int radeon_cs_parser_relocs(struct radeon_cs_parser *p) { struct drm_device *ddev = p->rdev->ddev; struct radeon_cs_chunk *chunk; unsigned i, j; bool duplicate; if (p->chunk_relocs_idx == -1) { return 0; } chunk = &p->chunks[p->chunk_relocs_idx]; /* FIXME: we assume that each relocs use 4 dwords */ p->nrelocs = chunk->length_dw / 4; p->relocs_ptr = kcalloc(p->nrelocs, sizeof(void *), GFP_KERNEL); if (p->relocs_ptr == NULL) { return -ENOMEM; } p->relocs = kcalloc(p->nrelocs, sizeof(struct radeon_cs_reloc), GFP_KERNEL); if (p->relocs == NULL) { return -ENOMEM; } for (i = 0; i < p->nrelocs; i++) { struct drm_radeon_cs_reloc *r; duplicate = false; r = (struct drm_radeon_cs_reloc *)&chunk->kdata[i*4]; for (j = 0; j < p->nrelocs; j++) { if (r->handle == p->relocs[j].handle) { p->relocs_ptr[i] = &p->relocs[j]; duplicate = true; break; } } if (!duplicate) { p->relocs[i].gobj = drm_gem_object_lookup(ddev, p->filp, r->handle); if (p->relocs[i].gobj == NULL) { DRM_ERROR("gem object lookup failed 0x%x\n", r->handle); return -ENOENT; } p->relocs_ptr[i] = &p->relocs[i]; p->relocs[i].robj = gem_to_radeon_bo(p->relocs[i].gobj); p->relocs[i].lobj.bo = p->relocs[i].robj; p->relocs[i].lobj.wdomain = r->write_domain; p->relocs[i].lobj.rdomain = r->read_domains; p->relocs[i].lobj.tv.bo = &p->relocs[i].robj->tbo; p->relocs[i].handle = r->handle; p->relocs[i].flags = r->flags; radeon_bo_list_add_object(&p->relocs[i].lobj, &p->validated); } } return radeon_bo_list_validate(&p->validated); }
static int radeon_cs_parser_relocs(struct radeon_cs_parser *p) { struct drm_device *ddev = p->rdev->ddev; struct radeon_cs_chunk *chunk; struct radeon_cs_buckets buckets; unsigned i, j; bool duplicate; if (p->chunk_relocs_idx == -1) { return 0; } chunk = &p->chunks[p->chunk_relocs_idx]; p->dma_reloc_idx = 0; /* FIXME: we assume that each relocs use 4 dwords */ p->nrelocs = chunk->length_dw / 4; p->relocs_ptr = kcalloc(p->nrelocs, sizeof(void *), GFP_KERNEL); if (p->relocs_ptr == NULL) { return -ENOMEM; } p->relocs = kcalloc(p->nrelocs, sizeof(struct radeon_cs_reloc), GFP_KERNEL); if (p->relocs == NULL) { return -ENOMEM; } radeon_cs_buckets_init(&buckets); for (i = 0; i < p->nrelocs; i++) { struct drm_radeon_cs_reloc *r; unsigned priority; duplicate = false; r = (struct drm_radeon_cs_reloc *)&chunk->kdata[i*4]; for (j = 0; j < i; j++) { if (r->handle == p->relocs[j].handle) { p->relocs_ptr[i] = &p->relocs[j]; duplicate = true; break; } } if (duplicate) { p->relocs[i].handle = 0; continue; } p->relocs[i].gobj = drm_gem_object_lookup(ddev, p->filp, r->handle); if (p->relocs[i].gobj == NULL) { DRM_ERROR("gem object lookup failed 0x%x\n", r->handle); return -ENOENT; } p->relocs_ptr[i] = &p->relocs[i]; p->relocs[i].robj = gem_to_radeon_bo(p->relocs[i].gobj); /* The userspace buffer priorities are from 0 to 15. A higher * number means the buffer is more important. * Also, the buffers used for write have a higher priority than * the buffers used for read only, which doubles the range * to 0 to 31. 32 is reserved for the kernel driver. */ priority = (r->flags & 0xf) * 2 + !!r->write_domain; /* the first reloc of an UVD job is the msg and that must be in VRAM, also but everything into VRAM on AGP cards to avoid image corruptions */ if (p->ring == R600_RING_TYPE_UVD_INDEX && (i == 0 || drm_pci_device_is_agp(p->rdev->ddev))) { /* TODO: is this still needed for NI+ ? */ p->relocs[i].prefered_domains = RADEON_GEM_DOMAIN_VRAM; p->relocs[i].allowed_domains = RADEON_GEM_DOMAIN_VRAM; /* prioritize this over any other relocation */ priority = RADEON_CS_MAX_PRIORITY; } else { uint32_t domain = r->write_domain ? r->write_domain : r->read_domains; if (domain & RADEON_GEM_DOMAIN_CPU) { DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid " "for command submission\n"); return -EINVAL; } p->relocs[i].prefered_domains = domain; if (domain == RADEON_GEM_DOMAIN_VRAM) domain |= RADEON_GEM_DOMAIN_GTT; p->relocs[i].allowed_domains = domain; } p->relocs[i].tv.bo = &p->relocs[i].robj->tbo; p->relocs[i].handle = r->handle; radeon_cs_buckets_add(&buckets, &p->relocs[i].tv.head, priority); } radeon_cs_buckets_get_list(&buckets, &p->validated); if (p->cs_flags & RADEON_CS_USE_VM) p->vm_bos = radeon_vm_get_bos(p->rdev, p->ib.vm, &p->validated); return radeon_bo_list_validate(p->rdev, &p->ticket, &p->validated, p->ring); }