v2 of [1]. Please read the cover letter there. This addresses review comments and adds a few more commits on top, in particular the last one showcasing the approach. The main question remains, is this what we want? BR, Jani. [1] https://lore.kernel.org/r/cover.1718719962.git.jani.nikula@xxxxxxxxx Jani Nikula (9): drm/i915/display: use a macro to initialize subplatforms drm/i915/display: use a macro to define platform enumerations drm/i915/display: join the platform and subplatform enums drm/i915/display: add display platforms structure with platform members drm/i915/display: add platforms "is" member to struct intel_display drm/i915/display: remove the display platform enum as unnecessary drm/i915/display: consider HSW/BDW ULX to also be ULT drm/i915/display: keep subplatforms next to their platforms drm/i915/bios: use display->is.PLATFORM instead of IS_PLATFORM() drivers/gpu/drm/i915/display/intel_bios.c | 36 ++-- .../gpu/drm/i915/display/intel_display_core.h | 3 + .../drm/i915/display/intel_display_device.c | 89 ++++++--- .../drm/i915/display/intel_display_device.h | 180 ++++++++++-------- 4 files changed, 174 insertions(+), 134 deletions(-) -- 2.39.2