drivers/gpu/drm/i915/display/intel_fbc.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_FBC_H__
   7 #define __INTEL_FBC_H__
   8
   9 #include <linux/types.h>
  10
  11 enum fb_op_origin;
  12 struct drm_i915_private;
  13 struct intel_atomic_state;
  14 struct intel_crtc;
  15 struct intel_crtc_state;
  16 struct intel_display;
  17 struct intel_fbc;
  18 struct intel_plane;
  19 struct intel_plane_state;
  20
  21 enum intel_fbc_id {
  22         INTEL_FBC_A,
  23         INTEL_FBC_B,
  24         INTEL_FBC_C,
  25         INTEL_FBC_D,
  26
  27         I915_MAX_FBCS,
  28 };
  29
  30 int intel_fbc_atomic_check(struct intel_atomic_state *state);
  31 bool intel_fbc_pre_update(struct intel_atomic_state *state,
  32                           struct intel_crtc *crtc);
  33 void intel_fbc_post_update(struct intel_atomic_state *state,
  34                            struct intel_crtc *crtc);
  35 void intel_fbc_init(struct intel_display *display);
  36 void intel_fbc_cleanup(struct intel_display *display);
  37 void intel_fbc_sanitize(struct intel_display *display);
  38 void intel_fbc_update(struct intel_atomic_state *state,
  39                       struct intel_crtc *crtc);
  40 void intel_fbc_disable(struct intel_crtc *crtc);
  41 void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
  42                           unsigned int frontbuffer_bits,
  43                           enum fb_op_origin origin);
  44 void intel_fbc_flush(struct drm_i915_private *dev_priv,
  45                      unsigned int frontbuffer_bits, enum fb_op_origin origin);
  46 void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane);
  47 void intel_fbc_handle_fifo_underrun_irq(struct intel_display *display);
  48 void intel_fbc_reset_underrun(struct intel_display *display);
  49 void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc);
  50 void intel_fbc_debugfs_register(struct intel_display *display);
  51
  52 #endif /* __INTEL_FBC_H__ */