@@ -13924,7 +13924,15 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
if (state->modeset)
wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET);
- for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+ /*
+ * Disable CRTC/pipes in reverse order because some features(MST in
+ * TGL+) requires master and slave relationship between pipes, so it
+ * should always pick the lowest pipe as master as it will be enabled
+ * first and disable in the reverse order so the master will be the
+ * last one to be disabled.
+ */
+ for_each_oldnew_intel_crtc_in_state_reverse(state, crtc, old_crtc_state,
+ new_crtc_state, i) {
if (needs_modeset(new_crtc_state) ||
new_crtc_state->update_pipe) {