From patchwork Tue Oct 31 16:30:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13441932 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 1D60DC4167D for ; Tue, 31 Oct 2023 16:38:03 +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=pSy093gtu6sYylpAu1pxaiVT8mQtQI50EVpPlPpLNJ0=; b=4RhGsKWVbKeOAI8yq6ha3i5Vu+ o5mBB3pe+1s7Lej+lVwvr4CGb/c49mDJx936RydTvwrduV1ygq9ob8xcSGC+zVjoEJ3uPoySu72n8 0zvvKVwWS8WIoXrQDxmFxBwcl7vtw2QPFbDYwJQQQTEovjcTiM3gjvR9Sho0e/oDEVsrjLiw+VyTq mj8YhdK7Kv7OJj7c8VoXw5bvq15Qy7nemOupq4bGzaaEs5VkzLcQHmE4rVVokzuBnmItppizHZS9w VsBDUPtbGTDPNQqHdWgZnLTxVFCnRjhDv7ws/0zG92KV4F6dBbib7SVzcmwezlTLw9Med1s7Cw/d9 Qr1p3JqA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qxrkg-005fxN-0p; Tue, 31 Oct 2023 16:38:02 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qxrfD-005cex-2B; Tue, 31 Oct 2023 16:32:26 +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 E364466073B1; Tue, 31 Oct 2023 16:32:21 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698769942; bh=I24/t0ZqSyeKvdZtsSJpVc7QnzmONAbV5k9WYLKmpuU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AP4OBUFvnP886Z6HaoFYtgB0CHHMDFL/TLsU3QaEg9ADHUWMN526rTnUSD4ToZPOv Wx18D/gHbJMVRXMfnA2cRU/Qp8bwGVejYrflKSfkj8xoHN88vzq1OsTf0pRwmww81s 3aqBTrBM6jVkcKL2Fmpi98AWuwgQnSzwu6UqZ/ra/A6GoUzM7cylEi+NwzkgtrUkV6 hhqbTr3sKml6e0CeA2ZyfRpbgWAKP4QU7IWrOpUfiN2GjG0e6DuIP+lEGY0s6rlxpa vDZAhsh0zQKrKmBU/AD7QoTMn7oq5STRYM8/J2s6fQxbE9IcAJZvANgAWtKHCKi97b MxZYQcMh7fm9g== 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 , Fabrizio Castro Subject: [PATCH v14 37/56] media: renesas: Stop direct calls to queue num_buffers field Date: Tue, 31 Oct 2023 17:30:45 +0100 Message-Id: <20231031163104.112469-38-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_093223_870336_7C71A1C2 X-CRM114-Status: GOOD ( 11.26 ) 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_buffers field directly. This allows us to change how the number of buffers is computed in the future. Signed-off-by: Benjamin Gaignard CC: Fabrizio Castro Reviewed-by: Andrzej Pietrasiewicz --- drivers/media/platform/renesas/rcar_drif.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/renesas/rcar_drif.c b/drivers/media/platform/renesas/rcar_drif.c index 292c5bf9e50c..f21d05054341 100644 --- a/drivers/media/platform/renesas/rcar_drif.c +++ b/drivers/media/platform/renesas/rcar_drif.c @@ -424,10 +424,11 @@ static int rcar_drif_queue_setup(struct vb2_queue *vq, unsigned int sizes[], struct device *alloc_devs[]) { struct rcar_drif_sdr *sdr = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); /* Need at least 16 buffers */ - if (vq->num_buffers + *num_buffers < 16) - *num_buffers = 16 - vq->num_buffers; + if (q_num_bufs + *num_buffers < 16) + *num_buffers = 16 - q_num_bufs; *num_planes = 1; sizes[0] = PAGE_ALIGN(sdr->fmt->buffersize);