This adds the plumbing for reading panel rotation from the devicetree and sets up adding a panel property for the panel orientation on Mediatek SoCs when a rotation is present.
v10 changes: -Adapted to drm_panel_attach changes, so panel orientation is now set for the connector in get_modes -Dropped patch that was already accepted
v9 changes: -Changed to copying display properties from another copy of drm_display_info in drm_panel_attach.
v8 changes: -added reviewed-by tags -fixed conflict with i915 patch that recently landed -Added additional documentation
v7 changes: -forgot to add static inline
v6 changes: -added enum declaration to drm_panel.h header
v5 changes: -rebased
v4 changes: -fixed some changes made to the i915 driver -clarified comments on of orientation helper
v3 changes: -changed from attach/detach callbacks to directly setting fixed panel values in drm_panel_attach -removed update to Documentation -added separate function for quirked panel orientation property init
v2 changes: fixed build errors in i915
Derek Basehore (4): drm/panel: Add helper for reading DT rotation drm/panel: set display info in panel attach drm/connector: Split out orientation quirk detection drm/mtk: add panel orientation property
drivers/gpu/drm/drm_connector.c | 45 ++++++++++++++----- drivers/gpu/drm/drm_panel.c | 70 ++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_dp.c | 4 +- drivers/gpu/drm/i915/vlv_dsi.c | 5 +-- drivers/gpu/drm/mediatek/mtk_dsi.c | 8 ++++ include/drm/drm_connector.h | 2 + include/drm/drm_panel.h | 21 +++++++++ 7 files changed, 138 insertions(+), 17 deletions(-)