From patchwork Mon Nov 27 16:54:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13469963 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="UyygRunY" Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F313919B; Mon, 27 Nov 2023 08:55:12 -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 E9E7766072EC; Mon, 27 Nov 2023 16:55:10 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104111; bh=/omb2mE5oy70HH/kBxdqmwaLlWf6cHg+GYUl9K/Xqzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UyygRunYjRkADBLKm+WPF/uWjoPZcVap4oKYXcLdaRC88jMZmnDU+EfLGW7qTd5PE ymFjgeVJlgGiAt59YziOGCV821Io/7/yu4OJGU1nOEfM1ZSR6lPcRQrZBofG0xAPNR RloGvqNXRoGjpoYltJJjTGRAtwvYlE4QxeV4LuBYrfuZHzyrx0tFB8qlLsHOK/zfx4 4eWJByOcHtfS4j3e8OgsW2eHI/aeJMJG0wyasx+YcTt6eH2+YE3xejO5KPWkBBj2tX bxwCjvK2sJrjCcZg+0TxE8KqYmnHZwT+1oYFYFL3zb+V2DKWurp/PSI1g3bZVRB4wF ww/bxPqt7IzEQ== 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 , Rui Miguel Silva , Laurent Pinchart , Martin Kepplinger , Purism Kernel Team , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team Subject: [PATCH 08/55] media: imx7-media-csi: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:07 +0100 Message-Id: <20231127165454.166373-9-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. imx7-media-csi 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: Rui Miguel Silva CC: Laurent Pinchart CC: Martin Kepplinger CC: Purism Kernel Team CC: Mauro Carvalho Chehab CC: Shawn Guo CC: Sascha Hauer CC: Pengutronix Kernel Team CC: Fabio Estevam CC: NXP Linux Team --- drivers/media/platform/nxp/imx7-media-csi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c index 1d2464ca59b8..dcc8c54228e4 100644 --- a/drivers/media/platform/nxp/imx7-media-csi.c +++ b/drivers/media/platform/nxp/imx7-media-csi.c @@ -1676,7 +1676,7 @@ static int imx7_csi_video_init(struct imx7_csi *csi) vq->mem_ops = &vb2_dma_contig_memops; vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; vq->lock = &csi->vdev_mutex; - vq->min_buffers_needed = 2; + vq->min_reqbufs_allocation = 2; vq->dev = csi->dev; ret = vb2_queue_init(vq);