -EINVAL;
1831                 }
1832                 r = r600_cs_packet_next_reloc(p, &reloc);
1833                 if (r) {
1834                         DRM_ERROR("bad DRAW_INDEX\n");
1835                         return -EINVAL;
1836                 }
1837
1838                 offset = reloc->lobj.gpu_offset +
1839                          idx_value +
1840                          ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1841
1842                 ib[idx+0] = offset;
1843                 ib[idx+1] = upper_32_bits(offset) & 0xff;
1844
1845                 r = r600_cs_track_check(p);
1846                 if (r) {
1847                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1848                         return r;
1849                 }
1850                 break;
1851         }
1852         case PACKET3_DRAW_INDEX_AUTO:
1853                 if (pkt->count != 1) {
1854                         DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1855                         return -EINVAL;
1856                 }
1857                 r = r600_cs_track_check(p);
1858                 if (r) {
1859                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1860                         return r;
1861                 }
1862                 break;
1863         case PACKET3_DRAW_INDEX_IMMD_BE:
1864         case PACKET3_DRAW_INDEX_IMMD:
1865                 if (pkt->count < 2) {
1866                         DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1867                         return -EINVAL;
1868                 }
1869                 r = r600_cs_track_check(p);
1870                 if (r) {
1871                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1872                         return r;
1873                 }
1874                 break;
1875         case PACKET3_WAIT_REG_MEM:
1876                 if (pkt->count != 5) {
1877                         DRM_ERROR("bad WAIT_REG_MEM\n");
1878                         return -EINVAL;
1879                 }
1880                 /* bit 4 is reg (0) or mem (1) */
1881                 if (idx_value & 0x10) {
1882                         uint64_t offset;
1883
1884                         r = r600_cs_packet_next_reloc(p, &reloc);
1885                         if (r) {
1886                                 DRM_ERROR("bad WAIT_REG_MEM\n");
1887                                 return -EINVAL;
1888                         }
1889
1890                         offset = reloc->lobj.gpu_offset +
1891                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
1892                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1893
1894                         ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
1895                         ib[idx+2] = upper_32_bits(offset) & 0xff;
1896                 }
1897                 break;
1898         case PACKET3_CP_DMA:
1899         {
1900                 u32 command, size;
1901                 u64 offset, tmp;
1902                 if (pkt->count != 4) {
1903                         DRM_ERROR("bad CP DMA\n");
1904                         return -EINVAL;
1905                 }
1906                 command = radeon_get_ib_value(p, idx+4);
1907                 size = command & 0x1fffff;
1908                 if (command & PACKET3_CP_DMA_CMD_SAS) {
1909                         /* src address space is register */
1910                         DRM_ERROR("CP DMA SAS not supported\n");
1911                         return -EINVAL;
1912                 } else {
1913                         if (command & PACKET3_CP_DMA_CMD_SAIC) {
1914                                 DRM_ERROR("CP DMA SAIC only supported for registers\n");
1915                                 return -EINVAL;
1916                         }
1917                         /* src address space is memory */
1918                         r = r600_cs_packet_next_reloc(p, &reloc);
1919                         if (r) {
1920                                 DRM_ERROR("bad CP DMA SRC\n");
1921                                 return -EINVAL;
1922                         }
1923
1924                         tmp = radeon_get_ib_value(p, idx) +
1925                                 ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1926
1927                         offset = reloc->lobj.gpu_offset + tmp;
1928
1929                         if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1930                                 dev_warn(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
1931                                          tmp + size, radeon_bo_size(reloc->robj));
1932                                 return -EINVAL;
1933                         }
1934
1935                         ib[idx] = offset;
1936                         ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1937                 }
1938                 if (command & PACKET3_CP_DMA_CMD_DAS) {
1939                         /* dst address space is register */
1940                         DRM_ERROR("CP DMA DAS not supported\n");
1941                         return -EINVAL;
1942                 } else {
1943                         /* dst address space is memory */
1944                         if (command & PACKET3_CP_DMA_CMD_DAIC) {
1945                                 DRM_ERROR("CP DMA DAIC only supported for registers\n");
1946                                 return -EINVAL;
1947                         }
1948                         r = r600_cs_packet_next_reloc(p, &reloc);
1949                         if (r) {
1950                                 DRM_ERROR("bad CP DMA DST\n");
1951                                 return -EINVAL;
1952                         }
1953
1954                         tmp = radeon_get_ib_value(p, idx+2) +
1955                                 ((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
1956
1957                         offset = reloc->lobj.gpu_offset + tmp;
1958
1959                         if ((tmp + size) > radeon_bo_size(reloc->robj)) {
1960                                 dev_warn(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
1961                                          tmp + size, radeon_bo_size(reloc->robj));
1962                                 return -EINVAL;
1963                         }
1964
1965                         ib[idx+2] = offset;
1966                         ib[idx+3] = upper_32_bits(offset) & 0xff;
1967                 }
1968                 break;
1969         }
1970         case PACKET3_SURFACE_SYNC:
1971                 if (pkt->count != 3) {
1972                         DRM_ERROR("bad SURFACE_SYNC\n");
1973                         return -EINVAL;
1974                 }
1975                 /* 0xffffffff/0x0 is flush all cache flag */
1976                 if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1977                     radeon_get_ib_value(p, idx + 2) != 0) {
1978                         r = r600_cs_packet_next_reloc(p, &reloc);
1979                         if (r) {
1980                                 DRM_ERROR("bad SURFACE_SYNC\n");
1981                                 return -EINVAL;
1982                         }
1983                         ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1984                 }
1985                 break;
1986         case PACKET3_EVENT_WRITE:
1987                 if (pkt->count != 2 && pkt->count != 0) {
1988                         DRM_ERROR("bad EVENT_WRITE\n");
1989                         return -EINVAL;
1990                 }
1991                 if (pkt->count) {
1992                         uint64_t offset;
1993
1994                         r = r600_cs_packet_next_reloc(p, &reloc);
1995                         if (r) {
1996                                 DRM_ERROR("bad EVENT_WRITE\n");
1997                                 return -EINVAL;
1998                         }
1999                         offset = reloc->lobj.gpu_offset +
2000                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
2001                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2002
2003                         ib[idx+1] = offset & 0xfffffff8;
2004                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2005                 }
2006                 break;
2007         case PACKET3_EVENT_WRITE_EOP:
2008         {
2009                 uint64_t offset;
2010
2011                 if (pkt->count != 4) {
2012                         DRM_ERROR("bad EVENT_WRITE_EOP\n");
2013                         return -EINVAL;
2014                 }
2015                 r = r600_cs_packet_next_reloc(p, &reloc);
2016                 if (r) {
2017                         DRM_ERROR("bad EVENT_WRITE\n");
2018                         return -EINVAL;
2019                 }
2020
2021                 offset = reloc->lobj.gpu_offset +
2022                          (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
2023                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
2024
2025                 ib[idx+1] = offset & 0xfffffffc;
2026                 ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
2027                 break;
2028         }
2029         case PACKET3_SET_CONFIG_REG:
2030                 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
2031                 end_reg = 4 * pkt->count + start_reg - 4;
2032                 if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
2033                     (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
2034                     (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
2035                         DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
2036                         return -EINVAL;
2037                 }
2038                 for (i = 0; i < pkt->count; i++) {
2039                         reg = start_reg + (4 * i);
2040                         r = r600_cs_check_reg(p, reg, idx+1+i);
2041                         if (r)
2042                                 return r;
2043                 }
2044                 break;
2045         case PACKET3_SET_CONTEXT_REG:
2046                 start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
2047                 end_reg = 4 * pkt->count + start_reg - 4;
2048                 if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
2049                     (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
2050                     (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
2051                         DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
2052                         return -EINVAL;
2053                 }
2054                 for (i = 0; i < pkt->count; i++) {
2055                         reg = start_reg + (4 * i);
2056                         r = r600_cs_check_reg(p, reg, idx+1+i);
2057                         if (r)
2058                                 return r;
2059                 }
2060                 break;
2061         case PACKET3_SET_RESOURCE:
2062                 if (pkt->count % 7) {
2063                         DRM_ERROR("bad SET_RESOURCE\n");
2064                         return -EINVAL;
2065                 }
2066                 start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
2067                 end_reg = 4 * pkt->count + start_reg - 4;
2068                 if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
2069                     (start_reg >= PACKET3_SET_RESOURCE_END) ||
2070                     (end_reg >= PACKET3_SET_RESOURCE_END)) {
2071                         DRM_ERROR("bad SET_RESOURCE\n");
2072                         return -EINVAL;
2073                 }
2074                 for (i = 0; i < (pkt->count / 7); i++) {
2075                         struct radeon_bo *texture, *mipmap;
2076                         u32 size, offset, base_offset, mip_offset;
2077
2078                         switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
2079                         case SQ_TEX_VTX_VALID_TEXTURE:
2080                                 /* tex base */
2081                                 r = r600_cs_packet_next_reloc(p, &reloc);
2082                                 if (r) {
2083                                         DRM_ERROR("bad SET_RESOURCE\n");
2084                                         return -EINVAL;
2085                                 }
2086                                 base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2087                                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
2088                                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
2089                                                 ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
2090                                         else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
2091                                                 ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
2092                                 }
2093                                 texture = reloc->robj;
2094                                 /* tex mip base */
2095                                 r = r600_cs_packet_next_reloc(p, &reloc);
2096                                 if (r) {
2097                                         DRM_ERROR("bad SET_RESOURCE\n");
2098                                         return -EINVAL;
2099                                 }
2100                                 mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2101                                 mipmap = reloc->robj;
2102                                 r = r600_check_texture_resource(p,  idx+(i*7)+1,
2103                                                                 texture, mipmap,
2104                                                                 base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
2105                                                                 mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
2106                                                                 reloc->lobj.tiling_flags);
2107                                 if (r)
2108                                         return r;
2109                                 ib[idx+1+(i*7)+2] += base_offset;
2110                                 ib[idx+1+(i*7)+3] += mip_offset;
2111                                 break;
2112                         case SQ_TEX_VTX_VALID_BUFFER:
2113                         {
2114                                 uint64_t offset64;
2115                                 /* vtx base */
2116                                 r = r600_cs_packet_next_reloc(p, &reloc);
2117                                 if (r) {
2118                                         DRM_ERROR("bad SET_RESOURCE\n");
2119                                         return -EINVAL;
2120                                 }
2121                                 offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
2122                                 size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
2123                                 if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2124                                         /* force size to size of the buffer */
2125                                         dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
2126                                                  size + offset, radeon_bo_size(reloc->robj));
2127                                         ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
2128                                 }
2129
2130                                 offset64 = reloc->lobj.gpu_offset + offset;
2131                                 ib[idx+1+(i*8)+0] = offset64;
2132                                 ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2133                                                     (upper_32_bits(offset64) & 0xff);
2134                                 break;
2135                         }
2136                         case SQ_TEX_VTX_INVALID_TEXTURE:
2137                         case SQ_TEX_VTX_INVALID_BUFFER:
2138                         default:
2139                                 DRM_ERROR("bad SET_RESOURCE\n");
2140                                 return -EINVAL;
2141                         }
2142                 }
2143                 break;
2144         case PACKET3_SET_ALU_CONST:
2145                 if (track->sq_config & DX9_CONSTS) {
2146                         start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
2147                         end_reg = 4 * pkt->count + start_reg - 4;
2148                         if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
2149                             (start_reg >= PACKET3_SET_ALU_CONST_END) ||
2150                             (end_reg >= PACKET3_SET_ALU_CONST_END)) {
2151                                 DRM_ERROR("bad SET_ALU_CONST\n");
2152                                 return -EINVAL;
2153                         }
2154                 }
2155                 break;
2156         case PACKET3_SET_BOOL_CONST:
2157                 start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
2158                 end_reg = 4 * pkt->count + start_reg - 4;
2159                 if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
2160                     (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2161                     (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2162                         DRM_ERROR("bad SET_BOOL_CONST\n");
2163                         return -EINVAL;
2164                 }
2165                 break;
2166         case PACKET3_SET_LOOP_CONST:
2167                 start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
2168                 end_reg = 4 * pkt->count + start_reg - 4;
2169                 if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
2170                     (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2171                     (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2172                         DRM_ERROR("bad SET_LOOP_CONST\n");
2173                         return -EINVAL;
2174                 }
2175                 break;
2176         case PACKET3_SET_CTL_CONST:
2177                 start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
2178                 end_reg = 4 * pkt->count + start_reg - 4;
2179                 if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
2180                     (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2181                     (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2182                         DRM_ERROR("bad SET_CTL_CONST\n");
2183                         return -EINVAL;
2184                 }
2185                 break;
2186         case PACKET3_SET_SAMPLER:
2187                 if (pkt->count % 3) {
2188                         DRM_ERROR("bad SET_SAMPLER\n");
2189                         return -EINVAL;
2190                 }
2191                 start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
2192                 end_reg = 4 * pkt->count + start_reg - 4;
2193                 if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
2194                     (start_reg >= PACKET3_SET_SAMPLER_END) ||
2195                     (end_reg >= PACKET3_SET_SAMPLER_END)) {
2196                         DRM_ERROR("bad SET_SAMPLER\n");
2197                         return -EINVAL;
2198                 }
2199                 break;
2200         case PACKET3_STRMOUT_BASE_UPDATE:
2201                 /* RS780 and RS880 also need this */
2202                 if (p->family < CHIP_RS780) {
2203                         DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
2204                         return -EINVAL;
2205                 }
2206                 if (pkt->count != 1) {
2207                         DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
2208                         return -EINVAL;
2209                 }
2210                 if (idx_value > 3) {
2211                         DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
2212                         return -EINVAL;
2213                 }
2214                 {
2215                         u64 offset;
2216
2217                         r = r600_cs_packet_next_reloc(p, &reloc);
2218                         if (r) {
2219                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
2220                                 return -EINVAL;
2221                         }
2222
2223                         if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
2224                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
2225                                 return -EINVAL;
2226                         }
2227
2228                         offset = radeon_get_ib_value(p, idx+1) << 8;
2229                         if (offset != track->vgt_strmout_bo_offset[idx_value]) {
2230                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
2231                                           offset, track->vgt_strmout_bo_offset[idx_value]);
2232                                 return -EINVAL;
2233                         }
2234
2235                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2236                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
2237                                           offset + 4, radeon_bo_size(reloc->robj));
2238                                 return -EINVAL;
2239                         }
2240                         ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2241                 }
2242                 break;
2243         case PACKET3_SURFACE_BASE_UPDATE:
2244                 if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
2245                         DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2246                         return -EINVAL;
2247                 }
2248                 if (pkt->count) {
2249                         DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2250                         return -EINVAL;
2251                 }
2252                 break;
2253         case PACKET3_STRMOUT_BUFFER_UPDATE:
2254                 if (pkt->count != 4) {
2255                         DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2256                         return -EINVAL;
2257                 }
2258                 /* Updating memory at DST_ADDRESS. */
2259                 if (idx_value & 0x1) {
2260                         u64 offset;
2261                         r = r600_cs_packet_next_reloc(p, &reloc);
2262                         if (r) {
2263                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2264                                 return -EINVAL;
2265                         }
2266                         offset = radeon_get_ib_value(p, idx+1);
2267                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2268                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2269                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2270                                           offset + 4, radeon_bo_size(reloc->robj));
2271                                 return -EINVAL;
2272                         }
2273                         offset += reloc->lobj.gpu_offset;
2274                         ib[idx+1] = offset;
2275                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2276                 }
2277                 /* Reading data from SRC_ADDRESS. */
2278                 if (((idx_value >> 1) & 0x3) == 2) {
2279                         u64 offset;
2280                         r = r600_cs_packet_next_reloc(p, &reloc);
2281                         if (r) {
2282                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2283                                 return -EINVAL;
2284                         }
2285                         offset = radeon_get_ib_value(p, idx+3);
2286                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2287                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2288                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2289                                           offset + 4, radeon_bo_size(reloc->robj));
2290                                 return -EINVAL;
2291                         }
2292                         offset += reloc->lobj.gpu_offset;
2293                         ib[idx+3] = offset;
2294                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2295                 }
2296                 break;
2297         case PACKET3_COPY_DW:
2298                 if (pkt->count != 4) {
2299                         DRM_ERROR("bad COPY_DW (invalid count)\n");
2300                         return -EINVAL;
2301                 }
2302                 if (idx_value & 0x1) {
2303                         u64 offset;
2304                         /* SRC is memory. */
2305                         r = r600_cs_packet_next_reloc(p, &reloc);
2306                         if (r) {
2307                                 DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2308                                 return -EINVAL;
2309                         }
2310                         offset = radeon_get_ib_value(p, idx+1);
2311                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2312                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2313                                 DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2314                                           offset + 4, radeon_bo_size(reloc->robj));
2315                                 return -EINVAL;
2316                         }
2317                         offset += reloc->lobj.gpu_offset;
2318                         ib[idx+1] = offset;
2319                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2320                 } else {
2321                         /* SRC is a reg. */
2322                         reg = radeon_get_ib_value(p, idx+1) << 2;
2323                         if (!r600_is_safe_reg(p, reg, idx+1))
2324                                 return -EINVAL;
2325                 }
2326                 if (idx_value & 0x2) {
2327                         u64 offset;
2328                         /* DST is memory. */
2329                         r = r600_cs_packet_next_reloc(p, &reloc);
2330                         if (r) {
2331                                 DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2332                                 return -EINVAL;
2333                         }
2334                         offset = radeon_get_ib_value(p, idx+3);
2335                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2336                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2337                                 DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2338                                           offset + 4, radeon_bo_size(reloc->robj));
2339                                 return -EINVAL;
2340                         }
2341                         offset += reloc->lobj.gpu_offset;
2342                         ib[idx+3] = offset;
2343                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2344                 } else {
2345                         /* DST is a reg. */
2346                         reg = radeon_get_ib_value(p, idx+3) << 2;
2347                         if (!r600_is_safe_reg(p, reg, idx+3))
2348                                 return -EINVAL;
2349                 }
2350                 break;
2351         case PACKET3_NOP:
2352                 break;
2353         default:
2354                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2355                 return -EINVAL;
2356         }
2357         return 0;
2358 }
2359
2360 int r600_cs_parse(struct radeon_cs_parser *p)
2361 {
2362         struct radeon_cs_packet pkt;
2363         struct r600_cs_track *track;
2364         int r;
2365
2366         if (p->track == NULL) {
2367                 /* initialize tracker, we are in kms */
2368                 track = kzalloc(sizeof(*track), GFP_KERNEL);
2369                 if (track == NULL)
2370                         return -ENOMEM;
2371                 r600_cs_track_init(track);
2372                 if (p->rdev->family < CHIP_RV770) {
2373                         track->npipes = p->rdev->config.r600.tiling_npipes;
2374                         track->nbanks = p->rdev->config.r600.tiling_nbanks;
2375                         track->group_size = p->rdev->config.r600.tiling_group_size;
2376                 } else if (p->rdev->family <= CHIP_RV740) {
2377                         track->npipes = p->rdev->config.rv770.tiling_npipes;
2378                         track->nbanks = p->rdev->config.rv770.tiling_nbanks;
2379                         track->group_size = p->rdev->config.rv770.tiling_group_size;
2380                 }
2381                 p->track = track;
2382         }
2383         do {
2384                 r = r600_cs_packet_parse(p, &pkt, p->idx);
2385                 if (r) {
2386                         kfree(p->track);
2387                         p->track = NULL;
2388                         return r;
2389                 }
2390                 p->idx += pkt.count + 2;
2391                 switch (pkt.type) {
2392                 case PACKET_TYPE0:
2393                         r = r600_cs_parse_packet0(p, &pkt);
2394                         break;
2395                 case PACKET_TYPE2:
2396                         break;
2397                 case PACKET_TYPE3:
2398                         r = r600_packet3_check(p, &pkt);
2399                         break;
2400                 default:
2401                         DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2402                         kfree(p->track);
2403                         p->track = NULL;
2404                         return -EINVAL;
2405                 }
2406                 if (r) {
2407                         kfree(p->track);
2408                         p->track = NULL;
2409                         return r;
2410                 }
2411         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2412 #if 0
2413         for (r = 0; r < p->ib.length_dw; r++) {
2414                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2415                 mdelay(1);
2416         }
2417 #endif
2418         kfree(p->track);
2419         p->track = NULL;
2420         return 0;
2421 }
2422
2423 static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
2424 {
2425         if (p->chunk_relocs_idx == -1) {
2426                 return 0;
2427         }
2428         p->relocs = kzalloc(sizeof(struct radeon_cs_reloc), GFP_KERNEL);
2429         if (p->relocs == NULL) {
2430                 return -ENOMEM;
2431         }
2432         return 0;
2433 }
2434
2435 /**
2436  * cs_parser_fini() - clean parser states
2437  * @parser:     parser structure holding parsing context.
2438  * @error:      error number
2439  *
2440  * If error is set than unvalidate buffer, otherwise just free memory
2441  * used by parsing context.
2442  **/
2443 static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
2444 {
2445         unsigned i;
2446
2447         kfree(parser->relocs);
2448         for (i = 0; i < parser->nchunks; i++) {
2449                 kfree(parser->chunks[i].kdata);
2450                 kfree(parser->chunks[i].kpage[0]);
2451                 kfree(parser->chunks[i].kpage[1]);
2452         }
2453         kfree(parser->chunks);
2454         kfree(parser->chunks_array);
2455 }
2456
2457 int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
2458                         unsigned family, u32 *ib, int *l)
2459 {
2460         struct radeon_cs_parser parser;
2461         struct radeon_cs_chunk *ib_chunk;
2462         struct r600_cs_track *track;
2463         int r;
2464
2465         /* initialize tracker */
2466         track = kzalloc(sizeof(*track), GFP_KERNEL);
2467         if (track == NULL)
2468                 return -ENOMEM;
2469         r600_cs_track_init(track);
2470         r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
2471         /* initialize parser */
2472         memset(&parser, 0, sizeof(struct radeon_cs_parser));
2473         parser.filp = filp;
2474         parser.dev = &dev->pdev->dev;
2475         parser.rdev = NULL;
2476         parser.family = family;
2477         parser.track = track;
2478         parser.ib.ptr = ib;
2479         r = radeon_cs_parser_init(&parser, data);
2480         if (r) {
2481                 DRM_ERROR("Failed to initialize parser !\n");
2482                 r600_cs_parser_fini(&parser, r);
2483                 return r;
2484         }
2485         r = r600_cs_parser_relocs_legacy(&parser);
2486         if (r) {
2487                 DRM_ERROR("Failed to parse relocation !\n");
2488                 r600_cs_parser_fini(&parser, r);
2489                 return r;
2490         }
2491         /* Copy the packet into the IB, the parser will read from the
2492          * input memory (cached) and write to the IB (which can be
2493          * uncached). */
2494         ib_chunk = &parser.chunks[parser.chunk_ib_idx];
2495         parser.ib.length_dw = ib_chunk->length_dw;
2496         *l = parser.ib.length_dw;
2497         r = r600_cs_parse(&parser);
2498         if (r) {
2499                 DRM_ERROR("Invalid command stream !\n");
2500                 r600_cs_parser_fini(&parser, r);
2501                 return r;
2502         }
2503         r = radeon_cs_finish_pages(&parser);
2504         if (r) {
2505                 DRM_ERROR("Invalid command stream !\n");
2506                 r600_cs_parser_fini(&parser, r);
2507                 return r;
2508         }
2509         r600_cs_parser_fini(&parser, r);
2510         return r;
2511 }
2512
2513 void r600_cs_legacy_init(void)
2514 {
2515         r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm;
2516 }
2517
2518 /*
2519  *  DMA
2520  */
2521 /**
2522  * r600_dma_cs_next_reloc() - parse next reloc
2523  * @p:          parser structure holding parsing context.
2524  * @cs_reloc:           reloc informations
2525  *
2526  * Return the next reloc, do bo validation and compute
2527  * GPU offset using the provided start.
2528  **/
2529 int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
2530                            struct radeon_cs_reloc **cs_reloc)
2531 {
2532         struct radeon_cs_chunk *relocs_chunk;
2533         unsigned idx;
2534
2535         if (p->chunk_relocs_idx == -1) {
2536                 DRM_ERROR("No relocation chunk !\n");
2537                 return -EINVAL;
2538         }
2539         *cs_reloc = NULL;
2540         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
2541         idx = p->dma_reloc_idx;
2542         if (idx >= relocs_chunk->length_dw) {
2543                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
2544                           idx, relocs_chunk->length_dw);
2545                 return -EINVAL;
2546         }
2547         *cs_reloc = p->relocs_ptr[idx];
2548         p->dma_reloc_idx++;
2549         return 0;
2550 }
2551
2552 #define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28)
2553 #define GET_DMA_COUNT(h) ((h) & 0x0000ffff)
2554 #define GET_DMA_T(h) (((h) & 0x00800000) >> 23)
2555
2556 /**
2557  * r600_dma_cs_parse() - parse the DMA IB
2558  * @p:          parser structure holding parsing context.
2559  *
2560  * Parses the DMA IB from the CS ioctl and updates
2561  * the GPU addresses based on the reloc information and
2562  * checks for errors. (R6xx-R7xx)
2563  * Returns 0 for success and an error on failure.
2564  **/
2565 int r600_dma_cs_parse(struct radeon_cs_parser *p)
2566 {
2567         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
2568         struct radeon_cs_reloc *src_reloc, *dst_reloc;
2569         u32 header, cmd, count, tiled;
2570         volatile u32 *ib = p->ib.ptr;
2571         u32 idx, idx_value;
2572         u64 src_offset, dst_offset;
2573         int r;
2574
2575         do {
2576                 if (p->idx >= ib_chunk->length_dw) {
2577                         DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
2578                                   p->idx, ib_chunk->length_dw);
2579                         return -EINVAL;
2580                 }
2581                 idx = p->idx;
2582                 header = radeon_get_ib_value(p, idx);
2583                 cmd = GET_DMA_CMD(header);
2584                 count = GET_DMA_COUNT(header);
2585                 tiled = GET_DMA_T(header);
2586
2587                 switch (cmd) {
2588                 case DMA_PACKET_WRITE:
2589                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2590                         if (r) {
2591                                 DRM_ERROR("bad DMA_PACKET_WRITE\n");
2592                                 return -EINVAL;
2593                         }
2594                         if (tiled) {
2595                                 dst_offset = ib[idx+1];
2596                                 dst_offset <<= 8;
2597
2598                                 ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2599                                 p->idx += count + 5;
2600                         } else {
2601                                 dst_offset = ib[idx+1];
2602                                 dst_offset |= ((u64)(ib[idx+2] & 0xff)) << 32;
2603
2604                                 ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2605                                 ib[idx+2] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2606                                 p->idx += count + 3;
2607                         }
2608                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2609                                 dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n",
2610                                          dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2611                                 return -EINVAL;
2612                         }
2613                         break;
2614                 case DMA_PACKET_COPY:
2615                         r = r600_dma_cs_next_reloc(p, &src_reloc);
2616                         if (r) {
2617                                 DRM_ERROR("bad DMA_PACKET_COPY\n");
2618                                 return -EINVAL;
2619                         }
2620                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2621                         if (r) {
2622                                 DRM_ERROR("bad DMA_PACKET_COPY\n");
2623                                 return -EINVAL;
2624                         }
2625                         if (tiled) {
2626                                 idx_value = radeon_get_ib_value(p, idx + 2);
2627                                 /* detile bit */
2628                                 if (idx_value & (1 << 31)) {
2629                                         /* tiled src, linear dst */
2630                                         src_offset = ib[idx+1];
2631                                         src_offset <<= 8;
2632                                         ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8);
2633
2634                                         dst_offset = ib[idx+5];
2635                                         dst_offset |= ((u64)(ib[idx+6] & 0xff)) << 32;
2636                                         ib[idx+5] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2637                                         ib[idx+6] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2638                                 } else {
2639                                         /* linear src, tiled dst */
2640                                         src_offset = ib[idx+5];
2641                                         src_offset |= ((u64)(ib[idx+6] & 0xff)) << 32;
2642                                         ib[idx+5] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2643                                         ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2644
2645                                         dst_offset = ib[idx+1];
2646                                         dst_offset <<= 8;
2647                                         ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8);
2648                                 }
2649                                 p->idx += 7;
2650                         } else {
2651                                 src_offset = ib[idx+2];
2652                                 src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32;
2653                                 dst_offset = ib[idx+1];
2654                                 dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32;
2655
2656                                 ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2657                                 ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc);
2658                                 ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff;
2659                                 ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff;
2660                                 p->idx += 5;
2661                         }
2662                         if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
2663                                 dev_warn(p->dev, "DMA copy src buffer too small (%llu %lu)\n",
2664                                          src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
2665                                 return -EINVAL;
2666                         }
2667                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2668                                 dev_warn(p->dev, "DMA write dst buffer too small (%llu %lu)\n",
2669                                          dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2670                                 return -EINVAL;
2671                         }
2672                         break;
2673                 case DMA_PACKET_CONSTANT_FILL:
2674                         if (p->family < CHIP_RV770) {
2675                                 DRM_ERROR("Constant Fill is 7xx only !\n");
2676                                 return -EINVAL;
2677                         }
2678                         r = r600_dma_cs_next_reloc(p, &dst_reloc);
2679                         if (r) {
2680                                 DRM_ERROR("bad DMA_PACKET_WRITE\n");
2681                                 return -EINVAL;
2682                         }
2683                         dst_offset = ib[idx+1];
2684                         dst_offset |= ((u64)(ib[idx+3] & 0x00ff0000)) << 16;
2685                         if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
2686                                 dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
2687                                          dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
2688                                 return -EINVAL;
2689                         }
2690                         ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc);
2691                         ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) << 16) & 0x00ff0000;
2692                         p->idx += 4;
2693                         break;
2694                 case DMA_PACKET_NOP:
2695                         p->idx += 1;
2696                         break;
2697                 default:
2698                         DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
2699                         return -EINVAL;
2700                 }
2701         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2702 #if 0
2703         for (r = 0; r < p->ib->length_dw; r++) {
2704                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2705                 mdelay(1);
2706         }
2707 #endif
2708         return 0;
2709 }