From patchwork Tue Oct 3 08:06:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13407182 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 84025E75433 for ; Tue, 3 Oct 2023 08:10:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0TSqp6Xg7tYqDb7R4s92qu7ZKxdSyDqhES2JwwQDJa4=; b=bBt6xGSPTz7lN8 Y4X4YgLgSgO40JCMsOBq1ncXGnXRcrU0xANzPytOesILP6LyJnNdJ6ycFYptVuhidI/VrXN6Mzzse 1PBlhS7lrQ8FH+dKjUQ6PoDDq1sZ3+UdhOAM9UZVPSIFAACqW6aXLZTQIVmHgOXHjXsFVuHz+LVW0 PAcij2MgR1wTAEpeNoqHuRsLHTCMvQJkhcU+li6+x0U7ILK2XtHQp7iC8aRgiVFdQP+iM3wdzsx7j XvhuqsN9B+7rYZXhdu4qYANDJPCtupRbH/PCPSccX3br+l0yuopTf7N5ilwdWwHBOUR3V+TbPoO2U 8dQhnSndiJVkaFStsFkw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qnaUA-00E7CW-14; Tue, 03 Oct 2023 08:10:30 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qnaRe-00E3ko-17; Tue, 03 Oct 2023 08:07:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=tNAbg+knkabZcIfZKYQJcMQ9aVj2QfkLtg7kl/Xz8lA=; b=dfy8Lqwyy/1uL2jvDRTFwlTKAB Kpsl3qPgUYAuBCrcSje5SBVpr/wjbP7kG9pP5mgWjfqrRw8T2TD9sqDyGmVFa6kD/IXD7GzI7zOd2 SwsII86XE5057k+J2v3FsYxHwM7zscd13tdJA/NNgPoT/mG3SQ+TXhxISVeqmclpG9q15xtBdXaBI c6m6tMMKk7iRXA/G+ofyyECXQcYVM0OyvFax9mwGgApEuwCBecVoCXVO6F8jXWNrAPeWTh0ddt6G7 EDJxYCa6v/CcJm6hPdmtgChtGpAJG1ys9FoTFW9i1ftzBZowJVmejk9fptTo378Iu3O6HkA7CJJNm f5cmsrGA==; Received: from madras.collabora.co.uk ([46.235.227.172]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qnaRN-009jwX-1Q; Tue, 03 Oct 2023 08:07:53 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:b6df:b784:6a0f:8451]) (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 D67136607387; Tue, 3 Oct 2023 09:07:36 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696320457; bh=ph7BpDmTndhVgQkibEyHEMgMXbFU1u8TVxC65OSPSxg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M44ioBZhEwt4ZQbAALO2XXtYqIDGCjGeVsmIoBks7uX9DDOhq8vUWkL5PGfjQVglZ 1+sPRHNS8dyXnQiakiWavVMU+UfU4V9x9Q5iFbyPHq1AXLmWM9PZQtfrIfdR6zz+H+ nzAjBiiAU3PJX2OitiWDAmvtVuxmuT47sLRz0CwXHRrPiYF+qu7NkdopQ0cVaymreP 7hd1ZJM4803LMbS3FvYju4wirdhfnaO4b//9sBjo5t8xECVF05/hHuWvS35dqb9Ivb Alpu7hyS0WYUujk7vlDAP56gQBjz/GwtSOH4v0W/euDtaia/xsmOwtku4DFdm2Stbr 0cAoRIKo+NhmA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v10 46/54] sample: v4l: Stop direct calls to queue num_buffers field Date: Tue, 3 Oct 2023 10:06:55 +0200 Message-Id: <20231003080704.43911-47-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231003080704.43911-1-benjamin.gaignard@collabora.com> References: <20231003080704.43911-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231003_090751_651282_A04D293C X-CRM114-Status: GOOD ( 11.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use vb2_get_num_buffers() to avoid using queue num_buffers field directly. Signed-off-by: Benjamin Gaignard --- samples/v4l/v4l2-pci-skeleton.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/samples/v4l/v4l2-pci-skeleton.c b/samples/v4l/v4l2-pci-skeleton.c index a61f94db18d9..a65aa9d1e9da 100644 --- a/samples/v4l/v4l2-pci-skeleton.c +++ b/samples/v4l/v4l2-pci-skeleton.c @@ -155,6 +155,7 @@ static int queue_setup(struct vb2_queue *vq, unsigned int sizes[], struct device *alloc_devs[]) { struct skeleton *skel = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); skel->field = skel->format.field; if (skel->field == V4L2_FIELD_ALTERNATE) { @@ -167,8 +168,8 @@ static int queue_setup(struct vb2_queue *vq, skel->field = V4L2_FIELD_TOP; } - if (vq->num_buffers + *nbuffers < 3) - *nbuffers = 3 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 3) + *nbuffers = 3 - q_num_bufs; if (*nplanes) return sizes[0] < skel->format.sizeimage ? -EINVAL : 0;