From patchwork Tue Oct 31 16:30:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13441888 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 EF9DBC4167B for ; Tue, 31 Oct 2023 16:36:24 +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=E0GvgnElLuhVZ2PqsMUBjhsZIUl/ukOsFVlNn4O8wOM=; b=KZy488x7lXXlgY zUXhKc8FLmHa2JY+lccoGZzMzGOPISAAyuSqUGdT0p828fCmCa662bScEincSxDtQVSXedkVS0dV+ KGw888vl3mzoLRu7etCNO2FXj7MOOzBKO7y3VzRJjr6nFD+l4n6qm9gG5rs/5Kii1dF+lr3V4dDYN w9iGOkHEkV5T8hsJtdU/teqxSEubxu1qp6ULrBo7iN3uHcB1hPwr9dnje2ClpT5jo5LAUuygeLGoD SY+Qg3EG2ITN3jBXCNkaj6rDS0/gD+oJTwkZfgMhbpCcGVWGAnHr0mYIs7eOW523dhdUWSSVvYTTl Xq1cYRVku9v132/Uxw8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qxrih-005et8-1h; Tue, 31 Oct 2023 16:35:59 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qxrel-005cF0-0k; Tue, 31 Oct 2023 16:31:56 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:c562:2ef4:80c0:92f]) (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 A3D6C66073D4; Tue, 31 Oct 2023 16:31:53 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698769914; bh=QC82AXVc6xizeIJsB4Zdjgq5ICrOlS6NNBj04+AQSGQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cZkU1yaD6X7Q0pinG+R4/8/q3wT+GUj3BQ6kKWXxQJfXU0TcceSsl8sOtEtvebV1M 5ALA7DwdsJ9GRfJATTS41S0C1uioVBgjnvBz289ZOhMxWmMiWZpMUVoWVkMyjIY2LK Uj0c3Sl0mDNXkMJbCaTWARshcVbqsrBsCgo3nkThNZciYOAw0XXHJmUxzSY9qKu2yH BBduwU8Q74RM4FIl77pghSns2d8nc7zhX9ZNdQPxm36raM+CMRGAt1082qIU1m7iUh szcgEsy/eh7PDzLGjDgaTYM/xW9Oy3TF789dQNmw6bmJGyGQsSF/HdTAwKl8yLqBvZ DnVLcMdlvYVMg== 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 , Matt Ranostay Subject: [PATCH v14 26/56] media: i2c: video-i2c: Stop direct calls to queue num_buffers field Date: Tue, 31 Oct 2023 17:30:34 +0100 Message-Id: <20231031163104.112469-27-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231031163104.112469-1-benjamin.gaignard@collabora.com> References: <20231031163104.112469-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231031_093155_432665_5AB2893A X-CRM114-Status: GOOD ( 10.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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: Matt Ranostay --- drivers/media/i2c/video-i2c.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c index 178bd06cc2ed..ebf2ac98a068 100644 --- a/drivers/media/i2c/video-i2c.c +++ b/drivers/media/i2c/video-i2c.c @@ -405,9 +405,10 @@ static int queue_setup(struct vb2_queue *vq, { struct video_i2c_data *data = vb2_get_drv_priv(vq); unsigned int size = data->chip->buffer_size; + unsigned int q_num_bufs = vb2_get_num_buffers(vq); - if (vq->num_buffers + *nbuffers < 2) - *nbuffers = 2; + if (q_num_bufs + *nbuffers < 2) + *nbuffers = 2 - q_num_bufs; if (*nplanes) return sizes[0] < size ? -EINVAL : 0;