-
- /* Changes to enable or select take place the vblank
- * after being written.
- */
- if (WARN_ON(crtc == NULL)) {
- /* We should never try to disable a port without a crtc
- * attached. For paranoia keep the code around for a
- * bit. */
- POSTING_READ(intel_dp->output_reg);
- msleep(50);
- } else
- intel_wait_for_vblank(dev, intel_crtc->pipe);