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 struct intel_plane_state; 19 struct intel_plane; 20 21 #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support) 22 void intel_psr_init_dpcd(struct intel_dp *intel_dp); 23 void intel_psr_enable(struct intel_dp *intel_dp, 24 const struct intel_crtc_state *crtc_state, 25 const struct drm_connector_state *conn_state); 26 void intel_psr_disable(struct intel_dp *intel_dp, 27 const struct intel_crtc_state *old_crtc_state); 28 void intel_psr_update(struct intel_dp *intel_dp, 29 const struct intel_crtc_state *crtc_state, 30 const struct drm_connector_state *conn_state); 31 int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value); 32 void intel_psr_invalidate(struct drm_i915_private *dev_priv, 33 unsigned frontbuffer_bits, 34 enum fb_op_origin origin); 35 void intel_psr_flush(struct drm_i915_private *dev_priv, 36 unsigned frontbuffer_bits, 37 enum fb_op_origin origin); 38 void intel_psr_init(struct drm_i915_private *dev_priv); 39 void intel_psr_compute_config(struct intel_dp *intel_dp, 40 struct intel_crtc_state *crtc_state); 41 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir); 42 void intel_psr_short_pulse(struct intel_dp *intel_dp); 43 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state, 44 u32 *out_value); 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 54 #endif /* __INTEL_PSR_H__ */ 55