[Bug 217076] Charging causes high CPU usage on LG Gram laptops series Z90Q

2024-03-08 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=217076 --- Comment #41 from Diogo Ivo (diogo@tecnico.ulisboa.pt) --- Yeah, the fix should come from LG but as you said they are not providing BIOS updates. What happens in these situations is that we accept that the thing is buggy and add quirks for

[Bug 217076] Charging causes high CPU usage on LG Gram laptops series Z90Q

2024-03-08 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=217076 --- Comment #40 from kte...@ktecho.com --- (In reply to Diogo Ivo from comment #39) > I have been investigating this problem and I have found out that the UCSI > implementation in these laptops does not conform to the UCSI specification > in

[Bug 217076] Charging causes high CPU usage on LG Gram laptops series Z90Q

2024-03-08 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=217076 --- Comment #39 from Diogo Ivo (diogo@tecnico.ulisboa.pt) --- I have been investigating this problem and I have found out that the UCSI implementation in these laptops does not conform to the UCSI specification in multiple locations. I am

[Bug 217076] Charging causes high CPU usage on LG Gram laptops series Z90Q

2024-03-08 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=217076 --- Comment #38 from Diogo Ivo (diogo@tecnico.ulisboa.pt) --- This makes sense, when you mask GPE 0x6E during boot the initialization of the UCSI driver fails with this timeout and then it is safe for us to unmask the GPE again since the