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 enum pipe; 13 struct intel_atomic_state; 14 struct intel_crtc; 15 struct intel_crtc_state; 16 struct intel_display; 17 struct intel_dsb; 18 struct intel_fbc; 19 struct intel_plane; 20 struct intel_plane_state; 21 22 enum 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 31 int intel_fbc_atomic_check(struct intel_atomic_state *state); 32 int intel_fbc_min_cdclk(const struct intel_crtc_state *crtc_state); 33 bool intel_fbc_pre_update(struct intel_atomic_state *state, 34 struct intel_crtc *crtc); 35 void intel_fbc_post_update(struct intel_atomic_state *state, 36 struct intel_crtc *crtc); 37 void intel_fbc_init(struct intel_display *display); 38 void intel_fbc_cleanup(struct intel_display *display); 39 void intel_fbc_sanitize(struct intel_display *display); 40 void intel_fbc_update(struct intel_atomic_state *state, 41 struct intel_crtc *crtc); 42 void intel_fbc_disable(struct intel_crtc *crtc); 43 void intel_fbc_invalidate(struct intel_display *display, 44 unsigned int frontbuffer_bits, 45 enum fb_op_origin origin); 46 void intel_fbc_flush(struct intel_display *display, 47 unsigned int frontbuffer_bits, enum fb_op_origin origin); 48 void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane); 49 void intel_fbc_handle_fifo_underrun_irq(struct intel_display *display); 50 void intel_fbc_read_underrun_dbg_info(struct intel_display *display, 51 enum pipe, bool log); 52 void intel_fbc_reset_underrun(struct intel_display *display); 53 void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc); 54 void intel_fbc_debugfs_register(struct intel_display *display); 55 void intel_fbc_prepare_dirty_rect(struct intel_atomic_state *state, 56 struct intel_crtc *crtc); 57 void intel_fbc_dirty_rect_update_noarm(struct intel_dsb *dsb, 58 struct intel_plane *plane); 59 bool intel_fbc_need_pixel_normalizer(const struct intel_plane_state *plane_state); 60 61 #endif /* __INTEL_FBC_H__ */ 62