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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2019 Intel Corporation
4 */
5
6#ifndef __INTEL_CDCLK_H__
7#define __INTEL_CDCLK_H__
8
9#include <linux/types.h>
10
11#include "intel_display.h"
12
13struct drm_i915_private;
14struct intel_atomic_state;
15struct intel_cdclk_state;
16struct intel_crtc_state;
17
18struct intel_cdclk_vals {
19 u16 refclk;
20 u32 cdclk;
21 u8 divider; /* CD2X divider * 2 */
22 u8 ratio;
23};
24
25int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state);
26void intel_cdclk_init(struct drm_i915_private *i915);
27void intel_cdclk_uninit(struct drm_i915_private *i915);
28void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv);
29void intel_update_max_cdclk(struct drm_i915_private *dev_priv);
30void intel_update_cdclk(struct drm_i915_private *dev_priv);
31void intel_update_rawclk(struct drm_i915_private *dev_priv);
32bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a,
33 const struct intel_cdclk_state *b);
34void intel_cdclk_swap_state(struct intel_atomic_state *state);
35void
36intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv,
37 const struct intel_cdclk_state *old_state,
38 const struct intel_cdclk_state *new_state,
39 enum pipe pipe);
40void
41intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv,
42 const struct intel_cdclk_state *old_state,
43 const struct intel_cdclk_state *new_state,
44 enum pipe pipe);
45void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state,
46 const char *context);
47int intel_modeset_calc_cdclk(struct intel_atomic_state *state);
48
49#endif /* __INTEL_CDCLK_H__ */