On Fri, 13 Mar 2026 at 09:37, Geert Uytterhoeven <[email protected]> wrote: > On Fri, 27 Feb 2026 at 10:57, <[email protected]> wrote: > > > What do you mean by "deep sleep"? s2ram? In upstream, s2ram behaves > > > the same as s2idle, and the LCD works fine after resume from s2ram on > > > my Amadillo, with and without your patch, > > > > > What am I missing? > > > Thanks! > > > > Thank you for your feedback. > > > > To clarify the "deep sleep" context, I have tested both s2idle and deep > > states using: > > - echo freeze > /sys/power/state > > - echo mem > /sys/power/state > > OK, same for me. > > > On my hardware, the issue is consistently reproducible in both cases, > > resulting in a completely white screen after resume. > > TL;DR it depends on kernel config. > With my .config, your patch is not needed (but it doesn't hurt). > With your .config, your patch is needed. > Unfortunately I haven't found yet which config options causes this. > I will send you my .config by personal email. > > Your change looks valid to me, so > Reviewed-by: Geert Uytterhoeven <[email protected]>
And of course: Tested-by: Geert Uytterhoeven <[email protected]> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
