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_handler(struct drm_i915_private *dev_priv, u32 psr_iir); 34 void intel_psr_short_pulse(struct intel_dp *intel_dp); 35 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state, 36 u32 *out_value); 37 bool intel_psr_enabled(struct intel_dp *intel_dp); 38 39 #endif /* __INTEL_PSR_H__ */ 40