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 6EC92CD6E4C for ; Fri, 29 May 2026 07:55:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B4B4810FA68; Fri, 29 May 2026 07:55:56 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; secure) header.d=linutronix.de header.i=@linutronix.de header.b="rnLY2qa5"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="RsCD7dVz"; dkim-atps=neutral X-Greylist: delayed 453 seconds by postgrey-1.36 at gabe; Fri, 29 May 2026 07:55:54 UTC Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by gabe.freedesktop.org (Postfix) with ESMTPS id EFF0910FA66; Fri, 29 May 2026 07:55:54 +0000 (UTC) Date: Fri, 29 May 2026 09:48:16 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1780040898; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DDsih4SqsFbZVSQ6/Dn2K0NJqce5HwZ23VRoi6b0lL4=; b=rnLY2qa54BPXzDgQe1mXijqDIefpWP8kX/cTIu052hfdonoVoGNqzJi3lF75EU0CTF83Fe 4PRO+W6JbnM5K2+2+RdIvXajW7XD20q2daszzewpOCfup4Z/t89WzJub/qc6/RO44sRMvl qGFdBVRX4pmNYqRkvlIpMNDBiUBMYiZ6gdgr8QThr54Fw0ZyI84HtpUSOQtELadLHYE1cR iVsKPV4UQCXBiidlbJMYS8Vm6f5n1btzQZikw5YMvFGAG8Hi50526dc4tcc6cmWjw0EJeu JN15wuhpk41j2/tKZvhs5yvAnvhMZ0XfHmsofVPV93rwK+bz+rdG91IUAz2KOA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1780040898; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DDsih4SqsFbZVSQ6/Dn2K0NJqce5HwZ23VRoi6b0lL4=; b=RsCD7dVzqySTQbWDZdkyNwg2IMtYYh8D4+KJwfntZV6NgNhuaqd+3B+FaSriYcITsgphJ3 UxZ+Sws9XIDjw4Dw== From: Sebastian Andrzej Siewior To: Runyu Xiao , Maarten Lankhorst Cc: jani.nikula@linux.intel.com, rodrigo.vivi@intel.com, joonas.lahtinen@linux.intel.com, tursulin@ursulin.net, airlied@gmail.com, simona@ffwll.ch, clrkwllms@kernel.org, rostedt@goodmis.org, jerome.anand@intel.com, pierre-louis.bossart@linux.dev, tiwai@suse.de, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, jianhao.xu@seu.edu.cn, stable@vger.kernel.org Subject: Re: [PATCH] drm/i915/audio: use generic_handle_irq_safe() for LPE audio irq Message-ID: <20260529074816.k1K16jyy@linutronix.de> References: <20260528154551.3708290-1-runyu.xiao@seu.edu.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20260528154551.3708290-1-runyu.xiao@seu.edu.cn> 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 2026-05-28 23:45:51 [+0800], Runyu Xiao wrote: > intel_lpe_audio_irq_handler() forwards the LPE audio child IRQ from the > i915 parent IRQ path with generic_handle_irq(). The forwarded child top > half is not an independent hardirq entry point; it inherits the context > of the outer i915 interrupt dispatch path. =E2=80=A6 This looks very familiar and is work in progress https://lore.kernel.org/all/20260310115709.2276203-16-dev@lankhorst.se/ Maarten, where do we stand on the i915 series? > Fixes: eef57324d926 ("drm/i915: setup bridge for HDMI LPE audio driver") > Cc: stable@vger.kernel.org No stable fix needed because i915 can not be turned on PREEMPT_RT. Sebastian