From patchwork Mon Oct 2 12:05:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 147468 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp1682728vqb; Mon, 2 Oct 2023 13:49:20 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGUIEujAEmGouybLRWHMPU9/5VrgbWo4eQKc5mpn3INsvhmoJdT+loJgjICJxMOmm7PxydP X-Received: by 2002:a05:6a00:10cb:b0:68e:3616:604a with SMTP id d11-20020a056a0010cb00b0068e3616604amr1111845pfu.8.1696279760511; Mon, 02 Oct 2023 13:49:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696279760; cv=none; d=google.com; s=arc-20160816; b=EAX9f/pZ/1/L0Y02k9/8NL28PfUjmBIYnyt14Ro5art7IZGjNIqMYDeZzGVGVwGmiZ ggEpFYtXPo6ZyY/VldC2MtdAWhJWvcT8Y4GGdkE5HbWnioJIpPzAWuKHKdk3DpXrI8Ts BrUBwANJMMAGdaWeGhx63LmQu9jcj6gs9GIgefr/fdCSJAWgs6zTbNCMV9nOE9S2xl/8 8KKVVuYjVHvupQ1ehS3d5wLepRtImqUKCO1ObqaZ81b6oTepw/8yybzGPHWWaAEvXSNb dS5QiGUaYPRVTWapd2OvNI55oCf0BlKJpz1nEpaSNGd1U3WnrYwDfpkfPWlsy/CAqMRS 83ew== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=QLYlo9XYgH6iBcNR/XOOMljUho1Rg9mdosWEHBzdo7A=; fh=ceA81l8d2hZW6pWH7VE5TwJxtgXUzAubfWIMcikPA1M=; b=ew3Gq5IKb1wglF+HgELUYxFqcBbGi078seNPoPHhN1QnNGUoApAGyyO2Ll8F6+exzk 9jzv1s+97ewLE/93P1veJh2bzh72J8RhkYaz5+ptmeT+V0tIV2GAJJZB7hkMA+jK6+Af t0TfkqfsYRGHr12BjX0/kja2p/c7m4jH9ggGTc0p4pHthTPLVnDZDfnIuO/Q9yJlD5Dk 7po5LIPJcqbO+zjRIRw1trhBBB1capofDGv2B3NM1VMDIkyI6XAcRMnRW6oSUtkoNzjO OjvPH9c8K0oC04OR9WG2wlz5xcRSs3GBaRL501/8gpEOoxByomEzx9D2XncBCCttsxsm ZRxA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=c03Ru1tY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Received: from snail.vger.email (snail.vger.email. [23.128.96.37]) by mx.google.com with ESMTPS id ef7-20020a056a002c8700b00689f1186cfdsi27965661pfb.29.2023.10.02.13.49.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Oct 2023 13:49:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) client-ip=23.128.96.37; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=c03Ru1tY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 9FDF08134CED; Mon, 2 Oct 2023 05:08:12 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237370AbjJBMH4 (ORCPT + 18 others); Mon, 2 Oct 2023 08:07:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237020AbjJBMGv (ORCPT ); Mon, 2 Oct 2023 08:06:51 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 830D9D8; Mon, 2 Oct 2023 05:06:41 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (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 E6A57660735E; Mon, 2 Oct 2023 13:06:39 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248400; bh=fLRtME703ZZcICdPkAIYRy+HHmsEI0CB5+N7/vWII0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c03Ru1tYnGMpuFqjWI31KctbRJeleYz1GuYndnICw+Daiw3FIxZGlxwCDsEbjUJ1K Ptdhz2+zKwmXgAWkiqJNqNZi5iwMcf/VY/ipG30ATm7B8C8m8ZycwGo9bQBkEW7dxl pYdHV6sk4nWApiN5YR/lC4+yAMtAOujsu3Lt7oW994srKL4+Kwm1aLKRT2oO42tUa3 1ri8HXQhKTCIyt8lvRgTIfvKo+bcZdWjd3ikbpmbpKvVYAylveu9YYdVCdiAXOOxF2 /EzG3nDp+J1AaiSSnzElHO9JuEt+6IDhbi5PjXRwLU3dW5tO3MBvBrFe8L5ODpxIhW TOP8WG4fyYBjQ== 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 Subject: [PATCH v9 29/53] media: pci: tw686x: Set min_buffers_needed to 3 Date: Mon, 2 Oct 2023 14:05:53 +0200 Message-Id: <20231002120617.119602-30-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Mon, 02 Oct 2023 05:08:12 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778678246034113371 X-GMAIL-MSGID: 1778678246034113371 vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to 3 and remove the useless check in tw686x_queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/pci/tw686x/tw686x-video.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c index 3ebf7a2c95f0..74cd864365aa 100644 --- a/drivers/media/pci/tw686x/tw686x-video.c +++ b/drivers/media/pci/tw686x/tw686x-video.c @@ -426,13 +426,6 @@ static int tw686x_queue_setup(struct vb2_queue *vq, unsigned int szimage = (vc->width * vc->height * vc->format->depth) >> 3; - /* - * Let's request at least three buffers: two for the - * DMA engine and one for userspace. - */ - if (vq->num_buffers + *nbuffers < 3) - *nbuffers = 3 - vq->num_buffers; - if (*nplanes) { if (*nplanes != 1 || sizes[0] < szimage) return -EINVAL; @@ -1221,7 +1214,11 @@ int tw686x_video_init(struct tw686x_dev *dev) vc->vidq.ops = &tw686x_video_qops; vc->vidq.mem_ops = dev->dma_ops->mem_ops; vc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - vc->vidq.min_buffers_needed = 2; + /* + * Let's request at least three buffers: two for the + * DMA engine and one for userspace. + */ + vc->vidq.min_buffers_needed = 3; vc->vidq.lock = &vc->vb_mutex; vc->vidq.gfp_flags = dev->dma_mode != TW686X_DMA_MODE_MEMCPY ? GFP_DMA32 : 0;