From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 6D66C49EC78 for ; Mon, 14 Sep 2026 20:54:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789419244; cv=none; b=T5LNYXlHBIK0DE9zHGmxDeDs+iF7TVYNkSoQo9e1zcx48PAXdyEbcxlvRI/90et7Tc8iZij8It6n6Cl0T9wEPEWzwSzq/4zooHA6zm3EmW3q1IIefCP22FZ10LUl227j5EJTwJQYvKLqDVR3kjQDnNCysJJuZ/HIFNhatnRcxn8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789419244; c=relaxed/simple; bh=jMwWKcv9Snp6Ce9P2Hq1hqk/4X5bAdqNthFZSA2aCfk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZIJ6/LgW9hRNqyK2PQGggeqeWMDkQLM0YbMWXF9W2OBkKy/NhlQ/KrzmMdT8m9hT862peO0Dr34VXQ5eoqOJrOBrvAkieQYDD2/eU9yajfGidRiTVSamkxjbMcy3NTfL0lTDheqrlo0x7vJFkJALL2pBJeQiQR6nX99ZJnXZz1o= 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=ZanAkw83; arc=none smtp.client-ip=198.175.65.16 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="ZanAkw83" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789419243; x=1820955243; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jMwWKcv9Snp6Ce9P2Hq1hqk/4X5bAdqNthFZSA2aCfk=; b=ZanAkw83tagwI9AfqD7fEz+IVirHx6imKZlDZdxflzsP8yOPQukS1oen rlX2AM32TzXLrpzT90aMw69gtO0rugwXmF2lMakWjG9SFUJHV0aSI2Ynd zX3c9MwhqT+9PUaXvbVgpTODsKAw7fxVON7TtksMJZMR/kiVfdXpSLp1R CBDW7d2qw26yiOsvIK+AxGgVKM92yUuZ65+9bwQkZ1o4i+AJU2CvBywBy h409DAlPY+MmMeah8ngKn2v+1DkcMMHxUp28H3P+Y4fwKOOkJLlpMZWHp Zun7Y1XU/5DwfI6wb3FfDRK5B4jIyPMtTqz0hUPlxRTvZ7+9l8l1l++Pi Q==; X-CSE-ConnectionGUID: t4WovpJWRAuSJnzuX+7/iw== X-CSE-MsgGUID: qjPh4C3sRceG+zhmP1hUWA== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="89984121" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="89984121" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2026 13:53:59 -0700 X-CSE-ConnectionGUID: h0187VFzQS+pQJm32+W13Q== X-CSE-MsgGUID: VhzjQwfeR/uPxgHgw4PwJg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="297760724" Received: from pgcooper-mobl3.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.173]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Sep 2026 13:53:56 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 5D26E121BC0; Mon, 14 Sep 2026 23:53:59 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1x6Dgc-000000035JO-3ZVC; Mon, 14 Sep 2026 23:53:58 +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 10/21] media: ipu6: Add lockdep checks for CSI-2 streaming enable and disable Date: Mon, 14 Sep 2026 23:53:47 +0300 Message-ID: <20260914205358.735307-11-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260914205358.735307-1-sakari.ailus@linux.intel.com> References: <20260914205358.735307-1-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 946a9fbfd6bf..70b48d02c0c0 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