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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
11enum fb_op_origin;
12enum pipe;
13struct intel_atomic_state;
14struct intel_crtc;
15struct intel_crtc_state;
16struct intel_display;
17struct intel_dsb;
18struct intel_fbc;
19struct intel_plane;
20struct intel_plane_state;
21
22enum intel_fbc_id {
23 INTEL_FBC_A,
24 INTEL_FBC_B,
25 INTEL_FBC_C,
26 INTEL_FBC_D,
27
28 I915_MAX_FBCS,
29};
30
31int intel_fbc_atomic_check(struct intel_atomic_state *state);
32int intel_fbc_min_cdclk(const struct intel_crtc_state *crtc_state);
33bool intel_fbc_pre_update(struct intel_atomic_state *state,
34 struct intel_crtc *crtc);
35void intel_fbc_post_update(struct intel_atomic_state *state,
36 struct intel_crtc *crtc);
37void intel_fbc_init(struct intel_display *display);
38void intel_fbc_cleanup(struct intel_display *display);
39void intel_fbc_sanitize(struct intel_display *display);
40void intel_fbc_update(struct intel_atomic_state *state,
41 struct intel_crtc *crtc);
42void intel_fbc_disable(struct intel_crtc *crtc);
43void intel_fbc_invalidate(struct intel_display *display,
44 unsigned int frontbuffer_bits,
45 enum fb_op_origin origin);
46void intel_fbc_flush(struct intel_display *display,
47 unsigned int frontbuffer_bits, enum fb_op_origin origin);
48void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane);
49void intel_fbc_handle_fifo_underrun_irq(struct intel_display *display);
50void intel_fbc_read_underrun_dbg_info(struct intel_display *display,
51 enum pipe, bool log);
52void intel_fbc_reset_underrun(struct intel_display *display);
53void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc);
54void intel_fbc_debugfs_register(struct intel_display *display);
55void intel_fbc_prepare_dirty_rect(struct intel_atomic_state *state,
56 struct intel_crtc *crtc);
57void intel_fbc_dirty_rect_update_noarm(struct intel_dsb *dsb,
58 struct intel_plane *plane);
59bool intel_fbc_need_pixel_normalizer(const struct intel_plane_state *plane_state);
60
61#endif /* __INTEL_FBC_H__ */