Re: [PATCH 1/2] wifi: mt76: mt7921: Disable powersaving by default

[Felix Fietkau <nbd@nbd.name>]

On 12.12.23 10:08, Mario Limonciello wrote:
> Several users have reported awful latency when powersaving is enabled
> with certain access point combinations. It's also reported that the
> powersaving feature doesn't provide an ample enough savings to justify
> being enabled by default with these issues.
> 
> Introduce a module parameter that would control the power saving
> behavior.  Set it to default as disabled. This mirrors what some other
> WLAN drivers like iwlwifi do.
> 
> Suggested-by: Sultan Alsawaf <sultan@kerneltoast.com>
> Link: https://codeberg.org/Hybrid-Project-Developers/linux-tkg/blame/branch/master/mt76:-mt7921:-Disable-powersave-features-by-default.mypatch
> Link: https://aur.archlinux.org/cgit/aur.git/tree/0027-mt76_-mt7921_-Disable-powersave-features-by-default.patch?h=linux-g14
> Link: https://community.frame.work/t/responded-strange-wlan-problems-with-kernel-branch-6-2/41868/4
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>

This patch is disabling two different things at the same time:
- Wifi powersaving
- Device hardware powersaving

Have you tried simply disabling 802.11 powersave via nl80211 to mitigate 
the issues with affected APs?

- Felix