From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BD1A53E2F6 for ; Tue, 22 Sep 2026 12:05:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790078752; cv=none; b=M0OV9MzNdEJYuG2gRH84aAIeo2hZ6z2d9s93sgNvZ6qOLdslkF0EIhKPD+YkozEtYwZBa4BEj5pBu7wMQwEystaf2muktbIGHt8UtyGglAsfENz5i00A2RFaqIZphP3Nk8pqvwy56rTfUS0QctJMmLSCjnwGuNwcgg/FE1tLX8Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790078752; c=relaxed/simple; bh=WshjZOiNH6cts9g1rdGYDggif+wmBcGXpZe0yAc6bN0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OAdyF3h48BI2Z9CykvruoRXA52BUsSa3/T18unSvHiFWXjFnMARx/CSeR/0bUPAdaFVWzVd68l3SwDvcANaaGBSlfomf8EPGjLZglpNipYzY054x88b15PprDKVSQRAmbp0y8fUV3W+DxtaSV7mTXTF7AQntD3gazEE6haPvQf8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=hBdsC0IG; arc=none smtp.client-ip=192.198.163.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="hBdsC0IG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790078751; x=1821614751; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WshjZOiNH6cts9g1rdGYDggif+wmBcGXpZe0yAc6bN0=; b=hBdsC0IGfG+HN6cIDT2LeScPzjVrlhRtNtrF3wHh9KuuBuMcwUtW1l/x wobK2jlDEOZuKcPAp8+GorwmnSPnQxRd77pwpRsawITmXl0SeVD32tPF+ Q19j9yHGFSxjl5tZO3zL3YWreJRWqJR8LVnCVt3dx7zjCVeeBkpU+vxCF u8pMIXxizNOrukMF2vTL6k6U1Pj0e/sQx2x8os2bGcAs63nBvUS2xwBj9 VH/x7HCRUC+Aw2iN+QCIqk/EeOEnZ6oAbKO4pcjSBOtU45ccxZnmw/XLM +ol9wiHT4K9mxGM15jgnHCxKc8NXXqRUMQMSkFGOLLVC4ZQEgcJTwwPhK A==; X-CSE-ConnectionGUID: drFBu3PPQKOqrcFFEVveFA== X-CSE-MsgGUID: WJx8QrwtRueoZS7sbBO9Ww== X-IronPort-AV: E=McAfee;i="6800,10657,11912"; a="78227094" X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="78227094" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 05:05:47 -0700 X-CSE-ConnectionGUID: LgsZN+e6QgiIirjRoqI/eQ== X-CSE-MsgGUID: CO11as3pTY2o3SEN70UA6Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="301029161" Received: from carterle-desk.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.41]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 05:05:45 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id B48C4121D0C; Tue, 22 Sep 2026 15:05:40 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1x8zFi-00000003lI8-3k6y; Tue, 22 Sep 2026 15:05:38 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: linux-media@vger.kernel.org Cc: "Yan, Dongcheng" , Mehdi Djait , "Yu, Ong Hock" , "Ng, Khai Wen" , Antti Laakso , "Bajpai, Manik" , Divyamani Tripathi , Nicola Fiorillo Subject: [PATCH v3 10/21] media: ipu6: Add lockdep checks for CSI-2 streaming enable and disable Date: Tue, 22 Sep 2026 15:05:27 +0300 Message-ID: <20260922120538.896684-11-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260922120538.896684-1-sakari.ailus@linux.intel.com> References: <20260922120538.896684-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The callbacks for enabling and disabling streams access data serialised using the isys stream_mutex; add lockdep checks for this. Signed-off-by: Sakari Ailus --- drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c index e2d367b38d4b..9c42f353f9f1 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c +++ b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c @@ -535,6 +535,8 @@ static int ipu6_isys_csi2_enable_streams(struct v4l2_subdev *sd, int ret; u8 vc; + lockdep_assert_held(&csi2->isys->stream_mutex); + ret = ipu6_isys_buffer_list_get(av->stream, &bl); if (ret < 0) { dev_warn(sd->dev, "no buffer available, DRIVER BUG?\n"); @@ -609,6 +611,8 @@ static int ipu6_isys_csi2_disable_streams(struct v4l2_subdev *sd, int ret; u8 vc; + lockdep_assert_held(&csi2->isys->stream_mutex); + ret = ipu6_isys_csi2_streaming_change(asd, state, pad, &vc, false); if (ret <= 0) goto out_del_csi2_entry; -- 2.47.3