From patchwork Thu Oct 19 12:51:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13429006 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 3CF3BCDB482 for ; Thu, 19 Oct 2023 12:56:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=I+uTrWXfkjMslAZhRkl1d08rHeRO+SWEL261b+MCo2E=; b=k0DqtcsnulMtOh uoIWHfRyXKDVMFo1GGQXevlqcylL++UVq+t1s+ugMxxIxHAdOyu3tO+WjygOfSE88FvcZ5EP5oCuZ UaEOdpP8WonXkI6U0v5WJO7k7gL8rEm3EfgFudHpkQHKC6wmFk7lW5uXfCT10mHj1qx8SZH1IQ6jK PlsaYG+5va29rwo/s3f7tj9SvkODyxhs4xtPBV4QuYXYRVLTo8EF0f7QaawtGmAzagxUtesn3L9ns Wk8DhyxatURsJ8JLY4zWUvdmJwed1Z9ka10BJ/O8d3Zo2fNFL9FJmuesMvQIErfk4ITl1j+JV2sR7 yZDzir6y62hZpUxeT9yg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qtSZM-00HQt1-2M; Thu, 19 Oct 2023 12:56:08 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qtSW9-00HNUx-1h; Thu, 19 Oct 2023 12:52:55 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:ccea:1fb5:34eb:239b]) (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 A87896607369; Thu, 19 Oct 2023 13:52:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1697719964; bh=ABio7Fn7k/+8wlqN/VSwa9bzp38ffNKUWzBFOmL8pwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eIcbAZEEyREsB/G8CujddavZeznK/65VXH6yM5u8eZGWBVW2qiiwbprBcu5YvxOhq lGBFC/hFq4ufPkEsOgR47R9WL+iKwFF+2kglqEYdMLUnRucTuNrO3znrUCq0LvtQJo 3+oxn6UX2nGpsZkxr2D34lq+BrBEGD9mOjaniK12flQIqrDPD7xApRJ+yKbMbM+HDC wlbJ7FdnngQsbFkwYpq560G2NsT5LdNukd2I5FqI0iRVB5sGZMbqS/NAG1gFCFopsc 48vBxCYdLC3Tsvzna0yg6cCIfYKWF1ybCv/uskTQ983scM0csm/iIETeoPodgAlx5M v6UKMjMsrHzaQ== 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 v13 25/56] media: pci: tw68: Stop direct calls to queue num_buffers field Date: Thu, 19 Oct 2023 14:51:51 +0200 Message-Id: <20231019125222.21370-26-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231019125222.21370-1-benjamin.gaignard@collabora.com> References: <20231019125222.21370-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231019_055249_726482_1C15C96E X-CRM114-Status: GOOD ( 12.84 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.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 --- drivers/media/pci/tw68/tw68-video.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c index 773a18702d36..35296c226019 100644 --- a/drivers/media/pci/tw68/tw68-video.c +++ b/drivers/media/pci/tw68/tw68-video.c @@ -360,13 +360,13 @@ 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 tot_bufs = vb2_get_num_buffers(q) + *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 - vb2_get_num_buffers(q); /* * We allow create_bufs, but only if the sizeimage is >= as the * current sizeimage. The tw68_buffer_count calculation becomes quite