blob: c5f05af794c6fbfa6734765d0a699a5f6f0887fb (
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
|
From 70287c9f363d22e89da26b59af14b61fe0c60029 Mon Sep 17 00:00:00 2001
From: Martin Tsai <martin.tsai@amd.com>
Date: Thu, 1 Feb 2018 20:03:17 +0800
Subject: [PATCH 3550/4131] drm/amd/display: add monitor patch for delay after
DP receive power up
Signed-off-by: Martin Tsai <martin.tsai@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/core/dc_link.c | 6 ++++++
drivers/gpu/drm/amd/display/dc/dc_types.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 02e1c3b..9ede0f8 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1260,6 +1260,12 @@ static enum dc_status enable_link_dp(
pipe_ctx->clock_source->id,
&link_settings);
+ if (stream->sink->edid_caps.panel_patch.dppowerup_delay > 0) {
+ int delay_dp_power_up_in_ms = stream->sink->edid_caps.panel_patch.dppowerup_delay;
+
+ msleep(delay_dp_power_up_in_ms);
+ }
+
panel_mode = dp_get_panel_mode(link);
dpcd_configure_panel_mode(link, panel_mode);
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index fbbe92f..aa5b90e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -195,6 +195,7 @@ union display_content_support {
struct dc_panel_patch {
unsigned int disconnect_delay;
+ unsigned int dppowerup_delay;
};
struct dc_edid_caps {
--
2.7.4
|
