From patchwork Thu Nov 9 16:34:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13451489 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 B363BC4332F for ; Thu, 9 Nov 2023 16:38:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344675AbjKIQia (ORCPT ); Thu, 9 Nov 2023 11:38:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344672AbjKIQiN (ORCPT ); Thu, 9 Nov 2023 11:38:13 -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 ACAF03863; Thu, 9 Nov 2023 08:37:59 -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 8F09B660741B; Thu, 9 Nov 2023 16:37:57 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1699547878; bh=AtH8K8Z2Aob2e0uNs8JrzF1vK5paJ9ly85DM9H+gmrk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NkY1lwTGVi/CKA3h+b9wU7SZHZX1MOf9TKjj2eqU8RQDROcPck7kdVwtqdUU4RK2H pa7BNi/Egy8NxGzfWIvMf3M/9Es/Apg+ySVgiCeW+/SQhQhL6Lj/pJdB4Fbm8RCdxd RJdBrUm9JNFy2ZpLVpiBFaicG7YJc0w1ErD7a8gzWq35pqZcRDtPhHd0Nosq2/eqT3 tWwi+9t9i0b8ewQg+wLeLG1vwuD2eRzIc2PmVzExTcXWi6uboenunTtwltbT/E7qXY xjOeh0+q4T5BHqw71+1+oJApl4F4B7qYwAJD1whO1q145h+f9Aiapc1H2eRrdQqWws 4UowFRVx6Jp9w== 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 , Fabrizio Castro Subject: [PATCH v15 25/56] media: pci: tw68: Stop direct calls to queue num_buffers field Date: Thu, 9 Nov 2023 17:34:41 +0100 Message-Id: <20231109163512.179524-26-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 CC: Fabrizio Castro Reviewed-by: Andrzej Pietrasiewicz --- drivers/media/pci/tw68/tw68-video.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c index 773a18702d36..79b627ebc92a 100644 --- a/drivers/media/pci/tw68/tw68-video.c +++ b/drivers/media/pci/tw68/tw68-video.c @@ -360,13 +360,14 @@ static int tw68_queue_setup(struct vb2_queue *q, unsigned int sizes[], struct device *alloc_devs[]) { struct tw68_dev *dev = vb2_get_drv_priv(q); - unsigned tot_bufs = q->num_buffers + *num_buffers; + unsigned int q_num_bufs = vb2_get_num_buffers(q); + unsigned int tot_bufs = q_num_bufs + *num_buffers; unsigned size = (dev->fmt->depth * dev->width * dev->height) >> 3; if (tot_bufs < 2) tot_bufs = 2; tot_bufs = tw68_buffer_count(size, tot_bufs); - *num_buffers = tot_bufs - q->num_buffers; + *num_buffers = tot_bufs - q_num_bufs; /* * We allow create_bufs, but only if the sizeimage is >= as the * current sizeimage. The tw68_buffer_count calculation becomes quite