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 19 #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support) 20 void intel_psr_init_dpcd(struct intel_dp *intel_dp); 21 void intel_psr_enable(struct intel_dp *intel_dp, 22 const struct intel_crtc_state *crtc_state, 23 const struct drm_connector_state *conn_state); 24 void intel_psr_disable(struct intel_dp *intel_dp, 25 const struct intel_crtc_state *old_crtc_state); 26 void intel_psr_update(struct intel_dp *intel_dp, 27 const struct intel_crtc_state *crtc_state, 28 const struct drm_connector_state *conn_state); 29 int intel_psr_debug_set(struct drm_i915_private *dev_priv, 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 drm_i915_private *dev_priv); 37 void intel_psr_compute_config(struct intel_dp *intel_dp, 38 struct intel_crtc_state *crtc_state); 39 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir); 40 void intel_psr_short_pulse(struct intel_dp *intel_dp); 41 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state, 42 u32 *out_value); 43 bool intel_psr_enabled(struct intel_dp *intel_dp); 44 void intel_psr_atomic_check(struct drm_connector *connector, 45 struct drm_connector_state *old_state, 46 struct drm_connector_state *new_state); 47 void intel_psr_set_force_mode_changed(struct intel_dp *intel_dp); 48 void intel_psr2_sel_fetch_update(struct intel_atomic_state *state, 49 struct intel_crtc *crtc); 50 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state); 51 52 #endif /* __INTEL_PSR_H__ */ 53