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 9C4BB4DAF88 for ; Thu, 17 Sep 2026 11:39:40 +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=1789645183; cv=none; b=koxDKqfODVeLLZLuG12x05o6uWUz00LI86XZbMfRZbtllHHFMlYP8hHZgALQs6UcyPGxyXQUDfA6/W2RadA7fVT6SGnpcrqXSRMh3FajvpXcJ+sLDRyVJJRWK/CeRKxAW/TlKa1KOjFJYhNYO8kPT0bWEFYgTAvwPt+l879iht0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789645183; c=relaxed/simple; bh=llM/j0vkPcJUMuy5LKMbsUzVqNeixWHqQKSDEX4us98=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=V7qbzgjvKMA0KPUF781FigSJRcUTGojJJ3WeqNCwfOj9e3hTut31GI0FqYxNA+NrE/xGG+mHLvRl7i9HbfdTRjUVOuiq3DP3JhHY5lRFo84xFBF5q9HBgnoBJLj8l7SHOv+EEqquTHPLs5LBW3o3CfIl7fBgaXHgoU1yCpSjs14= 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=kY62PZQ9; 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="kY62PZQ9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789645180; x=1821181180; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=llM/j0vkPcJUMuy5LKMbsUzVqNeixWHqQKSDEX4us98=; b=kY62PZQ9sZfB3/qhl5GZY7NH/nmRvKIgY/+RwHM1Jet02d+8V4kClfjo 2MH7IZpMTFMi4gMi/JnT3NeV0gbiHeX5DUOcb4OVVpYtYnJoy9nLP/90G swy3YBPx69RTnNDLRd8YGAJh1Z+gnks/83HwKDf+XkcZcJA/KRSebGpSW PpzH8nfX/mmiLz7+xS3q/KH48YtC8BSo1XQ4g9k+Ryjqa3E/d17gIj/0J YEeZvqt9TwYpph1gPSf/u3YwFzA3/bljp47da+BMcMbGCuRqamTFSSkGq 5b0SRTv3NPRVifS309ygt2bC93HLFf2w4qiCxD4YGtLg9ICxYEG+wz+0L w==; X-CSE-ConnectionGUID: md92ZMaCSbG2sxicoPMqYg== X-CSE-MsgGUID: aYq89TQ5Tr2rKDufwXVGZA== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="77622376" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="77622376" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2026 04:39:35 -0700 X-CSE-ConnectionGUID: BapQAr4cT5mFxRQew/itlQ== X-CSE-MsgGUID: XCiZn2y9SKiE6tSw2nkYEQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="271097347" Received: from alekseim-mobl.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.32]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2026 04:39:33 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id E627A121C7F; Thu, 17 Sep 2026 14:39:24 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1x7ASa-00000000FNG-0Pkh; Thu, 17 Sep 2026 14:39:24 +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 Subject: [PATCH v2 10/21] media: ipu6: Add lockdep checks for CSI-2 streaming enable and disable Date: Thu, 17 Sep 2026 14:39:12 +0300 Message-ID: <20260917113923.59004-11-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260917113923.59004-1-sakari.ailus@linux.intel.com> References: <20260917113923.59004-1-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 aa07fabb2afc..431b770cc8e2 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c +++ b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c @@ -536,6 +536,8 @@ 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"); @@ -608,6 +610,8 @@ static int ipu6_isys_csi2_disable_streams(struct v4l2_subdev *sd, u64 sink_streams; u8 vc; + lockdep_assert_held(&csi2->isys->stream_mutex); + if (!ipu6_isys_csi2_streaming_change(asd, state, pad, &vc, false)) goto out_del_csi2_entry; -- 2.47.3