backend/drm: make drmModePlane arg in add_plane const
Make it clearer it'll be free'd after add_plane returns.
@@ -89,7 +89,7 @@ bool check_drm_features(struct wlr_drm_backend *drm) {
}
static bool add_plane(struct wlr_drm_backend *drm,
- struct wlr_drm_crtc *crtc, drmModePlane *drm_plane,
+ struct wlr_drm_crtc *crtc, const drmModePlane *drm_plane,
uint32_t type, union wlr_drm_plane_props *props) {
assert(!(type == DRM_PLANE_TYPE_PRIMARY && crtc->primary));
assert(!(type == DRM_PLANE_TYPE_CURSOR && crtc->cursor));
