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From 7d9bb56bda9b8157be16a50620821ffc2134d2c5 Mon Sep 17 00:00:00 2001
From: Mikita Lipski <mikita.lipski@amd.com>
Date: Fri, 27 Apr 2018 09:09:52 -0400
Subject: [PATCH 4478/5725] drm/amd/display: Clear connector's edid pointer
Clear connector's edid pointer on coonnector update, when unplugging
the display.
Fix poison EDID when hotplugging on previously used connector.
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index b37005e..a796d56 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -907,6 +907,7 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
drm_mode_connector_update_edid_property(connector, NULL);
aconnector->num_modes = 0;
aconnector->dc_sink = NULL;
+ aconnector->edid = NULL;
}
mutex_unlock(&dev->mode_config.mutex);
--
2.7.4
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