drivers/gpu/drm/amd/display/dc/mmhubbub/dcn32

AMD DCN 3.2 MMHUBBUB display IP helper code

MMHUBBUB is one of the internal hardware blocks inside AMD's DCN 3.2 display pipeline, found on Radeon RX 7000 series and related RDNA 3 GPUs released from late 2022 onward. It handles memory-hub writeback paths so the display engine can stream framebuffer data to and from system memory.

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

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This is not actually a standalone driver directory; it is a small set of helper files inside AMD's Display Core that program the MMHUBBUB (memory-hub bypass) block for the DCN 3.2 display engine used in RDNA 3 era GPUs. It only exists as part of the larger amdgpu driver and has no independent lifecycle of its own.

repository signals

2 files

450 source lines

1 commits, 5y

+450 / −0 lines added / removed, 5y

1 authors, 5y

monthly commits · 2021-04-21 → 2026-04-21 · 1 total · active in 1/61 months

sources

No sources cited.

codex reasoning notes (technical)

Not a driver directory: contains AMD display-core IP block helper code for the DCN3.2 mmhubbub component, not a standalone kernel-bound hardware driver.