drivers/gpu/drm/i915/display/intel_dp_mst.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_DP_MST_H__
   7 #define __INTEL_DP_MST_H__
   8
   9 #include <linux/types.h>
  10
  11 struct intel_atomic_state;
  12 struct intel_crtc;
  13 struct intel_crtc_state;
  14 struct intel_digital_port;
  15 struct intel_dp;
  16 struct intel_link_bw_limits;
  17
  18 int intel_dp_mst_encoder_init(struct intel_digital_port *dig_port, int conn_id);
  19 void intel_dp_mst_encoder_cleanup(struct intel_digital_port *dig_port);
  20 int intel_dp_mst_encoder_active_links(struct intel_digital_port *dig_port);
  21 bool intel_dp_mst_is_master_trans(const struct intel_crtc_state *crtc_state);
  22 bool intel_dp_mst_is_slave_trans(const struct intel_crtc_state *crtc_state);
  23 bool intel_dp_mst_source_support(struct intel_dp *intel_dp);
  24 int intel_dp_mst_add_topology_state_for_crtc(struct intel_atomic_state *state,
  25                                              struct intel_crtc *crtc);
  26 int intel_dp_mst_atomic_check_link(struct intel_atomic_state *state,
  27                                    struct intel_link_bw_limits *limits);
  28 bool intel_dp_mst_crtc_needs_modeset(struct intel_atomic_state *state,
  29                                      struct intel_crtc *crtc);
  30 void intel_dp_mst_prepare_probe(struct intel_dp *intel_dp);
  31 bool intel_dp_mst_verify_dpcd_state(struct intel_dp *intel_dp);
  32
  33 #endif /* __INTEL_DP_MST_H__ */