tree 67168b160cd17b666db3e1250b1449f4c1b73acc
parent fa90e204a7f95300e1b50a2949b13c7748a62a88
author Varun Arora <varuaror@codeaurora.org> 1549591698 -0800
committer Varun Arora <varuaror@codeaurora.org> 1549591698 -0800

sdm: Implement getDisplayIdentificationData

* Implement call flow from client to display interface.

* Use display interface to query EDID blob from Connector information
  and return to client alongside pre-established port information from
  sde-drm during display creation.

* Create EDID blob for Null Display (QMAA) to represent a 1920x1080
  60fps display with panel name "Null Display" and port corresponding to
  either builtin or external, depending on DisplayNull class instantiated.

* Introduce kErrorDriverData as a display interface error to represent
  situations in which expected data from the driver is missing.
  Currently this applied to EDID blob for all physical panels.

* Update UnregisterDisplay API to allow cleanup of token via sde-drm.

Change-Id: I5661f7bc0a5a68cdffa0cad3fe2351baa647012c
CRs-Fixed: 2380873