239 	struct tegra_drm_file *fpriv;  in tegra_drm_open()  local
241 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);  in tegra_drm_open()
242 	if (!fpriv)  in tegra_drm_open()
245 	idr_init(&fpriv->contexts);  in tegra_drm_open()
246 	mutex_init(&fpriv->lock);  in tegra_drm_open()
247 	filp->driver_priv = fpriv;  in tegra_drm_open()
571 static int tegra_client_open(struct tegra_drm_file *fpriv,  in tegra_client_open()  argument
581 	err = idr_alloc(&fpriv->contexts, context, 1, 0, GFP_KERNEL);  in tegra_client_open()
596 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_open_channel()  local
607 	mutex_lock(&fpriv->lock);  in tegra_open_channel()
611 			err = tegra_client_open(fpriv, client, context);  in tegra_open_channel()
622 	mutex_unlock(&fpriv->lock);  in tegra_open_channel()
629 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_close_channel()  local
634 	mutex_lock(&fpriv->lock);  in tegra_close_channel()
636 	context = idr_find(&fpriv->contexts, args->context);  in tegra_close_channel()
642 	idr_remove(&fpriv->contexts, context->id);  in tegra_close_channel()
646 	mutex_unlock(&fpriv->lock);  in tegra_close_channel()
653 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_get_syncpt()  local
659 	mutex_lock(&fpriv->lock);  in tegra_get_syncpt()
661 	context = idr_find(&fpriv->contexts, args->context);  in tegra_get_syncpt()
676 	mutex_unlock(&fpriv->lock);  in tegra_get_syncpt()
683 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_submit()  local
688 	mutex_lock(&fpriv->lock);  in tegra_submit()
690 	context = idr_find(&fpriv->contexts, args->context);  in tegra_submit()
699 	mutex_unlock(&fpriv->lock);  in tegra_submit()
706 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_get_syncpt_base()  local
713 	mutex_lock(&fpriv->lock);  in tegra_get_syncpt_base()
715 	context = idr_find(&fpriv->contexts, args->context);  in tegra_get_syncpt_base()
737 	mutex_unlock(&fpriv->lock);  in tegra_get_syncpt_base()
938 	struct tegra_drm_file *fpriv = file->driver_priv;  in tegra_drm_postclose()  local
940 	mutex_lock(&fpriv->lock);  in tegra_drm_postclose()
941 	idr_for_each(&fpriv->contexts, tegra_drm_context_cleanup, NULL);  in tegra_drm_postclose()
942 	mutex_unlock(&fpriv->lock);  in tegra_drm_postclose()
944 	idr_destroy(&fpriv->contexts);  in tegra_drm_postclose()
945 	mutex_destroy(&fpriv->lock);  in tegra_drm_postclose()
946 	kfree(fpriv);  in tegra_drm_postclose()