From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 4AB7746C830; Fri, 21 Aug 2026 09:50:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787305828; cv=none; b=utmvIVaN6jvVuIhcO+KP6oyf/6Krco+kSRSNzIJg9d5b1aYtqkxp23t0oHk9N94qiEdg/ynEFc5lzTSGij0pTg60un/0OCT40j87ZG4rhWqxpslwOelWp7yKf2dU6ZNTq+sn9PFjn6ZT0JUKNfJA146gIpU9K88IO4RzFyg1qK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787305828; c=relaxed/simple; bh=SR4DWJiqGghBFTzS3KA9iUFdXu7xAoAxfyqQ3MDAWcc=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=lHf3QbR275V2G9xvq2VydOUarRVqC8RZTKHMlLie1Q7bdQh5HeDNU/vlz6iO9lufEm9r3wqYxqhiMsDQxbGUQHLx6sC2SlxqlIvDy/PalYYcVtkBneFIug0TQzbHuQDEyDCn8lLLFWgxfSxCBEy+1AnD6uMSgrl5nluWAxEl3LA= 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=GvgItWec; arc=none smtp.client-ip=192.198.163.8 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="GvgItWec" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787305818; x=1818841818; h=message-id:subject:from:to:cc:date:in-reply-to: references:content-transfer-encoding:mime-version; bh=SR4DWJiqGghBFTzS3KA9iUFdXu7xAoAxfyqQ3MDAWcc=; b=GvgItWec9OtdZMnEyoZ7lBsWLdTfiTAaRt5nFgJ8VINyufRZDSVJALTV y9zLM8GpoLNscUD8FqH5b9cksVGMVrHXEDVQM2sZqRpTDXPyt7iQi3wUH RkzbPVlHShEqLFMuJjxYpzsQ+SqCq6o8MAkihM/L/p5+eMFzkB+c7cD2N EicBTM4bgEDSVpwy+RMSkEUrp5HeSD+m4Q/HmDOAhkzTtXtlZ79iRwEeV 4G+m+nedccZiduaP8hpEtvmbC3WOqGChDe3qJTRzy0nonuc376Z8tcNjL J0NXcA7PmLKI59Hic6z6GLbME3zER1v9LtfLst8rf5fKm8rUN3nsgmBGk Q==; X-CSE-ConnectionGUID: U8CYjOXgSnyYlYUcwpMgeg== X-CSE-MsgGUID: kpTT7kFyR5+3XLFdUDlEKQ== X-IronPort-AV: E=McAfee;i="6800,10657,11881"; a="105388735" X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="105388735" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2026 02:50:12 -0700 X-CSE-ConnectionGUID: 1PROpwKxT+SxKbHirQrlqA== X-CSE-MsgGUID: oIdSvDRGRhSh7sfO/n/mKQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="263643428" Received: from jkrzyszt-mobl2.ger.corp.intel.com ([10.245.246.165]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2026 02:50:09 -0700 Message-ID: <4bd61f0e5667100e9773e06c8cefe25a9f9c00ad.camel@linux.intel.com> Subject: Re: [PATCH] PCI: Disable not supported reset methods on DG1 0x4905 From: Janusz Krzysztofik To: Andi Shyti Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, intel-gfx@lists.freedesktop.org, Joonas Lahtinen , Andi Shyti , Krzysztof Karas , Sebastian Brzezinka , Krzysztof Niemiec , linux-kernel@vger.kernel.org Date: Fri, 21 Aug 2026 11:50:07 +0200 In-Reply-To: References: <20260819102509.1662504-2-janusz.krzysztofik@linux.intel.com> Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.2 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi Andi, On Fri, 2026-08-21 at 10:51 +0200, Andi Shyti wrote: > Hi Janusz, >=20 > On Wed, Aug 19, 2026 at 12:24:53PM +0200, Janusz Krzysztofik wrote: > > DRM CI consequently reports failing device reset attempts on Intel DG1 >=20 > do you mean "consistently reports"? Yeah, consistently is the right word. @Bjorn: should I submit v2, or can you handle that correction? Thanks, Janusz >=20 > > discrete graphics adapters. Manual reproduction attempts allowed to > > narrow down the scope of that problem to a specific revision of that > > hardware, SKU 8086:4905. It has been confirmed that both reset methods > > claimed by the device, i.e., flr and bus, suffer from that issue. > >=20 > > Since consecutively failing device resets may lead to system hangs, > > disable both useless reset methods. A respective CI test will then be > > skipped instead of aborting whole CI jobs. > >=20 > > Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/work_items/118= 14 > > Signed-off-by: Janusz Krzysztofik >=20 > Reviewed-by: Andi Shyti >=20 > Thanks, > Andi