From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Final version for a new plane SIZE_HINTS property to essentially replace the cursor size caps, based on recent discussion in this gitlab bug: https://gitlab.freedesktop.org/drm/intel/-/issues/7687 As for userspace, so far I only did a quick modetest blob decoder (mainly to verify that it looks correct): https://gitlab.freedesktop.org/vsyrjala/libdrm/-/commits/plane_size_hints Sameer & co. have done a real mutter implementation: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3165 This final version follows the original idea of having just a list of sizes in a blob, rather than the mode complex "2D bitmap" approach I also proposed later. I think that's fair, the bitmap was probably overly complicated. The only difference to the previous version of this approach is that the documentation now states that the list is sorted in order of preference, and thus userspace should pick the first suitable size from the list. This should match the aforementioned mutter implementation. Cc: Simon Ser <contact@xxxxxxxxxxx> Cc: Jonas Ådahl <jadahl@xxxxxxxxxx> Cc: Daniel Stone <daniel@xxxxxxxxxxxxx> Cc: Sameer Lattannavar <sameer.lattannavar@xxxxxxxxx> Cc: Sebastian Wick <sebastian.wick@xxxxxxxxxx> Cc: Harry Wentland <harry.wentland@xxxxxxx> Cc: Pekka Paalanen <pekka.paalanen@xxxxxxxxxxxxx> Ville Syrjälä (2): drm: Introduce plane SIZE_HINTS property drm/i915: Add SIZE_HINTS property for cursors drivers/gpu/drm/drm_mode_config.c | 7 +++ drivers/gpu/drm/drm_plane.c | 52 +++++++++++++++++++++ drivers/gpu/drm/i915/display/intel_cursor.c | 24 ++++++++++ include/drm/drm_mode_config.h | 5 ++ include/drm/drm_plane.h | 4 ++ include/uapi/drm/drm_mode.h | 11 +++++ 6 files changed, 103 insertions(+) -- 2.43.0
