drivers/gpu/drm/i915/display/intel_psr.h

   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
  11 struct drm_connector;
  12 struct drm_connector_state;
  13 struct drm_i915_private;
  14 struct intel_crtc_state;
  15 struct intel_dp;
  16
  17 #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
  18 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
  19 void intel_psr_enable(struct intel_dp *intel_dp,
  20                       const struct intel_crtc_state *crtc_state);
  21 void intel_psr_disable(struct intel_dp *intel_dp,
  22                        const struct intel_crtc_state *old_crtc_state);
  23 void intel_psr_update(struct intel_dp *intel_dp,
  24                       const struct intel_crtc_state *crtc_state);
  25 int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
  26 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
  27                           unsigned frontbuffer_bits,
  28                           enum fb_op_origin origin);
  29 void intel_psr_flush(struct drm_i915_private *dev_priv,
  30                      unsigned frontbuffer_bits,
  31                      enum fb_op_origin origin);
  32 void intel_psr_init(struct drm_i915_private *dev_priv);
  33 void intel_psr_compute_config(struct intel_dp *intel_dp,
  34                               struct intel_crtc_state *crtc_state);
  35 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
  36 void intel_psr_short_pulse(struct intel_dp *intel_dp);
  37 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
  38                             u32 *out_value);
  39 bool intel_psr_enabled(struct intel_dp *intel_dp);
  40 void intel_psr_atomic_check(struct drm_connector *connector,
  41                             struct drm_connector_state *old_state,
  42                             struct drm_connector_state *new_state);
  43
  44 #endif /* __INTEL_PSR_H__ */