D25867: [platforms/drm] Do plane and object chore

romangg added inline comments.

INLINE COMMENTS

> drm_object_plane.h:55
>      enum class TypeIndex {
> -        Primary = 0,
> +        Overlay = 0,
> +        Primary,

Note: this got switched so it matches how the kernel defines the enum. That's just cosmetics. It does not make a difference logic-wise since we map the enum at runtime anyway.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D25867

To: romangg, #kwin
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