From patchwork Tue Oct 17 14:47:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 735765 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEA8ECDB474 for ; Tue, 17 Oct 2023 14:48:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344135AbjJQOsj (ORCPT ); Tue, 17 Oct 2023 10:48:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344264AbjJQOs2 (ORCPT ); Tue, 17 Oct 2023 10:48:28 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34E4418A; Tue, 17 Oct 2023 07:48:21 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:7205:da49:a7e8:59f8]) (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: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 9B9CC660738A; Tue, 17 Oct 2023 15:48:19 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1697554100; bh=ze9f+cre4KJ3jK+K5LOLyXDpAuzmOF8maDRtpzPpmEM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FN6buOGCmPgo7C1/uY3KX+cjipls4tcrv3RocJG6vj3PFHrFt7eOHa0PLN82jRAZE QeJ0Pv+f+jo3tANFU/JcnAqrzfli0MFQV65woJfDxqiORs1JpW8t5DgKZ/1Eku32zn Af4PPVqhaDIe9h3Qrmcy9yP8ILKg5BFvXX1BXugh1huxZgVr1TMCxO9dvqJXe2j+8Y y+PYcb6wDaPSA+N9J+p2S28foEl4JJcpXQ0bD7uZwxDpi/f3ytiFNbVDzGEXTvDLlo KSkljeZ15XU8V37YVFfUeLfWWWj4MXRxMOBIgQVO7Y0ivVg6vOYWVo1SsSx9jBykdu mNSTlytwxEfBw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard , Steve Longerbeam Subject: [PATCH v12 31/56] media: imx: Stop direct calls to queue num_buffers field Date: Tue, 17 Oct 2023 16:47:31 +0200 Message-Id: <20231017144756.34719-32-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231017144756.34719-1-benjamin.gaignard@collabora.com> References: <20231017144756.34719-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use vb2_get_num_buffers() to avoid using queue num_buffers field directly. This allows us to change how the number of buffers is computed in the futur. Signed-off-by: Benjamin Gaignard CC: Steve Longerbeam CC: Philipp Zabel --- drivers/staging/media/imx/imx-media-capture.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c index 4846078315ff..ce02199e7b1b 100644 --- a/drivers/staging/media/imx/imx-media-capture.c +++ b/drivers/staging/media/imx/imx-media-capture.c @@ -605,6 +605,7 @@ static int capture_queue_setup(struct vb2_queue *vq, { struct capture_priv *priv = vb2_get_drv_priv(vq); struct v4l2_pix_format *pix = &priv->vdev.fmt; + unsigned int q_num_bufs = vb2_get_num_buffers(vq); unsigned int count = *nbuffers; if (vq->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) @@ -613,14 +614,14 @@ static int capture_queue_setup(struct vb2_queue *vq, if (*nplanes) { if (*nplanes != 1 || sizes[0] < pix->sizeimage) return -EINVAL; - count += vq->num_buffers; + count += q_num_bufs; } count = min_t(__u32, VID_MEM_LIMIT / pix->sizeimage, count); if (*nplanes) - *nbuffers = (count < vq->num_buffers) ? 0 : - count - vq->num_buffers; + *nbuffers = (count < q_num_bufs) ? 0 : + count - q_num_bufs; else *nbuffers = count;