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drm: legacy: issue a NULL modeset on disable
The DRM subsystem needs a NULL modeset for connectors which disappear from the system to disable the hardware pipes, otherwise the pixels get rendered but are sent nowhere. The atomic backend does the equivalent by removing the properties and issuing a commit. Fixes #1706
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1 changed files with 6 additions and 0 deletions
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@ -29,6 +29,12 @@ static bool legacy_conn_enable(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *conn, bool enable) {
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struct wlr_drm_connector *conn, bool enable) {
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int ret = drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
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int ret = drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
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enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
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enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
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if (!enable) {
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drmModeSetCrtc(drm->fd, conn->crtc->id, 0, 0, 0, NULL, 0,
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NULL);
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}
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return ret >= 0;
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return ret >= 0;
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}
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}
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