From nobody Fri Sep 20 11:29:13 2024 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 AAF06E784B8 for ; Mon, 2 Oct 2023 12:07:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237256AbjJBMH5 (ORCPT ); Mon, 2 Oct 2023 08:07:57 -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 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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/tw= 686x/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 =3D (vc->width * vc->height * vc->format->depth) >> 3; =20 - /* - * Let's request at least three buffers: two for the - * DMA engine and one for userspace. - */ - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; - if (*nplanes) { if (*nplanes !=3D 1 || sizes[0] < szimage) return -EINVAL; @@ -1221,7 +1214,11 @@ int tw686x_video_init(struct tw686x_dev *dev) vc->vidq.ops =3D &tw686x_video_qops; vc->vidq.mem_ops =3D dev->dma_ops->mem_ops; vc->vidq.timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - vc->vidq.min_buffers_needed =3D 2; + /* + * Let's request at least three buffers: two for the + * DMA engine and one for userspace. + */ + vc->vidq.min_buffers_needed =3D 3; vc->vidq.lock =3D &vc->vb_mutex; vc->vidq.gfp_flags =3D dev->dma_mode !=3D TW686X_DMA_MODE_MEMCPY ? GFP_DMA32 : 0; --=20 2.39.2