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 "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         u32                     cb_color_size[8];
  67         u32                     vgt_strmout_en;
  68         u32                     vgt_strmout_buffer_en;
  69         struct radeon_bo        *vgt_strmout_bo[4];
  70         u64                     vgt_strmout_bo_mc[4]; /* unused */
  71         u32                     vgt_strmout_bo_offset[4];
  72         u32                     vgt_strmout_size[4];
  73         u32                     db_depth_control;
  74         u32                     db_depth_info;
  75         u32                     db_depth_size_idx;
  76         u32                     db_depth_view;
  77         u32                     db_depth_size;
  78         u32                     db_offset;
  79         struct radeon_bo        *db_bo;
  80         u64                     db_bo_mc;
  81         bool                    sx_misc_kill_all_prims;
  82         bool                    cb_dirty;
  83         bool                    db_dirty;
  84         bool                    streamout_dirty;
  85         struct radeon_bo        *htile_bo;
  86         u64                     htile_offset;
  87         u32                     htile_surface;
  88 };
  89
  90 #define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
  91 #define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
  92 #define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
  93 #define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
  94 #define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
  95 #define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
  96 #define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
  97 #define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
  98
  99 struct gpu_formats {
 100         unsigned blockwidth;
 101         unsigned blockheight;
 102         unsigned blocksize;
 103         unsigned valid_color;
 104         enum radeon_family min_family;
 105 };
 106
 107 static const struct gpu_formats color_formats_table[] = {
 108         /* 8 bit */
 109         FMT_8_BIT(V_038004_COLOR_8, 1),
 110         FMT_8_BIT(V_038004_COLOR_4_4, 1),
 111         FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
 112         FMT_8_BIT(V_038004_FMT_1, 0),
 113
 114         /* 16-bit */
 115         FMT_16_BIT(V_038004_COLOR_16, 1),
 116         FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
 117         FMT_16_BIT(V_038004_COLOR_8_8, 1),
 118         FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
 119         FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
 120         FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
 121         FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
 122         FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
 123
 124         /* 24-bit */
 125         FMT_24_BIT(V_038004_FMT_8_8_8),
 126
 127         /* 32-bit */
 128         FMT_32_BIT(V_038004_COLOR_32, 1),
 129         FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
 130         FMT_32_BIT(V_038004_COLOR_16_16, 1),
 131         FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
 132         FMT_32_BIT(V_038004_COLOR_8_24, 1),
 133         FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
 134         FMT_32_BIT(V_038004_COLOR_24_8, 1),
 135         FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
 136         FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
 137         FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
 138         FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
 139         FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
 140         FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
 141         FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
 142         FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
 143         FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
 144         FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
 145         FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
 146
 147         /* 48-bit */
 148         FMT_48_BIT(V_038004_FMT_16_16_16),
 149         FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
 150
 151         /* 64-bit */
 152         FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
 153         FMT_64_BIT(V_038004_COLOR_32_32, 1),
 154         FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
 155         FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
 156         FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
 157
 158         FMT_96_BIT(V_038004_FMT_32_32_32),
 159         FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
 160
 161         /* 128-bit */
 162         FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
 163         FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
 164
 165         [V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
 166         [V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
 167
 168         /* block compressed formats */
 169         [V_038004_FMT_BC1] = { 4, 4, 8, 0 },
 170         [V_038004_FMT_BC2] = { 4, 4, 16, 0 },
 171         [V_038004_FMT_BC3] = { 4, 4, 16, 0 },
 172         [V_038004_FMT_BC4] = { 4, 4, 8, 0 },
 173         [V_038004_FMT_BC5] = { 4, 4, 16, 0},
 174         [V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 175         [V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
 176
 177         /* The other Evergreen formats */
 178         [V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
 179 };
 180
 181 bool r600_fmt_is_valid_color(u32 format)
 182 {
 183         if (format >= ARRAY_SIZE(color_formats_table))
 184                 return false;
 185
 186         if (color_formats_table[format].valid_color)
 187                 return true;
 188
 189         return false;
 190 }
 191
 192 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
 193 {
 194         if (format >= ARRAY_SIZE(color_formats_table))
 195                 return false;
 196
 197         if (family < color_formats_table[format].min_family)
 198                 return false;
 199
 200         if (color_formats_table[format].blockwidth > 0)
 201                 return true;
 202
 203         return false;
 204 }
 205
 206 int r600_fmt_get_blocksize(u32 format)
 207 {
 208         if (format >= ARRAY_SIZE(color_formats_table))
 209                 return 0;
 210
 211         return color_formats_table[format].blocksize;
 212 }
 213
 214 int r600_fmt_get_nblocksx(u32 format, u32 w)
 215 {
 216         unsigned bw;
 217
 218         if (format >= ARRAY_SIZE(color_formats_table))
 219                 return 0;
 220
 221         bw = color_formats_table[format].blockwidth;
 222         if (bw == 0)
 223                 return 0;
 224
 225         return (w + bw - 1) / bw;
 226 }
 227
 228 int r600_fmt_get_nblocksy(u32 format, u32 h)
 229 {
 230         unsigned bh;
 231
 232         if (format >= ARRAY_SIZE(color_formats_table))
 233                 return 0;
 234
 235         bh = color_formats_table[format].blockheight;
 236         if (bh == 0)
 237                 return 0;
 238
 239         return (h + bh - 1) / bh;
 240 }
 241
 242 struct array_mode_checker {
 243         int array_mode;
 244         u32 group_size;
 245         u32 nbanks;
 246         u32 npipes;
 247         u32 nsamples;
 248         u32 blocksize;
 249 };
 250
 251 /* returns alignment in pixels for pitch/height/depth and bytes for base */
 252 static int r600_get_array_mode_alignment(struct array_mode_checker *values,
 253                                                 u32 *pitch_align,
 254                                                 u32 *height_align,
 255                                                 u32 *depth_align,
 256                                                 u64 *base_align)
 257 {
 258         u32 tile_width = 8;
 259         u32 tile_height = 8;
 260         u32 macro_tile_width = values->nbanks;
 261         u32 macro_tile_height = values->npipes;
 262         u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
 263         u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
 264
 265         switch (values->array_mode) {
 266         case ARRAY_LINEAR_GENERAL:
 267                 /* technically tile_width/_height for pitch/height */
 268                 *pitch_align = 1; /* tile_width */
 269                 *height_align = 1; /* tile_height */
 270                 *depth_align = 1;
 271                 *base_align = 1;
 272                 break;
 273         case ARRAY_LINEAR_ALIGNED:
 274                 *pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
 275                 *height_align = 1;
 276                 *depth_align = 1;
 277                 *base_align = values->group_size;
 278                 break;
 279         case ARRAY_1D_TILED_THIN1:
 280                 *pitch_align = max((u32)tile_width,
 281                                    (u32)(values->group_size /
 282                                          (tile_height * values->blocksize * values->nsamples)));
 283                 *height_align = tile_height;
 284                 *depth_align = 1;
 285                 *base_align = values->group_size;
 286                 break;
 287         case ARRAY_2D_TILED_THIN1:
 288                 *pitch_align = max((u32)macro_tile_width * tile_width,
 289                                 (u32)((values->group_size * values->nbanks) /
 290                                 (values->blocksize * values->nsamples * tile_width)));
 291                 *height_align = macro_tile_height * tile_height;
 292                 *depth_align = 1;
 293                 *base_align = max(macro_tile_bytes,
 294                                   (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
 295                 break;
 296         default:
 297                 return -EINVAL;
 298         }
 299
 300         return 0;
 301 }
 302
 303 static void r600_cs_track_init(struct r600_cs_track *track)
 304 {
 305         int i;
 306
 307         /* assume DX9 mode */
 308         track->sq_config = DX9_CONSTS;
 309         for (i = 0; i < 8; i++) {
 310                 track->cb_color_base_last[i] = 0;
 311                 track->cb_color_size[i] = 0;
 312                 track->cb_color_size_idx[i] = 0;
 313                 track->cb_color_info[i] = 0;
 314                 track->cb_color_view[i] = 0xFFFFFFFF;
 315                 track->cb_color_bo[i] = NULL;
 316                 track->cb_color_bo_offset[i] = 0xFFFFFFFF;
 317                 track->cb_color_bo_mc[i] = 0xFFFFFFFF;
 318                 track->cb_color_frag_bo[i] = NULL;
 319                 track->cb_color_frag_offset[i] = 0xFFFFFFFF;
 320                 track->cb_color_tile_bo[i] = NULL;
 321                 track->cb_color_tile_offset[i] = 0xFFFFFFFF;
 322                 track->cb_color_mask[i] = 0xFFFFFFFF;
 323         }
 324         track->nsamples = 16;
 325         track->log_nsamples = 4;
 326         track->cb_target_mask = 0xFFFFFFFF;
 327         track->cb_shader_mask = 0xFFFFFFFF;
 328         track->cb_dirty = true;
 329         track->db_bo = NULL;
 330         track->db_bo_mc = 0xFFFFFFFF;
 331         /* assume the biggest format and that htile is enabled */
 332         track->db_depth_info = 7 | (1 << 25);
 333         track->db_depth_view = 0xFFFFC000;
 334         track->db_depth_size = 0xFFFFFFFF;
 335         track->db_depth_size_idx = 0;
 336         track->db_depth_control = 0xFFFFFFFF;
 337         track->db_dirty = true;
 338         track->htile_bo = NULL;
 339         track->htile_offset = 0xFFFFFFFF;
 340         track->htile_surface = 0;
 341
 342         for (i = 0; i < 4; i++) {
 343                 track->vgt_strmout_size[i] = 0;
 344                 track->vgt_strmout_bo[i] = NULL;
 345                 track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
 346                 track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
 347         }
 348         track->streamout_dirty = true;
 349         track->sx_misc_kill_all_prims = false;
 350 }
 351
 352 static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
 353 {
 354         struct r600_cs_track *track = p->track;
 355         u32 slice_tile_max, size, tmp;
 356         u32 height, height_align, pitch, pitch_align, depth_align;
 357         u64 base_offset, base_align;
 358         struct array_mode_checker array_check;
 359         volatile u32 *ib = p->ib.ptr;
 360         unsigned array_mode;
 361         u32 format;
 362
 363         size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
 364         format = G_0280A0_FORMAT(track->cb_color_info[i]);
 365         if (!r600_fmt_is_valid_color(format)) {
 366                 dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
 367                          __func__, __LINE__, format,
 368                         i, track->cb_color_info[i]);
 369                 return -EINVAL;
 370         }
 371         /* pitch in pixels */
 372         pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
 373         slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
 374         slice_tile_max *= 64;
 375         height = slice_tile_max / pitch;
 376         if (height > 8192)
 377                 height = 8192;
 378         array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
 379
 380         base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
 381         array_check.array_mode = array_mode;
 382         array_check.group_size = track->group_size;
 383         array_check.nbanks = track->nbanks;
 384         array_check.npipes = track->npipes;
 385         array_check.nsamples = track->nsamples;
 386         array_check.blocksize = r600_fmt_get_blocksize(format);
 387         if (r600_get_array_mode_alignment(&array_check,
 388                                           &pitch_align, &height_align, &depth_align, &base_align)) {
 389                 dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 390                          G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 391                          track->cb_color_info[i]);
 392                 return -EINVAL;
 393         }
 394         switch (array_mode) {
 395         case V_0280A0_ARRAY_LINEAR_GENERAL:
 396                 break;
 397         case V_0280A0_ARRAY_LINEAR_ALIGNED:
 398                 break;
 399         case V_0280A0_ARRAY_1D_TILED_THIN1:
 400                 /* avoid breaking userspace */
 401                 if (height > 7)
 402                         height &= ~0x7;
 403                 break;
 404         case V_0280A0_ARRAY_2D_TILED_THIN1:
 405                 break;
 406         default:
 407                 dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
 408                         G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
 409                         track->cb_color_info[i]);
 410                 return -EINVAL;
 411         }
 412
 413         if (!IS_ALIGNED(pitch, pitch_align)) {
 414                 dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
 415                          __func__, __LINE__, pitch, pitch_align, array_mode);
 416                 return -EINVAL;
 417         }
 418         if (!IS_ALIGNED(height, height_align)) {
 419                 dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
 420                          __func__, __LINE__, height, height_align, array_mode);
 421                 return -EINVAL;
 422         }
 423         if (!IS_ALIGNED(base_offset, base_align)) {
 424                 dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
 425                          base_offset, base_align, array_mode);
 426                 return -EINVAL;
 427         }
 428
 429         /* check offset */
 430         tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
 431               r600_fmt_get_blocksize(format) * track->nsamples;
 432         switch (array_mode) {
 433         default:
 434         case V_0280A0_ARRAY_LINEAR_GENERAL:
 435         case V_0280A0_ARRAY_LINEAR_ALIGNED:
 436                 tmp += track->cb_color_view[i] & 0xFF;
 437                 break;
 438         case V_0280A0_ARRAY_1D_TILED_THIN1:
 439         case V_0280A0_ARRAY_2D_TILED_THIN1:
 440                 tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
 441                 break;
 442         }
 443         if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
 444                 if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
 445                         /* the initial DDX does bad things with the CB size occasionally */
 446                         /* it rounds up height too far for slice tile max but the BO is smaller */
 447                         /* r600c,g also seem to flush at bad times in some apps resulting in
 448                          * bogus values here. So for linear just allow anything to avoid breaking
 449                          * broken userspace.
 450                          */
 451                 } else {
 452                         dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n",
 453                                  __func__, i, array_mode,
 454                                  track->cb_color_bo_offset[i], tmp,
 455                                  radeon_bo_size(track->cb_color_bo[i]),
 456                                  pitch, height, r600_fmt_get_nblocksx(format, pitch),
 457                                  r600_fmt_get_nblocksy(format, height),
 458                                  r600_fmt_get_blocksize(format));
 459                         return -EINVAL;
 460                 }
 461         }
 462         /* limit max tile */
 463         tmp = (height * pitch) >> 6;
 464         if (tmp < slice_tile_max)
 465                 slice_tile_max = tmp;
 466         tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
 467                 S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
 468         ib[track->cb_color_size_idx[i]] = tmp;
 469
 470         /* FMASK/CMASK */
 471         switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
 472         case V_0280A0_TILE_DISABLE:
 473                 break;
 474         case V_0280A0_FRAG_ENABLE:
 475                 if (track->nsamples > 1) {
 476                         uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
 477                         /* the tile size is 8x8, but the size is in units of bits.
 478                          * for bytes, do just * 8. */
 479                         uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
 480
 481                         if (bytes + track->cb_color_frag_offset[i] >
 482                             radeon_bo_size(track->cb_color_frag_bo[i])) {
 483                                 dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
 484                                          "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
 485                                          __func__, tile_max, bytes,
 486                                          track->cb_color_frag_offset[i],
 487                                          radeon_bo_size(track->cb_color_frag_bo[i]));
 488                                 return -EINVAL;
 489                         }
 490                 }
 491                 /* fall through */
 492         case V_0280A0_CLEAR_ENABLE:
 493         {
 494                 uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
 495                 /* One block = 128x128 pixels, one 8x8 tile has 4 bits..
 496                  * (128*128) / (8*8) / 2 = 128 bytes per block. */
 497                 uint32_t bytes = (block_max + 1) * 128;
 498
 499                 if (bytes + track->cb_color_tile_offset[i] >
 500                     radeon_bo_size(track->cb_color_tile_bo[i])) {
 501                         dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
 502                                  "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
 503                                  __func__, block_max, bytes,
 504                                  track->cb_color_tile_offset[i],
 505                                  radeon_bo_size(track->cb_color_tile_bo[i]));
 506                         return -EINVAL;
 507                 }
 508                 break;
 509         }
 510         default:
 511                 dev_warn(p->dev, "%s invalid tile mode\n", __func__);
 512                 return -EINVAL;
 513         }
 514         return 0;
 515 }
 516
 517 static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
 518 {
 519         struct r600_cs_track *track = p->track;
 520         u32 nviews, bpe, ntiles, size, slice_tile_max, tmp;
 521         u32 height_align, pitch_align, depth_align;
 522         u32 pitch = 8192;
 523         u32 height = 8192;
 524         u64 base_offset, base_align;
 525         struct array_mode_checker array_check;
 526         int array_mode;
 527         volatile u32 *ib = p->ib.ptr;
 528
 529
 530         if (track->db_bo == NULL) {
 531                 dev_warn(p->dev, "z/stencil with no depth buffer\n");
 532                 return -EINVAL;
 533         }
 534         switch (G_028010_FORMAT(track->db_depth_info)) {
 535         case V_028010_DEPTH_16:
 536                 bpe = 2;
 537                 break;
 538         case V_028010_DEPTH_X8_24:
 539         case V_028010_DEPTH_8_24:
 540         case V_028010_DEPTH_X8_24_FLOAT:
 541         case V_028010_DEPTH_8_24_FLOAT:
 542         case V_028010_DEPTH_32_FLOAT:
 543                 bpe = 4;
 544                 break;
 545         case V_028010_DEPTH_X24_8_32_FLOAT:
 546                 bpe = 8;
 547                 break;
 548         default:
 549                 dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
 550                 return -EINVAL;
 551         }
 552         if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
 553                 if (!track->db_depth_size_idx) {
 554                         dev_warn(p->dev, "z/stencil buffer size not set\n");
 555                         return -EINVAL;
 556                 }
 557                 tmp = radeon_bo_size(track->db_bo) - track->db_offset;
 558                 tmp = (tmp / bpe) >> 6;
 559                 if (!tmp) {
 560                         dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
 561                                         track->db_depth_size, bpe, track->db_offset,
 562                                         radeon_bo_size(track->db_bo));
 563                         return -EINVAL;
 564                 }
 565                 ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
 566         } else {
 567                 size = radeon_bo_size(track->db_bo);
 568                 /* pitch in pixels */
 569                 pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
 570                 slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 571                 slice_tile_max *= 64;
 572                 height = slice_tile_max / pitch;
 573                 if (height > 8192)
 574                         height = 8192;
 575                 base_offset = track->db_bo_mc + track->db_offset;
 576                 array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
 577                 array_check.array_mode = array_mode;
 578                 array_check.group_size = track->group_size;
 579                 array_check.nbanks = track->nbanks;
 580                 array_check.npipes = track->npipes;
 581                 array_check.nsamples = track->nsamples;
 582                 array_check.blocksize = bpe;
 583                 if (r600_get_array_mode_alignment(&array_check,
 584                                         &pitch_align, &height_align, &depth_align, &base_align)) {
 585                         dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 586                                         G_028010_ARRAY_MODE(track->db_depth_info),
 587                                         track->db_depth_info);
 588                         return -EINVAL;
 589                 }
 590                 switch (array_mode) {
 591                 case V_028010_ARRAY_1D_TILED_THIN1:
 592                         /* don't break userspace */
 593                         height &= ~0x7;
 594                         break;
 595                 case V_028010_ARRAY_2D_TILED_THIN1:
 596                         break;
 597                 default:
 598                         dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
 599                                         G_028010_ARRAY_MODE(track->db_depth_info),
 600                                         track->db_depth_info);
 601                         return -EINVAL;
 602                 }
 603
 604                 if (!IS_ALIGNED(pitch, pitch_align)) {
 605                         dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
 606                                         __func__, __LINE__, pitch, pitch_align, array_mode);
 607                         return -EINVAL;
 608                 }
 609                 if (!IS_ALIGNED(height, height_align)) {
 610                         dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
 611                                         __func__, __LINE__, height, height_align, array_mode);
 612                         return -EINVAL;
 613                 }
 614                 if (!IS_ALIGNED(base_offset, base_align)) {
 615                         dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__,
 616                                         base_offset, base_align, array_mode);
 617                         return -EINVAL;
 618                 }
 619
 620                 ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
 621                 nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
 622                 tmp = ntiles * bpe * 64 * nviews * track->nsamples;
 623                 if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
 624                         dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
 625                                         array_mode,
 626                                         track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
 627                                         radeon_bo_size(track->db_bo));
 628                         return -EINVAL;
 629                 }
 630         }
 631
 632         /* hyperz */
 633         if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
 634                 unsigned long size;
 635                 unsigned nbx, nby;
 636
 637                 if (track->htile_bo == NULL) {
 638                         dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
 639                                  __func__, __LINE__, track->db_depth_info);
 640                         return -EINVAL;
 641                 }
 642                 if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
 643                         dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
 644                                  __func__, __LINE__, track->db_depth_size);
 645                         return -EINVAL;
 646                 }
 647
 648                 nbx = pitch;
 649                 nby = height;
 650                 if (G_028D24_LINEAR(track->htile_surface)) {
 651                         /* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
 652                         nbx = round_up(nbx, 16 * 8);
 653                         /* nby is npipes htiles aligned == npipes * 8 pixel aligned */
 654                         nby = round_up(nby, track->npipes * 8);
 655                 } else {
 656                         /* htile widht & nby (8 or 4) make 2 bits number */
 657                         tmp = track->htile_surface & 3;
 658                         /* align is htile align * 8, htile align vary according to
 659                          * number of pipe and tile width and nby
 660                          */
 661                         switch (track->npipes) {
 662                         case 8:
 663                                 switch (tmp) {
 664                                 case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 665                                         nbx = round_up(nbx, 64 * 8);
 666                                         nby = round_up(nby, 64 * 8);
 667                                         break;
 668                                 case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
 669                                 case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
 670                                         nbx = round_up(nbx, 64 * 8);
 671                                         nby = round_up(nby, 32 * 8);
 672                                         break;
 673                                 case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
 674                                         nbx = round_up(nbx, 32 * 8);
 675                                         nby = round_up(nby, 32 * 8);
 676                                         break;
 677                                 default:
 678                                         return -EINVAL;
 679                                 }
 680                                 break;
 681                         case 4:
 682                                 switch (tmp) {
 683                                 case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 684                                         nbx = round_up(nbx, 64 * 8);
 685                                         nby = round_up(nby, 32 * 8);
 686                                         break;
 687                                 case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
 688                                 case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
 689                                         nbx = round_up(nbx, 32 * 8);
 690                                         nby = round_up(nby, 32 * 8);
 691                                         break;
 692                                 case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
 693                                         nbx = round_up(nbx, 32 * 8);
 694                                         nby = round_up(nby, 16 * 8);
 695                                         break;
 696                                 default:
 697                                         return -EINVAL;
 698                                 }
 699                                 break;
 700                         case 2:
 701                                 switch (tmp) {
 702                                 case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 703                                         nbx = round_up(nbx, 32 * 8);
 704                                         nby = round_up(nby, 32 * 8);
 705                                         break;
 706                                 case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
 707                                 case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
 708                                         nbx = round_up(nbx, 32 * 8);
 709                                         nby = round_up(nby, 16 * 8);
 710                                         break;
 711                                 case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
 712                                         nbx = round_up(nbx, 16 * 8);
 713                                         nby = round_up(nby, 16 * 8);
 714                                         break;
 715                                 default:
 716                                         return -EINVAL;
 717                                 }
 718                                 break;
 719                         case 1:
 720                                 switch (tmp) {
 721                                 case 3: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
 722                                         nbx = round_up(nbx, 32 * 8);
 723                                         nby = round_up(nby, 16 * 8);
 724                                         break;
 725                                 case 2: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/
 726                                 case 1: /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/
 727                                         nbx = round_up(nbx, 16 * 8);
 728                                         nby = round_up(nby, 16 * 8);
 729                                         break;
 730                                 case 0: /* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/
 731                                         nbx = round_up(nbx, 16 * 8);
 732                                         nby = round_up(nby, 8 * 8);
 733                                         break;
 734                                 default:
 735                                         return -EINVAL;
 736                                 }
 737                                 break;
 738                         default:
 739                                 dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
 740                                          __func__, __LINE__, track->npipes);
 741                                 return -EINVAL;
 742                         }
 743                 }
 744                 /* compute number of htile */
 745                 nbx = G_028D24_HTILE_WIDTH(track->htile_surface) ? nbx / 8 : nbx / 4;
 746                 nby = G_028D24_HTILE_HEIGHT(track->htile_surface) ? nby / 8 : nby / 4;
 747                 size = nbx * nby * 4;
 748                 size += track->htile_offset;
 749
 750                 if (size > radeon_bo_size(track->htile_bo)) {
 751                         dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
 752                                  __func__, __LINE__, radeon_bo_size(track->htile_bo),
 753                                  size, nbx, nby);
 754                         return -EINVAL;
 755                 }
 756         }
 757
 758         track->db_dirty = false;
 759         return 0;
 760 }
 761
 762 static int r600_cs_track_check(struct radeon_cs_parser *p)
 763 {
 764         struct r600_cs_track *track = p->track;
 765         u32 tmp;
 766         int r, i;
 767
 768         /* on legacy kernel we don't perform advanced check */
 769         if (p->rdev == NULL)
 770                 return 0;
 771
 772         /* check streamout */
 773         if (track->streamout_dirty && track->vgt_strmout_en) {
 774                 for (i = 0; i < 4; i++) {
 775                         if (track->vgt_strmout_buffer_en & (1 << i)) {
 776                                 if (track->vgt_strmout_bo[i]) {
 777                                         u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
 778                                                 (u64)track->vgt_strmout_size[i];
 779                                         if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
 780                                                 DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
 781                                                           i, offset,
 782                                                           radeon_bo_size(track->vgt_strmout_bo[i]));
 783                                                 return -EINVAL;
 784                                         }
 785                                 } else {
 786                                         dev_warn(p->dev, "No buffer for streamout %d\n", i);
 787                                         return -EINVAL;
 788                                 }
 789                         }
 790                 }
 791                 track->streamout_dirty = false;
 792         }
 793
 794         if (track->sx_misc_kill_all_prims)
 795                 return 0;
 796
 797         /* check that we have a cb for each enabled target, we don't check
 798          * shader_mask because it seems mesa isn't always setting it :(
 799          */
 800         if (track->cb_dirty) {
 801                 tmp = track->cb_target_mask;
 802                 for (i = 0; i < 8; i++) {
 803                         if ((tmp >> (i * 4)) & 0xF) {
 804                                 /* at least one component is enabled */
 805                                 if (track->cb_color_bo[i] == NULL) {
 806                                         dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
 807                                                 __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
 808                                         return -EINVAL;
 809                                 }
 810                                 /* perform rewrite of CB_COLOR[0-7]_SIZE */
 811                                 r = r600_cs_track_validate_cb(p, i);
 812                                 if (r)
 813                                         return r;
 814                         }
 815                 }
 816                 track->cb_dirty = false;
 817         }
 818
 819         /* Check depth buffer */
 820         if (track->db_dirty &&
 821             G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
 822             (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
 823              G_028800_Z_ENABLE(track->db_depth_control))) {
 824                 r = r600_cs_track_validate_db(p);
 825                 if (r)
 826                         return r;
 827         }
 828
 829         return 0;
 830 }
 831
 832 /**
 833  * r600_cs_packet_parse() - parse cp packet and point ib index to next packet
 834  * @parser:     parser structure holding parsing context.
 835  * @pkt:        where to store packet informations
 836  *
 837  * Assume that chunk_ib_index is properly set. Will return -EINVAL
 838  * if packet is bigger than remaining ib size. or if packets is unknown.
 839  **/
 840 int r600_cs_packet_parse(struct radeon_cs_parser *p,
 841                         struct radeon_cs_packet *pkt,
 842                         unsigned idx)
 843 {
 844         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
 845         uint32_t header;
 846
 847         if (idx >= ib_chunk->length_dw) {
 848                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 849                           idx, ib_chunk->length_dw);
 850                 return -EINVAL;
 851         }
 852         header = radeon_get_ib_value(p, idx);
 853         pkt->idx = idx;
 854         pkt->type = CP_PACKET_GET_TYPE(header);
 855         pkt->count = CP_PACKET_GET_COUNT(header);
 856         pkt->one_reg_wr = 0;
 857         switch (pkt->type) {
 858         case PACKET_TYPE0:
 859                 pkt->reg = CP_PACKET0_GET_REG(header);
 860                 break;
 861         case PACKET_TYPE3:
 862                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
 863                 break;
 864         case PACKET_TYPE2:
 865                 pkt->count = -1;
 866                 break;
 867         default:
 868                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
 869                 return -EINVAL;
 870         }
 871         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
 872                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
 873                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
 874                 return -EINVAL;
 875         }
 876         return 0;
 877 }
 878
 879 /**
 880  * r600_cs_packet_next_reloc_mm() - 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_mm(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         /* FIXME: we assume reloc size is 4 dwords */
 921         *cs_reloc = p->relocs_ptr[(idx / 4)];
 922         return 0;
 923 }
 924
 925 /**
 926  * r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3
 927  * @parser:             parser structure holding parsing context.
 928  * @data:               pointer to relocation data
 929  * @offset_start:       starting offset
 930  * @offset_mask:        offset mask (to align start offset on)
 931  * @reloc:              reloc informations
 932  *
 933  * Check next packet is relocation packet3, do bo validation and compute
 934  * GPU offset using the provided start.
 935  **/
 936 static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
 937                                         struct radeon_cs_reloc **cs_reloc)
 938 {
 939         struct radeon_cs_chunk *relocs_chunk;
 940         struct radeon_cs_packet p3reloc;
 941         unsigned idx;
 942         int r;
 943
 944         if (p->chunk_relocs_idx == -1) {
 945                 DRM_ERROR("No relocation chunk !\n");
 946                 return -EINVAL;
 947         }
 948         *cs_reloc = NULL;
 949         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
 950         r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 951         if (r) {
 952                 return r;
 953         }
 954         p->idx += p3reloc.count + 2;
 955         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 956                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
 957                           p3reloc.idx);
 958                 return -EINVAL;
 959         }
 960         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
 961         if (idx >= relocs_chunk->length_dw) {
 962                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
 963                           idx, relocs_chunk->length_dw);
 964                 return -EINVAL;
 965         }
 966         *cs_reloc = p->relocs;
 967         (*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32;
 968         (*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0];
 969         return 0;
 970 }
 971
 972 /**
 973  * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
 974  * @parser:             parser structure holding parsing context.
 975  *
 976  * Check next packet is relocation packet3, do bo validation and compute
 977  * GPU offset using the provided start.
 978  **/
 979 static int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
 980 {
 981         struct radeon_cs_packet p3reloc;
 982         int r;
 983
 984         r = r600_cs_packet_parse(p, &p3reloc, p->idx);
 985         if (r) {
 986                 return 0;
 987         }
 988         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 989                 return 0;
 990         }
 991         return 1;
 992 }
 993
 994 /**
 995  * r600_cs_packet_next_vline() - parse userspace VLINE packet
 996  * @parser:             parser structure holding parsing context.
 997  *
 998  * Userspace sends a special sequence for VLINE waits.
 999  * PACKET0 - VLINE_START_END + value
1000  * PACKET3 - WAIT_REG_MEM poll vline status reg
1001  * RELOC (P3) - crtc_id in reloc.
1002  *
1003  * This function parses this and relocates the VLINE START END
1004  * and WAIT_REG_MEM packets to the correct crtc.
1005  * It also detects a switched off crtc and nulls out the
1006  * wait in that case.
1007  */
1008 static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
1009 {
1010         struct drm_mode_object *obj;
1011         struct drm_crtc *crtc;
1012         struct radeon_crtc *radeon_crtc;
1013         struct radeon_cs_packet p3reloc, wait_reg_mem;
1014         int crtc_id;
1015         int r;
1016         uint32_t header, h_idx, reg, wait_reg_mem_info;
1017         volatile uint32_t *ib;
1018
1019         ib = p->ib.ptr;
1020
1021         /* parse the WAIT_REG_MEM */
1022         r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx);
1023         if (r)
1024                 return r;
1025
1026         /* check its a WAIT_REG_MEM */
1027         if (wait_reg_mem.type != PACKET_TYPE3 ||
1028             wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
1029                 DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
1030                 return -EINVAL;
1031         }
1032
1033         wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
1034         /* bit 4 is reg (0) or mem (1) */
1035         if (wait_reg_mem_info & 0x10) {
1036                 DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
1037                 return -EINVAL;
1038         }
1039         /* waiting for value to be equal */
1040         if ((wait_reg_mem_info & 0x7) != 0x3) {
1041                 DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
1042                 return -EINVAL;
1043         }
1044         if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) {
1045                 DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
1046                 return -EINVAL;
1047         }
1048
1049         if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) {
1050                 DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
1051                 return -EINVAL;
1052         }
1053
1054         /* jump over the NOP */
1055         r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
1056         if (r)
1057                 return r;
1058
1059         h_idx = p->idx - 2;
1060         p->idx += wait_reg_mem.count + 2;
1061         p->idx += p3reloc.count + 2;
1062
1063         header = radeon_get_ib_value(p, h_idx);
1064         crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
1065         reg = CP_PACKET0_GET_REG(header);
1066
1067         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1068         if (!obj) {
1069                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1070                 return -EINVAL;
1071         }
1072         crtc = obj_to_crtc(obj);
1073         radeon_crtc = to_radeon_crtc(crtc);
1074         crtc_id = radeon_crtc->crtc_id;
1075
1076         if (!crtc->enabled) {
1077                 /* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
1078                 ib[h_idx + 2] = PACKET2(0);
1079                 ib[h_idx + 3] = PACKET2(0);
1080                 ib[h_idx + 4] = PACKET2(0);
1081                 ib[h_idx + 5] = PACKET2(0);
1082                 ib[h_idx + 6] = PACKET2(0);
1083                 ib[h_idx + 7] = PACKET2(0);
1084                 ib[h_idx + 8] = PACKET2(0);
1085         } else if (crtc_id == 1) {
1086                 switch (reg) {
1087                 case AVIVO_D1MODE_VLINE_START_END:
1088                         header &= ~R600_CP_PACKET0_REG_MASK;
1089                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1090                         break;
1091                 default:
1092                         DRM_ERROR("unknown crtc reloc\n");
1093                         return -EINVAL;
1094                 }
1095                 ib[h_idx] = header;
1096                 ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
1097         }
1098
1099         return 0;
1100 }
1101
1102 static int r600_packet0_check(struct radeon_cs_parser *p,
1103                                 struct radeon_cs_packet *pkt,
1104                                 unsigned idx, unsigned reg)
1105 {
1106         int r;
1107
1108         switch (reg) {
1109         case AVIVO_D1MODE_VLINE_START_END:
1110                 r = r600_cs_packet_parse_vline(p);
1111                 if (r) {
1112                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1113                                         idx, reg);
1114                         return r;
1115                 }
1116                 break;
1117         default:
1118                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1119                        reg, idx);
1120                 return -EINVAL;
1121         }
1122         return 0;
1123 }
1124
1125 static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
1126                                 struct radeon_cs_packet *pkt)
1127 {
1128         unsigned reg, i;
1129         unsigned idx;
1130         int r;
1131
1132         idx = pkt->idx + 1;
1133         reg = pkt->reg;
1134         for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
1135                 r = r600_packet0_check(p, pkt, idx, reg);
1136                 if (r) {
1137                         return r;
1138                 }
1139         }
1140         return 0;
1141 }
1142
1143 /**
1144  * r600_cs_check_reg() - check if register is authorized or not
1145  * @parser: parser structure holding parsing context
1146  * @reg: register we are testing
1147  * @idx: index into the cs buffer
1148  *
1149  * This function will test against r600_reg_safe_bm and return 0
1150  * if register is safe. If register is not flag as safe this function
1151  * will test it against a list of register needind special handling.
1152  */
1153 static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1154 {
1155         struct r600_cs_track *track = (struct r600_cs_track *)p->track;
1156         struct radeon_cs_reloc *reloc;
1157         u32 m, i, tmp, *ib;
1158         int r;
1159
1160         i = (reg >> 7);
1161         if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1162                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1163                 return -EINVAL;
1164         }
1165         m = 1 << ((reg >> 2) & 31);
1166         if (!(r600_reg_safe_bm[i] & m))
1167                 return 0;
1168         ib = p->ib.ptr;
1169         switch (reg) {
1170         /* force following reg to 0 in an attempt to disable out buffer
1171          * which will need us to better understand how it works to perform
1172          * security check on it (Jerome)
1173          */
1174         case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
1175         case R_008C44_SQ_ESGS_RING_SIZE:
1176         case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
1177         case R_008C54_SQ_ESTMP_RING_SIZE:
1178         case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
1179         case R_008C74_SQ_FBUF_RING_SIZE:
1180         case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
1181         case R_008C5C_SQ_GSTMP_RING_SIZE:
1182         case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
1183         case R_008C4C_SQ_GSVS_RING_SIZE:
1184         case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
1185         case R_008C6C_SQ_PSTMP_RING_SIZE:
1186         case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
1187         case R_008C7C_SQ_REDUC_RING_SIZE:
1188         case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
1189         case R_008C64_SQ_VSTMP_RING_SIZE:
1190         case R_0288C8_SQ_GS_VERT_ITEMSIZE:
1191                 /* get value to populate the IB don't remove */
1192                 tmp =radeon_get_ib_value(p, idx);
1193                 ib[idx] = 0;
1194                 break;
1195         case SQ_CONFIG:
1196                 track->sq_config = radeon_get_ib_value(p, idx);
1197                 break;
1198         case R_028800_DB_DEPTH_CONTROL:
1199                 track->db_depth_control = radeon_get_ib_value(p, idx);
1200                 track->db_dirty = true;
1201                 break;
1202         case R_028010_DB_DEPTH_INFO:
1203                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1204                     r600_cs_packet_next_is_pkt3_nop(p)) {
1205                         r = r600_cs_packet_next_reloc(p, &reloc);
1206                         if (r) {
1207                                 dev_warn(p->dev, "bad SET_CONTEXT_REG "
1208                                          "0x%04X\n", reg);
1209                                 return -EINVAL;
1210                         }
1211                         track->db_depth_info = radeon_get_ib_value(p, idx);
1212                         ib[idx] &= C_028010_ARRAY_MODE;
1213                         track->db_depth_info &= C_028010_ARRAY_MODE;
1214                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1215                                 ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1216                                 track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
1217                         } else {
1218                                 ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1219                                 track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
1220                         }
1221                 } else {
1222                         track->db_depth_info = radeon_get_ib_value(p, idx);
1223                 }
1224                 track->db_dirty = true;
1225                 break;
1226         case R_028004_DB_DEPTH_VIEW:
1227                 track->db_depth_view = radeon_get_ib_value(p, idx);
1228                 track->db_dirty = true;
1229                 break;
1230         case R_028000_DB_DEPTH_SIZE:
1231                 track->db_depth_size = radeon_get_ib_value(p, idx);
1232                 track->db_depth_size_idx = idx;
1233                 track->db_dirty = true;
1234                 break;
1235         case R_028AB0_VGT_STRMOUT_EN:
1236                 track->vgt_strmout_en = radeon_get_ib_value(p, idx);
1237                 track->streamout_dirty = true;
1238                 break;
1239         case R_028B20_VGT_STRMOUT_BUFFER_EN:
1240                 track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
1241                 track->streamout_dirty = true;
1242                 break;
1243         case VGT_STRMOUT_BUFFER_BASE_0:
1244         case VGT_STRMOUT_BUFFER_BASE_1:
1245         case VGT_STRMOUT_BUFFER_BASE_2:
1246         case VGT_STRMOUT_BUFFER_BASE_3:
1247                 r = r600_cs_packet_next_reloc(p, &reloc);
1248                 if (r) {
1249                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1250                                         "0x%04X\n", reg);
1251                         return -EINVAL;
1252                 }
1253                 tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
1254                 track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1255                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1256                 track->vgt_strmout_bo[tmp] = reloc->robj;
1257                 track->vgt_strmout_bo_mc[tmp] = reloc->lobj.gpu_offset;
1258                 track->streamout_dirty = true;
1259                 break;
1260         case VGT_STRMOUT_BUFFER_SIZE_0:
1261         case VGT_STRMOUT_BUFFER_SIZE_1:
1262         case VGT_STRMOUT_BUFFER_SIZE_2:
1263         case VGT_STRMOUT_BUFFER_SIZE_3:
1264                 tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
1265                 /* size in register is DWs, convert to bytes */
1266                 track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
1267                 track->streamout_dirty = true;
1268                 break;
1269         case CP_COHER_BASE:
1270                 r = r600_cs_packet_next_reloc(p, &reloc);
1271                 if (r) {
1272                         dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
1273                                         "0x%04X\n", reg);
1274                         return -EINVAL;
1275                 }
1276                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1277                 break;
1278         case R_028238_CB_TARGET_MASK:
1279                 track->cb_target_mask = radeon_get_ib_value(p, idx);
1280                 track->cb_dirty = true;
1281                 break;
1282         case R_02823C_CB_SHADER_MASK:
1283                 track->cb_shader_mask = radeon_get_ib_value(p, idx);
1284                 break;
1285         case R_028C04_PA_SC_AA_CONFIG:
1286                 tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
1287                 track->log_nsamples = tmp;
1288                 track->nsamples = 1 << tmp;
1289                 track->cb_dirty = true;
1290                 break;
1291         case R_0280A0_CB_COLOR0_INFO:
1292         case R_0280A4_CB_COLOR1_INFO:
1293         case R_0280A8_CB_COLOR2_INFO:
1294         case R_0280AC_CB_COLOR3_INFO:
1295         case R_0280B0_CB_COLOR4_INFO:
1296         case R_0280B4_CB_COLOR5_INFO:
1297         case R_0280B8_CB_COLOR6_INFO:
1298         case R_0280BC_CB_COLOR7_INFO:
1299                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
1300                      r600_cs_packet_next_is_pkt3_nop(p)) {
1301                         r = r600_cs_packet_next_reloc(p, &reloc);
1302                         if (r) {
1303                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1304                                 return -EINVAL;
1305                         }
1306                         tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1307                         track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1308                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
1309                                 ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1310                                 track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
1311                         } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
1312                                 ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1313                                 track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
1314                         }
1315                 } else {
1316                         tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
1317                         track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
1318                 }
1319                 track->cb_dirty = true;
1320                 break;
1321         case R_028080_CB_COLOR0_VIEW:
1322         case R_028084_CB_COLOR1_VIEW:
1323         case R_028088_CB_COLOR2_VIEW:
1324         case R_02808C_CB_COLOR3_VIEW:
1325         case R_028090_CB_COLOR4_VIEW:
1326         case R_028094_CB_COLOR5_VIEW:
1327         case R_028098_CB_COLOR6_VIEW:
1328         case R_02809C_CB_COLOR7_VIEW:
1329                 tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
1330                 track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
1331                 track->cb_dirty = true;
1332                 break;
1333         case R_028060_CB_COLOR0_SIZE:
1334         case R_028064_CB_COLOR1_SIZE:
1335         case R_028068_CB_COLOR2_SIZE:
1336         case R_02806C_CB_COLOR3_SIZE:
1337         case R_028070_CB_COLOR4_SIZE:
1338         case R_028074_CB_COLOR5_SIZE:
1339         case R_028078_CB_COLOR6_SIZE:
1340         case R_02807C_CB_COLOR7_SIZE:
1341                 tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
1342                 track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
1343                 track->cb_color_size_idx[tmp] = idx;
1344                 track->cb_dirty = true;
1345                 break;
1346                 /* This register were added late, there is userspace
1347                  * which does provide relocation for those but set
1348                  * 0 offset. In order to avoid breaking old userspace
1349                  * we detect this and set address to point to last
1350                  * CB_COLOR0_BASE, note that if userspace doesn't set
1351                  * CB_COLOR0_BASE before this register we will report
1352                  * error. Old userspace always set CB_COLOR0_BASE
1353                  * before any of this.
1354                  */
1355         case R_0280E0_CB_COLOR0_FRAG:
1356         case R_0280E4_CB_COLOR1_FRAG:
1357         case R_0280E8_CB_COLOR2_FRAG:
1358         case R_0280EC_CB_COLOR3_FRAG:
1359         case R_0280F0_CB_COLOR4_FRAG:
1360         case R_0280F4_CB_COLOR5_FRAG:
1361         case R_0280F8_CB_COLOR6_FRAG:
1362         case R_0280FC_CB_COLOR7_FRAG:
1363                 tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
1364                 if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1365                         if (!track->cb_color_base_last[tmp]) {
1366                                 dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1367                                 return -EINVAL;
1368                         }
1369                         track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
1370                         track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
1371                         ib[idx] = track->cb_color_base_last[tmp];
1372                 } else {
1373                         r = r600_cs_packet_next_reloc(p, &reloc);
1374                         if (r) {
1375                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1376                                 return -EINVAL;
1377                         }
1378                         track->cb_color_frag_bo[tmp] = reloc->robj;
1379                         track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
1380                         ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1381                 }
1382                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1383                         track->cb_dirty = true;
1384                 }
1385                 break;
1386         case R_0280C0_CB_COLOR0_TILE:
1387         case R_0280C4_CB_COLOR1_TILE:
1388         case R_0280C8_CB_COLOR2_TILE:
1389         case R_0280CC_CB_COLOR3_TILE:
1390         case R_0280D0_CB_COLOR4_TILE:
1391         case R_0280D4_CB_COLOR5_TILE:
1392         case R_0280D8_CB_COLOR6_TILE:
1393         case R_0280DC_CB_COLOR7_TILE:
1394                 tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
1395                 if (!r600_cs_packet_next_is_pkt3_nop(p)) {
1396                         if (!track->cb_color_base_last[tmp]) {
1397                                 dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
1398                                 return -EINVAL;
1399                         }
1400                         track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
1401                         track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
1402                         ib[idx] = track->cb_color_base_last[tmp];
1403                 } else {
1404                         r = r600_cs_packet_next_reloc(p, &reloc);
1405                         if (r) {
1406                                 dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
1407                                 return -EINVAL;
1408                         }
1409                         track->cb_color_tile_bo[tmp] = reloc->robj;
1410                         track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
1411                         ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1412                 }
1413                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1414                         track->cb_dirty = true;
1415                 }
1416                 break;
1417         case R_028100_CB_COLOR0_MASK:
1418         case R_028104_CB_COLOR1_MASK:
1419         case R_028108_CB_COLOR2_MASK:
1420         case R_02810C_CB_COLOR3_MASK:
1421         case R_028110_CB_COLOR4_MASK:
1422         case R_028114_CB_COLOR5_MASK:
1423         case R_028118_CB_COLOR6_MASK:
1424         case R_02811C_CB_COLOR7_MASK:
1425                 tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
1426                 track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
1427                 if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
1428                         track->cb_dirty = true;
1429                 }
1430                 break;
1431         case CB_COLOR0_BASE:
1432         case CB_COLOR1_BASE:
1433         case CB_COLOR2_BASE:
1434         case CB_COLOR3_BASE:
1435         case CB_COLOR4_BASE:
1436         case CB_COLOR5_BASE:
1437         case CB_COLOR6_BASE:
1438         case CB_COLOR7_BASE:
1439                 r = r600_cs_packet_next_reloc(p, &reloc);
1440                 if (r) {
1441                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1442                                         "0x%04X\n", reg);
1443                         return -EINVAL;
1444                 }
1445                 tmp = (reg - CB_COLOR0_BASE) / 4;
1446                 track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
1447                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1448                 track->cb_color_base_last[tmp] = ib[idx];
1449                 track->cb_color_bo[tmp] = reloc->robj;
1450                 track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset;
1451                 track->cb_dirty = true;
1452                 break;
1453         case DB_DEPTH_BASE:
1454                 r = r600_cs_packet_next_reloc(p, &reloc);
1455                 if (r) {
1456                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1457                                         "0x%04X\n", reg);
1458                         return -EINVAL;
1459                 }
1460                 track->db_offset = radeon_get_ib_value(p, idx) << 8;
1461                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1462                 track->db_bo = reloc->robj;
1463                 track->db_bo_mc = reloc->lobj.gpu_offset;
1464                 track->db_dirty = true;
1465                 break;
1466         case DB_HTILE_DATA_BASE:
1467                 r = r600_cs_packet_next_reloc(p, &reloc);
1468                 if (r) {
1469                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1470                                         "0x%04X\n", reg);
1471                         return -EINVAL;
1472                 }
1473                 track->htile_offset = radeon_get_ib_value(p, idx) << 8;
1474                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1475                 track->htile_bo = reloc->robj;
1476                 track->db_dirty = true;
1477                 break;
1478         case DB_HTILE_SURFACE:
1479                 track->htile_surface = radeon_get_ib_value(p, idx);
1480                 track->db_dirty = true;
1481                 break;
1482         case SQ_PGM_START_FS:
1483         case SQ_PGM_START_ES:
1484         case SQ_PGM_START_VS:
1485         case SQ_PGM_START_GS:
1486         case SQ_PGM_START_PS:
1487         case SQ_ALU_CONST_CACHE_GS_0:
1488         case SQ_ALU_CONST_CACHE_GS_1:
1489         case SQ_ALU_CONST_CACHE_GS_2:
1490         case SQ_ALU_CONST_CACHE_GS_3:
1491         case SQ_ALU_CONST_CACHE_GS_4:
1492         case SQ_ALU_CONST_CACHE_GS_5:
1493         case SQ_ALU_CONST_CACHE_GS_6:
1494         case SQ_ALU_CONST_CACHE_GS_7:
1495         case SQ_ALU_CONST_CACHE_GS_8:
1496         case SQ_ALU_CONST_CACHE_GS_9:
1497         case SQ_ALU_CONST_CACHE_GS_10:
1498         case SQ_ALU_CONST_CACHE_GS_11:
1499         case SQ_ALU_CONST_CACHE_GS_12:
1500         case SQ_ALU_CONST_CACHE_GS_13:
1501         case SQ_ALU_CONST_CACHE_GS_14:
1502         case SQ_ALU_CONST_CACHE_GS_15:
1503         case SQ_ALU_CONST_CACHE_PS_0:
1504         case SQ_ALU_CONST_CACHE_PS_1:
1505         case SQ_ALU_CONST_CACHE_PS_2:
1506         case SQ_ALU_CONST_CACHE_PS_3:
1507         case SQ_ALU_CONST_CACHE_PS_4:
1508         case SQ_ALU_CONST_CACHE_PS_5:
1509         case SQ_ALU_CONST_CACHE_PS_6:
1510         case SQ_ALU_CONST_CACHE_PS_7:
1511         case SQ_ALU_CONST_CACHE_PS_8:
1512         case SQ_ALU_CONST_CACHE_PS_9:
1513         case SQ_ALU_CONST_CACHE_PS_10:
1514         case SQ_ALU_CONST_CACHE_PS_11:
1515         case SQ_ALU_CONST_CACHE_PS_12:
1516         case SQ_ALU_CONST_CACHE_PS_13:
1517         case SQ_ALU_CONST_CACHE_PS_14:
1518         case SQ_ALU_CONST_CACHE_PS_15:
1519         case SQ_ALU_CONST_CACHE_VS_0:
1520         case SQ_ALU_CONST_CACHE_VS_1:
1521         case SQ_ALU_CONST_CACHE_VS_2:
1522         case SQ_ALU_CONST_CACHE_VS_3:
1523         case SQ_ALU_CONST_CACHE_VS_4:
1524         case SQ_ALU_CONST_CACHE_VS_5:
1525         case SQ_ALU_CONST_CACHE_VS_6:
1526         case SQ_ALU_CONST_CACHE_VS_7:
1527         case SQ_ALU_CONST_CACHE_VS_8:
1528         case SQ_ALU_CONST_CACHE_VS_9:
1529         case SQ_ALU_CONST_CACHE_VS_10:
1530         case SQ_ALU_CONST_CACHE_VS_11:
1531         case SQ_ALU_CONST_CACHE_VS_12:
1532         case SQ_ALU_CONST_CACHE_VS_13:
1533         case SQ_ALU_CONST_CACHE_VS_14:
1534         case SQ_ALU_CONST_CACHE_VS_15:
1535                 r = r600_cs_packet_next_reloc(p, &reloc);
1536                 if (r) {
1537                         dev_warn(p->dev, "bad SET_CONTEXT_REG "
1538                                         "0x%04X\n", reg);
1539                         return -EINVAL;
1540                 }
1541                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1542                 break;
1543         case SX_MEMORY_EXPORT_BASE:
1544                 r = r600_cs_packet_next_reloc(p, &reloc);
1545                 if (r) {
1546                         dev_warn(p->dev, "bad SET_CONFIG_REG "
1547                                         "0x%04X\n", reg);
1548                         return -EINVAL;
1549                 }
1550                 ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1551                 break;
1552         case SX_MISC:
1553                 track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
1554                 break;
1555         default:
1556                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1557                 return -EINVAL;
1558         }
1559         return 0;
1560 }
1561
1562 unsigned r600_mip_minify(unsigned size, unsigned level)
1563 {
1564         unsigned val;
1565
1566         val = max(1U, size >> level);
1567         if (level > 0)
1568                 val = roundup_pow_of_two(val);
1569         return val;
1570 }
1571
1572 static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
1573                               unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
1574                               unsigned block_align, unsigned height_align, unsigned base_align,
1575                               unsigned *l0_size, unsigned *mipmap_size)
1576 {
1577         unsigned offset, i, level;
1578         unsigned width, height, depth, size;
1579         unsigned blocksize;
1580         unsigned nbx, nby;
1581         unsigned nlevels = llevel - blevel + 1;
1582
1583         *l0_size = -1;
1584         blocksize = r600_fmt_get_blocksize(format);
1585
1586         w0 = r600_mip_minify(w0, 0);
1587         h0 = r600_mip_minify(h0, 0);
1588         d0 = r600_mip_minify(d0, 0);
1589         for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
1590                 width = r600_mip_minify(w0, i);
1591                 nbx = r600_fmt_get_nblocksx(format, width);
1592
1593                 nbx = round_up(nbx, block_align);
1594
1595                 height = r600_mip_minify(h0, i);
1596                 nby = r600_fmt_get_nblocksy(format, height);
1597                 nby = round_up(nby, height_align);
1598
1599                 depth = r600_mip_minify(d0, i);
1600
1601                 size = nbx * nby * blocksize * nsamples;
1602                 if (nfaces)
1603                         size *= nfaces;
1604                 else
1605                         size *= depth;
1606
1607                 if (i == 0)
1608                         *l0_size = size;
1609
1610                 if (i == 0 || i == 1)
1611                         offset = round_up(offset, base_align);
1612
1613                 offset += size;
1614         }
1615         *mipmap_size = offset;
1616         if (llevel == 0)
1617                 *mipmap_size = *l0_size;
1618         if (!blevel)
1619                 *mipmap_size -= *l0_size;
1620 }
1621
1622 /**
1623  * r600_check_texture_resource() - check if register is authorized or not
1624  * @p: parser structure holding parsing context
1625  * @idx: index into the cs buffer
1626  * @texture: texture's bo structure
1627  * @mipmap: mipmap's bo structure
1628  *
1629  * This function will check that the resource has valid field and that
1630  * the texture and mipmap bo object are big enough to cover this resource.
1631  */
1632 static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
1633                                               struct radeon_bo *texture,
1634                                               struct radeon_bo *mipmap,
1635                                               u64 base_offset,
1636                                               u64 mip_offset,
1637                                               u32 tiling_flags)
1638 {
1639         struct r600_cs_track *track = p->track;
1640         u32 dim, nfaces, llevel, blevel, w0, h0, d0;
1641         u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
1642         u32 height_align, pitch, pitch_align, depth_align;
1643         u32 barray, larray;
1644         u64 base_align;
1645         struct array_mode_checker array_check;
1646         u32 format;
1647         bool is_array;
1648
1649         /* on legacy kernel we don't perform advanced check */
1650         if (p->rdev == NULL)
1651                 return 0;
1652
1653         /* convert to bytes */
1654         base_offset <<= 8;
1655         mip_offset <<= 8;
1656
1657         word0 = radeon_get_ib_value(p, idx + 0);
1658         if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1659                 if (tiling_flags & RADEON_TILING_MACRO)
1660                         word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
1661                 else if (tiling_flags & RADEON_TILING_MICRO)
1662                         word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
1663         }
1664         word1 = radeon_get_ib_value(p, idx + 1);
1665         word2 = radeon_get_ib_value(p, idx + 2) << 8;
1666         word3 = radeon_get_ib_value(p, idx + 3) << 8;
1667         word4 = radeon_get_ib_value(p, idx + 4);
1668         word5 = radeon_get_ib_value(p, idx + 5);
1669         dim = G_038000_DIM(word0);
1670         w0 = G_038000_TEX_WIDTH(word0) + 1;
1671         pitch = (G_038000_PITCH(word0) + 1) * 8;
1672         h0 = G_038004_TEX_HEIGHT(word1) + 1;
1673         d0 = G_038004_TEX_DEPTH(word1);
1674         format = G_038004_DATA_FORMAT(word1);
1675         blevel = G_038010_BASE_LEVEL(word4);
1676         llevel = G_038014_LAST_LEVEL(word5);
1677         /* pitch in texels */
1678         array_check.array_mode = G_038000_TILE_MODE(word0);
1679         array_check.group_size = track->group_size;
1680         array_check.nbanks = track->nbanks;
1681         array_check.npipes = track->npipes;
1682         array_check.nsamples = 1;
1683         array_check.blocksize = r600_fmt_get_blocksize(format);
1684         nfaces = 1;
1685         is_array = false;
1686         switch (dim) {
1687         case V_038000_SQ_TEX_DIM_1D:
1688         case V_038000_SQ_TEX_DIM_2D:
1689         case V_038000_SQ_TEX_DIM_3D:
1690                 break;
1691         case V_038000_SQ_TEX_DIM_CUBEMAP:
1692                 if (p->family >= CHIP_RV770)
1693                         nfaces = 8;
1694                 else
1695                         nfaces = 6;
1696                 break;
1697         case V_038000_SQ_TEX_DIM_1D_ARRAY:
1698         case V_038000_SQ_TEX_DIM_2D_ARRAY:
1699                 is_array = true;
1700                 break;
1701         case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
1702                 is_array = true;
1703                 /* fall through */
1704         case V_038000_SQ_TEX_DIM_2D_MSAA:
1705                 array_check.nsamples = 1 << llevel;
1706                 llevel = 0;
1707                 break;
1708         default:
1709                 dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
1710                 return -EINVAL;
1711         }
1712         if (!r600_fmt_is_valid_texture(format, p->family)) {
1713                 dev_warn(p->dev, "%s:%d texture invalid format %d\n",
1714                          __func__, __LINE__, format);
1715                 return -EINVAL;
1716         }
1717
1718         if (r600_get_array_mode_alignment(&array_check,
1719                                           &pitch_align, &height_align, &depth_align, &base_align)) {
1720                 dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
1721                          __func__, __LINE__, G_038000_TILE_MODE(word0));
1722                 return -EINVAL;
1723         }
1724
1725         /* XXX check height as well... */
1726
1727         if (!IS_ALIGNED(pitch, pitch_align)) {
1728                 dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
1729                          __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
1730                 return -EINVAL;
1731         }
1732         if (!IS_ALIGNED(base_offset, base_align)) {
1733                 dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
1734                          __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
1735                 return -EINVAL;
1736         }
1737         if (!IS_ALIGNED(mip_offset, base_align)) {
1738                 dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
1739                          __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
1740                 return -EINVAL;
1741         }
1742
1743         if (blevel > llevel) {
1744                 dev_warn(p->dev, "texture blevel %d > llevel %d\n",
1745                          blevel, llevel);
1746         }
1747         if (is_array) {
1748                 barray = G_038014_BASE_ARRAY(word5);
1749                 larray = G_038014_LAST_ARRAY(word5);
1750
1751                 nfaces = larray - barray + 1;
1752         }
1753         r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
1754                           pitch_align, height_align, base_align,
1755                           &l0_size, &mipmap_size);
1756         /* using get ib will give us the offset into the texture bo */
1757         if ((l0_size + word2) > radeon_bo_size(texture)) {
1758                 dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
1759                          w0, h0, pitch_align, height_align,
1760                          array_check.array_mode, format, word2,
1761                          l0_size, radeon_bo_size(texture));
1762                 dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align);
1763                 return -EINVAL;
1764         }
1765         /* using get ib will give us the offset into the mipmap bo */
1766         if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
1767                 /*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
1768                   w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
1769         }
1770         return 0;
1771 }
1772
1773 static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
1774 {
1775         u32 m, i;
1776
1777         i = (reg >> 7);
1778         if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
1779                 dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1780                 return false;
1781         }
1782         m = 1 << ((reg >> 2) & 31);
1783         if (!(r600_reg_safe_bm[i] & m))
1784                 return true;
1785         dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
1786         return false;
1787 }
1788
1789 static int r600_packet3_check(struct radeon_cs_parser *p,
1790                                 struct radeon_cs_packet *pkt)
1791 {
1792         struct radeon_cs_reloc *reloc;
1793         struct r600_cs_track *track;
1794         volatile u32 *ib;
1795         unsigned idx;
1796         unsigned i;
1797         unsigned start_reg, end_reg, reg;
1798         int r;
1799         u32 idx_value;
1800
1801         track = (struct r600_cs_track *)p->track;
1802         ib = p->ib.ptr;
1803         idx = pkt->idx + 1;
1804         idx_value = radeon_get_ib_value(p, idx);
1805
1806         switch (pkt->opcode) {
1807         case PACKET3_SET_PREDICATION:
1808         {
1809                 int pred_op;
1810                 int tmp;
1811                 uint64_t offset;
1812
1813                 if (pkt->count != 1) {
1814                         DRM_ERROR("bad SET PREDICATION\n");
1815                         return -EINVAL;
1816                 }
1817
1818                 tmp = radeon_get_ib_value(p, idx + 1);
1819                 pred_op = (tmp >> 16) & 0x7;
1820
1821                 /* for the clear predicate operation */
1822                 if (pred_op == 0)
1823                         return 0;
1824
1825                 if (pred_op > 2) {
1826                         DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
1827                         return -EINVAL;
1828                 }
1829
1830                 r = r600_cs_packet_next_reloc(p, &reloc);
1831                 if (r) {
1832                         DRM_ERROR("bad SET PREDICATION\n");
1833                         return -EINVAL;
1834                 }
1835
1836                 offset = reloc->lobj.gpu_offset +
1837                          (idx_value & 0xfffffff0) +
1838                          ((u64)(tmp & 0xff) << 32);
1839
1840                 ib[idx + 0] = offset;
1841                 ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1842         }
1843         break;
1844
1845         case PACKET3_START_3D_CMDBUF:
1846                 if (p->family >= CHIP_RV770 || pkt->count) {
1847                         DRM_ERROR("bad START_3D\n");
1848                         return -EINVAL;
1849                 }
1850                 break;
1851         case PACKET3_CONTEXT_CONTROL:
1852                 if (pkt->count != 1) {
1853                         DRM_ERROR("bad CONTEXT_CONTROL\n");
1854                         return -EINVAL;
1855                 }
1856                 break;
1857         case PACKET3_INDEX_TYPE:
1858         case PACKET3_NUM_INSTANCES:
1859                 if (pkt->count) {
1860                         DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
1861                         return -EINVAL;
1862                 }
1863                 break;
1864         case PACKET3_DRAW_INDEX:
1865         {
1866                 uint64_t offset;
1867                 if (pkt->count != 3) {
1868                         DRM_ERROR("bad DRAW_INDEX\n");
1869                         return -EINVAL;
1870                 }
1871                 r = r600_cs_packet_next_reloc(p, &reloc);
1872                 if (r) {
1873                         DRM_ERROR("bad DRAW_INDEX\n");
1874                         return -EINVAL;
1875                 }
1876
1877                 offset = reloc->lobj.gpu_offset +
1878                          idx_value +
1879                          ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
1880
1881                 ib[idx+0] = offset;
1882                 ib[idx+1] = upper_32_bits(offset) & 0xff;
1883
1884                 r = r600_cs_track_check(p);
1885                 if (r) {
1886                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1887                         return r;
1888                 }
1889                 break;
1890         }
1891         case PACKET3_DRAW_INDEX_AUTO:
1892                 if (pkt->count != 1) {
1893                         DRM_ERROR("bad DRAW_INDEX_AUTO\n");
1894                         return -EINVAL;
1895                 }
1896                 r = r600_cs_track_check(p);
1897                 if (r) {
1898                         dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
1899                         return r;
1900                 }
1901                 break;
1902         case PACKET3_DRAW_INDEX_IMMD_BE:
1903         case PACKET3_DRAW_INDEX_IMMD:
1904                 if (pkt->count < 2) {
1905                         DRM_ERROR("bad DRAW_INDEX_IMMD\n");
1906                         return -EINVAL;
1907                 }
1908                 r = r600_cs_track_check(p);
1909                 if (r) {
1910                         dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
1911                         return r;
1912                 }
1913                 break;
1914         case PACKET3_WAIT_REG_MEM:
1915                 if (pkt->count != 5) {
1916                         DRM_ERROR("bad WAIT_REG_MEM\n");
1917                         return -EINVAL;
1918                 }
1919                 /* bit 4 is reg (0) or mem (1) */
1920                 if (idx_value & 0x10) {
1921                         uint64_t offset;
1922
1923                         r = r600_cs_packet_next_reloc(p, &reloc);
1924                         if (r) {
1925                                 DRM_ERROR("bad WAIT_REG_MEM\n");
1926                                 return -EINVAL;
1927                         }
1928
1929                         offset = reloc->lobj.gpu_offset +
1930                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
1931                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1932
1933                         ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
1934                         ib[idx+2] = upper_32_bits(offset) & 0xff;
1935                 }
1936                 break;
1937         case PACKET3_SURFACE_SYNC:
1938                 if (pkt->count != 3) {
1939                         DRM_ERROR("bad SURFACE_SYNC\n");
1940                         return -EINVAL;
1941                 }
1942                 /* 0xffffffff/0x0 is flush all cache flag */
1943                 if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
1944                     radeon_get_ib_value(p, idx + 2) != 0) {
1945                         r = r600_cs_packet_next_reloc(p, &reloc);
1946                         if (r) {
1947                                 DRM_ERROR("bad SURFACE_SYNC\n");
1948                                 return -EINVAL;
1949                         }
1950                         ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
1951                 }
1952                 break;
1953         case PACKET3_EVENT_WRITE:
1954                 if (pkt->count != 2 && pkt->count != 0) {
1955                         DRM_ERROR("bad EVENT_WRITE\n");
1956                         return -EINVAL;
1957                 }
1958                 if (pkt->count) {
1959                         uint64_t offset;
1960
1961                         r = r600_cs_packet_next_reloc(p, &reloc);
1962                         if (r) {
1963                                 DRM_ERROR("bad EVENT_WRITE\n");
1964                                 return -EINVAL;
1965                         }
1966                         offset = reloc->lobj.gpu_offset +
1967                                  (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
1968                                  ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1969
1970                         ib[idx+1] = offset & 0xfffffff8;
1971                         ib[idx+2] = upper_32_bits(offset) & 0xff;
1972                 }
1973                 break;
1974         case PACKET3_EVENT_WRITE_EOP:
1975         {
1976                 uint64_t offset;
1977
1978                 if (pkt->count != 4) {
1979                         DRM_ERROR("bad EVENT_WRITE_EOP\n");
1980                         return -EINVAL;
1981                 }
1982                 r = r600_cs_packet_next_reloc(p, &reloc);
1983                 if (r) {
1984                         DRM_ERROR("bad EVENT_WRITE\n");
1985                         return -EINVAL;
1986                 }
1987
1988                 offset = reloc->lobj.gpu_offset +
1989                          (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
1990                          ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
1991
1992                 ib[idx+1] = offset & 0xfffffffc;
1993                 ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
1994                 break;
1995         }
1996         case PACKET3_SET_CONFIG_REG:
1997                 start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
1998                 end_reg = 4 * pkt->count + start_reg - 4;
1999                 if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
2000                     (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
2001                     (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
2002                         DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
2003                         return -EINVAL;
2004                 }
2005                 for (i = 0; i < pkt->count; i++) {
2006                         reg = start_reg + (4 * i);
2007                         r = r600_cs_check_reg(p, reg, idx+1+i);
2008                         if (r)
2009                                 return r;
2010                 }
2011                 break;
2012         case PACKET3_SET_CONTEXT_REG:
2013                 start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
2014                 end_reg = 4 * pkt->count + start_reg - 4;
2015                 if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
2016                     (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
2017                     (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
2018                         DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
2019                         return -EINVAL;
2020                 }
2021                 for (i = 0; i < pkt->count; i++) {
2022                         reg = start_reg + (4 * i);
2023                         r = r600_cs_check_reg(p, reg, idx+1+i);
2024                         if (r)
2025                                 return r;
2026                 }
2027                 break;
2028         case PACKET3_SET_RESOURCE:
2029                 if (pkt->count % 7) {
2030                         DRM_ERROR("bad SET_RESOURCE\n");
2031                         return -EINVAL;
2032                 }
2033                 start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
2034                 end_reg = 4 * pkt->count + start_reg - 4;
2035                 if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
2036                     (start_reg >= PACKET3_SET_RESOURCE_END) ||
2037                     (end_reg >= PACKET3_SET_RESOURCE_END)) {
2038                         DRM_ERROR("bad SET_RESOURCE\n");
2039                         return -EINVAL;
2040                 }
2041                 for (i = 0; i < (pkt->count / 7); i++) {
2042                         struct radeon_bo *texture, *mipmap;
2043                         u32 size, offset, base_offset, mip_offset;
2044
2045                         switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
2046                         case SQ_TEX_VTX_VALID_TEXTURE:
2047                                 /* tex base */
2048                                 r = r600_cs_packet_next_reloc(p, &reloc);
2049                                 if (r) {
2050                                         DRM_ERROR("bad SET_RESOURCE\n");
2051                                         return -EINVAL;
2052                                 }
2053                                 base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2054                                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
2055                                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
2056                                                 ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
2057                                         else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
2058                                                 ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
2059                                 }
2060                                 texture = reloc->robj;
2061                                 /* tex mip base */
2062                                 r = r600_cs_packet_next_reloc(p, &reloc);
2063                                 if (r) {
2064                                         DRM_ERROR("bad SET_RESOURCE\n");
2065                                         return -EINVAL;
2066                                 }
2067                                 mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2068                                 mipmap = reloc->robj;
2069                                 r = r600_check_texture_resource(p,  idx+(i*7)+1,
2070                                                                 texture, mipmap,
2071                                                                 base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
2072                                                                 mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
2073                                                                 reloc->lobj.tiling_flags);
2074                                 if (r)
2075                                         return r;
2076                                 ib[idx+1+(i*7)+2] += base_offset;
2077                                 ib[idx+1+(i*7)+3] += mip_offset;
2078                                 break;
2079                         case SQ_TEX_VTX_VALID_BUFFER:
2080                         {
2081                                 uint64_t offset64;
2082                                 /* vtx base */
2083                                 r = r600_cs_packet_next_reloc(p, &reloc);
2084                                 if (r) {
2085                                         DRM_ERROR("bad SET_RESOURCE\n");
2086                                         return -EINVAL;
2087                                 }
2088                                 offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
2089                                 size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
2090                                 if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
2091                                         /* force size to size of the buffer */
2092                                         dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
2093                                                  size + offset, radeon_bo_size(reloc->robj));
2094                                         ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
2095                                 }
2096
2097                                 offset64 = reloc->lobj.gpu_offset + offset;
2098                                 ib[idx+1+(i*8)+0] = offset64;
2099                                 ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
2100                                                     (upper_32_bits(offset64) & 0xff);
2101                                 break;
2102                         }
2103                         case SQ_TEX_VTX_INVALID_TEXTURE:
2104                         case SQ_TEX_VTX_INVALID_BUFFER:
2105                         default:
2106                                 DRM_ERROR("bad SET_RESOURCE\n");
2107                                 return -EINVAL;
2108                         }
2109                 }
2110                 break;
2111         case PACKET3_SET_ALU_CONST:
2112                 if (track->sq_config & DX9_CONSTS) {
2113                         start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
2114                         end_reg = 4 * pkt->count + start_reg - 4;
2115                         if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
2116                             (start_reg >= PACKET3_SET_ALU_CONST_END) ||
2117                             (end_reg >= PACKET3_SET_ALU_CONST_END)) {
2118                                 DRM_ERROR("bad SET_ALU_CONST\n");
2119                                 return -EINVAL;
2120                         }
2121                 }
2122                 break;
2123         case PACKET3_SET_BOOL_CONST:
2124                 start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
2125                 end_reg = 4 * pkt->count + start_reg - 4;
2126                 if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
2127                     (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
2128                     (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
2129                         DRM_ERROR("bad SET_BOOL_CONST\n");
2130                         return -EINVAL;
2131                 }
2132                 break;
2133         case PACKET3_SET_LOOP_CONST:
2134                 start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
2135                 end_reg = 4 * pkt->count + start_reg - 4;
2136                 if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
2137                     (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
2138                     (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
2139                         DRM_ERROR("bad SET_LOOP_CONST\n");
2140                         return -EINVAL;
2141                 }
2142                 break;
2143         case PACKET3_SET_CTL_CONST:
2144                 start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
2145                 end_reg = 4 * pkt->count + start_reg - 4;
2146                 if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
2147                     (start_reg >= PACKET3_SET_CTL_CONST_END) ||
2148                     (end_reg >= PACKET3_SET_CTL_CONST_END)) {
2149                         DRM_ERROR("bad SET_CTL_CONST\n");
2150                         return -EINVAL;
2151                 }
2152                 break;
2153         case PACKET3_SET_SAMPLER:
2154                 if (pkt->count % 3) {
2155                         DRM_ERROR("bad SET_SAMPLER\n");
2156                         return -EINVAL;
2157                 }
2158                 start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
2159                 end_reg = 4 * pkt->count + start_reg - 4;
2160                 if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
2161                     (start_reg >= PACKET3_SET_SAMPLER_END) ||
2162                     (end_reg >= PACKET3_SET_SAMPLER_END)) {
2163                         DRM_ERROR("bad SET_SAMPLER\n");
2164                         return -EINVAL;
2165                 }
2166                 break;
2167         case PACKET3_STRMOUT_BASE_UPDATE:
2168                 if (p->family < CHIP_RV770) {
2169                         DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
2170                         return -EINVAL;
2171                 }
2172                 if (pkt->count != 1) {
2173                         DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
2174                         return -EINVAL;
2175                 }
2176                 if (idx_value > 3) {
2177                         DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
2178                         return -EINVAL;
2179                 }
2180                 {
2181                         u64 offset;
2182
2183                         r = r600_cs_packet_next_reloc(p, &reloc);
2184                         if (r) {
2185                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
2186                                 return -EINVAL;
2187                         }
2188
2189                         if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
2190                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
2191                                 return -EINVAL;
2192                         }
2193
2194                         offset = radeon_get_ib_value(p, idx+1) << 8;
2195                         if (offset != track->vgt_strmout_bo_offset[idx_value]) {
2196                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
2197                                           offset, track->vgt_strmout_bo_offset[idx_value]);
2198                                 return -EINVAL;
2199                         }
2200
2201                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2202                                 DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
2203                                           offset + 4, radeon_bo_size(reloc->robj));
2204                                 return -EINVAL;
2205                         }
2206                         ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
2207                 }
2208                 break;
2209         case PACKET3_SURFACE_BASE_UPDATE:
2210                 if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
2211                         DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2212                         return -EINVAL;
2213                 }
2214                 if (pkt->count) {
2215                         DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
2216                         return -EINVAL;
2217                 }
2218                 break;
2219         case PACKET3_STRMOUT_BUFFER_UPDATE:
2220                 if (pkt->count != 4) {
2221                         DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
2222                         return -EINVAL;
2223                 }
2224                 /* Updating memory at DST_ADDRESS. */
2225                 if (idx_value & 0x1) {
2226                         u64 offset;
2227                         r = r600_cs_packet_next_reloc(p, &reloc);
2228                         if (r) {
2229                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
2230                                 return -EINVAL;
2231                         }
2232                         offset = radeon_get_ib_value(p, idx+1);
2233                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2234                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2235                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
2236                                           offset + 4, radeon_bo_size(reloc->robj));
2237                                 return -EINVAL;
2238                         }
2239                         offset += reloc->lobj.gpu_offset;
2240                         ib[idx+1] = offset;
2241                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2242                 }
2243                 /* Reading data from SRC_ADDRESS. */
2244                 if (((idx_value >> 1) & 0x3) == 2) {
2245                         u64 offset;
2246                         r = r600_cs_packet_next_reloc(p, &reloc);
2247                         if (r) {
2248                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
2249                                 return -EINVAL;
2250                         }
2251                         offset = radeon_get_ib_value(p, idx+3);
2252                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2253                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2254                                 DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
2255                                           offset + 4, radeon_bo_size(reloc->robj));
2256                                 return -EINVAL;
2257                         }
2258                         offset += reloc->lobj.gpu_offset;
2259                         ib[idx+3] = offset;
2260                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2261                 }
2262                 break;
2263         case PACKET3_COPY_DW:
2264                 if (pkt->count != 4) {
2265                         DRM_ERROR("bad COPY_DW (invalid count)\n");
2266                         return -EINVAL;
2267                 }
2268                 if (idx_value & 0x1) {
2269                         u64 offset;
2270                         /* SRC is memory. */
2271                         r = r600_cs_packet_next_reloc(p, &reloc);
2272                         if (r) {
2273                                 DRM_ERROR("bad COPY_DW (missing src reloc)\n");
2274                                 return -EINVAL;
2275                         }
2276                         offset = radeon_get_ib_value(p, idx+1);
2277                         offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
2278                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2279                                 DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
2280                                           offset + 4, radeon_bo_size(reloc->robj));
2281                                 return -EINVAL;
2282                         }
2283                         offset += reloc->lobj.gpu_offset;
2284                         ib[idx+1] = offset;
2285                         ib[idx+2] = upper_32_bits(offset) & 0xff;
2286                 } else {
2287                         /* SRC is a reg. */
2288                         reg = radeon_get_ib_value(p, idx+1) << 2;
2289                         if (!r600_is_safe_reg(p, reg, idx+1))
2290                                 return -EINVAL;
2291                 }
2292                 if (idx_value & 0x2) {
2293                         u64 offset;
2294                         /* DST is memory. */
2295                         r = r600_cs_packet_next_reloc(p, &reloc);
2296                         if (r) {
2297                                 DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
2298                                 return -EINVAL;
2299                         }
2300                         offset = radeon_get_ib_value(p, idx+3);
2301                         offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
2302                         if ((offset + 4) > radeon_bo_size(reloc->robj)) {
2303                                 DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
2304                                           offset + 4, radeon_bo_size(reloc->robj));
2305                                 return -EINVAL;
2306                         }
2307                         offset += reloc->lobj.gpu_offset;
2308                         ib[idx+3] = offset;
2309                         ib[idx+4] = upper_32_bits(offset) & 0xff;
2310                 } else {
2311                         /* DST is a reg. */
2312                         reg = radeon_get_ib_value(p, idx+3) << 2;
2313                         if (!r600_is_safe_reg(p, reg, idx+3))
2314                                 return -EINVAL;
2315                 }
2316                 break;
2317         case PACKET3_NOP:
2318                 break;
2319         default:
2320                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2321                 return -EINVAL;
2322         }
2323         return 0;
2324 }
2325
2326 int r600_cs_parse(struct radeon_cs_parser *p)
2327 {
2328         struct radeon_cs_packet pkt;
2329         struct r600_cs_track *track;
2330         int r;
2331
2332         if (p->track == NULL) {
2333                 /* initialize tracker, we are in kms */
2334                 track = kzalloc(sizeof(*track), GFP_KERNEL);
2335                 if (track == NULL)
2336                         return -ENOMEM;
2337                 r600_cs_track_init(track);
2338                 if (p->rdev->family < CHIP_RV770) {
2339                         track->npipes = p->rdev->config.r600.tiling_npipes;
2340                         track->nbanks = p->rdev->config.r600.tiling_nbanks;
2341                         track->group_size = p->rdev->config.r600.tiling_group_size;
2342                 } else if (p->rdev->family <= CHIP_RV740) {
2343                         track->npipes = p->rdev->config.rv770.tiling_npipes;
2344                         track->nbanks = p->rdev->config.rv770.tiling_nbanks;
2345                         track->group_size = p->rdev->config.rv770.tiling_group_size;
2346                 }
2347                 p->track = track;
2348         }
2349         do {
2350                 r = r600_cs_packet_parse(p, &pkt, p->idx);
2351                 if (r) {
2352                         kfree(p->track);
2353                         p->track = NULL;
2354                         return r;
2355                 }
2356                 p->idx += pkt.count + 2;
2357                 switch (pkt.type) {
2358                 case PACKET_TYPE0:
2359                         r = r600_cs_parse_packet0(p, &pkt);
2360                         break;
2361                 case PACKET_TYPE2:
2362                         break;
2363                 case PACKET_TYPE3:
2364                         r = r600_packet3_check(p, &pkt);
2365                         break;
2366                 default:
2367                         DRM_ERROR("Unknown packet type %d !\n", pkt.type);
2368                         kfree(p->track);
2369                         p->track = NULL;
2370                         return -EINVAL;
2371                 }
2372                 if (r) {
2373                         kfree(p->track);
2374                         p->track = NULL;
2375                         return r;
2376                 }
2377         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2378 #if 0
2379         for (r = 0; r < p->ib.length_dw; r++) {
2380                 printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
2381                 mdelay(1);
2382         }
2383 #endif
2384         kfree(p->track);
2385         p->track = NULL;
2386         return 0;
2387 }
2388
2389 static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
2390 {
2391         if (p->chunk_relocs_idx == -1) {
2392                 return 0;
2393         }
2394         p->relocs = kzalloc(sizeof(struct radeon_cs_reloc), GFP_KERNEL);
2395         if (p->relocs == NULL) {
2396                 return -ENOMEM;
2397         }
2398         return 0;
2399 }
2400
2401 /**
2402  * cs_parser_fini() - clean parser states
2403  * @parser:     parser structure holding parsing context.
2404  * @error:      error number
2405  *
2406  * If error is set than unvalidate buffer, otherwise just free memory
2407  * used by parsing context.
2408  **/
2409 static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
2410 {
2411         unsigned i;
2412
2413         kfree(parser->relocs);
2414         for (i = 0; i < parser->nchunks; i++) {
2415                 kfree(parser->chunks[i].kdata);
2416                 kfree(parser->chunks[i].kpage[0]);
2417                 kfree(parser->chunks[i].kpage[1]);
2418         }
2419         kfree(parser->chunks);
2420         kfree(parser->chunks_array);
2421 }
2422
2423 int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
2424                         unsigned family, u32 *ib, int *l)
2425 {
2426         struct radeon_cs_parser parser;
2427         struct radeon_cs_chunk *ib_chunk;
2428         struct r600_cs_track *track;
2429         int r;
2430
2431         /* initialize tracker */
2432         track = kzalloc(sizeof(*track), GFP_KERNEL);
2433         if (track == NULL)
2434                 return -ENOMEM;
2435         r600_cs_track_init(track);
2436         r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
2437         /* initialize parser */
2438         memset(&parser, 0, sizeof(struct radeon_cs_parser));
2439         parser.filp = filp;
2440         parser.dev = &dev->pdev->dev;
2441         parser.rdev = NULL;
2442         parser.family = family;
2443         parser.track = track;
2444         parser.ib.ptr = ib;
2445         r = radeon_cs_parser_init(&parser, data);
2446         if (r) {
2447                 DRM_ERROR("Failed to initialize parser !\n");
2448                 r600_cs_parser_fini(&parser, r);
2449                 return r;
2450         }
2451         r = r600_cs_parser_relocs_legacy(&parser);
2452         if (r) {
2453                 DRM_ERROR("Failed to parse relocation !\n");
2454                 r600_cs_parser_fini(&parser, r);
2455                 return r;
2456         }
2457         /* Copy the packet into the IB, the parser will read from the
2458          * input memory (cached) and write to the IB (which can be
2459          * uncached). */
2460         ib_chunk = &parser.chunks[parser.chunk_ib_idx];
2461         parser.ib.length_dw = ib_chunk->length_dw;
2462         *l = parser.ib.length_dw;
2463         r = r600_cs_parse(&parser);
2464         if (r) {
2465                 DRM_ERROR("Invalid command stream !\n");
2466                 r600_cs_parser_fini(&parser, r);
2467                 return r;
2468         }
2469         r = radeon_cs_finish_pages(&parser);
2470         if (r) {
2471                 DRM_ERROR("Invalid command stream !\n");
2472                 r600_cs_parser_fini(&parser, r);
2473                 return r;
2474         }
2475         r600_cs_parser_fini(&parser, r);
2476         return r;
2477 }
2478
2479 void r600_cs_legacy_init(void)
2480 {
2481         r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm;
2482 }