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 BC946371CFF; Mon, 27 Apr 2026 20:34:05 +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=1777322045; cv=none; b=njvlg8kYuEUUd3JqtOw+b+x9yGVmQJDv3bP51FLzhBug8/FAi6meg+/smqslokZXBLd2DGOJuK6/GwSbaRw0BABabrN4CvVGwU+t1kqEOnGaeebzUzfeCPtKXdlsNxyaN/TGOzGbTi6n8dqgx9XYBO6GJcRm/Wm8CSghFDuJjNE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777322045; c=relaxed/simple; bh=SdulBXz7GBAyzVrKSc8VCh1nbo1vRKI12nbpooE3Mig=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=bOX+pNnlXjSUx8Oz/jUDueEmdNgF9ZyTfA4cU6d2zeQvCxBgOiKzIi60Ely9p1OEPBaPnEkwsvnHMvM1AedDXYBFrgk57hP18HwV6XAtBP+Y/ei4RLAk8HGAK9o/EZAd0tIkHsQ+PdLvp8+jMyo9/kg3xSMsNxyyWlmAhG6Ksqk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o7cOhVp1; 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="o7cOhVp1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57A58C2BCB9; Mon, 27 Apr 2026 20:34:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777322045; bh=SdulBXz7GBAyzVrKSc8VCh1nbo1vRKI12nbpooE3Mig=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=o7cOhVp1EeRXf1GFuHHh9wfMDS8SdTX3DP1bOXNCPBFQ8Z/VJk0aPsTo9furWDtWz YvbPUw0TgRukwBu2O1I9WMkvUstyxYw3JO4Oa0hsP/oXqRXc/FRovLCr1SbbOdJZHy /Q7a90UCFKxYcK1xh8P8yfWjtoQNf+FfiY3AlUOv8rK4+VL4DO0RYbo6xRupY2P+E6 HDlRIKnhgKTY5aaQ9VecpKgd5pXqbbU92GzRJPIVVMQJ62OIu8ZkYNOdbwBU2yt/va 7qo0BGUxni2bEAZJOYScUAyxBF1u7CPQfbfpwk4YjHcBg2tRwsNtdiFgzRfK62qTbC PIIoPXgEvkcgw== Date: Mon, 27 Apr 2026 15:34:04 -0500 From: Bjorn Helgaas To: "Mario Limonciello (AMD)" Cc: Bjorn Helgaas , "open list:PCI SUBSYSTEM" , open list , "Rafael J . Wysocki" , Lukas Wunner Subject: Re: [PATCH 0/5] Improvements to PCI hibernate path Message-ID: <20260427203404.GA182096@bhelgaas> 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: <20260427035341.1425576-1-superm1@kernel.org> On Sun, Apr 26, 2026 at 10:53:36PM -0500, 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" Hi Mario, would you mind posting a v2 that includes Lukas' patch, so the whole series applies cleanly so Sashiko can go through it? I already applied Lukas' patch on pci/pm, but I guess Sashiko can't parse that dependency. > 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(-) > > -- > 2.43.0 >