From patchwork Wed Mar 18 21:30:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 210550 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57955C55186 for ; Wed, 18 Mar 2020 21:31:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C7B320752 for ; Wed, 18 Mar 2020 21:31:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727108AbgCRVbH (ORCPT ); Wed, 18 Mar 2020 17:31:07 -0400 Received: from bin-mail-out-05.binero.net ([195.74.38.228]:49989 "EHLO bin-mail-out-05.binero.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726747AbgCRVbH (ORCPT ); Wed, 18 Mar 2020 17:31:07 -0400 X-Halon-ID: b206bf1e-695f-11ea-9f40-0050569116f7 Authorized-sender: niklas@soderlund.pp.se Received: from bismarck.berto.se (p4fca2392.dip0.t-ipconnect.de [79.202.35.146]) by bin-vsp-out-03.atm.binero.net (Halon) with ESMTPA id b206bf1e-695f-11ea-9f40-0050569116f7; Wed, 18 Mar 2020 22:30:32 +0100 (CET) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: Hans Verkuil , Laurent Pinchart , linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?utf-8?q?Niklas_S=C3=B6derlund?= Subject: [RFC 2/5] media-device: Add a graph_complete callback to struct media_device_ops Date: Wed, 18 Mar 2020 22:30:48 +0100 Message-Id: <20200318213051.3200981-3-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200318213051.3200981-1-niklas.soderlund+renesas@ragnatech.se> References: <20200318213051.3200981-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add a new graph_complete operation to struct media_device_ops. The callback is optional to implement. If it's implemented it shall return the status about the media graphs completes. If all entities that the media device could contain is registered in the graph it shall return true, otherwise false. Signed-off-by: Niklas Söderlund --- include/media/media-device.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/media/media-device.h b/include/media/media-device.h index fa089543072052cf..f637ad2eee38f456 100644 --- a/include/media/media-device.h +++ b/include/media/media-device.h @@ -61,6 +61,8 @@ struct media_entity_notify { * request (and thus the buffer) must be available to the driver. * And once a buffer is queued, then the driver can complete * or delete objects from the request before req_queue exits. + * @graph_complete: Check if the media device graph is complete and all entries + * have been added to the graph. */ struct media_device_ops { int (*link_notify)(struct media_link *link, u32 flags, @@ -69,6 +71,7 @@ struct media_device_ops { void (*req_free)(struct media_request *req); int (*req_validate)(struct media_request *req); void (*req_queue)(struct media_request *req); + bool (*graph_complete)(struct media_device *mdev); }; /**