Display driver enhancement topics

From OMAPpedia

• Configurability: Add ability to handle multiple paths between overlays/managers/panels
  

• Scalability: Make it easier to add new overlays / managers in DSS
  

• Add writeback support
  

• FB - V4L2 inter-operability
  

• Support access to HDMI via both Audio and Video devices
  

• Add ability to switch channel-out of overlays per-frame, such that e.g. one iteration goes to writeback pipeline, next iteration to manager and so on.
  

• HDMI: Add standard way of HPD / user-space notification mechanism.
  

• Power management: current design is that if any one panel is enabled, some minimum clocks are used. If the panel is a smart panel, we can cut the clocks, but this is not supported currently.
  

• Support DRM

• Support MCF

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