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backend/drm: leave CRTCs on when shutting down
This avoids a black screen during multiple seconds on shutdown. To fully allow for flicker-free transitions between DRM masters, we will also need [1]. [1]: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4394 Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3497
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@ -35,6 +35,7 @@ static void backend_destroy(struct wlr_backend *backend) {
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struct wlr_drm_connector *conn, *next;
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wl_list_for_each_safe(conn, next, &drm->connectors, link) {
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conn->crtc = NULL; // leave CRTCs on when shutting down
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destroy_drm_connector(conn);
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}
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