1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index c3d06532e9c5..7ea373ffe7a1 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -954,6 +954,23 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc)
         if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
                 temp |= TRANS_DDI_PHSYNC;
 
+        if (cpu_transcoder == TRANSCODER_EDP) {
+                switch (pipe) {
+                case PIPE_A:
+                        temp |= TRANS_DDI_EDP_INPUT_A_ONOFF;
+                        break;
+                case PIPE_B:
+                        temp |= TRANS_DDI_EDP_INPUT_B_ONOFF;
+                        break;
+                case PIPE_C:
+                        temp |= TRANS_DDI_EDP_INPUT_C_ONOFF;
+                        break;
+                default:
+                        BUG();
+                        break;
+                }
+        }
+
         if (type == INTEL_OUTPUT_HDMI) {
                 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);