drivers/gpu/drm/i915/display/intel_vblank.h

   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
  12 struct drm_crtc;
  13 struct intel_crtc;
  14 struct intel_crtc_state;
  15
  16 u32 i915_get_vblank_counter(struct drm_crtc *crtc);
  17 u32 g4x_get_vblank_counter(struct drm_crtc *crtc);
  18 bool intel_crtc_get_vblank_timestamp(struct drm_crtc *crtc, int *max_error,
  19                                      ktime_t *vblank_time, bool in_vblank_irq);
  20 int intel_get_crtc_scanline(struct intel_crtc *crtc);
  21 void intel_wait_for_pipe_scanline_stopped(struct intel_crtc *crtc);
  22 void intel_wait_for_pipe_scanline_moving(struct intel_crtc *crtc);
  23 void intel_crtc_update_active_timings(const struct intel_crtc_state *crtc_state,
  24                                       bool vrr_enable);
  25 int intel_crtc_scanline_to_hw(struct intel_crtc *crtc, int scanline);
  26
  27 #endif /* __INTEL_VBLANK_H__ */