From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 101E3409632 for ; Wed, 3 Jun 2026 08:27:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780475253; cv=none; b=RAysQ1ryFug3H4g2N9BZYwiW5PlCjSRNXMXdiWLKb3GeOR7Pet8ArRAVUjH/PkPKJK83e/r6vgQSXtHw1gVcwkTGpOU9XOzMssPaQKI0u/2IstLG/fHC3ye0z2HpPe7/YcePJnNsvBVnlOB0VPVLkzLjJJhGMOk5WrvNQv7g/qU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780475253; c=relaxed/simple; bh=tMlNo3koGceEqsnJYRqTljD/W1UJMZuj71kL7Fbq4/0=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=MlYCpxnmYdxBNNa2/r2bh4WXcDrYmqJxhgN0JksJz6LnXPjQsjgg0HrbAiV4keFj8PUYLSBfTNFdsn1PaBR1zvj31kegQBU0/6MQM8LxubO5kbtMRHc5QKKKHzCn2Ln6C76ZbmqmOv4jWM4J6IOrvYA4qFSDh6vZ/Z8+duyMHm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=QEO/KtI2; arc=none smtp.client-ip=198.175.65.10 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=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QEO/KtI2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1780475252; x=1812011252; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=tMlNo3koGceEqsnJYRqTljD/W1UJMZuj71kL7Fbq4/0=; b=QEO/KtI2NghJNZTREHUQbFuxcXxYJMaC/bWVleLc85p8Go9eRZOpy/8y jIyz5DRDOFqdOHNFjQLNrTGWzuiyPk/YhRITph7yNolwO9l/2aUc8hydv f9qEkdSHcizmhaeBuhM965jaGGJFFy+dSMwsSDfXEK3JkYZbI7egJcRRQ iEg0ouWSWx8ppzzCzOoMADTxfFNanJ1GBpUHWR+cIklW9p3CgyqCVl/WT 56ACPKDlDBgKE9TvFB7i6jGpYrXMsc/viMnXi5DmViVrHzY7WYA+N2Wd3 pUYCYwDaEYEb8FEbc+a5aopHxu2NdDuAJ3u/kUqlzOIPbIgFzPW+25RWN g==; X-CSE-ConnectionGUID: 4C6txcc0TNqa9FziHbzPMg== X-CSE-MsgGUID: faju1MPhS3COs2nZKsyBRg== X-IronPort-AV: E=McAfee;i="6800,10657,11805"; a="98696726" X-IronPort-AV: E=Sophos;i="6.24,184,1774335600"; d="scan'208";a="98696726" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2026 01:27:31 -0700 X-CSE-ConnectionGUID: +lGZn+AdTbmyHwoKIDDktQ== X-CSE-MsgGUID: hiCbU2wyTo+S0KzbqpGWfQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,184,1774335600"; d="scan'208";a="282270046" Received: from abityuts-desk.ger.corp.intel.com (HELO localhost) ([10.245.244.189]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2026 01:27:26 -0700 From: Jani Nikula To: Maarten Lankhorst , Sebastian Andrzej Siewior , Runyu Xiao Cc: rodrigo.vivi@intel.com, joonas.lahtinen@linux.intel.com, tursulin@ursulin.net, airlied@gmail.com, simona@ffwll.ch, matthew.brost@intel.com, uma.shankar@intel.com, pierre-louis.bossart@linux.dev, jerome.anand@intel.com, tiwai@suse.de, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, jianhao.xu@seu.edu.cn Subject: Re: [PATCH v3] drm/i915/display: Fix intel_lpe_audio_irq_handler for PREEMPT-RT In-Reply-To: <3e012936-8493-43c8-b547-17ae40e6ef74@lankhorst.se> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland References: <20260602004515.1907422-1-runyu.xiao@seu.edu.cn> <20260602062957.0Nbtw_yY@linutronix.de> <3e012936-8493-43c8-b547-17ae40e6ef74@lankhorst.se> Date: Wed, 03 Jun 2026 11:27:23 +0300 Message-ID: <41760e1def08cbf51bf868a7ebf393e0d9e59125@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Tue, 02 Jun 2026, Maarten Lankhorst wrote: > Thanks, pushed! Where are the CI results? > > On 6/2/26 08:29, Sebastian Andrzej Siewior wrote: >> On 2026-06-02 08:45:15 [+0800], Runyu Xiao wrote: >>> From: Maarten Lankhorst >>> >>> The LPE audio interrupt comes from the i915 interrupt handler. It >>> should be in irq disabled context. >>> >>> With PREEMPT_RT enabled, the IRQ handler is threaded. >>> Because intel_lpe_audio_irq_handler() may be called in threaded IRQ context, >>> generic_handle_irq_safe API disables the interrupts before calling LPE's >>> interrupt top half handler. >>> >>> This fixes braswell audio issues with RT enabled. >>> >>> Signed-off-by: Maarten Lankhorst >>> Reviewed-by: Matthew Brost >>> Reviewed-by: Uma Shankar >>> Signed-off-by: Runyu Xiao >> >> Reviewed-by: Sebastian Andrzej Siewior >> >> Sebastian > -- Jani Nikula, Intel