From patchwork Thu Nov 9 16:34:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13451532 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 4D778C4332F for ; Thu, 9 Nov 2023 16:39:47 +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=b6rfIsFSLaalvLowrNo3TQc02mkvlG/zWuY9eDwurP8=; b=eSd1Vg0pY+4Pjy OFTXuwANLSLG48iHetr0JhW4usvoYBkpQPO5nLd1XNeICCbyw2ktJNoIFSQzfiLaDZydT0Kv8zHce 1lTY1td0oCDcLYLAURBnEZOHV+4pJ8im7uj/ARp5q8b4SPb06EiSHmp+U4RGHXwJR6l7ThdFDCnm2 qCCtCh/PPpj5avWL8wOFBtmZrFXuVig3idxDi1gQEOMVyJM02CEyKDwpPQddiyzodLk7+3pDix3JQ QbZIhxP3V2zivCYrm7bAdURbxkMkch62IWwivjQmAGiqLjGYa7+aaxsZBjioZL7KyDRR+kZcqxvwg PoWL8LmCW5FolEc3EkZw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r183s-006mk3-0S; Thu, 09 Nov 2023 16:39:20 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r182m-006lXi-1w; Thu, 09 Nov 2023 16:38:14 +0000 Received: from benjamin-XPS-13-9310.. (cola.collaboradmins.com [195.201.22.229]) (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 4D31266076B3; Thu, 9 Nov 2023 16:38:10 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1699547891; bh=roMZqY02Ppm/ZZDxSWLBYnwC9qWY5WYlcRmRF4LgVfc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZtTtaQuYMg7f8j8Goycl1oCr0SsWzOhJcrfUWHhg4oCX8CzMSAE6r/w4Ee76yPefo QZxRjxp4taRfSUVLq+K/6nYBrteXOO1sztNV/YiGewELHy+ZCWKOuY9dIwLBYbRyrv niB062ESQMiuRZRQuEyosTGUvpoIvvmG9gRNTfVa0tVzdLUdRYxgJiOvXhfSETL/Qr pgMb+9+VwFAcVXvhT3Ys4bcObFg+abaLIAeKmZGrBgCWaIH5p+NmgUFJZ0TjFt0QH9 gIs8KxF/Kf2/rJBGckMIHbg8sDA5tJqs2cFbjMibtp7zbD9MQrb3Q+OIQxl+qPyA6X 6sbKjd9+zqnaQ== 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 , Andrzej Pietrasiewicz , Neil Armstrong Subject: [PATCH v15 32/56] media: meson: vdec: Stop direct calls to queue num_buffers field Date: Thu, 9 Nov 2023 17:34:48 +0100 Message-Id: <20231109163512.179524-33-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231109163512.179524-14-benjamin.gaignard@collabora.com> References: <20231109163512.179524-14-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231109_083812_781925_E2B0A051 X-CRM114-Status: GOOD ( 12.54 ) 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. This allows us to change how the number of buffers is computed in the future. Signed-off-by: Benjamin Gaignard Reviewed-by: Andrzej Pietrasiewicz CC: Neil Armstrong --- drivers/staging/media/meson/vdec/vdec.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c index 219185aaa588..1e2369f104c8 100644 --- a/drivers/staging/media/meson/vdec/vdec.c +++ b/drivers/staging/media/meson/vdec/vdec.c @@ -167,22 +167,23 @@ static void process_num_buffers(struct vb2_queue *q, bool is_reqbufs) { const struct amvdec_format *fmt_out = sess->fmt_out; - unsigned int buffers_total = q->num_buffers + *num_buffers; + unsigned int q_num_bufs = vb2_get_num_buffers(q); + unsigned int buffers_total = q_num_bufs + *num_buffers; u32 min_buf_capture = v4l2_ctrl_g_ctrl(sess->ctrl_min_buf_capture); - if (q->num_buffers + *num_buffers < min_buf_capture) - *num_buffers = min_buf_capture - q->num_buffers; + if (q_num_bufs + *num_buffers < min_buf_capture) + *num_buffers = min_buf_capture - q_num_bufs; if (is_reqbufs && buffers_total < fmt_out->min_buffers) - *num_buffers = fmt_out->min_buffers - q->num_buffers; + *num_buffers = fmt_out->min_buffers - q_num_bufs; if (buffers_total > fmt_out->max_buffers) - *num_buffers = fmt_out->max_buffers - q->num_buffers; + *num_buffers = fmt_out->max_buffers - q_num_bufs; /* We need to program the complete CAPTURE buffer list * in registers during start_streaming, and the firmwares * are free to choose any of them to write frames to. As such, * we need all of them to be queued into the driver */ - sess->num_dst_bufs = q->num_buffers + *num_buffers; + sess->num_dst_bufs = q_num_bufs + *num_buffers; q->min_buffers_needed = max(fmt_out->min_buffers, sess->num_dst_bufs); }