1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
// SPDX-License-Identifier: MIT
#include <linux/module.h>
#include <drm/display/drm_hdmi_helper.h>
#include <drm/drm_connector.h>
#include <drm/drm_edid.h>
#include <drm/drm_modes.h>
#include <drm/drm_print.h>
#include <drm/drm_property.h>
static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
{
return sink_eotf & BIT(output_eotf);
}
/**
* drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
* HDR metadata from userspace
* @frame: HDMI DRM infoframe
* @conn_state: Connector state containing HDR metadata
*
* Return: 0 on success or a negative error code on failure.
*/
int drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
const struct drm_connector_state *conn_state)
{
struct drm_connector *connector;
struct hdr_output_metadata *hdr_metadata;
int err;
if (!frame || !conn_state)
return -EINVAL;
connector = conn_state->connector;
if (!conn_state->hdr_output_metadata)
return -EINVAL;
hdr_metadata = conn_state->hdr_output_metadata->data;
if (!hdr_metadata || !connector)
return -EINVAL;
/* Sink EOTF is Bit map while infoframe is absolute values */
if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
connector->hdr_sink_metadata.hdmi_type1.eotf))
DRM_DEBUG_KMS("Unknown EOTF %d\n", hdr_metadata->hdmi_metadata_type1.eotf);
err = hdmi_drm_infoframe_init(frame);
if (err < 0)
return err;
frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
BUILD_BUG_ON(sizeof(frame->display_primaries) !=
sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
BUILD_BUG_ON(sizeof(frame->white_point) !=
sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
memcpy(&frame->display_primaries,
&hdr_metadata->hdmi_metadata_type1.display_primaries,
sizeof(frame->display_primaries));
memcpy(&frame->white_point,
&hdr_metadata->hdmi_metadata_type1.white_point,
sizeof(frame->white_point));
frame->max_display_mastering_luminance =
hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
frame->min_display_mastering_luminance =
hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
return 0;
}
EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
/* HDMI Colorspace Spec Definitions */
#define FULL_COLORIMETRY_MASK 0x1FF
#define NORMAL_COLORIMETRY_MASK 0x3
#define EXTENDED_COLORIMETRY_MASK 0x7
#define EXTENDED_ACE_COLORIMETRY_MASK 0xF
#define C(x) ((x) << 0)
#define EC(x) ((x) << 2)
#define ACE(x) ((x) << 5)
#define HDMI_COLORIMETRY_NO_DATA 0x0
#define HDMI_COLORIMETRY_SMPTE_170M_YCC (C(1) | EC(0) | ACE(0))
#define HDMI_COLORIMETRY_BT709_YCC (C(2) | EC(0) | ACE(0))
#define HDMI_COLORIMETRY_XVYCC_601 (C(3) | EC(0) | ACE(0))
#define HDMI_COLORIMETRY_XVYCC_709 (C(3) | EC(1) | ACE(0))
#define HDMI_COLORIMETRY_SYCC_601 (C(3) | EC(2) | ACE(0))
#define HDMI_COLORIMETRY_OPYCC_601 (C(3) | EC(3) | ACE(0))
#define HDMI_COLORIMETRY_OPRGB (C(3) | EC(4) | ACE(0))
#define HDMI_COLORIMETRY_BT2020_CYCC (C(3) | EC(5) | ACE(0))
#define HDMI_COLORIMETRY_BT2020_RGB (C(3) | EC(6) | ACE(0))
#define HDMI_COLORIMETRY_BT2020_YCC (C(3) | EC(6) | ACE(0))
#define HDMI_COLORIMETRY_DCI_P3_RGB_D65 (C(3) | EC(7) | ACE(0))
#define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER (C(3) | EC(7) | ACE(1))
static const u32 hdmi_colorimetry_val[] = {
[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
};
#undef C
#undef EC
#undef ACE
/**
* drm_hdmi_avi_infoframe_colorimetry() - fill the HDMI AVI infoframe
* colorimetry information
* @frame: HDMI AVI infoframe
* @conn_state: connector state
*/
void drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
const struct drm_connector_state *conn_state)
{
u32 colorimetry_val;
u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
else
colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
/*
* ToDo: Extend it for ACE formats as well. Modify the infoframe
* structure and extend it in drivers/video/hdmi
*/
frame->extended_colorimetry = (colorimetry_val >> 2) &
EXTENDED_COLORIMETRY_MASK;
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorimetry);
/**
* drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
* bar information
* @frame: HDMI AVI infoframe
* @conn_state: connector state
*/
void drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
const struct drm_connector_state *conn_state)
{
frame->right_bar = conn_state->tv.margins.right;
frame->left_bar = conn_state->tv.margins.left;
frame->top_bar = conn_state->tv.margins.top;
frame->bottom_bar = conn_state->tv.margins.bottom;
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
/**
* drm_hdmi_avi_infoframe_content_type() - fill the HDMI AVI infoframe
* content type information, based
* on correspondent DRM property.
* @frame: HDMI AVI infoframe
* @conn_state: DRM display connector state
*
*/
void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
const struct drm_connector_state *conn_state)
{
switch (conn_state->content_type) {
case DRM_MODE_CONTENT_TYPE_GRAPHICS:
frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
break;
case DRM_MODE_CONTENT_TYPE_CINEMA:
frame->content_type = HDMI_CONTENT_TYPE_CINEMA;
break;
case DRM_MODE_CONTENT_TYPE_GAME:
frame->content_type = HDMI_CONTENT_TYPE_GAME;
break;
case DRM_MODE_CONTENT_TYPE_PHOTO:
frame->content_type = HDMI_CONTENT_TYPE_PHOTO;
break;
default:
/* Graphics is the default(0) */
frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
}
frame->itc = conn_state->content_type != DRM_MODE_CONTENT_TYPE_NO_DATA;
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_content_type);
|
