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
|
From 1b55edc08e16d146f22ad95deecb2063c60d967f Mon Sep 17 00:00:00 2001
From: David Francis <David.Francis@amd.com>
Date: Tue, 26 Jun 2018 14:58:15 -0400
Subject: [PATCH 4935/5725] drm/amd/display: Add CRC support for DCN
[Why]
Regamma/CTM tests require CRC support
[How]
The CRC registers that were used in DCE exist under different
names in DCN. The code was copied from DCE (in
dc/dce110/dce110_timing_generator.c) into DCN, and changed to
use the DCN register access helper functions.
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 68 +++++++++++++++++++++++
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h | 49 +++++++++++++++-
2 files changed, 114 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
index e6a3ade..411f892 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -1324,6 +1324,72 @@ bool optc1_is_optc_underflow_occurred(struct timing_generator *optc)
return (underflow_occurred == 1);
}
+bool optc1_configure_crc(struct timing_generator *optc,
+ const struct crc_params *params)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+ /* Cannot configure crc on a CRTC that is disabled */
+ if (!optc1_is_tg_enabled(optc))
+ return false;
+
+ REG_WRITE(OTG_CRC_CNTL, 0);
+
+ if (!params->enable)
+ return true;
+
+ /* Program frame boundaries */
+ /* Window A x axis start and end. */
+ REG_UPDATE_2(OTG_CRC0_WINDOWA_X_CONTROL,
+ OTG_CRC0_WINDOWA_X_START, params->windowa_x_start,
+ OTG_CRC0_WINDOWA_X_END, params->windowa_x_end);
+
+ /* Window A y axis start and end. */
+ REG_UPDATE_2(OTG_CRC0_WINDOWA_Y_CONTROL,
+ OTG_CRC0_WINDOWA_Y_START, params->windowa_y_start,
+ OTG_CRC0_WINDOWA_Y_END, params->windowa_y_end);
+
+ /* Window B x axis start and end. */
+ REG_UPDATE_2(OTG_CRC0_WINDOWB_X_CONTROL,
+ OTG_CRC0_WINDOWB_X_START, params->windowb_x_start,
+ OTG_CRC0_WINDOWB_X_END, params->windowb_x_end);
+
+ /* Window B y axis start and end. */
+ REG_UPDATE_2(OTG_CRC0_WINDOWB_Y_CONTROL,
+ OTG_CRC0_WINDOWB_Y_START, params->windowb_y_start,
+ OTG_CRC0_WINDOWB_Y_END, params->windowb_y_end);
+
+ /* Set crc mode and selection, and enable. Only using CRC0*/
+ REG_UPDATE_3(OTG_CRC_CNTL,
+ OTG_CRC_CONT_EN, params->continuous_mode ? 1 : 0,
+ OTG_CRC0_SELECT, params->selection,
+ OTG_CRC_EN, 1);
+
+ return true;
+}
+
+bool optc1_get_crc(struct timing_generator *optc,
+ uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb)
+{
+ uint32_t field = 0;
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+ REG_GET(OTG_CRC_CNTL, OTG_CRC_EN, &field);
+
+ /* Early return if CRC is not enabled for this CRTC */
+ if (!field)
+ return false;
+
+ REG_GET_2(OTG_CRC0_DATA_RG,
+ CRC0_R_CR, r_cr,
+ CRC0_G_Y, g_y);
+
+ REG_GET(OTG_CRC0_DATA_B,
+ CRC0_B_CB, b_cb);
+
+ return true;
+}
+
static const struct timing_generator_funcs dcn10_tg_funcs = {
.validate_timing = optc1_validate_timing,
.program_timing = optc1_program_timing,
@@ -1360,6 +1426,8 @@ static const struct timing_generator_funcs dcn10_tg_funcs = {
.is_tg_enabled = optc1_is_tg_enabled,
.is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
.clear_optc_underflow = optc1_clear_optc_underflow,
+ .get_crc = optc1_get_crc,
+ .configure_crc = optc1_configure_crc,
};
void dcn10_timing_generator_init(struct optc *optc1)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
index 59ed272..1df510f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
@@ -75,7 +75,14 @@
SRI(CONTROL, VTG, inst),\
SRI(OTG_VERT_SYNC_CONTROL, OTG, inst),\
SRI(OTG_MASTER_UPDATE_MODE, OTG, inst),\
- SRI(OTG_GSL_CONTROL, OTG, inst)
+ SRI(OTG_GSL_CONTROL, OTG, inst),\
+ SRI(OTG_CRC_CNTL, OTG, inst),\
+ SRI(OTG_CRC0_DATA_RG, OTG, inst),\
+ SRI(OTG_CRC0_DATA_B, OTG, inst),\
+ SRI(OTG_CRC0_WINDOWA_X_CONTROL, OTG, inst),\
+ SRI(OTG_CRC0_WINDOWA_Y_CONTROL, OTG, inst),\
+ SRI(OTG_CRC0_WINDOWB_X_CONTROL, OTG, inst),\
+ SRI(OTG_CRC0_WINDOWB_Y_CONTROL, OTG, inst)
#define TG_COMMON_REG_LIST_DCN1_0(inst) \
TG_COMMON_REG_LIST_DCN(inst),\
@@ -138,6 +145,13 @@ struct dcn_optc_registers {
uint32_t OTG_GSL_WINDOW_X;
uint32_t OTG_GSL_WINDOW_Y;
uint32_t OTG_VUPDATE_KEEPOUT;
+ uint32_t OTG_CRC_CNTL;
+ uint32_t OTG_CRC0_DATA_RG;
+ uint32_t OTG_CRC0_DATA_B;
+ uint32_t OTG_CRC0_WINDOWA_X_CONTROL;
+ uint32_t OTG_CRC0_WINDOWA_Y_CONTROL;
+ uint32_t OTG_CRC0_WINDOWB_X_CONTROL;
+ uint32_t OTG_CRC0_WINDOWB_Y_CONTROL;
};
#define TG_COMMON_MASK_SH_LIST_DCN(mask_sh)\
@@ -232,7 +246,21 @@ struct dcn_optc_registers {
SF(OTG0_OTG_GSL_CONTROL, OTG_GSL2_EN, mask_sh),\
SF(OTG0_OTG_GSL_CONTROL, OTG_GSL_MASTER_EN, mask_sh),\
SF(OTG0_OTG_GSL_CONTROL, OTG_GSL_FORCE_DELAY, mask_sh),\
- SF(OTG0_OTG_GSL_CONTROL, OTG_GSL_CHECK_ALL_FIELDS, mask_sh)
+ SF(OTG0_OTG_GSL_CONTROL, OTG_GSL_CHECK_ALL_FIELDS, mask_sh),\
+ SF(OTG0_OTG_CRC_CNTL, OTG_CRC_CONT_EN, mask_sh),\
+ SF(OTG0_OTG_CRC_CNTL, OTG_CRC0_SELECT, mask_sh),\
+ SF(OTG0_OTG_CRC_CNTL, OTG_CRC_EN, mask_sh),\
+ SF(OTG0_OTG_CRC0_DATA_RG, CRC0_R_CR, mask_sh),\
+ SF(OTG0_OTG_CRC0_DATA_RG, CRC0_G_Y, mask_sh),\
+ SF(OTG0_OTG_CRC0_DATA_B, CRC0_B_CB, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWA_X_CONTROL, OTG_CRC0_WINDOWA_X_START, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWA_X_CONTROL, OTG_CRC0_WINDOWA_X_END, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWA_Y_CONTROL, OTG_CRC0_WINDOWA_Y_START, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWA_Y_CONTROL, OTG_CRC0_WINDOWA_Y_END, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWB_X_CONTROL, OTG_CRC0_WINDOWB_X_START, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWB_X_CONTROL, OTG_CRC0_WINDOWB_X_END, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWB_Y_CONTROL, OTG_CRC0_WINDOWB_Y_START, mask_sh),\
+ SF(OTG0_OTG_CRC0_WINDOWB_Y_CONTROL, OTG_CRC0_WINDOWB_Y_END, mask_sh)
#define TG_COMMON_MASK_SH_LIST_DCN1_0(mask_sh)\
@@ -363,7 +391,22 @@ struct dcn_optc_registers {
type OTG_MASTER_UPDATE_LOCK_GSL_EN;\
type MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET;\
type MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET;\
- type OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN;
+ type OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN;\
+ type OTG_CRC_CONT_EN;\
+ type OTG_CRC0_SELECT;\
+ type OTG_CRC_EN;\
+ type CRC0_R_CR;\
+ type CRC0_G_Y;\
+ type CRC0_B_CB;\
+ type OTG_CRC0_WINDOWA_X_START;\
+ type OTG_CRC0_WINDOWA_X_END;\
+ type OTG_CRC0_WINDOWA_Y_START;\
+ type OTG_CRC0_WINDOWA_Y_END;\
+ type OTG_CRC0_WINDOWB_X_START;\
+ type OTG_CRC0_WINDOWB_X_END;\
+ type OTG_CRC0_WINDOWB_Y_START;\
+ type OTG_CRC0_WINDOWB_Y_END;
+
#define TG_REG_FIELD_LIST(type) \
TG_REG_FIELD_LIST_DCN1_0(type)
--
2.7.4
|
