Hi Mario,
On Tue, Nov 14, 2023 at 02:07:53PM -0600, Mario Limonciello wrote:
> USB4 routers support a feature called "PCIe tunneling". This
> allows PCIe traffic to be transmitted over USB4 fabric.
>
> PCIe root ports that are used in this fashion can be discovered
> by device specific data that
Hi Mario,
On Wed, Nov 15, 2023 at 11:08:43AM -0600, Mario Limonciello wrote:
> On 11/15/2023 04:40, Mika Westerberg wrote:
> > Hi Mario,
> >
> > On Tue, Nov 14, 2023 at 02:07:53PM -0600, Mario Limonciello wrote:
> > > USB4 routers support a feature called "PCIe
On Tue, Nov 07, 2023 at 07:45:26AM +0200, Mika Westerberg wrote:
> Hi,
>
> On Mon, Nov 06, 2023 at 07:56:52PM +0100, Lukas Wunner wrote:
> > On Mon, Nov 06, 2023 at 12:44:25PM -0600, Mario Limonciello wrote:
> > > Tangentially related; the link speed is currently symmetric
Hi,
On Mon, Nov 06, 2023 at 07:56:52PM +0100, Lukas Wunner wrote:
> On Mon, Nov 06, 2023 at 12:44:25PM -0600, Mario Limonciello wrote:
> > Tangentially related; the link speed is currently symmetric but there are
> > two sysfs files. Mika left a comment in drivers/thunderbolt/switch.c it may
> >
On Mon, Nov 06, 2023 at 02:25:24PM +0200, Ilpo Järvinen wrote:
> On Fri, 3 Nov 2023, Mario Limonciello wrote:
>
> > pci_is_thunderbolt_attached() only works for Intel TBT devices. Switch to
> > using dev_is_removable() to be able to detect USB4 devices as well.
>
> Please extend this with more
Hi,
On Mon, Feb 28, 2022 at 10:36:59PM +, Limonciello, Mario wrote:
> [AMD Official Use Only]
>
> > -Original Message-
> > From: Lukas Wunner
> > Sent: Monday, February 28, 2022 16:33
> > To: Bjorn Helgaas
> > Cc: Limonciello, Mario ; Mika Weste
Hi Bjorn,
On Fri, Feb 25, 2022 at 11:42:24AM -0600, Bjorn Helgaas wrote:
> That would just leave the "PCI_VSEC_ID_INTEL_TBT implies external-facing"
> assumption above. Not having a Thunderbolt spec, I have no idea how
> you deal with that.
You can download the spec here:
Hi Mario,
On Wed, Feb 16, 2022 at 10:50:31AM -0600, Limonciello, Mario wrote:
> On 2/16/2022 08:44, Alex Deucher wrote:
> > On Wed, Feb 16, 2022 at 9:34 AM Mika Westerberg
> > wrote:
> > >
> > > Hi all,
> > >
> > > On Tue, Feb 15,
Hi all,
On Tue, Feb 15, 2022 at 01:07:00PM -0600, Limonciello, Mario wrote:
> On 2/15/2022 01:29, Lukas Wunner wrote:
> > On Mon, Feb 14, 2022 at 06:01:50PM -0600, Mario Limonciello wrote:
> > > drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 2 +-
> > > drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c | 2
On Mon, Feb 14, 2022 at 01:11:05PM +0200, Mika Westerberg wrote:
> > > It is used to identify "tunneled" ports (whether PCIe, USB 3.x or
> > > DisplayPort). Tunnels are created by software (in Linux it is the
> > > Thunderbolt driver) and are dynamic in nat
On Mon, Feb 14, 2022 at 09:52:02AM +0100, Lukas Wunner wrote:
> On Mon, Feb 14, 2022 at 09:34:26AM +0200, Mika Westerberg wrote:
> > On Fri, Feb 11, 2022 at 03:45:46PM -0600, Bjorn Helgaas wrote:
> > > My expectation is that "USB" (like "PCI" and "PCIe&qu
Hi,
On Sun, Feb 13, 2022 at 09:39:28AM +0100, Lukas Wunner wrote:
> On Fri, Feb 11, 2022 at 12:23:51PM +0200, Mika Westerberg wrote:
> > On Thu, Feb 10, 2022 at 04:43:23PM -0600, Mario Limonciello wrote:
> > > @@ -2955,7 +2955,7 @@ bool pci_bridge_d3_possible(stru
> > This can be done by looking for the device property specified in
> > the ACPI tables `usb4-host-interface`.
> >
> > Suggested-by: Mika Westerberg
> > Link:
> > https://docs.microsoft.com/en-us/windows-hardware/drivers/pci/dsd-for-pcie-root-ports#mappin
Hi Lukas,
On Sun, Feb 13, 2022 at 10:19:20AM +0100, Lukas Wunner wrote:
> On Fri, Feb 11, 2022 at 01:32:41PM -0600, Mario Limonciello wrote:
> > `pci_bridge_d3_possible` currently checks explicitly for a Thunderbolt
> > controller to indicate that D3 is possible. As this is used solely
> > for
Hi Mario,
On Sun, Feb 13, 2022 at 11:26:56AM -0600, Limonciello, Mario wrote:
> On 2/13/2022 02:20, Lukas Wunner wrote:
> > On Fri, Feb 11, 2022 at 01:32:42PM -0600, Mario Limonciello wrote:
> > > The `is_thunderbolt` attribute is currently a dumping ground for a
> > > variety of things.
> >
> >
> controller to indicate that D3 is possible. As this is used solely
> > > for older Apple systems, move it into a quirk that enumerates across
> > > all Intel TBT controllers.
> > >
> > > Suggested-by: Mika Westerberg
> > > Signe
Hi Mario,
On Thu, Feb 10, 2022 at 04:43:24PM -0600, Mario Limonciello wrote:
> USB4 class devices are also removable like Intel Thunderbolt devices.
>
> Drivers of downstream devices use this information to declare functional
> differences in how the drivers perform by knowing that they are
Hi Mario,
On Thu, Feb 10, 2022 at 04:43:23PM -0600, Mario Limonciello wrote:
> The `is_thunderbolt` attribute is currently a dumping ground for a
> variety of things.
>
> Instead use the driver core removable attribute to indicate the
> detail a device is attached to a thunderbolt or USB4 chain.
> Acked-by: Alex Deucher
> Signed-off-by: Mario Limonciello
Acked-by: Mika Westerberg
On Wed, Jun 10, 2020 at 08:18:07AM +0200, Paul Menzel wrote:
> Thank you for replying so quickly. Hopefully, I’ll be able to test the
> commit tomorrow.
>
> One question though. The commit talks about resuming from suspend. I
> understand that training happens there.
>
> In my case the system is
On Tue, Jun 09, 2020 at 05:39:21PM +0200, Paul Menzel wrote:
> Dear Linux folks,
>
>
> On the Intel Cannon Point-LP laptop Dell Precision 3540 with a dedicated AMD
> graphics card (both graphics devices can be used) with Debian Sid/unstable
> with Linux 5.6.14, running lspci takes quite some
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