On Thu, Apr 28, 2022 at 8:58 AM Torsten Duwe <duwe@xxxxxx> wrote: > > On Mon, 18 Apr 2022 17:25:57 -0700 > Vasily Khoruzhick <anarsoul@xxxxxxxxx> wrote: > > > On Sun, Apr 17, 2022 at 11:52 AM Vasily Khoruzhick > > <anarsoul@xxxxxxxxx> wrote: > > > > The change looks good to me, but I'll need some time to actually > > > test it. If you don't hear from me for longer than a week please > > > ping me. > > > > Your change doesn't fix the issue for me. Running "xrandr --output > > eDP-1 --off; xrandr --output eDP-1 --auto" in a loop triggers the > > issue pretty quickly even with the patch. > > Nope, even that works fine here. Side question: how do you initially > power on the eDP bridge? Could there be any leftovers from that > mechanism? I use a hacked-up U-Boot with a procedure similar to the > kernel driver as fixed by this change. > > But the main question is: does this patch in any way worsen the > situation on the pinebook? I don't think it worsens anything, but according to the datasheet the change makes no sense. Could you try increasing T2 instead of changing the power sequence? > Torsten
