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 drm_i915_private; 12 struct intel_atomic_state; 13 struct intel_crtc; 14 struct intel_crtc_state; 15 struct intel_plane_state; 16 17 void intel_update_watermarks(struct drm_i915_private *i915); 18 int intel_compute_pipe_wm(struct intel_atomic_state *state, 19 struct intel_crtc *crtc); 20 int intel_compute_intermediate_wm(struct intel_atomic_state *state, 21 struct intel_crtc *crtc); 22 bool intel_initial_watermarks(struct intel_atomic_state *state, 23 struct intel_crtc *crtc); 24 void intel_atomic_update_watermarks(struct intel_atomic_state *state, 25 struct intel_crtc *crtc); 26 void intel_optimize_watermarks(struct intel_atomic_state *state, 27 struct intel_crtc *crtc); 28 int intel_compute_global_watermarks(struct intel_atomic_state *state); 29 void intel_wm_get_hw_state(struct drm_i915_private *i915); 30 bool intel_wm_plane_visible(const struct intel_crtc_state *crtc_state, 31 const struct intel_plane_state *plane_state); 32 void intel_print_wm_latency(struct drm_i915_private *i915, 33 const char *name, const u16 wm[]); 34 void intel_wm_init(struct drm_i915_private *i915); 35 void intel_wm_debugfs_register(struct drm_i915_private *i915); 36 37 #endif /* __INTEL_WM_H__ */ 38