1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2019 Intel Corporation
4 */
5
6#ifndef __INTEL_PSR_H__
7#define __INTEL_PSR_H__
8
9#include <linux/types.h>
10
11enum fb_op_origin;
12struct drm_connector;
13struct drm_connector_state;
14struct intel_atomic_state;
15struct intel_connector;
16struct intel_crtc;
17struct intel_crtc_state;
18struct intel_display;
19struct intel_dp;
20struct intel_dsb;
21struct intel_encoder;
22struct intel_plane;
23struct intel_plane_state;
24
25#define CAN_PANEL_REPLAY(intel_dp) ((intel_dp)->psr.sink_panel_replay_support && \
26 (intel_dp)->psr.source_panel_replay_support)
27
28bool intel_encoder_can_psr(struct intel_encoder *encoder);
29bool intel_psr_needs_aux_io_power(struct intel_encoder *encoder,
30 const struct intel_crtc_state *crtc_state);
31void intel_psr_init_dpcd(struct intel_dp *intel_dp);
32void intel_psr_panel_replay_enable_sink(struct intel_dp *intel_dp);
33void intel_psr_pre_plane_update(struct intel_atomic_state *state,
34 struct intel_crtc *crtc);
35void intel_psr_post_plane_update(struct intel_atomic_state *state,
36 struct intel_crtc *crtc);
37void intel_psr_disable(struct intel_dp *intel_dp,
38 const struct intel_crtc_state *old_crtc_state);
39int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
40void intel_psr_invalidate(struct intel_display *display,
41 unsigned frontbuffer_bits,
42 enum fb_op_origin origin);
43void intel_psr_flush(struct intel_display *display,
44 unsigned frontbuffer_bits,
45 enum fb_op_origin origin);
46void intel_psr_init(struct intel_dp *intel_dp);
47void intel_psr_compute_config(struct intel_dp *intel_dp,
48 struct intel_crtc_state *crtc_state,
49 struct drm_connector_state *conn_state);
50void intel_psr_get_config(struct intel_encoder *encoder,
51 struct intel_crtc_state *pipe_config);
52void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir);
53void intel_psr_short_pulse(struct intel_dp *intel_dp);
54void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state);
55void intel_psr_wait_for_idle_dsb(struct intel_dsb *dsb,
56 const struct intel_crtc_state *new_crtc_state);
57bool intel_psr_enabled(struct intel_dp *intel_dp);
58int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
59 struct intel_crtc *crtc);
60void intel_psr2_program_trans_man_trk_ctl(struct intel_dsb *dsb,
61 const struct intel_crtc_state *crtc_state);
62void intel_psr2_panic_force_full_update(struct intel_display *display,
63 struct intel_crtc_state *crtc_state);
64void intel_psr_pause(struct intel_dp *intel_dp);
65void intel_psr_resume(struct intel_dp *intel_dp);
66bool intel_psr_needs_vblank_notification(const struct intel_crtc_state *crtc_state);
67void intel_psr_notify_pipe_change(struct intel_atomic_state *state,
68 struct intel_crtc *crtc, bool enable);
69void intel_psr_notify_dc5_dc6(struct intel_display *display);
70void intel_psr_dc5_dc6_wa_init(struct intel_display *display);
71void intel_psr_notify_vblank_enable_disable(struct intel_display *display,
72 bool enable);
73bool intel_psr_link_ok(struct intel_dp *intel_dp);
74
75void intel_psr_lock(const struct intel_crtc_state *crtc_state);
76void intel_psr_unlock(const struct intel_crtc_state *crtc_state);
77void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb,
78 struct intel_atomic_state *state,
79 struct intel_crtc *crtc);
80int intel_psr_min_set_context_latency(const struct intel_crtc_state *crtc_state);
81void intel_psr_connector_debugfs_add(struct intel_connector *connector);
82void intel_psr_debugfs_register(struct intel_display *display);
83bool intel_psr_needs_alpm(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state);
84bool intel_psr_needs_alpm_aux_less(struct intel_dp *intel_dp,
85 const struct intel_crtc_state *crtc_state);
86void intel_psr_compute_config_late(struct intel_dp *intel_dp,
87 struct intel_crtc_state *crtc_state);
88int intel_psr_min_guardband(struct intel_crtc_state *crtc_state);
89
90#endif /* __INTEL_PSR_H__ */
91

source code of linux/drivers/gpu/drm/i915/display/intel_psr.h