xref: /linux/drivers/gpu/drm/i915/display/intel_wm.h (revision 0ce92d548b44649a8de706f9bb9e74a4ed2f18a7)
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 
11 struct intel_atomic_state;
12 struct intel_crtc;
13 struct intel_crtc_state;
14 struct intel_display;
15 struct intel_plane_state;
16 
17 void intel_update_watermarks(struct intel_display *display);
18 int intel_wm_compute(struct intel_atomic_state *state,
19 		     struct intel_crtc *crtc);
20 bool intel_initial_watermarks(struct intel_atomic_state *state,
21 			      struct intel_crtc *crtc);
22 void intel_atomic_update_watermarks(struct intel_atomic_state *state,
23 				    struct intel_crtc *crtc);
24 void intel_optimize_watermarks(struct intel_atomic_state *state,
25 			       struct intel_crtc *crtc);
26 int intel_compute_global_watermarks(struct intel_atomic_state *state);
27 void intel_wm_get_hw_state(struct intel_display *display);
28 void intel_wm_sanitize(struct intel_display *display);
29 bool intel_wm_plane_visible(const struct intel_crtc_state *crtc_state,
30 			    const struct intel_plane_state *plane_state);
31 void intel_print_wm_latency(struct intel_display *display,
32 			    const char *name, const u16 wm[]);
33 void intel_wm_init(struct intel_display *display);
34 void intel_wm_debugfs_register(struct intel_display *display);
35 
36 #endif /* __INTEL_WM_H__ */
37