From patchwork Wed May 24 00:15:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 9744607 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4D3CC6032B for ; Wed, 24 May 2017 00:17:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 40F5D28840 for ; Wed, 24 May 2017 00:17:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3602828863; Wed, 24 May 2017 00:17:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD8E028840 for ; Wed, 24 May 2017 00:17:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937864AbdEXARF (ORCPT ); Tue, 23 May 2017 20:17:05 -0400 Received: from smtp-4.sys.kth.se ([130.237.48.193]:46773 "EHLO smtp-4.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937838AbdEXARC (ORCPT ); Tue, 23 May 2017 20:17:02 -0400 Received: from smtp-4.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-4.sys.kth.se (Postfix) with ESMTP id 57CBF33FC; Wed, 24 May 2017 02:17:00 +0200 (CEST) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-4.sys.kth.se ([127.0.0.1]) by smtp-4.sys.kth.se (smtp-4.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 8X31hygbGxdJ; Wed, 24 May 2017 02:16:59 +0200 (CEST) X-KTH-Auth: niso [89.233.230.99] X-KTH-mail-from: niklas.soderlund@ragnatech.se Received: from bismarck.berto.se (unknown [89.233.230.99]) by smtp-4.sys.kth.se (Postfix) with ESMTPSA id 5DF592F09; Wed, 24 May 2017 02:16:59 +0200 (CEST) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: Laurent Pinchart , Hans Verkuil , linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, tomoharu.fukawa.eb@renesas.com, Kieran Bingham , Sakari Ailus , =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH v2 09/17] rcar-vin: decrease buffers needed to capture Date: Wed, 24 May 2017 02:15:32 +0200 Message-Id: <20170524001540.13613-10-niklas.soderlund@ragnatech.se> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170524001540.13613-1-niklas.soderlund@ragnatech.se> References: <20170524001540.13613-1-niklas.soderlund@ragnatech.se> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Niklas Söderlund It's possible to grab frames using only one buffer, this should never have been set to anything else then 1. Signed-off-by: Niklas Söderlund Reviewed-by: Laurent Pinchart --- drivers/media/platform/rcar-vin/rcar-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index 9ccd5ff55e192514..c37f7a2993fb5565 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -1183,7 +1183,7 @@ int rvin_dma_probe(struct rvin_dev *vin, int irq) q->ops = &rvin_qops; q->mem_ops = &vb2_dma_contig_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed = 2; + q->min_buffers_needed = 1; q->dev = vin->dev; ret = vb2_queue_init(q);