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drm/amd/display: Clear connector's edid pointer

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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
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mikita Lipski 2018-04-27 09:09:52 -04:00 committed by Alex Deucher
parent 9fcab85c58
commit 5326c4525d
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -911,6 +911,7 @@ 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);