From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7D2B9CD6E64 for ; Wed, 3 Jun 2026 08:27:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C2FA310FA1A; Wed, 3 Jun 2026 08:27:32 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="QEO/KtI2"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 05F7B10FA1A; Wed, 3 Jun 2026 08:27:31 +0000 (UTC) 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: 6udE/mpgSniwai/kKO5Bcg== X-CSE-MsgGUID: 2oC0L1b/ROmSnifoEKOY8w== X-IronPort-AV: E=McAfee;i="6800,10657,11805"; a="98696731" X-IronPort-AV: E=Sophos;i="6.24,184,1774335600"; d="scan'208";a="98696731" 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> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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