From patchwork Thu Jan 12 12:56:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Fricke X-Patchwork-Id: 641781 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47A82C54EBD for ; Thu, 12 Jan 2023 12:57:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231743AbjALM5A (ORCPT ); Thu, 12 Jan 2023 07:57:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231651AbjALM4k (ORCPT ); Thu, 12 Jan 2023 07:56:40 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E901B641D; Thu, 12 Jan 2023 04:56:39 -0800 (PST) Received: from localhost (89-26-75-29.goll.dyn.salzburg-online.at [89.26.75.29]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sebastianfricke) by madras.collabora.co.uk (Postfix) with ESMTPSA id 9E63B6602DBA; Thu, 12 Jan 2023 12:56:38 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1673528198; bh=8FFms7ZFvtbGRTeN4REh/YGhyU+oeFdqYWO/CK2KT8c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=hXDggCyHhkjfeIswJAT/y/OZ3Uv10V8Cte6Wd/pyHY8rOY6dr9GSn0wpvJqTPLhAn huVgJgPug9zwf6cZosazKC86t1j54jjlPgFuIsy+QRuqZT1+iPX9piPWAJMlNjqjuG OScE+wYlc6cVvt/TBZahO964vjW3VE37MbhQ94bfU0QB+iyniOOy6KJEcIgZxSjqQK fotcKNvAIDnTYGKuQZXOYWdvsbeIDsUTfJ2+wAx0S2d8E1/NX8hW0NhtfMSaHK0Ur2 Dao5hfPydn5QXY2ImcTCrAm24Q/K0DZKTPJECRS5W5DOD0MUySUoXpHHjb1QhUGGu/ qieM9+NzZLXQg== From: Sebastian Fricke Date: Thu, 12 Jan 2023 13:56:18 +0100 Subject: [PATCH v2 03/12] staging: media: rkvdec: Helper for buffer queue busy check MIME-Version: 1.0 Message-Id: <20230101-patch-series-v2-6-2-rc1-v2-3-fa1897efac14@collabora.com> References: <20230101-patch-series-v2-6-2-rc1-v2-0-fa1897efac14@collabora.com> In-Reply-To: <20230101-patch-series-v2-6-2-rc1-v2-0-fa1897efac14@collabora.com> To: Mauro Carvalho Chehab , Ezequiel Garcia , Greg Kroah-Hartman Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, Jonas Karlman , Alex Bee , Nicolas Dufresne , Collabora Kernel-domain , Robert Beckett , Laurent Pinchart , Andrzej Pietrasiewicz , Benjamin Gaignard , Sebastian Fricke X-Mailer: b4 0.11.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1673528186; l=2269; i=sebastian.fricke@collabora.com; s=linux-media; h=from:subject:message-id; bh=8FFms7ZFvtbGRTeN4REh/YGhyU+oeFdqYWO/CK2KT8c=; b=ub/wDdTpC9jeMsoCSRmmqPKTVKH8soQUtOakduE6Kmcgt/JvOwM+tMckRDcgsVcmdLW9umjznn05 a7TSEWbUC2GDJJri/M43YYI86BB6vTZEyOuxzEaRrXkA+V76F2vz X-Developer-Key: i=sebastian.fricke@collabora.com; a=ed25519; pk=pYXedPwrTtErcj7ERYeo/IpTrpe4QbJuEzSB52fslBg= Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Implement a helper function, wrapping around getting a vb2 queue and checking whether it is busy, to reduce the amount of code duplication in the driver. Signed-off-by: Sebastian Fricke --- drivers/staging/media/rkvdec/rkvdec.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index 7bab7586918c..c849f6c20279 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -27,6 +27,17 @@ #include "rkvdec.h" #include "rkvdec-regs.h" +static int rkvdec_queue_busy(struct rkvdec_ctx *ctx, enum v4l2_buf_type buf_type) +{ + struct vb2_queue *vq; + + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, buf_type); + if (vb2_is_busy(vq)) + return -EBUSY; + else + return 0; +} + static int rkvdec_try_ctrl(struct v4l2_ctrl *ctrl) { struct rkvdec_ctx *ctx = container_of(ctrl->handler, struct rkvdec_ctx, ctrl_hdl); @@ -311,13 +322,10 @@ static int rkvdec_s_capture_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct rkvdec_ctx *ctx = fh_to_rkvdec_ctx(priv); - struct vb2_queue *vq; int ret; /* Change not allowed if queue is busy */ - vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, - V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); - if (vb2_is_busy(vq)) + if (rkvdec_queue_busy(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) != 0) return -EBUSY; ret = rkvdec_try_capture_fmt(file, priv, f); @@ -335,7 +343,7 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv, struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx; const struct rkvdec_coded_fmt_desc *desc; struct v4l2_format *cap_fmt; - struct vb2_queue *peer_vq, *vq; + struct vb2_queue *vq; int ret; /* @@ -354,8 +362,7 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv, * queue, we can't allow doing so when the CAPTURE queue has buffers * allocated. */ - peer_vq = v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); - if (vb2_is_busy(peer_vq)) + if (rkvdec_queue_busy(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) != 0) return -EBUSY; ret = rkvdec_try_output_fmt(file, priv, f);