From patchwork Thu Nov 9 16:34:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 743278 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 601C0C4167D for ; Thu, 9 Nov 2023 16:38:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344183AbjKIQiE (ORCPT ); Thu, 9 Nov 2023 11:38:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344256AbjKIQh6 (ORCPT ); Thu, 9 Nov 2023 11:37:58 -0500 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 16D233869; Thu, 9 Nov 2023 08:37:51 -0800 (PST) Received: from benjamin-XPS-13-9310.. (cola.collaboradmins.com [195.201.22.229]) (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 F04C166076AE; Thu, 9 Nov 2023 16:37:48 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1699547870; bh=FGosfQkz7xDt3TH8JNApENUZqKlKqY5ctlOL3LauTLY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bxpn1yEWIuMMw47RbvyzRY+B1Nq2sbyshmfEU2vk3UJFJrcdElM/dEm+mzPtO8mgR 6ZVRQ7jXCVw5BqTkK6VGz7+qYoBVgpni8NcUxaykkZUbJCsEahIZkT5ZH6EwOm5MWB xlCKgCe2x+bU7IgSVG8q34wjZMw6vCV6fFTw1FI0hk1XgGqqtSeociY083FG3DCkII NX+vGMZCirJ3Qrq6nzpldzcFhDC/xdFIvhFEzsYndxVujyt4U++PvHj4Cjr7EYl8Hj pZNc2xP2vg1LGy+ahJeZTeIVEq1AMrvS1T4FB3ZE+gELYWF8l15mdmsLgbfz/7zMg5 ykf5cinJr/h7w== 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 , Andrzej Pietrasiewicz , Antti Palosaari Subject: [PATCH v15 20/56] media: dvb-frontends: rtl2832: Stop direct calls to queue num_buffers field Date: Thu, 9 Nov 2023 17:34:36 +0100 Message-Id: <20231109163512.179524-21-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231109163512.179524-14-benjamin.gaignard@collabora.com> References: <20231109163512.179524-14-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 future. Signed-off-by: Benjamin Gaignard Reviewed-by: Andrzej Pietrasiewicz CC: Antti Palosaari --- drivers/media/dvb-frontends/rtl2832_sdr.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c index 02c619e51641..023db6e793f8 100644 --- a/drivers/media/dvb-frontends/rtl2832_sdr.c +++ b/drivers/media/dvb-frontends/rtl2832_sdr.c @@ -439,12 +439,13 @@ static int rtl2832_sdr_queue_setup(struct vb2_queue *vq, { struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); struct platform_device *pdev = dev->pdev; + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(&pdev->dev, "nbuffers=%d\n", *nbuffers); /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers = 8 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 8) + *nbuffers = 8 - q_num_bufs; *nplanes = 1; sizes[0] = PAGE_ALIGN(dev->buffersize); dev_dbg(&pdev->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]);