87 	struct tegra_drm_file *fpriv;  in tegra_drm_open()  local
89 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);  in tegra_drm_open()
90 	if (!fpriv)  in tegra_drm_open()
93 	idr_init_base(&fpriv->contexts, 1);  in tegra_drm_open()
94 	mutex_init(&fpriv->lock);  in tegra_drm_open()
95 	filp->driver_priv = fpriv;  in tegra_drm_open()
421 static int tegra_client_open(struct tegra_drm_file *fpriv,  in tegra_client_open()  argument
431 	err = idr_alloc(&fpriv->contexts, context, 1, 0, GFP_KERNEL);  in tegra_client_open()
446 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_open_channel()  local
457 	mutex_lock(&fpriv->lock);  in tegra_open_channel()
461 			err = tegra_client_open(fpriv, client, context);  in tegra_open_channel()
472 	mutex_unlock(&fpriv->lock);  in tegra_open_channel()
479 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_close_channel()  local
484 	mutex_lock(&fpriv->lock);  in tegra_close_channel()
486 	context = idr_find(&fpriv->contexts, args->context);  in tegra_close_channel()
492 	idr_remove(&fpriv->contexts, context->id);  in tegra_close_channel()
496 	mutex_unlock(&fpriv->lock);  in tegra_close_channel()
503 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_get_syncpt()  local
509 	mutex_lock(&fpriv->lock);  in tegra_get_syncpt()
511 	context = idr_find(&fpriv->contexts, args->context);  in tegra_get_syncpt()
526 	mutex_unlock(&fpriv->lock);  in tegra_get_syncpt()
533 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_submit()  local
538 	mutex_lock(&fpriv->lock);  in tegra_submit()
540 	context = idr_find(&fpriv->contexts, args->context);  in tegra_submit()
549 	mutex_unlock(&fpriv->lock);  in tegra_submit()
556 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_get_syncpt_base()  local
563 	mutex_lock(&fpriv->lock);  in tegra_get_syncpt_base()
565 	context = idr_find(&fpriv->contexts, args->context);  in tegra_get_syncpt_base()
587 	mutex_unlock(&fpriv->lock);  in tegra_get_syncpt_base()
788 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_drm_postclose()  local
790 	mutex_lock(&fpriv->lock);  in tegra_drm_postclose()
791 	idr_for_each(&fpriv->contexts, tegra_drm_context_cleanup, NULL);  in tegra_drm_postclose()
792 	mutex_unlock(&fpriv->lock);  in tegra_drm_postclose()
794 	idr_destroy(&fpriv->contexts);  in tegra_drm_postclose()
795 	mutex_destroy(&fpriv->lock);  in tegra_drm_postclose()
796 	kfree(fpriv);  in tegra_drm_postclose()