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backend/drm: ignore hotplug events while inactive
When the session is inactive, we can't change the KMS state. Ignore hotplug events so that compositors don't try to perform a modeset when a connector is plugged in. We already re-scan connectors when the session becomes active. To test, run a wlroots compositor on VT 1, switch to VT 2, unplug a connector, re-plug it, switch back to VT 1. Without this patch the screen is black on VT 1. References: https://github.com/swaywm/wlroots/issues/2370
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1 changed files with 4 additions and 1 deletions
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@ -109,8 +109,11 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
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static void handle_dev_change(struct wl_listener *listener, void *data) {
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static void handle_dev_change(struct wl_listener *listener, void *data) {
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struct wlr_drm_backend *drm = wl_container_of(listener, drm, dev_change);
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struct wlr_drm_backend *drm = wl_container_of(listener, drm, dev_change);
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wlr_log(WLR_DEBUG, "%s invalidated", drm->name);
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if (!drm->session->active) {
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return;
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}
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wlr_log(WLR_DEBUG, "%s invalidated", drm->name);
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scan_drm_connectors(drm);
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scan_drm_connectors(drm);
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}
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}
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