Re: [REGRESSION] Dell Latitude 7390 Intel UHD Graphics 620 display becomes extremely dim after kernel 7.x upgrade
Luna Jernberg <[email protected]>
| Newsgroups | dev.linux.lists.regressions,org.freedesktop.lists.intel-gfx |
|---|---|
| Message-ID | <CADo9pHhnajqPJi+7o5MK=8_RXTrqUuGJ54cO1B14F-0m7FQ5WA@mail.gmail.com> |
Not sure if this is the same bug that i found a couple of weeks ago in April, if so it should be fixed with 7.1 Den mån 17 aug. 2026 kl 15:14 skrev Thorsten Leemhuis <[email protected]>: > > On 8/17/26 14:55, Jani Nikula wrote: > > On Thu, 06 Aug 2026, "[email protected]" <[email protected]> wrote: > >> I would like to report a possible kernel regression affecting the > >> internal display brightness on my Dell Latitude 7390. > > > > Please file a bug as described at [1]. > > > > [1] https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html > Before doing so you might want to try 7.2 vanilla, as there was a > backlight bug affecting that machine that was fixed long ago: > https://gitlab.freedesktop.org/drm/i915/kernel/-/work_items/16015 > > Maybe Ubuntu just never picked up the fix. So if 7.2 works, you need to > report it to them. > > Ciao, Thorsten