APPLIED Re: [PATCH 0/1][SRU][OEM-5.14/OEM-5.17] Fix beacon loss for rtl8821ce on certain platforms

[Timo Aaltonen]

Chris Chiu kirjoitti 22.4.2022 klo 6.42:
> BugLink: https://bugs.launchpad.net/bugs/1969771
> 
> [Impact]
> On the intel ADL-U platform, the rtl8821ce suffers the beacon loss frequently because the driver doesn't received any beacon from AP. It causes the wpa-supplicant to reconnect again and again. Given it's critical to user experience and the urgent schedule, we need to SRU before getting approval.
> 
> [Fix]
> Realtek release a fix to disable the PCI completion timeout on rtl8821ce so the PCI bus won't get stuck and can handed the received packets to the driver correctly.
> 
> [Test Case]
> 1. Connect the WiFi to internet by selecting a internet connected AP
> 2. ping 8.8.8.8 to check the internet connectivity for at least 5 minutes.
> 3. Make sure no 'CTRL-EVENT-BEACON-LOSS' event reported from wpa_supplicant
> 
> [Where problems could occur]
> Risk should be Low. It's only applied for RTL8821CE to disable the completion timeout capability.
> 
> Po-Hao Huang (1):
>    rtw88: pci: 8821c: Disable 21ce completion timeout
> 
>   drivers/net/wireless/realtek/rtw88/pci.c | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 

applied to oem-5.14 and oem-5.17, thanks

this needs to get in jammy too!

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