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67782bf6e8
Move towards always using the fxp q4 or .4 fixed point format for compressed bpp. We'll need to pass the more accurate bpp to this function later on. Always use _x16 naming for variables that are in .4 fixed point for clarity. Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/887306a47ce4550226f5d54178f667a52840a11c.1738327620.git.jani.nikula@intel.com
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_DP_MST_H__
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#define __INTEL_DP_MST_H__
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#include <linux/types.h>
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struct drm_connector_state;
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struct intel_atomic_state;
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struct intel_crtc;
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struct intel_crtc_state;
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struct intel_digital_port;
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struct intel_dp;
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struct intel_link_bw_limits;
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int intel_dp_mst_encoder_init(struct intel_digital_port *dig_port, int conn_id);
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void intel_dp_mst_encoder_cleanup(struct intel_digital_port *dig_port);
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int intel_dp_mst_encoder_active_links(struct intel_digital_port *dig_port);
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bool intel_dp_mst_is_master_trans(const struct intel_crtc_state *crtc_state);
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bool intel_dp_mst_is_slave_trans(const struct intel_crtc_state *crtc_state);
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bool intel_dp_mst_source_support(struct intel_dp *intel_dp);
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int intel_dp_mst_add_topology_state_for_crtc(struct intel_atomic_state *state,
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struct intel_crtc *crtc);
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int intel_dp_mst_atomic_check_link(struct intel_atomic_state *state,
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struct intel_link_bw_limits *limits);
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bool intel_dp_mst_crtc_needs_modeset(struct intel_atomic_state *state,
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struct intel_crtc *crtc);
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void intel_dp_mst_prepare_probe(struct intel_dp *intel_dp);
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bool intel_dp_mst_verify_dpcd_state(struct intel_dp *intel_dp);
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int intel_dp_mtp_tu_compute_config(struct intel_dp *intel_dp,
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struct intel_crtc_state *crtc_state,
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struct drm_connector_state *conn_state,
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int min_bpp_x16, int max_bpp_x16, int bpp_step_x16, bool dsc);
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#endif /* __INTEL_DP_MST_H__ */
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