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 11 enum fb_op_origin; 12 struct drm_connector; 13 struct drm_connector_state; 14 struct intel_atomic_state; 15 struct intel_connector; 16 struct intel_crtc; 17 struct intel_crtc_state; 18 struct intel_display; 19 struct intel_dp; 20 struct intel_dsb; 21 struct intel_encoder; 22 struct intel_plane; 23 struct 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 28 bool intel_encoder_can_psr(struct intel_encoder *encoder); 29 bool intel_psr_needs_aux_io_power(struct intel_encoder *encoder, 30 const struct intel_crtc_state *crtc_state); 31 void intel_psr_init_dpcd(struct intel_dp *intel_dp); 32 void intel_psr_panel_replay_enable_sink(struct intel_dp *intel_dp); 33 void intel_psr_pre_plane_update(struct intel_atomic_state *state, 34 struct intel_crtc *crtc); 35 void intel_psr_post_plane_update(struct intel_atomic_state *state, 36 struct intel_crtc *crtc); 37 void intel_psr_disable(struct intel_dp *intel_dp, 38 const struct intel_crtc_state *old_crtc_state); 39 int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value); 40 void intel_psr_invalidate(struct intel_display *display, 41 unsigned frontbuffer_bits, 42 enum fb_op_origin origin); 43 void intel_psr_flush(struct intel_display *display, 44 unsigned frontbuffer_bits, 45 enum fb_op_origin origin); 46 void intel_psr_init(struct intel_dp *intel_dp); 47 void intel_psr_compute_config(struct intel_dp *intel_dp, 48 struct intel_crtc_state *crtc_state, 49 struct drm_connector_state *conn_state); 50 void intel_psr_get_config(struct intel_encoder *encoder, 51 struct intel_crtc_state *pipe_config); 52 void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir); 53 void intel_psr_short_pulse(struct intel_dp *intel_dp); 54 void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state); 55 bool intel_psr_enabled(struct intel_dp *intel_dp); 56 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, 57 struct intel_crtc *crtc); 58 void intel_psr2_program_trans_man_trk_ctl(struct intel_dsb *dsb, 59 const struct intel_crtc_state *crtc_state); 60 void intel_psr2_panic_force_full_update(struct intel_display *display, 61 struct intel_crtc_state *crtc_state); 62 void intel_psr_pause(struct intel_dp *intel_dp); 63 void intel_psr_resume(struct intel_dp *intel_dp); 64 bool intel_psr_needs_vblank_notification(const struct intel_crtc_state *crtc_state); 65 void intel_psr_notify_pipe_change(struct intel_atomic_state *state, 66 struct intel_crtc *crtc, bool enable); 67 void intel_psr_notify_dc5_dc6(struct intel_display *display); 68 void intel_psr_dc5_dc6_wa_init(struct intel_display *display); 69 void intel_psr_notify_vblank_enable_disable(struct intel_display *display, 70 bool enable); 71 bool intel_psr_link_ok(struct intel_dp *intel_dp); 72 73 void intel_psr_lock(const struct intel_crtc_state *crtc_state); 74 void intel_psr_unlock(const struct intel_crtc_state *crtc_state); 75 void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb, 76 struct intel_atomic_state *state, 77 struct intel_crtc *crtc); 78 int intel_psr_min_vblank_delay(const struct intel_crtc_state *crtc_state); 79 void intel_psr_connector_debugfs_add(struct intel_connector *connector); 80 void intel_psr_debugfs_register(struct intel_display *display); 81 bool intel_psr_needs_alpm(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); 82 bool intel_psr_needs_alpm_aux_less(struct intel_dp *intel_dp, 83 const struct intel_crtc_state *crtc_state); 84 85 #endif /* __INTEL_PSR_H__ */ 86