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
21 * @r_pipe: software pipe description of the second pipe
22 * @pipe_cfg: software pipe configuration
23 * @r_pipe_cfg: software pipe configuration for the second pipe
24 * @stage: assigned by crtc blender
25 * @needs_qos_remap: qos remap settings need to be updated
26 * @multirect_index: index of the rectangle of SSPP
27 * @multirect_mode: parallel or time multiplex multirect mode
28 * @pending: whether the current update is still pending
29 * @plane_fetch_bw: calculated BW per plane
30 * @plane_clk: calculated clk per plane
31 * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed
32 * @layout: framebuffer memory layout
33 */
34 struct dpu_plane_state {
35 struct drm_plane_state base;
36 struct dpu_sw_pipe pipe;
37 struct dpu_sw_pipe r_pipe;
38 struct dpu_sw_pipe_cfg pipe_cfg;
39 struct dpu_sw_pipe_cfg r_pipe_cfg;
40 enum dpu_stage stage;
41 bool needs_qos_remap;
42 bool pending;
43
44 u64 plane_fetch_bw;
45 u64 plane_clk;
46
47 bool needs_dirtyfb;
48
49 struct dpu_hw_fmt_layout layout;
50 };
51
52 #define to_dpu_plane_state(x) \
53 container_of(x, struct dpu_plane_state, base)
54
55 void dpu_plane_flush(struct drm_plane *plane);
56
57 void dpu_plane_set_error(struct drm_plane *plane, bool error);
58
59 struct drm_plane *dpu_plane_init(struct drm_device *dev,
60 uint32_t pipe, enum drm_plane_type type,
61 unsigned long possible_crtcs);
62
63 struct drm_plane *dpu_plane_init_virtual(struct drm_device *dev,
64 enum drm_plane_type type,
65 unsigned long possible_crtcs);
66
67 int dpu_plane_color_fill(struct drm_plane *plane,
68 uint32_t color, uint32_t alpha);
69
70 #ifdef CONFIG_DEBUG_FS
71 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable);
72 #else
dpu_plane_danger_signal_ctrl(struct drm_plane * plane,bool enable)73 static inline void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) {}
74 #endif
75
76 int dpu_assign_plane_resources(struct dpu_global_state *global_state,
77 struct drm_atomic_state *state,
78 struct drm_crtc *crtc,
79 struct drm_plane_state **states,
80 unsigned int num_planes);
81
82 #endif /* _DPU_PLANE_H_ */
83