diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_gem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_gem.c | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 9c8d1b911a01..f39360870c70 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -103,6 +103,7 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) struct nouveau_bo *nvbo = nouveau_gem_object(gem); struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev); struct device *dev = drm->dev->dev; + struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli); struct nouveau_vmm *vmm = nouveau_cli_vmm(cli); struct nouveau_vma *vma; int ret; @@ -110,6 +111,9 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50) return 0; + if (nvbo->no_share && uvmm && &uvmm->resv != nvbo->bo.base.resv) + return -EPERM; + ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL); if (ret) return ret; @@ -120,7 +124,11 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) goto out; } - ret = nouveau_vma_new(nvbo, vmm, &vma); + /* only create a VMA on binding */ + if (!nouveau_cli_uvmm(cli)) + ret = nouveau_vma_new(nvbo, vmm, &vma); + else + ret = 0; pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); out: @@ -187,6 +195,9 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50) return; + if (nouveau_cli_uvmm(cli)) + return; + ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL); if (ret) return; @@ -209,6 +220,7 @@ const struct drm_gem_object_funcs nouveau_gem_object_funcs = { .free = nouveau_gem_object_del, .open = nouveau_gem_object_open, .close = nouveau_gem_object_close, + .export = nouveau_gem_prime_export, .pin = nouveau_gem_prime_pin, .unpin = nouveau_gem_prime_unpin, .get_sg_table = nouveau_gem_prime_get_sg_table, @@ -224,18 +236,28 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, struct nouveau_bo **pnvbo) { struct nouveau_drm *drm = cli->drm; + struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli); + struct dma_resv *resv = NULL; struct nouveau_bo *nvbo; int ret; + if (domain & NOUVEAU_GEM_DOMAIN_NO_SHARE) { + if (unlikely(!uvmm)) + return -EINVAL; + + resv = &uvmm->resv; + } + if (!(domain & (NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART))) domain |= NOUVEAU_GEM_DOMAIN_CPU; nvbo = nouveau_bo_alloc(cli, &size, &align, domain, tile_mode, - tile_flags); + tile_flags, false); if (IS_ERR(nvbo)) return PTR_ERR(nvbo); nvbo->bo.base.funcs = &nouveau_gem_object_funcs; + nvbo->no_share = domain & NOUVEAU_GEM_DOMAIN_NO_SHARE; /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ @@ -246,7 +268,14 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, return ret; } - ret = nouveau_bo_init(nvbo, size, align, domain, NULL, NULL); + if (resv) + dma_resv_lock(resv, NULL); + + ret = nouveau_bo_init(nvbo, size, align, domain, NULL, resv); + + if (resv) + dma_resv_unlock(resv); + if (ret) return ret; @@ -279,13 +308,15 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, else rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; rep->offset = nvbo->offset; - if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) { + if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50 && + !nouveau_cli_uvmm(cli)) { vma = nouveau_vma_find(nvbo, vmm); if (!vma) return -EINVAL; rep->offset = vma->addr; - } + } else + rep->offset = 0; rep->size = nvbo->bo.base.size; rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.base.vma_node); @@ -310,6 +341,11 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data, struct nouveau_bo *nvbo = NULL; int ret = 0; + /* If uvmm wasn't initialized until now disable it completely to prevent + * userspace from mixing up UAPIs. + */ + nouveau_cli_disable_uvmm_noinit(cli); + ret = nouveau_gem_new(cli, req->info.size, req->align, req->info.domain, req->info.tile_mode, req->info.tile_flags, &nvbo); @@ -721,6 +757,9 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, if (unlikely(!abi16)) return -ENOMEM; + if (unlikely(nouveau_cli_uvmm(cli))) + return -ENOSYS; + list_for_each_entry(temp, &abi16->channels, head) { if (temp->chan->chid == req->channel) { chan = temp->chan; |