blob: 3a850fb8fa6b10ba3f287f10d472893b1db31e3f (
plain)
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
|
From 38299755094bc06fc77c04e2b8b47f8bb570d59d Mon Sep 17 00:00:00 2001
From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Wed, 21 Jun 2017 09:35:35 -0400
Subject: [PATCH 0536/4131] drm/amd/display: make variable latency into a
regkey option
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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/calcs/dcn_calcs.c | 11 ++++++++---
drivers/gpu/drm/amd/display/dc/dc.h | 2 ++
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 9cb0836..3ec702f 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -906,11 +906,16 @@ bool dcn_validate_bandwidth(
scaler_settings_calculation(v);
mode_support_and_system_configuration(v);
- if (v->voltage_level == 0) {
+ if (v->voltage_level == 0 &&
+ (dc->public.debug.sr_exit_time_dpm0_ns
+ || dc->public.debug.sr_enter_plus_exit_time_dpm0_ns)) {
struct core_dc *dc_core = DC_TO_CORE(&dc->public);
- v->sr_enter_plus_exit_time = 9.466f;
- v->sr_exit_time = 7.849f;
+ if (dc->public.debug.sr_enter_plus_exit_time_dpm0_ns)
+ v->sr_enter_plus_exit_time =
+ dc->public.debug.sr_enter_plus_exit_time_dpm0_ns / 1000.0f;
+ if (dc->public.debug.sr_exit_time_dpm0_ns)
+ v->sr_exit_time = dc->public.debug.sr_exit_time_dpm0_ns / 1000.0f;
dc_core->dml.soc.sr_enter_plus_exit_time_us = v->sr_enter_plus_exit_time;
dc_core->dml.soc.sr_exit_time_us = v->sr_exit_time;
mode_support_and_system_configuration(v);
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 62493c4..cb70b6d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -171,6 +171,8 @@ struct dc_debug {
bool disable_pplib_wm_range;
bool use_dml_wm;
bool disable_pipe_split;
+ int sr_exit_time_dpm0_ns;
+ int sr_enter_plus_exit_time_dpm0_ns;
int sr_exit_time_ns;
int sr_enter_plus_exit_time_ns;
int urgent_latency_ns;
--
2.7.4
|
