1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6 #ifndef __INTEL_VRR_H__ 7 #define __INTEL_VRR_H__ 8 9 #include <linux/types.h> 10 11 struct drm_connector_state; 12 struct intel_atomic_state; 13 struct intel_connector; 14 struct intel_crtc; 15 struct intel_crtc_state; 16 struct intel_dsb; 17 struct intel_display; 18 19 bool intel_vrr_is_capable(struct intel_connector *connector); 20 bool intel_vrr_is_in_range(struct intel_connector *connector, int vrefresh); 21 bool intel_vrr_possible(const struct intel_crtc_state *crtc_state); 22 void intel_vrr_check_modeset(struct intel_atomic_state *state); 23 void intel_vrr_compute_config(struct intel_crtc_state *crtc_state, 24 struct drm_connector_state *conn_state); 25 void intel_vrr_compute_guardband(struct intel_crtc_state *crtc_state); 26 void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state); 27 void intel_vrr_enable(const struct intel_crtc_state *crtc_state); 28 void intel_vrr_send_push(struct intel_dsb *dsb, 29 const struct intel_crtc_state *crtc_state); 30 void intel_vrr_check_push_sent(struct intel_dsb *dsb, 31 const struct intel_crtc_state *crtc_state); 32 void intel_vrr_dcb_increment_flip_count(struct intel_crtc_state *crtc_state, 33 struct intel_crtc *crtc); 34 bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state); 35 void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state); 36 void intel_vrr_get_config(struct intel_crtc_state *crtc_state); 37 int intel_vrr_vmax_vtotal(const struct intel_crtc_state *crtc_state); 38 int intel_vrr_vmin_vtotal(const struct intel_crtc_state *crtc_state); 39 int intel_vrr_vmax_vblank_start(const struct intel_crtc_state *crtc_state); 40 int intel_vrr_vmin_vblank_start(const struct intel_crtc_state *crtc_state); 41 bool intel_vrr_is_fixed_rr(const struct intel_crtc_state *crtc_state); 42 void intel_vrr_transcoder_enable(const struct intel_crtc_state *crtc_state); 43 void intel_vrr_transcoder_disable(const struct intel_crtc_state *crtc_state); 44 void intel_vrr_set_fixed_rr_timings(const struct intel_crtc_state *crtc_state); 45 void intel_vrr_dcb_reset(const struct intel_crtc_state *old_crtc_state, 46 struct intel_crtc *crtc); 47 bool intel_vrr_always_use_vrr_tg(struct intel_display *display); 48 int intel_vrr_safe_window_start(const struct intel_crtc_state *crtc_state); 49 int intel_vrr_vmin_safe_window_end(const struct intel_crtc_state *crtc_state); 50 51 int intel_vrr_dcb_vmin_vblank_start_next(const struct intel_crtc_state *crtc_state); 52 int intel_vrr_dcb_vmax_vblank_start_next(const struct intel_crtc_state *crtc_state); 53 int intel_vrr_dcb_vmin_vblank_start_final(const struct intel_crtc_state *crtc_state); 54 int intel_vrr_dcb_vmax_vblank_start_final(const struct intel_crtc_state *crtc_state); 55 56 #endif /* __INTEL_VRR_H__ */ 57