intel_link_bw.h

 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 link_dsc_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