From patchwork Mon Nov 27 16:54:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 747970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="oLGIy3SC" Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 025251BD7; Mon, 27 Nov 2023 08:55:25 -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 0260066073BB; Mon, 27 Nov 2023 16:55:22 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104123; bh=ORlm67uM5fv255axUnsY7LF5+NRgLL1FXRZ/tIF2QjU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oLGIy3SCfICUtd7xWL7fyPuo1zGdVydo4Iy1+Qb24tLeTC1ONiJGIXEqEKoRP5URg BZxpun+/9Ypo+UHvaC0YGQLXW6IDdw6noE1wfieLQqA1W2SYT+zfVUE9Cy4NNR1qjW /NUrisiu1BMMfcMIrj+x9dFAXL1HJ9Nx86NU7uHz1epUFpR3SbijDOj39E+WRGVo7D WI8jCSQbS7WGgQTUNaQInnERCDkcvyWOBterqwpgnx1kjzEI1FRUZqtF+v6sKFIYG5 H+0vpceGHBJmknKWFjeJrD6Y4LKijtNNq5lwLGlQptq7ML7DrTFGGc+gR0LJ+uUUvf iDjXx3yFLeT8Q== 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 , Steve Longerbeam , Philipp Zabel , Greg Kroah-Hartman , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team Subject: [PATCH 23/55] media: imx: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:22 +0100 Message-Id: <20231127165454.166373-24-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. imx-media-capture 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: Steve Longerbeam CC: Philipp Zabel CC: Greg Kroah-Hartman CC: Shawn Guo CC: Sascha Hauer CC: Pengutronix Kernel Team CC: Fabio Estevam CC: NXP Linux Team --- drivers/staging/media/imx/imx-media-capture.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c index ce02199e7b1b..5bb1ebd35d89 100644 --- a/drivers/staging/media/imx/imx-media-capture.c +++ b/drivers/staging/media/imx/imx-media-capture.c @@ -1022,7 +1022,7 @@ imx_media_capture_device_init(struct device *dev, struct v4l2_subdev *src_sd, vq->mem_ops = &vb2_dma_contig_memops; vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; vq->lock = &priv->mutex; - vq->min_buffers_needed = 2; + vq->min_reqbufs_allocation = 2; vq->dev = priv->dev; ret = vb2_queue_init(vq);