D23535: [server] Use cached current mode more and assert validness

[Roman Gilg]

romangg created this revision.
romangg added a reviewer: KWin.
Herald added a project: Frameworks.
Herald added a subscriber: kde-frameworks-devel.
romangg requested review of this revision.

REVISION SUMMARY
  We can use the cached current mode in one more case. Additionally make it
  more explicit what a valid mode is and when to add them.

TEST PLAN
  Relevant autotests pass. KWin Wayland nested and DRM session work.

REPOSITORY
  R127 KWayland

BRANCH
  useCachedMode

REVISION DETAIL
  https://phabricator.kde.org/D23535

AFFECTED FILES
  src/server/outputdevice_interface.cpp
  src/server/outputdevice_interface.h

To: romangg, #kwin
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns
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