drm/amd/display - Display Core (DC)

AMD display engine is partially shared with other operating systems; for this reason, our Display Core Driver is divided into two pieces:

  1. Display Core (DC) contains the OS-agnostic components. Things like hardware programming and resource management are handled here.
  2. Display Manager (DM) contains the OS-dependent components. Hooks to the amdgpu base driver and DRM are implemented here.

The display pipe is responsible for “scanning out” a rendered frame from the GPU memory (also called VRAM, FrameBuffer, etc.) to a display. In other words, it would:

  1. Read frame information from memory;
  2. Perform required transformation;
  3. Send pixel data to sink devices.

If you want to learn more about our driver details, take a look at the below table of content: