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 17 #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support) 18 void intel_psr_init_dpcd(struct intel_dp *intel_dp); 19 void intel_psr_enable(struct intel_dp *intel_dp, 20 const struct intel_crtc_state *crtc_state); 21 void intel_psr_disable(struct intel_dp *intel_dp, 22 const struct intel_crtc_state *old_crtc_state); 23 void intel_psr_update(struct intel_dp *intel_dp, 24 const struct intel_crtc_state *crtc_state); 25 int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value); 26 void intel_psr_invalidate(struct drm_i915_private *dev_priv, 27 unsigned frontbuffer_bits, 28 enum fb_op_origin origin); 29 void intel_psr_flush(struct drm_i915_private *dev_priv, 30 unsigned frontbuffer_bits, 31 enum fb_op_origin origin); 32 void intel_psr_init(struct drm_i915_private *dev_priv); 33 void intel_psr_compute_config(struct intel_dp *intel_dp, 34 struct intel_crtc_state *crtc_state); 35 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir); 36 void intel_psr_short_pulse(struct intel_dp *intel_dp); 37 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state, 38 u32 *out_value); 39 bool intel_psr_enabled(struct intel_dp *intel_dp); 40 void intel_psr_atomic_check(struct drm_connector *connector, 41 struct drm_connector_state *old_state, 42 struct drm_connector_state *new_state); 43 44 #endif /* __INTEL_PSR_H__ */ 45