From patchwork Tue Oct 17 14:47:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 736082 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 0BF9CC41513 for ; Tue, 17 Oct 2023 14:48:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344344AbjJQOse (ORCPT ); Tue, 17 Oct 2023 10:48:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344250AbjJQOs1 (ORCPT ); Tue, 17 Oct 2023 10:48:27 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95051137; Tue, 17 Oct 2023 07:48:19 -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 07BAF66072FB; Tue, 17 Oct 2023 15:48:18 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1697554098; bh=tZ6YL5Kag5Wmq0rewNbqrl8NQzJoo9tTn4Lybls4JrU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y8zewQ++AjPy1+hJgoGWfX7PsNxICesqtzaKe/s0PKZD+SDWJQPa2sz7KqQ8jTc9n q5gZ3TQuTjkUcKi+DW8rPQer/jAu6TsnLEC3/0Ircj1/csJxg1Rj2SN/ohgSeW0Y5f wp33/Pc75r3sdhqIaA2UKXJ01tNOaNNF5rsOAxDXDxTTaVmaXAKT1Rr858oOeMpJ18 +y3MEqoBNkzlMxu1wzaHUY77HD87CJmW2pBH7jT0VYRN5XJdARbPKTgW3n8mKDJTjm SF5NGWS2shqEleLCjX2J3T+FhZfneji+v2H/qslHPDADCB1/+JAFI/vIqxslgQD1kO eeTBgMtfwLRHg== 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 , Rui Miguel Silva , Laurent Pinchart , Martin Kepplinger Subject: [PATCH v12 28/56] media: nxp: Stop direct calls to queue num_buffers field Date: Tue, 17 Oct 2023 16:47:28 +0200 Message-Id: <20231017144756.34719-29-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-media@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: Rui Miguel Silva CC: Laurent Pinchart CC: Martin Kepplinger --- drivers/media/platform/nxp/imx7-media-csi.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c index 15049c6aab37..4c467fb82789 100644 --- a/drivers/media/platform/nxp/imx7-media-csi.c +++ b/drivers/media/platform/nxp/imx7-media-csi.c @@ -1245,6 +1245,7 @@ static int imx7_csi_video_queue_setup(struct vb2_queue *vq, struct device *alloc_devs[]) { struct imx7_csi *csi = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); struct v4l2_pix_format *pix = &csi->vdev_fmt; unsigned int count = *nbuffers; @@ -1254,14 +1255,14 @@ static int imx7_csi_video_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, IMX7_CSI_VIDEO_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;