D24051: [platforms/drm] introduce env var to select GPU

zzag added a comment.


  In D24051#533908 <https://phabricator.kde.org/D24051#533908>, @romangg wrote:
  
  > I'm ok with having this as a short-term fix but long-term this env var should go away again and be replaced with a better selection mechanism. So no guarantee that it will be available after 5.18 LTS.
  
  
  +1

REPOSITORY
  R108 KWin

BRANCH
  bshah/env-for-drmdev

REVISION DETAIL
  https://phabricator.kde.org/D24051

To: bshah, #kwin, romangg
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