On Mon, May 1, 2023 at 2:44 PM Felix Richter <judge@xxxxxxxxxxxxxxxxx> wrote: > > On 01.05.23 15:27, Alex Deucher wrote: > > On Mon, May 1, 2023 at 3:20 AM Felix Richter <judge@xxxxxxxxxxxxxxxxx> wrote: > >> Hi, > >> > >> I am running into an issue with the integrated GPU of the Ryzen 9 7950X. It seems to be a regression from kernel version 6.1 to 6.2. > >> The bug materializes in from of my monitor blinking, meaning it turns full white shortly. This happens very often so that the system becomes unpleasant to use. > >> > >> I am running the Archlinux Kernel: > >> The Issue happens on the bleeding edge kernel: 6.2.13 > >> Switching back to the LTS kernel resolves the issue: 6.1.26 > >> > >> I have two monitors attached to the system. One 42 inch 4k Display and a 24 inch 1080p Display and am running sway as my desktop. > >> > >> Let me know if there is more information I could provide to help narrow down the issue. > > It's related to scatter/gather display. As a workaround, you can > > disable scatter/gather display by setting amd.sg_display=0 on the > > kernel command line in grub. It's fixed properly in: > > https://gitlab.freedesktop.org/agd5f/linux/-/commit/08da182175db4c7f80850354849d95f2670e8cd9 > > Which should land in Linus' tree this week. > > > > Alex > > Thank you for your quick response. Sadly I have to report that using the > workaround kernel parameter did not resolve the issue for me. The > monitor still > turns full white although less frequently. I'll be sure to look out for > the update once it hits mainline ;) If the module parameter didn't help then perhaps you are seeing some other issue. Can you bisect? Alex > > Kind regards, > Felix
