linux/drivers/gpu/drm/radeon/r200.c
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   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 <drm/drmP.h>
  29#include <drm/radeon_drm.h>
  30#include "radeon_reg.h"
  31#include "radeon.h"
  32#include "radeon_asic.h"
  33
  34#include "r100d.h"
  35#include "r200_reg_safe.h"
  36
  37#include "r100_track.h"
  38
  39static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
  40{
  41        int vtx_size, i;
  42        vtx_size = 2;
  43
  44        if (vtx_fmt_0 & R200_VTX_Z0)
  45                vtx_size++;
  46        if (vtx_fmt_0 & R200_VTX_W0)
  47                vtx_size++;
  48        /* blend weight */
  49        if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
  50                vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
  51        if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
  52                vtx_size++;
  53        if (vtx_fmt_0 & R200_VTX_N0)
  54                vtx_size += 3;
  55        if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
  56                vtx_size++;
  57        if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
  58                vtx_size++;
  59        if (vtx_fmt_0 & R200_VTX_SHININESS_0)
  60                vtx_size++;
  61        if (vtx_fmt_0 & R200_VTX_SHININESS_1)
  62                vtx_size++;
  63        for (i = 0; i < 8; i++) {
  64                int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
  65                switch (color_size) {
  66                case 0: break;
  67                case 1: vtx_size++; break;
  68                case 2: vtx_size += 3; break;
  69                case 3: vtx_size += 4; break;
  70                }
  71        }
  72        if (vtx_fmt_0 & R200_VTX_XY1)
  73                vtx_size += 2;
  74        if (vtx_fmt_0 & R200_VTX_Z1)
  75                vtx_size++;
  76        if (vtx_fmt_0 & R200_VTX_W1)
  77                vtx_size++;
  78        if (vtx_fmt_0 & R200_VTX_N1)
  79                vtx_size += 3;
  80        return vtx_size;
  81}
  82
  83int r200_copy_dma(struct radeon_device *rdev,
  84                  uint64_t src_offset,
  85                  uint64_t dst_offset,
  86                  unsigned num_gpu_pages,
  87                  struct radeon_fence **fence)
  88{
  89        struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
  90        uint32_t size;
  91        uint32_t cur_size;
  92        int i, num_loops;
  93        int r = 0;
  94
  95        /* radeon pitch is /64 */
  96        size = num_gpu_pages << RADEON_GPU_PAGE_SHIFT;
  97        num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
  98        r = radeon_ring_lock(rdev, ring, num_loops * 4 + 64);
  99        if (r) {
 100                DRM_ERROR("radeon: moving bo (%d).\n", r);
 101                return r;
 102        }
 103        /* Must wait for 2D idle & clean before DMA or hangs might happen */
 104        radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 105        radeon_ring_write(ring, (1 << 16));
 106        for (i = 0; i < num_loops; i++) {
 107                cur_size = size;
 108                if (cur_size > 0x1FFFFF) {
 109                        cur_size = 0x1FFFFF;
 110                }
 111                size -= cur_size;
 112                radeon_ring_write(ring, PACKET0(0x720, 2));
 113                radeon_ring_write(ring, src_offset);
 114                radeon_ring_write(ring, dst_offset);
 115                radeon_ring_write(ring, cur_size | (1 << 31) | (1 << 30));
 116                src_offset += cur_size;
 117                dst_offset += cur_size;
 118        }
 119        radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 120        radeon_ring_write(ring, RADEON_WAIT_DMA_GUI_IDLE);
 121        if (fence) {
 122                r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX);
 123        }
 124        radeon_ring_unlock_commit(rdev, ring);
 125        return r;
 126}
 127
 128
 129static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
 130{
 131        int vtx_size, i, tex_size;
 132        vtx_size = 0;
 133        for (i = 0; i < 6; i++) {
 134                tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
 135                if (tex_size > 4)
 136                        continue;
 137                vtx_size += tex_size;
 138        }
 139        return vtx_size;
 140}
 141
 142int r200_packet0_check(struct radeon_cs_parser *p,
 143                       struct radeon_cs_packet *pkt,
 144                       unsigned idx, unsigned reg)
 145{
 146        struct radeon_cs_reloc *reloc;
 147        struct r100_cs_track *track;
 148        volatile uint32_t *ib;
 149        uint32_t tmp;
 150        int r;
 151        int i;
 152        int face;
 153        u32 tile_flags = 0;
 154        u32 idx_value;
 155
 156        ib = p->ib.ptr;
 157        track = (struct r100_cs_track *)p->track;
 158        idx_value = radeon_get_ib_value(p, idx);
 159        switch (reg) {
 160        case RADEON_CRTC_GUI_TRIG_VLINE:
 161                r = r100_cs_packet_parse_vline(p);
 162                if (r) {
 163                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 164                                  idx, reg);
 165                        radeon_cs_dump_packet(p, pkt);
 166                        return r;
 167                }
 168                break;
 169                /* FIXME: only allow PACKET3 blit? easier to check for out of
 170                 * range access */
 171        case RADEON_DST_PITCH_OFFSET:
 172        case RADEON_SRC_PITCH_OFFSET:
 173                r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 174                if (r)
 175                        return r;
 176                break;
 177        case RADEON_RB3D_DEPTHOFFSET:
 178                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 179                if (r) {
 180                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 181                                  idx, reg);
 182                        radeon_cs_dump_packet(p, pkt);
 183                        return r;
 184                }
 185                track->zb.robj = reloc->robj;
 186                track->zb.offset = idx_value;
 187                track->zb_dirty = true;
 188                ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 189                break;
 190        case RADEON_RB3D_COLOROFFSET:
 191                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 192                if (r) {
 193                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 194                                  idx, reg);
 195                        radeon_cs_dump_packet(p, pkt);
 196                        return r;
 197                }
 198                track->cb[0].robj = reloc->robj;
 199                track->cb[0].offset = idx_value;
 200                track->cb_dirty = true;
 201                ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 202                break;
 203        case R200_PP_TXOFFSET_0:
 204        case R200_PP_TXOFFSET_1:
 205        case R200_PP_TXOFFSET_2:
 206        case R200_PP_TXOFFSET_3:
 207        case R200_PP_TXOFFSET_4:
 208        case R200_PP_TXOFFSET_5:
 209                i = (reg - R200_PP_TXOFFSET_0) / 24;
 210                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 211                if (r) {
 212                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 213                                  idx, reg);
 214                        radeon_cs_dump_packet(p, pkt);
 215                        return r;
 216                }
 217                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 218                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 219                                tile_flags |= R200_TXO_MACRO_TILE;
 220                        if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 221                                tile_flags |= R200_TXO_MICRO_TILE;
 222
 223                        tmp = idx_value & ~(0x7 << 2);
 224                        tmp |= tile_flags;
 225                        ib[idx] = tmp + ((u32)reloc->lobj.gpu_offset);
 226                } else
 227                        ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 228                track->textures[i].robj = reloc->robj;
 229                track->tex_dirty = true;
 230                break;
 231        case R200_PP_CUBIC_OFFSET_F1_0:
 232        case R200_PP_CUBIC_OFFSET_F2_0:
 233        case R200_PP_CUBIC_OFFSET_F3_0:
 234        case R200_PP_CUBIC_OFFSET_F4_0:
 235        case R200_PP_CUBIC_OFFSET_F5_0:
 236        case R200_PP_CUBIC_OFFSET_F1_1:
 237        case R200_PP_CUBIC_OFFSET_F2_1:
 238        case R200_PP_CUBIC_OFFSET_F3_1:
 239        case R200_PP_CUBIC_OFFSET_F4_1:
 240        case R200_PP_CUBIC_OFFSET_F5_1:
 241        case R200_PP_CUBIC_OFFSET_F1_2:
 242        case R200_PP_CUBIC_OFFSET_F2_2:
 243        case R200_PP_CUBIC_OFFSET_F3_2:
 244        case R200_PP_CUBIC_OFFSET_F4_2:
 245        case R200_PP_CUBIC_OFFSET_F5_2:
 246        case R200_PP_CUBIC_OFFSET_F1_3:
 247        case R200_PP_CUBIC_OFFSET_F2_3:
 248        case R200_PP_CUBIC_OFFSET_F3_3:
 249        case R200_PP_CUBIC_OFFSET_F4_3:
 250        case R200_PP_CUBIC_OFFSET_F5_3:
 251        case R200_PP_CUBIC_OFFSET_F1_4:
 252        case R200_PP_CUBIC_OFFSET_F2_4:
 253        case R200_PP_CUBIC_OFFSET_F3_4:
 254        case R200_PP_CUBIC_OFFSET_F4_4:
 255        case R200_PP_CUBIC_OFFSET_F5_4:
 256        case R200_PP_CUBIC_OFFSET_F1_5:
 257        case R200_PP_CUBIC_OFFSET_F2_5:
 258        case R200_PP_CUBIC_OFFSET_F3_5:
 259        case R200_PP_CUBIC_OFFSET_F4_5:
 260        case R200_PP_CUBIC_OFFSET_F5_5:
 261                i = (reg - R200_PP_TXOFFSET_0) / 24;
 262                face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
 263                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 264                if (r) {
 265                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 266                                  idx, reg);
 267                        radeon_cs_dump_packet(p, pkt);
 268                        return r;
 269                }
 270                track->textures[i].cube_info[face - 1].offset = idx_value;
 271                ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 272                track->textures[i].cube_info[face - 1].robj = reloc->robj;
 273                track->tex_dirty = true;
 274                break;
 275        case RADEON_RE_WIDTH_HEIGHT:
 276                track->maxy = ((idx_value >> 16) & 0x7FF);
 277                track->cb_dirty = true;
 278                track->zb_dirty = true;
 279                break;
 280        case RADEON_RB3D_COLORPITCH:
 281                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 282                if (r) {
 283                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 284                                  idx, reg);
 285                        radeon_cs_dump_packet(p, pkt);
 286                        return r;
 287                }
 288
 289                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 290                        if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 291                                tile_flags |= RADEON_COLOR_TILE_ENABLE;
 292                        if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 293                                tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
 294
 295                        tmp = idx_value & ~(0x7 << 16);
 296                        tmp |= tile_flags;
 297                        ib[idx] = tmp;
 298                } else
 299                        ib[idx] = idx_value;
 300
 301                track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
 302                track->cb_dirty = true;
 303                break;
 304        case RADEON_RB3D_DEPTHPITCH:
 305                track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
 306                track->zb_dirty = true;
 307                break;
 308        case RADEON_RB3D_CNTL:
 309                switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
 310                case 7:
 311                case 8:
 312                case 9:
 313                case 11:
 314                case 12:
 315                        track->cb[0].cpp = 1;
 316                        break;
 317                case 3:
 318                case 4:
 319                case 15:
 320                        track->cb[0].cpp = 2;
 321                        break;
 322                case 6:
 323                        track->cb[0].cpp = 4;
 324                        break;
 325                default:
 326                        DRM_ERROR("Invalid color buffer format (%d) !\n",
 327                                  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
 328                        return -EINVAL;
 329                }
 330                if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
 331                        DRM_ERROR("No support for depth xy offset in kms\n");
 332                        return -EINVAL;
 333                }
 334
 335                track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
 336                track->cb_dirty = true;
 337                track->zb_dirty = true;
 338                break;
 339        case RADEON_RB3D_ZSTENCILCNTL:
 340                switch (idx_value & 0xf) {
 341                case 0:
 342                        track->zb.cpp = 2;
 343                        break;
 344                case 2:
 345                case 3:
 346                case 4:
 347                case 5:
 348                case 9:
 349                case 11:
 350                        track->zb.cpp = 4;
 351                        break;
 352                default:
 353                        break;
 354                }
 355                track->zb_dirty = true;
 356                break;
 357        case RADEON_RB3D_ZPASS_ADDR:
 358                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 359                if (r) {
 360                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 361                                  idx, reg);
 362                        radeon_cs_dump_packet(p, pkt);
 363                        return r;
 364                }
 365                ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 366                break;
 367        case RADEON_PP_CNTL:
 368                {
 369                        uint32_t temp = idx_value >> 4;
 370                        for (i = 0; i < track->num_texture; i++)
 371                                track->textures[i].enabled = !!(temp & (1 << i));
 372                        track->tex_dirty = true;
 373                }
 374                break;
 375        case RADEON_SE_VF_CNTL:
 376                track->vap_vf_cntl = idx_value;
 377                break;
 378        case 0x210c:
 379                /* VAP_VF_MAX_VTX_INDX */
 380                track->max_indx = idx_value & 0x00FFFFFFUL;
 381                break;
 382        case R200_SE_VTX_FMT_0:
 383                track->vtx_size = r200_get_vtx_size_0(idx_value);
 384                break;
 385        case R200_SE_VTX_FMT_1:
 386                track->vtx_size += r200_get_vtx_size_1(idx_value);
 387                break;
 388        case R200_PP_TXSIZE_0:
 389        case R200_PP_TXSIZE_1:
 390        case R200_PP_TXSIZE_2:
 391        case R200_PP_TXSIZE_3:
 392        case R200_PP_TXSIZE_4:
 393        case R200_PP_TXSIZE_5:
 394                i = (reg - R200_PP_TXSIZE_0) / 32;
 395                track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
 396                track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
 397                track->tex_dirty = true;
 398                break;
 399        case R200_PP_TXPITCH_0:
 400        case R200_PP_TXPITCH_1:
 401        case R200_PP_TXPITCH_2:
 402        case R200_PP_TXPITCH_3:
 403        case R200_PP_TXPITCH_4:
 404        case R200_PP_TXPITCH_5:
 405                i = (reg - R200_PP_TXPITCH_0) / 32;
 406                track->textures[i].pitch = idx_value + 32;
 407                track->tex_dirty = true;
 408                break;
 409        case R200_PP_TXFILTER_0:
 410        case R200_PP_TXFILTER_1:
 411        case R200_PP_TXFILTER_2:
 412        case R200_PP_TXFILTER_3:
 413        case R200_PP_TXFILTER_4:
 414        case R200_PP_TXFILTER_5:
 415                i = (reg - R200_PP_TXFILTER_0) / 32;
 416                track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
 417                                                 >> R200_MAX_MIP_LEVEL_SHIFT);
 418                tmp = (idx_value >> 23) & 0x7;
 419                if (tmp == 2 || tmp == 6)
 420                        track->textures[i].roundup_w = false;
 421                tmp = (idx_value >> 27) & 0x7;
 422                if (tmp == 2 || tmp == 6)
 423                        track->textures[i].roundup_h = false;
 424                track->tex_dirty = true;
 425                break;
 426        case R200_PP_TXMULTI_CTL_0:
 427        case R200_PP_TXMULTI_CTL_1:
 428        case R200_PP_TXMULTI_CTL_2:
 429        case R200_PP_TXMULTI_CTL_3:
 430        case R200_PP_TXMULTI_CTL_4:
 431        case R200_PP_TXMULTI_CTL_5:
 432                i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
 433                break;
 434        case R200_PP_TXFORMAT_X_0:
 435        case R200_PP_TXFORMAT_X_1:
 436        case R200_PP_TXFORMAT_X_2:
 437        case R200_PP_TXFORMAT_X_3:
 438        case R200_PP_TXFORMAT_X_4:
 439        case R200_PP_TXFORMAT_X_5:
 440                i = (reg - R200_PP_TXFORMAT_X_0) / 32;
 441                track->textures[i].txdepth = idx_value & 0x7;
 442                tmp = (idx_value >> 16) & 0x3;
 443                /* 2D, 3D, CUBE */
 444                switch (tmp) {
 445                case 0:
 446                case 3:
 447                case 4:
 448                case 5:
 449                case 6:
 450                case 7:
 451                        /* 1D/2D */
 452                        track->textures[i].tex_coord_type = 0;
 453                        break;
 454                case 1:
 455                        /* CUBE */
 456                        track->textures[i].tex_coord_type = 2;
 457                        break;
 458                case 2:
 459                        /* 3D */
 460                        track->textures[i].tex_coord_type = 1;
 461                        break;
 462                }
 463                track->tex_dirty = true;
 464                break;
 465        case R200_PP_TXFORMAT_0:
 466        case R200_PP_TXFORMAT_1:
 467        case R200_PP_TXFORMAT_2:
 468        case R200_PP_TXFORMAT_3:
 469        case R200_PP_TXFORMAT_4:
 470        case R200_PP_TXFORMAT_5:
 471                i = (reg - R200_PP_TXFORMAT_0) / 32;
 472                if (idx_value & R200_TXFORMAT_NON_POWER2) {
 473                        track->textures[i].use_pitch = 1;
 474                } else {
 475                        track->textures[i].use_pitch = 0;
 476                        track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
 477                        track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
 478                }
 479                if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
 480                        track->textures[i].lookup_disable = true;
 481                switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
 482                case R200_TXFORMAT_I8:
 483                case R200_TXFORMAT_RGB332:
 484                case R200_TXFORMAT_Y8:
 485                        track->textures[i].cpp = 1;
 486                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 487                        break;
 488                case R200_TXFORMAT_AI88:
 489                case R200_TXFORMAT_ARGB1555:
 490                case R200_TXFORMAT_RGB565:
 491                case R200_TXFORMAT_ARGB4444:
 492                case R200_TXFORMAT_VYUY422:
 493                case R200_TXFORMAT_YVYU422:
 494                case R200_TXFORMAT_LDVDU655:
 495                case R200_TXFORMAT_DVDU88:
 496                case R200_TXFORMAT_AVYU4444:
 497                        track->textures[i].cpp = 2;
 498                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 499                        break;
 500                case R200_TXFORMAT_ARGB8888:
 501                case R200_TXFORMAT_RGBA8888:
 502                case R200_TXFORMAT_ABGR8888:
 503                case R200_TXFORMAT_BGR111110:
 504                case R200_TXFORMAT_LDVDU8888:
 505                        track->textures[i].cpp = 4;
 506                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 507                        break;
 508                case R200_TXFORMAT_DXT1:
 509                        track->textures[i].cpp = 1;
 510                        track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 511                        break;
 512                case R200_TXFORMAT_DXT23:
 513                case R200_TXFORMAT_DXT45:
 514                        track->textures[i].cpp = 1;
 515                        track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 516                        break;
 517                }
 518                track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
 519                track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
 520                track->tex_dirty = true;
 521                break;
 522        case R200_PP_CUBIC_FACES_0:
 523        case R200_PP_CUBIC_FACES_1:
 524        case R200_PP_CUBIC_FACES_2:
 525        case R200_PP_CUBIC_FACES_3:
 526        case R200_PP_CUBIC_FACES_4:
 527        case R200_PP_CUBIC_FACES_5:
 528                tmp = idx_value;
 529                i = (reg - R200_PP_CUBIC_FACES_0) / 32;
 530                for (face = 0; face < 4; face++) {
 531                        track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
 532                        track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
 533                }
 534                track->tex_dirty = true;
 535                break;
 536        default:
 537                printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
 538                       reg, idx);
 539                return -EINVAL;
 540        }
 541        return 0;
 542}
 543
 544void r200_set_safe_registers(struct radeon_device *rdev)
 545{
 546        rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
 547        rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
 548}
 549