On Sat, Feb 3, 2018 at 5:20 AM, Pandiyan, Dhinakaran <dhinakaran.pandiyan@xxxxxxxxx> wrote: > > On Fri, 2018-02-02 at 19:18 +0000, Andy Lutomirski wrote: >> I updated to 4.15, and the situation is much worse. With >> enable_psr=1, the system survives for several seconds and then the >> screen stops updating entirely. If I boot with i915.enable_psr=1, I >> get to the Fedora login screen and then the system dies. If I set >> enable_psr=1 using sysfs, it does a bit after the next resume. It >> seems like it also sometimes hangs even worse a bit after the screen >> stops updating, but it's hard to tell. > > The login screen freeze sounds like what I have. Does this system have > DMC firmware? If yes, can you try this series > https://patchwork.freedesktop.org/series/37598/. You'll only need > patches 1,8,9 and 10. That fixes the hang. Feel free to add: Tested-by: Andy Lutomirski <luto@xxxxxxxxxx> to the i915 parts. Also, any chance of getting it into the 4.15 stable kernels? --Andy _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel