Allow forcing legacy DRM interface

This commit is contained in:
Scott Anderson 2017-09-23 13:20:17 +12:00
parent 1682c0d983
commit 4a53aab466
1 changed files with 4 additions and 1 deletions

View File

@ -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 {