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
198
199
200
201
202
203
204
205
206
207
|
From fbcf6e7ad774bd6a1f3895a9eae0c4e6150f28a2 Mon Sep 17 00:00:00 2001
From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Wed, 2 Oct 2019 14:04:54 -0400
Subject: [PATCH 4175/4736] drm/amd/display: add REFCYC_PER_TRIP_TO_MEMORY
programming
it allows us to do urgent latency programming
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
---
.../drm/amd/display/dc/dcn20/dcn20_resource.c | 16 ++++++++
.../drm/amd/display/dc/dcn21/dcn21_hubbub.c | 39 +++++++++++++++++--
.../drm/amd/display/dc/dcn21/dcn21_hubbub.h | 17 ++++++++
.../gpu/drm/amd/display/dc/inc/hw/mem_input.h | 1 +
4 files changed, 69 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 2796c84db740..58678b679661 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2606,6 +2606,10 @@ void dcn20_calculate_wm(
context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+ context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+ context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#endif
if (vlevel < 2) {
pipes[0].clks_cfg.voltage = 2;
@@ -2617,6 +2621,10 @@ void dcn20_calculate_wm(
context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+ context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+ context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#endif
if (vlevel < 3) {
pipes[0].clks_cfg.voltage = 3;
@@ -2628,6 +2636,10 @@ void dcn20_calculate_wm(
context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+ context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+ context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#endif
pipes[0].clks_cfg.voltage = vlevel;
pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].dcfclk_mhz;
@@ -2637,6 +2649,10 @@ void dcn20_calculate_wm(
context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+ context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+ context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+#endif
}
void dcn20_calculate_dlg_params(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
index d1266741763b..8e7e79f44272 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
@@ -97,7 +97,7 @@ void dcn21_dchvm_init(struct hubbub *hubbub)
REG_WAIT(DCHVM_RIOMMU_STAT0, HOSTVM_PREFETCH_DONE, 1, 5, 100);
}
-static int hubbub21_init_dchub(struct hubbub *hubbub,
+int hubbub21_init_dchub(struct hubbub *hubbub,
struct dcn_hubbub_phys_addr_config *pa_config)
{
struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub);
@@ -120,7 +120,7 @@ static int hubbub21_init_dchub(struct hubbub *hubbub,
return NUM_VMID;
}
-static void hubbub21_program_urgent_watermarks(
+void hubbub21_program_urgent_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
@@ -160,6 +160,13 @@ static void hubbub21_program_urgent_watermarks(
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, 0,
DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, watermarks->a.frac_urg_bw_nom);
}
+ if (safe_to_lower || watermarks->a.urgent_latency_ns > hubbub1->watermarks.a.urgent_latency_ns) {
+ hubbub1->watermarks.a.urgent_latency_ns = watermarks->a.urgent_latency_ns;
+ prog_wm_value = convert_and_clamp(watermarks->a.urgent_latency_ns,
+ refclk_mhz, 0x1fffff);
+ REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, 0,
+ DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, prog_wm_value);
+ }
/* clock state B */
if (safe_to_lower || watermarks->b.urgent_ns > hubbub1->watermarks.b.urgent_ns) {
@@ -192,6 +199,14 @@ static void hubbub21_program_urgent_watermarks(
DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, watermarks->a.frac_urg_bw_nom);
}
+ if (safe_to_lower || watermarks->b.urgent_latency_ns > hubbub1->watermarks.b.urgent_latency_ns) {
+ hubbub1->watermarks.b.urgent_latency_ns = watermarks->b.urgent_latency_ns;
+ prog_wm_value = convert_and_clamp(watermarks->b.urgent_latency_ns,
+ refclk_mhz, 0x1fffff);
+ REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, 0,
+ DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, prog_wm_value);
+ }
+
/* clock state C */
if (safe_to_lower || watermarks->c.urgent_ns > hubbub1->watermarks.c.urgent_ns) {
hubbub1->watermarks.c.urgent_ns = watermarks->c.urgent_ns;
@@ -223,6 +238,14 @@ static void hubbub21_program_urgent_watermarks(
DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, watermarks->a.frac_urg_bw_nom);
}
+ if (safe_to_lower || watermarks->c.urgent_latency_ns > hubbub1->watermarks.c.urgent_latency_ns) {
+ hubbub1->watermarks.c.urgent_latency_ns = watermarks->c.urgent_latency_ns;
+ prog_wm_value = convert_and_clamp(watermarks->c.urgent_latency_ns,
+ refclk_mhz, 0x1fffff);
+ REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, 0,
+ DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, prog_wm_value);
+ }
+
/* clock state D */
if (safe_to_lower || watermarks->d.urgent_ns > hubbub1->watermarks.d.urgent_ns) {
hubbub1->watermarks.d.urgent_ns = watermarks->d.urgent_ns;
@@ -253,9 +276,17 @@ static void hubbub21_program_urgent_watermarks(
REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, 0,
DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, watermarks->a.frac_urg_bw_nom);
}
+
+ if (safe_to_lower || watermarks->d.urgent_latency_ns > hubbub1->watermarks.d.urgent_latency_ns) {
+ hubbub1->watermarks.d.urgent_latency_ns = watermarks->d.urgent_latency_ns;
+ prog_wm_value = convert_and_clamp(watermarks->d.urgent_latency_ns,
+ refclk_mhz, 0x1fffff);
+ REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, 0,
+ DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, prog_wm_value);
+ }
}
-static void hubbub21_program_stutter_watermarks(
+void hubbub21_program_stutter_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
@@ -389,7 +420,7 @@ static void hubbub21_program_stutter_watermarks(
}
}
-static void hubbub21_program_pstate_watermarks(
+void hubbub21_program_pstate_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.h
index 6ff3cdb89178..698c470cc0f6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.h
@@ -114,11 +114,28 @@
HUBBUB_SF(DCN_VM_AGP_BASE, AGP_BASE, mask_sh)
void dcn21_dchvm_init(struct hubbub *hubbub);
+int hubbub21_init_dchub(struct hubbub *hubbub,
+ struct dcn_hubbub_phys_addr_config *pa_config);
void hubbub21_program_watermarks(
struct hubbub *hubbub,
struct dcn_watermark_set *watermarks,
unsigned int refclk_mhz,
bool safe_to_lower);
+void hubbub21_program_urgent_watermarks(
+ struct hubbub *hubbub,
+ struct dcn_watermark_set *watermarks,
+ unsigned int refclk_mhz,
+ bool safe_to_lower);
+void hubbub21_program_stutter_watermarks(
+ struct hubbub *hubbub,
+ struct dcn_watermark_set *watermarks,
+ unsigned int refclk_mhz,
+ bool safe_to_lower);
+void hubbub21_program_pstate_watermarks(
+ struct hubbub *hubbub,
+ struct dcn_watermark_set *watermarks,
+ unsigned int refclk_mhz,
+ bool safe_to_lower);
void hubbub21_wm_read_state(struct hubbub *hubbub,
struct dcn_hubbub_wm *wm);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h b/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h
index e8668388581b..67b610d6d91f 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h
@@ -43,6 +43,7 @@ struct dcn_watermarks {
#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
uint32_t frac_urg_bw_nom;
uint32_t frac_urg_bw_flip;
+ int32_t urgent_latency_ns;
#endif
struct cstate_pstate_watermarks_st cstate_pstate;
};
--
2.17.1
|
