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External display hotplug support v3

Andrii Chepurnyi requested to merge andrii82/drm-hwcomposer:rfc-hotplug-1 into master


  • Rebased onto the master
  • Comments from @seanpaul were addressed


  • Rebased onto the master
  • Minor fixes after testing on real hardware
  • Some of the comments from @seanpaul were addressed
  • Additional patch for the preferred mode


First of all, you need to have these patches(not a part of 8 and 8.1) in the Android tree for correct hotplug:

Open questions for now: Do we need hotplug of main display?

Can somebody test these on the real hardware? (I'm working in a hypervisor environment, so I unable to test these on real hardware).

Comments are highly appreciated.

Edited by Andrii Chepurnyi

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