dpu_plane.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
 4 * Copyright (C) 2013 Red Hat
 5 * Author: Rob Clark <robdclark@gmail.com>
 6 */
 7
 8#ifndef _DPU_PLANE_H_
 9#define _DPU_PLANE_H_
10
11#include <drm/drm_crtc.h>
12
13#include "dpu_kms.h"
14#include "dpu_hw_mdss.h"
15#include "dpu_hw_sspp.h"
16
17/**
18 * struct dpu_plane_state: Define dpu extension of drm plane state object
19 * @base:	base drm plane state object
20 * @pipe:	software pipe description array
21 * @pipe_cfg:	software pipe configuration array
22 * @stage:	assigned by crtc blender
23 * @needs_qos_remap: qos remap settings need to be updated
24 * @multirect_index: index of the rectangle of SSPP
25 * @multirect_mode: parallel or time multiplex multirect mode
26 * @pending:	whether the current update is still pending
27 * @plane_fetch_bw: calculated BW per plane
28 * @plane_clk: calculated clk per plane
29 * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed
30 * @layout:     framebuffer memory layout
31 */
32struct dpu_plane_state {
33	struct drm_plane_state base;
34	struct dpu_sw_pipe pipe[PIPES_PER_PLANE];
35	struct dpu_sw_pipe_cfg pipe_cfg[PIPES_PER_PLANE];
36	enum dpu_stage stage;
37	bool needs_qos_remap;
38	bool pending;
39
40	u64 plane_fetch_bw;
41	u64 plane_clk;
42
43	bool needs_dirtyfb;
44
45	struct dpu_hw_fmt_layout layout;
46};
47
48#define to_dpu_plane_state(x) \
49	container_of(x, struct dpu_plane_state, base)
50
51void dpu_plane_flush(struct drm_plane *plane);
52
53void dpu_plane_set_error(struct drm_plane *plane, bool error);
54
55struct drm_plane *dpu_plane_init(struct drm_device *dev,
56		uint32_t pipe, enum drm_plane_type type,
57		unsigned long possible_crtcs);
58
59struct drm_plane *dpu_plane_init_virtual(struct drm_device *dev,
60					 enum drm_plane_type type,
61					 unsigned long possible_crtcs);
62
63int dpu_plane_color_fill(struct drm_plane *plane,
64		uint32_t color, uint32_t alpha);
65
66#ifdef CONFIG_DEBUG_FS
67void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable);
68#else
69static inline void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) {}
70#endif
71
72int dpu_assign_plane_resources(struct dpu_global_state *global_state,
73			       struct drm_atomic_state *state,
74			       struct drm_crtc *crtc,
75			       struct drm_plane_state **states,
76			       unsigned int num_planes);
77
78#endif /* _DPU_PLANE_H_ */