1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2022-2023 Intel Corporation
 4 */
 5
 6#ifndef __INTEL_VBLANK_H__
 7#define __INTEL_VBLANK_H__
 8
 9#include <linux/ktime.h>
10#include <linux/types.h>
11
12struct drm_crtc;
13struct intel_crtc;
14struct intel_crtc_state;
15
16u32 i915_get_vblank_counter(struct drm_crtc *crtc);
17u32 g4x_get_vblank_counter(struct drm_crtc *crtc);
18bool intel_crtc_get_vblank_timestamp(struct drm_crtc *crtc, int *max_error,
19				     ktime_t *vblank_time, bool in_vblank_irq);
20int intel_get_crtc_scanline(struct intel_crtc *crtc);
21void intel_wait_for_pipe_scanline_stopped(struct intel_crtc *crtc);
22void intel_wait_for_pipe_scanline_moving(struct intel_crtc *crtc);
23void intel_crtc_update_active_timings(const struct intel_crtc_state *crtc_state,
24				      bool vrr_enable);
25int intel_crtc_scanline_to_hw(struct intel_crtc *crtc, int scanline);
26
27#endif /* __INTEL_VBLANK_H__ */