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Merge pull request #1280 from emersion/drm-link-status

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backend/drm: add support for the link-status property
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Scott Anderson 2018-10-08 21:01:30 +02:00 • committed by GitHub
commit 885586a831
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4 changed files with 34 additions and 7 deletions
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18
backend/drm/drm.c
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@ -1083,6 +1083,24 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
wlr_conn->crtc = NULL;
}
// This can only happen *after* hotplug, since we haven't read the
// connector properties yet
if (wlr_conn->props.link_status != 0) {
uint64_t link_status;
if (!get_drm_prop(drm->fd, wlr_conn->id,
wlr_conn->props.link_status, &link_status)) {
wlr_log(WLR_ERROR, "Failed to get link status for '%s'",
wlr_conn->output.name);
continue;
}
if (link_status == DRM_MODE_LINK_STATUS_BAD) {
// We need to reload our list of modes and force a modeset
wlr_log(WLR_INFO, "Bad link for '%s'", wlr_conn->output.name);
drm_connector_cleanup(wlr_conn);
}
}
if (wlr_conn->state == WLR_DRM_CONN_DISCONNECTED &&
drm_conn->connection == DRM_MODE_CONNECTED) {
wlr_log(WLR_INFO, "'%s' connected", wlr_conn->output.name);