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 47BE9C53200 for ; Wed, 29 Jul 2026 15:31:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DE0E710ECA1; Wed, 29 Jul 2026 15:31:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="m08ILuHw"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 95DAE10ECA1 for ; Wed, 29 Jul 2026 15:31:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785339061; x=1816875061; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UQYh//v/OZZ8x9qRtEKztvsAkHsJ2fm3i4llQjIYcms=; b=m08ILuHw7B/e64b7eA601VpWPWyGw87a18l0LFPz5xhIejBKDunY5kK5 IlYN1WOfA9yDEInPot9iKefEATOs3UvFxlR4faxOcVVy0Nv2nPEME0gDw SJsWJL2ii2Tm6eRbdlqYiS9wdxiKNRjIk+VwHICFrTmWBOTwtKc95Y7zU uvo4ej4REyavIgSWi2aQAPvpCFiH/sI2adPBNDbMYJB2qpkzcikdP6ctD 7g5OGgJEqyX1BZP4Qju9jzwE9yp4Ni8d7j/Cy/0ZCkoRCg4qs88og6HOm wUansQCphs4HSx6ABBj7r8n87FBdEd6CtuLHgJEg8qe86iBD7mLvThYs5 g==; X-CSE-ConnectionGUID: NYGRljp/QrOROsDZoFtOWg== X-CSE-MsgGUID: IwhxjIE8Tc6NF+k2OoFS8w== X-IronPort-AV: E=McAfee;i="6800,10657,11859"; a="89626998" X-IronPort-AV: E=Sophos;i="6.25,192,1779174000"; d="scan'208";a="89626998" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jul 2026 08:31:01 -0700 X-CSE-ConnectionGUID: OsT/OjzXQTyZMW9blDWJDg== X-CSE-MsgGUID: ykCgXDpVSZeLCaP4tSi9EA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,192,1779174000"; d="scan'208";a="258798455" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa010.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jul 2026 08:30:59 -0700 Date: Wed, 29 Jul 2026 17:30:55 +0200 From: Raag Jadav To: Heikki Krogerus Cc: Matthew Brost , Thomas =?iso-8859-1?Q?Hellstr=F6m?= , Rodrigo Vivi , Mika Westerberg , Andy Shevchenko , Andi Shyti , Ramesh Babu B , "Michael J. Ruhl" , linux-kernel@vger.kernel.org, intel-xe@lists.freedesktop.org, stable@vger.kernel.org Subject: Re: [PATCH v6 2/3] drm/xe/i2c: Fix the interrupt handling Message-ID: References: <20260722133554.2079612-1-heikki.krogerus@linux.intel.com> <20260722133554.2079612-3-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260722133554.2079612-3-heikki.krogerus@linux.intel.com> X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" On Wed, Jul 22, 2026 at 03:35:53PM +0200, Heikki Krogerus wrote: > The platforms that support the interrupt from the I2C > adapter can not handle the amount of interrupts the adapter > generates because of the way the IRQ is routed in the > hardware. The I2C controller driver has to be kept in > polling mode because of that. > > The AMC MCU can still generate critical alerts that have to > be handled. The interrupt from SMBus Alert is left enabled > and handled separately in the Xe. The alerts from the AMC > will cause the device to be declared wedged for now. > > Fixes: f0e53aadd702 ("drm/xe: Support for I2C attached MCUs") > Cc: stable@vger.kernel.org > Co-developed-by: Ramesh Babu B > Signed-off-by: Ramesh Babu B > Signed-off-by: Heikki Krogerus Assuming no further changes came up during validation Reviewed-by: Raag Jadav