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From 89132ecfd25256cf80ec2502825a9c81baf8c6be Mon Sep 17 00:00:00 2001
From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com>
Date: Tue, 17 Apr 2018 15:24:49 -0400
Subject: [PATCH 4171/5725] drm/amd/display: Update MST edid property every
time
Extended fix to: "Don't read EDID in atomic_check"
Fix display property not observed in GUI display after hot plug.
Call drm_mode_connector_update_edid_property every time in
.get_modes hook, due to the fact that edid property is getting
removed from usermode ioctl DRM_IOCTL_MODE_GETCONNECTOR each time
in hot unplug.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index d30dc0c..e57f690 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -264,11 +264,11 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
if (aconnector->dc_sink)
amdgpu_dm_update_freesync_caps(
connector, edid);
-
- drm_mode_connector_update_edid_property(
- &aconnector->base, edid);
}
+ drm_mode_connector_update_edid_property(
+ &aconnector->base, aconnector->edid);
+
ret = dm_connector_update_modes(connector, aconnector->edid);
return ret;
--
2.7.4
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