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_crtc;
  17 struct intel_crtc_state;
  18 struct intel_dp;
  19 struct intel_encoder;
  20 struct intel_plane;
  21 struct intel_plane_state;
  22
  23 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
  24 void intel_psr_pre_plane_update(struct intel_atomic_state *state,
  25                                 struct intel_crtc *crtc);
  26 void intel_psr_post_plane_update(const struct intel_atomic_state *state);
  27 void intel_psr_disable(struct intel_dp *intel_dp,
  28                        const struct intel_crtc_state *old_crtc_state);
  29 int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
  30 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
  31                           unsigned frontbuffer_bits,
  32                           enum fb_op_origin origin);
  33 void intel_psr_flush(struct drm_i915_private *dev_priv,
  34                      unsigned frontbuffer_bits,
  35                      enum fb_op_origin origin);
  36 void intel_psr_init(struct intel_dp *intel_dp);
  37 void intel_psr_compute_config(struct intel_dp *intel_dp,
  38                               struct intel_crtc_state *crtc_state,
  39                               struct drm_connector_state *conn_state);
  40 void intel_psr_get_config(struct intel_encoder *encoder,
  41                           struct intel_crtc_state *pipe_config);
  42 void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir);
  43 void intel_psr_short_pulse(struct intel_dp *intel_dp);
  44 void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state);
  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 void intel_psr2_disable_plane_sel_fetch(struct intel_plane *plane,
  54                                         const struct intel_crtc_state *crtc_state);
  55 void intel_psr_pause(struct intel_dp *intel_dp);
  56 void intel_psr_resume(struct intel_dp *intel_dp);
  57
  58 void intel_psr_lock(const struct intel_crtc_state *crtc_state);
  59 void intel_psr_unlock(const struct intel_crtc_state *crtc_state);
  60
  61 #endif /* __INTEL_PSR_H__ */