Following Kent's comment #18, a few additional steps are required to
complete the test, as described to me by Jacob Wu from Asus. The
following steps are a more detailed "step 5" from previous comment, if
you will:
1. Create a device image for partition, in this case 400MB memory space:
** Changed in: intel/lookout-canyon
Status: Fix Committed => Fix Released
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Title:
[EHL] enable USB-dw3
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** Changed in: intel/lookout-canyon
Status: New => Fix Committed
** Changed in: intel/lookout-canyon
Milestone: None => sprint2
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** Also affects: intel/lookout-canyon
Importance: Undecided
Status: New
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Title:
[EHL] enable USB-dw3
To manage notifications about
Test Steps:
1. In BIOS setup, enable xDCI as below :
Intel Advanced Menu -> PCH-IO Configuration -> USB Configuration-> xDCI Support
-> [Enabled]
2. Boot to OS
3. Check dmesg to see if BIOS pass pci device info as below :
[ 4.534064] pci :00:14.0: [8086:4b7d] type 00 class 0x0c0330
[
Hi Chao or Hsuan-Yu, may you please verify the kernel in -proposed for
Focal-intel resolves this bug? Thank you.
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Title:
[EHL] enable USB-dw3
Please go to BIOS and enable xDCI as below :
Intel Advanced Menu -> PCH-IO Configuration -> USB Configuration-> xDCI
Support -> [Enabled]
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Title:
@chaoqin
Tried the latest BIOS and ubuntu desktop image[1].
But, I didnt' see 0x0c03fe in dmesg log.
Do I need to enable USB-dw3 in BIOS? How to enable it in BIOS settings?
$ dmesg | grep -e c0330 -e c03fe
[1.043065] pci :00:14.0: [8086:4b7d] type 00 class 0x0c0330
$ sudo dmidecode -s
Hi @chaoqin,
I can't find the device "8086:4b7e", I have also tried the mainline
kernel v5.14-rc6 but no luck.
I also tried to boot into the UEFI shell and use the 'pci' command to
list the devices, but still no luck. [1]
Do I need to enable some settings in BIOS so that I can see the device
@shanelin, you can verify as following steps.
[Step 1] dmesg
BIOS pass pci device info as below :
[4.534064] pci :00:14.0: [8086:4b7d] type 00 class 0x0c0330
[4.553963] pci :00:14.1: [8086:4b7e] type 00 class 0x0c03fe => dwc3
device
…
[Step 2] modprobe dwc3_pci
[Step 3] lspci
Hi @chaoqin,
The patch "0003-usb-dwc3-pci-Fix-DEFINE-for-Intel-Elkhart-Lake.usb-
typec" has been backported to 5.11.0-1012.14 on proposed. [1]
Could you provide how to verify it?
Thanks!
---
[1] https://launchpad.net/ubuntu/+source/linux-intel/5.11.0-1012.14
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** Changed in: intel
Status: New => Fix Committed
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Title:
[EHL] enable USB-dw3
To manage notifications about this bug go to:
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag
** Changed in: linux-intel (Ubuntu)
Status: In Progress => Fix Committed
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Title:
[EHL] enable USB-dw3
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@Jesse Sung
Yes, there is another commit (a609ce2a1336 usb: dwc3: pci: Allow Elkhart
Lake to utilize DSM method for PM functionality) for this feature and
it's already included in upstream v5.11 kernel.
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@Chao Qin:
Since the patch itself doesn't change the functionality or PM
capabilities, do you mean that there are other patches (other than
457d22850b27de3aea336108272d08602c55fdf7) need to be merged in order to
make the platform switch to low power mode when it can do so?
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@Jesse Sung
The following is the response from the feature owner
1. This patch doesn’t change the functionality on the usb-dw3 for EHL,
it mainly renames the PCI device define to ensure no misunderstanding on
there’s an LP (low power version) available.
2. As for the effect on changing this, EHL
@Jesse Sung I am confirming with the feature owner and will update once
I get reply.
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Title:
[EHL] enable USB-dw3
To manage notifications about
@Chao Qin:
I'm wondering if we need this commit in order to fulfill the goal of
enabling USB-dw3?
Commit 457d22850b27de3aea336108272d08602c55fdf7 does nothing but
`s/PCI_DEVICE_ID_INTEL_EHLLP/PCI_DEVICE_ID_INTEL_EHL/'. Although the
commit makes it more clear, it should not affect the
** Information type changed from Private to Public
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Title:
[EHL] enable USB-dw3
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