drivers/gpu/drm/i915/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_i915_private;
  12 struct intel_crtc_state;
  13 struct intel_dp;
  14
  15 #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
  16 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
  17 void intel_psr_enable(struct intel_dp *intel_dp,
  18                       const struct intel_crtc_state *crtc_state);
  19 void intel_psr_disable(struct intel_dp *intel_dp,
  20                        const struct intel_crtc_state *old_crtc_state);
  21 void intel_psr_update(struct intel_dp *intel_dp,
  22                       const struct intel_crtc_state *crtc_state);
  23 int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
  24 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
  25                           unsigned frontbuffer_bits,
  26                           enum fb_op_origin origin);
  27 void intel_psr_flush(struct drm_i915_private *dev_priv,
  28                      unsigned frontbuffer_bits,
  29                      enum fb_op_origin origin);
  30 void intel_psr_init(struct drm_i915_private *dev_priv);
  31 void intel_psr_compute_config(struct intel_dp *intel_dp,
  32                               struct intel_crtc_state *crtc_state);
  33 void intel_psr_irq_control(struct drm_i915_private *dev_priv, u32 debug);
  34 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
  35 void intel_psr_short_pulse(struct intel_dp *intel_dp);
  36 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
  37                             u32 *out_value);
  38 bool intel_psr_enabled(struct intel_dp *intel_dp);
  39
  40 #endif /* __INTEL_PSR_H__ */