From nobody Fri Dec 19 15:54:06 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2166B177A96; Wed, 27 Mar 2024 12:23:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711542202; cv=none; b=rgCxhzjRcq5MMhtgS9ogKvhBoJ/1zkfEe+yXgGobrD7fTqKVHbWr69H1f9AvRT+nLv//HmACzRxVMo96XeN4mTtDDTiPL/sKADrN7KCIspFkzhDmNkZyq/7KHLExXoNz/e0KTbkKT01ylCORwpiYslklGUxxJ1ik1KetMt05IDI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711542202; c=relaxed/simple; bh=92r58BbZAW6FjwKhCT465uK7/szSb+Dp1ruccGx2vIo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=sQZA9Cn8xBVOC7dnifq82FEOPYZuW5XCo5Xa1kUG4WQAxkcdDDht3NTW1RhdIMTuOLnXTOiDO2LoZlMAvtZah/nWY9tr+S1ZW3lzMaZjmdiC24lATNPuE4fn0ACrFjHvdiDsdCVAL40OJd20hWNpBgPwh+ZldSYGBszXEj5SEVQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Cje0nW1r; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Cje0nW1r" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34B91C433C7; Wed, 27 Mar 2024 12:23:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711542202; bh=92r58BbZAW6FjwKhCT465uK7/szSb+Dp1ruccGx2vIo=; h=From:To:Cc:Subject:Date:From; b=Cje0nW1rixMxBFCvYGCtcX+AgMK1fMDWSRoTnlvZWAcKR8vM3Sf0awi8XUsxVmh7U RqG66fg8znfK6q1qjzmfmjWbuD3kHjnh0jybtFVOBQDAH85idaDqawDZ5Xz0bfq/0A 3GKRkt9LU2vlljNDUvxLabNqppFPmv0JEIDIXTycro/Jb1x81aMe6gy9SGM3tiZu/w 4dfUAsqxSrN4RJpY6rVYC1hYXFwTitE64UoYjpQnD0F0vOPGOx/kNWhuMPdn8+ydIC /cgCuZqulZGrAEzdHFKaE+qP3w9t8ntdshT3hlfaWAQiKPOu44dw1qOV15zBrqD/2Z TKCzaR0XnrHWw== From: Sasha Levin To: stable@vger.kernel.org, pmenzel@molgen.mpg.de Cc: Niels van Aert , Bjorn Helgaas , Mika Westerberg , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: FAILED: Patch "PCI/DPC: Quirk PIO log size for Intel Raptor Lake Root Ports" failed to apply to 5.4-stable tree Date: Wed, 27 Mar 2024 08:23:20 -0400 Message-ID: <20240327122320.2838443-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha Reported-by: Niels van Aert ------------------ original commit in Linus's tree ------------------ From 627c6db20703b5d18d928464f411d0d4ec327508 Mon Sep 17 00:00:00 2001 From: Paul Menzel Date: Tue, 5 Mar 2024 12:30:56 +0100 Subject: [PATCH] PCI/DPC: Quirk PIO log size for Intel Raptor Lake Root Por= ts Commit 5459c0b70467 ("PCI/DPC: Quirk PIO log size for certain Intel Root Ports") and commit 3b8803494a06 ("PCI/DPC: Quirk PIO log size for Intel Ice Lake Root Ports") add quirks for Ice, Tiger and Alder Lake Root Ports. System firmware for Raptor Lake still has the bug, so Linux logs the warning below on several Raptor Lake systems like Dell Precision 3581 with Intel Raptor Lake processor (0W18NX) system firmware/BIOS version 1.10.1. pci 0000:00:07.0: [8086:a76e] type 01 class 0x060400 pci 0000:00:07.0: DPC: RP PIO log size 0 is invalid pci 0000:00:07.1: [8086:a73f] type 01 class 0x060400 pci 0000:00:07.1: DPC: RP PIO log size 0 is invalid Apply the quirk for Raptor Lake Root Ports as well. This also enables the DPC driver to dump the RP PIO Log registers when DPC is triggered. Link: https://lore.kernel.org/r/20240305113057.56468-1-pmenzel@molgen.mpg.de Reported-by: Niels van Aert Closes: https://bugzilla.kernel.org/show_bug.cgi?id=3D218560 Signed-off-by: Paul Menzel Signed-off-by: Bjorn Helgaas Cc: Cc: Mika Westerberg Cc: Niels van Aert --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index d797df6e5f3e9..663d838fa861d 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -6225,6 +6225,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2b,= dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2d, dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2f, dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a31, dpc_log_size); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa73f, dpc_log_size); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa76e, dpc_log_size); #endif =20 /* --=20 2.43.0