linux-kernel - Re: [PATCH v3 2/2] Revert "ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default"

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Message-ID: <20240229192639.GA356181@bhelgaas>
Date: Thu, 29 Feb 2024 13:26:39 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Daniel Drake <drake@...lessos.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>, tglx@...utronix.de,
	mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
	x86@...nel.org, hpa@...or.com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, bhelgaas@...gle.com,
	david.e.box@...ux.intel.com, mario.limonciello@....com,
	lenb@...nel.org, linux-acpi@...r.kernel.org, linux@...lessos.org,
	Jian-Hong Pan <jhp@...lessos.org>
Subject: Re: [PATCH v3 2/2] Revert "ACPI: PM: Block ASUS B1400CEAE from
 suspend to idle by default"

On Thu, Feb 29, 2024 at 06:38:01PM +0100, Rafael J. Wysocki wrote:
> On Wed, Feb 28, 2024 at 11:26 PM Bjorn Helgaas <helgaas@...nel.org> wrote:
> >
> > [+to Rafael]
> >
> > On Wed, Feb 28, 2024 at 08:53:16AM +0100, Daniel Drake wrote:
> > > This reverts commit d52848620de00cde4a3a5df908e231b8c8868250, which
> > > was originally put in place to work around a s2idle failure on this
> > > platform where the NVMe device was inaccessible upon resume.
> > >
> > > After extended testing, we found that the firmware's implementation of
> > > S3 is buggy and intermittently fails to wake up the system. We need
> > > to revert to s2idle mode.
> > >
> > > The NVMe issue has now been solved more precisely in the commit titled
> > > "PCI: Disable D3cold on Asus B1400 PCI-NVMe bridge"
> > >
> > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=215742
> > > Acked-by: Jian-Hong Pan <jhp@...lessos.org>
> > > Signed-off-by: Daniel Drake <drake@...lessos.org>
> >
> > Rafael, if you're OK with this, I can queue both patches for v6.9.
> 
> Yes, please!
> 
> Feel free to add
> 
> Acked-by: Rafael J. Wysocki <rafael@...nel.org
> 
> to both.

Both patches applied with Rafael's ack to pci/pm for v6.9, thanks!

Bjorn