diff options
| -rw-r--r-- | backend/drm/drm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c index a4f987ee..5c0bad46 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -31,7 +31,10 @@ bool wlr_drm_check_features(struct wlr_drm_backend *backend) { return false; } - if (drmSetClientCap(backend->fd, DRM_CLIENT_CAP_ATOMIC, 1)) { + if (getenv("WLR_DRM_NO_ATOMIC")) { + wlr_log(L_DEBUG, "WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface"); + backend->iface = &legacy_iface; + } else if (drmSetClientCap(backend->fd, DRM_CLIENT_CAP_ATOMIC, 1)) { wlr_log(L_DEBUG, "Atomic modesetting unsupported, using legacy DRM interface"); backend->iface = &legacy_iface; } else { |