Open Menu / drivers / gpu / drm / i915 / display / intel_vrr.h 
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/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2019 Intel Corporation
 */

#ifndef __INTEL_VRR_H__
#define __INTEL_VRR_H__

#include <linux/types.h>

struct drm_connector_state;
struct intel_atomic_state;
struct intel_connector;
struct intel_crtc;
struct intel_crtc_state;
struct intel_dsb;
struct intel_display;
enum transcoder;

bool intel_vrr_is_capable(struct intel_connector *connector);
bool intel_vrr_is_in_range(struct intel_connector *connector, int vrefresh);
bool intel_vrr_possible(const struct intel_crtc_state *crtc_state);
void intel_vrr_check_modeset(struct intel_atomic_state *state);
void intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
			      struct drm_connector_state *conn_state);
void intel_vrr_compute_guardband(struct intel_crtc_state *crtc_state);
void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state);
void intel_vrr_enable(const struct intel_crtc_state *crtc_state);
void intel_vrr_send_push(struct intel_dsb *dsb,
			 const struct intel_crtc_state *crtc_state);
void intel_vrr_check_push_sent(struct intel_dsb *dsb,
			       const struct intel_crtc_state *crtc_state);
void intel_vrr_dcb_increment_flip_count(struct intel_crtc_state *crtc_state,
					struct intel_crtc *crtc);
bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state);
void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state);
void intel_vrr_psr_frame_change_enable(const struct intel_crtc_state *crtc_state);
void intel_vrr_get_config(struct intel_crtc_state *crtc_state);
int intel_vrr_vmax_vtotal(const struct intel_crtc_state *crtc_state);
int intel_vrr_vmin_vtotal(const struct intel_crtc_state *crtc_state);
int intel_vrr_vmax_vblank_start(const struct intel_crtc_state *crtc_state);
int intel_vrr_vmin_vblank_start(const struct intel_crtc_state *crtc_state);
bool intel_vrr_is_fixed_rr(const struct intel_crtc_state *crtc_state);
void intel_vrr_transcoder_enable(const struct intel_crtc_state *crtc_state);
void intel_vrr_transcoder_disable(const struct intel_crtc_state *crtc_state);
void intel_vrr_set_fixed_rr_timings(const struct intel_crtc_state *crtc_state,
				    enum transcoder transcoder);
void intel_vrr_dcb_reset(const struct intel_crtc_state *old_crtc_state,
			 struct intel_crtc *crtc);
bool intel_vrr_always_use_vrr_tg(struct intel_display *display);
int intel_vrr_safe_window_start(const struct intel_crtc_state *crtc_state);
int intel_vrr_vmin_safe_window_end(const struct intel_crtc_state *crtc_state);

int intel_vrr_dcb_vmin_vblank_start_next(const struct intel_crtc_state *crtc_state);
int intel_vrr_dcb_vmax_vblank_start_next(const struct intel_crtc_state *crtc_state);
int intel_vrr_dcb_vmin_vblank_start_final(const struct intel_crtc_state *crtc_state);
int intel_vrr_dcb_vmax_vblank_start_final(const struct intel_crtc_state *crtc_state);

void intel_vrr_crtc_debugfs_add(struct intel_crtc *crtc);

#endif /* __INTEL_VRR_H__ */