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 struct intel_crtc;
  17 struct intel_atomic_state;
  18 struct intel_plane_state;
  19 struct intel_plane;
  20
  21 #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
  22 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
  23 void intel_psr_enable(struct intel_dp *intel_dp,
  24                       const struct intel_crtc_state *crtc_state,
  25                       const struct drm_connector_state *conn_state);
  26 void intel_psr_disable(struct intel_dp *intel_dp,
  27                        const struct intel_crtc_state *old_crtc_state);
  28 void intel_psr_update(struct intel_dp *intel_dp,
  29                       const struct intel_crtc_state *crtc_state,
  30                       const struct drm_connector_state *conn_state);
  31 int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
  32 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
  33                           unsigned frontbuffer_bits,
  34                           enum fb_op_origin origin);
  35 void intel_psr_flush(struct drm_i915_private *dev_priv,
  36                      unsigned frontbuffer_bits,
  37                      enum fb_op_origin origin);
  38 void intel_psr_init(struct drm_i915_private *dev_priv);
  39 void intel_psr_compute_config(struct intel_dp *intel_dp,
  40                               struct intel_crtc_state *crtc_state);
  41 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
  42 void intel_psr_short_pulse(struct intel_dp *intel_dp);
  43 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
  44                             u32 *out_value);
  45 bool intel_psr_enabled(struct intel_dp *intel_dp);
  46 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
  47                                 struct intel_crtc *crtc);
  48 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state);
  49 void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
  50                                         const struct intel_crtc_state *crtc_state,
  51                                         const struct intel_plane_state *plane_state,
  52                                         int color_plane);
  53
  54 #endif /* __INTEL_PSR_H__ */