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 <linux/types.h>
  10
  11 enum fb_op_origin;
  12 struct drm_connector;
  13 struct drm_connector_state;
  14 struct drm_i915_private;
  15 struct intel_atomic_state;
  16 struct intel_connector;
  17 struct intel_crtc;
  18 struct intel_crtc_state;
  19 struct intel_dp;
  20 struct intel_encoder;
  21 struct intel_plane;
  22 struct intel_plane_state;
  23
  24 #define CAN_PANEL_REPLAY(intel_dp) ((intel_dp)->psr.sink_panel_replay_support && \
  25                                     (intel_dp)->psr.source_panel_replay_support)
  26
  27 bool intel_encoder_can_psr(struct intel_encoder *encoder);
  28 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
  29 void intel_psr_enable_sink(struct intel_dp *intel_dp,
  30                            const struct intel_crtc_state *crtc_state);
  31 void intel_psr_pre_plane_update(struct intel_atomic_state *state,
  32                                 struct intel_crtc *crtc);
  33 void intel_psr_post_plane_update(struct intel_atomic_state *state,
  34                                  struct intel_crtc *crtc);
  35 void intel_psr_disable(struct intel_dp *intel_dp,
  36                        const struct intel_crtc_state *old_crtc_state);
  37 int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
  38 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
  39                           unsigned frontbuffer_bits,
  40                           enum fb_op_origin origin);
  41 void intel_psr_flush(struct drm_i915_private *dev_priv,
  42                      unsigned frontbuffer_bits,
  43                      enum fb_op_origin origin);
  44 void intel_psr_init(struct intel_dp *intel_dp);
  45 void intel_psr_compute_config(struct intel_dp *intel_dp,
  46                               struct intel_crtc_state *crtc_state,
  47                               struct drm_connector_state *conn_state);
  48 void intel_psr_get_config(struct intel_encoder *encoder,
  49                           struct intel_crtc_state *pipe_config);
  50 void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir);
  51 void intel_psr_short_pulse(struct intel_dp *intel_dp);
  52 void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state);
  53 bool intel_psr_enabled(struct intel_dp *intel_dp);
  54 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
  55                                 struct intel_crtc *crtc);
  56 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state);
  57 void intel_psr_pause(struct intel_dp *intel_dp);
  58 void intel_psr_resume(struct intel_dp *intel_dp);
  59
  60 void intel_psr_lock(const struct intel_crtc_state *crtc_state);
  61 void intel_psr_unlock(const struct intel_crtc_state *crtc_state);
  62 void intel_psr_connector_debugfs_add(struct intel_connector *connector);
  63 void intel_psr_debugfs_register(struct drm_i915_private *i915);
  64
  65 #endif /* __INTEL_PSR_H__ */