| 2328,101 → 2328,6 |
|---|
| return 0; |
| } |
| |
| #ifdef CONFIG_DRM_RADEON_UMS |
| |
| /** |
| * cs_parser_fini() - clean parser states |
| * @parser: parser structure holding parsing context. |
| * @error: error number |
| * |
| * If error is set than unvalidate buffer, otherwise just free memory |
| * used by parsing context. |
| **/ |
| static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error) |
| { |
| unsigned i; |
| |
| kfree(parser->relocs); |
| for (i = 0; i < parser->nchunks; i++) |
| drm_free_large(parser->chunks[i].kdata); |
| kfree(parser->chunks); |
| kfree(parser->chunks_array); |
| } |
| |
| static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p) |
| { |
| if (p->chunk_relocs == NULL) { |
| return 0; |
| } |
| p->relocs = kzalloc(sizeof(struct radeon_bo_list), GFP_KERNEL); |
| if (p->relocs == NULL) { |
| return -ENOMEM; |
| } |
| return 0; |
| } |
| |
| int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp, |
| unsigned family, u32 *ib, int *l) |
| { |
| struct radeon_cs_parser parser; |
| struct radeon_cs_chunk *ib_chunk; |
| struct r600_cs_track *track; |
| int r; |
| |
| /* initialize tracker */ |
| track = kzalloc(sizeof(*track), GFP_KERNEL); |
| if (track == NULL) |
| return -ENOMEM; |
| r600_cs_track_init(track); |
| r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size); |
| /* initialize parser */ |
| memset(&parser, 0, sizeof(struct radeon_cs_parser)); |
| parser.filp = filp; |
| parser.dev = &dev->pdev->dev; |
| parser.rdev = NULL; |
| parser.family = family; |
| parser.track = track; |
| parser.ib.ptr = ib; |
| r = radeon_cs_parser_init(&parser, data); |
| if (r) { |
| DRM_ERROR("Failed to initialize parser !\n"); |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| r = r600_cs_parser_relocs_legacy(&parser); |
| if (r) { |
| DRM_ERROR("Failed to parse relocation !\n"); |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| /* Copy the packet into the IB, the parser will read from the |
| * input memory (cached) and write to the IB (which can be |
| * uncached). */ |
| ib_chunk = parser.chunk_ib; |
| parser.ib.length_dw = ib_chunk->length_dw; |
| *l = parser.ib.length_dw; |
| if (copy_from_user(ib, ib_chunk->user_ptr, ib_chunk->length_dw * 4)) { |
| r = -EFAULT; |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| r = r600_cs_parse(&parser); |
| if (r) { |
| DRM_ERROR("Invalid command stream !\n"); |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| |
| void r600_cs_legacy_init(void) |
| { |
| r600_nomm = 1; |
| } |
| |
| #endif |
| |
| /* |
| * DMA |
| */ |