7273912e1e90 drm/{i915, xe}/stolen: make insert_node, area_address, area_size optional
aec659082aa7 drm/{i915, xe}/stolen: move stolen memory handling to display parent interface
e17cf802b5ec drm/xe/stolen: unify interface with i915
831771b7e617 drm/i915/fbc: let to_intel_display() do its generic magic