diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.h b/drivers/gpu/drm/i915/display/intel_dp_mst.h new file mode 100644 index 000000000000..ab09b487c6bb --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_DP_MST_H__ +#define __INTEL_DP_MST_H__ + +#include <linux/types.h> + +struct drm_connector_state; +struct intel_atomic_state; +struct intel_crtc; +struct intel_crtc_state; +struct intel_digital_port; +struct intel_dp; +struct intel_link_bw_limits; + +int intel_dp_mst_encoder_init(struct intel_digital_port *dig_port, int conn_id); +void intel_dp_mst_encoder_cleanup(struct intel_digital_port *dig_port); +int intel_dp_mst_active_streams(struct intel_dp *intel_dp); +bool intel_dp_mst_is_master_trans(const struct intel_crtc_state *crtc_state); +bool intel_dp_mst_is_slave_trans(const struct intel_crtc_state *crtc_state); +bool intel_dp_mst_source_support(struct intel_dp *intel_dp); +int intel_dp_mst_add_topology_state_for_crtc(struct intel_atomic_state *state, + struct intel_crtc *crtc); +int intel_dp_mst_atomic_check_link(struct intel_atomic_state *state, + struct intel_link_bw_limits *limits); +bool intel_dp_mst_crtc_needs_modeset(struct intel_atomic_state *state, + struct intel_crtc *crtc); +void intel_dp_mst_prepare_probe(struct intel_dp *intel_dp); +bool intel_dp_mst_verify_dpcd_state(struct intel_dp *intel_dp); + +int intel_dp_mtp_tu_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + int min_bpp_x16, int max_bpp_x16, int bpp_step_x16, bool dsc); + +#endif /* __INTEL_DP_MST_H__ */ |