D9906: Wayland: don't update output configuration if there are no changes

[Daniel Vrátil]

dvratil created this revision.
dvratil added reviewers: sebas, davidedmundson.
Restricted Application added a project: Plasma.
Restricted Application added a subscriber: plasma-devel.
dvratil requested review of this revision.

REVISION SUMMARY
  This prevents the code from unnecesarilly emitting configChanged() if there
  was in fact no change. This could lead to an endless loop when a client applies
  current config and despite there not being no changes the backend emits
  configChanged() to which the client reacts by applying the current config again
  etc.

REPOSITORY
  R110 KScreen Library

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D9906

AFFECTED FILES
  backends/kwayland/waylandconfig.cpp

To: dvratil, sebas, davidedmundson
Cc: plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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