Right now we have USE_GBM to enable both GBM and DRM, because we only need to use DRM for GBM in most of the cases. It would be possible to get the device and render node files without GBM and we plan to add more code that requires DRM but not GBM.
Pull request: https://github.com/WebKit/WebKit/pull/16831
Committed 267039@main (b8ffa14eaad8): <https://commits.webkit.org/267039@main> Reviewed commits have been landed. Closing PR #16831 and removing active labels.