drivers/gpu/drm/i915/intel_pm.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_PM_H__
   7 #define __INTEL_PM_H__
   8
   9 #include <linux/types.h>
  10
  11 #include "i915_reg.h"
  12
  13 struct drm_device;
  14 struct drm_i915_private;
  15 struct i915_request;
  16 struct intel_atomic_state;
  17 struct intel_crtc;
  18 struct intel_crtc_state;
  19 struct intel_plane;
  20 struct skl_ddb_allocation;
  21 struct skl_ddb_entry;
  22 struct skl_pipe_wm;
  23 struct skl_wm_level;
  24
  25 void intel_init_clock_gating(struct drm_i915_private *dev_priv);
  26 void intel_suspend_hw(struct drm_i915_private *dev_priv);
  27 int ilk_wm_max_level(const struct drm_i915_private *dev_priv);
  28 void intel_update_watermarks(struct intel_crtc *crtc);
  29 void intel_init_pm(struct drm_i915_private *dev_priv);
  30 void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv);
  31 void intel_pm_setup(struct drm_i915_private *dev_priv);
  32 void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv);
  33 void vlv_wm_get_hw_state(struct drm_i915_private *dev_priv);
  34 void ilk_wm_get_hw_state(struct drm_i915_private *dev_priv);
  35 void skl_wm_get_hw_state(struct drm_i915_private *dev_priv);
  36 void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc,
  37                                struct skl_ddb_entry *ddb_y,
  38                                struct skl_ddb_entry *ddb_uv);
  39 void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
  40                           struct skl_ddb_allocation *ddb /* out */);
  41 void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
  42                               struct skl_pipe_wm *out);
  43 void g4x_wm_sanitize(struct drm_i915_private *dev_priv);
  44 void vlv_wm_sanitize(struct drm_i915_private *dev_priv);
  45 bool intel_can_enable_sagv(struct intel_atomic_state *state);
  46 int intel_enable_sagv(struct drm_i915_private *dev_priv);
  47 int intel_disable_sagv(struct drm_i915_private *dev_priv);
  48 bool skl_wm_level_equals(const struct skl_wm_level *l1,
  49                          const struct skl_wm_level *l2);
  50 bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
  51                                  const struct skl_ddb_entry *entries,
  52                                  int num_entries, int ignore_idx);
  53 void skl_write_plane_wm(struct intel_plane *plane,
  54                         const struct intel_crtc_state *crtc_state);
  55 void skl_write_cursor_wm(struct intel_plane *plane,
  56                          const struct intel_crtc_state *crtc_state);
  57 bool ilk_disable_lp_wm(struct drm_i915_private *dev_priv);
  58 void intel_init_ipc(struct drm_i915_private *dev_priv);
  59 void intel_enable_ipc(struct drm_i915_private *dev_priv);
  60
  61 bool intel_set_memory_cxsr(struct drm_i915_private *dev_priv, bool enable);
  62
  63 #endif /* __INTEL_PM_H__ */