rtw89_8852ce - Lost WIFI connection after suspend

[AceLan Kao]

[Impact]
Lost WIFI connection after suspend.
While this happen, the WIFI module couldn't detect any AP, re-enable module and reboot OS without any help.
There only way to get it back is cold boot.

[Fix]
Realtek provides a fix which has been included in rtw maintainer's tree
https://<email address hidden>/T/#mbfcb37c2fdc85ba280743f2b07fbf1fa8719eb79

The commits has been included in v6.10-rc1
4e5957101d42 wifi: rtw89: 8852c: refine power sequence to imporve power consumption
535c045da60f wifi: rtw89: reset AFEDIG register in power off sequence

[Test case]
1. Boot into OS
2. open terminal to keep checking dmesg or check the wifi connection from GUI
3. suspend/resume multiple times
4. check the wifi connection

[Where problems could occur]
What the 2 commits should be safe and won't introduce any regression.
1. Reset AFEDIG register before BB reset in power off sequence
2. Adjust power and clock parameters

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-oem-6.5/6.5.0-1025.26 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-jammy-linux-oem-6.5' to 'verification-done-jammy-linux-oem-6.5'. If the problem still exists, change the tag 'verification-needed-jammy-linux-oem-6.5' to 'verification-failed-jammy-linux-oem-6.5'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-oem-6.5 - 6.5.0-1025.26

---------------
linux-oem-6.5 (6.5.0-1025.26) jammy; urgency=medium

  * jammy/linux-oem-6.5: 6.5.0-1025.26 -proposed tracker (LP: #2068187)

  * Packaging resync (LP: #1786013)
    - [Packaging] drop getabis data

  * Disable the i915.psr2 on AUO(0x06,0xaf,0xa3,0xc3) panel (LP: #2067980)
    - SAUCE: drm/i915/display/psr: disable psr2 for panel_0x06_0xaf_0xa3_0xc3

  * Mute/mic LEDs no function on ProBook 440/460 G11 (LP: #2067669)
    - ALSA: hda/realtek: fix mute/micmute LEDs don't work for ProBook 440/460 G11.

  * rtw89_8852ce - Lost WIFI connection after suspend (LP: #2065128)
    - wifi: rtw89: reset AFEDIG register in power off sequence
    - wifi: rtw89: 8852c: refine power sequence to imporve power consumption

  [ Ubuntu: 6.5.0-42.42 ]

  * mantic/linux: 6.5.0-42.42 -proposed tracker (LP: #2068188)
  * CVE-2024-26925
    - netfilter: nf_tables: release batch on table validation from abort path
    - netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path
  * CVE-2024-26924
    - netfilter: nft_set_pipapo: do not free live element
  * CVE-2024-26809
    - netfilter: nft_set_pipapo: release elements in clone only from destroy path
  * Mantic update: upstream stable patchset 2024-04-02 (LP: #2059991) //
    CVE-2024-26809
    - netfilter: nft_set_pipapo: store index in scratch maps
    - netfilter: nft_set_pipapo: add helper to release pcpu scratch area
    - netfilter: nft_set_pipapo: remove scratch_aligned pointer
  * CVE-2024-26643
    - netfilter: nf_tables: mark set as dead when unbinding anonymous set with
      timeout

  [ Ubuntu: 6.5.0-41.41 ]

  * mantic/linux: 6.5.0-41.41 -proposed tracker (LP: #2065893)
  * CVE-2024-21823
    - VFIO: Add the SPR_DSA and SPR_IAX devices to the denylist
    - dmaengine: idxd: add a new security check to deal with a hardware erratum
    - dmaengine: idxd: add a write() method for applications to submit work

 -- Kuan-Ying Lee <email address hidden> Thu, 13 Jun 2024 15:13:51 +0800

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux/6.8.0-40.40 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-noble-linux' to 'verification-done-noble-linux'. If the problem still exists, change the tag 'verification-needed-noble-linux' to 'verification-failed-noble-linux'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!