From patchwork Mon Nov 27 16:54:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 747973 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="BCsEkgRk" 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 D3E9519A4; Mon, 27 Nov 2023 08:55:20 -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 7184C6607295; Mon, 27 Nov 2023 16:55:18 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104119; bh=nJOkOwWG7HAPg6iANkaE4/DJj5MpFIvKCNqxFpSa5Zo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BCsEkgRkF4I9+jKVaLVK/3afs96G/4+2+vyjv9QCBgA8jFRYWCAajIW3xxZETRBo9 tgAXP7TuMlICwajFzuuxxPjlfd1iWnVacLHUsfH1f/waR8rkWqVUnyNRRUgsMur1u9 cYcusOnwHTTJnAtWClQFvLYMcs4rCCIxFcdbouVKijEy1uCVut+hPm5bfhq/WaeXd6 jiMtIsdu/kerhiVahdK02NKYg3C4/SN5aTxb6KWs9ODpChLU/SZdSImNgujMG82jjh gr5cqbYm8yNCICgMFsvZsPuA5ulTFb5mNFRjUHiXl+vpvvagIntfjcxN+TRu6S3Hzd nnNt7JCp1E3dA== 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 , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Subject: [PATCH 17/55] media: sun4i-csi: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:16 +0100 Message-Id: <20231127165454.166373-18-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. sun4i-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: Chen-Yu Tsai CC: Jernej Skrabec CC: Samuel Holland --- drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c index 95b5633b7914..8f071cba2d25 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_dma.c @@ -411,7 +411,7 @@ int sun4i_csi_dma_register(struct sun4i_csi *csi, int irq) for (i = 0; i < CSI_MAX_BUFFER; i++) csi->current_buf[i] = NULL; - q->min_buffers_needed = 3; + q->min_reqbufs_allocation = 3; q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; q->io_modes = VB2_MMAP | VB2_DMABUF; q->lock = &csi->lock;