diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 5fa25a5a36b5..5307ddd4edcf 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -1197,6 +1197,7 @@ static bool intel_dp_mst_initial_fastset_check(struct intel_encoder *encoder, static int intel_dp_mst_get_ddc_modes(struct drm_connector *connector) { struct intel_connector *intel_connector = to_intel_connector(connector); + struct drm_i915_private *i915 = to_i915(intel_connector->base.dev); struct intel_dp *intel_dp = intel_connector->mst_port; const struct drm_edid *drm_edid; int ret; @@ -1204,6 +1205,9 @@ static int intel_dp_mst_get_ddc_modes(struct drm_connector *connector) if (drm_connector_is_unregistered(connector)) return intel_connector_update_modes(connector, NULL); + if (!intel_display_driver_check_access(i915)) + return drm_edid_connector_add_modes(connector); + drm_edid = drm_dp_mst_edid_read(connector, &intel_dp->mst_mgr, intel_connector->port); ret = intel_connector_update_modes(connector, drm_edid); |