[RFC v2] ath11k: enable non-wow suspend and resume

Mon Nov 16 07:55:40 EST 2020

On Fri, Nov 13, 2020 at 4:36 PM Pavel Procopiuc
<pavel.procopiuc at gmail.com> wrote:
>
> > For QCA6390, it needs to power down target when system suspends and
> > needs to power up target when system resumes in non-wow scenario.
> >
> > The power up procedure downloads firmware again.
>
> I've tried the patch against 5.10-rc3 (with 7fef431be9c9 reverted) and resuming from the suspend didn't bring up the
> wireless card QCA6390 (in Dell XPS 17):
>
> $ journalctl -b | grep -iP '05:00|ath11k|Linux version'
> Nov 13 13:47:51 razor kernel: Linux version 5.10.0-rc3 (root at razor) (gcc (Gentoo 9.3.0-r1 p3) 9.3.0, GNU ld (Gentoo 2.34
> p6) 2.34.0) #8 SMP Thu Nov 12 13:56:10 CET 2020
> Nov 13 13:47:51 razor kernel: pci 0000:05:00.0: [17cb:1101] type 00 class 0x028000
> Nov 13 13:47:51 razor kernel: pci 0000:05:00.0: reg 0x10: [mem 0xd2100000-0xd21fffff 64bit]
> Nov 13 13:47:51 razor kernel: pci 0000:05:00.0: PME# supported from D0 D3hot D3cold
> Nov 13 13:47:51 razor kernel: pci 0000:05:00.0: 4.000 Gb/s available PCIe bandwidth, limited by 5.0 GT/s PCIe x1 link at
> 0000:00:1c.1 (capable of 7.876 Gb/s with 8.0 GT/s PCIe x1 link)
> Nov 13 13:47:51 razor kernel: pci 0000:05:00.0: Adding to iommu group 21
> Nov 13 13:47:52 razor kernel: ath11k_pci 0000:05:00.0: WARNING: ath11k PCI support is experimental!
> Nov 13 13:47:52 razor kernel: ath11k_pci 0000:05:00.0: BAR 0: assigned [mem 0xd2100000-0xd21fffff 64bit]
> Nov 13 13:47:52 razor kernel: ath11k_pci 0000:05:00.0: enabling device (0000 -> 0002)
> Nov 13 13:47:52 razor kernel: mhi 0000:05:00.0: Requested to power ON
> Nov 13 13:47:52 razor kernel: mhi 0000:05:00.0: Power on setup success
> Nov 13 13:47:52 razor kernel: ath11k_pci 0000:05:00.0: Respond mem req failed, result: 1, err: 0
> Nov 13 13:47:52 razor kernel: ath11k_pci 0000:05:00.0: qmi failed to respond fw mem req:-22
> Nov 13 13:47:52 razor kernel: ath11k_pci 0000:05:00.0: chip_id 0x0 chip_family 0xb board_id 0xff soc_id 0xffffffff
> Nov 13 13:47:52 razor kernel: ath11k_pci 0000:05:00.0: fw_version 0x101c06cc fw_build_timestamp 2020-06-24 19:50 fw_build_id
> Nov 13 13:47:54 razor NetworkManager[791]: <info>  [1605271674.1171] rfkill1: found Wi-Fi radio killswitch (at
> /sys/devices/pci0000:00/0000:00:1c.1/0000:05:00.0/ieee80211/phy0/rfkill1) (driver ath11k_pci)
> Nov 13 13:47:56 razor ModemManager[728]: <info>  Couldn't check support for device
> '/sys/devices/pci0000:00/0000:00:1c.1/0000:05:00.0': not supported by any plugin
>
> ... suspended and resumed here ...
>
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: link down error during global reset
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: link down error during global reset
> Nov 13 14:09:13 razor kernel: DMAR: [INTR-REMAP] Request device [05:00.0] fault index 80 [fault reason 34] Present field
> in the IRTE entry is clear
> Nov 13 14:09:13 razor kernel: mhi 0000:05:00.0: Requested to power ON
> Nov 13 14:09:13 razor kernel: mhi 0000:05:00.0: Power on setup success
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: Respond mem req failed, result: 1, err: 0
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: qmi failed to respond fw mem req:-22
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: chip_id 0x0 chip_family 0xb board_id 0xff soc_id 0xffffffff
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: fw_version 0x101c06cc fw_build_timestamp 2020-06-24 19:50 fw_build_id
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: failed to connect to HTT: -108
> Nov 13 14:09:13 razor kernel: ath11k_pci 0000:05:00.0: failed to start core: -108
> Nov 13 14:09:16 razor ModemManager[728]: <info>  Couldn't check support for device
> '/sys/devices/pci0000:00/0000:00:1c.1/0000:05:00.0': not supported by any plugin
> Nov 13 14:09:17 razor kernel: ath11k_pci 0000:05:00.0: wait mac start timeout
> Nov 13 14:09:17 razor kernel: ath11k_pci 0000:05:00.0: failed to send WMI_PDEV_SET_PARAM cmd
> Nov 13 14:09:17 razor kernel: ath11k_pci 0000:05:00.0: failed to enable PMF QOS: (-108
> Nov 13 14:09:17 razor kernel: ath11k_pci 0000:05:00.0: failed to send WMI_PDEV_SET_PARAM cmd
> Nov 13 14:09:17 razor kernel: ath11k_pci 0000:05:00.0: failed to enable PMF QOS: (-108
> Nov 13 14:09:17 razor kernel: ath11k_pci 0000:05:00.0: failed to send WMI_PDEV_SET_PARAM cmd
> Nov 13 14:09:17 razor kernel: ath11k_pci 0000:05:00.0: failed to enable PMF QOS: (-108
> Nov 13 14:09:27 razor kernel: ath11k_pci 0000:05:00.0: failed to send WMI_PDEV_SET_PARAM cmd
> Nov 13 14:09:27 razor kernel: ath11k_pci 0000:05:00.0: failed to enable PMF QOS: (-108
> Nov 13 14:09:27 razor kernel: ath11k_pci 0000:05:00.0: failed to send WMI_PDEV_SET_PARAM cmd
> Nov 13 14:09:27 razor kernel: ath11k_pci 0000:05:00.0: failed to enable PMF QOS: (-108
> Nov 13 14:09:37 razor kernel: ath11k_pci 0000:05:00.0: failed to send WMI_PDEV_SET_PARAM cmd
> Nov 13 14:09:37 razor kernel: ath11k_pci 0000:05:00.0: failed to enable PMF QOS: (-108
> Nov 13 14:09:37 razor kernel: ath11k_pci 0000:05:00.0: failed to send WMI_PDEV_SET_PARAM cmd
> Nov 13 14:09:37 razor kernel: ath11k_pci 0000:05:00.0: failed to enable PMF QOS: (-108
> Nov 13 14:09:41 razor NetworkManager[791]: <info>  [1605272981.9889] radio killswitch
> /sys/devices/pci0000:00/0000:00:1c.1/0000:05:00.0/ieee80211/phy0/rfkill1 disappeared
>
> --
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I was also able to try this on the xps 13 9310 with similar results:

[  439.639090] ath11k_pci 0000:55:00.0: Respond mem req failed,
result: 1, err: 0
[  439.639096] ath11k_pci 0000:55:00.0: qmi failed to respond fw mem req:-22
[  439.640549] ath11k_pci 0000:55:00.0: req mem_seg[0] 0x28200000 524288 1
[  439.640552] ath11k_pci 0000:55:00.0: req mem_seg[1] 0x28280000 524288 1
[  439.640554] ath11k_pci 0000:55:00.0: req mem_seg[2] 0x28300000 524288 1
[  439.640556] ath11k_pci 0000:55:00.0: req mem_seg[3] 0x28380000 294912 1
[  439.640558] ath11k_pci 0000:55:00.0: req mem_seg[4] 0x27c00000 524288 1
[  439.640559] ath11k_pci 0000:55:00.0: req mem_seg[5] 0x27c80000 524288 1
[  439.640561] ath11k_pci 0000:55:00.0: req mem_seg[6] 0x27d00000 458752 1
[  439.640563] ath11k_pci 0000:55:00.0: req mem_seg[7] 0x28160000 131072 1
[  439.640564] ath11k_pci 0000:55:00.0: req mem_seg[8] 0x27d80000 524288 4
[  439.640566] ath11k_pci 0000:55:00.0: req mem_seg[9] 0x27e00000 360448 4
[  439.640568] ath11k_pci 0000:55:00.0: req mem_seg[10] 0x27980000 16384 1
[  439.648216] ath11k_pci 0000:55:00.0: chip_id 0x0 chip_family 0xb
board_id 0xff soc_id 0xffffffff
[  439.648220] ath11k_pci 0000:55:00.0: fw_version 0x101c06cc
fw_build_timestamp 2020-06-24 19:50 fw_build_id
[  439.699224] ath11k_pci 0000:55:00.0: failed to connect to HTT: -108
[  439.702026] ath11k_pci 0000:55:00.0: failed to start core: -108
[  442.623528] ath11k_pci 0000:55:00.0: wait mac start timeout
[  442.623536] ath11k_pci 0000:55:00.0: failed to send WMI_PDEV_SET_PARAM cmd
[  442.623538] ath11k_pci 0000:55:00.0: failed to enable PMF QOS: (-108
[  442.625125] ath11k_pci 0000:55:00.0: failed to send WMI_PDEV_SET_PARAM cmd
[  442.625127] ath11k_pci 0000:55:00.0: failed to enable PMF QOS: (-108
[  442.625324] ath11k_pci 0000:55:00.0: failed to send WMI_PDEV_SET_PARAM cmd
[  442.625326] ath11k_pci 0000:55:00.0: failed to enable PMF QOS: (-108