From patchwork Tue Oct 31 16:30:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 739891 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 1960BC00142 for ; Tue, 31 Oct 2023 16:34:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345314AbjJaQeI (ORCPT ); Tue, 31 Oct 2023 12:34:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346430AbjJaQdU (ORCPT ); Tue, 31 Oct 2023 12:33:20 -0400 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 48BC91722; Tue, 31 Oct 2023 09:32:10 -0700 (PDT) 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 D37BE66073D2; Tue, 31 Oct 2023 16:32:06 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698769927; bh=qQNeAhJBC9caR9+SHO5bRaHlsjRbtaBcnQ4MqubG9oU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KGDwsSyex4h//bF3xFiL7LsGvZnB2p5AQvTDn/EOKZq5TV+PEafSVzMB8vvMM5HMK I5Q09T4zvnj5Y6eMgh3Q1rDi7sDv6ManTDoQtW9hk1c9eh5gShBR+evkATdPYaHHsk aWFftRCqYabB+M+sino4qs3ojBc6b+x4jsScac/vXnVxOpq9SXBKC/0xQXe/6JN7xP 1WBKYkKWyRcTRg3lDpNv92DbjcZsmQiAZVpUDVZ6F2xbaF3UPuNCKi1Wb7TyxAM2ms aLZ1vEHUZxRwOKX2fbqX7S+6kcvLIdfGyJq+3DdhQ0LfpB9JOaz9xT9+I2jLEMOvVK ktKuPL3T6vPUg== 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 , Dmitry Torokhov Subject: [PATCH v14 33/56] touchscreen: sur40: Stop direct calls to queue num_buffers field Date: Tue, 31 Oct 2023 17:30:41 +0100 Message-Id: <20231031163104.112469-34-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 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 Acked-by: Dmitry Torokhov Reviewed-by: Andrzej Pietrasiewicz --- drivers/input/touchscreen/sur40.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index 8ddb3f7d307a..e7d2a52169a0 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -847,9 +847,10 @@ static int sur40_queue_setup(struct vb2_queue *q, unsigned int sizes[], struct device *alloc_devs[]) { struct sur40_state *sur40 = vb2_get_drv_priv(q); + unsigned int q_num_bufs = vb2_get_num_buffers(q); - if (q->num_buffers + *nbuffers < 3) - *nbuffers = 3 - q->num_buffers; + if (q_num_bufs + *nbuffers < 3) + *nbuffers = 3 - q_num_bufs; if (*nplanes) return sizes[0] < sur40->pix_fmt.sizeimage ? -EINVAL : 0;