From patchwork Fri Mar 18 21:14:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 81923 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1nVJwG-00Daa6-V7; Fri, 18 Mar 2022 21:15:13 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240990AbiCRVQ3 (ORCPT + 1 other); Fri, 18 Mar 2022 17:16:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230370AbiCRVQ2 (ORCPT ); Fri, 18 Mar 2022 17:16:28 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66222D4456; Fri, 18 Mar 2022 14:15:09 -0700 (PDT) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7855F8F; Fri, 18 Mar 2022 22:15:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1647638108; bh=Na+Khdu7qpM+zNB7HPPlbKyuDqSEBJssmhgJhcSc78Q=; h=From:To:Cc:Subject:Date:From; b=Zhw1jOHrzgvCopfan+PsybiD4m1bPemUXKRNM0qRahNeYI5Zt+jrEMXOyjfJYytP8 RXxxI+Jc/poNrMuYi7iz3ZsIn0nG3qPvd7lBTRZTmyYQSlQkuMHyZrFsrG0tUs/SMY FiSlg91dR17qJg1HTbkKYTr3IWqtIn5vZ+mYfiQ0= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Tomasz Figa , Marek Szyprowski , Hans Verkuil , Kieran Bingham Subject: [PATCH 0/3] media: videobuf2: Expose vb2_queue_is_busy() to drivers Date: Fri, 18 Mar 2022 23:14:43 +0200 Message-Id: <20220318211446.11543-1-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Hello, This small patch series exposes the vb2_queue_is_busy() function, currently internal to videobuf2-v4l2.c, to drivers. The rationale is explained in patch 1/3, and the first use case shown in 3/3: it allows implementing additional checks at streamon time while keeping the owner check first (as it's cheap, compared to other checks that can be more expensive). Patch 2/3 is a driver-by cleanup. Laurent Pinchart (3): media: videobuf2-v4l2: Expose vb2_queue_is_busy() to drivers media: vsp1: Don't open-code vb2_fop_release() media: vsp1: Use vb2_queue_is_busy() .../media/common/videobuf2/videobuf2-v4l2.c | 26 +++++++------------ .../media/platform/renesas/vsp1/vsp1_video.c | 12 ++------- include/media/videobuf2-v4l2.h | 23 ++++++++++++++-- 3 files changed, 33 insertions(+), 28 deletions(-) base-commit: 71e6d0608e4d1b79069990c7dacb3600ced28a3b