> -----Original Message----- > From: Larry Finger <larry.finger@xxxxxxxxx> On Behalf Of Larry Finger > Sent: Sunday, April 23, 2023 12:43 AM > To: Ping-Ke Shih <pkshih@xxxxxxxxxxx> > Cc: linux-wireless <linux-wireless@xxxxxxxxxxxxxxx> > Subject: Problems with HP BIOS > > Ping-Ke, > > In https://github.com/lwfinger/rtw89/issues/226, users with an HP 450 G9 with an > Intel processor and an HP 645 G9 with an AMD CPU report problems that seem to be > from PCI bus power handling. Both models have an RTW8852BE wireless card. Adding > all 3 options for rtw89_pci did not solve the problem, but may have helped. > > The user with the AMD CPU found a BIOS setting that disables PCI power saving > that seems to help a lot. I am not sure what to do at this point, but I wanted > to alert you to the problem. > > Such BIOS problems appear to be most common with late model HP and Lenovo laptops. > We have similar fix recently, and have sent a patch: https://lore.kernel.org/linux-wireless/20230421015357.13940-1-pkshih@xxxxxxxxxxx/T/#u Could you or the user give it a try? Ping-Ke
