From patchwork Mon Nov 27 16:54:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13469980 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="X46/hfSc" Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB2F71BEE; Mon, 27 Nov 2023 08:55:26 -0800 (PST) Received: from benjamin-XPS-13-9310.. (ec2-34-240-57-77.eu-west-1.compute.amazonaws.com [34.240.57.77]) (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 D177E66071EF; Mon, 27 Nov 2023 16:55:24 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104125; bh=6fLuB21NqZHQ9MYfFVjrs/3zUstZGwJ8LCc0NS9LFcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X46/hfSczoQezSpEDoB4gMCxWcrCu/PmrdfIbxsUqXyLgcUdVBnZCapFmnqB78f/N Rkq0xLW3LBtfKdyUICWd/b22L5v1j8lzrc8Y5msfSqTshXC+m7zfUGixwUhDoCz7wh wtJi0FY7JsF8dAf6NKcZYSliw+At0lUQSi71uRC9PhERPgdTULw3A3YvhiXSWBliUU gA0Fvzm0vNwLT70tWOxUAbChhbJnIzkp/Rp1vwpHGUnJ6zDMzRdOtc1O1ObkkQzdVi NxoaXijoa0y2AxYoW/ASXNaHfye9kIX7lSDtOKvdorglQxUxcxLoXJVbTkboPYDrtS azWDc8ZE0l/Rg== From: Benjamin Gaignard To: hverkuil@xs4all.nl, mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, matt.ranostay@konsulko.com Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard , Sakari Ailus , Bingbu Cao , Tianshu Qiu Subject: [PATCH 25/55] media: ipu3: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:24 +0100 Message-Id: <20231127165454.166373-26-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231127165454.166373-1-benjamin.gaignard@collabora.com> References: <20231127165454.166373-1-benjamin.gaignard@collabora.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 'min_buffers_needed' is suppose to be used to indicate the number of buffers needed by DMA engine to start streaming. ipu3 driver doesn't use DMA engine and just want to specify the minimum number of buffers to allocate when calling VIDIOC_REQBUFS. That 'min_reqbufs_allocation' field purpose so use it. Signed-off-by: Benjamin Gaignard CC: Sakari Ailus CC: Bingbu Cao CC: Tianshu Qiu --- drivers/staging/media/ipu3/ipu3-v4l2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c index 0fe2b858da83..197326fbcc2c 100644 --- a/drivers/staging/media/ipu3/ipu3-v4l2.c +++ b/drivers/staging/media/ipu3/ipu3-v4l2.c @@ -1198,7 +1198,7 @@ static int imgu_v4l2_node_setup(struct imgu_device *imgu, unsigned int pipe, vbq->buf_struct_size = imgu->buf_struct_size; vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; /* can streamon w/o buffers */ - vbq->min_buffers_needed = 0; + vbq->min_reqbufs_allocation = 0; vbq->drv_priv = imgu; vbq->lock = &node->lock; r = vb2_queue_init(vbq);