D26219: Check DPMS extension being present

[Kai Uwe Broulik]

broulik created this revision.
broulik added a reviewer: Plasma.
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REVISION SUMMARY
  It might be disabled. Don't die in this case.
  
  BUG: 414921
  FIXED-IN: 5.17.5

TEST PLAN
  5.12? 5.17? master?
  
  - just tested what happens if isn't supported, haven't tested yet disabling it in xrandr.conf

REPOSITORY
  R122 Powerdevil

REVISION DETAIL
  https://phabricator.kde.org/D26219

AFFECTED FILES
  daemon/actions/dpms/xcbdpmshelper.cpp

To: broulik, #plasma
Cc: plasma-devel, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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