1 /* $NetBSD: intel_cdclk.h,v 1.2 2021/12/18 23:45:29 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 /* 5 * Copyright © 2019 Intel Corporation 6 */ 7 8 #ifndef __INTEL_CDCLK_H__ 9 #define __INTEL_CDCLK_H__ 10 11 #include <linux/types.h> 12 13 #include "intel_display.h" 14 15 struct drm_i915_private; 16 struct intel_atomic_state; 17 struct intel_cdclk_state; 18 struct intel_crtc_state; 19 20 struct intel_cdclk_vals { 21 u16 refclk; 22 u32 cdclk; 23 u8 divider; /* CD2X divider * 2 */ 24 u8 ratio; 25 }; 26 27 int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state); 28 void intel_cdclk_init(struct drm_i915_private *i915); 29 void intel_cdclk_uninit(struct drm_i915_private *i915); 30 void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv); 31 void intel_update_max_cdclk(struct drm_i915_private *dev_priv); 32 void intel_update_cdclk(struct drm_i915_private *dev_priv); 33 void intel_update_rawclk(struct drm_i915_private *dev_priv); 34 bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a, 35 const struct intel_cdclk_state *b); 36 void intel_cdclk_swap_state(struct intel_atomic_state *state); 37 void 38 intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv, 39 const struct intel_cdclk_state *old_state, 40 const struct intel_cdclk_state *new_state, 41 enum pipe pipe); 42 void 43 intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv, 44 const struct intel_cdclk_state *old_state, 45 const struct intel_cdclk_state *new_state, 46 enum pipe pipe); 47 void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state, 48 const char *context); 49 int intel_modeset_calc_cdclk(struct intel_atomic_state *state); 50 51 #endif /* __INTEL_CDCLK_H__ */ 52