From mboxrd@z Thu Jan 1 00:00:00 1970 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 0846E3B388F; Mon, 27 Apr 2026 14:14:31 +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=1777299271; cv=none; b=r0RGFXlHXtLblkNG8kBdJ35g5WWOOnNs5C+ha7IABHhD70y3o2RY0huDL9CGxdcPN1/XLolMMscyViR2bGS/GlbA8zJp0+Jo8b7PEmd/Ar2JWiJYH9ZbvATNHJkhiwgzNQ6ocYd/QC37jLxJ9rU57n+WILjL0ZSEujKzP0Zla8g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777299271; c=relaxed/simple; bh=On7qwBANiqEaPQGbTVETe24hmuBF1r9IigiTMeiamL4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Q0aRtDsNwk1jEo+qRjyhHg2PDImNmqVgc1nb0U8HbXjkicvQzY1P0hCstZJ14nQmLvuCYUk+j3B01RCPgsP7hAV4McgaDqPbSwQ/6MkmLozFL5cas4AG5Fbg3v/WEHuqXlpApLu2j56AcK9Vez/91Og1VOdrdIrLUq9NwlB/PlQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eW117Hex; 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="eW117Hex" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8F3FDC19425; Mon, 27 Apr 2026 14:14:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777299270; bh=On7qwBANiqEaPQGbTVETe24hmuBF1r9IigiTMeiamL4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=eW117Hexek8S0yFBftTL9eFMoR4R7yUw52gw0nvs3tz3R0OPyMKRkpt30Q7YFenWD gfzaJaEIT8RDuM1mCCQN5Oe8vhf+xcEcHZiJGf5PxzfZIB5FR/LsbOrGLmOzldvuDe O0jCUT/WnRqVVDvMnm9QgEhNYhOFqAvhx9ZTc/hIMIAZhjD2EYxMLDUJLXSxtZSwXp Y8dFcXw3zkqzisjgo/Qig1PgUA9MIaQ1JtIa1wcuCOs4wHu5qz43XaaX73HeQwHxo/ 9NYBLx6lIzEgzg/2EDDnFJIF52VC+qxp0yRrGpG5cwiVE7i+upBzvW5A2/EyhiDjQ1 Wy78HIgjCcARQ== Message-ID: Date: Mon, 27 Apr 2026 09:14:29 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/5] Improvements to PCI hibernate path Content-Language: en-US To: "Rafael J. Wysocki" Cc: Bjorn Helgaas , "open list:PCI SUBSYSTEM" , open list , Lukas Wunner References: <20260427035341.1425576-1-superm1@kernel.org> From: Mario Limonciello In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 4/27/26 07:20, Rafael J. Wysocki wrote: > On Mon, Apr 27, 2026 at 5:53 AM Mario Limonciello (AMD) > wrote: >> >> A few cycles ago I sent out a kernel series for using the S4 paths when >> the system goes to S5. Some parts of it got merged, and Rafael suggested >> to split the other parts into smaller pieces across multiple kernel cycles >> to make bisecting easier. >> >> This fell into my backlog behind other things, so I wanted to try again >> this cycle for the PCI pieces. I have been carrying it, rebasing it and >> personally using it for a while now though. >> >> This series attempts to unify the PCI suspend and hibernate paths and to >> fix some things that I observed to be wrong with how I expect hibernate >> to work. >> >> It is based off 7.1-rc1 + Lukas' patch: >> "PCI: Stop setting cached power state to "unknown" on unbind" >> >> Mario Limonciello (AMD) (5): >> PCI/PM: Disable device wakeups when halting or powering off system >> PCI/PM: Split out code from pci_pm_suspend_noirq() into helper >> PCI/PM: Run bridge power up actions as part of restore phase >> PCI/PM: Use pci_power_manageable() in pci_pm_poweroff_noirq() >> PCI: Put PCIe bridges with downstream devices into D3 at hibernate >> >> drivers/pci/pci-driver.c | 103 ++++++++++++++++++++++++++------------- >> 1 file changed, 69 insertions(+), 34 deletions(-) >> >> -- > > It would be good to CC this to linux-pm. Sure thing - if there is a need for a v2, I will include linux-pm in CC.