1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index f51645a08dca..6aff9d096e13 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2175,8 +2175,7 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
                 intel_prepare_dp_ddi_buffers(encoder, crtc_state);
 
         intel_ddi_init_dp_buf_reg(encoder);
-        if (!is_mst)
-                intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+        intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
         intel_dp_start_link_train(intel_dp);
         if (port != PORT_A || INTEL_GEN(dev_priv) >= 9)
                 intel_dp_stop_link_train(intel_dp);
@@ -2274,14 +2273,12 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
         struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
         struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
         struct intel_dp *intel_dp = &dig_port->dp;
-        bool is_mst = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST);
 
         /*
          * Power down sink before disabling the port, otherwise we end
          * up getting interrupts from the sink on detecting link loss.
          */
-        if (!is_mst)
-                intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
+        intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
 
         intel_disable_ddi_buf(encoder);