drivers/gpu/drm/amd/display/dc/dpp/dcn42

AMD DCN 4.2 Display Pipe and Plane (DPP) component

Internal building block of AMD's Display Core Next (DCN) version 4.2 hardware pipeline, which handles per-plane scaling, color, and pixel processing inside recent Radeon and Ryzen integrated GPUs. It is part of the larger amdgpu display stack rather than a freestanding piece of hardware support.

not-a-driver conf=1.00 deploy=none replacement=none subsystem=gpu category=not-a-driver

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recommendation

This is not a standalone driver but a subdirectory of AMD's amdgpu display code, holding the DCN 4.2 generation of display pipe/plane logic. It only makes sense as part of the broader AMD GPU display driver and should not be evaluated for removal on its own.

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codex reasoning notes (technical)

Not a driver directory: contains AMD DCN4.2 display pipeline/DPP implementation code used internally by the amdgpu display stack, not a standalone kernel-bound hardware driver.