1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2023 Intel Corporation
4 */
5
6#ifndef __INTEL_LINK_BW_H__
7#define __INTEL_LINK_BW_H__
8
9#include <linux/types.h>
10
11#include "intel_display_limits.h"
12
13struct intel_atomic_state;
14struct intel_connector;
15struct intel_crtc_state;
16
17struct intel_link_bw_limits {
18 u8 force_fec_pipes;
19 u8 bpp_limit_reached_pipes;
20 /* in 1/16 bpp units */
21 int max_bpp_x16[I915_MAX_PIPES];
22};
23
24void intel_link_bw_init_limits(struct intel_atomic_state *state,
25 struct intel_link_bw_limits *limits);
26int intel_link_bw_reduce_bpp(struct intel_atomic_state *state,
27 struct intel_link_bw_limits *limits,
28 u8 pipe_mask,
29 const char *reason);
30bool intel_link_bw_compute_pipe_bpp(struct intel_crtc_state *crtc_state);
31bool intel_link_bw_set_bpp_limit_for_pipe(struct intel_atomic_state *state,
32 const struct intel_link_bw_limits *old_limits,
33 struct intel_link_bw_limits *new_limits,
34 enum pipe pipe);
35int intel_link_bw_atomic_check(struct intel_atomic_state *state,
36 struct intel_link_bw_limits *new_limits);
37void intel_link_bw_connector_debugfs_add(struct intel_connector *connector);
38
39#endif
40