Re: [REGRESSION] i915: s2idle lid-open resume leaves eDP panel black until an input event (Raptor Lake; works on 6.18 LTS)

[Jani Nikula]

On Sun, 06 Sep 2026, "徐庆" <965456495@xxxxxx> wrote:
> a regression report, following Documentation/admin-guide/reporting-regressions.rst:
>
>
> Regression range: v6.18..v7.2 (last known good: linux-lts 6.18.49-2-lts;
> first tested broken: 7.2.3-arch1-2; intermediate 7.0/7.1/7.2 untested)
>
>
> Symptom:
> After closing the lid (systemd-logind suspends to s2idle) and reopening it,
> the machine resumes fine (kernel resume log clean, ~1 s, Wi-Fi and input
> work), but the internal eDP panel stays on a static black frame. The screen
> only lights up after any input event (key press or mouse move), which then
> triggers the compositor to repaint. Reproducible on every lid cycle with
> kernel 7.2.3; the identical userspace on linux-lts 6.18.49-2-lts does NOT
> show the problem.

Please file a bug report as described at [1].

BR,
Jani.

[1] https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html


-- 
Jani Nikula, Intel