Hi Piotr, Am Mittwoch, 4. Dezember 2024, 16:45:21 CET schrieb Piotr Zalewski: > I just noticed that after coming out of suspend gamma LUT is lost and must > be rewritten by userspace. > > So I guess it will be needed to save LUT to a buffer and rewrite it after > going out of suspend during modeset? Most likely ... the old vop does this already too, so I guess you can get inspiration from there. (gamma_set call in vop_crtc_atomic_enable()) > I checked the patch isn't yet in the "official" linux-next. The patch is in drm-misc-next: https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/4f537776340dab2b680a4d8554567f6884240d0b so should turn up in linux-next at some point. This also means, please provide a follow-up patch for the suspend handling. Thanks a lot Heiko