diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 8 |
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index f53de9664903..f92c5ed3f5d2 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3472,7 +3472,9 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state, INTEL_OUTPUT_DP_MST); enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - intel_dp_set_infoframes(encoder, false, old_crtc_state, old_conn_state); + if (!is_mst) + intel_dp_set_infoframes(encoder, false, + old_crtc_state, old_conn_state); /* * Power down sink before disabling the port, otherwise we end diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index d18b406f2a7d..f29e51ce489c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -397,6 +397,14 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state, */ drm_dp_send_power_updown_phy(&intel_dp->mst_mgr, connector->port, false); + + /* + * BSpec 4287: disable DIP after the transcoder is disabled and before + * the transcoder clock select is set to none. + */ + if (last_mst_stream) + intel_dp_set_infoframes(&intel_dig_port->base, false, + old_crtc_state, NULL); /* * From TGL spec: "If multi-stream slave transcoder: Configure * Transcoder Clock Select to direct no clock to the transcoder" |