linux-kernel - RE: [PATCH] ACPI: fix Thunderbolt hotplug

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Date:	Thu, 28 Apr 2016 18:49:20 +0000
From:	<Mario_Limonciello@...l.com>
To:	<luto@...capital.net>
CC:	<luto@...nel.org>, <prarit@...hat.com>,
	<linux-kernel@...r.kernel.org>, <robert.moore@...el.com>,
	<lv.zheng@...el.com>, <rafael.j.wysocki@...el.com>,
	<lenb@...nel.org>, <linux-acpi@...r.kernel.org>,
	<stable@...r.kernel.org>, <devel@...ica.org>
Subject: RE: [PATCH] ACPI: fix Thunderbolt hotplug



> -----Original Message-----
> From: Andy Lutomirski [mailto:luto@...capital.net]
> Sent: Thursday, April 28, 2016 1:47 PM
> To: Limonciello, Mario <Mario_Limonciello@...l.com>
> Cc: Andrew Lutomirski <luto@...nel.org>; Prarit Bhargava
> <prarit@...hat.com>; linux-kernel@...r.kernel.org; Robert Moore
> <robert.moore@...el.com>; Lv Zheng <lv.zheng@...el.com>; Rafael J.
> Wysocki <rafael.j.wysocki@...el.com>; Len Brown <lenb@...nel.org>; Linux
> ACPI <linux-acpi@...r.kernel.org>; stable <stable@...r.kernel.org>;
> devel@...ica.org
> Subject: Re: [PATCH] ACPI: fix Thunderbolt hotplug
> 
> On Thu, Apr 28, 2016 at 11:44 AM,  <Mario_Limonciello@...l.com> wrote:
> >
> >
> >> -----Original Message-----
> >> From: Andy Lutomirski [mailto:luto@...nel.org]
> >> Sent: Thursday, April 28, 2016 1:39 PM
> >> To: Prarit Bhargava <prarit@...hat.com>; linux-kernel@...r.kernel.org
> >> Cc: Robert Moore <robert.moore@...el.com>; Lv Zheng
> >> <lv.zheng@...el.com>; Rafael J. Wysocki <rafael.j.wysocki@...el.com>;
> >> Len Brown <lenb@...nel.org>; linux-acpi@...r.kernel.org; Limonciello,
> >> Mario <Mario_Limonciello@...l.com>; stable@...r.kernel.org;
> >> devel@...ica.org
> >> Subject: Re: [PATCH] ACPI: fix Thunderbolt hotplug
> >>
> >> On 04/27/2016 05:26 AM, Prarit Bhargava wrote:
> >> > Rafael, this patch is in the acpica.git tree as 7a3bd2d ("Dispatcher:
> >> > Update thread ID for recursive method calls").  I've had many
> >> > positive testing results from hardware vendors and users with this
> >> > patch and this resolves many of the problems seen here:
> >> >
> >> > https://bugzilla.kernel.org/show_bug.cgi?id=115121
> >> >
> >> > This does not fix the problems with the TB docking station.
> >> > Although this patch will also be required, the docking station
> >> > issues require a FW
> >> update.
> >> > Updated FW should be coming soon to resolve those problems.
> >> >
> >>
> >> No kidding!?!  Will that update be installable from Linux?  If so,
> >> could you cc me on that?
> >>
> >
> >
> > This patch does let the dock hotplug properly after the BIOS fix is applied.
> >
> > For the dock devices not showing up on the other side of the thunderbolt
> bridge:
> > It's going to be a system firmware update for both the XPS 9350 and
> Precision 5510.  It will get distributed to LVFS and can be loaded up with
> fwupd/fwupdate.
> > I don't yet have an ETA that I can share other than "Next BIOS release"
> >
> > After the update, set Thunderbolt Security to "No Security" and devices
> should be available.
> 
> Great!
> 
> Does this mean that I won't need to boot into Windows and run the little
> Intel tool to update the Alpine Ridge firmware?  I.e. will the LVFS / EFI
> executable do that part?
> 

Unfortunately that's a separate problem.  Working towards a few different solutions on that too, but nothing to share right now.