From patchwork Sun Aug 27 17:54:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 13367372 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A826C83F17 for ; Sun, 27 Aug 2023 17:56:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C473610E1DD; Sun, 27 Aug 2023 17:56:12 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id CBF4910E1D8; Sun, 27 Aug 2023 17:56:10 +0000 (UTC) Received: from workpc.. (109-252-153-31.dynamic.spd-mgts.ru [109.252.153.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madras.collabora.co.uk (Postfix) with ESMTPSA id 07E93660729C; Sun, 27 Aug 2023 18:56:07 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1693158969; bh=M5/xgmgYN0s36JVYHmGw/X427TQVf2NMGXsEGCVdXvc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=auSupVBWNLHWAWDVXWjgaW/AZJUx8stY7+syvdibV1xVrcSxOL5j4DHNZBO9JXHKJ iqALbtRa7tjggEC4KHp+M0/5uS+w0FnG1c6zwai1Eois9bFQRHq6ZxJlIz/gEvbwxV xIwLk4Nqs0yutZZ0BVs4gyRz6O2inG8QTQi01tA4D4Ov/q2H1DbjmY32nfDYDEToim yDj3RQSqElgNj+9SRbx0D9FS0IKfT+SoH59si8XXKTmqVo5OrGJenUBhVs7U1EcGZw LI1VPszTF93y5GByRJxiEzLnp6xM/g2rEJb3yLQ1gRu3j41GNIMmRzTLDgnLwBQkFM 9rzLK43Ye7clw== From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , =?utf-8?q?Christian_K=C3=B6nig?= , Qiang Yu , Steven Price , Boris Brezillon , Emma Anholt , Melissa Wen , Will Deacon , Peter Zijlstra , Boqun Feng , Mark Rutland Date: Sun, 27 Aug 2023 20:54:37 +0300 Message-ID: <20230827175449.1766701-12-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230827175449.1766701-1-dmitry.osipenko@collabora.com> References: <20230827175449.1766701-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v15 11/23] dma-resv: Add kref_put_dma_resv() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, kernel@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add simple kref_put_dma_resv() helper that wraps around kref_put_ww_mutex() for drivers that needs to lock dma-resv on kref_put(). It's not possible to easily add this helper to kref.h because of the headers inclusion dependency, hence add it to dma-resv.h. Signed-off-by: Dmitry Osipenko --- include/linux/dma-resv.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h index 8d0e34dad446..c5cf302e4194 100644 --- a/include/linux/dma-resv.h +++ b/include/linux/dma-resv.h @@ -41,6 +41,7 @@ #include #include +#include #include #include #include @@ -464,6 +465,14 @@ static inline void dma_resv_unlock(struct dma_resv *obj) ww_mutex_unlock(&obj->lock); } +static inline int kref_put_dma_resv(struct kref *kref, + void (*release)(struct kref *kref), + struct dma_resv *resv, + struct ww_acquire_ctx *ctx) +{ + return kref_put_ww_mutex(kref, release, &resv->lock, ctx); +} + void dma_resv_init(struct dma_resv *obj); void dma_resv_fini(struct dma_resv *obj); int dma_resv_reserve_fences(struct dma_resv *obj, unsigned int num_fences);