LXR linux/drivers/gpu/drm/i915/intel

   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
  13struct drm_device;
  14struct drm_i915_private;
  15struct i915_request;
  16struct intel_atomic_state;
  17struct intel_crtc;
  18struct intel_crtc_state;
  19struct intel_plane;
  20struct skl_ddb_allocation;
  21struct skl_ddb_entry;
  22struct skl_pipe_wm;
  23struct skl_wm_level;
  24
  25void intel_init_clock_gating(struct drm_i915_private *dev_priv);
  26void intel_suspend_hw(struct drm_i915_private *dev_priv);
  27int ilk_wm_max_level(const struct drm_i915_private *dev_priv);
  28void intel_update_watermarks(struct intel_crtc *crtc);
  29void intel_init_pm(struct drm_i915_private *dev_priv);
  30void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv);
  31void intel_pm_setup(struct drm_i915_private *dev_priv);
  32void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv);
  33void vlv_wm_get_hw_state(struct drm_i915_private *dev_priv);
  34void ilk_wm_get_hw_state(struct drm_i915_private *dev_priv);
  35void skl_wm_get_hw_state(struct drm_i915_private *dev_priv);
  36void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc,
  37                               struct skl_ddb_entry *ddb_y,
  38                               struct skl_ddb_entry *ddb_uv);
  39void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
  40                          struct skl_ddb_allocation *ddb /* out */);
  41void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
  42                              struct skl_pipe_wm *out);
  43void g4x_wm_sanitize(struct drm_i915_private *dev_priv);
  44void vlv_wm_sanitize(struct drm_i915_private *dev_priv);
  45bool intel_can_enable_sagv(struct intel_atomic_state *state);
  46int intel_enable_sagv(struct drm_i915_private *dev_priv);
  47int intel_disable_sagv(struct drm_i915_private *dev_priv);
  48bool skl_wm_level_equals(const struct skl_wm_level *l1,
  49                         const struct skl_wm_level *l2);
  50bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
  51                                 const struct skl_ddb_entry *entries,
  52                                 int num_entries, int ignore_idx);
  53void skl_write_plane_wm(struct intel_plane *plane,
  54                        const struct intel_crtc_state *crtc_state);
  55void skl_write_cursor_wm(struct intel_plane *plane,
  56                         const struct intel_crtc_state *crtc_state);
  57bool ilk_disable_lp_wm(struct drm_device *dev);
  58void intel_init_ipc(struct drm_i915_private *dev_priv);
  59void intel_enable_ipc(struct drm_i915_private *dev_priv);
  60
  61bool intel_set_memory_cxsr(struct drm_i915_private *dev_priv, bool enable);
  62
  63#endif /* __INTEL_PM_H__ */
  64