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

   1/* SPDX-License-Identifier: MIT */
   2/*
   3 * Copyright © 2019 Intel Corporation
   4 */
   5
   6#ifndef __INTEL_PSR_H__
   7#define __INTEL_PSR_H__
   8
   9#include "intel_frontbuffer.h"
  10
  11struct drm_connector;
  12struct drm_connector_state;
  13struct drm_i915_private;
  14struct intel_crtc_state;
  15struct intel_dp;
  16
  17#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
  18void intel_psr_init_dpcd(struct intel_dp *intel_dp);
  19void intel_psr_enable(struct intel_dp *intel_dp,
  20                      const struct intel_crtc_state *crtc_state,
  21                      const struct drm_connector_state *conn_state);
  22void intel_psr_disable(struct intel_dp *intel_dp,
  23                       const struct intel_crtc_state *old_crtc_state);
  24void intel_psr_update(struct intel_dp *intel_dp,
  25                      const struct intel_crtc_state *crtc_state,
  26                      const struct drm_connector_state *conn_state);
  27int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
  28void intel_psr_invalidate(struct drm_i915_private *dev_priv,
  29                          unsigned frontbuffer_bits,
  30                          enum fb_op_origin origin);
  31void intel_psr_flush(struct drm_i915_private *dev_priv,
  32                     unsigned frontbuffer_bits,
  33                     enum fb_op_origin origin);
  34void intel_psr_init(struct drm_i915_private *dev_priv);
  35void intel_psr_compute_config(struct intel_dp *intel_dp,
  36                              struct intel_crtc_state *crtc_state);
  37void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
  38void intel_psr_short_pulse(struct intel_dp *intel_dp);
  39int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
  40                            u32 *out_value);
  41bool intel_psr_enabled(struct intel_dp *intel_dp);
  42void intel_psr_atomic_check(struct drm_connector *connector,
  43                            struct drm_connector_state *old_state,
  44                            struct drm_connector_state *new_state);
  45void intel_psr_set_force_mode_changed(struct intel_dp *intel_dp);
  46
  47#endif /* __INTEL_PSR_H__ */
  48