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

AMD DCN 4.2 Display Core Resource Module

An internal component of AMD's amdgpu display stack that describes the resources (pipes, clocks, memory bandwidth) of the DCN 4.2 generation display hardware found in recent Radeon and Ryzen integrated graphics. It is consumed by the broader Display Core code rather than being loaded on its own.

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

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recommendation

This is not actually a standalone driver; it is a per-generation resource-planning subdirectory inside AMD's Display Core (DC) code under the amdgpu graphics driver. Keep/remove decisions only make sense at the level of amdgpu as a whole.

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codex reasoning notes (technical)

Not a driver directory: AMD DCN4.2 display resource-planning subdirectory inside the amdgpu display stack, not a standalone kernel-bound hardware driver entry point.