1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright �� 2023 Intel Corporation
4 */
5
6#ifndef __INTEL_WM_H__
7#define __INTEL_WM_H__
8
9#include <linux/types.h>
10
11struct drm_i915_private;
12struct intel_atomic_state;
13struct intel_crtc;
14struct intel_crtc_state;
15struct intel_plane_state;
16
17void intel_update_watermarks(struct drm_i915_private *i915);
18int intel_compute_pipe_wm(struct intel_atomic_state *state,
19			  struct intel_crtc *crtc);
20int intel_compute_intermediate_wm(struct intel_atomic_state *state,
21				  struct intel_crtc *crtc);
22bool intel_initial_watermarks(struct intel_atomic_state *state,
23			      struct intel_crtc *crtc);
24void intel_atomic_update_watermarks(struct intel_atomic_state *state,
25				    struct intel_crtc *crtc);
26void intel_optimize_watermarks(struct intel_atomic_state *state,
27			       struct intel_crtc *crtc);
28int intel_compute_global_watermarks(struct intel_atomic_state *state);
29void intel_wm_get_hw_state(struct drm_i915_private *i915);
30bool intel_wm_plane_visible(const struct intel_crtc_state *crtc_state,
31			    const struct intel_plane_state *plane_state);
32void intel_print_wm_latency(struct drm_i915_private *i915,
33			    const char *name, const u16 wm[]);
34void intel_wm_init(struct drm_i915_private *i915);
35void intel_wm_debugfs_register(struct drm_i915_private *i915);
36
37#endif /* __INTEL_WM_H__ */
38