From patchwork Thu Sep 14 13:33:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13385287 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 F330DEEAA45 for ; Thu, 14 Sep 2023 13:36:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1HzoHUvVGp9ghcj+K/m/xcGH6bZqCgEuhp8DTUadv54=; b=pk4ayWBMVMX5JimQ1nUTMFlEyX nA92Ku2zBu2mbbELD6UXcEPZMcBb73kqRCh4ABUhk1wHmdYtfZ2Hc2akARYbUoYrq3xxaqKVJjwjZ kAOP1c8WbjFGspCKlpOnd0cdn91ogxgM8U/Z3tnZr1pflqZHphRszAPMm61XB30gBU0la1salwHlw W0T788+PxKrIatQhZXZhH5VuibMJNCEG3cOsvJuEGrpE0orcoWfK23vJKSwUfqhsOGjTHv6XhtSYZ CSxkk7U+EgkR/Q+bfI6EBKnTsq2KKnkl7Z/si7qXropbmV/e852H+nzVh7iTK02uyKVhB0JCDxRX9 +6vqZ+KQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qgmVy-008UpS-1f; Thu, 14 Sep 2023 13:36:14 +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 1qgmTb-008SLG-0d; Thu, 14 Sep 2023 13:33:50 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:36f2:37bd:ccbb:373f]) (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 3C6BB6607352; Thu, 14 Sep 2023 14:33:45 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1694698425; bh=tAy3PWxSfQVkJIZXcTG5de+gZEZpPM2JZfwPqhWBibI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nEP/V+iuUOYi2MTo66Frdk0Pt2cXkpb1dzgT0U/dICA49ehjlCHAL7XpJzJMUcER/ rRD9qTOr7d8zx9+87VOeV47F+p2+Mh2xAp0QYnU2P6Tzjxz3HzCKIn8IXhs3MD6u8A Zk8FuXkREfZYyZBGgnIIjQg9hggy1s4IobL5sPVr8VY05PSd4HLGewUJ+T7iMvh56+ AUyiqobkuW3713EX0SXbTziy7FZpI4k5OEEweycYS4kJIlLscF6xv+oab1j0J7Mxt6 9/7+O8+4LiS34ChguqJkCN8U4ZIvLGTr39lzr/c7vFNv9JAXTi4XVxUaSH4ezG3uaP 7pXpfUBhFGyhg== 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 v7 27/49] media: pci: tw686x: Stop direct calls to queue num_buffers field Date: Thu, 14 Sep 2023 15:33:01 +0200 Message-Id: <20230914133323.198857-28-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230914133323.198857-1-benjamin.gaignard@collabora.com> References: <20230914133323.198857-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230914_063347_468070_52B7A5E5 X-CRM114-Status: GOOD ( 11.93 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/media/pci/tw686x/tw686x-video.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c index 3ebf7a2c95f0..6bc6d143d18c 100644 --- a/drivers/media/pci/tw686x/tw686x-video.c +++ b/drivers/media/pci/tw686x/tw686x-video.c @@ -423,6 +423,7 @@ static int tw686x_queue_setup(struct vb2_queue *vq, unsigned int sizes[], struct device *alloc_devs[]) { struct tw686x_video_channel *vc = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); unsigned int szimage = (vc->width * vc->height * vc->format->depth) >> 3; @@ -430,8 +431,8 @@ static int tw686x_queue_setup(struct vb2_queue *vq, * 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 (q_num_bufs + *nbuffers < 3) + *nbuffers = 3 - q_num_bufs; if (*nplanes) { if (*nplanes != 1 || sizes[0] < szimage)