From patchwork Tue Oct 17 14:47:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13425375 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 B38E3CDB485 for ; Tue, 17 Oct 2023 14:50:33 +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=ESB1QD8UF1wcV+0l4GJxY2w317ULLJZJ3Ezu2ToTqNI=; b=ZeOQV9wybRmogE XF8uJM2JQXWfNMwMhZQXEWKa5MZJQUJNAEZQACEQYOVNGd+NWyhzHQLH2je1g/bpJi8qYsRuAKmPS SXyrpw2rt7xlEcfv9gvJLu1nHv7U8cZTpiC0zGl2AX6tT5oLDLB2jx46M1JX8B+g1w8F86hVOenMN c8+5TCWygdYHUQ1cRngIHda8NX1t7OBT1dNY2iF3mQNDoyd3z0bVuhdOdlvkywHNrFTTiLhhSDYKE 28X8nbPIwNsUWCdgDw4HHx2HpWxXutrKpSE9VfGIGpU3eZKtz4d4Uq9GEuPB9YyZtLAifgisAL/X9 ti+R+B5ygNXgUEDqS7Jw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qslOc-00CapL-38; Tue, 17 Oct 2023 14:50:10 +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 1qslMn-00CYzc-24; Tue, 17 Oct 2023 14:48:24 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:7205:da49:a7e8:59f8]) (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 DB73D6607378; Tue, 17 Oct 2023 15:48:15 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1697554096; bh=OzWNoh3dVGH1f8/6CPeX6RasP+WQ7RCZ45t3ra50rec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CbZ4BxZyJPWCt/KTG9tG1OzCWe7n1bOCwR9S8+MGfNP8QJ0rnyNRtQDDgiwQfMhN6 enug84zFwMuguWWj/VUzqtW7XN1e7sXIyUxW9x5rj9Bh7RG4xcK39EZhQ4Dq9OKsLY Pf/snQeWHL91jp3A38vZM9CTmZ+FnSDEx92QjxJcs259okcQDzzWt49oLi+i3ZTRaV Wy8KGOplX6y1GBFPAR3yRn/PyifHu7mAYpmEnfNTWY33cvNNKXoSUrrYATLKONWE4J SlW6ST86oDUmNpkcksi7cKl+wS2TvKpnbl6HIAjmY89DB3YjQ+wRoVk6t6b3bNgQ17 rP0/Fruk1msHQ== 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 , Sergey Kozlov , Abylay Ospan Subject: [PATCH v12 24/56] media: pci: netup_unidvb: Stop direct calls to queue num_buffers field Date: Tue, 17 Oct 2023 16:47:24 +0200 Message-Id: <20231017144756.34719-25-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231017144756.34719-1-benjamin.gaignard@collabora.com> References: <20231017144756.34719-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231017_074817_846838_C893DBE5 X-CRM114-Status: GOOD ( 11.05 ) 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 futur. Signed-off-by: Benjamin Gaignard CC: Sergey Kozlov CC: Abylay Ospan --- drivers/media/pci/netup_unidvb/netup_unidvb_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index d85bfbb77a25..557985ba25db 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -293,12 +293,13 @@ static int netup_unidvb_queue_setup(struct vb2_queue *vq, struct device *alloc_devs[]) { struct netup_dma *dma = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__); *nplanes = 1; - if (vq->num_buffers + *nbuffers < VIDEO_MAX_FRAME) - *nbuffers = VIDEO_MAX_FRAME - vq->num_buffers; + if (q_num_bufs + *nbuffers < VIDEO_MAX_FRAME) + *nbuffers = VIDEO_MAX_FRAME - q_num_bufs; sizes[0] = PAGE_ALIGN(NETUP_DMA_PACKETS_COUNT * 188); dev_dbg(&dma->ndev->pci_dev->dev, "%s() nbuffers=%d sizes[0]=%d\n", __func__, *nbuffers, sizes[0]);