case RADEON_TXFORMAT_ARGB4444:
                case RADEON_TXFORMAT_VYUY422:
                case RADEON_TXFORMAT_YVYU422:
-               case RADEON_TXFORMAT_DXT1:
                case RADEON_TXFORMAT_SHADOW16:
                case RADEON_TXFORMAT_LDUDV655:
                case RADEON_TXFORMAT_DUDV88:
                        break;
                case RADEON_TXFORMAT_ARGB8888:
                case RADEON_TXFORMAT_RGBA8888:
-               case RADEON_TXFORMAT_DXT23:
-               case RADEON_TXFORMAT_DXT45:
                case RADEON_TXFORMAT_SHADOW32:
                case RADEON_TXFORMAT_LDUDUV8888:
                        track->textures[i].cpp = 4;
                        break;
+               case RADEON_TXFORMAT_DXT1:
+                       track->textures[i].cpp = 1;
+                       track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
+                       break;
+               case RADEON_TXFORMAT_DXT23:
+               case RADEON_TXFORMAT_DXT45:
+                       track->textures[i].cpp = 1;
+                       track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
+                       break;
                }
                track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
                track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
        DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
        DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
        DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
+       DRM_ERROR("compress format            %d\n", t->compress_format);
 }
 
 static int r100_cs_track_cube(struct radeon_device *rdev,
        return 0;
 }
 
+static int r100_track_compress_size(int compress_format, int w, int h)
+{
+       int block_width, block_height, block_bytes;
+       int wblocks, hblocks;
+       int min_wblocks;
+       int sz;
+
+       block_width = 4;
+       block_height = 4;
+
+       switch (compress_format) {
+       case R100_TRACK_COMP_DXT1:
+               block_bytes = 8;
+               min_wblocks = 4;
+               break;
+       default:
+       case R100_TRACK_COMP_DXT35:
+               block_bytes = 16;
+               min_wblocks = 2;
+               break;
+       }
+
+       hblocks = (h + block_height - 1) / block_height;
+       wblocks = (w + block_width - 1) / block_width;
+       if (wblocks < min_wblocks)
+               wblocks = min_wblocks;
+       sz = wblocks * hblocks * block_bytes;
+       return sz;
+}
+
 static int r100_cs_track_texture_check(struct radeon_device *rdev,
                                       struct r100_cs_track *track)
 {
                        h = h / (1 << i);
                        if (track->textures[u].roundup_h)
                                h = roundup_pow_of_two(h);
-                       size += w * h;
+                       if (track->textures[u].compress_format) {
+
+                               size += r100_track_compress_size(track->textures[u].compress_format, w, h);
+                               /* compressed textures are block based */
+                       } else
+                               size += w * h;
                }
                size *= track->textures[u].cpp;
+
                switch (track->textures[u].tex_coord_type) {
                case 0:
                        break;
                track->arrays[i].esize = 0x7F;
        }
        for (i = 0; i < track->num_texture; i++) {
+               track->textures[i].compress_format = R100_TRACK_COMP_NONE;
                track->textures[i].pitch = 16536;
                track->textures[i].width = 16536;
                track->textures[i].height = 16536;
 
                case R200_TXFORMAT_Y8:
                        track->textures[i].cpp = 1;
                        break;
-               case R200_TXFORMAT_DXT1:
                case R200_TXFORMAT_AI88:
                case R200_TXFORMAT_ARGB1555:
                case R200_TXFORMAT_RGB565:
                case R200_TXFORMAT_ABGR8888:
                case R200_TXFORMAT_BGR111110:
                case R200_TXFORMAT_LDVDU8888:
+                       track->textures[i].cpp = 4;
+                       break;
+               case R200_TXFORMAT_DXT1:
+                       track->textures[i].cpp = 1;
+                       track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
+                       break;
                case R200_TXFORMAT_DXT23:
                case R200_TXFORMAT_DXT45:
-                       track->textures[i].cpp = 4;
+                       track->textures[i].cpp = 1;
+                       track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
                        break;
                }
                track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
 
                case R300_TX_FORMAT_Z6Y5X5:
                case R300_TX_FORMAT_W4Z4Y4X4:
                case R300_TX_FORMAT_W1Z5Y5X5:
-               case R300_TX_FORMAT_DXT1:
                case R300_TX_FORMAT_D3DMFT_CxV8U8:
                case R300_TX_FORMAT_B8G8_B8G8:
                case R300_TX_FORMAT_G8R8_G8B8:
                case 0x17:
                case R300_TX_FORMAT_FL_I32:
                case 0x1e:
-               case R300_TX_FORMAT_DXT3:
-               case R300_TX_FORMAT_DXT5:
                        track->textures[i].cpp = 4;
                        break;
                case R300_TX_FORMAT_W16Z16Y16X16:
                case R300_TX_FORMAT_FL_R32G32B32A32:
                        track->textures[i].cpp = 16;
                        break;
+               case R300_TX_FORMAT_DXT1:
+                       track->textures[i].cpp = 1;
+                       track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
+                       break;
+               case R300_TX_FORMAT_DXT3:
+               case R300_TX_FORMAT_DXT5:
+                       track->textures[i].cpp = 1;
+                       track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
+                       break;
                default:
                        DRM_ERROR("Invalid texture format %u\n",
                                  (idx_value & 0x1F));