From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 73A6D496D55; Thu, 1 Oct 2026 12:14:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790856899; cv=none; b=q9OvZY0m+yfSSrK+GcKECgrybN3/hbFJzgPEyd4AkHUiwe+JY1cjiTuR0Dk8yBVpleq4KROsSOL3yjnJtQHLGteV+b9EtLEGJGoeuzaots8QITFzLu1vnYnVgEJQ3FdsfSmKf72vzXYq9dcc78k2W3FepSY2YFxwDk4//faQmSs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790856899; c=relaxed/simple; bh=wzl4bQpHufVbGcUH2VpVjtJU0TDaij6VKMDPl43NN0I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UX4f4xTzQH8rJIcbAP/4WMTUtQM4PsuzGwG9qIUGqsHEG1t9M51jQJMwHCcSBHyG2FfxcA6y/RTTK0r4EzZYKrT9XwuLfDywS5RWOGD1TQ66F0ZRuswY4a3/3bCMRN8lJRbiP10e5SS2n6/Qa83ZdSvAGA9B2392HCKvEEwbJTU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EazoPou7; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EazoPou7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 747F31F00898; Thu, 1 Oct 2026 12:14:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790856897; bh=DYmoiuH04vCrKntkd6fvwAuUoeiwmoc5CuyAp/tVUL0=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=EazoPou70hQV84XiGWeQ+BeuJoBKc/GYwYe9XuLqYpTz2Fg9aFnD6H48Vu8DM3Xtm oEz9bOD2d9e95OsLDsvMpuLs2FAV761uBC/zHq3uwi5gvW6Z3fB1g+m3jiR5aQmai2 Yb3dqLWR+s8ZzSnAqreTt9XMKrDr5r0g5+RH2vXyKSs7oLqxBxVS4AwejkDFNyWXSF Kvfn8tQs/1dGByjVSzzMo0lczqFxsxFVwNMbR7wWce+7axsqz/kYQX7gZ2dEAG3dNZ xJABUE1EMx0X9LaUUoZszyqKkM5qNugxkFPQJdCMp8h9ERuBaZ/mb4wvnzIctgYfsW gten9bB/dSIWg== Date: Thu, 1 Oct 2026 14:14:54 +0200 From: Andi Shyti To: Janusz Krzysztofik 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 Subject: Re: [PATCH v2] PCI: Disable not supported reset methods on DG1 0x4905 Message-ID: References: <20260907090249.1348552-2-janusz.krzysztofik@linux.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; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260907090249.1348552-2-janusz.krzysztofik@linux.intel.com> Hi, any news here? This patch looks to be stuck, can someone please give it a look? Thanks, Andi On Mon, Sep 07, 2026 at 10:59:18AM +0200, Janusz Krzysztofik wrote: > DRM CI consistently reports failing device reset attempts on Intel DG1 > 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. > > 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. > > Suggested-by: Joonas Lahtinen > Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/work_items/11814 > Reviewed-by: Andi Shyti > Reviewed-by: Krzysztof Karas > Signed-off-by: Janusz Krzysztofik > --- > v2: Fix commit description wording (Andi) > - add Suggested-by: tag missing from v1, > - add collected Reviewed-by: tags. > > drivers/pci/quirks.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c > index de9bbccda21fd..e55475374c6fd 100644 > --- a/drivers/pci/quirks.c > +++ b/drivers/pci/quirks.c > @@ -3811,6 +3811,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, 0xb005, quirk_no_bus_reset); > */ > DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ASMEDIA, 0x1164, quirk_no_bus_reset); > > +/* Intel DG1 0x4905 may not recover from bus reset */ > +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4905, quirk_no_bus_reset); > + > static void quirk_no_pm_reset(struct pci_dev *dev) > { > /* > @@ -5597,6 +5600,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x443, quirk_intel_qat_vf_cap); > * AMD Neural Processing Unit 0x1502 0x17f0 > * Intel 82579LM Gigabit Ethernet Controller 0x1502 > * Intel 82579V Gigabit Ethernet Controller 0x1503 > + * Intel DG1 Discrete Graphics Adapter 0x4905 > * Mediatek MT7922 802.11ax PCI Express Wireless Network Adapter > * Mediatek MT7925 802.11be PCI Express Wireless Network Adapter > */ > @@ -5612,6 +5616,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x1502, quirk_no_flr); > DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x17f0, quirk_no_flr); > DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1502, quirk_no_flr); > DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1503, quirk_no_flr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x4905, quirk_no_flr); > DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MEDIATEK, 0x0616, quirk_no_flr); > DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MEDIATEK, 0x7925, quirk_no_flr); > > -- > 2.54.0 >