int nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) { struct nouveau_cli *cli = nouveau_cli(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_vma *vma; int ret; if (cli->vmm.vmm.object.oclass < NVIF_CLASS_VMM_NV50) return 0; ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL); if (ret) return ret; ret = pm_runtime_get_sync(dev); if (ret < 0 && ret != -EACCES) goto out; ret = nouveau_vma_new(nvbo, &cli->vmm, &vma); pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); out: ttm_bo_unreserve(&nvbo->bo); return ret; }
int nv84_fence_context_new(struct nouveau_channel *chan) { struct nouveau_cli *cli = (void *)chan->user.client; struct nv84_fence_priv *priv = chan->drm->fence; struct nv84_fence_chan *fctx; int ret; fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL); if (!fctx) return -ENOMEM; nouveau_fence_context_new(chan, &fctx->base); fctx->base.emit = nv84_fence_emit; fctx->base.sync = nv84_fence_sync; fctx->base.read = nv84_fence_read; fctx->base.emit32 = nv84_fence_emit32; fctx->base.sync32 = nv84_fence_sync32; fctx->base.sequence = nv84_fence_read(chan); mutex_lock(&priv->mutex); ret = nouveau_vma_new(priv->bo, &cli->vmm, &fctx->vma); mutex_unlock(&priv->mutex); if (ret) nv84_fence_context_del(chan); return ret; }