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 | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index fd0a31bc3dcd..0de0b4ff4d73 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -977,24 +977,31 @@ intel_dp_mst_encoder_init(struct intel_digital_port *dig_port, int conn_base_id) dig_port->max_lanes, max_source_rate, conn_base_id); - if (ret) + if (ret) { + intel_dp->mst_mgr.cbs = NULL; return ret; - - intel_dp->can_mst = true; + } return 0; } +bool intel_dp_mst_source_support(struct intel_dp *intel_dp) +{ + return intel_dp->mst_mgr.cbs; +} + void intel_dp_mst_encoder_cleanup(struct intel_digital_port *dig_port) { struct intel_dp *intel_dp = &dig_port->dp; - if (!intel_dp->can_mst) + if (!intel_dp_mst_source_support(intel_dp)) return; drm_dp_mst_topology_mgr_destroy(&intel_dp->mst_mgr); /* encoders will get killed by normal cleanup */ + + intel_dp->mst_mgr.cbs = NULL; } bool intel_dp_mst_is_master_trans(const struct intel_crtc_state *crtc_state) |