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From 416309b1822c3635b330f4aeafa46e1476429dd5 Mon Sep 17 00:00:00 2001
From: John Barberiz <jbarberi@amd.com>
Date: Mon, 15 Jan 2018 18:30:22 -0500
Subject: [PATCH 3269/4131] drm/amd/display: Add temporary delay on disconnect
patch
- Sequencing bug of not resetting delay on disconnect to default values
Signed-off-by: John Barberiz <jbarberi@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 ++
1 file changed, 2 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 c7e159a..420bc2d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -700,6 +700,8 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
if (sink->edid_caps.panel_patch.disconnect_delay > 0 &&
SIGNAL_TYPE_HDMI_TYPE_A)
program_hpd_filter(link, sink->edid_caps.panel_patch.disconnect_delay);
+ else
+ program_hpd_filter(link, DEFAULT_DELAY_DISCONNECT);
/* HDMI-DVI Dongle */
if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A &&
--
2.7.4
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