RE: [PATCH rtw-next] wifi: rtw88: add quirks to disable PCI ASPM and deep LPS for HP P3S95EA#ACB

[Ping-Ke Shih <pkshih@realtek.com>]

LB F <goainwo@gmail.com> wrote:
> 
> Ping-Ke Shih <pkshih@realtek.com> wrote:
> > On an HP laptop (P3S95EA#ACB) equipped with a Realtek RTL8821CE 802.11ac
> > PCIe adapter (PCI ID: 10ec:c821), the system experiences a hard lockup
> > (complete freeze of the UI and kernel, sysrq doesn't work, requires
> > holding the power button) when the WiFi adapter enters the power
> > saving state. Disable PCI ASPM to avoid system freeze.
> > In addition, driver throws messages periodically. Though this doesn't
> > always cause unstable connection, missing H2C commands might cause
> > unpredictable results. Disable deep LPS to avoid this as well.
> 
> Tested on HP Notebook P3S95EA#ACB (kernel 6.19.7-1-cachyos):
> 
>   - No hard freeze observed during idle or active usage.
>   - Zero h2c or lps errors in dmesg across idle (10 min),
>     load stress (100MB download), and suspend/resume cycle.
>   - Both quirk flags confirmed active via sysfs without any
>     manual modprobe parameters.

Thanks for your test. I'd add this information to commit message
during getting merged. 

> 
> Tested-by: Oleksandr Havrylov <goainwo@gmail.com>
> 

As well as your Tested-by.

Ping-Ke