Since the proposed general fix, fixed the backlight on TUXEDO devices but broke it on toher ones: - https://gitlab.freedesktop.org/drm/i915/kernel/-/work_items/15679#note_3581777 - https://lore.kernel.org/all/[email protected]/ I'm back here again proposing the fix via quirk.
I therefore rebased https://lore.kernel.org/all/[email protected]/ to cleanly apply on current drm-tip. V1-V2: Switch from dmis trings to PCI-IDs V2-V3: Rebase onto current drm-tip Werner Sembach (1): drm/i915/display: Add quirk to force backlight type on some TUXEDO devices .../drm/i915/display/intel_dp_aux_backlight.c | 9 ++++++- drivers/gpu/drm/i915/display/intel_quirks.c | 24 +++++++++++++++++++ drivers/gpu/drm/i915/display/intel_quirks.h | 1 + 3 files changed, 33 insertions(+), 1 deletion(-) base-commit: 814bd7de7f09446c4b9401eecb8b30c3285af78b -- 2.43.0
