| 1 | /* SPDX-License-Identifier: MIT */ |
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| 2 | /* |
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| 3 | * Copyright © 2022-2023 Intel Corporation |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __INTEL_VBLANK_H__ |
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| 7 | #define __INTEL_VBLANK_H__ |
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| 8 | |
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| 9 | #include <linux/ktime.h> |
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| 10 | #include <linux/types.h> |
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| 11 | |
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| 12 | struct drm_crtc; |
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| 13 | struct intel_crtc; |
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| 14 | struct intel_crtc_state; |
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| 15 | |
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| 16 | struct intel_vblank_evade_ctx { |
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| 17 | struct intel_crtc *crtc; |
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| 18 | int min, max, vblank_start; |
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| 19 | bool need_vlv_dsi_wa; |
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| 20 | }; |
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| 21 | |
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| 22 | void intel_vblank_evade_init(const struct intel_crtc_state *old_crtc_state, |
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| 23 | const struct intel_crtc_state *new_crtc_state, |
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| 24 | struct intel_vblank_evade_ctx *evade); |
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| 25 | /* must be called with vblank interrupt already enabled! */ |
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| 26 | int intel_vblank_evade(struct intel_vblank_evade_ctx *evade); |
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| 27 | |
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| 28 | u32 i915_get_vblank_counter(struct drm_crtc *crtc); |
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| 29 | u32 g4x_get_vblank_counter(struct drm_crtc *crtc); |
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| 30 | bool intel_crtc_get_vblank_timestamp(struct drm_crtc *crtc, int *max_error, |
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| 31 | ktime_t *vblank_time, bool in_vblank_irq); |
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| 32 | int intel_get_crtc_scanline(struct intel_crtc *crtc); |
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| 33 | void intel_wait_for_pipe_scanline_stopped(struct intel_crtc *crtc); |
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| 34 | void intel_wait_for_pipe_scanline_moving(struct intel_crtc *crtc); |
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| 35 | void intel_crtc_update_active_timings(const struct intel_crtc_state *crtc_state, |
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| 36 | bool vrr_enable); |
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| 37 | int intel_crtc_scanline_to_hw(struct intel_crtc *crtc, int scanline); |
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| 38 | |
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| 39 | #endif /* __INTEL_VBLANK_H__ */ |
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| 40 | |
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