Ryzen7 3700U xhci fails on resume from sleep

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Hi,

Working with a new consumer laptop based on AMD Ryzen 7 3700U, all USB
functionality goes dead upon suspend/resume (s2idle). Reproduced on
linus master from today.

<<<suspend>>>
Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
<<<wake up happens here>>>
xhci_hcd 0000:03:00.3: Refused to change power state, currently in D3
xhci_hcd 0000:03:00.4: Refused to change power state, currently in D3
WARNING: CPU: 0 PID: 1980 at kernel/irq/chip.c:210 irq_startup+0xda/0xe0
Modules linked in:
CPU: 0 PID: 1980 Comm: bash Not tainted 5.3.0-rc6+ #265
Hardware name: ASUSTeK COMPUTER INC. ZenBook UX434DA_UX434DA/UX434DA,
BIOS UX434DA_UX434DA.301-C03 08/20/2019
RIP: 0010:irq_startup+0xda/0xe0
Code: ef e8 fa 2b 00 00 85 c0 0f 85 04 09 00 00 48 89 ee 31 d2 4c 89
ef e8 d5 d3 ff ff 48 89 df e8 cd fe ff ff 89 c5 e9 53 ff ff ff <0f> 0b
eb b5 66 90 55 48 89 fd 53 48 8b 47 38 89 f3 8b 00 a9 00 00
RSP: 0018:ffffa045407cfd68 EFLAGS: 00010002
RAX: 0000000000000040 RBX: ffff98058e968800 RCX: 0000000000000040
RDX: 0000000000000000 RSI: ffffffffa2b6d1f8 RDI: ffff98058e968818
RBP: ffff98058e968818 R08: 0000000000000000 R09: ffff98058ec00650
R10: 0000000000000000 R11: ffffffffa2a49568 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000246 R15: ffffa045407cfde0
FS:  00007f2d54054740(0000) GS:ffff980590c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562df2f3c976 CR3: 000000040ea00000 CR4: 00000000003406f0
Call Trace:
 resume_irqs+0x9e/0xd0
 dpm_noirq_end+0x5/0x10
 suspend_devices_and_enter+0x587/0x780
 pm_suspend.cold.7+0x309/0x35f
 state_store+0x7b/0xe0
 kernfs_fop_write+0x100/0x180
 vfs_write+0xa0/0x1a0
 ksys_write+0x54/0xd0
 do_syscall_64+0x3d/0x110
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f2d54141804
Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00
00 48 8d 05 f9 5e 0d 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d
00 f0 ff ff 77 54 c3 0f 1f 00 41 54 49 89 d4 55 48 89 f5 53
RSP: 002b:00007ffce602cb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2d54141804
RDX: 0000000000000004 RSI: 000055764b26faa0 RDI: 0000000000000001
RBP: 000055764b26faa0 R08: 000000000000000a R09: 0000000000000077
R10: 000000000000000a R11: 0000000000000246 R12: 00007f2d54213760
R13: 0000000000000004 R14: 00007f2d5420e760 R15: 0000000000000004
---[ end trace 68323bdeb91ed863 ]---
xhci_hcd 0000:03:00.4: enabling device (0000 -> 0002)
xhci_hcd 0000:03:00.3: enabling device (0000 -> 0002)
xhci_hcd 0000:03:00.4: WARN: xHC restore state timeout
xhci_hcd 0000:03:00.4: PCI post-resume error -110!
xhci_hcd 0000:03:00.4: HC died; cleaning up
xhci_hcd 0000:03:00.3: WARN: xHC restore state timeout
PM: dpm_run_callback(): pci_pm_resume+0x0/0x90 returns -110
xhci_hcd 0000:03:00.3: PCI post-resume error -110!
PM: Device 0000:03:00.4 failed to resume async: error -110
xhci_hcd 0000:03:00.3: HC died; cleaning up
PM: dpm_run_callback(): pci_pm_resume+0x0/0x90 returns -110
PM: Device 0000:03:00.3 failed to resume async: error -110
Restarting tasks ...
usb 1-3: USB disconnect, device number 2
usb 3-1: USB disconnect, device number 2
asix 1-3:1.0 enx001c490105e9: unregister 'asix' usb-0000:03:00.3-3,
ASIX AX88772 USB 2.0 Ethernet
done.
PM: suspend exit
xhci_hcd 0000:03:00.4: xHCI host controller not responding, assume dead
xhci_hcd 0000:03:00.4: HC died; cleaning up
xhci_hcd 0000:03:00.4: Timeout while waiting for configure endpoint command
xhci_hcd 0000:03:00.3: xHCI host controller not responding, assume dead
xhci_hcd 0000:03:00.3: HC died; cleaning up
xhci_hcd 0000:03:00.3: Timeout while waiting for configure endpoint command
usb 3-2: USB disconnect, device number 3
usb 1-4: USB disconnect, device number 3

I think the irq_startup() warning is unrelated - anyway the logs
already start complaining about xhci_hcd above that:

xhci_hcd 0000:03:00.3: Refused to change power state, currently in D3
xhci_hcd 0000:03:00.4: Refused to change power state, currently in D3

These messages indicate that Linux tried to power on the device again,
but the PCI power management registers indicate that it ignored the
request and remains in D3.

I tried a few things like making it try D3hot instead of D3cold (which
is what it's aiming for even though it's not mentioned in the logs
above), and disabling the suspend/resume actions taken by
drivers/pci/pci-acpi.c without any improvement.

Trying to sanity check other basic details I observe that this simple
routine (to put it in D3 then D0) also fails:

# cd /sys/bus/pci/drivers/xhci_hcd
# echo -n 0000:00:03.0 > unbind
# setpci -s 00:00.3 CAP_PM+4.b=3
# setpci -s 00:00.3 CAP_PM+4.b=0
# echo -n 0000:00:03.0 > bind

bind then fails with:
  xhci_hcd 0000:03:00.3: enabling device (0000 -> 0002)
  xhci_hcd 0000:03:00.3: xHCI Host Controller
  xhci_hcd 0000:03:00.3: new USB bus registered, assigned bus number 1
  xhci_hcd 0000:03:00.3: Host halt failed, -19
  xhci_hcd 0000:03:00.3: can't setup: -19
  xhci_hcd 0000:03:00.3: USB bus 1 deregistered
  xhci_hcd 0000:03:00.3: init 0000:03:00.3 fail, -19

As another test I was wondering if I could get Linux to put it into D3
and then go back into D0 without having to go through the whole
suspend procedure, but even when I unbind it from xhci_hcd and set
power/control to "auto" in /sys/bus/pci/devices/0000:03:00.3,
runtime_status is "suspended" but Linux still leaves the device in D0
- is that expected?

Any debugging pointers much appreciated.

acpidump:
https://gist.github.com/dsd/ff3dfc0f63cdd9eba4a0fbd9e776e8be

lspci:
https://gist.github.com/dsd/bd9370b35defdf43680b81ecb34381d5

Thanks
Daniel



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