cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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intel_psr.h (2356B)


      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 <linux/types.h>
     10
     11enum fb_op_origin;
     12struct drm_connector;
     13struct drm_connector_state;
     14struct drm_i915_private;
     15struct intel_atomic_state;
     16struct intel_crtc;
     17struct intel_crtc_state;
     18struct intel_dp;
     19struct intel_encoder;
     20struct intel_plane;
     21struct intel_plane_state;
     22
     23void intel_psr_init_dpcd(struct intel_dp *intel_dp);
     24void intel_psr_pre_plane_update(struct intel_atomic_state *state,
     25				struct intel_crtc *crtc);
     26void intel_psr_post_plane_update(const struct intel_atomic_state *state);
     27void intel_psr_disable(struct intel_dp *intel_dp,
     28		       const struct intel_crtc_state *old_crtc_state);
     29int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
     30void intel_psr_invalidate(struct drm_i915_private *dev_priv,
     31			  unsigned frontbuffer_bits,
     32			  enum fb_op_origin origin);
     33void intel_psr_flush(struct drm_i915_private *dev_priv,
     34		     unsigned frontbuffer_bits,
     35		     enum fb_op_origin origin);
     36void intel_psr_init(struct intel_dp *intel_dp);
     37void intel_psr_compute_config(struct intel_dp *intel_dp,
     38			      struct intel_crtc_state *crtc_state,
     39			      struct drm_connector_state *conn_state);
     40void intel_psr_get_config(struct intel_encoder *encoder,
     41			  struct intel_crtc_state *pipe_config);
     42void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir);
     43void intel_psr_short_pulse(struct intel_dp *intel_dp);
     44void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state);
     45bool intel_psr_enabled(struct intel_dp *intel_dp);
     46int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
     47				struct intel_crtc *crtc);
     48void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state);
     49void 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);
     53void intel_psr2_disable_plane_sel_fetch(struct intel_plane *plane,
     54					const struct intel_crtc_state *crtc_state);
     55void intel_psr_pause(struct intel_dp *intel_dp);
     56void intel_psr_resume(struct intel_dp *intel_dp);
     57
     58void intel_psr_lock(const struct intel_crtc_state *crtc_state);
     59void intel_psr_unlock(const struct intel_crtc_state *crtc_state);
     60
     61#endif /* __INTEL_PSR_H__ */