1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 4f6b53998d79..ca52ad2ae7d1 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -352,6 +352,7 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
         case INTEL_OUTPUT_UNKNOWN:
         case INTEL_OUTPUT_DISPLAYPORT:
         case INTEL_OUTPUT_HDMI:
+        case INTEL_OUTPUT_DP_MST:
                 type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL;
                 break;
         case INTEL_OUTPUT_EDP:
@@ -427,7 +428,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
          */
         DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
         list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head)
-                intel_panel_set_backlight(intel_connector, bclp, 255);
+                intel_panel_set_backlight_acpi(intel_connector, bclp, 255);
         iowrite32(DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID, &asle->cblv);
 
         drm_modeset_unlock(&dev->mode_config.connection_mutex);